realtek: copy config/files/patches to 5.10
authorINAGAKI Hiroshi <musashino.open@gmail.com>
Wed, 5 May 2021 00:32:27 +0000 (09:32 +0900)
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>
Sat, 25 Sep 2021 22:32:17 +0000 (00:32 +0200)
this patch copies the following files from 5.4 to 5.10:

- config-5.4   -> config-5.10
- files-5.4/   -> files-5.10/
- patches-5.4/ -> patches-5.10/

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
[rebase on change in files-5.4]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
42 files changed:
target/linux/realtek/config-5.10 [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/ioremap.h [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/irq.h [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/mach-rtl83xx.h [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/rtl838x/Makefile [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/rtl838x/Platform [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/rtl838x/irq.c [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c [new file with mode: 0644]
target/linux/realtek/files-5.10/arch/mips/rtl838x/setup.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/clocksource/timer-rtl9300.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl8231.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl838x.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-nor.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-spi.h [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Kconfig [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Makefile [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/debugfs.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/qos.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl83xx.h [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl930x.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl931x.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.h [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c [new file with mode: 0644]
target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.h [new file with mode: 0644]
target/linux/realtek/patches-5.10/300-mips-add-rtl838x-platform.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/301-gpio-add-rtl838x-driver.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/302-clocksource-add-rtl9300-driver.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/400-mtd-add-rtl838x-spi-flash-driver.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/700-net-dsa-add-support-for-rtl838x-switch.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/702-net-dsa-increase-dsa-max-ports-for-rtl838x.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/702-net-ethernet-add-support-for-rtl838x-ethernet.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/703-include-linux-add-phy-ops-for-rtl838x.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/704-drivers-net-phy-eee-support-for-rtl838x.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/705-add-rtl-phy.patch [new file with mode: 0644]
target/linux/realtek/patches-5.10/705-include-linux-phy-increase-phy-address-number-for-rtl839x.patch [new file with mode: 0644]

diff --git a/target/linux/realtek/config-5.10 b/target/linux/realtek/config-5.10
new file mode 100644 (file)
index 0000000..5e29879
--- /dev/null
@@ -0,0 +1,192 @@
+CONFIG_ARCH_32BIT_OFF_T=y
+CONFIG_ARCH_CLOCKSOURCE_DATA=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_MMAP_RND_BITS_MAX=15
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_CEVT_R4K=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_HAVE_CLK=y
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_COMMON_CLK=y
+CONFIG_COMMON_CLK_BOSTON=y
+CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
+CONFIG_CPU_BIG_ENDIAN=y
+CONFIG_CPU_GENERIC_DUMP_TLB=y
+CONFIG_CPU_HAS_LOAD_STORE_LR=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_RIXI=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_MIPS32=y
+# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R2=y
+CONFIG_CPU_MIPSR2=y
+CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
+CONFIG_CPU_R4K_CACHE_TLB=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CPU_SUPPORTS_MSA=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CSRC_R4K=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_DMA_NONCOHERENT_CACHE_SYNC=y
+CONFIG_DTC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_EARLY_PRINTK_8250=y
+CONFIG_EFI_EARLYCON=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
+CONFIG_EXTRA_FIRMWARE="rtl838x_phy/rtl838x_8214fc.fw rtl838x_phy/rtl838x_8218b.fw rtl838x_phy/rtl838x_8380.fw"
+CONFIG_EXTRA_FIRMWARE_DIR="firmware"
+CONFIG_FIXED_PHY=y
+CONFIG_FONT_8x16=y
+CONFIG_FONT_AUTOSELECT=y
+CONFIG_FONT_SUPPORT=y
+CONFIG_FW_LOADER_PAGED_BUF=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_CPU_AUTOPROBE=y
+CONFIG_GENERIC_GETTIMEOFDAY=y
+CONFIG_GENERIC_IOMAP=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_LIB_ASHLDI3=y
+CONFIG_GENERIC_LIB_ASHRDI3=y
+CONFIG_GENERIC_LIB_CMPDI2=y
+CONFIG_GENERIC_LIB_LSHRDI3=y
+CONFIG_GENERIC_LIB_UCMPDI2=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_PHY=y
+CONFIG_GENERIC_PINCONF=y
+CONFIG_GENERIC_PINCTRL_GROUPS=y
+CONFIG_GENERIC_PINMUX_FUNCTIONS=y
+CONFIG_GENERIC_SCHED_CLOCK=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_RTL8231=y
+CONFIG_GPIO_RTL838X=y
+CONFIG_REALTEK_SOC_PHY=y
+CONFIG_GRO_CELLS=y
+CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDWARE_WATCHPOINTS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_HWMON=y
+CONFIG_HZ_PERIODIC=y
+CONFIG_I2C=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_GPIO=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_MIPS_CPU=y
+CONFIG_IRQ_WORK=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LIBFDT=y
+CONFIG_LOCK_DEBUGGING_SUPPORT=y
+CONFIG_MARVELL_PHY=y
+CONFIG_MDIO_BUS=y
+CONFIG_MDIO_DEVICE=y
+CONFIG_MDIO_I2C=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_MFD_SYSCON=y
+CONFIG_MIGRATION=y
+CONFIG_MIPS=y
+CONFIG_MIPS_ASID_BITS=8
+CONFIG_MIPS_ASID_SHIFT=0
+CONFIG_MIPS_CBPF_JIT=y
+CONFIG_MIPS_CLOCK_VSYSCALL=y
+# CONFIG_MIPS_CMDLINE_DTB_EXTEND is not set
+# CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER is not set
+CONFIG_MIPS_CMDLINE_FROM_DTB=y
+# CONFIG_MIPS_ELF_APPENDED_DTB is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_NO_APPENDED_DTB is not set
+CONFIG_MIPS_RAW_APPENDED_DTB=y
+CONFIG_MIPS_SPRAM=y
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPLIT_BRNIMAGE_FW=y
+CONFIG_MTD_SPLIT_EVA_FW=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_SPLIT_TPLINK_FW=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NET_DEVLINK=y
+CONFIG_NET_DSA=y
+CONFIG_NET_DSA_RTL83XX=y
+CONFIG_NET_DSA_TAG_TRAILER=y
+CONFIG_NET_RTL838X=y
+CONFIG_NET_SWITCHDEV=y
+CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
+CONFIG_NVMEM=y
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=y
+CONFIG_OF_EARLY_FLATTREE=y
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_GPIO=y
+CONFIG_OF_IRQ=y
+CONFIG_OF_KOBJ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_NET=y
+CONFIG_PCI_DRIVERS_LEGACY=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+CONFIG_PHYLINK=y
+CONFIG_PINCTRL=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_PSB6970_PHY=y
+CONFIG_REALTEK_PHY=y
+CONFIG_REGMAP=y
+CONFIG_REGMAP_MMIO=y
+CONFIG_RESET_CONTROLLER=y
+CONFIG_RTL838X=y
+CONFIG_RTL9300_TIMER=y
+CONFIG_SERIAL_MCTRL_GPIO=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SFP=y
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+CONFIG_SPI_MEM=y
+CONFIG_SPI_RTL838X=y
+CONFIG_SRCU=y
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_SWPHY=y
+CONFIG_SYSCTL_EXCEPTION_TRACE=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_CPU_MIPS32_R2=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
+CONFIG_SYS_SUPPORTS_MIPS16=y
+CONFIG_TARGET_ISA_REV=2
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TINY_SRCU=y
+CONFIG_USE_GENERIC_EARLY_PRINTK_8250=y
+CONFIG_USE_OF=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_ZLIB_INFLATE=y
diff --git a/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/ioremap.h b/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/ioremap.h
new file mode 100644 (file)
index 0000000..e7a5bfa
--- /dev/null
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef RTL838X_IOREMAP_H_
+#define RTL838X_IOREMAP_H_
+
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
+{
+       return phys_addr;
+}
+
+static inline int is_rtl838x_internal_registers(phys_addr_t offset)
+{
+       /* IO-Block */
+       if (offset >= 0xb8000000 && offset < 0xb9000000)
+               return 1;
+       /* Switch block */
+       if (offset >= 0xbb000000 && offset < 0xbc000000)
+               return 1;
+       return 0;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+                                        unsigned long flags)
+{
+       if (is_rtl838x_internal_registers(offset))
+               return (void __iomem *)offset;
+       return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+       return is_rtl838x_internal_registers((unsigned long)addr);
+}
+
+#endif
diff --git a/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/irq.h b/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/irq.h
new file mode 100644 (file)
index 0000000..a4e95ab
--- /dev/null
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#ifndef _RTL83XX_IRQ_H_
+#define _RTL83XX_IRQ_H_
+
+#define NR_IRQS 32
+#include_next <irq.h>
+
+/* Global Interrupt Mask Register */
+#define RTL83XX_ICTL_GIMR      0x00
+/* Global Interrupt Status Register */
+#define RTL83XX_ICTL_GISR      0x04
+
+#define RTL83XX_IRQ_CPU_BASE   0
+#define RTL83XX_IRQ_CPU_NUM    8
+#define RTL83XX_IRQ_ICTL_BASE  (RTL83XX_IRQ_CPU_BASE + RTL83XX_IRQ_CPU_NUM)
+#define RTL83XX_IRQ_ICTL_NUM   32
+
+/* Cascaded interrupts */
+#define RTL83XX_ICTL1_IRQ      (RTL83XX_IRQ_CPU_BASE + 2)
+#define RTL83XX_ICTL2_IRQ      (RTL83XX_IRQ_CPU_BASE + 3)
+#define RTL83XX_ICTL3_IRQ      (RTL83XX_IRQ_CPU_BASE + 4)
+#define RTL83XX_ICTL4_IRQ      (RTL83XX_IRQ_CPU_BASE + 5)
+#define RTL83XX_ICTL5_IRQ      (RTL83XX_IRQ_CPU_BASE + 6)
+
+/* Interrupt routing register */
+#define RTL83XX_IRR0           0x08
+#define RTL83XX_IRR1           0x0c
+#define RTL83XX_IRR2           0x10
+#define RTL83XX_IRR3           0x14
+
+/* Cascade map */
+#define UART0_CASCADE          2
+#define UART1_CASCADE          1
+#define TC0_CASCADE            5
+#define TC1_CASCADE            1
+#define TC2_CASCADE            1
+#define TC3_CASCADE            1
+#define TC4_CASCADE            1
+#define OCPTO_CASCADE          1
+#define HLXTO_CASCADE          1
+#define SLXTO_CASCADE          1
+#define NIC_CASCADE            4
+#define GPIO_ABCD_CASCADE      4
+#define GPIO_EFGH_CASCADE      4
+#define RTC_CASCADE            4
+#define        SWCORE_CASCADE          3
+#define WDT_IP1_CASCADE                4
+#define WDT_IP2_CASCADE                5
+#define USB_H2_CASCADE         1
+
+/* Pack cascade map into interrupt routing registers */
+#define RTL83XX_IRR0_SETTING (\
+       (UART0_CASCADE          << 28) | \
+       (UART1_CASCADE          << 24) | \
+       (TC0_CASCADE            << 20) | \
+       (TC1_CASCADE            << 16) | \
+       (OCPTO_CASCADE          << 12) | \
+       (HLXTO_CASCADE          << 8)  | \
+       (SLXTO_CASCADE          << 4)  | \
+       (NIC_CASCADE            << 0))
+#define RTL83XX_IRR1_SETTING (\
+       (GPIO_ABCD_CASCADE      << 28) | \
+       (GPIO_EFGH_CASCADE      << 24) | \
+       (RTC_CASCADE            << 20) | \
+       (SWCORE_CASCADE         << 16))
+#define RTL83XX_IRR2_SETTING   0
+#define RTL83XX_IRR3_SETTING   0
+
+/* On the RTL8390 there is no GPIO_EFGH and RTC IRQ */
+#define RTL8390_IRR1_SETTING (\
+       (GPIO_ABCD_CASCADE      << 28) | \
+       (SWCORE_CASCADE         << 16))
+
+/* The RTL9300 has a different external IRQ numbering scheme */
+#define RTL9300_IRR0_SETTING (\
+       (UART1_CASCADE          << 28) | \
+       (UART0_CASCADE          << 24) | \
+       (USB_H2_CASCADE         << 16) | \
+       (NIC_CASCADE            << 0))
+#define RTL9300_IRR1_SETTING (\
+       (SWCORE_CASCADE         << 28))
+#define RTL9300_IRR2_SETTING (\
+       (GPIO_ABCD_CASCADE      << 20) | \
+       (TC4_CASCADE            << 12) | \
+       (TC3_CASCADE            << 8) | \
+       (TC2_CASCADE            << 4) | \
+       (TC1_CASCADE            << 0))
+#define RTL9300_IRR3_SETTING (\
+       (TC0_CASCADE            << 28) | \
+       (WDT_IP1_CASCADE        << 20))
+
+#endif /* _RTL83XX_IRQ_H_ */
diff --git a/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/mach-rtl83xx.h b/target/linux/realtek/files-5.10/arch/mips/include/asm/mach-rtl838x/mach-rtl83xx.h
new file mode 100644 (file)
index 0000000..0abfc6f
--- /dev/null
@@ -0,0 +1,418 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2006-2012 Tony Wu (tonywu@realtek.com)
+ * Copyright (C) 2020 B. Koblitz
+ */
+#ifndef _MACH_RTL838X_H_
+#define _MACH_RTL838X_H_
+
+#include <asm/types.h>
+/*
+ * Register access macros
+ */
+
+#define RTL838X_SW_BASE                ((volatile void *) 0xBB000000)
+
+#define rtl83xx_r32(reg)       readl(reg)
+#define rtl83xx_w32(val, reg)  writel(val, reg)
+#define rtl83xx_w32_mask(clear, set, reg) rtl83xx_w32((rtl83xx_r32(reg) & ~(clear)) | (set), reg)
+
+#define rtl83xx_r8(reg)                readb(reg)
+#define rtl83xx_w8(val, reg)   writeb(val, reg)
+
+#define sw_r32(reg)            readl(RTL838X_SW_BASE + reg)
+#define sw_w32(val, reg)       writel(val, RTL838X_SW_BASE + reg)
+#define sw_w32_mask(clear, set, reg)   \
+                               sw_w32((sw_r32(reg) & ~(clear)) | (set), reg)
+#define sw_r64(reg)            ((((u64)readl(RTL838X_SW_BASE + reg)) << 32) | \
+                               readl(RTL838X_SW_BASE + reg + 4))
+
+#define sw_w64(val, reg)       do { \
+                                       writel((u32)((val) >> 32), RTL838X_SW_BASE + reg); \
+                                       writel((u32)((val) & 0xffffffff), \
+                                                       RTL838X_SW_BASE + reg + 4); \
+                               } while (0)
+
+/*
+ * SPRAM
+ */
+#define RTL838X_ISPRAM_BASE    0x0
+#define RTL838X_DSPRAM_BASE    0x0
+
+/*
+ * IRQ Controller
+ */
+#define RTL838X_IRQ_CPU_BASE   0
+#define RTL838X_IRQ_CPU_NUM    8
+#define RTL838X_IRQ_ICTL_BASE  (RTL838X_IRQ_CPU_BASE + RTL838X_IRQ_CPU_NUM)
+#define RTL838X_IRQ_ICTL_NUM   32
+
+#define RTL83XX_IRQ_UART0              31
+#define RTL83XX_IRQ_UART1              30
+#define RTL83XX_IRQ_TC0                        29
+#define RTL83XX_IRQ_TC1                        28
+#define RTL83XX_IRQ_OCPTO              27
+#define RTL83XX_IRQ_HLXTO              26
+#define RTL83XX_IRQ_SLXTO              25
+#define RTL83XX_IRQ_NIC                        24
+#define RTL83XX_IRQ_GPIO_ABCD          23
+#define RTL83XX_IRQ_GPIO_EFGH          22
+#define RTL83XX_IRQ_RTC                        21
+#define RTL83XX_IRQ_SWCORE             20
+#define RTL83XX_IRQ_WDT_IP1            19
+#define RTL83XX_IRQ_WDT_IP2            18
+
+#define RTL9300_UART1_IRQ              31
+#define RTL9300_UART0_IRQ              30
+#define RTL9300_USB_H2_IRQ             28
+#define RTL9300_NIC_IRQ                        24
+#define RTL9300_SWCORE_IRQ             23
+#define RTL9300_GPIO_ABC_IRQ           13
+#define RTL9300_TC4_IRQ                        11
+#define RTL9300_TC3_IRQ                        10
+#define RTL9300_TC2_IRQ                         9
+#define RTL9300_TC1_IRQ                         8
+#define RTL9300_TC0_IRQ                         7
+
+
+/*
+ * MIPS32R2 counter
+ */
+#define RTL838X_COMPARE_IRQ    (RTL838X_IRQ_CPU_BASE + 7)
+
+/*
+ *  ICTL
+ *  Base address 0xb8003000UL
+ */
+#define RTL838X_ICTL1_IRQ      (RTL838X_IRQ_CPU_BASE + 2)
+#define RTL838X_ICTL2_IRQ      (RTL838X_IRQ_CPU_BASE + 3)
+#define RTL838X_ICTL3_IRQ      (RTL838X_IRQ_CPU_BASE + 4)
+#define RTL838X_ICTL4_IRQ      (RTL838X_IRQ_CPU_BASE + 5)
+#define RTL838X_ICTL5_IRQ      (RTL838X_IRQ_CPU_BASE + 6)
+
+#define GIMR                   (0x00)
+#define UART0_IE               (1 << 31)
+#define UART1_IE               (1 << 30)
+#define TC0_IE                 (1 << 29)
+#define TC1_IE                 (1 << 28)
+#define OCPTO_IE               (1 << 27)
+#define HLXTO_IE               (1 << 26)
+#define SLXTO_IE               (1 << 25)
+#define NIC_IE                 (1 << 24)
+#define GPIO_ABCD_IE           (1 << 23)
+#define GPIO_EFGH_IE           (1 << 22)
+#define RTC_IE                 (1 << 21)
+#define WDT_IP1_IE             (1 << 19)
+#define WDT_IP2_IE             (1 << 18)
+
+#define GISR                   (0x04)
+#define UART0_IP               (1 << 31)
+#define UART1_IP               (1 << 30)
+#define TC0_IP                 (1 << 29)
+#define TC1_IP                 (1 << 28)
+#define OCPTO_IP               (1 << 27)
+#define HLXTO_IP               (1 << 26)
+#define SLXTO_IP               (1 << 25)
+#define NIC_IP                 (1 << 24)
+#define GPIO_ABCD_IP           (1 << 23)
+#define GPIO_EFGH_IP           (1 << 22)
+#define RTC_IP                 (1 << 21)
+#define WDT_IP1_IP             (1 << 19)
+#define WDT_IP2_IP             (1 << 18)
+
+
+/* Interrupt Routing Selection */
+#define UART0_RS               2
+#define UART1_RS               1
+#define TC0_RS                 5
+#define TC1_RS                 1
+#define OCPTO_RS               1
+#define HLXTO_RS               1
+#define SLXTO_RS               1
+#define NIC_RS                 4
+#define GPIO_ABCD_RS           4
+#define GPIO_EFGH_RS           4
+#define RTC_RS                 4
+#define        SWCORE_RS               3
+#define WDT_IP1_RS             4
+#define WDT_IP2_RS             5
+
+/* Interrupt IRQ Assignments */
+#define UART0_IRQ              31
+#define UART1_IRQ              30
+#define TC0_IRQ                        29
+#define TC1_IRQ                        28
+#define OCPTO_IRQ              27
+#define HLXTO_IRQ              26
+#define SLXTO_IRQ              25
+#define NIC_IRQ                        24
+#define GPIO_ABCD_IRQ          23
+#define GPIO_EFGH_IRQ          22
+#define RTC_IRQ                        21
+#define        SWCORE_IRQ              20
+#define WDT_IP1_IRQ            19
+#define WDT_IP2_IRQ            18
+
+#define SYSTEM_FREQ            200000000
+#define RTL838X_UART0_BASE     ((volatile void *)(0xb8002000UL))
+#define RTL838X_UART0_BAUD     38400  /* ex. 19200 or 38400 or 57600 or 115200 */
+#define RTL838X_UART0_FREQ     (SYSTEM_FREQ - RTL838X_UART0_BAUD * 24)
+#define RTL838X_UART0_MAPBASE  0x18002000UL
+#define RTL838X_UART0_MAPSIZE  0x100
+#define RTL838X_UART0_IRQ      UART0_IRQ
+
+#define RTL838X_UART1_BASE     ((volatile void *)(0xb8002100UL))
+#define RTL838X_UART1_BAUD     38400  /* ex. 19200 or 38400 or 57600 or 115200 */
+#define RTL838X_UART1_FREQ     (SYSTEM_FREQ - RTL838X_UART1_BAUD * 24)
+#define RTL838X_UART1_MAPBASE  0x18002100UL
+#define RTL838X_UART1_MAPSIZE  0x100
+#define RTL838X_UART1_IRQ      UART1_IRQ
+
+#define UART0_RBR              (RTL838X_UART0_BASE + 0x000)
+#define UART0_THR              (RTL838X_UART0_BASE + 0x000)
+#define UART0_DLL              (RTL838X_UART0_BASE + 0x000)
+#define UART0_IER              (RTL838X_UART0_BASE + 0x004)
+#define UART0_DLM              (RTL838X_UART0_BASE + 0x004)
+#define UART0_IIR              (RTL838X_UART0_BASE + 0x008)
+#define UART0_FCR              (RTL838X_UART0_BASE + 0x008)
+#define UART0_LCR              (RTL838X_UART0_BASE + 0x00C)
+#define UART0_MCR              (RTL838X_UART0_BASE + 0x010)
+#define UART0_LSR              (RTL838X_UART0_BASE + 0x014)
+
+#define UART1_RBR              (RTL838X_UART1_BASE + 0x000)
+#define UART1_THR              (RTL838X_UART1_BASE + 0x000)
+#define UART1_DLL              (RTL838X_UART1_BASE + 0x000)
+#define UART1_IER              (RTL838X_UART1_BASE + 0x004)
+#define UART1_DLM              (RTL838X_UART1_BASE + 0x004)
+#define UART1_IIR              (RTL838X_UART1_BASE + 0x008)
+#define UART1_FCR              (RTL838X_UART1_BASE + 0x008)
+#define UART1_LCR              (RTL838X_UART1_BASE + 0x00C)
+#define UART1_MCR              (RTL838X_UART1_BASE + 0x010)
+#define UART1_LSR              (RTL838X_UART1_BASE + 0x014)
+
+/*
+ * Memory Controller
+ */
+#define MC_MCR                 0xB8001000
+#define MC_MCR_VAL             0x00000000
+
+#define MC_DCR                 0xB8001004
+#define MC_DCR0_VAL            0x54480000
+
+#define MC_DTCR                        0xB8001008
+#define MC_DTCR_VAL            0xFFFF05C0
+
+/*
+ * GPIO
+ */
+#define GPIO_CTRL_REG_BASE             ((volatile void *) 0xb8003500)
+#define RTL838X_GPIO_PABC_CNR          (GPIO_CTRL_REG_BASE + 0x0)
+#define RTL838X_GPIO_PABC_TYPE         (GPIO_CTRL_REG_BASE + 0x04)
+#define RTL838X_GPIO_PABC_DIR          (GPIO_CTRL_REG_BASE + 0x8)
+#define RTL838X_GPIO_PABC_DATA         (GPIO_CTRL_REG_BASE + 0xc)
+#define RTL838X_GPIO_PABC_ISR          (GPIO_CTRL_REG_BASE + 0x10)
+#define RTL838X_GPIO_PAB_IMR           (GPIO_CTRL_REG_BASE + 0x14)
+#define RTL838X_GPIO_PC_IMR            (GPIO_CTRL_REG_BASE + 0x18)
+
+#define RTL838X_MODEL_NAME_INFO                (0x00D4)
+#define RTL839X_MODEL_NAME_INFO                (0x0FF0)
+#define RTL93XX_MODEL_NAME_INFO                (0x0004)
+
+#define RTL838X_LED_GLB_CTRL           (0xA000)
+#define RTL839X_LED_GLB_CTRL           (0x00E4)
+#define RTL9302_LED_GLB_CTRL           (0xcc00)
+#define RTL930X_LED_GLB_CTRL           (0xC400)
+#define RTL931X_LED_GLB_CTRL           (0x0600)
+
+#define RTL838X_EXT_GPIO_DIR           (0xA08C)
+#define RTL839X_EXT_GPIO_DIR           (0x0214)
+#define RTL838X_EXT_GPIO_DATA          (0xA094)
+#define RTL839X_EXT_GPIO_DATA          (0x021c)
+#define RTL838X_EXT_GPIO_INDRT_ACCESS  (0xA09C)
+#define RTL839X_EXT_GPIO_INDRT_ACCESS  (0x0224)
+#define RTL838X_EXTRA_GPIO_CTRL                (0xA0E0)
+#define RTL838X_DMY_REG5               (0x0144)
+#define RTL838X_EXTRA_GPIO_CTRL                (0xA0E0)
+
+#define RTL838X_GMII_INTF_SEL          (0x1000)
+#define RTL838X_IO_DRIVING_ABILITY_CTRL        (0x1010)
+
+#define RTL838X_GPIO_A7                31
+#define RTL838X_GPIO_A6                30
+#define RTL838X_GPIO_A5                29
+#define RTL838X_GPIO_A4                28
+#define RTL838X_GPIO_A3                27
+#define RTL838X_GPIO_A2                26
+#define RTL838X_GPIO_A1                25
+#define RTL838X_GPIO_A0                24
+#define RTL838X_GPIO_B7                23
+#define RTL838X_GPIO_B6                22
+#define RTL838X_GPIO_B5                21
+#define RTL838X_GPIO_B4                20
+#define RTL838X_GPIO_B3                19
+#define RTL838X_GPIO_B2                18
+#define RTL838X_GPIO_B1                17
+#define RTL838X_GPIO_B0                16
+#define RTL838X_GPIO_C7                15
+#define RTL838X_GPIO_C6                14
+#define RTL838X_GPIO_C5                13
+#define RTL838X_GPIO_C4                12
+#define RTL838X_GPIO_C3                11
+#define RTL838X_GPIO_C2                10
+#define RTL838X_GPIO_C1                9
+#define RTL838X_GPIO_C0                8
+
+#define RTL838X_INT_RW_CTRL            (0x0058)
+#define RTL838X_EXT_VERSION            (0x00D0)
+#define RTL838X_PLL_CML_CTRL           (0x0FF8)
+#define RTL838X_STRAP_DBG              (0x100C)
+
+/*
+ * Reset
+ */
+#define        RGCR                            (0x1E70)
+#define RTL838X_RST_GLB_CTRL_0         (0x003c)
+#define RTL838X_RST_GLB_CTRL_1         (0x0040)
+#define RTL839X_RST_GLB_CTRL           (0x0014)
+#define RTL930X_RST_GLB_CTRL_0         (0x000c)
+#define RTL931X_RST_GLB_CTRL           (0x0400)
+
+/* LED control by switch */
+#define RTL838X_LED_MODE_SEL           (0x1004)
+#define RTL838X_LED_MODE_CTRL          (0xA004)
+#define RTL838X_LED_P_EN_CTRL          (0xA008)
+
+/* LED control by software */
+#define RTL838X_LED_SW_CTRL            (0x0128)
+#define RTL839X_LED_SW_CTRL            (0xA00C)
+#define RTL838X_LED_SW_P_EN_CTRL       (0xA010)
+#define RTL839X_LED_SW_P_EN_CTRL       (0x012C)
+#define RTL838X_LED0_SW_P_EN_CTRL      (0xA010)
+#define RTL839X_LED0_SW_P_EN_CTRL      (0x012C)
+#define RTL838X_LED1_SW_P_EN_CTRL      (0xA014)
+#define RTL839X_LED1_SW_P_EN_CTRL      (0x0130)
+#define RTL838X_LED2_SW_P_EN_CTRL      (0xA018)
+#define RTL839X_LED2_SW_P_EN_CTRL      (0x0134)
+#define RTL838X_LED_SW_P_CTRL          (0xA01C)
+#define RTL839X_LED_SW_P_CTRL          (0x0144)
+
+#define RTL839X_MAC_EFUSE_CTRL         (0x02ac)
+
+/*
+ * MDIO via Realtek's SMI interface
+ */
+#define RTL838X_SMI_GLB_CTRL           (0xa100)
+#define RTL838X_SMI_ACCESS_PHY_CTRL_0  (0xa1b8)
+#define RTL838X_SMI_ACCESS_PHY_CTRL_1  (0xa1bc)
+#define RTL838X_SMI_ACCESS_PHY_CTRL_2  (0xa1c0)
+#define RTL838X_SMI_ACCESS_PHY_CTRL_3  (0xa1c4)
+#define RTL838X_SMI_PORT0_5_ADDR_CTRL  (0xa1c8)
+#define RTL838X_SMI_POLL_CTRL          (0xa17c)
+
+#define RTL839X_SMI_GLB_CTRL           (0x03f8)
+#define RTL839X_SMI_PORT_POLLING_CTRL  (0x03fc)
+#define RTL839X_PHYREG_ACCESS_CTRL     (0x03DC)
+#define RTL839X_PHYREG_CTRL            (0x03E0)
+#define RTL839X_PHYREG_PORT_CTRL       (0x03E4)
+#define RTL839X_PHYREG_DATA_CTRL       (0x03F0)
+#define RTL839X_PHYREG_MMD_CTRL                (0x3F4)
+
+#define RTL930X_SMI_GLB_CTRL           (0xCA00)
+#define RTL930X_SMI_POLL_CTRL          (0xca90)
+#define RTL930X_SMI_PORT0_15_POLLING_SEL (0xCA08)
+#define RTL930X_SMI_PORT16_27_POLLING_SEL (0xCA0C)
+#define RTL930X_SMI_PORT0_5_ADDR       (0xCB80)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_0  (0xCB70)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_1  (0xCB74)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_2  (0xCB78)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_3  (0xCB7C)
+
+#define RTL931X_SMI_GLB_CTRL1          (0x0CBC)
+#define RTL931X_SMI_GLB_CTRL0          (0x0CC0)
+#define RTL931X_SMI_PORT_POLLING_CTRL  (0x0CCC)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_0        (0x0C00)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_1        (0x0C04)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_2        (0x0C08)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_3        (0x0C10)
+#define RTL931X_SMI_INDRT_ACCESS_BC_PHYID_CTRL (0x0C14)
+#define RTL931X_SMI_INDRT_ACCESS_MMD_CTRL (0xC18)
+
+#define RTL930X_SMI_GLB_CTRL           (0xCA00)
+#define RTL930X_SMI_POLL_CTRL          (0xca90)
+#define RTL930X_SMI_PORT0_15_POLLING_SEL (0xCA08)
+#define RTL930X_SMI_PORT16_27_POLLING_SEL (0xCA0C)
+#define RTL930X_SMI_PORT0_5_ADDR       (0xCB80)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_0  (0xCB70)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_1  (0xCB74)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_2  (0xCB78)
+#define RTL930X_SMI_ACCESS_PHY_CTRL_3  (0xCB7C)
+
+#define RTL931X_SMI_GLB_CTRL1          (0x0CBC)
+#define RTL931X_SMI_GLB_CTRL0          (0x0CC0)
+#define RTL931X_SMI_PORT_POLLING_CTRL  (0x0CCC)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_0        (0x0C00)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_1        (0x0C04)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_2        (0x0C08)
+#define RTL931X_SMI_INDRT_ACCESS_CTRL_3        (0x0C10)
+
+/*
+ * Switch interrupts
+ */
+#define RTL838X_IMR_GLB                        (0x1100)
+#define RTL838X_IMR_PORT_LINK_STS_CHG  (0x1104)
+#define RTL838X_ISR_GLB_SRC            (0x1148)
+#define RTL838X_ISR_PORT_LINK_STS_CHG  (0x114C)
+
+#define RTL839X_IMR_GLB                        (0x0064)
+#define RTL839X_IMR_PORT_LINK_STS_CHG  (0x0068)
+#define RTL839X_ISR_GLB_SRC            (0x009c)
+#define RTL839X_ISR_PORT_LINK_STS_CHG  (0x00a0)
+
+#define RTL930X_IMR_GLB                        (0xC628)
+#define RTL930X_IMR_PORT_LINK_STS_CHG  (0xC62C)
+#define RTL930X_ISR_GLB                        (0xC658)
+#define RTL930X_ISR_PORT_LINK_STS_CHG  (0xC660)
+
+// IMR_GLB does not exit on RTL931X
+#define RTL931X_IMR_PORT_LINK_STS_CHG  (0x126C)
+#define RTL931X_ISR_GLB_SRC            (0x12B4)
+#define RTL931X_ISR_PORT_LINK_STS_CHG  (0x12B8)
+
+/* Definition of family IDs */
+#define RTL8389_FAMILY_ID   (0x8389)
+#define RTL8328_FAMILY_ID   (0x8328)
+#define RTL8390_FAMILY_ID   (0x8390)
+#define RTL8350_FAMILY_ID   (0x8350)
+#define RTL8380_FAMILY_ID   (0x8380)
+#define RTL8330_FAMILY_ID   (0x8330)
+#define RTL9300_FAMILY_ID   (0x9300)
+#define RTL9310_FAMILY_ID   (0x9310)
+
+/* Basic SoC Features */
+#define RTL838X_CPU_PORT                       28
+#define RTL839X_CPU_PORT                       52
+#define RTL930X_CPU_PORT                       28
+#define RTL931X_CPU_PORT                       56
+
+struct rtl83xx_soc_info {
+       unsigned char *name;
+       unsigned int id;
+       unsigned int family;
+       unsigned char *compatible;
+       volatile void *sw_base;
+       volatile void *icu_base;
+       int cpu_port;
+};
+
+/* rtl83xx-related functions used across subsystems */
+int rtl838x_smi_wait_op(int timeout);
+int rtl838x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl838x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl930x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl930x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl931x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl931x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+
+#endif   /* _MACH_RTL838X_H_ */
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/Makefile b/target/linux/realtek/files-5.10/arch/mips/rtl838x/Makefile
new file mode 100644 (file)
index 0000000..8212dc3
--- /dev/null
@@ -0,0 +1,5 @@
+#
+# Makefile for the rtl838x specific parts of the kernel
+#
+
+obj-y := setup.o prom.o irq.o
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/Platform b/target/linux/realtek/files-5.10/arch/mips/rtl838x/Platform
new file mode 100644 (file)
index 0000000..4d48932
--- /dev/null
@@ -0,0 +1,6 @@
+#
+# Realtek RTL838x SoCs
+#
+platform-$(CONFIG_RTL838X) += rtl838x/
+cflags-$(CONFIG_RTL838X)   += -I$(srctree)/arch/mips/include/asm/mach-rtl838x/
+load-$(CONFIG_RTL838X)     += 0xffffffff80000000
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/irq.c b/target/linux/realtek/files-5.10/arch/mips/rtl838x/irq.c
new file mode 100644 (file)
index 0000000..c0dd2f6
--- /dev/null
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Realtek RTL83XX architecture specific IRQ handling
+ *
+ * based on the original BSP
+ * Copyright (C) 2006-2012 Tony Wu (tonywu@realtek.com)
+ * Copyright (C) 2020 B. Koblitz
+ * Copyright (C) 2020 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2020 John Crispin <john@phrozen.org>
+ */
+
+#include <linux/irqchip.h>
+#include <linux/spinlock.h>
+#include <linux/of_address.h>
+#include <asm/irq_cpu.h>
+#include <linux/of_irq.h>
+#include <asm/cevt-r4k.h>
+
+#include <mach-rtl83xx.h>
+#include "irq.h"
+
+#define REALTEK_CPU_IRQ_SHARED0                (MIPS_CPU_IRQ_BASE + 2)
+#define REALTEK_CPU_IRQ_UART           (MIPS_CPU_IRQ_BASE + 3)
+#define REALTEK_CPU_IRQ_SWITCH         (MIPS_CPU_IRQ_BASE + 4)
+#define REALTEK_CPU_IRQ_SHARED1                (MIPS_CPU_IRQ_BASE + 5)
+#define REALTEK_CPU_IRQ_EXTERNAL       (MIPS_CPU_IRQ_BASE + 6)
+#define REALTEK_CPU_IRQ_COUNTER                (MIPS_CPU_IRQ_BASE + 7)
+
+#define REG(x)                         (rtl83xx_ictl_base + x)
+
+extern struct rtl83xx_soc_info soc_info;
+
+static DEFINE_RAW_SPINLOCK(irq_lock);
+static void __iomem *rtl83xx_ictl_base;
+
+static void rtl83xx_ictl_enable_irq(struct irq_data *i)
+{
+       unsigned long flags;
+       u32 value;
+
+       raw_spin_lock_irqsave(&irq_lock, flags);
+
+       value = rtl83xx_r32(REG(RTL83XX_ICTL_GIMR));
+       value |= BIT(i->hwirq);
+       rtl83xx_w32(value, REG(RTL83XX_ICTL_GIMR));
+
+       raw_spin_unlock_irqrestore(&irq_lock, flags);
+}
+
+static void rtl83xx_ictl_disable_irq(struct irq_data *i)
+{
+       unsigned long flags;
+       u32 value;
+
+       raw_spin_lock_irqsave(&irq_lock, flags);
+
+       value = rtl83xx_r32(REG(RTL83XX_ICTL_GIMR));
+       value &= ~BIT(i->hwirq);
+       rtl83xx_w32(value, REG(RTL83XX_ICTL_GIMR));
+
+       raw_spin_unlock_irqrestore(&irq_lock, flags);
+}
+
+static struct irq_chip rtl83xx_ictl_irq = {
+       .name = "RTL83xx",
+       .irq_enable = rtl83xx_ictl_enable_irq,
+       .irq_disable = rtl83xx_ictl_disable_irq,
+       .irq_ack = rtl83xx_ictl_disable_irq,
+       .irq_mask = rtl83xx_ictl_disable_irq,
+       .irq_unmask = rtl83xx_ictl_enable_irq,
+       .irq_eoi = rtl83xx_ictl_enable_irq,
+};
+
+static int intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
+{
+       irq_set_chip_and_handler(hw, &rtl83xx_ictl_irq, handle_level_irq);
+
+       return 0;
+}
+
+static const struct irq_domain_ops irq_domain_ops = {
+       .map = intc_map,
+       .xlate = irq_domain_xlate_onecell,
+};
+
+static void rtl838x_irq_dispatch(struct irq_desc *desc)
+{
+       unsigned int pending = rtl83xx_r32(REG(RTL83XX_ICTL_GIMR)) &
+                               rtl83xx_r32(REG(RTL83XX_ICTL_GISR));
+
+       if (pending) {
+               struct irq_domain *domain = irq_desc_get_handler_data(desc);
+               generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
+       } else {
+               spurious_interrupt();
+       }
+}
+
+asmlinkage void plat_rtl83xx_irq_dispatch(void)
+{
+       unsigned int pending;
+
+       pending =  read_c0_cause() & read_c0_status() & ST0_IM;
+
+       if (pending & CAUSEF_IP7)
+               do_IRQ(REALTEK_CPU_IRQ_COUNTER);
+
+       else if (pending & CAUSEF_IP6)
+               do_IRQ(REALTEK_CPU_IRQ_EXTERNAL);
+
+       else if (pending & CAUSEF_IP5)
+               do_IRQ(REALTEK_CPU_IRQ_SHARED1);
+
+       else if (pending & CAUSEF_IP4)
+               do_IRQ(REALTEK_CPU_IRQ_SWITCH);
+
+       else if (pending & CAUSEF_IP3)
+               do_IRQ(REALTEK_CPU_IRQ_UART);
+
+       else if (pending & CAUSEF_IP2)
+               do_IRQ(REALTEK_CPU_IRQ_SHARED0);
+
+       else
+               spurious_interrupt();
+}
+
+static int icu_setup_domain(struct device_node *node)
+{
+       struct irq_domain *domain;
+
+       domain = irq_domain_add_simple(node, 32, 0,
+                                      &irq_domain_ops, NULL);
+       irq_set_chained_handler_and_data(2, rtl838x_irq_dispatch, domain);
+       irq_set_chained_handler_and_data(3, rtl838x_irq_dispatch, domain);
+       irq_set_chained_handler_and_data(4, rtl838x_irq_dispatch, domain);
+       irq_set_chained_handler_and_data(5, rtl838x_irq_dispatch, domain);
+
+       rtl83xx_ictl_base = of_iomap(node, 0);
+       if (!rtl83xx_ictl_base)
+               return -EINVAL;
+
+       return 0;
+}
+
+static void __init rtl8380_icu_of_init(struct device_node *node, struct device_node *parent)
+{
+       if (icu_setup_domain(node))
+               return;
+
+       /* Disable all cascaded interrupts */
+       rtl83xx_w32(0, REG(RTL83XX_ICTL_GIMR));
+
+       /* Set up interrupt routing */
+       rtl83xx_w32(RTL83XX_IRR0_SETTING, REG(RTL83XX_IRR0));
+       rtl83xx_w32(RTL83XX_IRR1_SETTING, REG(RTL83XX_IRR1));
+       rtl83xx_w32(RTL83XX_IRR2_SETTING, REG(RTL83XX_IRR2));
+       rtl83xx_w32(RTL83XX_IRR3_SETTING, REG(RTL83XX_IRR3));
+
+       /* Clear timer interrupt */
+       write_c0_compare(0);
+
+       /* Enable all CPU interrupts */
+       write_c0_status(read_c0_status() | ST0_IM);
+
+       /* Enable timer0 and uart0 interrupts */
+       rtl83xx_w32(BIT(RTL83XX_IRQ_TC0) | BIT(RTL83XX_IRQ_UART0), REG(RTL83XX_ICTL_GIMR));
+}
+
+static void __init rtl8390_icu_of_init(struct device_node *node, struct device_node *parent)
+{
+       if (icu_setup_domain(node))
+               return;
+
+       /* Disable all cascaded interrupts */
+       rtl83xx_w32(0, REG(RTL83XX_ICTL_GIMR));
+
+       /* Set up interrupt routing */
+       rtl83xx_w32(RTL83XX_IRR0_SETTING, REG(RTL83XX_IRR0));
+       rtl83xx_w32(RTL8390_IRR1_SETTING, REG(RTL83XX_IRR1));
+       rtl83xx_w32(RTL83XX_IRR2_SETTING, REG(RTL83XX_IRR2));
+       rtl83xx_w32(RTL83XX_IRR3_SETTING, REG(RTL83XX_IRR3));
+
+       /* Clear timer interrupt */
+       write_c0_compare(0);
+
+       /* Enable all CPU interrupts */
+       write_c0_status(read_c0_status() | ST0_IM);
+
+       /* Enable timer0 and uart0 interrupts */
+       rtl83xx_w32(BIT(RTL83XX_IRQ_TC0) | BIT(RTL83XX_IRQ_UART0), REG(RTL83XX_ICTL_GIMR));
+}
+
+static void __init rtl9300_icu_of_init(struct device_node *node, struct device_node *parent)
+{
+       pr_info("RTL9300: Setting up IRQs\n");
+       if (icu_setup_domain(node))
+               return;
+
+       /* Disable all cascaded interrupts */
+       rtl83xx_w32(0, REG(RTL83XX_ICTL_GIMR));
+
+       /* Set up interrupt routing */
+       rtl83xx_w32(RTL9300_IRR0_SETTING, REG(RTL83XX_IRR0));
+       rtl83xx_w32(RTL9300_IRR1_SETTING, REG(RTL83XX_IRR1));
+       rtl83xx_w32(RTL9300_IRR2_SETTING, REG(RTL83XX_IRR2));
+       rtl83xx_w32(RTL9300_IRR3_SETTING, REG(RTL83XX_IRR3));
+
+       /* Clear timer interrupt */
+       write_c0_compare(0);
+
+       /* Enable all CPU interrupts */
+       write_c0_status(read_c0_status() | ST0_IM);
+}
+
+static struct of_device_id __initdata of_irq_ids[] = {
+       { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_irq_of_init },
+       { .compatible = "realtek,rt8380-intc", .data = rtl8380_icu_of_init },
+       { .compatible = "realtek,rt8390-intc", .data = rtl8390_icu_of_init },
+       { .compatible = "realtek,rt9300-intc", .data = rtl9300_icu_of_init },
+       {},
+};
+
+void __init arch_init_irq(void)
+{
+       of_irq_init(of_irq_ids);
+}
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c b/target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c
new file mode 100644 (file)
index 0000000..3390c04
--- /dev/null
@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * prom.c
+ * Early intialization code for the Realtek RTL838X SoC
+ *
+ * based on the original BSP by
+ * Copyright (C) 2006-2012 Tony Wu (tonywu@realtek.com)
+ * Copyright (C) 2020 B. Koblitz
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/of_fdt.h>
+#include <linux/libfdt.h>
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+#include <asm/page.h>
+#include <asm/cpu.h>
+
+#include <mach-rtl83xx.h>
+
+extern char arcs_cmdline[];
+extern const char __appended_dtb;
+
+struct rtl83xx_soc_info soc_info;
+const void *fdt;
+
+const char *get_system_type(void)
+{
+       return soc_info.name;
+}
+
+void __init prom_free_prom_memory(void)
+{
+
+}
+
+void __init device_tree_init(void)
+{
+       if (!fdt_check_header(&__appended_dtb)) {
+               fdt = &__appended_dtb;
+               pr_info("Using appended Device Tree.\n");
+       }
+       initial_boot_params = (void *)fdt;
+       unflatten_and_copy_device_tree();
+}
+
+static void __init prom_init_cmdline(void)
+{
+       int argc = fw_arg0;
+       char **argv = (char **) KSEG1ADDR(fw_arg1);
+       int i;
+
+       arcs_cmdline[0] = '\0';
+
+       for (i = 0; i < argc; i++) {
+               char *p = (char *) KSEG1ADDR(argv[i]);
+
+               if (CPHYSADDR(p) && *p) {
+                       strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+                       strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+               }
+       }
+       pr_info("Kernel command line: %s\n", arcs_cmdline);
+}
+
+void __init identify_rtl9302(void)
+{
+       switch (sw_r32(RTL93XX_MODEL_NAME_INFO) & 0xfffffff0) {
+       case 0x93020810:
+               soc_info.name = "RTL9302A 12x2.5G";
+               break;
+       case 0x93021010:
+               soc_info.name = "RTL9302B 8x2.5G";
+               break;
+       case 0x93021810:
+               soc_info.name = "RTL9302C 16x2.5G";
+               break;
+       case 0x93022010:
+               soc_info.name = "RTL9302D 24x2.5G";
+               break;
+       case 0x93020800:
+               soc_info.name = "RTL9302A";
+               break;
+       case 0x93021000:
+               soc_info.name = "RTL9302B";
+               break;
+       case 0x93021800:
+               soc_info.name = "RTL9302C";
+               break;
+       case 0x93022000:
+               soc_info.name = "RTL9302D";
+               break;
+       case 0x93023001:
+               soc_info.name = "RTL9302F";
+               break;
+       default:
+               soc_info.name = "RTL9302";
+       }
+}
+
+void __init prom_init(void)
+{
+       uint32_t model;
+
+       /* uart0 */
+       setup_8250_early_printk_port(0xb8002000, 2, 0);
+
+       model = sw_r32(RTL838X_MODEL_NAME_INFO);
+       pr_info("RTL838X model is %x\n", model);
+       model = model >> 16 & 0xFFFF;
+
+       if ((model != 0x8328) && (model != 0x8330) && (model != 0x8332)
+           && (model != 0x8380) && (model != 0x8382)) {
+               model = sw_r32(RTL839X_MODEL_NAME_INFO);
+               pr_info("RTL839X model is %x\n", model);
+               model = model >> 16 & 0xFFFF;
+       }
+
+       if ((model & 0x8390) != 0x8380 && (model & 0x8390) != 0x8390) {
+               model = sw_r32(RTL93XX_MODEL_NAME_INFO);
+               pr_info("RTL93XX model is %x\n", model);
+               model = model >> 16 & 0xFFFF;
+       }
+
+       soc_info.id = model;
+
+       switch (model) {
+       case 0x8328:
+               soc_info.name = "RTL8328";
+               soc_info.family = RTL8328_FAMILY_ID;
+               break;
+       case 0x8332:
+               soc_info.name = "RTL8332";
+               soc_info.family = RTL8380_FAMILY_ID;
+               break;
+       case 0x8380:
+               soc_info.name = "RTL8380";
+               soc_info.family = RTL8380_FAMILY_ID;
+               break;
+       case 0x8382:
+               soc_info.name = "RTL8382";
+               soc_info.family = RTL8380_FAMILY_ID;
+               break;
+       case 0x8390:
+               soc_info.name = "RTL8390";
+               soc_info.family = RTL8390_FAMILY_ID;
+               break;
+       case 0x8391:
+               soc_info.name = "RTL8391";
+               soc_info.family = RTL8390_FAMILY_ID;
+               break;
+       case 0x8392:
+               soc_info.name = "RTL8392";
+               soc_info.family = RTL8390_FAMILY_ID;
+               break;
+       case 0x8393:
+               soc_info.name = "RTL8393";
+               soc_info.family = RTL8390_FAMILY_ID;
+               break;
+       case 0x9301:
+               soc_info.name = "RTL9301";
+               soc_info.family = RTL9300_FAMILY_ID;
+               break;
+       case 0x9302:
+               identify_rtl9302();
+               soc_info.family = RTL9300_FAMILY_ID;
+               break;
+       case 0x9313:
+               soc_info.name = "RTL9313";
+               soc_info.family = RTL9310_FAMILY_ID;
+               break;
+       default:
+               soc_info.name = "DEFAULT";
+               soc_info.family = 0;
+       }
+
+       pr_info("SoC Type: %s\n", get_system_type());
+
+       prom_init_cmdline();
+}
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/setup.c b/target/linux/realtek/files-5.10/arch/mips/rtl838x/setup.c
new file mode 100644 (file)
index 0000000..ef97d48
--- /dev/null
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Setup for the Realtek RTL838X SoC:
+ *     Memory, Timer and Serial
+ *
+ * Copyright (C) 2020 B. Koblitz
+ * based on the original BSP by
+ * Copyright (C) 2006-2012 Tony Wu (tonywu@realtek.com)
+ *
+ */
+
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/of_fdt.h>
+
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/prom.h>
+#include <asm/smp-ops.h>
+
+#include "mach-rtl83xx.h"
+
+extern struct rtl83xx_soc_info soc_info;
+
+u32 pll_reset_value;
+
+static void rtl838x_restart(char *command)
+{
+       u32 pll = sw_r32(RTL838X_PLL_CML_CTRL);
+
+       pr_info("System restart.\n");
+       pr_info("PLL control register: %x, applying reset value %x\n",
+               pll, pll_reset_value);
+
+       sw_w32(3, RTL838X_INT_RW_CTRL);
+       sw_w32(pll_reset_value, RTL838X_PLL_CML_CTRL);
+       sw_w32(0, RTL838X_INT_RW_CTRL);
+
+       /* Reset Global Control1 Register */
+       sw_w32(1, RTL838X_RST_GLB_CTRL_1);
+}
+
+static void rtl839x_restart(char *command)
+{
+       /* SoC reset vector (in flash memory): on RTL839x platform preferred way to reset */
+       void (*f)(void) = (void *) 0xbfc00000;
+
+       pr_info("System restart.\n");
+       /* Reset SoC */
+       sw_w32(0xFFFFFFFF, RTL839X_RST_GLB_CTRL);
+       /* and call reset vector */
+       f();
+       /* If this fails, halt the CPU */
+       while
+               (1);
+}
+
+static void rtl930x_restart(char *command)
+{
+       pr_info("System restart.\n");
+       sw_w32(0x1, RTL930X_RST_GLB_CTRL_0);
+       while
+               (1);
+}
+
+static void rtl931x_restart(char *command)
+{
+       u32 v;
+
+       pr_info("System restart.\n");
+       sw_w32(1, RTL931X_RST_GLB_CTRL);
+       v = sw_r32(RTL931X_RST_GLB_CTRL);
+       sw_w32(0x101, RTL931X_RST_GLB_CTRL);
+       msleep(15);
+       sw_w32(v, RTL931X_RST_GLB_CTRL);
+       msleep(15);
+       sw_w32(0x101, RTL931X_RST_GLB_CTRL);
+}
+
+static void rtl838x_halt(void)
+{
+       pr_info("System halted.\n");
+       while
+               (1);
+}
+
+static void __init rtl838x_setup(void)
+{
+       pr_info("Registering _machine_restart\n");
+       _machine_restart = rtl838x_restart;
+       _machine_halt = rtl838x_halt;
+
+       /* This PLL value needs to be restored before a reset and will then be
+        * preserved over a SoC reset. A wrong value prevents the SoC from
+        * connecting to the SPI flash controller at boot and reading the
+        * reset routine */
+       pll_reset_value = sw_r32(RTL838X_PLL_CML_CTRL);
+
+       /* Setup System LED. Bit 15 then allows to toggle it */
+       sw_w32_mask(0, 3 << 16, RTL838X_LED_GLB_CTRL);
+}
+
+static void __init rtl839x_setup(void)
+{
+       pr_info("Registering _machine_restart\n");
+       _machine_restart = rtl839x_restart;
+       _machine_halt = rtl838x_halt;
+
+       /* Setup System LED. Bit 14 of RTL839X_LED_GLB_CTRL then allows to toggle it */
+       sw_w32_mask(0, 3 << 15, RTL839X_LED_GLB_CTRL);
+}
+
+static void __init rtl930x_setup(void)
+{
+       pr_info("Registering _machine_restart\n");
+       _machine_restart = rtl930x_restart;
+       _machine_halt = rtl838x_halt;
+
+       if (soc_info.id == 0x9302)
+               sw_w32_mask(0, 3 << 13, RTL9302_LED_GLB_CTRL);
+       else
+               sw_w32_mask(0, 3 << 13, RTL930X_LED_GLB_CTRL);
+}
+
+static void __init rtl931x_setup(void)
+{
+       pr_info("Registering _machine_restart\n");
+       _machine_restart = rtl931x_restart;
+       _machine_halt = rtl838x_halt;
+       sw_w32_mask(0, 3 << 12, RTL931X_LED_GLB_CTRL);
+}
+
+void __init plat_mem_setup(void)
+{
+       void *dtb;
+
+       set_io_port_base(KSEG1);
+       _machine_restart = rtl838x_restart;
+
+       if (fw_passed_dtb) /* UHI interface */
+               dtb = (void *)fw_passed_dtb;
+       else if (__dtb_start != __dtb_end)
+               dtb = (void *)__dtb_start;
+       else
+               panic("no dtb found");
+
+       /*
+        * Load the devicetree. This causes the chosen node to be
+        * parsed resulting in our memory appearing
+        */
+       __dt_setup_arch(dtb);
+
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               rtl838x_setup();
+               break;
+       case RTL8390_FAMILY_ID:
+               rtl839x_setup();
+               break;
+       case RTL9300_FAMILY_ID:
+               rtl930x_setup();
+               break;
+       case RTL9310_FAMILY_ID:
+               rtl931x_setup();
+               break;
+       }
+}
+
+void __init plat_time_init(void)
+{
+       struct device_node *np;
+       u32 freq = 500000000;
+
+       of_clk_init(NULL);
+       timer_probe();
+
+       np = of_find_node_by_name(NULL, "cpus");
+       if (!np) {
+               pr_err("Missing 'cpus' DT node, using default frequency.");
+       } else {
+               if (of_property_read_u32(np, "frequency", &freq) < 0)
+                       pr_err("No 'frequency' property in DT, using default.");
+               else
+                       pr_info("CPU frequency from device tree: %dMHz", freq / 1000000);
+               of_node_put(np);
+       }
+
+       mips_hpt_frequency = freq / 2;
+}
diff --git a/target/linux/realtek/files-5.10/drivers/clocksource/timer-rtl9300.c b/target/linux/realtek/files-5.10/drivers/clocksource/timer-rtl9300.c
new file mode 100644 (file)
index 0000000..9ab1733
--- /dev/null
@@ -0,0 +1,196 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/clockchips.h>
+#include <linux/init.h>
+#include <asm/time.h>
+#include <linux/interrupt.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/sched_clock.h>
+#include "timer-of.h"
+
+#include <mach-rtl83xx.h>
+
+/* 
+ * Timer registers
+ * the RTL9300/9310 SoCs have 6 timers, each register block 0x10 apart
+ */
+#define RTL9300_TC_DATA                0x0
+#define RTL9300_TC_CNT         0x4
+#define RTL9300_TC_CTRL                0x8
+#define RTL9300_TC_CTRL_MODE   BIT(24)
+#define RTL9300_TC_CTRL_EN     BIT(28)
+#define RTL9300_TC_INT         0xc
+#define RTL9300_TC_INT_IP      BIT(16)
+#define RTL9300_TC_INT_IE      BIT(20)
+
+// Clocksource is using timer 0, clock event uses timer 1
+#define TIMER_CLK_SRC          0
+#define TIMER_CLK_EVT          1
+#define TIMER_BLK_EVT          (TIMER_CLK_EVT << 4)
+
+// Timer modes
+#define TIMER_MODE_REPEAT      1
+#define TIMER_MODE_ONCE                0
+
+// Minimum divider is 2
+#define DIVISOR_RTL9300                2
+
+#define N_BITS                 28
+
+static void __iomem *rtl9300_sched_reg __read_mostly;
+
+static u64 notrace rtl9300_sched_clock_read(void)
+{
+/*     pr_info("In %s: %x\n", __func__, readl_relaxed(rtl9300_sched_reg));
+       dump_stack();*/
+       return readl_relaxed(rtl9300_sched_reg);
+}
+
+static irqreturn_t rtl9300_timer_interrupt(int irq, void *dev_id)
+{
+       struct clock_event_device *clk = dev_id;
+       struct timer_of *to = to_timer_of(clk);
+       u32 v = readl(timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_INT);
+
+       // Acknowledge the IRQ
+       v |= RTL9300_TC_INT_IP;
+       writel(v, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_INT);
+
+       clk->event_handler(clk);
+       return IRQ_HANDLED;
+}
+
+static void rtl9300_timer_stop(struct timer_of *to)
+{
+       u32 v;
+
+       writel(0, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_CTRL);
+
+       // Acknowledge possibly pending IRQ
+       v = readl(timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_INT);
+       if (v & RTL9300_TC_INT_IP)
+               writel(v, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_INT);
+}
+
+static void rtl9300_timer_start(struct timer_of *to, int timer, bool periodic)
+{
+       u32 v = (periodic ? RTL9300_TC_CTRL_MODE : 0) | RTL9300_TC_CTRL_EN | DIVISOR_RTL9300;
+       writel(v, timer_of_base(to) + timer * 0x10 + RTL9300_TC_CTRL);
+}
+
+static int rtl9300_set_next_event(unsigned long delta, struct clock_event_device *clk)
+{
+       struct timer_of *to = to_timer_of(clk);
+
+       rtl9300_timer_stop(to);
+       writel(delta, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_DATA);
+       rtl9300_timer_start(to, TIMER_CLK_EVT, TIMER_MODE_ONCE);
+       return 0;
+}
+
+static int rtl9300_set_state_periodic(struct clock_event_device *clk)
+{
+       struct timer_of *to = to_timer_of(clk);
+
+       rtl9300_timer_stop(to);
+       writel(to->of_clk.period, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_DATA);
+       rtl9300_timer_start(to, TIMER_CLK_EVT, TIMER_MODE_REPEAT);
+       return 0;
+}
+
+static int rtl9300_set_state_oneshot(struct clock_event_device *clk)
+{
+       struct timer_of *to = to_timer_of(clk);
+
+       rtl9300_timer_stop(to);
+       writel(to->of_clk.period, timer_of_base(to) + TIMER_BLK_EVT + RTL9300_TC_DATA);
+       rtl9300_timer_start(to, TIMER_CLK_EVT, TIMER_MODE_ONCE);
+       return 0;
+}
+
+static int rtl9300_set_state_shutdown(struct clock_event_device *clk)
+{
+       struct timer_of *to = to_timer_of(clk);
+
+       rtl9300_timer_stop(to);
+       return 0;
+}
+
+static struct timer_of t_of = {
+       .flags = TIMER_OF_BASE | TIMER_OF_IRQ | TIMER_OF_CLOCK,
+
+       .clkevt = {
+               .name = "rtl9300_timer",
+               .rating = 350,
+               .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+               .set_next_event = rtl9300_set_next_event,
+               .set_state_oneshot = rtl9300_set_state_oneshot,
+               .set_state_periodic = rtl9300_set_state_periodic,
+               .set_state_shutdown = rtl9300_set_state_shutdown,
+       },
+
+       .of_irq = {
+               .name = "ostimer",
+               .handler = rtl9300_timer_interrupt,
+               .flags = IRQF_TIMER,
+       },
+};
+
+static void __init rtl9300_timer_setup(u8 timer)
+{
+       u32 v;
+
+       // Disable timer
+       writel(0, timer_of_base(&t_of) + 0x10 * timer + RTL9300_TC_CTRL);
+
+       // Acknowledge possibly pending IRQ
+       v = readl(timer_of_base(&t_of) + 0x10 * timer + RTL9300_TC_INT);
+       if (v & RTL9300_TC_INT_IP)
+               writel(v, timer_of_base(&t_of) + 0x10 * timer + RTL9300_TC_INT);
+
+       // Setup maximum period (for use as clock-source)
+       writel(0x0fffffff, timer_of_base(&t_of) + 0x10 * timer + RTL9300_TC_DATA);
+}
+
+
+static int __init rtl9300_timer_init(struct device_node *node)
+{
+       int err = 0;
+       unsigned long rate;
+
+       pr_info("%s: setting up timer\n", __func__);
+
+       err = timer_of_init(node, &t_of);
+       if (err)
+               return err;
+
+       rate = timer_of_rate(&t_of) / DIVISOR_RTL9300;
+       pr_info("Frequency in dts: %ld, my rate is %ld, period %ld\n",
+               timer_of_rate(&t_of), rate, timer_of_period(&t_of));
+       pr_info("With base %08x IRQ: %d\n", (u32)timer_of_base(&t_of), timer_of_irq(&t_of));
+
+       // Configure clock source and register it for scheduling
+       rtl9300_timer_setup(TIMER_CLK_SRC);
+       rtl9300_timer_start(&t_of, TIMER_CLK_SRC, TIMER_MODE_REPEAT);
+
+       rtl9300_sched_reg = timer_of_base(&t_of) + TIMER_CLK_SRC * 0x10 + RTL9300_TC_CNT;
+
+       err = clocksource_mmio_init(rtl9300_sched_reg, node->name, rate , 100, N_BITS,
+                                   clocksource_mmio_readl_up);
+       if (err)
+               return err;
+
+       sched_clock_register(rtl9300_sched_clock_read, N_BITS, rate);
+
+       // Configure clock event source
+       rtl9300_timer_setup(TIMER_CLK_EVT);
+       clockevents_config_and_register(&t_of.clkevt, rate, 100, 0x0fffffff);
+
+       // Enable interrupt
+       writel(RTL9300_TC_INT_IE, timer_of_base(&t_of) + TIMER_BLK_EVT + RTL9300_TC_INT);
+
+       return err;
+}
+
+TIMER_OF_DECLARE(rtl9300_timer, "realtek,rtl9300-timer", rtl9300_timer_init);
diff --git a/target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl8231.c b/target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl8231.c
new file mode 100644 (file)
index 0000000..a8ffcdc
--- /dev/null
@@ -0,0 +1,340 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/gpio/driver.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+
+/* RTL8231 registers for LED control */
+#define RTL8231_LED_FUNC0                      0x0000
+#define RTL8231_GPIO_PIN_SEL(gpio)             ((0x0002) + ((gpio) >> 4))
+#define RTL8231_GPIO_DIR(gpio)                 ((0x0005) + ((gpio) >> 4))
+#define RTL8231_GPIO_DATA(gpio)                        ((0x001C) + ((gpio) >> 4))
+
+#define USEC_TIMEOUT 5000
+
+struct rtl8231_gpios {
+       struct gpio_chip gc;
+       struct device *dev;
+       u32 id;
+       int smi_bus_id;
+       u16 reg_shadow[0x20];
+       u32 reg_cached;
+       int ext_gpio_indrt_access;
+};
+
+extern struct mutex smi_lock;
+extern struct rtl83xx_soc_info soc_info;
+
+static u32 rtl8231_read(struct rtl8231_gpios *gpios, u32 reg)
+{
+       u32 t = 0, n = 0;
+       u8 bus_id = gpios->smi_bus_id;
+
+       reg &= 0x1f;
+       bus_id &= 0x1f;
+
+       /* Calculate read register address */
+       t = (bus_id << 2) | (reg << 7);
+
+       /* Set execution bit: cleared when operation completed */
+       t |= 1;
+
+       // Start execution
+       sw_w32(t, gpios->ext_gpio_indrt_access);
+       do {
+               udelay(1);
+               t = sw_r32(gpios->ext_gpio_indrt_access);
+               n++;
+       } while ((t & 1) && (n < USEC_TIMEOUT));
+
+       if (n >= USEC_TIMEOUT)
+               return 0x80000000;
+       
+       pr_debug("%s: %x, %x, %x\n", __func__, bus_id, reg, (t & 0xffff0000) >> 16);
+
+       return (t & 0xffff0000) >> 16;
+}
+
+static int rtl8231_write(struct rtl8231_gpios *gpios, u32 reg, u32 data)
+{
+       u32 t = 0, n = 0;
+       u8 bus_id = gpios->smi_bus_id;
+
+       pr_debug("%s: %x, %x, %x\n", __func__, bus_id, reg, data);
+       reg &= 0x1f;
+       bus_id &= 0x1f;
+
+       t = (bus_id << 2) | (reg << 7) | (data << 16);
+       /* Set write bit */
+       t |= 2;
+
+       /* Set execution bit: cleared when operation completed */
+       t |= 1;
+
+       // Start execution
+       sw_w32(t, gpios->ext_gpio_indrt_access);
+       do {
+               udelay(1);
+               t = sw_r32(gpios->ext_gpio_indrt_access);
+       } while ((t & 1) && (n < USEC_TIMEOUT));
+
+       if (n >= USEC_TIMEOUT)
+               return -1;
+
+       return 0;
+}
+
+static u32 rtl8231_read_cached(struct rtl8231_gpios *gpios, u32 reg)
+{
+       if (reg > 0x1f)
+               return 0;
+
+       if (gpios->reg_cached & (1 << reg))
+               return gpios->reg_shadow[reg];
+
+       return rtl8231_read(gpios, reg);
+}
+
+/* Set Direction of the RTL8231 pin:
+ * dir 1: input
+ * dir 0: output
+ */
+static int rtl8231_pin_dir(struct rtl8231_gpios *gpios, u32 gpio, u32 dir)
+{
+       u32 v;
+       int pin_sel_addr = RTL8231_GPIO_PIN_SEL(gpio);
+       int pin_dir_addr = RTL8231_GPIO_DIR(gpio);
+       int dpin = gpio % 16;
+
+       if (gpio > 31) {
+               pr_debug("WARNING: HIGH pin\n");
+               dpin += 5;
+               pin_dir_addr = pin_sel_addr;
+       }
+
+       v = rtl8231_read_cached(gpios, pin_dir_addr);
+       if (v & 0x80000000) {
+               pr_err("Error reading RTL8231\n");
+               return -1;
+       }
+
+       v = (v & ~(1 << dpin)) | (dir << dpin);
+       rtl8231_write(gpios, pin_dir_addr, v);
+       gpios->reg_shadow[pin_dir_addr] = v;
+       gpios->reg_cached |= 1 << pin_dir_addr;
+       return 0;
+}
+
+static int rtl8231_pin_dir_get(struct rtl8231_gpios *gpios, u32 gpio, u32 *dir)
+{
+       /* dir 1: input
+        * dir 0: output
+        */
+
+       u32  v;
+       int pin_dir_addr = RTL8231_GPIO_DIR(gpio);
+       int pin = gpio % 16;
+
+       if (gpio > 31) {
+               pin_dir_addr = RTL8231_GPIO_PIN_SEL(gpio);
+               pin += 5;
+       }
+
+       v = rtl8231_read(gpios, pin_dir_addr);
+       if (v & (1 << pin))
+               *dir = 1;
+       else
+               *dir = 0;
+       return 0;
+}
+
+static int rtl8231_pin_set(struct rtl8231_gpios *gpios, u32 gpio, u32 data)
+{
+       u32 v = rtl8231_read(gpios, RTL8231_GPIO_DATA(gpio));
+
+       pr_debug("%s: %d to %d\n", __func__, gpio, data);
+       if (v & 0x80000000) {
+               pr_err("Error reading RTL8231\n");
+               return -1;
+       }
+       v = (v & ~(1 << (gpio % 16))) | (data << (gpio % 16));
+       rtl8231_write(gpios, RTL8231_GPIO_DATA(gpio), v);
+       gpios->reg_shadow[RTL8231_GPIO_DATA(gpio)] = v;
+       gpios->reg_cached |= 1 << RTL8231_GPIO_DATA(gpio);
+       return 0;
+}
+
+static int rtl8231_pin_get(struct rtl8231_gpios *gpios, u32 gpio, u16 *state)
+{
+       u32 v = rtl8231_read(gpios, RTL8231_GPIO_DATA(gpio));
+
+       if (v & 0x80000000) {
+               pr_err("Error reading RTL8231\n");
+               return -1;
+       }
+
+       *state = v & 0xffff;
+       return 0;
+}
+
+static int rtl8231_direction_input(struct gpio_chip *gc, unsigned int offset)
+{
+       int err;
+       struct rtl8231_gpios *gpios = gpiochip_get_data(gc);
+
+       pr_debug("%s: %d\n", __func__, offset);
+       mutex_lock(&smi_lock);
+       err = rtl8231_pin_dir(gpios, offset, 1);
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+static int rtl8231_direction_output(struct gpio_chip *gc, unsigned int offset, int value)
+{
+       int err;
+       struct rtl8231_gpios *gpios = gpiochip_get_data(gc);
+
+       pr_debug("%s: %d\n", __func__, offset);
+       mutex_lock(&smi_lock);
+       err = rtl8231_pin_dir(gpios, offset, 0);
+       mutex_unlock(&smi_lock);
+       if (!err)
+               err = rtl8231_pin_set(gpios, offset, value);
+       return err;
+}
+
+static int rtl8231_get_direction(struct gpio_chip *gc, unsigned int offset)
+{
+       u32 v = 0;
+       struct rtl8231_gpios *gpios = gpiochip_get_data(gc);
+
+       pr_debug("%s: %d\n", __func__, offset);
+       mutex_lock(&smi_lock);
+       rtl8231_pin_dir_get(gpios, offset, &v);
+       mutex_unlock(&smi_lock);
+       return v;
+}
+
+static int rtl8231_gpio_get(struct gpio_chip *gc, unsigned int offset)
+{
+       u16 state = 0;
+       struct rtl8231_gpios *gpios = gpiochip_get_data(gc);
+
+       mutex_lock(&smi_lock);
+       rtl8231_pin_get(gpios, offset, &state);
+       mutex_unlock(&smi_lock);
+       if (state & (1 << (offset % 16)))
+               return 1;
+       return 0;
+}
+
+void rtl8231_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
+{
+       struct rtl8231_gpios *gpios = gpiochip_get_data(gc);
+
+       rtl8231_pin_set(gpios, offset, value);
+}
+
+int rtl8231_init(struct rtl8231_gpios *gpios)
+{
+       u32 v;
+
+       pr_info("%s called, MDIO bus ID: %d\n", __func__, gpios->smi_bus_id);
+
+       gpios->reg_cached = 0;
+
+       if (soc_info.family == RTL8390_FAMILY_ID) {
+               // RTL8390: Enable external gpio in global led control register
+               sw_w32_mask(0x7 << 18, 0x4 << 18, RTL839X_LED_GLB_CTRL);
+       } else if (soc_info.family == RTL8380_FAMILY_ID) {
+               // RTL8380: Enable RTL8231 indirect access mode
+               sw_w32_mask(0, 1, RTL838X_EXTRA_GPIO_CTRL);
+               sw_w32_mask(3, 1, RTL838X_DMY_REG5);
+       }
+
+       /* Select GPIO functionality for pins 0-34 */
+       rtl8231_write(gpios, RTL8231_GPIO_PIN_SEL(0), 0xffff);
+       rtl8231_write(gpios, RTL8231_GPIO_PIN_SEL(16), 0xffff);
+       v = rtl8231_read(gpios, RTL8231_GPIO_PIN_SEL(32));
+       rtl8231_write(gpios, RTL8231_GPIO_PIN_SEL(32), v | 0x7);
+
+       return 0;
+}
+
+static const struct of_device_id rtl8231_gpio_of_match[] = {
+       { .compatible = "realtek,rtl8231-gpio" },
+       {},
+};
+
+MODULE_DEVICE_TABLE(of, rtl8231_gpio_of_match);
+
+static int rtl8231_gpio_probe(struct platform_device *pdev)
+{
+       struct device *dev = &pdev->dev;
+       struct device_node *np = dev->of_node;
+       struct rtl8231_gpios *gpios;
+       int err;
+       u32 indirect_bus_id;
+
+       pr_info("Probing RTL8231 GPIOs\n");
+
+       if (!np) {
+               dev_err(&pdev->dev, "No DT found\n");
+               return -EINVAL;
+       }
+
+       gpios = devm_kzalloc(dev, sizeof(*gpios), GFP_KERNEL);
+       if (!gpios)
+               return -ENOMEM;
+
+       gpios->id = soc_info.id;
+       if (soc_info.family == RTL8380_FAMILY_ID) {
+               gpios->ext_gpio_indrt_access = RTL838X_EXT_GPIO_INDRT_ACCESS;
+       }
+
+       if (soc_info.family == RTL8390_FAMILY_ID) {
+               gpios->ext_gpio_indrt_access = RTL839X_EXT_GPIO_INDRT_ACCESS;
+       }
+
+       /*
+        * We use a default MDIO bus ID for the 8231 of 0, which can be overriden
+        * by the indirect-access-bus-id property in the dts.
+        */
+       gpios->smi_bus_id = 0;
+       of_property_read_u32(np, "indirect-access-bus-id", &indirect_bus_id);
+       gpios->smi_bus_id = indirect_bus_id;
+
+       rtl8231_init(gpios);
+
+       gpios->dev = dev;
+       gpios->gc.base = 160;
+       gpios->gc.ngpio = 36;
+       gpios->gc.label = "rtl8231";
+       gpios->gc.parent = dev;
+       gpios->gc.owner = THIS_MODULE;
+       gpios->gc.can_sleep = true;
+
+       gpios->gc.direction_input = rtl8231_direction_input;
+       gpios->gc.direction_output = rtl8231_direction_output;
+       gpios->gc.set = rtl8231_gpio_set;
+       gpios->gc.get = rtl8231_gpio_get;
+       gpios->gc.get_direction = rtl8231_get_direction;
+
+       err = devm_gpiochip_add_data(dev, &gpios->gc, gpios);
+       return err;
+}
+
+static struct platform_driver rtl8231_gpio_driver = {
+       .driver = {
+               .name = "rtl8231-gpio",
+               .of_match_table = rtl8231_gpio_of_match,
+       },
+       .probe = rtl8231_gpio_probe,
+};
+
+module_platform_driver(rtl8231_gpio_driver);
+
+MODULE_DESCRIPTION("Realtek RTL8231 GPIO expansion chip support");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl838x.c b/target/linux/realtek/files-5.10/drivers/gpio/gpio-rtl838x.c
new file mode 100644 (file)
index 0000000..8207e4b
--- /dev/null
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/gpio/driver.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+
+/* RTL8231 registers for LED control */
+#define RTL8231_LED_FUNC0                      0x0000
+#define RTL8231_GPIO_PIN_SEL(gpio)             ((0x0002) + ((gpio) >> 4))
+#define RTL8231_GPIO_DIR(gpio)                 ((0x0005) + ((gpio) >> 4))
+#define RTL8231_GPIO_DATA(gpio)                        ((0x001C) + ((gpio) >> 4))
+
+struct rtl838x_gpios {
+       struct gpio_chip gc;
+       u32 id;
+       struct device *dev;
+       int irq;
+       int num_leds;
+       int min_led;
+       int leds_per_port;
+       u32 led_mode;
+       int led_glb_ctrl;
+       int led_sw_ctrl;
+       int (*led_sw_p_ctrl)(int port);
+       int (*led_sw_p_en_ctrl)(int port);
+       int (*ext_gpio_dir)(int i);
+       int (*ext_gpio_data)(int i);
+};
+
+inline int rtl838x_ext_gpio_dir(int i)
+{
+       return RTL838X_EXT_GPIO_DIR + ((i >>5) << 2);
+}
+
+inline int rtl839x_ext_gpio_dir(int i)
+{
+       return RTL839X_EXT_GPIO_DIR + ((i >>5) << 2);
+}
+
+inline int rtl838x_ext_gpio_data(int i)
+{
+       return RTL838X_EXT_GPIO_DATA + ((i >>5) << 2);
+}
+
+inline int rtl839x_ext_gpio_data(int i)
+{
+       return RTL839X_EXT_GPIO_DATA + ((i >>5) << 2);
+}
+
+inline int rtl838x_led_sw_p_ctrl(int p)
+{
+       return RTL838X_LED_SW_P_CTRL + (p << 2);
+}
+
+inline int rtl839x_led_sw_p_ctrl(int p)
+{
+       return RTL839X_LED_SW_P_CTRL + (p << 2);
+}
+
+inline int rtl838x_led_sw_p_en_ctrl(int p)
+{
+       return RTL838X_LED_SW_P_EN_CTRL + ((p / 10) << 2);
+}
+
+inline int rtl839x_led_sw_p_en_ctrl(int p)
+{
+       return RTL839X_LED_SW_P_EN_CTRL + ((p / 10) << 2);
+}
+
+extern struct mutex smi_lock;
+extern struct rtl83xx_soc_info soc_info;
+
+
+void rtl838x_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
+{
+       int bit;
+       struct rtl838x_gpios *gpios = gpiochip_get_data(gc);
+
+       pr_debug("rtl838x_set: %d, value: %d\n", offset, value);
+       /* Internal GPIO of the RTL8380 */
+       if (offset < 32) {
+               if (value)
+                       rtl83xx_w32_mask(0, BIT(offset), RTL838X_GPIO_PABC_DATA);
+               else
+                       rtl83xx_w32_mask(BIT(offset), 0, RTL838X_GPIO_PABC_DATA);
+       }
+
+       /* LED driver for PWR and SYS */
+       if (offset >= 32 && offset < 64) {
+               bit = offset - 32;
+               if (value)
+                       sw_w32_mask(0, BIT(bit), gpios->led_glb_ctrl);
+               else
+                       sw_w32_mask(BIT(bit), 0, gpios->led_glb_ctrl);
+               return;
+       }
+
+       bit = (offset - 64) % 32;
+       /* First Port-LED */
+       if (offset >= 64 && offset < 96
+          && offset >= (64 + gpios->min_led)
+          && offset < (64 + gpios->min_led + gpios->num_leds)) {
+               if (value)
+                       sw_w32_mask(7, 5, gpios->led_sw_p_ctrl(bit));
+               else
+                       sw_w32_mask(7, 0, gpios->led_sw_p_ctrl(bit));
+       }
+       if (offset >= 96 && offset < 128
+           && offset >= (96 + gpios->min_led)
+           && offset < (96 + gpios->min_led + gpios->num_leds)) {
+               if (value)
+                       sw_w32_mask(7 << 3, 5 << 3, gpios->led_sw_p_ctrl(bit));
+               else
+                       sw_w32_mask(7 << 3, 0, gpios->led_sw_p_ctrl(bit));
+       }
+       if (offset >= 128 && offset < 160
+           && offset >= (128 + gpios->min_led)
+           && offset < (128 + gpios->min_led + gpios->num_leds)) {
+               if (value)
+                       sw_w32_mask(7 << 6, 5 << 6, gpios->led_sw_p_ctrl(bit));
+               else
+                       sw_w32_mask(7 << 6, 0, gpios->led_sw_p_ctrl(bit));
+       }
+       __asm__ volatile ("sync");
+}
+
+static int rtl838x_direction_input(struct gpio_chip *gc, unsigned int offset)
+{
+       pr_debug("%s: %d\n", __func__, offset);
+
+       if (offset < 32) {
+               rtl83xx_w32_mask(BIT(offset), 0, RTL838X_GPIO_PABC_DIR);
+               return 0;
+       }
+
+       /* Internal LED driver does not support input */
+       return -ENOTSUPP;
+}
+
+static int rtl838x_direction_output(struct gpio_chip *gc, unsigned int offset, int value)
+{
+       pr_debug("%s: %d\n", __func__, offset);
+       if (offset < 32)
+               rtl83xx_w32_mask(0, BIT(offset), RTL838X_GPIO_PABC_DIR);
+       rtl838x_gpio_set(gc, offset, value);
+
+       /* LED for PWR and SYS driver is direction output by default */
+       return 0;
+}
+
+static int rtl838x_get_direction(struct gpio_chip *gc, unsigned int offset)
+{
+       u32 v = 0;
+
+       pr_debug("%s: %d\n", __func__, offset);
+       if (offset < 32) {
+               v = rtl83xx_r32(RTL838X_GPIO_PABC_DIR);
+               if (v & BIT(offset))
+                       return 0;
+               return 1;
+       }
+
+       /* LED driver for PWR and SYS is direction output by default */
+       if (offset >= 32 && offset < 64)
+               return 0;
+
+       return 0;
+}
+
+static int rtl838x_gpio_get(struct gpio_chip *gc, unsigned int offset)
+{
+       u32 v;
+       struct rtl838x_gpios *gpios = gpiochip_get_data(gc);
+
+       pr_debug("%s: %d\n", __func__, offset);
+
+       /* Internal GPIO of the RTL8380 */
+       if (offset < 32) {
+               v = rtl83xx_r32(RTL838X_GPIO_PABC_DATA);
+               if (v & BIT(offset))
+                       return 1;
+               return 0;
+       }
+
+       /* LED driver for PWR and SYS */
+       if (offset >= 32 && offset < 64) {
+               v = sw_r32(gpios->led_glb_ctrl);
+               if (v & BIT(offset-32))
+                       return 1;
+               return 0;
+       }
+
+/* BUG:
+       bit = (offset - 64) % 32;
+       if (offset >= 64 && offset < 96) {
+               if (sw_r32(RTL838X_LED1_SW_P_EN_CTRL) & BIT(bit))
+                       return 1;
+               return 0;
+       }
+       if (offset >= 96 && offset < 128) {
+               if (sw_r32(RTL838X_LED1_SW_P_EN_CTRL) & BIT(bit))
+                       return 1;
+               return 0;
+       }
+       if (offset >= 128 && offset < 160) {
+               if (sw_r32(RTL838X_LED1_SW_P_EN_CTRL) & BIT(bit))
+                       return 1;
+               return 0;
+       }
+       */ 
+       return 0;
+}
+
+void rtl8380_led_test(struct rtl838x_gpios *gpios, u32 mask)
+{
+       int i;
+       u32 led_gbl = sw_r32(gpios->led_glb_ctrl);
+       u32 mode_sel, led_p_en;
+
+       if (soc_info.family == RTL8380_FAMILY_ID) {
+               mode_sel = sw_r32(RTL838X_LED_MODE_SEL);
+               led_p_en = sw_r32(RTL838X_LED_P_EN_CTRL);
+       }
+
+       /* 2 Leds for ports 0-23 and 24-27, 3 would be 0x7 */
+       sw_w32_mask(0x3f, 0x3 | (0x3 << 3), gpios->led_glb_ctrl);
+
+       if(soc_info.family == RTL8380_FAMILY_ID) {
+               /* Enable all leds */
+               sw_w32(0xFFFFFFF, RTL838X_LED_P_EN_CTRL);
+       }
+       /* Enable software control of all leds */
+       sw_w32(0xFFFFFFF, gpios->led_sw_ctrl);
+       sw_w32(0xFFFFFFF, gpios->led_sw_p_en_ctrl(0));
+       sw_w32(0xFFFFFFF, gpios->led_sw_p_en_ctrl(10));
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(20));
+
+       for (i = 0; i < 28; i++) {
+               if (mask & BIT(i))
+                       sw_w32(5 | (5 << 3) | (5 << 6), gpios->led_sw_p_ctrl(i));
+       }
+       msleep(3000);
+
+       if (soc_info.family == RTL8380_FAMILY_ID)
+               sw_w32(led_p_en, RTL838X_LED_P_EN_CTRL);
+       /* Disable software control of all leds */
+       sw_w32(0x0000000, gpios->led_sw_ctrl);
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(0));
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(10));
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(20));
+
+       sw_w32(led_gbl, gpios->led_glb_ctrl);
+       if (soc_info.family == RTL8380_FAMILY_ID)
+               sw_w32(mode_sel, RTL838X_LED_MODE_SEL);
+}
+
+void take_port_leds(struct rtl838x_gpios *gpios)
+{
+       int leds_per_port = gpios->leds_per_port;
+       int mode = gpios->led_mode;
+
+       pr_info("%s, %d, %x\n", __func__, leds_per_port, mode);
+       pr_debug("Bootloader settings: %x %x %x\n",
+               sw_r32(gpios->led_sw_p_en_ctrl(0)),
+               sw_r32(gpios->led_sw_p_en_ctrl(10)),
+               sw_r32(gpios->led_sw_p_en_ctrl(20))
+       );
+
+       if (soc_info.family == RTL8380_FAMILY_ID) {
+               pr_debug("led glb: %x, sel %x\n",
+                       sw_r32(gpios->led_glb_ctrl), sw_r32(RTL838X_LED_MODE_SEL));
+               pr_debug("RTL838X_LED_P_EN_CTRL: %x", sw_r32(RTL838X_LED_P_EN_CTRL));
+               pr_debug("RTL838X_LED_MODE_CTRL: %x", sw_r32(RTL838X_LED_MODE_CTRL));
+               sw_w32_mask(3, 0, RTL838X_LED_MODE_SEL);
+               sw_w32(mode, RTL838X_LED_MODE_CTRL);
+       }
+
+       /* Enable software control of all leds */
+       sw_w32(0xFFFFFFF, gpios->led_sw_ctrl);
+       if (soc_info.family == RTL8380_FAMILY_ID)
+               sw_w32(0xFFFFFFF, RTL838X_LED_P_EN_CTRL);
+
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(0));
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(10));
+       sw_w32(0x0000000, gpios->led_sw_p_en_ctrl(20));
+
+       sw_w32_mask(0x3f, 0, gpios->led_glb_ctrl);
+       switch (leds_per_port) {
+       case 3:
+               sw_w32_mask(0, 0x7 | (0x7 << 3), gpios->led_glb_ctrl);
+               sw_w32(0xFFFFFFF, gpios->led_sw_p_en_ctrl(20));
+               /* FALLTHRU */
+       case 2:
+               sw_w32_mask(0, 0x3 | (0x3 << 3), gpios->led_glb_ctrl);
+               sw_w32(0xFFFFFFF, gpios->led_sw_p_en_ctrl(10));
+               /* FALLTHRU */
+       case 1:
+               sw_w32_mask(0, 0x1 | (0x1 << 3), gpios->led_glb_ctrl);
+               sw_w32(0xFFFFFFF, gpios->led_sw_p_en_ctrl(0));
+               break;
+       default:
+               pr_err("No LEDS configured for software control\n");
+       }
+}
+
+static const struct of_device_id rtl838x_gpio_of_match[] = {
+       { .compatible = "realtek,rtl838x-gpio" },
+       {},
+};
+
+MODULE_DEVICE_TABLE(of, rtl838x_gpio_of_match);
+
+static int rtl838x_gpio_probe(struct platform_device *pdev)
+{
+       struct device *dev = &pdev->dev;
+       struct device_node *np = dev->of_node;
+       struct rtl838x_gpios *gpios;
+       int err;
+
+       pr_info("Probing RTL838X GPIOs\n");
+
+       if (!np) {
+               dev_err(&pdev->dev, "No DT found\n");
+               return -EINVAL;
+       }
+
+       gpios = devm_kzalloc(dev, sizeof(*gpios), GFP_KERNEL);
+       if (!gpios)
+               return -ENOMEM;
+
+       gpios->id = soc_info.id;
+
+       switch (gpios->id) {
+       case 0x8332:
+               pr_debug("Found RTL8332M GPIO\n");
+               break;
+       case 0x8380:
+               pr_debug("Found RTL8380M GPIO\n");
+               break;
+       case 0x8381:
+               pr_debug("Found RTL8381M GPIO\n");
+               break;
+       case 0x8382:
+               pr_debug("Found RTL8382M GPIO\n");
+               break;
+       case 0x8391:
+               pr_debug("Found RTL8391 GPIO\n");
+               break;
+       case 0x8393:
+               pr_debug("Found RTL8393 GPIO\n");
+               break;
+       default:
+               pr_err("Unknown GPIO chip id (%04x)\n", gpios->id);
+               return -ENODEV;
+       }
+
+       if (soc_info.family == RTL8380_FAMILY_ID) {
+               gpios->led_glb_ctrl = RTL838X_LED_GLB_CTRL;
+               gpios->led_sw_ctrl = RTL838X_LED_SW_CTRL;
+               gpios->led_sw_p_ctrl = rtl838x_led_sw_p_ctrl;
+               gpios->led_sw_p_en_ctrl = rtl838x_led_sw_p_en_ctrl;
+               gpios->ext_gpio_dir = rtl838x_ext_gpio_dir;
+               gpios->ext_gpio_data = rtl838x_ext_gpio_data;
+       }
+
+       if (soc_info.family == RTL8390_FAMILY_ID) {
+               gpios->led_glb_ctrl = RTL839X_LED_GLB_CTRL;
+               gpios->led_sw_ctrl = RTL839X_LED_SW_CTRL;
+               gpios->led_sw_p_ctrl = rtl839x_led_sw_p_ctrl;
+               gpios->led_sw_p_en_ctrl = rtl839x_led_sw_p_en_ctrl;
+               gpios->ext_gpio_dir = rtl839x_ext_gpio_dir;
+               gpios->ext_gpio_data = rtl839x_ext_gpio_data;
+       }
+
+       gpios->dev = dev;
+       gpios->gc.base = 0;
+       /* 0-31: internal
+        * 32-63, LED control register
+        * 64-95: PORT-LED 0
+        * 96-127: PORT-LED 1
+        * 128-159: PORT-LED 2
+        */
+       gpios->gc.ngpio = 160;
+       gpios->gc.label = "rtl838x";
+       gpios->gc.parent = dev;
+       gpios->gc.owner = THIS_MODULE;
+       gpios->gc.can_sleep = true;
+       gpios->irq = 31;
+
+       gpios->gc.direction_input = rtl838x_direction_input;
+       gpios->gc.direction_output = rtl838x_direction_output;
+       gpios->gc.set = rtl838x_gpio_set;
+       gpios->gc.get = rtl838x_gpio_get;
+       gpios->gc.get_direction = rtl838x_get_direction;
+
+       if (of_property_read_bool(np, "take-port-leds")) {
+               if (of_property_read_u32(np, "leds-per-port", &gpios->leds_per_port))
+                       gpios->leds_per_port = 2;
+               if (of_property_read_u32(np, "led-mode", &gpios->led_mode))
+                       gpios->led_mode = (0x1ea << 15) | 0x1ea;
+               if (of_property_read_u32(np, "num-leds", &gpios->num_leds))
+                       gpios->num_leds = 32;
+               if (of_property_read_u32(np, "min-led", &gpios->min_led))
+                       gpios->min_led = 0;
+               take_port_leds(gpios);
+       }
+
+       err = devm_gpiochip_add_data(dev, &gpios->gc, gpios);
+       return err;
+}
+
+static struct platform_driver rtl838x_gpio_driver = {
+       .driver = {
+               .name = "rtl838x-gpio",
+               .of_match_table = rtl838x_gpio_of_match,
+       },
+       .probe = rtl838x_gpio_probe,
+};
+
+module_platform_driver(rtl838x_gpio_driver);
+
+MODULE_DESCRIPTION("Realtek RTL838X GPIO API support");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-nor.c b/target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-nor.c
new file mode 100644 (file)
index 0000000..35bf53e
--- /dev/null
@@ -0,0 +1,603 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/spi-nor.h>
+
+#include "rtl838x-spi.h"
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+
+extern struct rtl83xx_soc_info soc_info;
+
+struct rtl838x_nor {
+       struct spi_nor nor;
+       struct device *dev;
+       volatile void __iomem *base;
+       bool fourByteMode;
+       u32 chipSize;
+       uint32_t flags;
+       uint32_t io_status;
+};
+
+static uint32_t spi_prep(struct rtl838x_nor *rtl838x_nor)
+{
+       /* Needed because of MMU constraints */
+       SPI_WAIT_READY;
+       spi_w32w(SPI_CS_INIT, SFCSR);   //deactivate CS0, CS1
+       spi_w32w(0, SFCSR);             //activate CS0,CS1
+       spi_w32w(SPI_CS_INIT, SFCSR);   //deactivate CS0, CS1
+
+       return (CS0 & rtl838x_nor->flags) ? (SPI_eCS0 & SPI_LEN_INIT)
+                       : ((SPI_eCS1 & SPI_LEN_INIT) | SFCSR_CHIP_SEL);
+}
+
+static uint32_t rtl838x_nor_get_SR(struct rtl838x_nor *rtl838x_nor)
+{
+       uint32_t sfcsr, sfdr;
+
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr  = (SPINOR_OP_RDSR)<<24;
+
+       pr_debug("%s: rdid,sfcsr_val = %.8x,SFDR = %.8x\n", __func__, sfcsr, sfdr);
+       pr_debug("rdid,sfcsr = %.8x\n", sfcsr | SPI_LEN4);
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+       spi_w32_mask(0, SPI_LEN4, SFCSR);
+       SPI_WAIT_READY;
+
+       return spi_r32(SFDR);
+}
+
+static void spi_write_disable(struct rtl838x_nor *rtl838x_nor)
+{
+       uint32_t sfcsr, sfdr;
+
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr = (SPINOR_OP_WRDI) << 24;
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+       pr_debug("%s: sfcsr_val = %.8x,SFDR = %.8x", __func__, sfcsr, sfdr);
+
+       spi_prep(rtl838x_nor);
+}
+
+static void spi_write_enable(struct rtl838x_nor *rtl838x_nor)
+{
+       uint32_t sfcsr, sfdr;
+
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr = (SPINOR_OP_WREN) << 24;
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+       pr_debug("%s: sfcsr_val = %.8x,SFDR = %.8x", __func__, sfcsr, sfdr);
+
+       spi_prep(rtl838x_nor);
+}
+
+static void spi_4b_set(struct rtl838x_nor *rtl838x_nor, bool enable)
+{
+       uint32_t sfcsr, sfdr;
+
+       sfcsr = spi_prep(rtl838x_nor);
+       if (enable)
+               sfdr = (SPINOR_OP_EN4B) << 24;
+       else
+               sfdr = (SPINOR_OP_EX4B) << 24;
+
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+       pr_debug("%s: sfcsr_val = %.8x,SFDR = %.8x", __func__, sfcsr, sfdr);
+
+       spi_prep(rtl838x_nor);
+}
+
+static int rtl838x_get_addr_mode(struct rtl838x_nor *rtl838x_nor)
+{
+       int res = 3;
+       u32 reg;
+
+       sw_w32(0x3, RTL838X_INT_RW_CTRL);
+       if (!sw_r32(RTL838X_EXT_VERSION)) {
+               if (sw_r32(RTL838X_STRAP_DBG) & (1 << 29))
+                       res = 4;
+       } else {
+               reg = sw_r32(RTL838X_PLL_CML_CTRL);
+               if ((reg & (1 << 30)) && (reg & (1 << 31)))
+                       res = 4;
+               if ((!(reg & (1 << 30)))
+                    && sw_r32(RTL838X_STRAP_DBG) & (1 << 29))
+                       res = 4;
+       }
+       sw_w32(0x0, RTL838X_INT_RW_CTRL);
+       return res;
+}
+
+static int rtl8390_get_addr_mode(struct rtl838x_nor *rtl838x_nor)
+{
+       if (spi_r32(RTL8390_SOC_SPI_MMIO_CONF) & (1 << 9))
+               return 4;
+       return 3;
+}
+
+ssize_t rtl838x_do_read(struct rtl838x_nor *rtl838x_nor, loff_t from,
+                              size_t length, u_char *buffer, uint8_t command)
+{
+       uint32_t sfcsr, sfdr;
+       uint32_t len = length;
+
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr = command << 24;
+
+       /* Perform SPINOR_OP_READ: 1 byte command & 3 byte addr*/
+       sfcsr |= SPI_LEN4;
+       sfdr |= from;
+
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+
+       /* Read Data, 4 bytes at a time */
+       while (length >= 4) {
+               SPI_WAIT_READY;
+               *((uint32_t *) buffer) = spi_r32(SFDR);
+               buffer += 4;
+               length -= 4;
+       }
+
+       /* The rest needs to be read 1 byte a time */
+       sfcsr &= SPI_LEN_INIT|SPI_LEN1;
+       SPI_WAIT_READY;
+       spi_w32w(sfcsr, SFCSR);
+       while (length > 0) {
+               SPI_WAIT_READY;
+               *(buffer) = spi_r32(SFDR) >> 24;
+               buffer++;
+               length--;
+       }
+       return len;
+}
+
+/*
+ * Do fast read in 3 or 4 Byte addressing mode
+ */
+static ssize_t rtl838x_do_4bf_read(struct rtl838x_nor *rtl838x_nor, loff_t from,
+                              size_t length, u_char *buffer, uint8_t command)
+{
+       int sfcsr_addr_len = rtl838x_nor->fourByteMode ? 0x3 : 0x2;
+       int sfdr_addr_shift = rtl838x_nor->fourByteMode ? 0 : 8;
+       uint32_t sfcsr;
+       uint32_t len = length;
+
+       pr_debug("Fast read from %llx, len %x, shift %d\n",
+                from, sfcsr_addr_len, sfdr_addr_shift);
+       sfcsr = spi_prep(rtl838x_nor);
+
+       /* Send read command */
+       spi_w32w(sfcsr | SPI_LEN1, SFCSR);
+       spi_w32w(command << 24, SFDR);
+
+       /* Send address */
+       spi_w32w(sfcsr | (sfcsr_addr_len << 28), SFCSR);
+       spi_w32w(from << sfdr_addr_shift, SFDR);
+
+       /* Dummy cycles */
+       spi_w32w(sfcsr | SPI_LEN1, SFCSR);
+       spi_w32w(0, SFDR);
+
+       /* Start reading */
+       spi_w32w(sfcsr | SPI_LEN4, SFCSR);
+
+       /* Read Data, 4 bytes at a time */
+       while (length >= 4) {
+               SPI_WAIT_READY;
+               *((uint32_t *) buffer) = spi_r32(SFDR);
+               buffer += 4;
+               length -= 4;
+       }
+
+       /* The rest needs to be read 1 byte a time */
+       sfcsr &= SPI_LEN_INIT|SPI_LEN1;
+       SPI_WAIT_READY;
+       spi_w32w(sfcsr, SFCSR);
+       while (length > 0) {
+               SPI_WAIT_READY;
+               *(buffer) = spi_r32(SFDR) >> 24;
+               buffer++;
+               length--;
+       }
+       return len;
+
+}
+
+/*
+ * Do write (Page Programming) in 3 or 4 Byte addressing mode
+ */
+static ssize_t rtl838x_do_4b_write(struct rtl838x_nor *rtl838x_nor, loff_t to,
+                                   size_t length, const u_char *buffer,
+                                   uint8_t command)
+{
+       int sfcsr_addr_len = rtl838x_nor->fourByteMode ? 0x3 : 0x2;
+       int sfdr_addr_shift = rtl838x_nor->fourByteMode ? 0 : 8;
+       uint32_t sfcsr;
+       uint32_t len = length;
+
+       pr_debug("Write to %llx, len %x, shift %d\n",
+                to, sfcsr_addr_len, sfdr_addr_shift);
+       sfcsr = spi_prep(rtl838x_nor);
+
+       /* Send write command, command IO-width is 1 (bit 25/26) */
+       spi_w32w(sfcsr | SPI_LEN1 | (0 << 25), SFCSR);
+       spi_w32w(command << 24, SFDR);
+
+       /* Send address */
+       spi_w32w(sfcsr | (sfcsr_addr_len << 28) | (0 << 25), SFCSR);
+       spi_w32w(to << sfdr_addr_shift, SFDR);
+
+       /* Write Data, 1 byte at a time, if we are not 4-byte aligned */
+       if (((long)buffer) % 4) {
+               spi_w32w(sfcsr | SPI_LEN1, SFCSR);
+               while (length > 0 && (((long)buffer) % 4)) {
+                       SPI_WAIT_READY;
+                       spi_w32(*(buffer) << 24, SFDR);
+                       buffer += 1;
+                       length -= 1;
+               }
+       }
+
+       /* Now we can write 4 bytes at a time */
+       SPI_WAIT_READY;
+       spi_w32w(sfcsr | SPI_LEN4, SFCSR);
+       while (length >= 4) {
+               SPI_WAIT_READY;
+               spi_w32(*((uint32_t *)buffer), SFDR);
+               buffer += 4;
+               length -= 4;
+       }
+
+       /* Final bytes might need to be written 1 byte at a time, again */
+       SPI_WAIT_READY;
+       spi_w32w(sfcsr | SPI_LEN1, SFCSR);
+       while (length > 0) {
+               SPI_WAIT_READY;
+               spi_w32(*(buffer) << 24, SFDR);
+               buffer++;
+               length--;
+       }
+       return len;
+}
+
+static ssize_t rtl838x_nor_write(struct spi_nor *nor, loff_t to, size_t len,
+                                const u_char *buffer)
+{
+       int ret = 0;
+       uint32_t offset = 0;
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+       size_t l = len;
+       uint8_t cmd = SPINOR_OP_PP;
+
+       /* Do write in 4-byte mode on large Macronix chips */
+       if (rtl838x_nor->fourByteMode) {
+               cmd = SPINOR_OP_PP_4B;
+               spi_4b_set(rtl838x_nor, true);
+       }
+
+       pr_debug("In %s %8x to: %llx\n", __func__,
+                (unsigned int) rtl838x_nor, to);
+
+       while (l >= SPI_MAX_TRANSFER_SIZE) {
+               while
+                       (rtl838x_nor_get_SR(rtl838x_nor) & SPI_WIP);
+               do {
+                       spi_write_enable(rtl838x_nor);
+               } while (!(rtl838x_nor_get_SR(rtl838x_nor) & SPI_WEL));
+               ret = rtl838x_do_4b_write(rtl838x_nor, to + offset,
+                               SPI_MAX_TRANSFER_SIZE, buffer+offset, cmd);
+               l -= SPI_MAX_TRANSFER_SIZE;
+               offset += SPI_MAX_TRANSFER_SIZE;
+       }
+
+       if (l > 0) {
+               while
+                       (rtl838x_nor_get_SR(rtl838x_nor) & SPI_WIP);
+               do {
+                       spi_write_enable(rtl838x_nor);
+               } while (!(rtl838x_nor_get_SR(rtl838x_nor) & SPI_WEL));
+               ret = rtl838x_do_4b_write(rtl838x_nor, to+offset,
+                                         len, buffer+offset, cmd);
+       }
+
+       return len;
+}
+
+static ssize_t rtl838x_nor_read(struct spi_nor *nor, loff_t from,
+                               size_t length, u_char *buffer)
+{
+       uint32_t offset = 0;
+       uint8_t cmd = SPINOR_OP_READ_FAST;
+       size_t l = length;
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+
+       /* Do fast read in 3, or 4-byte mode on large Macronix chips */
+       if (rtl838x_nor->fourByteMode) {
+               cmd = SPINOR_OP_READ_FAST_4B;
+               spi_4b_set(rtl838x_nor, true);
+       }
+
+       /* TODO: do timeout and return error */
+       pr_debug("Waiting for pending writes\n");
+       while
+               (rtl838x_nor_get_SR(rtl838x_nor) & SPI_WIP);
+       do {
+               spi_write_enable(rtl838x_nor);
+       } while (!(rtl838x_nor_get_SR(rtl838x_nor) & SPI_WEL));
+
+       pr_debug("cmd is %d\n", cmd);
+       pr_debug("%s: addr %.8llx to addr %.8x, cmd %.8x, size %d\n", __func__,
+                from, (u32)buffer, (u32)cmd, length);
+
+       while (l >= SPI_MAX_TRANSFER_SIZE) {
+               rtl838x_do_4bf_read(rtl838x_nor, from + offset,
+                                   SPI_MAX_TRANSFER_SIZE, buffer+offset, cmd);
+               l -= SPI_MAX_TRANSFER_SIZE;
+               offset += SPI_MAX_TRANSFER_SIZE;
+       }
+
+       if (l > 0)
+               rtl838x_do_4bf_read(rtl838x_nor, from + offset, l, buffer+offset, cmd);
+
+       return length;
+}
+
+static int rtl838x_erase(struct spi_nor *nor, loff_t offs)
+{
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+       int sfcsr_addr_len = rtl838x_nor->fourByteMode ? 0x3 : 0x2;
+       int sfdr_addr_shift = rtl838x_nor->fourByteMode ? 0 : 8;
+       uint32_t sfcsr;
+       uint8_t cmd = SPINOR_OP_SE;
+
+       pr_debug("Erasing sector at %llx\n", offs);
+
+       /* Do erase in 4-byte mode on large Macronix chips */
+       if (rtl838x_nor->fourByteMode) {
+               cmd = SPINOR_OP_SE_4B;
+               spi_4b_set(rtl838x_nor, true);
+       }
+       /* TODO: do timeout and return error */
+       while
+               (rtl838x_nor_get_SR(rtl838x_nor) & SPI_WIP);
+       do {
+               spi_write_enable(rtl838x_nor);
+       } while (!(rtl838x_nor_get_SR(rtl838x_nor) & SPI_WEL));
+
+       sfcsr = spi_prep(rtl838x_nor);
+
+       /* Send erase command, command IO-width is 1 (bit 25/26) */
+       spi_w32w(sfcsr | SPI_LEN1 | (0 << 25), SFCSR);
+       spi_w32w(cmd << 24, SFDR);
+
+       /* Send address */
+       spi_w32w(sfcsr | (sfcsr_addr_len << 28) | (0 << 25), SFCSR);
+       spi_w32w(offs << sfdr_addr_shift, SFDR);
+
+       return 0;
+}
+
+static int rtl838x_nor_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
+{
+       int length = len;
+       u8 *buffer = buf;
+       uint32_t sfcsr, sfdr;
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+
+       pr_debug("In %s: opcode %x, len %x\n", __func__, opcode, len);
+
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr = opcode << 24;
+
+       sfcsr |= SPI_LEN1;
+
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+
+       while (length > 0) {
+               SPI_WAIT_READY;
+               *(buffer) = spi_r32(SFDR) >> 24;
+               buffer++;
+               length--;
+       }
+
+       return len;
+}
+
+static int rtl838x_nor_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
+{
+       uint32_t sfcsr, sfdr;
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+
+       pr_debug("In %s, opcode %x, len %x\n", __func__, opcode, len);
+       sfcsr = spi_prep(rtl838x_nor);
+       sfdr = opcode << 24;
+
+       if (len == 1) { /* SPINOR_OP_WRSR */
+               sfdr |= buf[0];
+               sfcsr |= SPI_LEN2;
+       }
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+       return 0;
+}
+
+static int spi_enter_sio(struct spi_nor *nor)
+{
+       uint32_t sfcsr, sfcr2, sfdr;
+       uint32_t ret = 0, reg = 0, size_bits;
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+
+       pr_debug("In %s\n", __func__);
+       rtl838x_nor->io_status = 0;
+       sfdr = SPI_C_RSTQIO << 24;
+       sfcsr = spi_prep(rtl838x_nor);
+
+       reg = spi_r32(SFCR2);
+       pr_debug("SFCR2: %x, size %x, rdopt: %x\n", reg, SFCR2_GETSIZE(reg),
+                                                 (reg & SFCR2_RDOPT));
+       size_bits = rtl838x_nor->fourByteMode ? SFCR2_SIZE(0x6) : SFCR2_SIZE(0x7);
+
+       sfcr2 = SFCR2_HOLD_TILL_SFDR2 | size_bits
+               | (reg & SFCR2_RDOPT) | SFCR2_CMDIO(0)
+               | SFCR2_ADDRIO(0) | SFCR2_DUMMYCYCLE(4)
+               | SFCR2_DATAIO(0) | SFCR2_SFCMD(SPINOR_OP_READ_FAST);
+       pr_debug("SFCR2: %x, size %x\n", reg, SFCR2_GETSIZE(reg));
+
+       SPI_WAIT_READY;
+       spi_w32w(sfcr2, SFCR2);
+       spi_w32w(sfcsr, SFCSR);
+       spi_w32w(sfdr, SFDR);
+
+       spi_w32_mask(SFCR2_HOLD_TILL_SFDR2, 0, SFCR2);
+       rtl838x_nor->io_status &= ~IOSTATUS_CIO_MASK;
+       rtl838x_nor->io_status |= CIO1;
+
+       spi_prep(rtl838x_nor);
+
+       return ret;
+}
+
+int rtl838x_spi_nor_scan(struct spi_nor *nor, const char *name)
+{
+       static const struct spi_nor_hwcaps hwcaps = {
+               .mask = SNOR_HWCAPS_READ | SNOR_HWCAPS_PP
+                       | SNOR_HWCAPS_READ_FAST
+       };
+
+       struct rtl838x_nor *rtl838x_nor = nor->priv;
+
+       pr_debug("In %s\n", __func__);
+
+       spi_w32_mask(0, SFCR_EnableWBO, SFCR);
+       spi_w32_mask(0, SFCR_EnableRBO, SFCR);
+
+       rtl838x_nor->flags = CS0 | R_MODE;
+
+       spi_nor_scan(nor, NULL, &hwcaps);
+       pr_debug("------------- Got size: %llx\n", nor->mtd.size);
+
+       return 0;
+}
+
+int rtl838x_nor_init(struct rtl838x_nor *rtl838x_nor,
+                       struct device_node *flash_node)
+{
+       int ret;
+       struct spi_nor *nor;
+
+       pr_info("%s called\n", __func__);
+       nor = &rtl838x_nor->nor;
+       nor->dev = rtl838x_nor->dev;
+       nor->priv = rtl838x_nor;
+       spi_nor_set_flash_node(nor, flash_node);
+
+       nor->read_reg = rtl838x_nor_read_reg;
+       nor->write_reg = rtl838x_nor_write_reg;
+       nor->read = rtl838x_nor_read;
+       nor->write = rtl838x_nor_write;
+       nor->erase = rtl838x_erase;
+       nor->mtd.name = "rtl838x_nor";
+       nor->erase_opcode = rtl838x_nor->fourByteMode ? SPINOR_OP_SE_4B
+                                       : SPINOR_OP_SE;
+       /* initialized with NULL */
+       ret = rtl838x_spi_nor_scan(nor, NULL);
+       if (ret)
+               return ret;
+
+       spi_enter_sio(nor);
+       spi_write_disable(rtl838x_nor);
+
+       ret = mtd_device_parse_register(&nor->mtd, NULL, NULL, NULL, 0);
+       return ret;
+}
+
+static int rtl838x_nor_drv_probe(struct platform_device *pdev)
+{
+       struct device_node *flash_np;
+       struct resource *res;
+       int ret;
+       struct rtl838x_nor *rtl838x_nor;
+       int addrMode;
+
+       pr_info("Initializing rtl838x_nor_driver\n");
+       if (!pdev->dev.of_node) {
+               dev_err(&pdev->dev, "No DT found\n");
+               return -EINVAL;
+       }
+
+       rtl838x_nor = devm_kzalloc(&pdev->dev, sizeof(*rtl838x_nor), GFP_KERNEL);
+       if (!rtl838x_nor)
+               return -ENOMEM;
+       platform_set_drvdata(pdev, rtl838x_nor);
+
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       rtl838x_nor->base = devm_ioremap_resource(&pdev->dev, res);
+       if (IS_ERR((void *)rtl838x_nor->base))
+               return PTR_ERR((void *)rtl838x_nor->base);
+
+       pr_info("SPI resource base is %08x\n", (u32)rtl838x_nor->base);
+       rtl838x_nor->dev = &pdev->dev;
+
+       /* only support one attached flash */
+       flash_np = of_get_next_available_child(pdev->dev.of_node, NULL);
+       if (!flash_np) {
+               dev_err(&pdev->dev, "no SPI flash device to configure\n");
+               ret = -ENODEV;
+               goto nor_free;
+       }
+
+       /* Get the 3/4 byte address mode as configure by bootloader */
+       if (soc_info.family == RTL8390_FAMILY_ID)
+               addrMode = rtl8390_get_addr_mode(rtl838x_nor);
+       else
+               addrMode = rtl838x_get_addr_mode(rtl838x_nor);
+       pr_info("Address mode is %d bytes\n", addrMode);
+       if (addrMode == 4)
+               rtl838x_nor->fourByteMode = true;
+
+       ret = rtl838x_nor_init(rtl838x_nor, flash_np);
+
+nor_free:
+       return ret;
+}
+
+static int rtl838x_nor_drv_remove(struct platform_device *pdev)
+{
+/*     struct rtl8xx_nor *rtl838x_nor = platform_get_drvdata(pdev); */
+       return 0;
+}
+
+static const struct of_device_id rtl838x_nor_of_ids[] = {
+       { .compatible = "realtek,rtl838x-nor"},
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, rtl838x_nor_of_ids);
+
+static struct platform_driver rtl838x_nor_driver = {
+       .probe = rtl838x_nor_drv_probe,
+       .remove = rtl838x_nor_drv_remove,
+       .driver = {
+               .name = "rtl838x-nor",
+               .pm = NULL,
+               .of_match_table = rtl838x_nor_of_ids,
+       },
+};
+
+module_platform_driver(rtl838x_nor_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("RTL838x SPI NOR Flash Driver");
diff --git a/target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-spi.h b/target/linux/realtek/files-5.10/drivers/mtd/spi-nor/rtl838x-spi.h
new file mode 100644 (file)
index 0000000..de424c6
--- /dev/null
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2009 Realtek Semiconductor Corp.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _RTL838X_SPI_H
+#define _RTL838X_SPI_H
+
+
+/*
+ * Register access macros
+ */
+
+#define spi_r32(reg)           readl(rtl838x_nor->base + reg)
+#define spi_w32(val, reg)      writel(val, rtl838x_nor->base + reg)
+#define spi_w32_mask(clear, set, reg)  \
+       spi_w32((spi_r32(reg) & ~(clear)) | (set), reg)
+
+#define SPI_WAIT_READY         do { \
+                               } while (!(spi_r32(SFCSR) & SFCSR_SPI_RDY))
+
+#define spi_w32w(val, reg)     do { \
+                                       writel(val, rtl838x_nor->base + reg); \
+                                       SPI_WAIT_READY; \
+                               } while (0)
+
+#define SFCR   (0x00)                  /*SPI Flash Configuration Register*/
+       #define SFCR_CLK_DIV(val)       ((val)<<29)
+       #define SFCR_EnableRBO          (1<<28)
+       #define SFCR_EnableWBO          (1<<27)
+       #define SFCR_SPI_TCS(val)       ((val)<<23) /*4 bit, 1111 */
+
+#define SFCR2  (0x04)  /*For memory mapped I/O */
+       #define SFCR2_SFCMD(val)        ((val)<<24) /*8 bit, 1111_1111 */
+       #define SFCR2_SIZE(val)         ((val)<<21) /*3 bit, 111 */
+       #define SFCR2_RDOPT             (1<<20)
+       #define SFCR2_CMDIO(val)        ((val)<<18) /*2 bit, 11 */
+       #define SFCR2_ADDRIO(val)       ((val)<<16) /*2 bit, 11 */
+       #define SFCR2_DUMMYCYCLE(val)   ((val)<<13) /*3 bit, 111 */
+       #define SFCR2_DATAIO(val)       ((val)<<11) /*2 bit, 11 */
+       #define SFCR2_HOLD_TILL_SFDR2   (1<<10)
+       #define SFCR2_GETSIZE(x)        (((x)&0x00E00000)>>21)
+
+#define SFCSR  (0x08)  /*SPI Flash Control&Status Register*/
+       #define SFCSR_SPI_CSB0          (1<<31)
+       #define SFCSR_SPI_CSB1          (1<<30)
+       #define SFCSR_LEN(val)          ((val)<<28)  /*2 bits*/
+       #define SFCSR_SPI_RDY           (1<<27)
+       #define SFCSR_IO_WIDTH(val)     ((val)<<25)  /*2 bits*/
+       #define SFCSR_CHIP_SEL          (1<<24)
+       #define SFCSR_CMD_BYTE(val)     ((val)<<16)  /*8 bit, 1111_1111 */
+
+#define SFDR   (0x0C)  /*SPI Flash Data Register*/
+#define SFDR2  (0x10)  /*SPI Flash Data Register - for post SPI bootup setting*/
+       #define SPI_CS_INIT             (SFCSR_SPI_CSB0 | SFCSR_SPI_CSB1 | SPI_LEN1)
+       #define SPI_CS0                 SFCSR_SPI_CSB0
+       #define SPI_CS1                 SFCSR_SPI_CSB1
+       #define SPI_eCS0                ((SFCSR_SPI_CSB1)) /*and SFCSR to active CS0*/
+       #define SPI_eCS1                ((SFCSR_SPI_CSB0)) /*and SFCSR to active CS1*/
+
+       #define SPI_WIP (1)             /* Write In Progress */
+       #define SPI_WEL (1<<1)          /* Write Enable Latch*/
+       #define SPI_SST_QIO_WIP (1<<7)  /* SST QIO Flash Write In Progress */
+       #define SPI_LEN_INIT 0xCFFFFFFF /* and SFCSR to init   */
+       #define SPI_LEN4    0x30000000  /* or SFCSR to set */
+       #define SPI_LEN3    0x20000000  /* or SFCSR to set */
+       #define SPI_LEN2    0x10000000  /* or SFCSR to set */
+       #define SPI_LEN1    0x00000000  /* or SFCSR to set */
+       #define SPI_SETLEN(val) do {            \
+                       SPI_REG(SFCSR) &= 0xCFFFFFFF;   \
+                       SPI_REG(SFCSR) |= (val-1)<<28;  \
+               } while (0)
+/*
+ * SPI interface control
+ */
+#define RTL8390_SOC_SPI_MMIO_CONF (0x04)
+
+#define IOSTATUS_CIO_MASK (0x00000038)
+
+/* Chip select: bits 4-7*/
+#define CS0 (1<<4)
+#define R_MODE 0x04
+
+/* io_status */
+#define IO1 (1<<0)
+#define IO2 (1<<1)
+#define CIO1 (1<<3)
+#define CIO2 (1<<4)
+#define CMD_IO1 (1<<6)
+#define W_ADDR_IO1 ((1)<<12)
+#define R_ADDR_IO2 ((2)<<9)
+#define R_DATA_IO2 ((2)<<15)
+#define W_DATA_IO1 ((1)<<18)
+
+/* Commands */
+#define SPI_C_RSTQIO 0xFF
+
+#define SPI_MAX_TRANSFER_SIZE 256
+
+#endif         /* _RTL838X_SPI_H */
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Kconfig b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Kconfig
new file mode 100644 (file)
index 0000000..f293832
--- /dev/null
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config NET_DSA_RTL83XX
+       tristate "Realtek RTL838x/RTL839x switch support"
+       depends on RTL838X
+       select NET_DSA_TAG_TRAILER
+       ---help---
+         This driver adds support for Realtek RTL83xx series switching.
+
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Makefile b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/Makefile
new file mode 100644 (file)
index 0000000..016184c
--- /dev/null
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_NET_DSA_RTL83XX)  += common.o dsa.o \
+       rtl838x.o rtl839x.o rtl930x.o rtl931x.o debugfs.o qos.o
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c
new file mode 100644 (file)
index 0000000..a380906
--- /dev/null
@@ -0,0 +1,722 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/of_mdio.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+extern struct rtl83xx_soc_info soc_info;
+
+extern const struct rtl838x_reg rtl838x_reg;
+extern const struct rtl838x_reg rtl839x_reg;
+extern const struct rtl838x_reg rtl930x_reg;
+extern const struct rtl838x_reg rtl931x_reg;
+
+extern const struct dsa_switch_ops rtl83xx_switch_ops;
+extern const struct dsa_switch_ops rtl930x_switch_ops;
+
+DEFINE_MUTEX(smi_lock);
+
+int rtl83xx_port_get_stp_state(struct rtl838x_switch_priv *priv, int port)
+{
+       u32 msti = 0;
+       u32 port_state[4];
+       int index, bit;
+       int pos = port;
+       int n = priv->port_width << 1;
+
+       /* Ports above or equal CPU port can never be configured */
+       if (port >= priv->cpu_port)
+               return -1;
+
+       mutex_lock(&priv->reg_mutex);
+
+       /* For the RTL839x and following, the bits are left-aligned in the 64/128 bit field */
+       if (priv->family_id == RTL8390_FAMILY_ID)
+               pos += 12;
+       if (priv->family_id == RTL9300_FAMILY_ID)
+               pos += 3;
+       if (priv->family_id == RTL9310_FAMILY_ID)
+               pos += 8;
+
+       index = n - (pos >> 4) - 1;
+       bit = (pos << 1) % 32;
+
+       priv->r->stp_get(priv, msti, port_state);
+
+       mutex_unlock(&priv->reg_mutex);
+
+       return (port_state[index] >> bit) & 3;
+}
+
+static struct table_reg rtl838x_tbl_regs[] = {
+       TBL_DESC(0x6900, 0x6908, 3, 15, 13, 1),         // RTL8380_TBL_L2
+       TBL_DESC(0x6914, 0x6918, 18, 14, 12, 1),        // RTL8380_TBL_0
+       TBL_DESC(0xA4C8, 0xA4CC, 6, 14, 12, 1),         // RTL8380_TBL_1
+
+       TBL_DESC(0x1180, 0x1184, 3, 16, 14, 0),         // RTL8390_TBL_L2
+       TBL_DESC(0x1190, 0x1194, 17, 15, 12, 0),        // RTL8390_TBL_0
+       TBL_DESC(0x6B80, 0x6B84, 4, 14, 12, 0),         // RTL8390_TBL_1
+       TBL_DESC(0x611C, 0x6120, 9, 8, 6, 0),           // RTL8390_TBL_2
+
+       TBL_DESC(0xB320, 0xB334, 3, 18, 16, 0),         // RTL9300_TBL_L2
+       TBL_DESC(0xB340, 0xB344, 19, 16, 12, 0),        // RTL9300_TBL_0
+       TBL_DESC(0xB3A0, 0xB3A4, 20, 16, 13, 0),        // RTL9300_TBL_1
+       TBL_DESC(0xCE04, 0xCE08, 6, 14, 12, 0),         // RTL9300_TBL_2
+       TBL_DESC(0xD600, 0xD604, 30, 7, 6, 0),          // RTL9300_TBL_HSB
+       TBL_DESC(0x7880, 0x7884, 22, 9, 8, 0),          // RTL9300_TBL_HSA
+
+       TBL_DESC(0x8500, 0x8508, 8, 19, 15, 0),         // RTL9310_TBL_0
+       TBL_DESC(0x40C0, 0x40C4, 22, 16, 14, 0),        // RTL9310_TBL_1
+       TBL_DESC(0x8528, 0x852C, 6, 18, 14, 0),         // RTL9310_TBL_2
+       TBL_DESC(0x0200, 0x0204, 9, 15, 12, 0),         // RTL9310_TBL_3
+       TBL_DESC(0x20dc, 0x20e0, 29, 7, 6, 0),          // RTL9310_TBL_4
+       TBL_DESC(0x7e1c, 0x7e20, 53, 8, 6, 0),          // RTL9310_TBL_5
+};
+
+void rtl_table_init(void)
+{
+       int i;
+
+       for (i = 0; i < RTL_TBL_END; i++)
+               mutex_init(&rtl838x_tbl_regs[i].lock);
+}
+
+/*
+ * Request access to table t in table access register r
+ * Returns a handle to a lock for that table
+ */
+struct table_reg *rtl_table_get(rtl838x_tbl_reg_t r, int t)
+{
+       if (r >= RTL_TBL_END)
+               return NULL;
+
+       if (t >= BIT(rtl838x_tbl_regs[r].c_bit-rtl838x_tbl_regs[r].t_bit))
+               return NULL;
+
+       mutex_lock(&rtl838x_tbl_regs[r].lock);
+       rtl838x_tbl_regs[r].tbl = t;
+
+       return &rtl838x_tbl_regs[r];
+}
+
+/*
+ * Release a table r, unlock the corresponding lock
+ */
+void rtl_table_release(struct table_reg *r)
+{
+       if (!r)
+               return;
+
+//     pr_info("Unlocking %08x\n", (u32)r);
+       mutex_unlock(&r->lock);
+//     pr_info("Unlock done\n");
+}
+
+/*
+ * Reads table index idx into the data registers of the table
+ */
+void rtl_table_read(struct table_reg *r, int idx)
+{
+       u32 cmd = r->rmode ? BIT(r->c_bit) : 0;
+
+       cmd |= BIT(r->c_bit + 1) | (r->tbl << r->t_bit) | (idx & (BIT(r->t_bit) - 1));
+       sw_w32(cmd, r->addr);
+       do { } while (sw_r32(r->addr) & BIT(r->c_bit + 1));
+}
+
+/*
+ * Writes the content of the table data registers into the table at index idx
+ */
+void rtl_table_write(struct table_reg *r, int idx)
+{
+       u32 cmd = r->rmode ? 0 : BIT(r->c_bit);
+
+       cmd |= BIT(r->c_bit + 1) | (r->tbl << r->t_bit) | (idx & (BIT(r->t_bit) - 1));
+       sw_w32(cmd, r->addr);
+       do { } while (sw_r32(r->addr) & BIT(r->c_bit + 1));
+}
+
+/*
+ * Returns the address of the ith data register of table register r
+ * the address is relative to the beginning of the Switch-IO block at 0xbb000000
+ */
+inline u16 rtl_table_data(struct table_reg *r, int i)
+{
+       if (i >= r->max_data)
+               i = r->max_data - 1;
+       return r->data + i * 4;
+}
+
+inline u32 rtl_table_data_r(struct table_reg *r, int i)
+{
+       return sw_r32(rtl_table_data(r, i));
+}
+
+inline void rtl_table_data_w(struct table_reg *r, u32 v, int i)
+{
+       sw_w32(v, rtl_table_data(r, i));
+}
+
+/* Port register accessor functions for the RTL838x and RTL930X SoCs */
+void rtl838x_mask_port_reg(u64 clear, u64 set, int reg)
+{
+       sw_w32_mask((u32)clear, (u32)set, reg);
+}
+
+void rtl838x_set_port_reg(u64 set, int reg)
+{
+       sw_w32((u32)set, reg);
+}
+
+u64 rtl838x_get_port_reg(int reg)
+{
+       return ((u64) sw_r32(reg));
+}
+
+/* Port register accessor functions for the RTL839x and RTL931X SoCs */
+void rtl839x_mask_port_reg_be(u64 clear, u64 set, int reg)
+{
+       sw_w32_mask((u32)(clear >> 32), (u32)(set >> 32), reg);
+       sw_w32_mask((u32)(clear & 0xffffffff), (u32)(set & 0xffffffff), reg + 4);
+}
+
+u64 rtl839x_get_port_reg_be(int reg)
+{
+       u64 v = sw_r32(reg);
+
+       v <<= 32;
+       v |= sw_r32(reg + 4);
+       return v;
+}
+
+void rtl839x_set_port_reg_be(u64 set, int reg)
+{
+       sw_w32(set >> 32, reg);
+       sw_w32(set & 0xffffffff, reg + 4);
+}
+
+void rtl839x_mask_port_reg_le(u64 clear, u64 set, int reg)
+{
+       sw_w32_mask((u32)clear, (u32)set, reg);
+       sw_w32_mask((u32)(clear >> 32), (u32)(set >> 32), reg + 4);
+}
+
+void rtl839x_set_port_reg_le(u64 set, int reg)
+{
+       sw_w32(set, reg);
+       sw_w32(set >> 32, reg + 4);
+}
+
+u64 rtl839x_get_port_reg_le(int reg)
+{
+       u64 v = sw_r32(reg + 4);
+
+       v <<= 32;
+       v |= sw_r32(reg);
+       return v;
+}
+
+int read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_read_phy(port, page, reg, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_read_phy(port, page, reg, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_read_phy(port, page, reg, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_read_phy(port, page, reg, val);
+       }
+       return -1;
+}
+
+int write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_write_phy(port, page, reg, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_write_phy(port, page, reg, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_write_phy(port, page, reg, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_write_phy(port, page, reg, val);
+       }
+       return -1;
+}
+
+static int __init rtl83xx_mdio_probe(struct rtl838x_switch_priv *priv)
+{
+       struct device *dev = priv->dev;
+       struct device_node *dn, *mii_np = dev->of_node;
+       struct mii_bus *bus;
+       int ret;
+       u32 pn;
+
+       pr_debug("In %s\n", __func__);
+       mii_np = of_find_compatible_node(NULL, NULL, "realtek,rtl838x-mdio");
+       if (mii_np) {
+               pr_debug("Found compatible MDIO node!\n");
+       } else {
+               dev_err(priv->dev, "no %s child node found", "mdio-bus");
+               return -ENODEV;
+       }
+
+       priv->mii_bus = of_mdio_find_bus(mii_np);
+       if (!priv->mii_bus) {
+               pr_debug("Deferring probe of mdio bus\n");
+               return -EPROBE_DEFER;
+       }
+       if (!of_device_is_available(mii_np))
+               ret = -ENODEV;
+
+       bus = devm_mdiobus_alloc(priv->ds->dev);
+       if (!bus)
+               return -ENOMEM;
+
+       bus->name = "rtl838x slave mii";
+
+       /*
+        * Since the NIC driver is loaded first, we can use the mdio rw functions
+        * assigned there.
+        */
+       bus->read = priv->mii_bus->read;
+       bus->write = priv->mii_bus->write;
+       snprintf(bus->id, MII_BUS_ID_SIZE, "%s-%d", bus->name, dev->id);
+
+       bus->parent = dev;
+       priv->ds->slave_mii_bus = bus;
+       priv->ds->slave_mii_bus->priv = priv;
+
+       ret = mdiobus_register(priv->ds->slave_mii_bus);
+       if (ret && mii_np) {
+               of_node_put(dn);
+               return ret;
+       }
+
+       dn = mii_np;
+       for_each_node_by_name(dn, "ethernet-phy") {
+               if (of_property_read_u32(dn, "reg", &pn))
+                       continue;
+
+               priv->ports[pn].dp = dsa_to_port(priv->ds, pn);
+
+               // Check for the integrated SerDes of the RTL8380M first
+               if (of_property_read_bool(dn, "phy-is-integrated")
+                       && priv->id == 0x8380 && pn >= 24) {
+                       pr_debug("----> FÓUND A SERDES\n");
+                       priv->ports[pn].phy = PHY_RTL838X_SDS;
+                       continue;
+               }
+
+               if (of_property_read_bool(dn, "phy-is-integrated")
+                       && !of_property_read_bool(dn, "sfp")) {
+                       priv->ports[pn].phy = PHY_RTL8218B_INT;
+                       continue;
+               }
+
+               if (!of_property_read_bool(dn, "phy-is-integrated")
+                       && of_property_read_bool(dn, "sfp")) {
+                       priv->ports[pn].phy = PHY_RTL8214FC;
+                       continue;
+               }
+
+               if (!of_property_read_bool(dn, "phy-is-integrated")
+                       && !of_property_read_bool(dn, "sfp")) {
+                       priv->ports[pn].phy = PHY_RTL8218B_EXT;
+                       continue;
+               }
+       }
+
+       // TODO: Do this needs to come from the .dts, at least the SerDes number
+       if (priv->family_id == RTL9300_FAMILY_ID) {
+               priv->ports[24].is2G5 = true;
+               priv->ports[25].is2G5 = true;
+               priv->ports[24].sds_num = 1;
+               priv->ports[24].sds_num = 2;
+       }
+
+       /* Disable MAC polling the PHY so that we can start configuration */
+       priv->r->set_port_reg_le(0ULL, priv->r->smi_poll_ctrl);
+
+       /* Enable PHY control via SoC */
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               /* Enable SerDes NWAY and PHY control via SoC */
+               sw_w32_mask(BIT(7), BIT(15), RTL838X_SMI_GLB_CTRL);
+       } else {
+               /* Disable PHY polling via SoC */
+               sw_w32_mask(BIT(7), 0, RTL839X_SMI_GLB_CTRL);
+       }
+
+       /* Power on fibre ports and reset them if necessary */
+       if (priv->ports[24].phy == PHY_RTL838X_SDS) {
+               pr_debug("Powering on fibre ports & reset\n");
+               rtl8380_sds_power(24, 1);
+               rtl8380_sds_power(26, 1);
+       }
+
+       // TODO: Only power on SerDes with external PHYs connected
+       if (priv->family_id == RTL9300_FAMILY_ID) {
+               pr_info("RTL9300 Powering on SerDes ports\n");
+               rtl9300_sds_power(24, 1);
+               rtl9300_sds_power(25, 1);
+               rtl9300_sds_power(26, 1);
+               rtl9300_sds_power(27, 1);
+       }
+
+       pr_debug("%s done\n", __func__);
+       return 0;
+}
+
+static int __init rtl83xx_get_l2aging(struct rtl838x_switch_priv *priv)
+{
+       int t = sw_r32(priv->r->l2_ctrl_1);
+
+       t &= priv->family_id == RTL8380_FAMILY_ID ? 0x7fffff : 0x1FFFFF;
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               t = t * 128 / 625; /* Aging time in seconds. 0: L2 aging disabled */
+       else
+               t = (t * 3) / 5;
+
+       pr_debug("L2 AGING time: %d sec\n", t);
+       pr_debug("Dynamic aging for ports: %x\n", sw_r32(priv->r->l2_port_aging_out));
+       return t;
+}
+
+/* Caller must hold priv->reg_mutex */
+int rtl83xx_lag_add(struct dsa_switch *ds, int group, int port)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int i;
+
+       pr_info("%s: Adding port %d to LA-group %d\n", __func__, port, group);
+       if (group >= priv->n_lags) {
+               pr_err("Link Agrregation group too large.\n");
+               return -EINVAL;
+       }
+
+       if (port >= priv->cpu_port) {
+               pr_err("Invalid port number.\n");
+               return -EINVAL;
+       }
+
+       for (i = 0; i < priv->n_lags; i++) {
+               if (priv->lags_port_members[i] & BIT_ULL(i))
+                       break;
+       }
+       if (i != priv->n_lags) {
+               pr_err("%s: Port already member of LAG: %d\n", __func__, i);
+               return -ENOSPC;
+       }
+
+       priv->r->mask_port_reg_be(0, BIT_ULL(port), priv->r->trk_mbr_ctr(group));
+       priv->lags_port_members[group] |= BIT_ULL(port);
+
+       pr_info("lags_port_members %d now %016llx\n", group, priv->lags_port_members[group]);
+       return 0;
+}
+
+/* Caller must hold priv->reg_mutex */
+int rtl83xx_lag_del(struct dsa_switch *ds, int group, int port)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       pr_info("%s: Removing port %d from LA-group %d\n", __func__, port, group);
+
+       if (group >= priv->n_lags) {
+               pr_err("Link Agrregation group too large.\n");
+               return -EINVAL;
+       }
+
+       if (port >= priv->cpu_port) {
+               pr_err("Invalid port number.\n");
+               return -EINVAL;
+       }
+
+
+       if (!(priv->lags_port_members[group] & BIT_ULL(port))) {
+               pr_err("%s: Port not member of LAG: %d\n", __func__, group
+               );
+               return -ENOSPC;
+       }
+
+       priv->r->mask_port_reg_be(BIT_ULL(port), 0, priv->r->trk_mbr_ctr(group));
+       priv->lags_port_members[group] &= ~BIT_ULL(port);
+
+       pr_info("lags_port_members %d now %016llx\n", group, priv->lags_port_members[group]);
+       return 0;
+}
+
+static int rtl83xx_handle_changeupper(struct rtl838x_switch_priv *priv,
+                                     struct net_device *ndev,
+                                     struct netdev_notifier_changeupper_info *info)
+{
+       struct net_device *upper = info->upper_dev;
+       int i, j, err;
+
+       if (!netif_is_lag_master(upper))
+               return 0;
+
+       mutex_lock(&priv->reg_mutex);
+
+       for (i = 0; i < priv->n_lags; i++) {
+               if ((!priv->lag_devs[i]) || (priv->lag_devs[i] == upper))
+                       break;
+       }
+       for (j = 0; j < priv->cpu_port; j++) {
+               if (priv->ports[j].dp->slave == ndev)
+                       break;
+       }
+       if (j >= priv->cpu_port) {
+               err = -EINVAL;
+               goto out;
+       }
+
+       if (info->linking) {
+               if (!priv->lag_devs[i])
+                       priv->lag_devs[i] = upper;
+               err = rtl83xx_lag_add(priv->ds, i, priv->ports[j].dp->index);
+               if (err) {
+                       err = -EINVAL;
+                       goto out;
+               }
+       } else {
+               if (!priv->lag_devs[i])
+                       err = -EINVAL;
+               err = rtl83xx_lag_del(priv->ds, i, priv->ports[j].dp->index);
+               if (err) {
+                       err = -EINVAL;
+                       goto out;
+               }
+               if (!priv->lags_port_members[i])
+                       priv->lag_devs[i] = NULL;
+       }
+
+out:
+       mutex_unlock(&priv->reg_mutex);
+       return 0;
+}
+
+static int rtl83xx_netdevice_event(struct notifier_block *this,
+                                  unsigned long event, void *ptr)
+{
+       struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
+       struct rtl838x_switch_priv *priv;
+       int err;
+
+       pr_debug("In: %s, event: %lu\n", __func__, event);
+
+       if ((event != NETDEV_CHANGEUPPER) && (event != NETDEV_CHANGELOWERSTATE))
+               return NOTIFY_DONE;
+
+       priv = container_of(this, struct rtl838x_switch_priv, nb);
+       switch (event) {
+       case NETDEV_CHANGEUPPER:
+               err = rtl83xx_handle_changeupper(priv, ndev, ptr);
+               break;
+       }
+
+       if (err)
+               return err;
+
+       return NOTIFY_DONE;
+}
+
+static int __init rtl83xx_sw_probe(struct platform_device *pdev)
+{
+       int err = 0, i;
+       struct rtl838x_switch_priv *priv;
+       struct device *dev = &pdev->dev;
+       u64 bpdu_mask;
+
+       pr_debug("Probing RTL838X switch device\n");
+       if (!pdev->dev.of_node) {
+               dev_err(dev, "No DT found\n");
+               return -EINVAL;
+       }
+
+       // Initialize access to RTL switch tables
+       rtl_table_init();
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->ds = dsa_switch_alloc(dev, DSA_MAX_PORTS);
+
+       if (!priv->ds)
+               return -ENOMEM;
+       priv->ds->dev = dev;
+       priv->ds->priv = priv;
+       priv->ds->ops = &rtl83xx_switch_ops;
+       priv->dev = dev;
+
+       priv->family_id = soc_info.family;
+       priv->id = soc_info.id;
+       switch(soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               priv->ds->ops = &rtl83xx_switch_ops;
+               priv->cpu_port = RTL838X_CPU_PORT;
+               priv->port_mask = 0x1f;
+               priv->port_width = 1;
+               priv->irq_mask = 0x0FFFFFFF;
+               priv->r = &rtl838x_reg;
+               priv->ds->num_ports = 29;
+               priv->fib_entries = 8192;
+               rtl8380_get_version(priv);
+               priv->n_lags = 8;
+               priv->l2_bucket_size = 4;
+               break;
+       case RTL8390_FAMILY_ID:
+               priv->ds->ops = &rtl83xx_switch_ops;
+               priv->cpu_port = RTL839X_CPU_PORT;
+               priv->port_mask = 0x3f;
+               priv->port_width = 2;
+               priv->irq_mask = 0xFFFFFFFFFFFFFULL;
+               priv->r = &rtl839x_reg;
+               priv->ds->num_ports = 53;
+               priv->fib_entries = 16384;
+               rtl8390_get_version(priv);
+               priv->n_lags = 16;
+               priv->l2_bucket_size = 4;
+               break;
+       case RTL9300_FAMILY_ID:
+               priv->ds->ops = &rtl930x_switch_ops;
+               priv->cpu_port = RTL930X_CPU_PORT;
+               priv->port_mask = 0x1f;
+               priv->port_width = 1;
+               priv->irq_mask = 0x0FFFFFFF;
+               priv->r = &rtl930x_reg;
+               priv->ds->num_ports = 29;
+               priv->fib_entries = 16384;
+               priv->version = RTL8390_VERSION_A;
+               priv->n_lags = 16;
+               sw_w32(1, RTL930X_ST_CTRL);
+               priv->l2_bucket_size = 8;
+               break;
+       case RTL9310_FAMILY_ID:
+               priv->ds->ops = &rtl930x_switch_ops;
+               priv->cpu_port = RTL931X_CPU_PORT;
+               priv->port_mask = 0x3f;
+               priv->port_width = 2;
+               priv->irq_mask = 0xFFFFFFFFFFFFFULL;
+               priv->r = &rtl931x_reg;
+               priv->ds->num_ports = 57;
+               priv->fib_entries = 16384;
+               priv->version = RTL8390_VERSION_A;
+               priv->n_lags = 16;
+               priv->l2_bucket_size = 8;
+               break;
+       }
+       pr_debug("Chip version %c\n", priv->version);
+
+       err = rtl83xx_mdio_probe(priv);
+       if (err) {
+               /* Probing fails the 1st time because of missing ethernet driver
+                * initialization. Use this to disable traffic in case the bootloader left if on
+                */
+               return err;
+       }
+       err = dsa_register_switch(priv->ds);
+       if (err) {
+               dev_err(dev, "Error registering switch: %d\n", err);
+               return err;
+       }
+
+       /* Enable link and media change interrupts. Are the SERDES masks needed? */
+       sw_w32_mask(0, 3, priv->r->isr_glb_src);
+
+       priv->r->set_port_reg_le(priv->irq_mask, priv->r->isr_port_link_sts_chg);
+       priv->r->set_port_reg_le(priv->irq_mask, priv->r->imr_port_link_sts_chg);
+
+       priv->link_state_irq = platform_get_irq(pdev, 0);
+       pr_info("LINK state irq: %d\n", priv->link_state_irq);
+       switch (priv->family_id) {
+       case RTL8380_FAMILY_ID:
+               err = request_irq(priv->link_state_irq, rtl838x_switch_irq,
+                               IRQF_SHARED, "rtl838x-link-state", priv->ds);
+               break;
+       case RTL8390_FAMILY_ID:
+               err = request_irq(priv->link_state_irq, rtl839x_switch_irq,
+                               IRQF_SHARED, "rtl839x-link-state", priv->ds);
+               break;
+       case RTL9300_FAMILY_ID:
+               err = request_irq(priv->link_state_irq, rtl930x_switch_irq,
+                               IRQF_SHARED, "rtl930x-link-state", priv->ds);
+               break;
+       case RTL9310_FAMILY_ID:
+               err = request_irq(priv->link_state_irq, rtl931x_switch_irq,
+                               IRQF_SHARED, "rtl931x-link-state", priv->ds);
+               break;
+       }
+       if (err) {
+               dev_err(dev, "Error setting up switch interrupt.\n");
+               /* Need to free allocated switch here */
+       }
+
+       /* Enable interrupts for switch, on RTL931x, the IRQ is always on globally */
+       if (soc_info.family != RTL9310_FAMILY_ID)
+               sw_w32(0x1, priv->r->imr_glb);
+
+       rtl83xx_get_l2aging(priv);
+
+       rtl83xx_setup_qos(priv);
+
+       /* Clear all destination ports for mirror groups */
+       for (i = 0; i < 4; i++)
+               priv->mirror_group_ports[i] = -1;
+
+       priv->nb.notifier_call = rtl83xx_netdevice_event;
+               if (register_netdevice_notifier(&priv->nb)) {
+                       priv->nb.notifier_call = NULL;
+                       dev_err(dev, "Failed to register LAG netdev notifier\n");
+       }
+
+       // Flood BPDUs to all ports including cpu-port
+       if (soc_info.family != RTL9300_FAMILY_ID) { // TODO: Port this functionality
+               bpdu_mask = soc_info.family == RTL8380_FAMILY_ID ? 0x1FFFFFFF : 0x1FFFFFFFFFFFFF;
+               priv->r->set_port_reg_be(bpdu_mask, priv->r->rma_bpdu_fld_pmask);
+
+               // TRAP 802.1X frames (EAPOL) to the CPU-Port, bypass STP and VLANs
+               sw_w32(7, priv->r->spcl_trap_eapol_ctrl);
+
+               rtl838x_dbgfs_init(priv);
+       }
+
+       return err;
+}
+
+static int rtl83xx_sw_remove(struct platform_device *pdev)
+{
+       // TODO:
+       pr_debug("Removing platform driver for rtl83xx-sw\n");
+       return 0;
+}
+
+static const struct of_device_id rtl83xx_switch_of_ids[] = {
+       { .compatible = "realtek,rtl83xx-switch"},
+       { /* sentinel */ }
+};
+
+
+MODULE_DEVICE_TABLE(of, rtl83xx_switch_of_ids);
+
+static struct platform_driver rtl83xx_switch_driver = {
+       .probe = rtl83xx_sw_probe,
+       .remove = rtl83xx_sw_remove,
+       .driver = {
+               .name = "rtl83xx-switch",
+               .pm = NULL,
+               .of_match_table = rtl83xx_switch_of_ids,
+       },
+};
+
+module_platform_driver(rtl83xx_switch_driver);
+
+MODULE_AUTHOR("B. Koblitz");
+MODULE_DESCRIPTION("RTL83XX SoC Switch Driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/debugfs.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/debugfs.c
new file mode 100644 (file)
index 0000000..4f81408
--- /dev/null
@@ -0,0 +1,476 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/debugfs.h>
+#include <linux/kernel.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+#define RTL838X_DRIVER_NAME "rtl838x"
+
+#define RTL8380_LED_GLB_CTRL                   (0xA000)
+#define RTL8380_LED_MODE_SEL                   (0x1004)
+#define RTL8380_LED_MODE_CTRL                  (0xA004)
+#define RTL8380_LED_P_EN_CTRL                  (0xA008)
+#define RTL8380_LED_SW_CTRL                    (0xA00C)
+#define RTL8380_LED0_SW_P_EN_CTRL              (0xA010)
+#define RTL8380_LED1_SW_P_EN_CTRL              (0xA014)
+#define RTL8380_LED2_SW_P_EN_CTRL              (0xA018)
+#define RTL8380_LED_SW_P_CTRL(p)               (0xA01C + (((p) << 2)))
+
+#define RTL8390_LED_GLB_CTRL                   (0x00E4)
+#define RTL8390_LED_SET_2_3_CTRL               (0x00E8)
+#define RTL8390_LED_SET_0_1_CTRL               (0x00EC)
+#define RTL8390_LED_COPR_SET_SEL_CTRL(p)       (0x00F0 + (((p >> 4) << 2)))
+#define RTL8390_LED_FIB_SET_SEL_CTRL(p)                (0x0100 + (((p >> 4) << 2)))
+#define RTL8390_LED_COPR_PMASK_CTRL(p)         (0x0110 + (((p >> 5) << 2)))
+#define RTL8390_LED_FIB_PMASK_CTRL(p)          (0x00118 + (((p >> 5) << 2)))
+#define RTL8390_LED_COMBO_CTRL(p)              (0x0120 + (((p >> 5) << 2)))
+#define RTL8390_LED_SW_CTRL                    (0x0128)
+#define RTL8390_LED_SW_P_EN_CTRL(p)            (0x012C + (((p / 10) << 2)))
+#define RTL8390_LED_SW_P_CTRL(p)               (0x0144 + (((p) << 2)))
+
+#define RTL838X_MIR_QID_CTRL(grp)              (0xAD44 + (((grp) << 2)))
+#define RTL838X_MIR_RSPAN_VLAN_CTRL(grp)       (0xA340 + (((grp) << 2)))
+#define RTL838X_MIR_RSPAN_VLAN_CTRL_MAC(grp)   (0xAA70 + (((grp) << 2)))
+#define RTL838X_MIR_RSPAN_TX_CTRL              (0xA350)
+#define RTL838X_MIR_RSPAN_TX_TAG_RM_CTRL       (0xAA80)
+#define RTL838X_MIR_RSPAN_TX_TAG_EN_CTRL       (0xAA84)
+#define RTL839X_MIR_RSPAN_VLAN_CTRL(grp)       (0xA340 + (((grp) << 2)))
+#define RTL839X_MIR_RSPAN_TX_CTRL              (0x69b0)
+#define RTL839X_MIR_RSPAN_TX_TAG_RM_CTRL       (0x2550)
+#define RTL839X_MIR_RSPAN_TX_TAG_EN_CTRL       (0x2554)
+#define RTL839X_MIR_SAMPLE_RATE_CTRL                (0x2558)
+
+int rtl83xx_port_get_stp_state(struct rtl838x_switch_priv *priv, int port);
+void rtl83xx_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
+void rtl83xx_fast_age(struct dsa_switch *ds, int port);
+u32 rtl838x_get_egress_rate(struct rtl838x_switch_priv *priv, int port);
+u32 rtl839x_get_egress_rate(struct rtl838x_switch_priv *priv, int port);
+int rtl838x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate);
+int rtl839x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate);
+
+static ssize_t rtl838x_common_read(char __user *buffer, size_t count,
+                                       loff_t *ppos, unsigned int value)
+{
+       char *buf;
+       ssize_t len;
+
+       if (*ppos != 0)
+               return 0;
+
+       buf = kasprintf(GFP_KERNEL, "0x%08x\n", value);
+       if (!buf)
+               return -ENOMEM;
+
+       if (count < strlen(buf)) {
+               kfree(buf);
+               return -ENOSPC;
+       }
+
+       len = simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
+       kfree(buf);
+
+       return len;
+}
+
+static ssize_t rtl838x_common_write(const char __user *buffer, size_t count,
+                                loff_t *ppos, unsigned int *value)
+{
+       char b[32];
+       ssize_t len;
+       int ret;
+
+       if (*ppos != 0)
+               return -EINVAL;
+
+       if (count >= sizeof(b))
+               return -ENOSPC;
+
+       len = simple_write_to_buffer(b, sizeof(b) - 1, ppos,
+                                    buffer, count);
+       if (len < 0)
+               return len;
+
+       b[len] = '\0';
+       ret = kstrtouint(b, 16, value);
+       if (ret)
+               return -EIO;
+
+       return len;
+}
+
+static ssize_t stp_state_read(struct file *filp, char __user *buffer, size_t count,
+                            loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       struct dsa_switch *ds = p->dp->ds;
+       int value = rtl83xx_port_get_stp_state(ds->priv, p->dp->index);
+
+       if (value < 0)
+               return -EINVAL;
+
+       return rtl838x_common_read(buffer, count, ppos, (u32)value);
+}
+
+static ssize_t stp_state_write(struct file *filp, const char __user *buffer,
+                               size_t count, loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       u32 value;
+       size_t res = rtl838x_common_write(buffer, count, ppos, &value);
+       if (res < 0)
+               return res;
+
+       rtl83xx_port_stp_state_set(p->dp->ds, p->dp->index, (u8)value);
+
+       return res;
+}
+
+static const struct file_operations stp_state_fops = {
+       .owner = THIS_MODULE,
+       .open = simple_open,
+       .read = stp_state_read,
+       .write = stp_state_write,
+};
+
+static ssize_t age_out_read(struct file *filp, char __user *buffer, size_t count,
+                            loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       struct dsa_switch *ds = p->dp->ds;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int value = sw_r32(priv->r->l2_port_aging_out);
+
+       if (value < 0)
+               return -EINVAL;
+
+       return rtl838x_common_read(buffer, count, ppos, (u32)value);
+}
+
+static ssize_t age_out_write(struct file *filp, const char __user *buffer,
+                               size_t count, loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       u32 value;
+       size_t res = rtl838x_common_write(buffer, count, ppos, &value);
+       if (res < 0)
+               return res;
+
+       rtl83xx_fast_age(p->dp->ds, p->dp->index);
+
+       return res;
+}
+
+static const struct file_operations age_out_fops = {
+       .owner = THIS_MODULE,
+       .open = simple_open,
+       .read = age_out_read,
+       .write = age_out_write,
+};
+
+static ssize_t port_egress_rate_read(struct file *filp, char __user *buffer, size_t count,
+                               loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       struct dsa_switch *ds = p->dp->ds;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int value;
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               value = rtl838x_get_egress_rate(priv, p->dp->index);
+       else
+               value = rtl839x_get_egress_rate(priv, p->dp->index);
+
+       if (value < 0)
+               return -EINVAL;
+
+       return rtl838x_common_read(buffer, count, ppos, (u32)value);
+}
+
+static ssize_t port_egress_rate_write(struct file *filp, const char __user *buffer,
+                               size_t count, loff_t *ppos)
+{
+       struct rtl838x_port *p = filp->private_data;
+       struct dsa_switch *ds = p->dp->ds;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u32 value;
+       size_t res = rtl838x_common_write(buffer, count, ppos, &value);
+       if (res < 0)
+               return res;
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               rtl838x_set_egress_rate(priv, p->dp->index, value);
+       else
+               rtl839x_set_egress_rate(priv, p->dp->index, value);
+
+       return res;
+}
+
+static const struct file_operations port_egress_fops = {
+       .owner = THIS_MODULE,
+       .open = simple_open,
+       .read = port_egress_rate_read,
+       .write = port_egress_rate_write,
+};
+
+
+static const struct debugfs_reg32 port_ctrl_regs[] = {
+       { .name = "port_isolation", .offset = RTL838X_PORT_ISO_CTRL(0), },
+       { .name = "mac_force_mode", .offset = RTL838X_MAC_FORCE_MODE_CTRL, },
+};
+
+void rtl838x_dbgfs_cleanup(struct rtl838x_switch_priv *priv)
+{
+       debugfs_remove_recursive(priv->dbgfs_dir);
+
+//     kfree(priv->dbgfs_entries);
+}
+
+static int rtl838x_dbgfs_port_init(struct dentry *parent, struct rtl838x_switch_priv *priv,
+                                  int port)
+{
+       struct dentry *port_dir;
+       struct debugfs_regset32 *port_ctrl_regset;
+
+       port_dir = debugfs_create_dir(priv->ports[port].dp->name, parent);
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               debugfs_create_x32("storm_rate_uc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_UC(port)));
+
+               debugfs_create_x32("storm_rate_mc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_MC(port)));
+
+               debugfs_create_x32("storm_rate_bc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_BC(port)));
+
+               debugfs_create_x32("vlan_port_tag_sts_ctrl", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_VLAN_PORT_TAG_STS_CTRL 
+                               + (port << 2)));
+       } else {
+               debugfs_create_x32("storm_rate_uc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_STORM_CTRL_PORT_UC_0(port)));
+
+               debugfs_create_x32("storm_rate_mc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_STORM_CTRL_PORT_MC_0(port)));
+
+               debugfs_create_x32("storm_rate_bc", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_STORM_CTRL_PORT_BC_0(port)));
+
+               debugfs_create_x32("vlan_port_tag_sts_ctrl", 0644, port_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_VLAN_PORT_TAG_STS_CTRL
+                               + (port << 2)));
+       }
+
+       debugfs_create_u32("id", 0444, port_dir, (u32 *)&priv->ports[port].dp->index);
+
+       port_ctrl_regset = devm_kzalloc(priv->dev, sizeof(*port_ctrl_regset), GFP_KERNEL);
+       if (!port_ctrl_regset)
+               return -ENOMEM;
+
+       port_ctrl_regset->regs = port_ctrl_regs;
+       port_ctrl_regset->nregs = ARRAY_SIZE(port_ctrl_regs);
+       port_ctrl_regset->base = (void *)(RTL838X_SW_BASE + (port << 2));
+       debugfs_create_regset32("port_ctrl", 0400, port_dir, port_ctrl_regset);
+
+       debugfs_create_file("stp_state", 0600, port_dir, &priv->ports[port], &stp_state_fops);
+       debugfs_create_file("age_out", 0600, port_dir, &priv->ports[port], &age_out_fops);
+       debugfs_create_file("port_egress_rate", 0600, port_dir, &priv->ports[port],
+                           &port_egress_fops);
+       return 0;
+}
+
+static int rtl838x_dbgfs_leds(struct dentry *parent, struct rtl838x_switch_priv *priv)
+{
+       struct dentry *led_dir;
+       int p;
+       char led_sw_p_ctrl_name[20];
+       char port_led_name[20];
+
+       led_dir = debugfs_create_dir("led", parent);
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               debugfs_create_x32("led_glb_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_GLB_CTRL));
+               debugfs_create_x32("led_mode_sel", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_MODE_SEL));
+               debugfs_create_x32("led_mode_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_MODE_CTRL));
+               debugfs_create_x32("led_p_en_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_P_EN_CTRL));
+               debugfs_create_x32("led_sw_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_SW_CTRL));
+               debugfs_create_x32("led0_sw_p_en_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED0_SW_P_EN_CTRL));
+               debugfs_create_x32("led1_sw_p_en_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED1_SW_P_EN_CTRL));
+               debugfs_create_x32("led2_sw_p_en_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED2_SW_P_EN_CTRL));
+               for (p = 0; p < 28; p++) {
+                       snprintf(led_sw_p_ctrl_name, sizeof(led_sw_p_ctrl_name),
+                                "led_sw_p_ctrl.%02d", p);
+                       debugfs_create_x32(led_sw_p_ctrl_name, 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8380_LED_SW_P_CTRL(p)));
+               }
+       } else if (priv->family_id == RTL8390_FAMILY_ID) {
+               debugfs_create_x32("led_glb_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_GLB_CTRL));
+               debugfs_create_x32("led_set_2_3", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_SET_2_3_CTRL));
+               debugfs_create_x32("led_set_0_1", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_SET_0_1_CTRL));
+               for (p = 0; p < 4; p++) {
+                       snprintf(port_led_name, sizeof(port_led_name), "led_copr_set_sel.%1d", p);
+                       debugfs_create_x32(port_led_name, 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_COPR_SET_SEL_CTRL(p << 4)));
+                       snprintf(port_led_name, sizeof(port_led_name), "led_fib_set_sel.%1d", p);
+                       debugfs_create_x32(port_led_name, 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_FIB_SET_SEL_CTRL(p << 4)));
+               }
+               debugfs_create_x32("led_copr_pmask_ctrl_0", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_COPR_PMASK_CTRL(0)));
+               debugfs_create_x32("led_copr_pmask_ctrl_1", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_COPR_PMASK_CTRL(32)));
+               debugfs_create_x32("led_fib_pmask_ctrl_0", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_FIB_PMASK_CTRL(0)));
+               debugfs_create_x32("led_fib_pmask_ctrl_1", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_FIB_PMASK_CTRL(32)));
+               debugfs_create_x32("led_combo_ctrl_0", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_COMBO_CTRL(0)));
+               debugfs_create_x32("led_combo_ctrl_1", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_COMBO_CTRL(32)));
+               debugfs_create_x32("led_sw_ctrl", 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_SW_CTRL));
+               for (p = 0; p < 5; p++) {
+                       snprintf(port_led_name, sizeof(port_led_name), "led_sw_p_en_ctrl.%1d", p);
+                       debugfs_create_x32(port_led_name, 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_SW_P_EN_CTRL(p * 10)));
+               }
+               for (p = 0; p < 28; p++) {
+                       snprintf(port_led_name, sizeof(port_led_name), "led_sw_p_ctrl.%02d", p);
+                       debugfs_create_x32(port_led_name, 0644, led_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL8390_LED_SW_P_CTRL(p)));
+               }
+       }
+       return 0;
+}
+
+void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv)
+{
+       struct dentry *rtl838x_dir;
+       struct dentry *port_dir;
+       struct dentry *mirror_dir;
+       struct debugfs_regset32 *port_ctrl_regset;
+       int ret, i;
+       char lag_name[10];
+       char mirror_name[10];
+
+       pr_info("%s called\n", __func__);
+       rtl838x_dir = debugfs_lookup(RTL838X_DRIVER_NAME, NULL);
+       if (!rtl838x_dir)
+               rtl838x_dir = debugfs_create_dir(RTL838X_DRIVER_NAME, NULL);
+
+       priv->dbgfs_dir = rtl838x_dir;
+
+       debugfs_create_u32("soc", 0444, rtl838x_dir,
+                          (u32 *)(RTL838X_SW_BASE + RTL838X_MODEL_NAME_INFO));
+
+       /* Create one directory per port */
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy) {
+                       ret = rtl838x_dbgfs_port_init(rtl838x_dir, priv, i);
+                       if (ret)
+                               goto err;
+               }
+       }
+
+       /* Create directory for CPU-port */
+       port_dir = debugfs_create_dir("cpu_port", rtl838x_dir);
+       port_ctrl_regset = devm_kzalloc(priv->dev, sizeof(*port_ctrl_regset), GFP_KERNEL);
+       if (!port_ctrl_regset) {
+               ret = -ENOMEM;
+               goto err;
+       }
+
+       port_ctrl_regset->regs = port_ctrl_regs;
+       port_ctrl_regset->nregs = ARRAY_SIZE(port_ctrl_regs);
+       port_ctrl_regset->base = (void *)(RTL838X_SW_BASE + (priv->cpu_port << 2));
+       debugfs_create_regset32("port_ctrl", 0400, port_dir, port_ctrl_regset);
+       debugfs_create_u8("id", 0444, port_dir, &priv->cpu_port);
+
+       /* Create entries for LAGs */
+       for (i = 0; i < priv->n_lags; i++) {
+               snprintf(lag_name, sizeof(lag_name), "lag.%02d", i);
+               if (priv->family_id == RTL8380_FAMILY_ID)
+                       debugfs_create_x32(lag_name, 0644, rtl838x_dir,
+                               (u32 *)(RTL838X_SW_BASE + priv->r->trk_mbr_ctr(i)));
+               else
+                       debugfs_create_x64(lag_name, 0644, rtl838x_dir,
+                               (u64 *)(RTL838X_SW_BASE + priv->r->trk_mbr_ctr(i)));
+       }
+
+       /* Create directories for mirror groups */
+       for (i = 0; i < 4; i++) {
+               snprintf(mirror_name, sizeof(mirror_name), "mirror.%1d", i);
+               mirror_dir = debugfs_create_dir(mirror_name, rtl838x_dir);
+               if (priv->family_id == RTL8380_FAMILY_ID) {
+                       debugfs_create_x32("ctrl", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_CTRL + i * 4));
+                       debugfs_create_x32("ingress_pm", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + priv->r->mir_spm + i * 4));
+                       debugfs_create_x32("egress_pm", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + priv->r->mir_dpm + i * 4));
+                       debugfs_create_x32("qid", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_QID_CTRL(i)));
+                       debugfs_create_x32("rspan_vlan", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_RSPAN_VLAN_CTRL(i)));
+                       debugfs_create_x32("rspan_vlan_mac", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_RSPAN_VLAN_CTRL_MAC(i)));
+                       debugfs_create_x32("rspan_tx", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_RSPAN_TX_CTRL));
+                       debugfs_create_x32("rspan_tx_tag_rm", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_RSPAN_TX_TAG_RM_CTRL));
+                       debugfs_create_x32("rspan_tx_tag_en", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_MIR_RSPAN_TX_TAG_EN_CTRL));
+               } else {
+                       debugfs_create_x32("ctrl", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_MIR_CTRL + i * 4));
+                       debugfs_create_x64("ingress_pm", 0644, mirror_dir,
+                               (u64 *)(RTL838X_SW_BASE + priv->r->mir_spm + i * 8));
+                       debugfs_create_x64("egress_pm", 0644, mirror_dir,
+                               (u64 *)(RTL838X_SW_BASE + priv->r->mir_dpm + i * 8));
+                       debugfs_create_x32("rspan_vlan", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_MIR_RSPAN_VLAN_CTRL(i)));
+                       debugfs_create_x32("rspan_tx", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_MIR_RSPAN_TX_CTRL));
+                       debugfs_create_x32("rspan_tx_tag_rm", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_MIR_RSPAN_TX_TAG_RM_CTRL));
+                       debugfs_create_x32("rspan_tx_tag_en", 0644, mirror_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_MIR_RSPAN_TX_TAG_EN_CTRL));
+                       debugfs_create_x64("sample_rate", 0644, mirror_dir,
+                               (u64 *)(RTL838X_SW_BASE + RTL839X_MIR_SAMPLE_RATE_CTRL));
+               }
+       }
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               debugfs_create_x32("bpdu_flood_mask", 0644, rtl838x_dir,
+                               (u32 *)(RTL838X_SW_BASE + priv->r->rma_bpdu_fld_pmask));
+       else
+               debugfs_create_x64("bpdu_flood_mask", 0644, rtl838x_dir,
+                               (u64 *)(RTL838X_SW_BASE + priv->r->rma_bpdu_fld_pmask));
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               debugfs_create_x32("vlan_ctrl", 0644, rtl838x_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL838X_VLAN_CTRL));
+       else
+               debugfs_create_x32("vlan_ctrl", 0644, rtl838x_dir,
+                               (u32 *)(RTL838X_SW_BASE + RTL839X_VLAN_CTRL));
+
+       ret = rtl838x_dbgfs_leds(rtl838x_dir, priv);
+       if (ret)
+               goto err;
+
+       return;
+err:
+       rtl838x_dbgfs_cleanup(priv);
+}
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
new file mode 100644 (file)
index 0000000..c2a230c
--- /dev/null
@@ -0,0 +1,1587 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <net/dsa.h>
+#include <linux/if_bridge.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+
+extern struct rtl83xx_soc_info soc_info;
+
+
+static void rtl83xx_init_stats(struct rtl838x_switch_priv *priv)
+{
+       mutex_lock(&priv->reg_mutex);
+
+       /* Enable statistics module: all counters plus debug.
+        * On RTL839x all counters are enabled by default
+        */
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               sw_w32_mask(0, 3, RTL838X_STAT_CTRL);
+
+       /* Reset statistics counters */
+       sw_w32_mask(0, 1, priv->r->stat_rst);
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+static void rtl83xx_enable_phy_polling(struct rtl838x_switch_priv *priv)
+{
+       int i;
+       u64 v = 0;
+
+       msleep(1000);
+       /* Enable all ports with a PHY, including the SFP-ports */
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy)
+                       v |= BIT_ULL(i);
+       }
+
+       pr_debug("%s: %16llx\n", __func__, v);
+       priv->r->set_port_reg_le(v, priv->r->smi_poll_ctrl);
+
+       /* PHY update complete, there is no global PHY polling enable bit on the 9300 */
+       if (priv->family_id == RTL8390_FAMILY_ID)
+               sw_w32_mask(0, BIT(7), RTL839X_SMI_GLB_CTRL);
+       else if(priv->family_id == RTL9300_FAMILY_ID)
+               sw_w32_mask(0, 0x8000, RTL838X_SMI_GLB_CTRL);
+}
+
+const struct rtl83xx_mib_desc rtl83xx_mib[] = {
+       MIB_DESC(2, 0xf8, "ifInOctets"),
+       MIB_DESC(2, 0xf0, "ifOutOctets"),
+       MIB_DESC(1, 0xec, "dot1dTpPortInDiscards"),
+       MIB_DESC(1, 0xe8, "ifInUcastPkts"),
+       MIB_DESC(1, 0xe4, "ifInMulticastPkts"),
+       MIB_DESC(1, 0xe0, "ifInBroadcastPkts"),
+       MIB_DESC(1, 0xdc, "ifOutUcastPkts"),
+       MIB_DESC(1, 0xd8, "ifOutMulticastPkts"),
+       MIB_DESC(1, 0xd4, "ifOutBroadcastPkts"),
+       MIB_DESC(1, 0xd0, "ifOutDiscards"),
+       MIB_DESC(1, 0xcc, ".3SingleCollisionFrames"),
+       MIB_DESC(1, 0xc8, ".3MultipleCollisionFrames"),
+       MIB_DESC(1, 0xc4, ".3DeferredTransmissions"),
+       MIB_DESC(1, 0xc0, ".3LateCollisions"),
+       MIB_DESC(1, 0xbc, ".3ExcessiveCollisions"),
+       MIB_DESC(1, 0xb8, ".3SymbolErrors"),
+       MIB_DESC(1, 0xb4, ".3ControlInUnknownOpcodes"),
+       MIB_DESC(1, 0xb0, ".3InPauseFrames"),
+       MIB_DESC(1, 0xac, ".3OutPauseFrames"),
+       MIB_DESC(1, 0xa8, "DropEvents"),
+       MIB_DESC(1, 0xa4, "tx_BroadcastPkts"),
+       MIB_DESC(1, 0xa0, "tx_MulticastPkts"),
+       MIB_DESC(1, 0x9c, "CRCAlignErrors"),
+       MIB_DESC(1, 0x98, "tx_UndersizePkts"),
+       MIB_DESC(1, 0x94, "rx_UndersizePkts"),
+       MIB_DESC(1, 0x90, "rx_UndersizedropPkts"),
+       MIB_DESC(1, 0x8c, "tx_OversizePkts"),
+       MIB_DESC(1, 0x88, "rx_OversizePkts"),
+       MIB_DESC(1, 0x84, "Fragments"),
+       MIB_DESC(1, 0x80, "Jabbers"),
+       MIB_DESC(1, 0x7c, "Collisions"),
+       MIB_DESC(1, 0x78, "tx_Pkts64Octets"),
+       MIB_DESC(1, 0x74, "rx_Pkts64Octets"),
+       MIB_DESC(1, 0x70, "tx_Pkts65to127Octets"),
+       MIB_DESC(1, 0x6c, "rx_Pkts65to127Octets"),
+       MIB_DESC(1, 0x68, "tx_Pkts128to255Octets"),
+       MIB_DESC(1, 0x64, "rx_Pkts128to255Octets"),
+       MIB_DESC(1, 0x60, "tx_Pkts256to511Octets"),
+       MIB_DESC(1, 0x5c, "rx_Pkts256to511Octets"),
+       MIB_DESC(1, 0x58, "tx_Pkts512to1023Octets"),
+       MIB_DESC(1, 0x54, "rx_Pkts512to1023Octets"),
+       MIB_DESC(1, 0x50, "tx_Pkts1024to1518Octets"),
+       MIB_DESC(1, 0x4c, "rx_StatsPkts1024to1518Octets"),
+       MIB_DESC(1, 0x48, "tx_Pkts1519toMaxOctets"),
+       MIB_DESC(1, 0x44, "rx_Pkts1519toMaxOctets"),
+       MIB_DESC(1, 0x40, "rxMacDiscards")
+};
+
+
+/* DSA callbacks */
+
+
+static enum dsa_tag_protocol rtl83xx_get_tag_protocol(struct dsa_switch *ds, int port)
+{
+       /* The switch does not tag the frames, instead internally the header
+        * structure for each packet is tagged accordingly.
+        */
+       return DSA_TAG_PROTO_TRAILER;
+}
+
+/*
+ * Initialize all VLANS
+ */
+static void rtl83xx_vlan_setup(struct rtl838x_switch_priv *priv)
+{
+       struct rtl838x_vlan_info info;
+       int i;
+
+       pr_info("In %s\n", __func__);
+
+       priv->r->vlan_profile_setup(0);
+       priv->r->vlan_profile_setup(1);
+       pr_info("UNKNOWN_MC_PMASK: %016llx\n", priv->r->read_mcast_pmask(UNKNOWN_MC_PMASK));
+       priv->r->vlan_profile_dump(0);
+
+       info.fid = 0;                   // Default Forwarding ID / MSTI
+       info.hash_uc_fid = false;       // Do not build the L2 lookup hash with FID, but VID
+       info.hash_mc_fid = false;       // Do the same for Multicast packets
+       info.profile_id = 0;            // Use default Vlan Profile 0
+       info.tagged_ports = 0;          // Initially no port members
+
+       // Initialize all vlans 0-4095
+       for (i = 0; i < MAX_VLANS; i ++)
+               priv->r->vlan_set_tagged(i, &info);
+
+       // reset PVIDs; defaults to 1 on reset
+       for (i = 0; i <= priv->ds->num_ports; i++)
+               sw_w32(0, priv->r->vlan_port_pb + (i << 2));
+
+       // Set forwarding action based on inner VLAN tag
+       for (i = 0; i < priv->cpu_port; i++)
+               priv->r->vlan_fwd_on_inner(i, true);
+}
+
+static int rtl83xx_setup(struct dsa_switch *ds)
+{
+       int i;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 port_bitmap = BIT_ULL(priv->cpu_port);
+
+       pr_debug("%s called\n", __func__);
+
+       /* Disable MAC polling the PHY so that we can start configuration */
+       priv->r->set_port_reg_le(0ULL, priv->r->smi_poll_ctrl);
+
+       for (i = 0; i < ds->num_ports; i++)
+               priv->ports[i].enable = false;
+       priv->ports[priv->cpu_port].enable = true;
+
+       /* Isolate ports from each other: traffic only CPU <-> port */
+       /* Setting bit j in register RTL838X_PORT_ISO_CTRL(i) allows
+        * traffic from source port i to destination port j
+        */
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy) {
+                       priv->r->set_port_reg_be(BIT_ULL(priv->cpu_port) | BIT_ULL(i),
+                                             priv->r->port_iso_ctrl(i));
+                       port_bitmap |= BIT_ULL(i);
+               }
+       }
+       priv->r->set_port_reg_be(port_bitmap, priv->r->port_iso_ctrl(priv->cpu_port));
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               rtl838x_print_matrix();
+       else
+               rtl839x_print_matrix();
+
+       rtl83xx_init_stats(priv);
+
+       rtl83xx_vlan_setup(priv);
+
+       ds->configure_vlan_while_not_filtering = true;
+
+       /* Enable MAC Polling PHY again */
+       rtl83xx_enable_phy_polling(priv);
+       pr_debug("Please wait until PHY is settled\n");
+       msleep(1000);
+       return 0;
+}
+
+static int rtl930x_setup(struct dsa_switch *ds)
+{
+       int i;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u32 port_bitmap = BIT(priv->cpu_port);
+
+       pr_info("%s called\n", __func__);
+
+       // Enable CSTI STP mode
+//     sw_w32(1, RTL930X_ST_CTRL);
+
+       /* Disable MAC polling the PHY so that we can start configuration */
+       sw_w32(0, RTL930X_SMI_POLL_CTRL);
+
+       // Disable all ports except CPU port
+       for (i = 0; i < ds->num_ports; i++)
+               priv->ports[i].enable = false;
+       priv->ports[priv->cpu_port].enable = true;
+
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy) {
+                       priv->r->traffic_set(i, BIT_ULL(priv->cpu_port) | BIT_ULL(i));
+                       port_bitmap |= BIT_ULL(i);
+               }
+       }
+       priv->r->traffic_set(priv->cpu_port, port_bitmap);
+
+       rtl930x_print_matrix();
+
+       // TODO: Initialize statistics
+
+       rtl83xx_vlan_setup(priv);
+
+       ds->configure_vlan_while_not_filtering = true;
+
+       rtl83xx_enable_phy_polling(priv);
+
+       return 0;
+}
+
+static void rtl83xx_phylink_validate(struct dsa_switch *ds, int port,
+                                    unsigned long *supported,
+                                    struct phylink_link_state *state)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+       pr_debug("In %s port %d, state is %d", __func__, port, state->interface);
+
+       if (!phy_interface_mode_is_rgmii(state->interface) &&
+           state->interface != PHY_INTERFACE_MODE_NA &&
+           state->interface != PHY_INTERFACE_MODE_1000BASEX &&
+           state->interface != PHY_INTERFACE_MODE_MII &&
+           state->interface != PHY_INTERFACE_MODE_REVMII &&
+           state->interface != PHY_INTERFACE_MODE_GMII &&
+           state->interface != PHY_INTERFACE_MODE_QSGMII &&
+           state->interface != PHY_INTERFACE_MODE_INTERNAL &&
+           state->interface != PHY_INTERFACE_MODE_SGMII) {
+               bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+               dev_err(ds->dev,
+                       "Unsupported interface: %d for port %d\n",
+                       state->interface, port);
+               return;
+       }
+
+       /* Allow all the expected bits */
+       phylink_set(mask, Autoneg);
+       phylink_set_port_modes(mask);
+       phylink_set(mask, Pause);
+       phylink_set(mask, Asym_Pause);
+
+       /* With the exclusion of MII and Reverse MII, we support Gigabit,
+        * including Half duplex
+        */
+       if (state->interface != PHY_INTERFACE_MODE_MII &&
+           state->interface != PHY_INTERFACE_MODE_REVMII) {
+               phylink_set(mask, 1000baseT_Full);
+               phylink_set(mask, 1000baseT_Half);
+       }
+
+       /* On both the 8380 and 8382, ports 24-27 are SFP ports */
+       if (port >= 24 && port <= 27 && priv->family_id == RTL8380_FAMILY_ID)
+               phylink_set(mask, 1000baseX_Full);
+
+       /* On the RTL839x family of SoCs, ports 48 to 51 are SFP ports */
+       if (port >=48 && port <= 51 && priv->family_id == RTL8390_FAMILY_ID)
+               phylink_set(mask, 1000baseX_Full);
+
+       phylink_set(mask, 10baseT_Half);
+       phylink_set(mask, 10baseT_Full);
+       phylink_set(mask, 100baseT_Half);
+       phylink_set(mask, 100baseT_Full);
+
+       bitmap_and(supported, supported, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+       bitmap_and(state->advertising, state->advertising, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static int rtl83xx_phylink_mac_link_state(struct dsa_switch *ds, int port,
+                                         struct phylink_link_state *state)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 speed;
+       u64 link;
+
+       if (port < 0 || port > priv->cpu_port)
+               return -EINVAL;
+
+       /*
+        * On the RTL9300 for at least the RTL8226B PHY, the MAC-side link
+        * state needs to be read twice in order to read a correct result.
+        * This would not be necessary for ports connected e.g. to RTL8218D
+        * PHYs.
+        */
+       state->link = 0;
+       link = priv->r->get_port_reg_le(priv->r->mac_link_sts);
+       link = priv->r->get_port_reg_le(priv->r->mac_link_sts);
+       if (link & BIT_ULL(port))
+               state->link = 1;
+       pr_debug("%s: link state port %d: %llx\n", __func__, port, link & BIT_ULL(port));
+
+       state->duplex = 0;
+       if (priv->r->get_port_reg_le(priv->r->mac_link_dup_sts) & BIT_ULL(port))
+               state->duplex = 1;
+
+       speed = priv->r->get_port_reg_le(priv->r->mac_link_spd_sts(port));
+       speed >>= (port % 16) << 1;
+       switch (speed & 0x3) {
+       case 0:
+               state->speed = SPEED_10;
+               break;
+       case 1:
+               state->speed = SPEED_100;
+               break;
+       case 2:
+               state->speed = SPEED_1000;
+               break;
+       case 3:
+               if (priv->family_id == RTL9300_FAMILY_ID
+                       && (port == 24 || port == 26)) /* Internal serdes */
+                       state->speed = SPEED_2500;
+               else
+                       state->speed = SPEED_100; /* Is in fact 500Mbit */
+       }
+
+       state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX);
+       if (priv->r->get_port_reg_le(priv->r->mac_rx_pause_sts) & BIT_ULL(port))
+               state->pause |= MLO_PAUSE_RX;
+       if (priv->r->get_port_reg_le(priv->r->mac_tx_pause_sts) & BIT_ULL(port))
+               state->pause |= MLO_PAUSE_TX;
+       return 1;
+}
+
+static void rtl83xx_config_interface(int port, phy_interface_t interface)
+{
+       u32 old, int_shift, sds_shift;
+
+       switch (port) {
+       case 24:
+               int_shift = 0;
+               sds_shift = 5;
+               break;
+       case 26:
+               int_shift = 3;
+               sds_shift = 0;
+               break;
+       default:
+               return;
+       }
+
+       old = sw_r32(RTL838X_SDS_MODE_SEL);
+       switch (interface) {
+       case PHY_INTERFACE_MODE_1000BASEX:
+               if ((old >> sds_shift & 0x1f) == 4)
+                       return;
+               sw_w32_mask(0x7 << int_shift, 1 << int_shift, RTL838X_INT_MODE_CTRL);
+               sw_w32_mask(0x1f << sds_shift, 4 << sds_shift, RTL838X_SDS_MODE_SEL);
+               break;
+       case PHY_INTERFACE_MODE_SGMII:
+               if ((old >> sds_shift & 0x1f) == 2)
+                       return;
+               sw_w32_mask(0x7 << int_shift, 2 << int_shift, RTL838X_INT_MODE_CTRL);
+               sw_w32_mask(0x1f << sds_shift, 2 << sds_shift, RTL838X_SDS_MODE_SEL);
+               break;
+       default:
+               return;
+       }
+       pr_debug("configured port %d for interface %s\n", port, phy_modes(interface));
+}
+
+static void rtl83xx_phylink_mac_config(struct dsa_switch *ds, int port,
+                                       unsigned int mode,
+                                       const struct phylink_link_state *state)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u32 reg;
+       int speed_bit = priv->family_id == RTL8380_FAMILY_ID ? 4 : 3;
+
+       pr_debug("%s port %d, mode %x\n", __func__, port, mode);
+
+       // BUG: Make this work on RTL93XX
+       if (priv->family_id >= RTL9300_FAMILY_ID)
+               return;
+
+       if (port == priv->cpu_port) {
+               /* Set Speed, duplex, flow control
+                * FORCE_EN | LINK_EN | NWAY_EN | DUP_SEL
+                * | SPD_SEL = 0b10 | FORCE_FC_EN | PHY_MASTER_SLV_MANUAL_EN
+                * | MEDIA_SEL
+                */
+               if (priv->family_id == RTL8380_FAMILY_ID) {
+                       sw_w32(0x6192F, priv->r->mac_force_mode_ctrl(priv->cpu_port));
+                       /* allow CRC errors on CPU-port */
+                       sw_w32_mask(0, 0x8, RTL838X_MAC_PORT_CTRL(priv->cpu_port));
+               } else {
+                       sw_w32_mask(0, 3, priv->r->mac_force_mode_ctrl(priv->cpu_port));
+               }
+               return;
+       }
+
+       reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
+       /* Auto-Negotiation does not work for MAC in RTL8390 */
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               if (mode == MLO_AN_PHY || phylink_autoneg_inband(mode)) {
+                       pr_debug("PHY autonegotiates\n");
+                       reg |= BIT(2);
+                       sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+                       rtl83xx_config_interface(port, state->interface);
+                       return;
+               }
+       }
+
+       if (mode != MLO_AN_FIXED)
+               pr_debug("Fixed state.\n");
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               /* Clear id_mode_dis bit, and the existing port mode, let
+                * RGMII_MODE_EN bet set by mac_link_{up,down}
+                */
+               reg &= ~(RX_PAUSE_EN | TX_PAUSE_EN);
+
+               if (state->pause & MLO_PAUSE_TXRX_MASK) {
+                       if (state->pause & MLO_PAUSE_TX)
+                               reg |= TX_PAUSE_EN;
+                       reg |= RX_PAUSE_EN;
+               }
+       }
+
+       reg &= ~(3 << speed_bit);
+       switch (state->speed) {
+       case SPEED_1000:
+               reg |= 2 << speed_bit;
+               break;
+       case SPEED_100:
+               reg |= 1 << speed_bit;
+               break;
+       }
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               reg &= ~(DUPLEX_FULL | FORCE_LINK_EN);
+               if (state->link)
+                       reg |= FORCE_LINK_EN;
+               if (state->duplex == DUPLEX_FULL)
+                       reg |= DUPLX_MODE;
+       }
+
+       // Disable AN
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               reg &= ~BIT(2);
+       sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+}
+
+static void rtl83xx_phylink_mac_link_down(struct dsa_switch *ds, int port,
+                                    unsigned int mode,
+                                    phy_interface_t interface)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       /* Stop TX/RX to port */
+       sw_w32_mask(0x3, 0, priv->r->mac_port_ctrl(port));
+}
+
+static void rtl83xx_phylink_mac_link_up(struct dsa_switch *ds, int port,
+                                  unsigned int mode,
+                                  phy_interface_t interface,
+                                  struct phy_device *phydev)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       /* Restart TX/RX to port */
+       sw_w32_mask(0, 0x3, priv->r->mac_port_ctrl(port));
+}
+
+static void rtl83xx_get_strings(struct dsa_switch *ds,
+                               int port, u32 stringset, u8 *data)
+{
+       int i;
+
+       if (stringset != ETH_SS_STATS)
+               return;
+
+       for (i = 0; i < ARRAY_SIZE(rtl83xx_mib); i++)
+               strncpy(data + i * ETH_GSTRING_LEN, rtl83xx_mib[i].name,
+                       ETH_GSTRING_LEN);
+}
+
+static void rtl83xx_get_ethtool_stats(struct dsa_switch *ds, int port,
+                                     uint64_t *data)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       const struct rtl83xx_mib_desc *mib;
+       int i;
+       u64 h;
+
+       for (i = 0; i < ARRAY_SIZE(rtl83xx_mib); i++) {
+               mib = &rtl83xx_mib[i];
+
+               data[i] = sw_r32(priv->r->stat_port_std_mib + (port << 8) + 252 - mib->offset);
+               if (mib->size == 2) {
+                       h = sw_r32(priv->r->stat_port_std_mib + (port << 8) + 248 - mib->offset);
+                       data[i] |= h << 32;
+               }
+       }
+}
+
+static int rtl83xx_get_sset_count(struct dsa_switch *ds, int port, int sset)
+{
+       if (sset != ETH_SS_STATS)
+               return 0;
+
+       return ARRAY_SIZE(rtl83xx_mib);
+}
+
+static int rtl83xx_port_enable(struct dsa_switch *ds, int port,
+                               struct phy_device *phydev)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 v;
+
+       pr_debug("%s: %x %d", __func__, (u32) priv, port);
+       priv->ports[port].enable = true;
+
+       /* enable inner tagging on egress, do not keep any tags */
+       if (priv->family_id == RTL9310_FAMILY_ID)
+               sw_w32(BIT(4), priv->r->vlan_port_tag_sts_ctrl + (port << 2));
+       else
+               sw_w32(1, priv->r->vlan_port_tag_sts_ctrl + (port << 2));
+
+       if (dsa_is_cpu_port(ds, port))
+               return 0;
+
+       /* add port to switch mask of CPU_PORT */
+       priv->r->traffic_enable(priv->cpu_port, port);
+
+       /* add all other ports in the same bridge to switch mask of port */
+       v = priv->r->traffic_get(port);
+       v |= priv->ports[port].pm;
+       priv->r->traffic_set(port, v);
+
+       // TODO: Figure out if this is necessary
+       if (priv->family_id == RTL9300_FAMILY_ID) {
+               sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_SABLK_CTRL);
+               sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_DABLK_CTRL);
+       }
+
+       return 0;
+}
+
+static void rtl83xx_port_disable(struct dsa_switch *ds, int port)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 v;
+
+       pr_debug("%s %x: %d", __func__, (u32)priv, port);
+       /* you can only disable user ports */
+       if (!dsa_is_user_port(ds, port))
+               return;
+
+       // BUG: This does not work on RTL931X
+       /* remove port from switch mask of CPU_PORT */
+       priv->r->traffic_disable(priv->cpu_port, port);
+
+       /* remove all other ports in the same bridge from switch mask of port */
+       v = priv->r->traffic_get(port);
+       v &= ~priv->ports[port].pm;
+       priv->r->traffic_set(port, v);
+
+       priv->ports[port].enable = false;
+}
+
+static int rtl83xx_set_mac_eee(struct dsa_switch *ds, int port,
+                              struct ethtool_eee *e)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       if (e->eee_enabled && !priv->eee_enabled) {
+               pr_info("Globally enabling EEE\n");
+               priv->r->init_eee(priv, true);
+       }
+
+       priv->r->port_eee_set(priv, port, e->eee_enabled);
+
+       if (e->eee_enabled)
+               pr_info("Enabled EEE for port %d\n", port);
+       else
+               pr_info("Disabled EEE for port %d\n", port);
+       return 0;
+}
+
+static int rtl83xx_get_mac_eee(struct dsa_switch *ds, int port,
+                              struct ethtool_eee *e)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       e->supported = SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full;
+
+       priv->r->eee_port_ability(priv, e, port);
+
+       e->eee_enabled = priv->ports[port].eee_enabled;
+
+       e->eee_active = !!(e->advertised & e->lp_advertised);
+
+       return 0;
+}
+
+static int rtl93xx_get_mac_eee(struct dsa_switch *ds, int port,
+                              struct ethtool_eee *e)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       e->supported = SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full
+                       | SUPPORTED_2500baseX_Full;
+
+       priv->r->eee_port_ability(priv, e, port);
+
+       e->eee_enabled = priv->ports[port].eee_enabled;
+
+       e->eee_active = !!(e->advertised & e->lp_advertised);
+
+       return 0;
+}
+
+/*
+ * Set Switch L2 Aging time, t is time in milliseconds
+ * t = 0: aging is disabled
+ */
+static int rtl83xx_set_l2aging(struct dsa_switch *ds, u32 t)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int t_max = priv->family_id == RTL8380_FAMILY_ID ? 0x7fffff : 0x1FFFFF;
+
+       /* Convert time in mseconds to internal value */
+       if (t > 0x10000000) { /* Set to maximum */
+               t = t_max;
+       } else {
+               if (priv->family_id == RTL8380_FAMILY_ID)
+                       t = ((t * 625) / 1000 + 127) / 128;
+               else
+                       t = (t * 5 + 2) / 3;
+       }
+       sw_w32(t, priv->r->l2_ctrl_1);
+       return 0;
+}
+
+static int rtl83xx_port_bridge_join(struct dsa_switch *ds, int port,
+                                       struct net_device *bridge)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 port_bitmap = BIT_ULL(priv->cpu_port), v;
+       int i;
+
+       pr_debug("%s %x: %d %llx", __func__, (u32)priv, port, port_bitmap);
+       mutex_lock(&priv->reg_mutex);
+       for (i = 0; i < ds->num_ports; i++) {
+               /* Add this port to the port matrix of the other ports in the
+                * same bridge. If the port is disabled, port matrix is kept
+                * and not being setup until the port becomes enabled.
+                */
+               if (dsa_is_user_port(ds, i) && i != port) {
+                       if (dsa_to_port(ds, i)->bridge_dev != bridge)
+                               continue;
+                       if (priv->ports[i].enable)
+                               priv->r->traffic_enable(i, port);
+
+                       priv->ports[i].pm |= BIT_ULL(port);
+                       port_bitmap |= BIT_ULL(i);
+               }
+       }
+
+       /* Add all other ports to this port matrix. */
+       if (priv->ports[port].enable) {
+               priv->r->traffic_enable(priv->cpu_port, port);
+               v = priv->r->traffic_get(port);
+               v |= port_bitmap;
+               priv->r->traffic_set(port, v);
+       }
+       priv->ports[port].pm |= port_bitmap;
+       mutex_unlock(&priv->reg_mutex);
+
+       return 0;
+}
+
+static void rtl83xx_port_bridge_leave(struct dsa_switch *ds, int port,
+                                       struct net_device *bridge)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 port_bitmap = BIT_ULL(priv->cpu_port), v;
+       int i;
+
+       pr_debug("%s %x: %d", __func__, (u32)priv, port);
+       mutex_lock(&priv->reg_mutex);
+       for (i = 0; i < ds->num_ports; i++) {
+               /* Remove this port from the port matrix of the other ports
+                * in the same bridge. If the port is disabled, port matrix
+                * is kept and not being setup until the port becomes enabled.
+                * And the other port's port matrix cannot be broken when the
+                * other port is still a VLAN-aware port.
+                */
+               if (dsa_is_user_port(ds, i) && i != port) {
+                       if (dsa_to_port(ds, i)->bridge_dev != bridge)
+                               continue;
+                       if (priv->ports[i].enable)
+                               priv->r->traffic_disable(i, port);
+
+                       priv->ports[i].pm |= BIT_ULL(port);
+                       port_bitmap &= ~BIT_ULL(i);
+               }
+       }
+
+       /* Add all other ports to this port matrix. */
+       if (priv->ports[port].enable) {
+               v = priv->r->traffic_get(port);
+               v |= port_bitmap;
+               priv->r->traffic_set(port, v);
+       }
+       priv->ports[port].pm &= ~port_bitmap;
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl83xx_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
+{
+       u32 msti = 0;
+       u32 port_state[4];
+       int index, bit;
+       int pos = port;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int n = priv->port_width << 1;
+
+       /* Ports above or equal CPU port can never be configured */
+       if (port >= priv->cpu_port)
+               return;
+
+       mutex_lock(&priv->reg_mutex);
+
+       /* For the RTL839x and following, the bits are left-aligned, 838x and 930x
+        * have 64 bit fields, 839x and 931x have 128 bit fields
+        */
+       if (priv->family_id == RTL8390_FAMILY_ID)
+               pos += 12;
+       if (priv->family_id == RTL9300_FAMILY_ID)
+               pos += 3;
+       if (priv->family_id == RTL9310_FAMILY_ID)
+               pos += 8;
+
+       index = n - (pos >> 4) - 1;
+       bit = (pos << 1) % 32;
+
+       priv->r->stp_get(priv, msti, port_state);
+
+       pr_debug("Current state, port %d: %d\n", port, (port_state[index] >> bit) & 3);
+       port_state[index] &= ~(3 << bit);
+
+       switch (state) {
+       case BR_STATE_DISABLED: /* 0 */
+               port_state[index] |= (0 << bit);
+               break;
+       case BR_STATE_BLOCKING:  /* 4 */
+       case BR_STATE_LISTENING: /* 1 */
+               port_state[index] |= (1 << bit);
+               break;
+       case BR_STATE_LEARNING: /* 2 */
+               port_state[index] |= (2 << bit);
+               break;
+       case BR_STATE_FORWARDING: /* 3*/
+               port_state[index] |= (3 << bit);
+       default:
+               break;
+       }
+
+       priv->r->stp_set(priv, msti, port_state);
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl83xx_fast_age(struct dsa_switch *ds, int port)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int s = priv->family_id == RTL8390_FAMILY_ID ? 2 : 0;
+
+       pr_debug("FAST AGE port %d\n", port);
+       mutex_lock(&priv->reg_mutex);
+       /* RTL838X_L2_TBL_FLUSH_CTRL register bits, 839x has 1 bit larger
+        * port fields:
+        * 0-4: Replacing port
+        * 5-9: Flushed/replaced port
+        * 10-21: FVID
+        * 22: Entry types: 1: dynamic, 0: also static
+        * 23: Match flush port
+        * 24: Match FVID
+        * 25: Flush (0) or replace (1) L2 entries
+        * 26: Status of action (1: Start, 0: Done)
+        */
+       sw_w32(1 << (26 + s) | 1 << (23 + s) | port << (5 + (s / 2)), priv->r->l2_tbl_flush_ctrl);
+
+       do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & BIT(26 + s));
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl930x_fast_age(struct dsa_switch *ds, int port)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       pr_debug("FAST AGE port %d\n", port);
+       mutex_lock(&priv->reg_mutex);
+       sw_w32(port << 11, RTL930X_L2_TBL_FLUSH_CTRL + 4);
+
+       sw_w32(BIT(26) | BIT(30), RTL930X_L2_TBL_FLUSH_CTRL);
+
+       do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & BIT(30));
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+static int rtl83xx_vlan_filtering(struct dsa_switch *ds, int port,
+                                 bool vlan_filtering)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       pr_debug("%s: port %d\n", __func__, port);
+       mutex_lock(&priv->reg_mutex);
+
+       if (vlan_filtering) {
+               /* Enable ingress and egress filtering
+                * The VLAN_PORT_IGR_FILTER register uses 2 bits for each port to define
+                * the filter action:
+                * 0: Always Forward
+                * 1: Drop packet
+                * 2: Trap packet to CPU port
+                * The Egress filter used 1 bit per state (0: DISABLED, 1: ENABLED)
+                */
+               if (port != priv->cpu_port)
+                       sw_w32_mask(0b10 << ((port % 16) << 1), 0b01 << ((port % 16) << 1),
+                                   priv->r->vlan_port_igr_filter + ((port >> 5) << 2));
+               sw_w32_mask(0, BIT(port % 32), priv->r->vlan_port_egr_filter + ((port >> 4) << 2));
+       } else {
+               /* Disable ingress and egress filtering */
+               if (port != priv->cpu_port)
+                       sw_w32_mask(0b11 << ((port % 16) << 1), 0,
+                                   priv->r->vlan_port_igr_filter + ((port >> 5) << 2));
+               sw_w32_mask(BIT(port % 32), 0, priv->r->vlan_port_egr_filter + ((port >> 4) << 2));
+       }
+
+       /* Do we need to do something to the CPU-Port, too? */
+       mutex_unlock(&priv->reg_mutex);
+
+       return 0;
+}
+
+static int rtl83xx_vlan_prepare(struct dsa_switch *ds, int port,
+                               const struct switchdev_obj_port_vlan *vlan)
+{
+       struct rtl838x_vlan_info info;
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       priv->r->vlan_tables_read(0, &info);
+
+       pr_debug("VLAN 0: Tagged ports %llx, untag %llx, profile %d, MC# %d, UC# %d, FID %x\n",
+               info.tagged_ports, info.untagged_ports, info.profile_id,
+               info.hash_mc_fid, info.hash_uc_fid, info.fid);
+
+       priv->r->vlan_tables_read(1, &info);
+       pr_debug("VLAN 1: Tagged ports %llx, untag %llx, profile %d, MC# %d, UC# %d, FID %x\n",
+               info.tagged_ports, info.untagged_ports, info.profile_id,
+               info.hash_mc_fid, info.hash_uc_fid, info.fid);
+       priv->r->vlan_set_untagged(1, info.untagged_ports);
+       pr_debug("SET: Untagged ports, VLAN %d: %llx\n", 1, info.untagged_ports);
+
+       priv->r->vlan_set_tagged(1, &info);
+       pr_debug("SET: Tagged ports, VLAN %d: %llx\n", 1, info.tagged_ports);
+
+       mutex_unlock(&priv->reg_mutex);
+       return 0;
+}
+
+static void rtl83xx_vlan_add(struct dsa_switch *ds, int port,
+                           const struct switchdev_obj_port_vlan *vlan)
+{
+       struct rtl838x_vlan_info info;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int v;
+
+       pr_debug("%s port %d, vid_end %d, vid_end %d, flags %x\n", __func__,
+               port, vlan->vid_begin, vlan->vid_end, vlan->flags);
+
+       if (vlan->vid_begin > 4095 || vlan->vid_end > 4095) {
+               dev_err(priv->dev, "VLAN out of range: %d - %d",
+                       vlan->vid_begin, vlan->vid_end);
+               return;
+       }
+
+       mutex_lock(&priv->reg_mutex);
+
+       if (vlan->flags & BRIDGE_VLAN_INFO_PVID) {
+               for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+                       if (!v)
+                               continue;
+                       /* Set both inner and outer PVID of the port */
+                       sw_w32((v << 16) | v << 2, priv->r->vlan_port_pb + (port << 2));
+                       priv->ports[port].pvid = vlan->vid_end;
+               }
+       }
+
+       for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+               /* Get port memberships of this vlan */
+               priv->r->vlan_tables_read(v, &info);
+
+               /* new VLAN? */
+               if (!info.tagged_ports) {
+                       info.fid = 0;
+                       info.hash_mc_fid = false;
+                       info.hash_uc_fid = false;
+                       info.profile_id = 0;
+               }
+
+               /* sanitize untagged_ports - must be a subset */
+               if (info.untagged_ports & ~info.tagged_ports)
+                       info.untagged_ports = 0;
+
+               info.tagged_ports |= BIT_ULL(port);
+               if (vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED)
+                       info.untagged_ports |= BIT_ULL(port);
+
+               priv->r->vlan_set_untagged(v, info.untagged_ports);
+               pr_debug("Untagged ports, VLAN %d: %llx\n", v, info.untagged_ports);
+
+               priv->r->vlan_set_tagged(v, &info);
+               pr_debug("Tagged ports, VLAN %d: %llx\n", v, info.tagged_ports);
+       }
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+static int rtl83xx_vlan_del(struct dsa_switch *ds, int port,
+                           const struct switchdev_obj_port_vlan *vlan)
+{
+       struct rtl838x_vlan_info info;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int v;
+       u16 pvid;
+
+       pr_debug("%s: port %d, vid_end %d, vid_end %d, flags %x\n", __func__,
+               port, vlan->vid_begin, vlan->vid_end, vlan->flags);
+
+       if (vlan->vid_begin > 4095 || vlan->vid_end > 4095) {
+               dev_err(priv->dev, "VLAN out of range: %d - %d",
+                       vlan->vid_begin, vlan->vid_end);
+               return -ENOTSUPP;
+       }
+
+       mutex_lock(&priv->reg_mutex);
+       pvid = priv->ports[port].pvid;
+
+       for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+               /* Reset to default if removing the current PVID */
+               if (v == pvid)
+                       sw_w32(0, priv->r->vlan_port_pb + (port << 2));
+
+               /* Get port memberships of this vlan */
+               priv->r->vlan_tables_read(v, &info);
+
+               /* remove port from both tables */
+               info.untagged_ports &= (~BIT_ULL(port));
+               info.tagged_ports &= (~BIT_ULL(port));
+
+               priv->r->vlan_set_untagged(v, info.untagged_ports);
+               pr_debug("Untagged ports, VLAN %d: %llx\n", v, info.untagged_ports);
+
+               priv->r->vlan_set_tagged(v, &info);
+               pr_debug("Tagged ports, VLAN %d: %llx\n", v, info.tagged_ports);
+       }
+       mutex_unlock(&priv->reg_mutex);
+
+       return 0;
+}
+
+static void dump_l2_entry(struct rtl838x_l2_entry *e)
+{
+       pr_info("MAC: %02x:%02x:%02x:%02x:%02x:%02x vid: %d, rvid: %d, port: %d, valid: %d\n",
+               e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5],
+               e->vid, e->rvid, e->port, e->valid);
+
+       if (e->type != L2_MULTICAST) {
+               pr_info("Type: %d, is_static: %d, is_ip_mc: %d, is_ipv6_mc: %d, block_da: %d\n",
+                       e->type, e->is_static, e->is_ip_mc, e->is_ipv6_mc, e->block_da);
+               pr_info("  block_sa: %d, susp: %d, nh: %d, age: %d, is_trunk: %d, trunk: %d\n",
+               e->block_sa, e->suspended, e->next_hop, e->age, e->is_trunk, e->trunk);
+       }
+       if (e->type == L2_MULTICAST)
+               pr_info("  L2_MULTICAST mc_portmask_index: %d\n", e->mc_portmask_index);
+       if (e->is_ip_mc || e->is_ipv6_mc)
+               pr_info("  mc_portmask_index: %d, mc_gip: %d, mc_sip: %d\n",
+                       e->mc_portmask_index, e->mc_gip, e->mc_sip);
+       pr_info("  stack_dev: %d\n", e->stack_dev);
+       if (e->next_hop)
+               pr_info("  nh_route_id: %d\n", e->nh_route_id);
+}
+
+static void rtl83xx_setup_l2_uc_entry(struct rtl838x_l2_entry *e, int port, int vid, u64 mac)
+{
+       e->is_ip_mc = e->is_ipv6_mc  = false;
+       e->valid = true;
+       e->age = 3;
+       e->port = port,
+       e->vid = vid;
+       u64_to_ether_addr(mac, e->mac);
+}
+
+static void rtl83xx_setup_l2_mc_entry(struct rtl838x_switch_priv *priv,
+                                     struct rtl838x_l2_entry *e, int vid, u64 mac, int mc_group)
+{
+       e->is_ip_mc = e->is_ipv6_mc  = false;
+       e->valid = true;
+       e->mc_portmask_index = mc_group;
+       e->type = L2_MULTICAST;
+       e->rvid = e->vid = vid;
+       pr_debug("%s: vid: %d, rvid: %d\n", __func__, e->vid, e->rvid);
+       u64_to_ether_addr(mac, e->mac);
+}
+
+/*
+ * Uses the seed to identify a hash bucket in the L2 using the derived hash key and then loops
+ * over the entries in the bucket until either a matching entry is found or an empty slot
+ * Returns the filled in rtl838x_l2_entry and the index in the bucket when an entry was found
+ * when an empty slot was found and must exist is false, the index of the slot is returned
+ * when no slots are available returns -1
+ */
+static int rtl83xx_find_l2_hash_entry(struct rtl838x_switch_priv *priv, u64 seed,
+                                    bool must_exist, struct rtl838x_l2_entry *e)
+{
+       int i, idx = -1;
+       u32 key = priv->r->l2_hash_key(priv, seed);
+       u64 entry;
+
+       pr_debug("%s: using key %x, for seed %016llx\n", __func__, key, seed);
+       // Loop over all entries in the hash-bucket and over the second block on 93xx SoCs
+       for (i = 0; i < priv->l2_bucket_size; i++) {
+               entry = priv->r->read_l2_entry_using_hash(key, i, e);
+               pr_debug("valid %d, mac %016llx\n", e->valid, ether_addr_to_u64(&e->mac[0]));
+               if (must_exist && !e->valid)
+                       continue;
+               if (!e->valid || ((entry & 0x0fffffffffffffffULL) == seed)) {
+                       idx = i > 3 ? ((key >> 14) & 0xffff) | i >> 1 : ((key << 2) | i) & 0xffff;
+                       break;
+               }
+       }
+
+       return idx;
+}
+
+/*
+ * Uses the seed to identify an entry in the CAM by looping over all its entries
+ * Returns the filled in rtl838x_l2_entry and the index in the CAM when an entry was found
+ * when an empty slot was found the index of the slot is returned
+ * when no slots are available returns -1
+ */
+static int rtl83xx_find_l2_cam_entry(struct rtl838x_switch_priv *priv, u64 seed,
+                                    bool must_exist, struct rtl838x_l2_entry *e)
+{
+       int i, idx = -1;
+       u64 entry;
+
+       for (i = 0; i < 64; i++) {
+               entry = priv->r->read_cam(i, e);
+               if (!must_exist && !e->valid) {
+                       if (idx < 0) /* First empty entry? */
+                               idx = i;
+                       break;
+               } else if ((entry & 0x0fffffffffffffffULL) == seed) {
+                       pr_debug("Found entry in CAM\n");
+                       idx = i;
+                       break;
+               }
+       }
+       return idx;
+}
+
+static int rtl83xx_port_fdb_add(struct dsa_switch *ds, int port,
+                               const unsigned char *addr, u16 vid)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 mac = ether_addr_to_u64(addr);
+       struct rtl838x_l2_entry e;
+       int err = 0, idx;
+       u64 seed = priv->r->l2_hash_seed(mac, vid);
+
+       mutex_lock(&priv->reg_mutex);
+
+       idx = rtl83xx_find_l2_hash_entry(priv, seed, false, &e);
+
+       // Found an existing or empty entry
+       if (idx >= 0) {
+               rtl83xx_setup_l2_uc_entry(&e, port, vid, mac);
+               priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+               goto out;
+       }
+
+       // Hash buckets full, try CAM
+       rtl83xx_find_l2_cam_entry(priv, seed, false, &e);
+
+       if (idx >= 0) {
+               rtl83xx_setup_l2_uc_entry(&e, port, vid, mac);
+               priv->r->write_cam(idx, &e);
+               goto out;
+       }
+
+       err = -ENOTSUPP;
+out:
+       mutex_unlock(&priv->reg_mutex);
+       return err;
+}
+
+static int rtl83xx_port_fdb_del(struct dsa_switch *ds, int port,
+                          const unsigned char *addr, u16 vid)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 mac = ether_addr_to_u64(addr);
+       struct rtl838x_l2_entry e;
+       int err = 0, idx;
+       u64 seed = priv->r->l2_hash_seed(mac, vid);
+
+       pr_info("In %s, mac %llx, vid: %d\n", __func__, mac, vid);
+       mutex_lock(&priv->reg_mutex);
+
+       idx = rtl83xx_find_l2_hash_entry(priv, seed, true, &e);
+
+       pr_info("Found entry index %d, key %d and bucket %d\n", idx, idx >> 2, idx & 3);
+       if (idx >= 0) {
+               e.valid = false;
+               dump_l2_entry(&e);
+               priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+               goto out;
+       }
+
+       /* Check CAM for spillover from hash buckets */
+       rtl83xx_find_l2_cam_entry(priv, seed, true, &e);
+
+       if (idx >= 0) {
+               e.valid = false;
+               priv->r->write_cam(idx, &e);
+               goto out;
+       }
+       err = -ENOENT;
+out:
+       mutex_unlock(&priv->reg_mutex);
+       return err;
+}
+
+static int rtl83xx_port_fdb_dump(struct dsa_switch *ds, int port,
+                                dsa_fdb_dump_cb_t *cb, void *data)
+{
+       struct rtl838x_l2_entry e;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int i;
+       u32 fid, pkey;
+       u64 mac;
+
+       mutex_lock(&priv->reg_mutex);
+
+       for (i = 0; i < priv->fib_entries; i++) {
+               priv->r->read_l2_entry_using_hash(i >> 2, i & 0x3, &e);
+
+               if (!e.valid)
+                       continue;
+
+               if (e.port == port) {
+                       fid = ((i >> 2) & 0x3ff) | (e.rvid & ~0x3ff);
+                       mac = ether_addr_to_u64(&e.mac[0]);
+                       pkey = priv->r->l2_hash_key(priv, priv->r->l2_hash_seed(mac, fid));
+                       fid = (pkey & 0x3ff) | (fid & ~0x3ff);
+                       pr_info("-> index %d, key %x, bucket %d, dmac %016llx, fid: %x rvid: %x\n",
+                               i, i >> 2, i & 0x3, mac, fid, e.rvid);
+                       dump_l2_entry(&e);
+                       u64 seed = priv->r->l2_hash_seed(mac, e.rvid);
+                       u32 key = priv->r->l2_hash_key(priv, seed);
+                       pr_info("seed: %016llx, key based on rvid: %08x\n", seed, key);
+                       cb(e.mac, e.vid, e.is_static, data);
+               }
+               if (e.type == L2_MULTICAST) {
+                       u64 portmask = priv->r->read_mcast_pmask(e.mc_portmask_index);
+                       if (portmask & BIT_ULL(port)) {
+                               dump_l2_entry(&e);
+                               pr_info("  PM: %016llx\n", portmask);
+                       }
+               }
+       }
+
+       for (i = 0; i < 64; i++) {
+               priv->r->read_cam(i, &e);
+
+               if (!e.valid)
+                       continue;
+
+               if (e.port == port)
+                       cb(e.mac, e.vid, e.is_static, data);
+       }
+
+       mutex_unlock(&priv->reg_mutex);
+       return 0;
+}
+
+static int rtl83xx_port_mdb_prepare(struct dsa_switch *ds, int port,
+                                       const struct switchdev_obj_port_mdb *mdb)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       if (priv->id >= 0x9300)
+               return -EOPNOTSUPP;
+
+       return 0;
+}
+
+static int rtl83xx_mc_group_alloc(struct rtl838x_switch_priv *priv, int port)
+{
+       int mc_group = find_first_zero_bit(priv->mc_group_bm, MAX_MC_GROUPS - 1);
+       u64 portmask;
+
+       if (mc_group >= MAX_MC_GROUPS - 1)
+               return -1;
+
+       pr_debug("Using MC group %d\n", mc_group);
+       set_bit(mc_group, priv->mc_group_bm);
+       mc_group++;  // We cannot use group 0, as this is used for lookup miss flooding
+       portmask = BIT_ULL(port);
+       priv->r->write_mcast_pmask(mc_group, portmask);
+
+       return mc_group;
+}
+
+static u64 rtl83xx_mc_group_add_port(struct rtl838x_switch_priv *priv, int mc_group, int port)
+{
+       u64 portmask = priv->r->read_mcast_pmask(mc_group);
+
+       portmask |= BIT_ULL(port);
+       priv->r->write_mcast_pmask(mc_group, portmask);
+
+       return portmask;
+}
+
+static u64 rtl83xx_mc_group_del_port(struct rtl838x_switch_priv *priv, int mc_group, int port)
+{
+       u64 portmask = priv->r->read_mcast_pmask(mc_group);
+
+       portmask &= ~BIT_ULL(port);
+       priv->r->write_mcast_pmask(mc_group, portmask);
+       if (!portmask)
+               clear_bit(mc_group, priv->mc_group_bm);
+
+       return portmask;
+}
+
+static void rtl83xx_port_mdb_add(struct dsa_switch *ds, int port,
+                       const struct switchdev_obj_port_mdb *mdb)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 mac = ether_addr_to_u64(mdb->addr);
+       struct rtl838x_l2_entry e;
+       int err = 0, idx;
+       int vid = mdb->vid;
+       u64 seed = priv->r->l2_hash_seed(mac, vid);
+       int mc_group;
+
+       pr_debug("In %s port %d, mac %llx, vid: %d\n", __func__, port, mac, vid);
+       mutex_lock(&priv->reg_mutex);
+
+       idx = rtl83xx_find_l2_hash_entry(priv, seed, false, &e);
+
+       // Found an existing or empty entry
+       if (idx >= 0) {
+               if (e.valid) {
+                       pr_debug("Found an existing entry %016llx, mc_group %d\n",
+                               ether_addr_to_u64(e.mac), e.mc_portmask_index);
+                       rtl83xx_mc_group_add_port(priv, e.mc_portmask_index, port);
+               } else {
+                       pr_debug("New entry for seed %016llx\n", seed);
+                       mc_group = rtl83xx_mc_group_alloc(priv, port);
+                       if (mc_group < 0) {
+                               err = -ENOTSUPP;
+                               goto out;
+                       }
+                       rtl83xx_setup_l2_mc_entry(priv, &e, vid, mac, mc_group);
+                       priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+               }
+               goto out;
+       }
+
+       // Hash buckets full, try CAM
+       rtl83xx_find_l2_cam_entry(priv, seed, false, &e);
+
+       if (idx >= 0) {
+               if (e.valid) {
+                       pr_debug("Found existing CAM entry %016llx, mc_group %d\n",
+                                ether_addr_to_u64(e.mac), e.mc_portmask_index);
+                       rtl83xx_mc_group_add_port(priv, e.mc_portmask_index, port);
+               } else {
+                       pr_debug("New entry\n");
+                       mc_group = rtl83xx_mc_group_alloc(priv, port);
+                       if (mc_group < 0) {
+                               err = -ENOTSUPP;
+                               goto out;
+                       }
+                       rtl83xx_setup_l2_mc_entry(priv, &e, vid, mac, mc_group);
+                       priv->r->write_cam(idx, &e);
+               }
+               goto out;
+       }
+
+       err = -ENOTSUPP;
+out:
+       mutex_unlock(&priv->reg_mutex);
+       if (err)
+               dev_err(ds->dev, "failed to add MDB entry\n");
+}
+
+int rtl83xx_port_mdb_del(struct dsa_switch *ds, int port,
+                       const struct switchdev_obj_port_mdb *mdb)
+{
+       struct rtl838x_switch_priv *priv = ds->priv;
+       u64 mac = ether_addr_to_u64(mdb->addr);
+       struct rtl838x_l2_entry e;
+       int err = 0, idx;
+       int vid = mdb->vid;
+       u64 seed = priv->r->l2_hash_seed(mac, vid);
+       u64 portmask;
+
+       pr_debug("In %s, port %d, mac %llx, vid: %d\n", __func__, port, mac, vid);
+       mutex_lock(&priv->reg_mutex);
+
+       idx = rtl83xx_find_l2_hash_entry(priv, seed, true, &e);
+
+       pr_debug("Found entry index %d, key %d and bucket %d\n", idx, idx >> 2, idx & 3);
+       if (idx >= 0) {
+               portmask = rtl83xx_mc_group_del_port(priv, e.mc_portmask_index, port);
+               if (!portmask) {
+                       e.valid = false;
+                       // dump_l2_entry(&e);
+                       priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+               }
+               goto out;
+       }
+
+       /* Check CAM for spillover from hash buckets */
+       rtl83xx_find_l2_cam_entry(priv, seed, true, &e);
+
+       if (idx >= 0) {
+               portmask = rtl83xx_mc_group_del_port(priv, e.mc_portmask_index, port);
+               if (!portmask) {
+                       e.valid = false;
+                       // dump_l2_entry(&e);
+                       priv->r->write_cam(idx, &e);
+               }
+               goto out;
+       }
+       // TODO: Re-enable with a newer kernel: err = -ENOENT;
+out:
+       mutex_unlock(&priv->reg_mutex);
+       return err;
+}
+
+static int rtl83xx_port_mirror_add(struct dsa_switch *ds, int port,
+                                  struct dsa_mall_mirror_tc_entry *mirror,
+                                  bool ingress)
+{
+       /* We support 4 mirror groups, one destination port per group */
+       int group;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int ctrl_reg, dpm_reg, spm_reg; 
+
+       pr_debug("In %s\n", __func__);
+
+       for (group = 0; group < 4; group++) {
+               if (priv->mirror_group_ports[group] == mirror->to_local_port)
+                       break;
+       }
+       if (group >= 4) {
+               for (group = 0; group < 4; group++) {
+                       if (priv->mirror_group_ports[group] < 0)
+                               break;
+               }
+       }
+
+       if (group >= 4)
+               return -ENOSPC;
+
+       ctrl_reg = priv->r->mir_ctrl + group * 4;
+       dpm_reg = priv->r->mir_dpm + group * 4 * priv->port_width;
+       spm_reg = priv->r->mir_spm + group * 4 * priv->port_width;
+
+       pr_debug("Using group %d\n", group);
+       mutex_lock(&priv->reg_mutex);
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               /* Enable mirroring to port across VLANs (bit 11) */
+               sw_w32(1 << 11 | (mirror->to_local_port << 4) | 1, ctrl_reg);
+       } else {
+               /* Enable mirroring to destination port */
+               sw_w32((mirror->to_local_port << 4) | 1, ctrl_reg);
+       }
+
+       if (ingress && (priv->r->get_port_reg_be(spm_reg) & (1ULL << port))) {
+               mutex_unlock(&priv->reg_mutex);
+               return -EEXIST;
+       }
+       if ((!ingress) && (priv->r->get_port_reg_be(dpm_reg) & (1ULL << port))) {
+               mutex_unlock(&priv->reg_mutex);
+               return -EEXIST;
+       }
+
+       if (ingress)
+               priv->r->mask_port_reg_be(0, 1ULL << port, spm_reg);
+       else
+               priv->r->mask_port_reg_be(0, 1ULL << port, dpm_reg);
+
+       priv->mirror_group_ports[group] = mirror->to_local_port;
+       mutex_unlock(&priv->reg_mutex);
+       return 0;
+}
+
+static void rtl83xx_port_mirror_del(struct dsa_switch *ds, int port,
+                                   struct dsa_mall_mirror_tc_entry *mirror)
+{
+       int group = 0;
+       struct rtl838x_switch_priv *priv = ds->priv;
+       int ctrl_reg, dpm_reg, spm_reg;
+
+       pr_debug("In %s\n", __func__);
+       for (group = 0; group < 4; group++) {
+               if (priv->mirror_group_ports[group] == mirror->to_local_port)
+                       break;
+       }
+       if (group >= 4)
+               return;
+
+       ctrl_reg = priv->r->mir_ctrl + group * 4;
+       dpm_reg = priv->r->mir_dpm + group * 4 * priv->port_width;
+       spm_reg = priv->r->mir_spm + group * 4 * priv->port_width;
+
+       mutex_lock(&priv->reg_mutex);
+       if (mirror->ingress) {
+               /* Ingress, clear source port matrix */
+               priv->r->mask_port_reg_be(1ULL << port, 0, spm_reg);
+       } else {
+               /* Egress, clear destination port matrix */
+               priv->r->mask_port_reg_be(1ULL << port, 0, dpm_reg);
+       }
+
+       if (!(sw_r32(spm_reg) || sw_r32(dpm_reg))) {
+               priv->mirror_group_ports[group] = -1;
+               sw_w32(0, ctrl_reg);
+       }
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+int dsa_phy_read(struct dsa_switch *ds, int phy_addr, int phy_reg)
+{
+       u32 val;
+       u32 offset = 0;
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       if (phy_addr >= 24 && phy_addr <= 27
+               && priv->ports[24].phy == PHY_RTL838X_SDS) {
+               if (phy_addr == 26)
+                       offset = 0x100;
+               val = sw_r32(RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2)) & 0xffff;
+               return val;
+       }
+
+       read_phy(phy_addr, 0, phy_reg, &val);
+       return val;
+}
+
+int dsa_phy_write(struct dsa_switch *ds, int phy_addr, int phy_reg, u16 val)
+{
+       u32 offset = 0;
+       struct rtl838x_switch_priv *priv = ds->priv;
+
+       if (phy_addr >= 24 && phy_addr <= 27
+            && priv->ports[24].phy == PHY_RTL838X_SDS) {
+               if (phy_addr == 26)
+                       offset = 0x100;
+               sw_w32(val, RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2));
+               return 0;
+       }
+       return write_phy(phy_addr, 0, phy_reg, val);
+}
+
+const struct dsa_switch_ops rtl83xx_switch_ops = {
+       .get_tag_protocol       = rtl83xx_get_tag_protocol,
+       .setup                  = rtl83xx_setup,
+
+       .phy_read               = dsa_phy_read,
+       .phy_write              = dsa_phy_write,
+
+       .phylink_validate       = rtl83xx_phylink_validate,
+       .phylink_mac_link_state = rtl83xx_phylink_mac_link_state,
+       .phylink_mac_config     = rtl83xx_phylink_mac_config,
+       .phylink_mac_link_down  = rtl83xx_phylink_mac_link_down,
+       .phylink_mac_link_up    = rtl83xx_phylink_mac_link_up,
+
+       .get_strings            = rtl83xx_get_strings,
+       .get_ethtool_stats      = rtl83xx_get_ethtool_stats,
+       .get_sset_count         = rtl83xx_get_sset_count,
+
+       .port_enable            = rtl83xx_port_enable,
+       .port_disable           = rtl83xx_port_disable,
+
+       .get_mac_eee            = rtl83xx_get_mac_eee,
+       .set_mac_eee            = rtl83xx_set_mac_eee,
+
+       .set_ageing_time        = rtl83xx_set_l2aging,
+       .port_bridge_join       = rtl83xx_port_bridge_join,
+       .port_bridge_leave      = rtl83xx_port_bridge_leave,
+       .port_stp_state_set     = rtl83xx_port_stp_state_set,
+       .port_fast_age          = rtl83xx_fast_age,
+
+       .port_vlan_filtering    = rtl83xx_vlan_filtering,
+       .port_vlan_prepare      = rtl83xx_vlan_prepare,
+       .port_vlan_add          = rtl83xx_vlan_add,
+       .port_vlan_del          = rtl83xx_vlan_del,
+
+       .port_fdb_add           = rtl83xx_port_fdb_add,
+       .port_fdb_del           = rtl83xx_port_fdb_del,
+       .port_fdb_dump          = rtl83xx_port_fdb_dump,
+
+       .port_mdb_prepare       = rtl83xx_port_mdb_prepare,
+       .port_mdb_add           = rtl83xx_port_mdb_add,
+       .port_mdb_del           = rtl83xx_port_mdb_del,
+
+       .port_mirror_add        = rtl83xx_port_mirror_add,
+       .port_mirror_del        = rtl83xx_port_mirror_del,
+};
+
+const struct dsa_switch_ops rtl930x_switch_ops = {
+       .get_tag_protocol       = rtl83xx_get_tag_protocol,
+       .setup                  = rtl930x_setup,
+
+       .phy_read               = dsa_phy_read,
+       .phy_write              = dsa_phy_write,
+
+       .phylink_validate       = rtl83xx_phylink_validate,
+       .phylink_mac_link_state = rtl83xx_phylink_mac_link_state,
+       .phylink_mac_config     = rtl83xx_phylink_mac_config,
+       .phylink_mac_link_down  = rtl83xx_phylink_mac_link_down,
+       .phylink_mac_link_up    = rtl83xx_phylink_mac_link_up,
+
+       .get_strings            = rtl83xx_get_strings,
+       .get_ethtool_stats      = rtl83xx_get_ethtool_stats,
+       .get_sset_count         = rtl83xx_get_sset_count,
+
+       .port_enable            = rtl83xx_port_enable,
+       .port_disable           = rtl83xx_port_disable,
+
+       .get_mac_eee            = rtl93xx_get_mac_eee,
+       .set_mac_eee            = rtl83xx_set_mac_eee,
+
+       .set_ageing_time        = rtl83xx_set_l2aging,
+       .port_bridge_join       = rtl83xx_port_bridge_join,
+       .port_bridge_leave      = rtl83xx_port_bridge_leave,
+       .port_stp_state_set     = rtl83xx_port_stp_state_set,
+       .port_fast_age          = rtl930x_fast_age,
+
+       .port_vlan_filtering    = rtl83xx_vlan_filtering,
+       .port_vlan_prepare      = rtl83xx_vlan_prepare,
+       .port_vlan_add          = rtl83xx_vlan_add,
+       .port_vlan_del          = rtl83xx_vlan_del,
+
+       .port_fdb_add           = rtl83xx_port_fdb_add,
+       .port_fdb_del           = rtl83xx_port_fdb_del,
+       .port_fdb_dump          = rtl83xx_port_fdb_dump,
+
+       .port_mdb_prepare       = rtl83xx_port_mdb_prepare,
+       .port_mdb_add           = rtl83xx_port_mdb_add,
+       .port_mdb_del           = rtl83xx_port_mdb_del,
+
+};
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/qos.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/qos.c
new file mode 100644 (file)
index 0000000..2fc8d37
--- /dev/null
@@ -0,0 +1,576 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <net/dsa.h>
+#include <linux/delay.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+static struct rtl838x_switch_priv *switch_priv;
+extern struct rtl83xx_soc_info soc_info;
+
+enum scheduler_type {
+       WEIGHTED_FAIR_QUEUE = 0,
+       WEIGHTED_ROUND_ROBIN,
+};
+
+int max_available_queue[] = {0, 1, 2, 3, 4, 5, 6, 7};
+int default_queue_weights[] = {1, 1, 1, 1, 1, 1, 1, 1};
+int dot1p_priority_remapping[] = {0, 1, 2, 3, 4, 5, 6, 7};
+
+static void rtl839x_read_scheduling_table(int port)
+{
+       u32 cmd = 1 << 9 /* Execute cmd */
+               | 0 << 8 /* Read */
+               | 0 << 6 /* Table type 0b00 */
+               | (port & 0x3f);
+       rtl839x_exec_tbl2_cmd(cmd);
+}
+
+static void rtl839x_write_scheduling_table(int port)
+{
+       u32 cmd = 1 << 9 /* Execute cmd */
+               | 1 << 8 /* Write */
+               | 0 << 6 /* Table type 0b00 */
+               | (port & 0x3f);
+       rtl839x_exec_tbl2_cmd(cmd);
+}
+
+static void rtl839x_read_out_q_table(int port)
+{
+       u32 cmd = 1 << 9 /* Execute cmd */
+               | 0 << 8 /* Read */
+               | 2 << 6 /* Table type 0b10 */
+               | (port & 0x3f);
+       rtl839x_exec_tbl2_cmd(cmd);
+}
+
+static void rtl838x_storm_enable(struct rtl838x_switch_priv *priv, int port, bool enable)
+{
+       // Enable Storm control for that port for UC, MC, and BC
+       if (enable)
+               sw_w32(0x7, RTL838X_STORM_CTRL_LB_CTRL(port));
+       else
+               sw_w32(0x0, RTL838X_STORM_CTRL_LB_CTRL(port));
+}
+
+u32 rtl838x_get_egress_rate(struct rtl838x_switch_priv *priv, int port)
+{
+       u32 rate;
+
+       if (port > priv->cpu_port)
+               return 0;
+       rate = sw_r32(RTL838X_SCHED_P_EGR_RATE_CTRL(port)) & 0x3fff;
+       return rate;
+}
+
+/* Sets the rate limit, 10MBit/s is equal to a rate value of 625 */
+int rtl838x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate)
+{
+       u32 old_rate;
+
+       if (port > priv->cpu_port)
+               return -1;
+
+       old_rate = sw_r32(RTL838X_SCHED_P_EGR_RATE_CTRL(port));
+       sw_w32(rate, RTL838X_SCHED_P_EGR_RATE_CTRL(port));
+
+       return old_rate;
+}
+
+/* Set the rate limit for a particular queue in Bits/s
+ * units of the rate is 16Kbps
+ */
+void rtl838x_egress_rate_queue_limit(struct rtl838x_switch_priv *priv, int port,
+                                           int queue, u32 rate)
+{
+       if (port > priv->cpu_port)
+               return;
+       if (queue > 7)
+               return;
+       sw_w32(rate, RTL838X_SCHED_Q_EGR_RATE_CTRL(port, queue));
+}
+
+static void rtl838x_rate_control_init(struct rtl838x_switch_priv *priv)
+{
+       int i;
+
+       pr_info("Enabling Storm control\n");
+       // TICK_PERIOD_PPS
+       if (priv->id == 0x8380)
+               sw_w32_mask(0x3ff << 20, 434 << 20, RTL838X_SCHED_LB_TICK_TKN_CTRL_0);
+
+       // Set burst rate
+       sw_w32(0x00008000, RTL838X_STORM_CTRL_BURST_0); // UC
+       sw_w32(0x80008000, RTL838X_STORM_CTRL_BURST_1); // MC and BC
+
+       // Set burst Packets per Second to 32
+       sw_w32(0x00000020, RTL838X_STORM_CTRL_BURST_PPS_0); // UC
+       sw_w32(0x00200020, RTL838X_STORM_CTRL_BURST_PPS_1); // MC and BC
+
+       // Include IFG in storm control, rate based on bytes/s (0 = packets)
+       sw_w32_mask(0, 1 << 6 | 1 << 5, RTL838X_STORM_CTRL);
+       // Bandwidth control includes preamble and IFG (10 Bytes)
+       sw_w32_mask(0, 1, RTL838X_SCHED_CTRL);
+
+       // On SoCs except RTL8382M, set burst size of port egress
+       if (priv->id != 0x8382)
+               sw_w32_mask(0xffff, 0x800, RTL838X_SCHED_LB_THR);
+
+       /* Enable storm control on all ports with a PHY and limit rates,
+        * for UC and MC for both known and unknown addresses */
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy) {
+                       sw_w32((1 << 18) | 0x8000, RTL838X_STORM_CTRL_PORT_UC(i));
+                       sw_w32((1 << 18) | 0x8000, RTL838X_STORM_CTRL_PORT_MC(i));
+                       sw_w32(0x8000, RTL838X_STORM_CTRL_PORT_BC(i));
+                       rtl838x_storm_enable(priv, i, true);
+               }
+       }
+
+       // Attack prevention, enable all attack prevention measures
+       //sw_w32(0x1ffff, RTL838X_ATK_PRVNT_CTRL);
+       /* Attack prevention, drop (bit = 0) problematic packets on all ports.
+        * Setting bit = 1 means: trap to CPU
+        */
+       //sw_w32(0, RTL838X_ATK_PRVNT_ACT);
+       // Enable attack prevention on all ports
+       //sw_w32(0x0fffffff, RTL838X_ATK_PRVNT_PORT_EN);
+}
+
+/* Sets the rate limit, 10MBit/s is equal to a rate value of 625 */
+u32 rtl839x_get_egress_rate(struct rtl838x_switch_priv *priv, int port)
+{
+       u32 rate;
+
+       pr_debug("%s: Getting egress rate on port %d to %d\n", __func__, port, rate);
+       if (port >= priv->cpu_port)
+               return 0;
+
+       mutex_lock(&priv->reg_mutex);
+
+       rtl839x_read_scheduling_table(port);
+
+       rate = sw_r32(RTL839X_TBL_ACCESS_DATA_2(7));
+       rate <<= 12;
+       rate |= sw_r32(RTL839X_TBL_ACCESS_DATA_2(8)) >> 20;
+
+       mutex_unlock(&priv->reg_mutex);
+
+       return rate;
+}
+
+/* Sets the rate limit, 10MBit/s is equal to a rate value of 625, returns previous rate */
+int rtl839x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate)
+{
+       u32 old_rate;
+
+       pr_debug("%s: Setting egress rate on port %d to %d\n", __func__, port, rate);
+       if (port >= priv->cpu_port)
+               return -1;
+
+       mutex_lock(&priv->reg_mutex);
+
+       rtl839x_read_scheduling_table(port);
+
+       old_rate = sw_r32(RTL839X_TBL_ACCESS_DATA_2(7)) & 0xff;
+       old_rate <<= 12;
+       old_rate |= sw_r32(RTL839X_TBL_ACCESS_DATA_2(8)) >> 20;
+       sw_w32_mask(0xff, (rate >> 12) & 0xff, RTL839X_TBL_ACCESS_DATA_2(7));
+       sw_w32_mask(0xfff << 20, rate << 20, RTL839X_TBL_ACCESS_DATA_2(8));
+
+       rtl839x_write_scheduling_table(port);
+       
+       mutex_unlock(&priv->reg_mutex);
+
+       return old_rate;
+}
+
+/* Set the rate limit for a particular queue in Bits/s
+ * units of the rate is 16Kbps
+ */
+void rtl839x_egress_rate_queue_limit(struct rtl838x_switch_priv *priv, int port,
+                                       int queue, u32 rate)
+{
+       int lsb = 128 + queue * 20;
+       int low_byte = 8 - (lsb >> 5);
+       int start_bit = lsb - (low_byte << 5);
+       u32 high_mask = 0xfffff >> (32 - start_bit);
+
+       pr_debug("%s: Setting egress rate on port %d, queue %d to %d\n",
+               __func__, port, queue, rate);
+       if (port >= priv->cpu_port)
+               return;
+       if (queue > 7)
+               return;
+
+       mutex_lock(&priv->reg_mutex);
+
+       rtl839x_read_scheduling_table(port);
+
+       sw_w32_mask(0xfffff << start_bit, (rate & 0xfffff) << start_bit,
+                   RTL839X_TBL_ACCESS_DATA_2(low_byte));
+       if (high_mask)
+               sw_w32_mask(high_mask, (rate & 0xfffff) >> (32- start_bit),
+                           RTL839X_TBL_ACCESS_DATA_2(low_byte - 1));
+
+       rtl839x_write_scheduling_table(port);
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+static void rtl839x_rate_control_init(struct rtl838x_switch_priv *priv)
+{
+       int p, q;
+
+       pr_info("%s: enabling rate control\n", __func__);
+       /* Tick length and token size settings for SoC with 250MHz,
+        * RTL8350 family would use 50MHz
+        */
+       // Set the special tick period
+       sw_w32(976563, RTL839X_STORM_CTRL_SPCL_LB_TICK_TKN_CTRL);
+       // Ingress tick period and token length 10G
+       sw_w32(18 << 11 | 151, RTL839X_IGR_BWCTRL_LB_TICK_TKN_CTRL_0);
+       // Ingress tick period and token length 1G
+       sw_w32(245 << 11 | 129, RTL839X_IGR_BWCTRL_LB_TICK_TKN_CTRL_1);
+       // Egress tick period 10G, bytes/token 10G and tick period 1G, bytes/token 1G
+       sw_w32(18 << 24 | 151 << 16 | 185 << 8 | 97, RTL839X_SCHED_LB_TICK_TKN_CTRL);
+       // Set the tick period of the CPU and the Token Len
+       sw_w32(3815 << 8 | 1, RTL839X_SCHED_LB_TICK_TKN_PPS_CTRL);
+
+       // Set the Weighted Fair Queueing burst size
+       sw_w32_mask(0xffff, 4500, RTL839X_SCHED_LB_THR);
+
+       // Storm-rate calculation is based on bytes/sec (bit 5), include IFG (bit 6)
+       sw_w32_mask(0, 1 << 5 | 1 << 6, RTL839X_STORM_CTRL);
+
+       /* Based on the rate control mode being bytes/s
+        * set tick period and token length for 10G
+        */
+       sw_w32(18 << 10 | 151, RTL839X_STORM_CTRL_LB_TICK_TKN_CTRL_0);
+       /* and for 1G ports */
+       sw_w32(246 << 10 | 129, RTL839X_STORM_CTRL_LB_TICK_TKN_CTRL_1);
+
+       /* Set default burst rates on all ports (the same for 1G / 10G) with a PHY
+        * for UC, MC and BC
+        * For 1G port, the minimum burst rate is 1700, maximum 65535,
+        * For 10G ports it is 2650 and 1048575 respectively */
+       for (p = 0; p < priv->cpu_port; p++) {
+               if (priv->ports[p].phy && !priv->ports[p].is10G) {
+                       sw_w32_mask(0xffff, 0x8000, RTL839X_STORM_CTRL_PORT_UC_1(p));
+                       sw_w32_mask(0xffff, 0x8000, RTL839X_STORM_CTRL_PORT_MC_1(p));
+                       sw_w32_mask(0xffff, 0x8000, RTL839X_STORM_CTRL_PORT_BC_1(p));
+               }
+       }
+
+       /* Setup ingress/egress per-port rate control */
+       for (p = 0; p < priv->cpu_port; p++) {
+               if (!priv->ports[p].phy)
+                       continue;
+
+               if (priv->ports[p].is10G)
+                       rtl839x_set_egress_rate(priv, p, 625000); // 10GB/s
+               else
+                       rtl839x_set_egress_rate(priv, p, 62500);  // 1GB/s
+
+               // Setup queues: all RTL83XX SoCs have 8 queues, maximum rate
+               for (q = 0; q < 8; q++)
+                       rtl839x_egress_rate_queue_limit(priv, p, q, 0xfffff);
+
+               if (priv->ports[p].is10G) {
+                       // Set high threshold to maximum
+                       sw_w32_mask(0xffff, 0xffff, RTL839X_IGR_BWCTRL_PORT_CTRL_10G_0(p));
+               } else {
+                       // Set high threshold to maximum
+                       sw_w32_mask(0xffff, 0xffff, RTL839X_IGR_BWCTRL_PORT_CTRL_1(p));
+               }
+       }
+
+       // Set global ingress low watermark rate
+       sw_w32(65532, RTL839X_IGR_BWCTRL_CTRL_LB_THR);
+}
+
+
+
+void rtl838x_setup_prio2queue_matrix(int *min_queues)
+{
+       int i;
+       u32 v;
+
+       pr_info("Current Intprio2queue setting: %08x\n", sw_r32(RTL838X_QM_INTPRI2QID_CTRL));
+       for (i = 0; i < MAX_PRIOS; i++)
+               v |= i << (min_queues[i] * 3);
+       sw_w32(v, RTL838X_QM_INTPRI2QID_CTRL);
+}
+
+void rtl839x_setup_prio2queue_matrix(int *min_queues)
+{
+       int i, q;
+
+       pr_info("Current Intprio2queue setting: %08x\n", sw_r32(RTL839X_QM_INTPRI2QID_CTRL(0)));
+       for (i = 0; i < MAX_PRIOS; i++) {
+               q = min_queues[i];
+               sw_w32(i << (q * 3), RTL839X_QM_INTPRI2QID_CTRL(q));
+       }
+}
+
+/* Sets the CPU queue depending on the internal priority of a packet */
+void rtl83xx_setup_prio2queue_cpu_matrix(int *max_queues)
+{
+       int reg = soc_info.family == RTL8380_FAMILY_ID ? RTL838X_QM_PKT2CPU_INTPRI_MAP 
+                                       : RTL839X_QM_PKT2CPU_INTPRI_MAP;
+       int i;
+       u32 v;
+
+       pr_info("QM_PKT2CPU_INTPRI_MAP: %08x\n", sw_r32(reg));
+       for (i = 0; i < MAX_PRIOS; i++)
+               v |= max_queues[i] << (i * 3);
+       sw_w32(v, reg);
+}
+
+void rtl83xx_setup_default_prio2queue(void)
+{
+       if (soc_info.family == RTL8380_FAMILY_ID) {
+               rtl838x_setup_prio2queue_matrix(max_available_queue);
+       } else {
+               rtl839x_setup_prio2queue_matrix(max_available_queue);
+       }
+       rtl83xx_setup_prio2queue_cpu_matrix(max_available_queue);
+}
+
+/* Sets the output queue assigned to a port, the port can be the CPU-port */
+void rtl839x_set_egress_queue(int port, int queue)
+{
+       sw_w32(queue << ((port % 10) *3), RTL839X_QM_PORT_QNUM(port));
+}
+
+/* Sets the priority assigned of an ingress port, the port can be the CPU-port */
+void rtl83xx_set_ingress_priority(int port, int priority)
+{
+       if (soc_info.family == RTL8380_FAMILY_ID)
+               sw_w32(priority << ((port % 10) *3), RTL838X_PRI_SEL_PORT_PRI(port));
+       else
+               sw_w32(priority << ((port % 10) *3), RTL839X_PRI_SEL_PORT_PRI(port));
+       
+}
+
+int rtl839x_get_scheduling_algorithm(struct rtl838x_switch_priv *priv, int port)
+{
+       u32 v;
+
+       mutex_lock(&priv->reg_mutex);
+
+       rtl839x_read_scheduling_table(port);
+       v = sw_r32(RTL839X_TBL_ACCESS_DATA_2(8));
+
+       mutex_unlock(&priv->reg_mutex);
+
+       if (v & BIT(19))
+               return WEIGHTED_ROUND_ROBIN;
+       return WEIGHTED_FAIR_QUEUE;
+}
+
+void rtl839x_set_scheduling_algorithm(struct rtl838x_switch_priv *priv, int port,
+                                     enum scheduler_type sched)
+{
+       enum scheduler_type t = rtl839x_get_scheduling_algorithm(priv, port);
+       u32 v, oam_state, oam_port_state;
+       u32 count;
+       int i, egress_rate;
+
+       mutex_lock(&priv->reg_mutex);
+       /* Check whether we need to empty the egress queue of that port due to Errata E0014503 */
+       if (sched == WEIGHTED_FAIR_QUEUE && t == WEIGHTED_ROUND_ROBIN && port != priv->cpu_port) {
+               // Read Operations, Adminstatrion and Management control register
+               oam_state = sw_r32(RTL839X_OAM_CTRL);
+
+               // Get current OAM state
+               oam_port_state = sw_r32(RTL839X_OAM_PORT_ACT_CTRL(port));
+       
+               // Disable OAM to block traffice
+               v = sw_r32(RTL839X_OAM_CTRL);
+               sw_w32_mask(0, 1, RTL839X_OAM_CTRL);
+               v = sw_r32(RTL839X_OAM_CTRL);
+
+               // Set to trap action OAM forward (bits 1, 2) and OAM Mux Action Drop (bit 0)
+               sw_w32(0x2, RTL839X_OAM_PORT_ACT_CTRL(port));
+
+               // Set port egress rate to unlimited
+               egress_rate = rtl839x_set_egress_rate(priv, port, 0xFFFFF);
+       
+               // Wait until the egress used page count of that port is 0
+               i = 0;
+               do {
+                       usleep_range(100, 200);
+                       rtl839x_read_out_q_table(port);
+                       count = sw_r32(RTL839X_TBL_ACCESS_DATA_2(6));
+                       count >>= 20;
+                       i++;
+               } while (i < 3500 && count > 0);
+       }
+
+       // Actually set the scheduling algorithm
+       rtl839x_read_scheduling_table(port);
+       sw_w32_mask(BIT(19), sched ? BIT(19) : 0, RTL839X_TBL_ACCESS_DATA_2(8));
+       rtl839x_write_scheduling_table(port);
+
+       if (sched == WEIGHTED_FAIR_QUEUE && t == WEIGHTED_ROUND_ROBIN && port != priv->cpu_port) {
+               // Restore OAM state to control register
+               sw_w32(oam_state, RTL839X_OAM_CTRL);
+
+               // Restore trap action state
+               sw_w32(oam_port_state, RTL839X_OAM_PORT_ACT_CTRL(port));
+
+               // Restore port egress rate
+               rtl839x_set_egress_rate(priv, port, egress_rate);
+       }
+
+       mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl839x_set_scheduling_queue_weights(struct rtl838x_switch_priv *priv, int port,
+                                         int *queue_weights)
+{
+       int i, lsb, low_byte, start_bit, high_mask;
+
+       mutex_lock(&priv->reg_mutex);
+
+       rtl839x_read_scheduling_table(port);
+
+       for (i = 0; i < 8; i++) {
+               lsb = 48 + i * 8;
+               low_byte = 8 - (lsb >> 5);
+               start_bit = lsb - (low_byte << 5);
+               high_mask = 0x3ff >> (32 - start_bit);
+               sw_w32_mask(0x3ff << start_bit, (queue_weights[i] & 0x3ff) << start_bit,
+                               RTL839X_TBL_ACCESS_DATA_2(low_byte));
+               if (high_mask)
+                       sw_w32_mask(high_mask, (queue_weights[i] & 0x3ff) >> (32- start_bit),
+                                       RTL839X_TBL_ACCESS_DATA_2(low_byte - 1));
+       }
+
+       rtl839x_write_scheduling_table(port);
+       mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl838x_config_qos(void)
+{
+       int i, p;
+       u32 v;
+
+       pr_info("Setting up RTL838X QoS\n");
+       pr_info("RTL838X_PRI_SEL_TBL_CTRL(i): %08x\n", sw_r32(RTL838X_PRI_SEL_TBL_CTRL(0)));
+       rtl83xx_setup_default_prio2queue();
+
+       // Enable inner (bit 12) and outer (bit 13) priority remapping from DSCP
+       sw_w32_mask(0, BIT(12) | BIT(13), RTL838X_PRI_DSCP_INVLD_CTRL0);
+
+       /* Set default weight for calculating internal priority, in prio selection group 0
+        * Port based (prio 3), Port outer-tag (4), DSCP (5), Inner Tag (6), Outer Tag (7)
+        */
+       v = 3 | (4 << 3) | (5 << 6) | (6 << 9) | (7 << 12);
+       sw_w32(v, RTL838X_PRI_SEL_TBL_CTRL(0));
+
+       // Set the inner and outer priority one-to-one to re-marked outer dot1p priority
+       v = 0;
+       for (p = 0; p < 8; p++)
+               v |= p << (3 * p);
+       sw_w32(v, RTL838X_RMK_OPRI_CTRL);
+       sw_w32(v, RTL838X_RMK_IPRI_CTRL);
+
+       v = 0;
+       for (p = 0; p < 8; p++)
+               v |= (dot1p_priority_remapping[p] & 0x7) << (p * 3);
+       sw_w32(v, RTL838X_PRI_SEL_IPRI_REMAP);
+
+       // On all ports set scheduler type to WFQ
+       for (i = 0; i <= soc_info.cpu_port; i++)
+               sw_w32(0, RTL838X_SCHED_P_TYPE_CTRL(i));
+
+       // Enable egress scheduler for CPU-Port
+       sw_w32_mask(0, BIT(8), RTL838X_SCHED_LB_CTRL(soc_info.cpu_port));
+
+       // Enable egress drop allways on
+       sw_w32_mask(0, BIT(11), RTL838X_FC_P_EGR_DROP_CTRL(soc_info.cpu_port));
+
+       // Give special trap frames priority 7 (BPDUs) and routing exceptions:
+       sw_w32_mask(0, 7 << 3 | 7, RTL838X_QM_PKT2CPU_INTPRI_2);
+       // Give RMA frames priority 7:
+       sw_w32_mask(0, 7, RTL838X_QM_PKT2CPU_INTPRI_1);
+}
+
+void rtl839x_config_qos(void)
+{
+       int port, p, q;
+       u32 v;
+       struct rtl838x_switch_priv *priv = switch_priv;
+
+       pr_info("Setting up RTL839X QoS\n");
+       pr_info("RTL839X_PRI_SEL_TBL_CTRL(i): %08x\n", sw_r32(RTL839X_PRI_SEL_TBL_CTRL(0)));
+       rtl83xx_setup_default_prio2queue();
+
+       for (port = 0; port < soc_info.cpu_port; port++)
+               sw_w32(7, RTL839X_QM_PORT_QNUM(port));
+
+       // CPU-port gets queue number 7
+       sw_w32(7, RTL839X_QM_PORT_QNUM(soc_info.cpu_port));
+
+       for (port = 0; port <= soc_info.cpu_port; port++) {
+               rtl83xx_set_ingress_priority(port, 0);
+               rtl839x_set_scheduling_algorithm(priv, port, WEIGHTED_FAIR_QUEUE);
+               rtl839x_set_scheduling_queue_weights(priv, port, default_queue_weights);
+               // Do re-marking based on outer tag
+               sw_w32_mask(0, BIT(port % 32), RTL839X_RMK_PORT_DEI_TAG_CTRL(port));
+       }
+
+       // Remap dot1p priorities to internal priority, for this the outer tag needs be re-marked
+       v = 0;
+       for (p = 0; p < 8; p++)
+               v |= (dot1p_priority_remapping[p] & 0x7) << (p * 3);
+       sw_w32(v, RTL839X_PRI_SEL_IPRI_REMAP);
+       
+       /* Configure Drop Precedence for Drop Eligible Indicator (DEI)
+        * Index 0: 0
+        * Index 1: 2
+        * Each indicator is 2 bits long
+        */
+       sw_w32(2 << 2, RTL839X_PRI_SEL_DEI2DP_REMAP);
+
+       // Re-mark DEI: 4 bit-fields of 2 bits each, field 0 is bits 0-1, ...
+       sw_w32((0x1 << 2) | (0x1 << 4), RTL839X_RMK_DEI_CTRL);
+
+       /* Set Congestion avoidance drop probability to 0 for drop precedences 0-2 (bits 24-31)
+        * low threshold (bits 0-11) to 4095 and high threshold (bits 12-23) to 4095
+        * Weighted Random Early Detection (WRED) is used
+        */
+       sw_w32(4095 << 12| 4095, RTL839X_WRED_PORT_THR_CTRL(0));
+       sw_w32(4095 << 12| 4095, RTL839X_WRED_PORT_THR_CTRL(1));
+       sw_w32(4095 << 12| 4095, RTL839X_WRED_PORT_THR_CTRL(2));
+
+       /* Set queue-based congestion avoidance properties, register fields are as
+        * for forward RTL839X_WRED_PORT_THR_CTRL
+        */
+       for (q = 0; q < 8; q++) {
+               sw_w32(255 << 24 | 78 << 12 | 68, RTL839X_WRED_QUEUE_THR_CTRL(q, 0));
+               sw_w32(255 << 24 | 74 << 12 | 64, RTL839X_WRED_QUEUE_THR_CTRL(q, 0));
+               sw_w32(255 << 24 | 70 << 12 | 60, RTL839X_WRED_QUEUE_THR_CTRL(q, 0));
+       }
+}
+
+void __init rtl83xx_setup_qos(struct rtl838x_switch_priv *priv)
+{
+       switch_priv = priv;
+
+       pr_info("In %s\n", __func__);
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               return rtl838x_config_qos();
+       else if (priv->family_id == RTL8390_FAMILY_ID)
+               return rtl839x_config_qos();
+
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               rtl838x_rate_control_init(priv);
+       else if (priv->family_id == RTL8390_FAMILY_ID)
+               rtl839x_rate_control_init(priv);
+       
+}
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c
new file mode 100644 (file)
index 0000000..5d764b6
--- /dev/null
@@ -0,0 +1,859 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+extern struct mutex smi_lock;
+
+void rtl838x_print_matrix(void)
+{
+       unsigned volatile int *ptr8;
+       int i;
+
+       ptr8 = RTL838X_SW_BASE + RTL838X_PORT_ISO_CTRL(0);
+       for (i = 0; i < 28; i += 8)
+               pr_debug("> %8x %8x %8x %8x %8x %8x %8x %8x\n",
+                       ptr8[i + 0], ptr8[i + 1], ptr8[i + 2], ptr8[i + 3],
+                       ptr8[i + 4], ptr8[i + 5], ptr8[i + 6], ptr8[i + 7]);
+       pr_debug("CPU_PORT> %8x\n", ptr8[28]);
+}
+
+static inline int rtl838x_port_iso_ctrl(int p)
+{
+       return RTL838X_PORT_ISO_CTRL(p);
+}
+
+static inline void rtl838x_exec_tbl0_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL838X_TBL_ACCESS_CTRL_0);
+       do { } while (sw_r32(RTL838X_TBL_ACCESS_CTRL_0) & BIT(15));
+}
+
+static inline void rtl838x_exec_tbl1_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL838X_TBL_ACCESS_CTRL_1);
+       do { } while (sw_r32(RTL838X_TBL_ACCESS_CTRL_1) & BIT(15));
+}
+
+static inline int rtl838x_tbl_access_data_0(int i)
+{
+       return RTL838X_TBL_ACCESS_DATA_0(i);
+}
+
+static void rtl838x_vlan_tables_read(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v;
+       // Read VLAN table (0) via register 0
+       struct table_reg *r = rtl_table_get(RTL8380_TBL_0, 0);
+
+       rtl_table_read(r, vlan);
+       info->tagged_ports = sw_r32(rtl_table_data(r, 0));
+       v = sw_r32(rtl_table_data(r, 1));
+       pr_debug("VLAN_READ %d: %016llx %08x\n", vlan, info->tagged_ports, v);
+       rtl_table_release(r);
+
+       info->profile_id = v & 0x7;
+       info->hash_mc_fid = !!(v & 0x8);
+       info->hash_uc_fid = !!(v & 0x10);
+       info->fid = (v >> 5) & 0x3f;
+
+       // Read UNTAG table (0) via table register 1
+       r = rtl_table_get(RTL8380_TBL_1, 0);
+       rtl_table_read(r, vlan);
+       info->untagged_ports = sw_r32(rtl_table_data(r, 0));
+       rtl_table_release(r);
+}
+
+static void rtl838x_vlan_set_tagged(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v;
+       // Access VLAN table (0) via register 0
+       struct table_reg *r = rtl_table_get(RTL8380_TBL_0, 0);
+
+       sw_w32(info->tagged_ports, rtl_table_data(r, 0));
+
+       v = info->profile_id;
+       v |= info->hash_mc_fid ? 0x8 : 0;
+       v |= info->hash_uc_fid ? 0x10 : 0;
+       v |= ((u32)info->fid) << 5;
+       sw_w32(v, rtl_table_data(r, 1));
+
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+static void rtl838x_vlan_set_untagged(u32 vlan, u64 portmask)
+{
+       // Access UNTAG table (0) via register 1
+       struct table_reg *r = rtl_table_get(RTL8380_TBL_1, 0);
+
+       sw_w32(portmask & 0x1fffffff, rtl_table_data(r, 0));
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+/* Sets the L2 forwarding to be based on either the inner VLAN tag or the outer
+ */
+static void rtl838x_vlan_fwd_on_inner(int port, bool is_set)
+{
+       if (is_set)
+               sw_w32_mask(BIT(port), 0, RTL838X_VLAN_PORT_FWD);
+       else
+               sw_w32_mask(0, BIT(port), RTL838X_VLAN_PORT_FWD);
+}
+
+static u64 rtl838x_l2_hash_seed(u64 mac, u32 vid)
+{
+       return mac << 12 | vid;
+}
+
+/*
+ * Applies the same hash algorithm as the one used currently by the ASIC to the seed
+ * and returns a key into the L2 hash table
+ */
+static u32 rtl838x_l2_hash_key(struct rtl838x_switch_priv *priv, u64 seed)
+{
+       u32 h1, h2, h3, h;
+
+       if (sw_r32(priv->r->l2_ctrl_0) & 1) {
+               h1 = (seed >> 11) & 0x7ff;
+               h1 = ((h1 & 0x1f) << 6) | ((h1 >> 5) & 0x3f);
+
+               h2 = (seed >> 33) & 0x7ff;
+               h2 = ((h2 & 0x3f) << 5) | ((h2 >> 6) & 0x1f);
+
+               h3 = (seed >> 44) & 0x7ff;
+               h3 = ((h3 & 0x7f) << 4) | ((h3 >> 7) & 0xf);
+
+               h = h1 ^ h2 ^ h3 ^ ((seed >> 55) & 0x1ff);
+               h ^= ((seed >> 22) & 0x7ff) ^ (seed & 0x7ff);
+       } else {
+               h = ((seed >> 55) & 0x1ff) ^ ((seed >> 44) & 0x7ff)
+                       ^ ((seed >> 33) & 0x7ff) ^ ((seed >> 22) & 0x7ff)
+                       ^ ((seed >> 11) & 0x7ff) ^ (seed & 0x7ff);
+       }
+
+       return h;
+}
+
+static inline int rtl838x_mac_force_mode_ctrl(int p)
+{
+       return RTL838X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+static inline int rtl838x_mac_port_ctrl(int p)
+{
+       return RTL838X_MAC_PORT_CTRL(p);
+}
+
+static inline int rtl838x_l2_port_new_salrn(int p)
+{
+       return RTL838X_L2_PORT_NEW_SALRN(p);
+}
+
+static inline int rtl838x_l2_port_new_sa_fwd(int p)
+{
+       return RTL838X_L2_PORT_NEW_SA_FWD(p);
+}
+
+static inline int rtl838x_mac_link_spd_sts(int p)
+{
+       return RTL838X_MAC_LINK_SPD_STS(p);
+}
+
+inline static int rtl838x_trk_mbr_ctr(int group)
+{
+       return RTL838X_TRK_MBR_CTR + (group << 2);
+}
+
+/*
+ * Fills an L2 entry structure from the SoC registers
+ */
+static void rtl838x_fill_l2_entry(u32 r[], struct rtl838x_l2_entry *e)
+{
+       /* Table contains different entry types, we need to identify the right one:
+        * Check for MC entries, first
+        * In contrast to the RTL93xx SoCs, there is no valid bit, use heuristics to
+        * identify valid entries
+        */
+       e->is_ip_mc = !!(r[0] & BIT(22));
+       e->is_ipv6_mc = !!(r[0] & BIT(21));
+       e->type = L2_INVALID;
+
+       if (!e->is_ip_mc && !e->is_ipv6_mc) {
+               e->mac[0] = (r[1] >> 20);
+               e->mac[1] = (r[1] >> 12);
+               e->mac[2] = (r[1] >> 4);
+               e->mac[3] = (r[1] & 0xf) << 4 | (r[2] >> 28);
+               e->mac[4] = (r[2] >> 20);
+               e->mac[5] = (r[2] >> 12);
+
+               e->rvid = r[2] & 0xfff;
+               e->vid = r[0] & 0xfff;
+
+               /* Is it a unicast entry? check multicast bit */
+               if (!(e->mac[0] & 1)) {
+                       e->is_static = !!((r[0] >> 19) & 1);
+                       e->port = (r[0] >> 12) & 0x1f;
+                       e->block_da = !!(r[1] & BIT(30));
+                       e->block_sa = !!(r[1] & BIT(31));
+                       e->suspended = !!(r[1] & BIT(29));
+                       e->next_hop = !!(r[1] & BIT(28));
+                       if (e->next_hop) {
+                               pr_info("Found next hop entry, need to read extra data\n");
+                               e->nh_vlan_target = !!(r[0] & BIT(9));
+                               e->nh_route_id = r[0] & 0x1ff;
+                       }
+                       e->age = (r[0] >> 17) & 0x3;
+                       e->valid = true;
+                       
+                       /* A valid entry has one of mutli-cast, aging, sa/da-blocking,
+                        * next-hop or static entry bit set */
+                       if (!(r[0] & 0x007c0000) && !(r[1] & 0xd0000000))
+                               e->valid = false;
+                       else
+                               e->type = L2_UNICAST;
+               } else { // L2 multicast
+                       pr_info("Got L2 MC entry: %08x %08x %08x\n", r[0], r[1], r[2]);
+                       e->valid = true;
+                       e->type = L2_MULTICAST;
+                       e->mc_portmask_index = (r[0] >> 12) & 0x1ff;
+               }
+       } else { // IPv4 and IPv6 multicast
+               e->valid = true;
+               e->mc_portmask_index = (r[0] >> 12) & 0x1ff;
+               e->mc_gip = r[1];
+               e->mc_sip = r[2];
+               e->rvid = r[0] & 0xfff;
+       }
+       if (e->is_ip_mc)
+               e->type = IP4_MULTICAST;
+       if (e->is_ipv6_mc)
+               e->type = IP6_MULTICAST;
+}
+
+/*
+ * Fills the 3 SoC table registers r[] with the information of in the rtl838x_l2_entry
+ */
+static void rtl838x_fill_l2_row(u32 r[], struct rtl838x_l2_entry *e)
+{
+       u64 mac = ether_addr_to_u64(e->mac);
+
+       if (!e->valid) {
+               r[0] = r[1] = r[2] = 0;
+               return;
+       }
+
+       r[0] = e->is_ip_mc ? BIT(22) : 0;
+       r[0] |= e->is_ipv6_mc ? BIT(21) : 0;
+
+       if (!e->is_ip_mc && !e->is_ipv6_mc) {
+               r[1] = mac >> 20;
+               r[2] = (mac & 0xfffff) << 12;
+
+               /* Is it a unicast entry? check multicast bit */
+               if (!(e->mac[0] & 1)) {
+                       r[0] |= e->is_static ? BIT(19) : 0;
+                       r[0] |= (e->port & 0x3f) << 12;
+                       r[0] |= e->vid;
+                       r[1] |= e->block_da ? BIT(30) : 0;
+                       r[1] |= e->block_sa ? BIT(31) : 0;
+                       r[1] |= e->suspended ? BIT(29) : 0;
+                       r[2] |= e->rvid & 0xfff;
+                       if (e->next_hop) {
+                               r[1] |= BIT(28);
+                               r[0] |= e->nh_vlan_target ? BIT(9) : 0;
+                               r[0] |= e->nh_route_id &0x1ff;
+                       }
+                       r[0] |= (e->age & 0x3) << 17;
+               } else { // L2 Multicast
+                       r[0] |= (e->mc_portmask_index & 0x1ff) << 12;
+                       r[2] |= e->rvid & 0xfff;
+                       r[0] |= e->vid & 0xfff;
+                       pr_info("FILL MC: %08x %08x %08x\n", r[0], r[1], r[2]);
+               }
+       } else { // IPv4 and IPv6 multicast
+               r[1] = e->mc_gip;
+               r[2] = e->mc_sip;
+               r[0] |= e->rvid;
+       }
+}
+
+/*
+ * Read an L2 UC or MC entry out of a hash bucket of the L2 forwarding table
+ * hash is the id of the bucket and pos is the position of the entry in that bucket
+ * The data read from the SoC is filled into rtl838x_l2_entry
+ */
+static u64 rtl838x_read_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u64 entry;
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 0); // Access L2 Table 0
+       u32 idx = (0 << 14) | (hash << 2) | pos; // Search SRAM, with hash and at pos in bucket
+       int i;
+
+       rtl_table_read(q, idx);
+       for (i= 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl838x_fill_l2_entry(r, e);
+       if (!e->valid)
+               return 0;
+
+       entry = (((u64) r[1]) << 32) | (r[2] & 0xfffff000) | (r[0] & 0xfff);
+       return entry;
+}
+
+static void rtl838x_write_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 0);
+       int i;
+
+       u32 idx = (0 << 14) | (hash << 2) | pos; // Access SRAM, with hash and at pos in bucket
+
+       rtl838x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static u64 rtl838x_read_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u64 entry;
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 1); // Access L2 Table 1
+       int i;
+
+       rtl_table_read(q, idx);
+       for (i= 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl838x_fill_l2_entry(r, e);
+       if (!e->valid)
+               return 0;
+
+       pr_debug("Found in CAM: R1 %x R2 %x R3 %x\n", r[0], r[1], r[2]);
+
+       // Return MAC with concatenated VID ac concatenated ID
+       entry = (((u64) r[1]) << 32) | (r[2] & 0xfffff000) | (r[0] & 0xfff);
+       return entry;
+}
+
+static void rtl838x_write_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 1); // Access L2 Table 1
+       int i;
+
+       rtl838x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static u64 rtl838x_read_mcast_pmask(int idx)
+{
+       u32 portmask;
+       // Read MC_PMSK (2) via register RTL8380_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 2);
+
+       rtl_table_read(q, idx);
+       portmask = sw_r32(rtl_table_data(q, 0));
+       rtl_table_release(q);
+
+       return portmask;
+}
+
+static void rtl838x_write_mcast_pmask(int idx, u64 portmask)
+{
+       // Access MC_PMSK (2) via register RTL8380_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL8380_TBL_L2, 2);
+
+       sw_w32(((u32)portmask) & 0x1fffffff, rtl_table_data(q, 0));
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static void rtl838x_vlan_profile_setup(int profile)
+{
+       u32 pmask_id = UNKNOWN_MC_PMASK;
+       // Enable L2 Learning BIT 0, portmask UNKNOWN_MC_PMASK for unknown MC traffic flooding
+       u32 p = 1 | pmask_id << 1 | pmask_id << 10 | pmask_id << 19;
+
+       sw_w32(p, RTL838X_VLAN_PROFILE(profile));
+
+       /* RTL8380 and RTL8390 use an index into the portmask table to set the
+        * unknown multicast portmask, setup a default at a safe location
+        * On RTL93XX, the portmask is directly set in the profile,
+        * see e.g. rtl9300_vlan_profile_setup
+        */
+       rtl838x_write_mcast_pmask(UNKNOWN_MC_PMASK, 0x1fffffff);
+}
+
+static inline int rtl838x_vlan_port_egr_filter(int port)
+{
+       return RTL838X_VLAN_PORT_EGR_FLTR;
+}
+
+static inline int rtl838x_vlan_port_igr_filter(int port)
+{
+       return RTL838X_VLAN_PORT_IGR_FLTR(port);
+}
+
+static void rtl838x_stp_get(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 15 /* Execute cmd */
+               | 1 << 14 /* Read */
+               | 2 << 12 /* Table type 0b10 */
+               | (msti & 0xfff);
+       priv->r->exec_tbl0_cmd(cmd);
+
+       for (i = 0; i < 2; i++)
+               port_state[i] = sw_r32(priv->r->tbl_access_data_0(i));
+}
+
+static void rtl838x_stp_set(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 15 /* Execute cmd */
+               | 0 << 14 /* Write */
+               | 2 << 12 /* Table type 0b10 */
+               | (msti & 0xfff);
+
+       for (i = 0; i < 2; i++)
+               sw_w32(port_state[i], priv->r->tbl_access_data_0(i));
+       priv->r->exec_tbl0_cmd(cmd);
+}
+
+u64 rtl838x_traffic_get(int source)
+{
+       return rtl838x_get_port_reg(rtl838x_port_iso_ctrl(source));
+}
+
+void rtl838x_traffic_set(int source, u64 dest_matrix)
+{
+       rtl838x_set_port_reg(dest_matrix, rtl838x_port_iso_ctrl(source));
+}
+
+void rtl838x_traffic_enable(int source, int dest)
+{
+       rtl838x_mask_port_reg(0, BIT(dest), rtl838x_port_iso_ctrl(source));
+}
+
+void rtl838x_traffic_disable(int source, int dest)
+{
+       rtl838x_mask_port_reg(BIT(dest), 0, rtl838x_port_iso_ctrl(source));
+}
+
+/*
+ * Enables or disables the EEE/EEEP capability of a port
+ */
+static void rtl838x_port_eee_set(struct rtl838x_switch_priv *priv, int port, bool enable)
+{
+       u32 v;
+
+       // This works only for Ethernet ports, and on the RTL838X, ports from 24 are SFP
+       if (port >= 24)
+               return;
+
+       pr_debug("In %s: setting port %d to %d\n", __func__, port, enable);
+       v = enable ? 0x3 : 0x0;
+
+       // Set EEE state for 100 (bit 9) & 1000MBit (bit 10)
+       sw_w32_mask(0x3 << 9, v << 9, priv->r->mac_force_mode_ctrl(port));
+
+       // Set TX/RX EEE state
+       if (enable) {
+               sw_w32_mask(0, BIT(port), RTL838X_EEE_PORT_TX_EN);
+               sw_w32_mask(0, BIT(port), RTL838X_EEE_PORT_RX_EN);
+       } else {
+               sw_w32_mask(BIT(port), 0, RTL838X_EEE_PORT_TX_EN);
+               sw_w32_mask(BIT(port), 0, RTL838X_EEE_PORT_RX_EN);
+       }
+       priv->ports[port].eee_enabled = enable;
+}
+
+
+/*
+ * Get EEE own capabilities and negotiation result
+ */
+static int rtl838x_eee_port_ability(struct rtl838x_switch_priv *priv,
+                                   struct ethtool_eee *e, int port)
+{
+       u64 link;
+
+       if (port >= 24)
+               return 0;
+
+       link = rtl839x_get_port_reg_le(RTL838X_MAC_LINK_STS);
+       if (!(link & BIT(port)))
+               return 0;
+
+       if (sw_r32(rtl838x_mac_force_mode_ctrl(port)) & BIT(9))
+               e->advertised |= ADVERTISED_100baseT_Full;
+
+       if (sw_r32(rtl838x_mac_force_mode_ctrl(port)) & BIT(10))
+               e->advertised |= ADVERTISED_1000baseT_Full;
+
+       if (sw_r32(RTL838X_MAC_EEE_ABLTY) & BIT(port)) {
+               e->lp_advertised = ADVERTISED_100baseT_Full;
+               e->lp_advertised |= ADVERTISED_1000baseT_Full;
+               return 1;
+       }
+
+       return 0;
+}
+
+static void rtl838x_init_eee(struct rtl838x_switch_priv *priv, bool enable)
+{
+       int i;
+
+       pr_info("Setting up EEE, state: %d\n", enable);
+       sw_w32_mask(0x4, 0, RTL838X_SMI_GLB_CTRL);
+
+       /* Set timers for EEE */
+       sw_w32(0x5001411, RTL838X_EEE_TX_TIMER_GIGA_CTRL);
+       sw_w32(0x5001417, RTL838X_EEE_TX_TIMER_GELITE_CTRL);
+
+       // Enable EEE MAC support on ports
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy)
+                       rtl838x_port_eee_set(priv, i, enable);
+       }
+       priv->eee_enabled = enable;
+}
+
+const struct rtl838x_reg rtl838x_reg = {
+       .mask_port_reg_be = rtl838x_mask_port_reg,
+       .set_port_reg_be = rtl838x_set_port_reg,
+       .get_port_reg_be = rtl838x_get_port_reg,
+       .mask_port_reg_le = rtl838x_mask_port_reg,
+       .set_port_reg_le = rtl838x_set_port_reg,
+       .get_port_reg_le = rtl838x_get_port_reg,
+       .stat_port_rst = RTL838X_STAT_PORT_RST,
+       .stat_rst = RTL838X_STAT_RST,
+       .stat_port_std_mib = RTL838X_STAT_PORT_STD_MIB,
+       .port_iso_ctrl = rtl838x_port_iso_ctrl,
+       .traffic_enable = rtl838x_traffic_enable,
+       .traffic_disable = rtl838x_traffic_disable,
+       .traffic_get = rtl838x_traffic_get,
+       .traffic_set = rtl838x_traffic_set,
+       .l2_ctrl_0 = RTL838X_L2_CTRL_0,
+       .l2_ctrl_1 = RTL838X_L2_CTRL_1,
+       .l2_port_aging_out = RTL838X_L2_PORT_AGING_OUT,
+       .smi_poll_ctrl = RTL838X_SMI_POLL_CTRL,
+       .l2_tbl_flush_ctrl = RTL838X_L2_TBL_FLUSH_CTRL,
+       .exec_tbl0_cmd = rtl838x_exec_tbl0_cmd,
+       .exec_tbl1_cmd = rtl838x_exec_tbl1_cmd,
+       .tbl_access_data_0 = rtl838x_tbl_access_data_0,
+       .isr_glb_src = RTL838X_ISR_GLB_SRC,
+       .isr_port_link_sts_chg = RTL838X_ISR_PORT_LINK_STS_CHG,
+       .imr_port_link_sts_chg = RTL838X_IMR_PORT_LINK_STS_CHG,
+       .imr_glb = RTL838X_IMR_GLB,
+       .vlan_tables_read = rtl838x_vlan_tables_read,
+       .vlan_set_tagged = rtl838x_vlan_set_tagged,
+       .vlan_set_untagged = rtl838x_vlan_set_untagged,
+       .mac_force_mode_ctrl = rtl838x_mac_force_mode_ctrl,
+       .vlan_profile_dump = rtl838x_vlan_profile_dump,
+       .vlan_profile_setup = rtl838x_vlan_profile_setup,
+       .vlan_fwd_on_inner = rtl838x_vlan_fwd_on_inner,
+       .stp_get = rtl838x_stp_get,
+       .stp_set = rtl838x_stp_set,
+       .mac_port_ctrl = rtl838x_mac_port_ctrl,
+       .l2_port_new_salrn = rtl838x_l2_port_new_salrn,
+       .l2_port_new_sa_fwd = rtl838x_l2_port_new_sa_fwd,
+       .mir_ctrl = RTL838X_MIR_CTRL,
+       .mir_dpm = RTL838X_MIR_DPM_CTRL,
+       .mir_spm = RTL838X_MIR_SPM_CTRL,
+       .mac_link_sts = RTL838X_MAC_LINK_STS,
+       .mac_link_dup_sts = RTL838X_MAC_LINK_DUP_STS,
+       .mac_link_spd_sts = rtl838x_mac_link_spd_sts,
+       .mac_rx_pause_sts = RTL838X_MAC_RX_PAUSE_STS,
+       .mac_tx_pause_sts = RTL838X_MAC_TX_PAUSE_STS,
+       .read_l2_entry_using_hash = rtl838x_read_l2_entry_using_hash,
+       .write_l2_entry_using_hash = rtl838x_write_l2_entry_using_hash,
+       .read_cam = rtl838x_read_cam,
+       .write_cam = rtl838x_write_cam,
+       .vlan_port_egr_filter = RTL838X_VLAN_PORT_EGR_FLTR,
+       .vlan_port_igr_filter = RTL838X_VLAN_PORT_IGR_FLTR(0),
+       .vlan_port_pb = RTL838X_VLAN_PORT_PB_VLAN,
+       .vlan_port_tag_sts_ctrl = RTL838X_VLAN_PORT_TAG_STS_CTRL,
+       .trk_mbr_ctr = rtl838x_trk_mbr_ctr,
+       .rma_bpdu_fld_pmask = RTL838X_RMA_BPDU_FLD_PMSK,
+       .spcl_trap_eapol_ctrl = RTL838X_SPCL_TRAP_EAPOL_CTRL,
+       .init_eee = rtl838x_init_eee,
+       .port_eee_set = rtl838x_port_eee_set,
+       .eee_port_ability = rtl838x_eee_port_ability,
+       .l2_hash_seed = rtl838x_l2_hash_seed, 
+       .l2_hash_key = rtl838x_l2_hash_key,
+       .read_mcast_pmask = rtl838x_read_mcast_pmask,
+       .write_mcast_pmask = rtl838x_write_mcast_pmask,
+};
+
+irqreturn_t rtl838x_switch_irq(int irq, void *dev_id)
+{
+       struct dsa_switch *ds = dev_id;
+       u32 status = sw_r32(RTL838X_ISR_GLB_SRC);
+       u32 ports = sw_r32(RTL838X_ISR_PORT_LINK_STS_CHG);
+       u32 link;
+       int i;
+
+       /* Clear status */
+       sw_w32(ports, RTL838X_ISR_PORT_LINK_STS_CHG);
+       pr_info("RTL8380 Link change: status: %x, ports %x\n", status, ports);
+
+       for (i = 0; i < 28; i++) {
+               if (ports & BIT(i)) {
+                       link = sw_r32(RTL838X_MAC_LINK_STS);
+                       if (link & BIT(i))
+                               dsa_port_phylink_mac_change(ds, i, true);
+                       else
+                               dsa_port_phylink_mac_change(ds, i, false);
+               }
+       }
+       return IRQ_HANDLED;
+}
+
+int rtl838x_smi_wait_op(int timeout)
+{
+       do {
+               timeout--;
+               udelay(10);
+       } while ((sw_r32(RTL838X_SMI_ACCESS_PHY_CTRL_1) & 0x1) && (timeout >= 0));
+       if (timeout <= 0)
+               return -1;
+       return 0;
+}
+
+/*
+ * Reads a register in a page from the PHY
+ */
+int rtl838x_read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{
+       u32 v;
+       u32 park_page;
+
+       if (port > 31) {
+               *val = 0xffff;
+               return 0;
+       }
+
+       if (page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       sw_w32_mask(0xffff0000, port << 16, RTL838X_SMI_ACCESS_PHY_CTRL_2);
+
+       park_page = sw_r32(RTL838X_SMI_ACCESS_PHY_CTRL_1) & ((0x1f << 15) | 0x2);
+       v = reg << 20 | page << 3;
+       sw_w32(v | park_page, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+       sw_w32_mask(0, 1, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       *val = sw_r32(RTL838X_SMI_ACCESS_PHY_CTRL_2) & 0xffff;
+
+       mutex_unlock(&smi_lock);
+       return 0;
+
+timeout:
+       mutex_unlock(&smi_lock);
+       return -ETIMEDOUT;
+}
+
+/*
+ * Write to a register in a page of the PHY
+ */
+int rtl838x_write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       u32 v;
+       u32 park_page;
+
+       val &= 0xffff;
+       if (port > 31 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       sw_w32(BIT(port), RTL838X_SMI_ACCESS_PHY_CTRL_0);
+       mdelay(10);
+
+       sw_w32_mask(0xffff0000, val << 16, RTL838X_SMI_ACCESS_PHY_CTRL_2);
+
+       park_page = sw_r32(RTL838X_SMI_ACCESS_PHY_CTRL_1) & ((0x1f << 15) | 0x2);
+       v = reg << 20 | page << 3 | 0x4;
+       sw_w32(v | park_page, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+       sw_w32_mask(0, 1, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       mutex_unlock(&smi_lock);
+       return 0;
+
+timeout:
+       mutex_unlock(&smi_lock);
+       return -ETIMEDOUT;
+}
+
+/*
+ * Read an mmd register of a PHY
+ */
+int rtl838x_read_mmd_phy(u32 port, u32 addr, u32 reg, u32 *val)
+{
+       u32 v;
+
+       mutex_lock(&smi_lock);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       sw_w32(1 << port, RTL838X_SMI_ACCESS_PHY_CTRL_0);
+       mdelay(10);
+
+       sw_w32_mask(0xffff0000, port << 16, RTL838X_SMI_ACCESS_PHY_CTRL_2);
+
+       v = addr << 16 | reg;
+       sw_w32(v, RTL838X_SMI_ACCESS_PHY_CTRL_3);
+
+       /* mmd-access | read | cmd-start */
+       v = 1 << 1 | 0 << 2 | 1;
+       sw_w32(v, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       *val = sw_r32(RTL838X_SMI_ACCESS_PHY_CTRL_2) & 0xffff;
+
+       mutex_unlock(&smi_lock);
+       return 0;
+
+timeout:
+       mutex_unlock(&smi_lock);
+       return -ETIMEDOUT;
+}
+
+/*
+ * Write to an mmd register of a PHY
+ */
+int rtl838x_write_mmd_phy(u32 port, u32 addr, u32 reg, u32 val)
+{
+       u32 v;
+
+       pr_debug("MMD write: port %d, dev %d, reg %d, val %x\n", port, addr, reg, val);
+       val &= 0xffff;
+       mutex_lock(&smi_lock);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       sw_w32(1 << port, RTL838X_SMI_ACCESS_PHY_CTRL_0);
+       mdelay(10);
+
+       sw_w32_mask(0xffff0000, val << 16, RTL838X_SMI_ACCESS_PHY_CTRL_2);
+
+       sw_w32_mask(0x1f << 16, addr << 16, RTL838X_SMI_ACCESS_PHY_CTRL_3);
+       sw_w32_mask(0xffff, reg, RTL838X_SMI_ACCESS_PHY_CTRL_3);
+       /* mmd-access | write | cmd-start */
+       v = 1 << 1 | 1 << 2 | 1;
+       sw_w32(v, RTL838X_SMI_ACCESS_PHY_CTRL_1);
+
+       if (rtl838x_smi_wait_op(10000))
+               goto timeout;
+
+       mutex_unlock(&smi_lock);
+       return 0;
+
+timeout:
+       mutex_unlock(&smi_lock);
+       return -ETIMEDOUT;
+}
+
+void rtl8380_get_version(struct rtl838x_switch_priv *priv)
+{
+       u32 rw_save, info_save;
+       u32 info;
+
+       rw_save = sw_r32(RTL838X_INT_RW_CTRL);
+       sw_w32(rw_save | 0x3, RTL838X_INT_RW_CTRL);
+
+       info_save = sw_r32(RTL838X_CHIP_INFO);
+       sw_w32(info_save | 0xA0000000, RTL838X_CHIP_INFO);
+
+       info = sw_r32(RTL838X_CHIP_INFO);
+       sw_w32(info_save, RTL838X_CHIP_INFO);
+       sw_w32(rw_save, RTL838X_INT_RW_CTRL);
+
+       if ((info & 0xFFFF) == 0x6275) {
+               if (((info >> 16) & 0x1F) == 0x1)
+                       priv->version = RTL8380_VERSION_A;
+               else if (((info >> 16) & 0x1F) == 0x2)
+                       priv->version = RTL8380_VERSION_B;
+               else
+                       priv->version = RTL8380_VERSION_B;
+       } else {
+               priv->version = '-';
+       }
+}
+
+void rtl838x_vlan_profile_dump(int profile)
+{
+       u32 p;
+
+       if (profile < 0 || profile > 7)
+               return;
+
+       p = sw_r32(RTL838X_VLAN_PROFILE(profile));
+
+       pr_info("VLAN profile %d: L2 learning: %d, UNKN L2MC FLD PMSK %d, \
+               UNKN IPMC FLD PMSK %d, UNKN IPv6MC FLD PMSK: %d",
+               profile, p & 1, (p >> 1) & 0x1ff, (p >> 10) & 0x1ff, (p >> 19) & 0x1ff);
+}
+
+void rtl8380_sds_rst(int mac)
+{
+       u32 offset = (mac == 24) ? 0 : 0x100;
+
+       sw_w32_mask(1 << 11, 0, RTL838X_SDS4_FIB_REG0 + offset);
+       sw_w32_mask(0x3, 0, RTL838X_SDS4_REG28 + offset);
+       sw_w32_mask(0x3, 0x3, RTL838X_SDS4_REG28 + offset);
+       sw_w32_mask(0, 0x1 << 6, RTL838X_SDS4_DUMMY0 + offset);
+       sw_w32_mask(0x1 << 6, 0, RTL838X_SDS4_DUMMY0 + offset);
+       pr_debug("SERDES reset: %d\n", mac);
+}
+
+int rtl8380_sds_power(int mac, int val)
+{
+       u32 mode = (val == 1) ? 0x4 : 0x9;
+       u32 offset = (mac == 24) ? 5 : 0;
+
+       if ((mac != 24) && (mac != 26)) {
+               pr_err("%s: not a fibre port: %d\n", __func__, mac);
+               return -1;
+       }
+
+       sw_w32_mask(0x1f << offset, mode << offset, RTL838X_SDS_MODE_SEL);
+
+       rtl8380_sds_rst(mac);
+
+       return 0;
+}
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h
new file mode 100644 (file)
index 0000000..b209736
--- /dev/null
@@ -0,0 +1,526 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _RTL838X_H
+#define _RTL838X_H
+
+#include <net/dsa.h>
+
+/*
+ * Register definition
+ */
+#define RTL838X_MAC_PORT_CTRL(port)            (0xd560 + (((port) << 7)))
+#define RTL839X_MAC_PORT_CTRL(port)            (0x8004 + (((port) << 7)))
+#define RTL930X_MAC_PORT_CTRL(port)            (0x3260 + (((port) << 6)))
+#define RTL930X_MAC_L2_PORT_CTRL(port)         (0x3268 + (((port) << 6)))
+#define RTL931X_MAC_PORT_CTRL(port)            (0x6004 + (((port) << 7)))
+
+#define RTL838X_RST_GLB_CTRL_0                 (0x003c)
+
+#define RTL838X_MAC_FORCE_MODE_CTRL            (0xa104)
+#define RTL839X_MAC_FORCE_MODE_CTRL            (0x02bc)
+#define RTL930X_MAC_FORCE_MODE_CTRL            (0xCA1C)
+#define RTL931X_MAC_FORCE_MODE_CTRL            (0x0DCC)
+
+#define RTL838X_DMY_REG31                      (0x3b28)
+#define RTL838X_SDS_MODE_SEL                   (0x0028)
+#define RTL838X_SDS_CFG_REG                    (0x0034)
+#define RTL838X_INT_MODE_CTRL                  (0x005c)
+#define RTL838X_CHIP_INFO                      (0x00d8)
+#define RTL839X_CHIP_INFO                      (0x0ff4)
+#define RTL838X_PORT_ISO_CTRL(port)            (0x4100 + ((port) << 2))
+#define RTL839X_PORT_ISO_CTRL(port)            (0x1400 + ((port) << 3))
+
+/* Packet statistics */
+#define RTL838X_STAT_PORT_STD_MIB              (0x1200)
+#define RTL839X_STAT_PORT_STD_MIB              (0xC000)
+#define RTL930X_STAT_PORT_MIB_CNTR             (0x0664)
+#define RTL838X_STAT_RST                       (0x3100)
+#define RTL839X_STAT_RST                       (0xF504)
+#define RTL930X_STAT_RST                       (0x3240)
+#define RTL931X_STAT_RST                       (0x7ef4)
+#define RTL838X_STAT_PORT_RST                  (0x3104)
+#define RTL839X_STAT_PORT_RST                  (0xF508)
+#define RTL930X_STAT_PORT_RST                  (0x3244)
+#define RTL931X_STAT_PORT_RST                  (0x7ef8)
+#define RTL838X_STAT_CTRL                      (0x3108)
+#define RTL839X_STAT_CTRL                      (0x04cc)
+#define RTL930X_STAT_CTRL                      (0x3248)
+#define RTL931X_STAT_CTRL                      (0x5720)
+
+/* Registers of the internal Serdes of the 8390 */
+#define RTL8390_SDS0_1_XSG0                    (0xA000)
+#define RTL8390_SDS0_1_XSG1                    (0xA100)
+#define RTL839X_SDS12_13_XSG0                  (0xB800)
+#define RTL839X_SDS12_13_XSG1                  (0xB900)
+#define RTL839X_SDS12_13_PWR0                  (0xb880)
+#define RTL839X_SDS12_13_PWR1                  (0xb980)
+
+/* Registers of the internal Serdes of the 8380 */
+#define RTL838X_SDS4_FIB_REG0                  (0xF800)
+#define RTL838X_SDS4_REG28                     (0xef80)
+#define RTL838X_SDS4_DUMMY0                    (0xef8c)
+#define RTL838X_SDS5_EXT_REG6                  (0xf18c)
+
+/* VLAN registers */
+#define RTL838X_VLAN_CTRL                      (0x3A74)
+#define RTL838X_VLAN_PROFILE(idx)              (0x3A88 + ((idx) << 2))
+#define RTL838X_VLAN_PORT_EGR_FLTR             (0x3A84)
+#define RTL838X_VLAN_PORT_PB_VLAN              (0x3C00)
+#define RTL838X_VLAN_PORT_IGR_FLTR(port)       (0x3A7C + (((port >> 4) << 2)))
+#define RTL838X_VLAN_PORT_IGR_FLTR_0           (0x3A7C)
+#define RTL838X_VLAN_PORT_IGR_FLTR_1           (0x3A7C + 4)
+#define RTL838X_VLAN_PORT_TAG_STS_CTRL         (0xA530)
+
+#define RTL839X_VLAN_PROFILE(idx)              (0x25C0 + (((idx) << 3)))
+#define RTL839X_VLAN_CTRL                      (0x26D4)
+#define RTL839X_VLAN_PORT_PB_VLAN              (0x26D8)
+#define RTL839X_VLAN_PORT_IGR_FLTR(port)       (0x27B4 + (((port >> 4) << 2)))
+#define RTL839X_VLAN_PORT_EGR_FLTR(port)       (0x27C4 + (((port >> 5) << 2)))
+#define RTL839X_VLAN_PORT_TAG_STS_CTRL         (0x6828)
+
+#define RTL930X_VLAN_PROFILE_SET(idx)          (0x9c60 + (((idx) * 20)))
+#define RTL930X_VLAN_CTRL                      (0x82D4)
+#define RTL930X_VLAN_PORT_PB_VLAN              (0x82D8)
+#define RTL930X_VLAN_PORT_IGR_FLTR(port)       (0x83C0 + (((port >> 4) << 2)))
+#define RTL930X_VLAN_PORT_EGR_FLTR             (0x83C8)
+#define RTL930X_VLAN_PORT_TAG_STS_CTRL         (0xCE24)
+
+#define RTL931X_VLAN_PROFILE_SET(idx)          (0x9800 + (((idx) * 28)))
+#define RTL931X_VLAN_CTRL                      (0x94E4)
+#define RTL931X_VLAN_PORT_IGR_FLTR(port)       (0x96B4 + (((port >> 4) << 2)))
+#define RTL931X_VLAN_PORT_EGR_FLTR(port)       (0x96C4 + (((port >> 5) << 2)))
+#define RTL931X_VLAN_PORT_TAG_CTRL             (0x4860)
+
+/* Table access registers */
+#define RTL838X_TBL_ACCESS_CTRL_0              (0x6914)
+#define RTL838X_TBL_ACCESS_DATA_0(idx)         (0x6918 + ((idx) << 2))
+#define RTL838X_TBL_ACCESS_CTRL_1              (0xA4C8)
+#define RTL838X_TBL_ACCESS_DATA_1(idx)         (0xA4CC + ((idx) << 2))
+
+#define RTL839X_TBL_ACCESS_CTRL_0              (0x1190)
+#define RTL839X_TBL_ACCESS_DATA_0(idx)         (0x1194 + ((idx) << 2))
+#define RTL839X_TBL_ACCESS_CTRL_1              (0x6b80)
+#define RTL839X_TBL_ACCESS_DATA_1(idx)         (0x6b84 + ((idx) << 2))
+#define RTL839X_TBL_ACCESS_CTRL_2              (0x611C)
+#define RTL839X_TBL_ACCESS_DATA_2(i)           (0x6120 + (((i) << 2)))
+
+#define RTL930X_TBL_ACCESS_CTRL_0              (0xB340)
+#define RTL930X_TBL_ACCESS_DATA_0(idx)         (0xB344 + ((idx) << 2))
+#define RTL930X_TBL_ACCESS_CTRL_1              (0xB3A0)
+#define RTL930X_TBL_ACCESS_DATA_1(idx)         (0xB3A4 + ((idx) << 2))
+#define RTL930X_TBL_ACCESS_CTRL_2              (0xCE04)
+#define RTL930X_TBL_ACCESS_DATA_2(i)           (0xCE08 + (((i) << 2)))
+
+#define RTL931X_TBL_ACCESS_CTRL_0              (0x8500)
+#define RTL931X_TBL_ACCESS_DATA_0(idx)         (0x8508 + ((idx) << 2))
+#define RTL931X_TBL_ACCESS_CTRL_1              (0x40C0)
+#define RTL931X_TBL_ACCESS_DATA_1(idx)         (0x40C4 + ((idx) << 2))
+#define RTL931X_TBL_ACCESS_CTRL_2              (0x8528)
+#define RTL931X_TBL_ACCESS_DATA_2(i)           (0x852C + (((i) << 2)))
+#define RTL931X_TBL_ACCESS_CTRL_3              (0x0200)
+#define RTL931X_TBL_ACCESS_DATA_3(i)           (0x0204 + (((i) << 2)))
+#define RTL931X_TBL_ACCESS_CTRL_4              (0x20DC)
+#define RTL931X_TBL_ACCESS_DATA_4(i)           (0x20E0 + (((i) << 2)))
+#define RTL931X_TBL_ACCESS_CTRL_5              (0x7E1C)
+#define RTL931X_TBL_ACCESS_DATA_5(i)           (0x7E20 + (((i) << 2)))
+
+/* MAC handling */
+#define RTL838X_MAC_LINK_STS                   (0xa188)
+#define RTL839X_MAC_LINK_STS                   (0x0390)
+#define RTL930X_MAC_LINK_STS                   (0xCB10)
+#define RTL931X_MAC_LINK_STS                   (0x0EC0)
+#define RTL838X_MAC_LINK_SPD_STS(p)            (0xa190 + (((p >> 4) << 2)))
+#define RTL839X_MAC_LINK_SPD_STS(p)            (0x03a0 + (((p >> 4) << 2)))
+#define RTL930X_MAC_LINK_SPD_STS(p)            (0xCB18 + (((p >> 3) << 2)))
+#define RTL931X_MAC_LINK_SPD_STS(p)            (0x0ED0 + (((p >> 3) << 2)))
+#define RTL838X_MAC_LINK_DUP_STS               (0xa19c)
+#define RTL839X_MAC_LINK_DUP_STS               (0x03b0)
+#define RTL930X_MAC_LINK_DUP_STS               (0xCB28)
+#define RTL931X_MAC_LINK_DUP_STS               (0x0EF0)
+#define RTL838X_MAC_TX_PAUSE_STS               (0xa1a0)
+#define RTL839X_MAC_TX_PAUSE_STS               (0x03b8)
+#define RTL930X_MAC_TX_PAUSE_STS               (0xCB2C)
+#define RTL931X_MAC_TX_PAUSE_STS               (0x0EF8)
+#define RTL838X_MAC_RX_PAUSE_STS               (0xa1a4)
+#define RTL839X_MAC_RX_PAUSE_STS               (0x03c0)
+#define RTL930X_MAC_RX_PAUSE_STS               (0xCB30)
+#define RTL931X_MAC_RX_PAUSE_STS               (0x0F00)
+
+/* MAC link state bits */
+#define FORCE_EN                               (1 << 0)
+#define FORCE_LINK_EN                          (1 << 1)
+#define NWAY_EN                                        (1 << 2)
+#define DUPLX_MODE                             (1 << 3)
+#define TX_PAUSE_EN                            (1 << 6)
+#define RX_PAUSE_EN                            (1 << 7)
+
+/* EEE */
+#define RTL838X_MAC_EEE_ABLTY                  (0xa1a8)
+#define RTL838X_EEE_PORT_TX_EN                 (0x014c)
+#define RTL838X_EEE_PORT_RX_EN                 (0x0150)
+#define RTL838X_EEE_CLK_STOP_CTRL              (0x0148)
+#define RTL838X_EEE_TX_TIMER_GIGA_CTRL         (0xaa04)
+#define RTL838X_EEE_TX_TIMER_GELITE_CTRL       (0xaa08)
+
+#define RTL839X_EEE_TX_TIMER_GELITE_CTRL       (0x042C)
+#define RTL839X_EEE_TX_TIMER_GIGA_CTRL         (0x0430)
+#define RTL839X_EEE_TX_TIMER_10G_CTRL          (0x0434)
+#define RTL839X_EEE_CTRL(p)                    (0x8008 + ((p) << 7))
+#define RTL839X_MAC_EEE_ABLTY                  (0x03C8)
+
+#define RTL930X_MAC_EEE_ABLTY                  (0xCB34)
+#define RTL930X_EEE_CTRL(p)                    (0x3274 + ((p) << 6))
+#define RTL930X_EEEP_PORT_CTRL(p)              (0x3278 + ((p) << 6))
+
+/* L2 functionality */
+#define RTL838X_L2_CTRL_0                      (0x3200)
+#define RTL839X_L2_CTRL_0                      (0x3800)
+#define RTL930X_L2_CTRL                                (0x8FD8)
+#define RTL931X_L2_CTRL                                (0xC800)
+#define RTL838X_L2_CTRL_1                      (0x3204)
+#define RTL839X_L2_CTRL_1                      (0x3804)
+#define RTL930X_L2_AGE_CTRL                    (0x8FDC)
+#define RTL931X_L2_AGE_CTRL                    (0xC804)
+#define RTL838X_L2_PORT_AGING_OUT              (0x3358)
+#define RTL839X_L2_PORT_AGING_OUT              (0x3b74)
+#define        RTL930X_L2_PORT_AGE_CTRL                (0x8FE0)
+#define        RTL931X_L2_PORT_AGE_CTRL                (0xc808)
+#define RTL838X_TBL_ACCESS_L2_CTRL             (0x6900)
+#define RTL839X_TBL_ACCESS_L2_CTRL             (0x1180)
+#define RTL930X_TBL_ACCESS_L2_CTRL             (0xB320)
+#define RTL930X_TBL_ACCESS_L2_METHOD_CTRL      (0xB324)
+#define RTL838X_TBL_ACCESS_L2_DATA(idx)                (0x6908 + ((idx) << 2))
+#define RTL839X_TBL_ACCESS_L2_DATA(idx)                (0x1184 + ((idx) << 2))
+#define RTL930X_TBL_ACCESS_L2_DATA(idx)                (0xab08 + ((idx) << 2))
+#define RTL838X_L2_TBL_FLUSH_CTRL              (0x3370)
+#define RTL839X_L2_TBL_FLUSH_CTRL              (0x3ba0)
+#define RTL930X_L2_TBL_FLUSH_CTRL              (0x9404)
+#define RTL931X_L2_TBL_FLUSH_CTRL              (0xCD9C)
+
+#define RTL838X_L2_PORT_NEW_SALRN(p)           (0x328c + (((p >> 4) << 2)))
+#define RTL839X_L2_PORT_NEW_SALRN(p)           (0x38F0 + (((p >> 4) << 2)))
+#define RTL930X_L2_PORT_SALRN(p)               (0x8FEC + (((p >> 4) << 2)))
+#define RTL931X_L2_PORT_NEW_SALRN(p)           (0xC820 + (((p >> 4) << 2)))
+#define RTL838X_L2_PORT_NEW_SA_FWD(p)          (0x3294 + (((p >> 4) << 2)))
+#define RTL839X_L2_PORT_NEW_SA_FWD(p)          (0x3900 + (((p >> 4) << 2)))
+#define RTL930X_L2_PORT_NEW_SA_FWD(p)          (0x8FF4 + (((p / 10) << 2)))
+#define RTL931X_L2_PORT_NEW_SA_FWD(p)          (0xC830 + (((p / 10) << 2)))
+
+#define RTL930X_ST_CTRL                                (0x8798)
+
+#define RTL930X_L2_PORT_SABLK_CTRL             (0x905c)
+#define RTL930X_L2_PORT_DABLK_CTRL             (0x9060)
+
+#define RTL838X_RMA_BPDU_FLD_PMSK              (0x4348)
+#define RTL930X_RMA_BPDU_FLD_PMSK              (0x9F18)
+#define RTL931X_RMA_BPDU_FLD_PMSK              (0x8950)
+#define RTL839X_RMA_BPDU_FLD_PMSK              (0x125C)
+
+#define RTL838X_L2_PORT_LM_ACT(p)              (0x3208 + ((p) << 2))
+#define RTL838X_VLAN_PORT_FWD                  (0x3A78)
+#define RTL839X_VLAN_PORT_FWD                  (0x27AC)
+#define RTL930X_VLAN_PORT_FWD                  (0x834C)
+#define RTL838X_VLAN_FID_CTRL                  (0x3aa8)
+
+/* Port Mirroring */
+#define RTL838X_MIR_CTRL                       (0x5D00)
+#define RTL838X_MIR_DPM_CTRL                   (0x5D20)
+#define RTL838X_MIR_SPM_CTRL                   (0x5D10)
+
+#define RTL839X_MIR_CTRL                       (0x2500)
+#define RTL839X_MIR_DPM_CTRL                   (0x2530)
+#define RTL839X_MIR_SPM_CTRL                   (0x2510)
+
+#define RTL930X_MIR_CTRL                       (0xA2A0)
+#define RTL930X_MIR_DPM_CTRL                   (0xA2C0)
+#define RTL930X_MIR_SPM_CTRL                   (0xA2B0)
+
+#define RTL931X_MIR_CTRL                       (0xAF00)
+#define RTL931X_MIR_DPM_CTRL                   (0xAF30)
+#define RTL931X_MIR_SPM_CTRL                   (0xAF10)
+
+/* Storm/rate control and scheduling */
+#define RTL838X_STORM_CTRL                     (0x4700)
+#define RTL839X_STORM_CTRL                     (0x1800)
+#define RTL838X_STORM_CTRL_LB_CTRL(p)          (0x4884 + (((p) << 2)))
+#define RTL838X_STORM_CTRL_BURST_PPS_0         (0x4874)
+#define RTL838X_STORM_CTRL_BURST_PPS_1         (0x4878)
+#define RTL838X_STORM_CTRL_BURST_0             (0x487c)
+#define RTL838X_STORM_CTRL_BURST_1             (0x4880)
+#define RTL839X_STORM_CTRL_LB_TICK_TKN_CTRL_0  (0x1804)
+#define RTL839X_STORM_CTRL_LB_TICK_TKN_CTRL_1  (0x1808)
+#define RTL838X_SCHED_CTRL                     (0xB980)
+#define RTL839X_SCHED_CTRL                     (0x60F4)
+#define RTL838X_SCHED_LB_TICK_TKN_CTRL_0       (0xAD58)
+#define RTL838X_SCHED_LB_TICK_TKN_CTRL_1       (0xAD5C)
+#define RTL839X_SCHED_LB_TICK_TKN_CTRL_0       (0x1804)
+#define RTL839X_SCHED_LB_TICK_TKN_CTRL_1       (0x1808)
+#define RTL839X_STORM_CTRL_SPCL_LB_TICK_TKN_CTRL (0x2000)
+#define RTL839X_IGR_BWCTRL_LB_TICK_TKN_CTRL_0  (0x1604)
+#define RTL839X_IGR_BWCTRL_LB_TICK_TKN_CTRL_1  (0x1608)
+#define RTL839X_SCHED_LB_TICK_TKN_CTRL         (0x60F8)
+#define RTL839X_SCHED_LB_TICK_TKN_PPS_CTRL     (0x6200)
+#define RTL838X_SCHED_LB_THR                   (0xB984)
+#define RTL839X_SCHED_LB_THR                   (0x60FC)
+#define RTL838X_SCHED_P_EGR_RATE_CTRL(p)       (0xC008 + (((p) << 7)))
+#define RTL838X_SCHED_Q_EGR_RATE_CTRL(p, q)    (0xC00C + (p << 7) + (((q) << 2)))
+#define RTL838X_STORM_CTRL_PORT_BC_EXCEED      (0x470C)
+#define RTL838X_STORM_CTRL_PORT_MC_EXCEED      (0x4710)
+#define RTL838X_STORM_CTRL_PORT_UC_EXCEED      (0x4714)
+#define RTL839X_STORM_CTRL_PORT_BC_EXCEED(p)   (0x180c + (((p >> 5) << 2)))
+#define RTL839X_STORM_CTRL_PORT_MC_EXCEED(p)   (0x1814 + (((p >> 5) << 2)))
+#define RTL839X_STORM_CTRL_PORT_UC_EXCEED(p)   (0x181c + (((p >> 5) << 2)))
+#define RTL838X_STORM_CTRL_PORT_UC(p)          (0x4718 + (((p) << 2)))
+#define RTL838X_STORM_CTRL_PORT_MC(p)          (0x478c + (((p) << 2)))
+#define RTL838X_STORM_CTRL_PORT_BC(p)          (0x4800 + (((p) << 2)))
+#define RTL839X_STORM_CTRL_PORT_UC_0(p)                (0x185C + (((p) << 3)))
+#define RTL839X_STORM_CTRL_PORT_UC_1(p)                (0x1860 + (((p) << 3)))
+#define RTL839X_STORM_CTRL_PORT_MC_0(p)                (0x19FC + (((p) << 3)))
+#define RTL839X_STORM_CTRL_PORT_MC_1(p)                (0x1a00 + (((p) << 3)))
+#define RTL839X_STORM_CTRL_PORT_BC_0(p)                (0x1B9C + (((p) << 3)))
+#define RTL839X_STORM_CTRL_PORT_BC_1(p)                (0x1BA0 + (((p) << 3)))
+#define RTL839X_TBL_ACCESS_CTRL_2              (0x611C)
+#define RTL839X_TBL_ACCESS_DATA_2(i)           (0x6120 + (((i) << 2)))
+#define RTL839X_IGR_BWCTRL_PORT_CTRL_10G_0(p)  (0x1618 + (((p) << 3)))
+#define RTL839X_IGR_BWCTRL_PORT_CTRL_10G_1(p)  (0x161C + (((p) << 3)))
+#define RTL839X_IGR_BWCTRL_PORT_CTRL_0(p)      (0x1640 + (((p) << 3)))
+#define RTL839X_IGR_BWCTRL_PORT_CTRL_1(p)      (0x1644 + (((p) << 3)))
+#define RTL839X_IGR_BWCTRL_CTRL_LB_THR         (0x1614)
+
+/* Link aggregation (Trunking) */
+#define RTL839X_TRK_MBR_CTR                    (0x2200)
+#define RTL838X_TRK_MBR_CTR                    (0x3E00)
+#define RTL930X_TRK_MBR_CTRL                   (0xA41C)
+#define RTL931X_TRK_MBR_CTRL                   (0xB8D0)
+
+/* Attack prevention */
+#define RTL838X_ATK_PRVNT_PORT_EN              (0x5B00)
+#define RTL838X_ATK_PRVNT_CTRL                 (0x5B04)
+#define RTL838X_ATK_PRVNT_ACT                  (0x5B08)
+#define RTL838X_ATK_PRVNT_STS                  (0x5B1C)
+
+/* 802.1X */
+#define RTL838X_SPCL_TRAP_EAPOL_CTRL           (0x6988)
+#define RTL839X_SPCL_TRAP_EAPOL_CTRL           (0x105C)
+
+/* QoS */
+#define RTL838X_QM_INTPRI2QID_CTRL             (0x5F00)
+#define RTL839X_QM_INTPRI2QID_CTRL(q)          (0x1110 + (q << 2))
+#define RTL839X_QM_PORT_QNUM(p)                        (0x1130 + (((p / 10) << 2)))
+#define RTL838X_PRI_SEL_PORT_PRI(p)            (0x5FB8 + (((p / 10) << 2)))
+#define RTL839X_PRI_SEL_PORT_PRI(p)            (0x10A8 + (((p / 10) << 2)))
+#define RTL838X_QM_PKT2CPU_INTPRI_MAP          (0x5F10)
+#define RTL839X_QM_PKT2CPU_INTPRI_MAP          (0x1154)
+#define RTL838X_PRI_SEL_CTRL                   (0x10E0)
+#define RTL839X_PRI_SEL_CTRL                   (0x10E0)
+#define RTL838X_PRI_SEL_TBL_CTRL(i)            (0x5FD8 + (((i) << 2)))
+#define RTL839X_PRI_SEL_TBL_CTRL(i)            (0x10D0 + (((i) << 2)))
+#define RTL838X_QM_PKT2CPU_INTPRI_0            (0x5F04)
+#define RTL838X_QM_PKT2CPU_INTPRI_1            (0x5F08)
+#define RTL838X_QM_PKT2CPU_INTPRI_2            (0x5F0C)
+#define RTL839X_OAM_CTRL                       (0x2100)
+#define RTL839X_OAM_PORT_ACT_CTRL(p)           (0x2104 + (((p) << 2)))
+#define RTL839X_RMK_PORT_DEI_TAG_CTRL(p)       (0x6A9C + (((p >> 5) << 2)))
+#define RTL839X_PRI_SEL_IPRI_REMAP             (0x1080)
+#define RTL838X_PRI_SEL_IPRI_REMAP             (0x5F8C)
+#define RTL839X_PRI_SEL_DEI2DP_REMAP           (0x10EC)
+#define RTL839X_PRI_SEL_DSCP2DP_REMAP_ADDR(i)  (0x10F0 + (((i >> 4) << 2)))
+#define RTL839X_RMK_DEI_CTRL                   (0x6AA4)
+#define RTL839X_WRED_PORT_THR_CTRL(i)          (0x6084 + ((i) << 2))
+#define RTL839X_WRED_QUEUE_THR_CTRL(q, i)      (0x6090 + ((q) * 12) + ((i) << 2))
+#define RTL838X_PRI_DSCP_INVLD_CTRL0           (0x5FE8)
+#define RTL838X_RMK_IPRI_CTRL                  (0xA460)
+#define RTL838X_RMK_OPRI_CTRL                  (0xA464)
+#define RTL838X_SCHED_P_TYPE_CTRL(p)           (0xC04C + (((p) << 7)))
+#define RTL838X_SCHED_LB_CTRL(p)               (0xC004 + (((p) << 7)))
+#define RTL838X_FC_P_EGR_DROP_CTRL(p)          (0x6B1C + (((p) << 2)))
+
+/* Debug features */
+#define RTL930X_STAT_PRVTE_DROP_COUNTER0       (0xB5B8)
+
+#define MAX_VLANS 4096
+#define MAX_LAGS 16
+#define MAX_PRIOS 8
+#define RTL930X_PORT_IGNORE 0x3f
+#define MAX_MC_GROUPS 512
+#define UNKNOWN_MC_PMASK (MAX_MC_GROUPS - 1)
+
+enum phy_type {
+       PHY_NONE = 0,
+       PHY_RTL838X_SDS = 1,
+       PHY_RTL8218B_INT = 2,
+       PHY_RTL8218B_EXT = 3,
+       PHY_RTL8214FC = 4,
+       PHY_RTL839X_SDS = 5,
+};
+
+struct rtl838x_port {
+       bool enable;
+       u64 pm;
+       u16 pvid;
+       bool eee_enabled;
+       enum phy_type phy;
+       bool is10G;
+       bool is2G5;
+       u8 sds_num;
+       const struct dsa_port *dp;
+};
+
+struct rtl838x_vlan_info {
+       u64 untagged_ports;
+       u64 tagged_ports;
+       u8 profile_id;
+       bool hash_mc_fid;
+       bool hash_uc_fid;
+       u8 fid;
+};
+
+enum l2_entry_type {
+       L2_INVALID = 0,
+       L2_UNICAST = 1,
+       L2_MULTICAST = 2,
+       IP4_MULTICAST = 3,
+       IP6_MULTICAST = 4,
+};
+
+struct rtl838x_l2_entry {
+       u8 mac[6];
+       u16 vid;
+       u16 rvid;
+       u8 port;
+       bool valid;
+       enum l2_entry_type type;
+       bool is_static;
+       bool is_ip_mc;
+       bool is_ipv6_mc;
+       bool block_da;
+       bool block_sa;
+       bool suspended;
+       bool next_hop;
+       int age;
+       u8 trunk;
+       bool is_trunk;
+       u8 stack_dev;
+       u16 mc_portmask_index;
+       u32 mc_gip;
+       u32 mc_sip;
+       u16 mc_mac_index;
+       u16 nh_route_id;
+       bool nh_vlan_target;  // Only RTL83xx: VLAN used for next hop
+};
+
+struct rtl838x_nexthop {
+       u16 id;         // ID in HW Nexthop table
+       u32 ip;         // IP Addres of nexthop
+       u32 dev_id;
+       u16 port;
+       u16 vid;
+       u16 fid;
+       u64 mac;
+       u16 mac_id;
+       u16 l2_id;      // Index of this next hop forwarding entry in L2 FIB table
+       u16 if_id;
+};
+
+struct rtl838x_switch_priv;
+
+struct rtl838x_reg {
+       void (*mask_port_reg_be)(u64 clear, u64 set, int reg);
+       void (*set_port_reg_be)(u64 set, int reg);
+       u64 (*get_port_reg_be)(int reg);
+       void (*mask_port_reg_le)(u64 clear, u64 set, int reg);
+       void (*set_port_reg_le)(u64 set, int reg);
+       u64 (*get_port_reg_le)(int reg);
+       int stat_port_rst;
+       int stat_rst;
+       int stat_port_std_mib;
+       int (*port_iso_ctrl)(int p);
+       void (*traffic_enable)(int source, int dest);
+       void (*traffic_disable)(int source, int dest);
+       void (*traffic_set)(int source, u64 dest_matrix);
+       u64 (*traffic_get)(int source);
+       int l2_ctrl_0;
+       int l2_ctrl_1;
+       int l2_port_aging_out;
+       int smi_poll_ctrl;
+       int l2_tbl_flush_ctrl;
+       void (*exec_tbl0_cmd)(u32 cmd);
+       void (*exec_tbl1_cmd)(u32 cmd);
+       int (*tbl_access_data_0)(int i);
+       int isr_glb_src;
+       int isr_port_link_sts_chg;
+       int imr_port_link_sts_chg;
+       int imr_glb;
+       void (*vlan_tables_read)(u32 vlan, struct rtl838x_vlan_info *info);
+       void (*vlan_set_tagged)(u32 vlan, struct rtl838x_vlan_info *info);
+       void (*vlan_set_untagged)(u32 vlan, u64 portmask);
+       void (*vlan_profile_dump)(int index);
+       void (*vlan_profile_setup)(int profile);
+       void (*stp_get)(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[]);
+       void (*stp_set)(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[]);
+       int  (*mac_force_mode_ctrl)(int port);
+       int  (*mac_port_ctrl)(int port);
+       int  (*l2_port_new_salrn)(int port);
+       int  (*l2_port_new_sa_fwd)(int port);
+       int mir_ctrl;
+       int mir_dpm;
+       int mir_spm;
+       int mac_link_sts;
+       int mac_link_dup_sts;
+       int  (*mac_link_spd_sts)(int port);
+       int mac_rx_pause_sts;
+       int mac_tx_pause_sts;
+       u64 (*read_l2_entry_using_hash)(u32 hash, u32 position, struct rtl838x_l2_entry *e);
+       void (*write_l2_entry_using_hash)(u32 hash, u32 pos, struct rtl838x_l2_entry *e);
+       u64 (*read_cam)(int idx, struct rtl838x_l2_entry *e);
+       void (*write_cam)(int idx, struct rtl838x_l2_entry *e);
+       int vlan_port_egr_filter;
+       int vlan_port_igr_filter;
+       int vlan_port_pb;
+       int vlan_port_tag_sts_ctrl;
+       int (*rtl838x_vlan_port_tag_sts_ctrl)(int port);
+       int (*trk_mbr_ctr)(int group);
+       int rma_bpdu_fld_pmask;
+       int spcl_trap_eapol_ctrl;
+       void (*init_eee)(struct rtl838x_switch_priv *priv, bool enable);
+       void (*port_eee_set)(struct rtl838x_switch_priv *priv, int port, bool enable);
+       int (*eee_port_ability)(struct rtl838x_switch_priv *priv,
+                               struct ethtool_eee *e, int port);
+       u64 (*l2_hash_seed)(u64 mac, u32 vid);
+       u32 (*l2_hash_key)(struct rtl838x_switch_priv *priv, u64 seed);
+       u64 (*read_mcast_pmask)(int idx);
+       void (*write_mcast_pmask)(int idx, u64 portmask);
+       void (*vlan_fwd_on_inner)(int port, bool is_set);
+};
+
+struct rtl838x_switch_priv {
+       /* Switch operation */
+       struct dsa_switch *ds;
+       struct device *dev;
+       u16 id;
+       u16 family_id;
+       char version;
+       struct rtl838x_port ports[57];
+       struct mutex reg_mutex;
+       int link_state_irq;
+       int mirror_group_ports[4];
+       struct mii_bus *mii_bus;
+       const struct rtl838x_reg *r;
+       u8 cpu_port;
+       u8 port_mask;
+       u8 port_width;
+       u64 irq_mask;
+       u32 fib_entries;
+       int l2_bucket_size;
+       struct dentry *dbgfs_dir;
+       int n_lags;
+       u64 lags_port_members[MAX_LAGS];
+       struct net_device *lag_devs[MAX_LAGS];
+       struct notifier_block nb;
+       bool eee_enabled;
+       unsigned long int mc_group_bm[MAX_MC_GROUPS >> 5];
+};
+
+void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv);
+
+#endif /* _RTL838X_H */
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
new file mode 100644 (file)
index 0000000..c62dc44
--- /dev/null
@@ -0,0 +1,807 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+extern struct mutex smi_lock;
+extern struct rtl83xx_soc_info soc_info;
+
+void rtl839x_print_matrix(void)
+{
+       volatile u64 *ptr9;
+       int i;
+
+       ptr9 = RTL838X_SW_BASE + RTL839X_PORT_ISO_CTRL(0);
+       for (i = 0; i < 52; i += 4)
+               pr_debug("> %16llx %16llx %16llx %16llx\n",
+                       ptr9[i + 0], ptr9[i + 1], ptr9[i + 2], ptr9[i + 3]);
+       pr_debug("CPU_PORT> %16llx\n", ptr9[52]);
+}
+
+static inline int rtl839x_port_iso_ctrl(int p)
+{
+       return RTL839X_PORT_ISO_CTRL(p);
+}
+
+static inline void rtl839x_exec_tbl0_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL839X_TBL_ACCESS_CTRL_0);
+       do { } while (sw_r32(RTL839X_TBL_ACCESS_CTRL_0) & BIT(16));
+}
+
+static inline void rtl839x_exec_tbl1_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL839X_TBL_ACCESS_CTRL_1);
+       do { } while (sw_r32(RTL839X_TBL_ACCESS_CTRL_1) & BIT(16));
+}
+
+inline void rtl839x_exec_tbl2_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL839X_TBL_ACCESS_CTRL_2);
+       do { } while (sw_r32(RTL839X_TBL_ACCESS_CTRL_2) & (1 << 9));
+}
+
+static inline int rtl839x_tbl_access_data_0(int i)
+{
+       return RTL839X_TBL_ACCESS_DATA_0(i);
+}
+
+static void rtl839x_vlan_tables_read(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 u, v, w;
+       // Read VLAN table (0) via register 0
+       struct table_reg *r = rtl_table_get(RTL8390_TBL_0, 0);
+
+       rtl_table_read(r, vlan);
+       u = sw_r32(rtl_table_data(r, 0));
+       v = sw_r32(rtl_table_data(r, 1));
+       w = sw_r32(rtl_table_data(r, 2));
+       rtl_table_release(r);
+
+       info->tagged_ports = u;
+       info->tagged_ports = (info->tagged_ports << 21) | ((v >> 11) & 0x1fffff);
+       info->profile_id = w >> 30 | ((v & 1) << 2);
+       info->hash_mc_fid = !!(w & BIT(2));
+       info->hash_uc_fid = !!(w & BIT(3));
+       info->fid = (v >> 3) & 0xff;
+
+       // Read UNTAG table (0) via table register 1
+       r = rtl_table_get(RTL8390_TBL_1, 0);
+       rtl_table_read(r, vlan);
+       u = sw_r32(rtl_table_data(r, 0));
+       v = sw_r32(rtl_table_data(r, 1));
+       rtl_table_release(r);
+
+       info->untagged_ports = u;
+       info->untagged_ports = (info->untagged_ports << 21) | ((v >> 11) & 0x1fffff);
+}
+
+static void rtl839x_vlan_set_tagged(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 u, v, w;
+       // Access VLAN table (0) via register 0
+       struct table_reg *r = rtl_table_get(RTL8390_TBL_0, 0);
+
+       u = info->tagged_ports >> 21;
+       v = info->tagged_ports << 11;
+       v |= ((u32)info->fid) << 3;
+       v |= info->hash_uc_fid ? BIT(2) : 0;
+       v |= info->hash_mc_fid ? BIT(1) : 0;
+       v |= (info->profile_id & 0x4) ? 1 : 0;
+       w = ((u32)(info->profile_id & 3)) << 30;
+
+       sw_w32(u, rtl_table_data(r, 0));
+       sw_w32(v, rtl_table_data(r, 1));
+       sw_w32(w, rtl_table_data(r, 2));
+
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+static void rtl839x_vlan_set_untagged(u32 vlan, u64 portmask)
+{
+       u32 u, v;
+
+       // Access UNTAG table (0) via table register 1
+       struct table_reg *r = rtl_table_get(RTL8390_TBL_1, 0);
+
+       u = portmask >> 21;
+       v = portmask << 11;
+
+       sw_w32(u, rtl_table_data(r, 0));
+       sw_w32(v, rtl_table_data(r, 1));
+       rtl_table_write(r, vlan);
+
+       rtl_table_release(r);
+}
+
+/* Sets the L2 forwarding to be based on either the inner VLAN tag or the outer
+ */
+static void rtl839x_vlan_fwd_on_inner(int port, bool is_set)
+{
+       if (is_set)
+               rtl839x_mask_port_reg_be(BIT_ULL(port), 0ULL, RTL839X_VLAN_PORT_FWD);
+       else
+               rtl839x_mask_port_reg_be(0ULL, BIT_ULL(port), RTL839X_VLAN_PORT_FWD);
+}
+
+/*
+ * Hash seed is vid (actually rvid) concatenated with the MAC address
+ */
+static u64 rtl839x_l2_hash_seed(u64 mac, u32 vid)
+{
+       u64 v = vid;
+
+       v <<= 48;
+       v |= mac;
+
+       return v;
+}
+
+/*
+ * Applies the same hash algorithm as the one used currently by the ASIC to the seed
+ * and returns a key into the L2 hash table
+ */
+static u32 rtl839x_l2_hash_key(struct rtl838x_switch_priv *priv, u64 seed)
+{
+       u32 h1, h2, h;
+
+       if (sw_r32(priv->r->l2_ctrl_0) & 1) {
+               h1 = (u32) (((seed >> 60) & 0x3f) ^ ((seed >> 54) & 0x3f)
+                               ^ ((seed >> 36) & 0x3f) ^ ((seed >> 30) & 0x3f)
+                               ^ ((seed >> 12) & 0x3f) ^ ((seed >> 6) & 0x3f));
+               h2 = (u32) (((seed >> 48) & 0x3f) ^ ((seed >> 42) & 0x3f)
+                               ^ ((seed >> 24) & 0x3f) ^ ((seed >> 18) & 0x3f)
+                               ^ (seed & 0x3f));
+               h = (h1 << 6) | h2;
+       } else {
+               h = (seed >> 60)
+                       ^ ((((seed >> 48) & 0x3f) << 6) | ((seed >> 54) & 0x3f))
+                       ^ ((seed >> 36) & 0xfff) ^ ((seed >> 24) & 0xfff)
+                       ^ ((seed >> 12) & 0xfff) ^ (seed & 0xfff);
+       }
+
+       return h;
+}
+
+static inline int rtl839x_mac_force_mode_ctrl(int p)
+{
+       return RTL839X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+static inline int rtl839x_mac_port_ctrl(int p)
+{
+       return RTL839X_MAC_PORT_CTRL(p);
+}
+
+static inline int rtl839x_l2_port_new_salrn(int p)
+{
+       return RTL839X_L2_PORT_NEW_SALRN(p);
+}
+
+static inline int rtl839x_l2_port_new_sa_fwd(int p)
+{
+       return RTL839X_L2_PORT_NEW_SA_FWD(p);
+}
+
+static inline int rtl839x_mac_link_spd_sts(int p)
+{
+       return RTL839X_MAC_LINK_SPD_STS(p);
+}
+
+static inline int rtl839x_trk_mbr_ctr(int group)
+{
+       return RTL839X_TRK_MBR_CTR + (group << 3);
+}
+
+static void rtl839x_fill_l2_entry(u32 r[], struct rtl838x_l2_entry *e)
+{
+       /* Table contains different entry types, we need to identify the right one:
+        * Check for MC entries, first
+        */
+       e->is_ip_mc = !!(r[2] & BIT(31));
+       e->is_ipv6_mc = !!(r[2] & BIT(30));
+       e->type = L2_INVALID;
+       if (!e->is_ip_mc) {
+               e->mac[0] = (r[0] >> 12);
+               e->mac[1] = (r[0] >> 4);
+               e->mac[2] = ((r[1] >> 28) | (r[0] << 4));
+               e->mac[3] = (r[1] >> 20);
+               e->mac[4] = (r[1] >> 12);
+               e->mac[5] = (r[1] >> 4);
+
+               /* Is it a unicast entry? check multicast bit */
+               if (!(e->mac[0] & 1)) {
+                       e->is_static = !!((r[2] >> 18) & 1);
+                       e->vid = (r[2] >> 4) & 0xfff;
+                       e->rvid = (r[0] >> 20) & 0xfff;
+                       e->port = (r[2] >> 24) & 0x3f;
+                       e->block_da = !!(r[2] & (1 << 19));
+                       e->block_sa = !!(r[2] & (1 << 20));
+                       e->suspended = !!(r[2] & (1 << 17));
+                       e->next_hop = !!(r[2] & (1 << 16));
+                       if (e->next_hop)
+                               pr_info("Found next hop entry, need to read data\n");
+                       e->age = (r[2] >> 21) & 3;
+                       e->valid = true;
+                       if (!(r[2] & 0xc0fd0000)) /* Check for valid entry */
+                               e->valid = false;
+                       else
+                               e->type = L2_UNICAST;
+               } else {
+                       e->valid = true;
+                       e->type = L2_MULTICAST;
+                       e->mc_portmask_index = (r[2]>>6) & 0xfff;
+               }
+       }
+       if (e->is_ip_mc) {
+               e->valid = true;
+               e->type = IP4_MULTICAST;
+       }
+       if (e->is_ipv6_mc) {
+               e->valid = true;
+               e->type = IP6_MULTICAST;
+       }
+}
+
+/*
+ * Fills the 3 SoC table registers r[] with the information of in the rtl838x_l2_entry
+ */
+static void rtl839x_fill_l2_row(u32 r[], struct rtl838x_l2_entry *e)
+{
+       if (!e->valid) {
+               r[0] = r[1] = r[2] = 0;
+               return;
+       }
+
+       r[2] = e->is_ip_mc ? BIT(31) : 0;
+       r[2] |= e->is_ipv6_mc ? BIT(30) : 0;
+
+       if (!e->is_ip_mc  && !e->is_ipv6_mc) {
+               r[0] = ((u32)e->mac[0]) << 12;
+               r[0] |= ((u32)e->mac[1]) << 4;
+               r[0] |= ((u32)e->mac[2]) >> 4;
+               r[1] = ((u32)e->mac[2]) << 28;
+               r[1] |= ((u32)e->mac[3]) << 20;
+               r[1] |= ((u32)e->mac[4]) << 12;
+               r[1] |= ((u32)e->mac[5]) << 4;
+
+               if (!(e->mac[0] & 1)) { // Not multicast
+                       r[2] |= e->is_static ? BIT(18) : 0;
+                       r[2] |= e->vid << 4;
+                       r[0] |= ((u32)e->rvid) << 20;
+                       r[2] |= e->port << 24;
+                       r[2] |= e->block_da ? BIT(19) : 0;
+                       r[2] |= e->block_sa ? BIT(20) : 0;
+                       r[2] |= e->suspended ? BIT(17) : 0;
+                       if (e->next_hop) {
+                               r[2] |= BIT(16);
+                               r[2] |= e->nh_vlan_target ? BIT(15) : 0;
+                               r[2] |= (e->nh_route_id & 0x7ff) << 4;
+                       }
+                       r[2] |= ((u32)e->age) << 21;
+               } else {  // L2 Multicast
+                       r[0] |= ((u32)e->rvid) << 20;
+                       r[2] |= ((u32)e->mc_portmask_index) << 6;
+                       pr_debug("Write L2 MC entry: %08x %08x %08x\n", r[0], r[1], r[2]);
+               }
+       } else { // IPv4 or IPv6 MC entry
+               r[0] = ((u32)e->rvid) << 20;
+               r[2] |= ((u32)e->mc_portmask_index) << 6;
+               r[1] = e->mc_gip;
+       }
+}
+
+/*
+ * Read an L2 UC or MC entry out of a hash bucket of the L2 forwarding table
+ * hash is the id of the bucket and pos is the position of the entry in that bucket
+ * The data read from the SoC is filled into rtl838x_l2_entry
+ */
+static u64 rtl839x_read_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 0);
+       u32 idx = (0 << 14) | (hash << 2) | pos; // Search SRAM, with hash and at pos in bucket
+       int i;
+
+       rtl_table_read(q, idx);
+       for (i= 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl839x_fill_l2_entry(r, e);
+       if (!e->valid)
+               return 0;
+
+       return rtl839x_l2_hash_seed(ether_addr_to_u64(&e->mac[0]), e->rvid);
+}
+
+static void rtl839x_write_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 0);
+       int i;
+
+       u32 idx = (0 << 14) | (hash << 2) | pos; // Access SRAM, with hash and at pos in bucket
+
+       rtl839x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static u64 rtl839x_read_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 1); // Access L2 Table 1
+       int i;
+
+       rtl_table_read(q, idx);
+       for (i= 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl839x_fill_l2_entry(r, e);
+       if (!e->valid)
+               return 0;
+
+       pr_debug("Found in CAM: R1 %x R2 %x R3 %x\n", r[0], r[1], r[2]);
+
+       // Return MAC with concatenated VID ac concatenated ID
+       return rtl839x_l2_hash_seed(ether_addr_to_u64(&e->mac[0]), e->rvid);
+}
+
+static void rtl839x_write_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 1); // Access L2 Table 1
+       int i;
+
+       rtl839x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static u64 rtl839x_read_mcast_pmask(int idx)
+{
+       u64 portmask;
+       // Read MC_PMSK (2) via register RTL8390_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 2);
+
+       rtl_table_read(q, idx);
+       portmask = sw_r32(rtl_table_data(q, 0));
+       portmask <<= 32;
+       portmask |= sw_r32(rtl_table_data(q, 1));
+       portmask >>= 11;  // LSB is bit 11 in data registers
+       rtl_table_release(q);
+
+       return portmask;
+}
+
+static void rtl839x_write_mcast_pmask(int idx, u64 portmask)
+{
+       // Access MC_PMSK (2) via register RTL8380_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL8390_TBL_L2, 2);
+
+       portmask <<= 11; // LSB is bit 11 in data registers
+       sw_w32((u32)(portmask >> 32), rtl_table_data(q, 0));
+       sw_w32((u32)((portmask & 0xfffff800)), rtl_table_data(q, 1));
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static void rtl839x_vlan_profile_setup(int profile)
+{
+       u32 p[2];
+       u32 pmask_id = UNKNOWN_MC_PMASK;
+
+       p[0] = pmask_id; // Use portmaks 0xfff for unknown IPv6 MC flooding
+       // Enable L2 Learning BIT 0, portmask UNKNOWN_MC_PMASK for IP/L2-MC traffic flooding
+       p[1] = 1 | pmask_id << 1 | pmask_id << 13;
+
+       sw_w32(p[0], RTL839X_VLAN_PROFILE(profile));
+       sw_w32(p[1], RTL839X_VLAN_PROFILE(profile) + 4);
+
+       rtl839x_write_mcast_pmask(UNKNOWN_MC_PMASK, 0x001fffffffffffff);
+}
+
+static inline int rtl839x_vlan_port_egr_filter(int port)
+{
+       return RTL839X_VLAN_PORT_EGR_FLTR(port);
+}
+
+static inline int rtl839x_vlan_port_igr_filter(int port)
+{
+       return RTL839X_VLAN_PORT_IGR_FLTR(port);
+}
+
+u64 rtl839x_traffic_get(int source)
+{
+       return rtl839x_get_port_reg_be(rtl839x_port_iso_ctrl(source));
+}
+
+void rtl839x_traffic_set(int source, u64 dest_matrix)
+{
+       rtl839x_set_port_reg_be(dest_matrix, rtl839x_port_iso_ctrl(source));
+}
+
+void rtl839x_traffic_enable(int source, int dest)
+{
+       rtl839x_mask_port_reg_be(0, BIT_ULL(dest), rtl839x_port_iso_ctrl(source));
+}
+
+void rtl839x_traffic_disable(int source, int dest)
+{
+       rtl839x_mask_port_reg_be(BIT_ULL(dest), 0, rtl839x_port_iso_ctrl(source));
+}
+
+irqreturn_t rtl839x_switch_irq(int irq, void *dev_id)
+{
+       struct dsa_switch *ds = dev_id;
+       u32 status = sw_r32(RTL839X_ISR_GLB_SRC);
+       u64 ports = rtl839x_get_port_reg_le(RTL839X_ISR_PORT_LINK_STS_CHG);
+       u64 link;
+       int i;
+
+       /* Clear status */
+       rtl839x_set_port_reg_le(ports, RTL839X_ISR_PORT_LINK_STS_CHG);
+       pr_debug("RTL8390 Link change: status: %x, ports %llx\n", status, ports);
+
+       for (i = 0; i < RTL839X_CPU_PORT; i++) {
+               if (ports & BIT_ULL(i)) {
+                       link = rtl839x_get_port_reg_le(RTL839X_MAC_LINK_STS);
+                       if (link & BIT_ULL(i))
+                               dsa_port_phylink_mac_change(ds, i, true);
+                       else
+                               dsa_port_phylink_mac_change(ds, i, false);
+               }
+       }
+       return IRQ_HANDLED;
+}
+
+// TODO: unused
+int rtl8390_sds_power(int mac, int val)
+{
+       u32 offset = (mac == 48) ? 0x0 : 0x100;
+       u32 mode = val ? 0 : 1;
+
+       pr_debug("In %s: mac %d, set %d\n", __func__, mac, val);
+
+       if ((mac != 48) && (mac != 49)) {
+               pr_err("%s: not an SFP port: %d\n", __func__, mac);
+               return -1;
+       }
+
+       // Set bit 1003. 1000 starts at 7c
+       sw_w32_mask(BIT(11), mode << 11, RTL839X_SDS12_13_PWR0 + offset);
+
+       return 0;
+}
+
+int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{
+       u32 v;
+
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+
+       sw_w32_mask(0xffff0000, port << 16, RTL839X_PHYREG_DATA_CTRL);
+       v = reg << 5 | page << 10 | ((page == 0x1fff) ? 0x1f : 0) << 23;
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       sw_w32(0x1ff, RTL839X_PHYREG_CTRL);
+
+       v |= 1;
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       do {
+       } while (sw_r32(RTL839X_PHYREG_ACCESS_CTRL) & 0x1);
+
+       *val = sw_r32(RTL839X_PHYREG_DATA_CTRL) & 0xffff;
+
+       mutex_unlock(&smi_lock);
+       return 0;
+}
+
+int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       u32 v;
+       int err = 0;
+
+       val &= 0xffff;
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access
+       rtl839x_set_port_reg_le(BIT_ULL(port), RTL839X_PHYREG_PORT_CTRL);
+
+       sw_w32_mask(0xffff0000, val << 16, RTL839X_PHYREG_DATA_CTRL);
+
+       v = reg << 5 | page << 10 | ((page == 0x1fff) ? 0x1f : 0) << 23;
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       sw_w32(0x1ff, RTL839X_PHYREG_CTRL);
+
+       v |= BIT(3) | 1; /* Write operation and execute */
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       do {
+       } while (sw_r32(RTL839X_PHYREG_ACCESS_CTRL) & 0x1);
+
+       if (sw_r32(RTL839X_PHYREG_ACCESS_CTRL) & 0x2)
+               err = -EIO;
+
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+/*
+ * Read an mmd register of the PHY
+ */
+int rtl839x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
+{
+       int err = 0;
+       u32 v;
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access
+       sw_w32_mask(0xffff << 16, port << 16, RTL839X_PHYREG_DATA_CTRL);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL839X_PHYREG_MMD_CTRL);
+
+       v = BIT(2) | BIT(0); // MMD-access | EXEC
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       do {
+               v = sw_r32(RTL839X_PHYREG_ACCESS_CTRL);
+       } while (v & BIT(0));
+       // There is no error-checking via BIT 1 of v, as it does not seem to be set correctly
+       *val = (sw_r32(RTL839X_PHYREG_DATA_CTRL) & 0xffff);
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, *val, err);
+
+       mutex_unlock(&smi_lock);
+
+       return err;
+}
+
+/*
+ * Write to an mmd register of the PHY
+ */
+int rtl839x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val)
+{
+       int err = 0;
+       u32 v;
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access
+       rtl839x_set_port_reg_le(BIT_ULL(port), RTL839X_PHYREG_PORT_CTRL);
+
+       // Set data to write
+       sw_w32_mask(0xffff << 16, val << 16, RTL839X_PHYREG_DATA_CTRL);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL839X_PHYREG_MMD_CTRL);
+
+       v = BIT(3) | BIT(2) | BIT(0); // WRITE | MMD-access | EXEC
+       sw_w32(v, RTL839X_PHYREG_ACCESS_CTRL);
+
+       do {
+               v = sw_r32(RTL839X_PHYREG_ACCESS_CTRL);
+       } while (v & BIT(0));
+
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, val, err);
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+void rtl8390_get_version(struct rtl838x_switch_priv *priv)
+{
+       u32 info;
+
+       sw_w32_mask(0xf << 28, 0xa << 28, RTL839X_CHIP_INFO);
+       info = sw_r32(RTL839X_CHIP_INFO);
+       pr_debug("Chip-Info: %x\n", info);
+       priv->version = RTL8390_VERSION_A;
+}
+
+void rtl839x_vlan_profile_dump(int profile)
+{
+       u32 p[2];
+
+       if (profile < 0 || profile > 7)
+               return;
+
+       p[0] = sw_r32(RTL839X_VLAN_PROFILE(profile));
+       p[1] = sw_r32(RTL839X_VLAN_PROFILE(profile) + 4);
+
+       pr_info("VLAN profile %d: L2 learning: %d, UNKN L2MC FLD PMSK %d, \
+               UNKN IPMC FLD PMSK %d, UNKN IPv6MC FLD PMSK: %d",
+               profile, p[1] & 1, (p[1] >> 1) & 0xfff, (p[1] >> 13) & 0xfff,
+               (p[0]) & 0xfff);
+       pr_info("VLAN profile %d: raw %08x, %08x\n", profile, p[0], p[1]);
+}
+
+static void rtl839x_stp_get(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 16 /* Execute cmd */
+               | 0 << 15 /* Read */
+               | 5 << 12 /* Table type 0b101 */
+               | (msti & 0xfff);
+       priv->r->exec_tbl0_cmd(cmd);
+
+       for (i = 0; i < 4; i++)
+               port_state[i] = sw_r32(priv->r->tbl_access_data_0(i));
+}
+
+static void rtl839x_stp_set(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 16 /* Execute cmd */
+               | 1 << 15 /* Write */
+               | 5 << 12 /* Table type 0b101 */
+               | (msti & 0xfff);
+       for (i = 0; i < 4; i++)
+               sw_w32(port_state[i], priv->r->tbl_access_data_0(i));
+       priv->r->exec_tbl0_cmd(cmd);
+}
+
+/*
+ * Enables or disables the EEE/EEEP capability of a port
+ */
+void rtl839x_port_eee_set(struct rtl838x_switch_priv *priv, int port, bool enable)
+{
+       u32 v;
+
+       // This works only for Ethernet ports, and on the RTL839X, ports above 47 are SFP
+       if (port >= 48)
+               return;
+
+       enable = true;
+       pr_debug("In %s: setting port %d to %d\n", __func__, port, enable);
+       v = enable ? 0xf : 0x0;
+
+       // Set EEE for 100, 500, 1000MBit and 10GBit
+       sw_w32_mask(0xf << 8, v << 8, rtl839x_mac_force_mode_ctrl(port));
+
+       // Set TX/RX EEE state
+       v = enable ? 0x3 : 0x0;
+       sw_w32(v, RTL839X_EEE_CTRL(port));
+
+       priv->ports[port].eee_enabled = enable;
+}
+
+/*
+ * Get EEE own capabilities and negotiation result
+ */
+int rtl839x_eee_port_ability(struct rtl838x_switch_priv *priv, struct ethtool_eee *e, int port)
+{
+       u64 link, a;
+
+       if (port >= 48)
+               return 0;
+
+       link = rtl839x_get_port_reg_le(RTL839X_MAC_LINK_STS);
+       if (!(link & BIT_ULL(port)))
+               return 0;
+
+       if (sw_r32(rtl839x_mac_force_mode_ctrl(port)) & BIT(8))
+               e->advertised |= ADVERTISED_100baseT_Full;
+
+       if (sw_r32(rtl839x_mac_force_mode_ctrl(port)) & BIT(10))
+               e->advertised |= ADVERTISED_1000baseT_Full;
+
+       a = rtl839x_get_port_reg_le(RTL839X_MAC_EEE_ABLTY);
+       pr_info("Link partner: %016llx\n", a);
+       if (rtl839x_get_port_reg_le(RTL839X_MAC_EEE_ABLTY) & BIT_ULL(port)) {
+               e->lp_advertised = ADVERTISED_100baseT_Full;
+               e->lp_advertised |= ADVERTISED_1000baseT_Full;
+               return 1;
+       }
+
+       return 0;
+}
+
+static void rtl839x_init_eee(struct rtl838x_switch_priv *priv, bool enable)
+{
+       int i;
+
+       pr_info("Setting up EEE, state: %d\n", enable);
+
+       // Set wake timer for TX and pause timer both to 0x21
+       sw_w32_mask(0xff << 20| 0xff, 0x21 << 20| 0x21, RTL839X_EEE_TX_TIMER_GELITE_CTRL);
+       // Set pause wake timer for GIGA-EEE to 0x11
+       sw_w32_mask(0xff << 20, 0x11 << 20, RTL839X_EEE_TX_TIMER_GIGA_CTRL);
+       // Set pause wake timer for 10GBit ports to 0x11
+       sw_w32_mask(0xff << 20, 0x11 << 20, RTL839X_EEE_TX_TIMER_10G_CTRL);
+
+       // Setup EEE on all ports
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy)
+                       rtl839x_port_eee_set(priv, i, enable);
+       }
+       priv->eee_enabled = enable;
+}
+
+const struct rtl838x_reg rtl839x_reg = {
+       .mask_port_reg_be = rtl839x_mask_port_reg_be,
+       .set_port_reg_be = rtl839x_set_port_reg_be,
+       .get_port_reg_be = rtl839x_get_port_reg_be,
+       .mask_port_reg_le = rtl839x_mask_port_reg_le,
+       .set_port_reg_le = rtl839x_set_port_reg_le,
+       .get_port_reg_le = rtl839x_get_port_reg_le,
+       .stat_port_rst = RTL839X_STAT_PORT_RST,
+       .stat_rst = RTL839X_STAT_RST,
+       .stat_port_std_mib = RTL839X_STAT_PORT_STD_MIB,
+       .traffic_enable = rtl839x_traffic_enable,
+       .traffic_disable = rtl839x_traffic_disable,
+       .traffic_get = rtl839x_traffic_get,
+       .traffic_set = rtl839x_traffic_set,
+       .port_iso_ctrl = rtl839x_port_iso_ctrl,
+       .l2_ctrl_0 = RTL839X_L2_CTRL_0,
+       .l2_ctrl_1 = RTL839X_L2_CTRL_1,
+       .l2_port_aging_out = RTL839X_L2_PORT_AGING_OUT,
+       .smi_poll_ctrl = RTL839X_SMI_PORT_POLLING_CTRL,
+       .l2_tbl_flush_ctrl = RTL839X_L2_TBL_FLUSH_CTRL,
+       .exec_tbl0_cmd = rtl839x_exec_tbl0_cmd,
+       .exec_tbl1_cmd = rtl839x_exec_tbl1_cmd,
+       .tbl_access_data_0 = rtl839x_tbl_access_data_0,
+       .isr_glb_src = RTL839X_ISR_GLB_SRC,
+       .isr_port_link_sts_chg = RTL839X_ISR_PORT_LINK_STS_CHG,
+       .imr_port_link_sts_chg = RTL839X_IMR_PORT_LINK_STS_CHG,
+       .imr_glb = RTL839X_IMR_GLB,
+       .vlan_tables_read = rtl839x_vlan_tables_read,
+       .vlan_set_tagged = rtl839x_vlan_set_tagged,
+       .vlan_set_untagged = rtl839x_vlan_set_untagged,
+       .vlan_profile_dump = rtl839x_vlan_profile_dump,
+       .vlan_profile_setup = rtl839x_vlan_profile_setup,
+       .vlan_fwd_on_inner = rtl839x_vlan_fwd_on_inner,
+       .stp_get = rtl839x_stp_get,
+       .stp_set = rtl839x_stp_set,
+       .mac_force_mode_ctrl = rtl839x_mac_force_mode_ctrl,
+       .mac_port_ctrl = rtl839x_mac_port_ctrl,
+       .l2_port_new_salrn = rtl839x_l2_port_new_salrn,
+       .l2_port_new_sa_fwd = rtl839x_l2_port_new_sa_fwd,
+       .mir_ctrl = RTL839X_MIR_CTRL,
+       .mir_dpm = RTL839X_MIR_DPM_CTRL,
+       .mir_spm = RTL839X_MIR_SPM_CTRL,
+       .mac_link_sts = RTL839X_MAC_LINK_STS,
+       .mac_link_dup_sts = RTL839X_MAC_LINK_DUP_STS,
+       .mac_link_spd_sts = rtl839x_mac_link_spd_sts,
+       .mac_rx_pause_sts = RTL839X_MAC_RX_PAUSE_STS,
+       .mac_tx_pause_sts = RTL839X_MAC_TX_PAUSE_STS,
+       .read_l2_entry_using_hash = rtl839x_read_l2_entry_using_hash,
+       .write_l2_entry_using_hash = rtl839x_write_l2_entry_using_hash,
+       .read_cam = rtl839x_read_cam,
+       .write_cam = rtl839x_write_cam,
+       .vlan_port_egr_filter = RTL839X_VLAN_PORT_EGR_FLTR(0),
+       .vlan_port_igr_filter = RTL839X_VLAN_PORT_IGR_FLTR(0),
+       .vlan_port_pb = RTL839X_VLAN_PORT_PB_VLAN,
+       .vlan_port_tag_sts_ctrl = RTL839X_VLAN_PORT_TAG_STS_CTRL,
+       .trk_mbr_ctr = rtl839x_trk_mbr_ctr,
+       .rma_bpdu_fld_pmask = RTL839X_RMA_BPDU_FLD_PMSK,
+       .spcl_trap_eapol_ctrl = RTL839X_SPCL_TRAP_EAPOL_CTRL,
+       .init_eee = rtl839x_init_eee,
+       .port_eee_set = rtl839x_port_eee_set,
+       .eee_port_ability = rtl839x_eee_port_ability,
+       .l2_hash_seed = rtl839x_l2_hash_seed, 
+       .l2_hash_key = rtl839x_l2_hash_key,
+       .read_mcast_pmask = rtl839x_read_mcast_pmask,
+       .write_mcast_pmask = rtl839x_write_mcast_pmask,
+};
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl83xx.h b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl83xx.h
new file mode 100644 (file)
index 0000000..fd0455a
--- /dev/null
@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _NET_DSA_RTL83XX_H
+#define _NET_DSA_RTL83XX_H
+
+#include <net/dsa.h>
+#include "rtl838x.h"
+
+
+#define RTL8380_VERSION_A 'A'
+#define RTL8390_VERSION_A 'A'
+#define RTL8380_VERSION_B 'B'
+
+struct fdb_update_work {
+       struct work_struct work;
+       struct net_device *ndev;
+       u64 macs[];
+};
+
+#define MIB_DESC(_size, _offset, _name) {.size = _size, .offset = _offset, .name = _name}
+struct rtl83xx_mib_desc {
+       unsigned int size;
+       unsigned int offset;
+       const char *name;
+};
+
+/* API for switch table access */
+struct table_reg {
+       u16 addr;
+       u16 data;
+       u8  max_data;
+       u8 c_bit;
+       u8 t_bit;
+       u8 rmode;
+       u8 tbl;
+       struct mutex lock;
+};
+
+#define TBL_DESC(_addr, _data, _max_data, _c_bit, _t_bit, _rmode) \
+               {  .addr = _addr, .data = _data, .max_data = _max_data, .c_bit = _c_bit, \
+                   .t_bit = _t_bit, .rmode = _rmode \
+               }
+
+typedef enum {
+       RTL8380_TBL_L2 = 0,
+       RTL8380_TBL_0,
+       RTL8380_TBL_1,
+       RTL8390_TBL_L2,
+       RTL8390_TBL_0,
+       RTL8390_TBL_1,
+       RTL8390_TBL_2,
+       RTL9300_TBL_L2,
+       RTL9300_TBL_0,
+       RTL9300_TBL_1,
+       RTL9300_TBL_2,
+       RTL9300_TBL_HSB,
+       RTL9300_TBL_HSA,
+       RTL9310_TBL_0,
+       RTL9310_TBL_1,
+       RTL9310_TBL_2,
+       RTL9310_TBL_3,
+       RTL9310_TBL_4,
+       RTL9310_TBL_5,
+       RTL_TBL_END
+} rtl838x_tbl_reg_t;
+
+void rtl_table_init(void);
+struct table_reg *rtl_table_get(rtl838x_tbl_reg_t r, int t);
+void rtl_table_release(struct table_reg *r);
+void rtl_table_read(struct table_reg *r, int idx);
+void rtl_table_write(struct table_reg *r, int idx);
+inline u16 rtl_table_data(struct table_reg *r, int i);
+inline u32 rtl_table_data_r(struct table_reg *r, int i);
+inline void rtl_table_data_w(struct table_reg *r, u32 v, int i);
+
+void __init rtl83xx_setup_qos(struct rtl838x_switch_priv *priv);
+int read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int write_phy(u32 port, u32 page, u32 reg, u32 val);
+
+/* Port register accessor functions for the RTL839x and RTL931X SoCs */
+void rtl839x_mask_port_reg_be(u64 clear, u64 set, int reg);
+u64 rtl839x_get_port_reg_be(int reg);
+void rtl839x_set_port_reg_be(u64 set, int reg);
+void rtl839x_mask_port_reg_le(u64 clear, u64 set, int reg);
+void rtl839x_set_port_reg_le(u64 set, int reg);
+u64 rtl839x_get_port_reg_le(int reg);
+
+/* Port register accessor functions for the RTL838x and RTL930X SoCs */
+void rtl838x_mask_port_reg(u64 clear, u64 set, int reg);
+void rtl838x_set_port_reg(u64 set, int reg);
+u64 rtl838x_get_port_reg(int reg);
+
+/* RTL838x-specific */
+u32 rtl838x_hash(struct rtl838x_switch_priv *priv, u64 seed);
+irqreturn_t rtl838x_switch_irq(int irq, void *dev_id);
+void rtl8380_get_version(struct rtl838x_switch_priv *priv);
+void rtl838x_vlan_profile_dump(int index);
+int rtl83xx_dsa_phy_read(struct dsa_switch *ds, int phy_addr, int phy_reg);
+void rtl8380_sds_rst(int mac);
+int rtl8380_sds_power(int mac, int val);
+void rtl838x_print_matrix(void);
+
+/* RTL839x-specific */
+u32 rtl839x_hash(struct rtl838x_switch_priv *priv, u64 seed);
+irqreturn_t rtl839x_switch_irq(int irq, void *dev_id);
+void rtl8390_get_version(struct rtl838x_switch_priv *priv);
+void rtl839x_vlan_profile_dump(int index);
+int rtl83xx_dsa_phy_write(struct dsa_switch *ds, int phy_addr, int phy_reg, u16 val);
+void rtl839x_exec_tbl2_cmd(u32 cmd);
+void rtl839x_print_matrix(void);
+
+/* RTL930x-specific */
+u32 rtl930x_hash(struct rtl838x_switch_priv *priv, u64 seed);
+irqreturn_t rtl930x_switch_irq(int irq, void *dev_id);
+irqreturn_t rtl839x_switch_irq(int irq, void *dev_id);
+void rtl930x_vlan_profile_dump(int index);
+int rtl9300_sds_power(int mac, int val);
+void rtl9300_sds_rst(int sds_num, u32 mode);
+void rtl930x_print_matrix(void);
+
+/* RTL931x-specific */
+irqreturn_t rtl931x_switch_irq(int irq, void *dev_id);
+
+#endif /* _NET_DSA_RTL83XX_H */
+
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl930x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl930x.c
new file mode 100644 (file)
index 0000000..f1de39f
--- /dev/null
@@ -0,0 +1,1039 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+extern struct mutex smi_lock;
+extern struct rtl83xx_soc_info soc_info;
+
+void rtl930x_print_matrix(void)
+{
+       int i;
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 6);
+
+       for (i = 0; i < 29; i++) {
+               rtl_table_read(r, i);
+               pr_debug("> %08x\n", sw_r32(rtl_table_data(r, 0)));
+       }
+       rtl_table_release(r);
+}
+
+inline void rtl930x_exec_tbl0_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL930X_TBL_ACCESS_CTRL_0);
+       do { } while (sw_r32(RTL930X_TBL_ACCESS_CTRL_0) & (1 << 17));
+}
+
+inline void rtl930x_exec_tbl1_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL930X_TBL_ACCESS_CTRL_1);
+       do { } while (sw_r32(RTL930X_TBL_ACCESS_CTRL_1) & (1 << 17));
+}
+
+inline int rtl930x_tbl_access_data_0(int i)
+{
+       return RTL930X_TBL_ACCESS_DATA_0(i);
+}
+
+static inline int rtl930x_l2_port_new_salrn(int p)
+{
+       return RTL930X_L2_PORT_SALRN(p);
+}
+
+static inline int rtl930x_l2_port_new_sa_fwd(int p)
+{
+       // TODO: The definition of the fields changed, because of the master-cpu in a stack
+       return RTL930X_L2_PORT_NEW_SA_FWD(p);
+}
+
+inline static int rtl930x_trk_mbr_ctr(int group)
+{
+       return RTL930X_TRK_MBR_CTRL + (group << 2);
+}
+
+static void rtl930x_vlan_tables_read(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v, w;
+       // Read VLAN table (1) via register 0
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 1);
+
+       rtl_table_read(r, vlan);
+       v = sw_r32(rtl_table_data(r, 0));
+       w = sw_r32(rtl_table_data(r, 1));
+       pr_debug("VLAN_READ %d: %08x %08x\n", vlan, v, w);
+       rtl_table_release(r);
+
+       info->tagged_ports = v >> 3;
+       info->profile_id = (w >> 24) & 7;
+       info->hash_mc_fid = !!(w & BIT(27));
+       info->hash_uc_fid = !!(w & BIT(28));
+       info->fid = ((v & 0x7) << 3) | ((w >> 29) & 0x7);
+
+       // Read UNTAG table via table register 2
+       r = rtl_table_get(RTL9300_TBL_2, 0);
+       rtl_table_read(r, vlan);
+       v = sw_r32(rtl_table_data(r, 0));
+       rtl_table_release(r);
+
+       info->untagged_ports = v >> 3;
+}
+
+static void rtl930x_vlan_set_tagged(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v, w;
+       // Access VLAN table (1) via register 0
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 1);
+
+       v = info->tagged_ports << 3;
+       v |= ((u32)info->fid) >> 3;
+
+       w = ((u32)info->fid) << 29;
+       w |= info->hash_mc_fid ? BIT(27) : 0;
+       w |= info->hash_uc_fid ? BIT(28) : 0;
+       w |= info->profile_id << 24;
+
+       sw_w32(v, rtl_table_data(r, 0));
+       sw_w32(w, rtl_table_data(r, 1));
+
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+void rtl930x_vlan_profile_dump(int profile)
+{
+       u32 p[5];
+
+       if (profile < 0 || profile > 7)
+               return;
+
+       p[0] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile));
+       p[1] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile) + 4);
+       p[2] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile) + 8) & 0x1FFFFFFF;
+       p[3] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile) + 12) & 0x1FFFFFFF;
+       p[4] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile) + 16) & 0x1FFFFFFF;
+
+       pr_info("VLAN %d: L2 learn: %d; Unknown MC PMasks: L2 %0x, IPv4 %0x, IPv6: %0x",
+               profile, p[0] & (3 << 21), p[2], p[3], p[4]);
+       pr_info("  Routing enabled: IPv4 UC %c, IPv6 UC %c, IPv4 MC %c, IPv6 MC %c\n",
+               p[0] & BIT(17) ? 'y' : 'n', p[0] & BIT(16) ? 'y' : 'n',
+               p[0] & BIT(13) ? 'y' : 'n', p[0] & BIT(12) ? 'y' : 'n');
+       pr_info("  Bridge enabled: IPv4 MC %c, IPv6 MC %c,\n",
+               p[0] & BIT(15) ? 'y' : 'n', p[0] & BIT(14) ? 'y' : 'n');
+       pr_info("VLAN profile %d: raw %08x %08x %08x %08x %08x\n",
+               profile, p[0], p[1], p[2], p[3], p[4]);
+}
+
+static void rtl930x_vlan_set_untagged(u32 vlan, u64 portmask)
+{
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_2, 0);
+
+       sw_w32(portmask << 3, rtl_table_data(r, 0));
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+/* Sets the L2 forwarding to be based on either the inner VLAN tag or the outer
+ */
+static void rtl930x_vlan_fwd_on_inner(int port, bool is_set)
+{
+       // Always set all tag modes to fwd based on either inner or outer tag
+       if (is_set)
+               sw_w32_mask(0, 0xf, RTL930X_VLAN_PORT_FWD + (port << 2));
+       else
+               sw_w32_mask(0xf, 0, RTL930X_VLAN_PORT_FWD + (port << 2));
+}
+
+static void rtl930x_vlan_profile_setup(int profile)
+{
+       u32 p[5];
+
+       pr_info("In %s\n", __func__);
+       p[0] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile));
+       p[1] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile) + 4);
+
+       // Enable routing of Ipv4/6 Unicast and IPv4/6 Multicast traffic
+       p[0] |= BIT(17) | BIT(16) | BIT(13) | BIT(12);
+       p[2] = 0x1fffffff; // L2 unknown MC flooding portmask all ports, including the CPU-port
+       p[3] = 0x1fffffff; // IPv4 unknown MC flooding portmask
+       p[4] = 0x1fffffff; // IPv6 unknown MC flooding portmask
+
+       sw_w32(p[0], RTL930X_VLAN_PROFILE_SET(profile));
+       sw_w32(p[1], RTL930X_VLAN_PROFILE_SET(profile) + 4);
+       sw_w32(p[2], RTL930X_VLAN_PROFILE_SET(profile) + 8);
+       sw_w32(p[3], RTL930X_VLAN_PROFILE_SET(profile) + 12);
+       sw_w32(p[4], RTL930X_VLAN_PROFILE_SET(profile) + 16);
+       pr_info("Leaving %s\n", __func__);
+}
+
+static void rtl930x_stp_get(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 17 /* Execute cmd */
+               | 0 << 16 /* Read */
+               | 4 << 12 /* Table type 0b10 */
+               | (msti & 0xfff);
+       priv->r->exec_tbl0_cmd(cmd);
+
+       for (i = 0; i < 2; i++)
+               port_state[i] = sw_r32(RTL930X_TBL_ACCESS_DATA_0(i));
+       pr_debug("MSTI: %d STATE: %08x, %08x\n", msti, port_state[0], port_state[1]);
+}
+
+static void rtl930x_stp_set(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 17 /* Execute cmd */
+               | 1 << 16 /* Write */
+               | 4 << 12 /* Table type 4 */
+               | (msti & 0xfff);
+
+       for (i = 0; i < 2; i++)
+               sw_w32(port_state[i], RTL930X_TBL_ACCESS_DATA_0(i));
+       priv->r->exec_tbl0_cmd(cmd);
+}
+
+static inline int rtl930x_mac_force_mode_ctrl(int p)
+{
+       return RTL930X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+static inline int rtl930x_mac_port_ctrl(int p)
+{
+       return RTL930X_MAC_L2_PORT_CTRL(p);
+}
+
+static inline int rtl930x_mac_link_spd_sts(int p)
+{
+       return RTL930X_MAC_LINK_SPD_STS(p);
+}
+
+static u64 rtl930x_l2_hash_seed(u64 mac, u32 vid)
+{
+       u64 v = vid;
+
+       v <<= 48;
+       v |= mac;
+
+       return v;
+}
+
+/*
+ * Calculate both the block 0 and the block 1 hash by applyingthe same hash
+ * algorithm as the one used currently by the ASIC to the seed, and return
+ * both hashes in the lower and higher word of the return value since only 12 bit of
+ * the hash are significant
+ */
+static u32 rtl930x_l2_hash_key(struct rtl838x_switch_priv *priv, u64 seed)
+{
+       u32 k0, k1, h1, h2, h;
+
+       k0 = (u32) (((seed >> 55) & 0x1f) ^ ((seed >> 44) & 0x7ff)
+               ^ ((seed >> 33) & 0x7ff) ^ ((seed >> 22) & 0x7ff)
+               ^ ((seed >> 11) & 0x7ff) ^ (seed & 0x7ff));
+
+       h1 = (seed >> 11) & 0x7ff;
+       h1 = ((h1 & 0x1f) << 6) | ((h1 >> 5) & 0x3f);
+
+       h2 = (seed >> 33) & 0x7ff;
+       h2 = ((h2 & 0x3f) << 5)| ((h2 >> 6) & 0x3f);
+
+       k1 = (u32) (((seed << 55) & 0x1f) ^ ((seed >> 44) & 0x7ff) ^ h2
+                   ^ ((seed >> 22) & 0x7ff) ^ h1
+                   ^ (seed & 0x7ff));
+
+       // Algorithm choice for block 0
+       if (sw_r32(RTL930X_L2_CTRL) & BIT(0))
+               h = k1;
+       else
+               h = k0;
+
+       /* Algorithm choice for block 1
+        * Since k0 and k1 are < 2048, adding 2048 will offset the hash into the second
+        * half of hash-space
+        * 2048 is in fact the hash-table size 16384 divided by 4 hashes per bucket
+        * divided by 2 to divide the hash space in 2
+        */
+       if (sw_r32(RTL930X_L2_CTRL) & BIT(1))
+               h |= (k1 + 2048) << 16;
+       else
+               h |= (k0 + 2048) << 16;
+
+       return h;
+}
+
+/*
+ * Fills an L2 entry structure from the SoC registers
+ */
+static void rtl930x_fill_l2_entry(u32 r[], struct rtl838x_l2_entry *e)
+{
+       pr_debug("In %s valid?\n", __func__);
+       e->valid = !!(r[2] & BIT(31));
+       if (!e->valid)
+               return;
+
+       pr_debug("In %s is valid\n", __func__);
+       e->is_ip_mc = false;
+       e->is_ipv6_mc = false;
+
+       // TODO: Is there not a function to copy directly MAC memory?
+       e->mac[0] = (r[0] >> 24);
+       e->mac[1] = (r[0] >> 16);
+       e->mac[2] = (r[0] >> 8);
+       e->mac[3] = r[0];
+       e->mac[4] = (r[1] >> 24);
+       e->mac[5] = (r[1] >> 16);
+
+       e->next_hop = !!(r[2] & BIT(12));
+       e->rvid = r[1] & 0xfff;
+
+       /* Is it a unicast entry? check multicast bit */
+       if (!(e->mac[0] & 1)) {
+               e->type = L2_UNICAST;
+               e->is_static = !!(r[2] & BIT(14));
+               e->port = (r[2] >> 20) & 0x3ff;
+               // Check for trunk port
+               if (r[2] & BIT(30)) {
+                       e->is_trunk = true;
+                       e->stack_dev = (e->port >> 9) & 1;
+                       e->trunk = e->port & 0x3f;
+               } else {
+                       e->is_trunk = false;
+                       e->stack_dev = (e->port >> 6) & 0xf;
+                       e->port = e->port & 0x3f;
+               }
+
+               e->block_da = !!(r[2] & BIT(15));
+               e->block_sa = !!(r[2] & BIT(16));
+               e->suspended = !!(r[2] & BIT(13));
+               e->age = (r[2] >> 17) & 3;
+               e->valid = true;
+               // the UC_VID field in hardware is used for the VID or for the route id
+               if (e->next_hop) {
+                       e->nh_route_id = r[2] & 0xfff;
+                       e->vid = 0;
+               } else {
+                       e->vid = r[2] & 0xfff;
+                       e->nh_route_id = 0;
+               }
+       } else {
+               e->valid = true;
+               e->type = L2_MULTICAST;
+               e->mc_portmask_index = (r[2] >> 16) & 0x3ff;
+       }
+}
+
+/*
+ * Fills the 3 SoC table registers r[] with the information of in the rtl838x_l2_entry
+ */
+static void rtl930x_fill_l2_row(u32 r[], struct rtl838x_l2_entry *e)
+{
+       u32 port;
+
+       if (!e->valid) {
+               r[0] = r[1] = r[2] = 0;
+               return;
+       }
+
+       r[2] = BIT(31); // Set valid bit
+
+       r[0] = ((u32)e->mac[0]) << 24 | ((u32)e->mac[1]) << 16 
+               | ((u32)e->mac[2]) << 8 | ((u32)e->mac[3]);
+       r[1] = ((u32)e->mac[4]) << 24 | ((u32)e->mac[5]) << 16;
+
+       r[2] |= e->next_hop ? BIT(12) : 0;
+
+       if (e->type == L2_UNICAST) {
+               r[2] |= e->is_static ? BIT(14) : 0;
+               r[1] |= e->rvid & 0xfff;
+               r[2] |= (e->port & 0x3ff) << 20;
+               if (e->is_trunk) {
+                       r[2] |= BIT(30);
+                       port = e->stack_dev << 9 | (e->port & 0x3f);
+               } else {
+                       port = (e->stack_dev & 0xf) << 6;
+                       port |= e->port & 0x3f;
+               }
+               r[2] |= port << 20;
+               r[2] |= e->block_da ? BIT(15) : 0;
+               r[2] |= e->block_sa ? BIT(17) : 0;
+               r[2] |= e->suspended ? BIT(13) : 0;
+               r[2] |= (e->age & 0x3) << 17;
+               // the UC_VID field in hardware is used for the VID or for the route id
+               if (e->next_hop)
+                       r[2] |= e->nh_route_id & 0xfff;
+               else
+                       r[2] |= e->vid & 0xfff;
+       } else { // L2_MULTICAST
+               r[2] |= (e->mc_portmask_index & 0x3ff) << 16;
+               r[2] |= e->mc_mac_index & 0x7ff;
+       }
+}
+
+/*
+ * Read an L2 UC or MC entry out of a hash bucket of the L2 forwarding table
+ * hash is the id of the bucket and pos is the position of the entry in that bucket
+ * The data read from the SoC is filled into rtl838x_l2_entry
+ */
+static u64 rtl930x_read_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 0);
+       u32 idx;
+       int i;
+       u64 mac;
+       u64 seed;
+
+       pr_debug("%s: hash %08x, pos: %d\n", __func__, hash, pos);
+
+       /* On the RTL93xx, 2 different hash algorithms are used making it a total of
+        * 8 buckets that need to be searched, 4 for each hash-half
+        * Use second hash space when bucket is between 4 and 8 */
+       if (pos >= 4) {
+               pos -= 4;
+               hash >>= 16;
+       } else {
+               hash &= 0xffff;
+       }
+
+       idx = (0 << 14) | (hash << 2) | pos; // Search SRAM, with hash and at pos in bucket
+       pr_debug("%s: NOW hash %08x, pos: %d\n", __func__, hash, pos);
+
+       rtl_table_read(q, idx);
+       for (i = 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl930x_fill_l2_entry(r, e);
+
+       pr_debug("%s: valid: %d, nh: %d\n", __func__, e->valid, e->next_hop);
+       if (!e->valid)
+               return 0;
+
+       mac = ((u64)e->mac[0]) << 40 | ((u64)e->mac[1]) << 32 | ((u64)e->mac[2]) << 24
+               | ((u64)e->mac[3]) << 16 | ((u64)e->mac[4]) << 8 | ((u64)e->mac[5]);
+
+       seed = rtl930x_l2_hash_seed(mac, e->rvid);
+       pr_debug("%s: mac %016llx, seed %016llx\n", __func__, mac, seed);
+       // return vid with concatenated mac as unique id
+       return seed;
+}
+
+static void rtl930x_write_l2_entry_using_hash(u32 hash, u32 pos, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 0);
+       u32 idx = (0 << 14) | (hash << 2) | pos; // Access SRAM, with hash and at pos in bucket
+       int i;
+
+       pr_info("%s: hash %d, pos %d\n", __func__, hash, pos);
+       pr_info("%s: index %d -> mac %02x:%02x:%02x:%02x:%02x:%02x\n", __func__, idx,
+               e->mac[0], e->mac[1], e->mac[2], e->mac[3],e->mac[4],e->mac[5]);
+
+       rtl930x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static u64 rtl930x_read_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 1);
+       int i;
+
+       rtl_table_read(q, idx);
+       for (i= 0; i < 3; i++)
+               r[i] = sw_r32(rtl_table_data(q, i));
+
+       rtl_table_release(q);
+
+       rtl930x_fill_l2_entry(r, e);
+       if (!e->valid)
+               return 0;
+
+       // return mac with concatenated vid as unique id
+       return ((u64)r[0] << 28) | ((r[1] & 0xffff0000) >> 4) | e->vid;
+}
+
+static void rtl930x_write_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u32 r[3];
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 1); // Access L2 Table 1
+       int i;
+
+       rtl930x_fill_l2_row(r, e);
+
+       for (i= 0; i < 3; i++)
+               sw_w32(r[i], rtl_table_data(q, i));
+
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+static void dump_l2_entry(struct rtl838x_l2_entry *e)
+{
+       pr_info("MAC: %02x:%02x:%02x:%02x:%02x:%02x vid: %d, rvid: %d, port: %d, valid: %d\n",
+               e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5],
+               e->vid, e->rvid, e->port, e->valid);
+       pr_info("Type: %d, is_static: %d, is_ip_mc: %d, is_ipv6_mc: %d, block_da: %d\n",
+               e->type, e->is_static, e->is_ip_mc, e->is_ipv6_mc, e->block_da);
+       pr_info("  block_sa: %d, suspended: %d, next_hop: %d, age: %d, is_trunk: %d, trunk: %d\n",
+               e->block_sa, e->suspended, e->next_hop, e->age, e->is_trunk, e->trunk);
+       if (e->is_ip_mc || e->is_ipv6_mc)
+               pr_info("  mc_portmask_index: %d, mc_gip: %d, mc_sip: %d\n",
+                       e->mc_portmask_index, e->mc_gip, e->mc_sip);
+       pr_info("  stac_dev: %d, nh_route_id: %d, port: %d, dev_id\n",
+               e->stack_dev, e->nh_route_id, e->port);
+}
+
+/*
+ * Add an L2 nexthop entry for the L3 routing system in the SoC
+ * Use VID and MAC in rtl838x_l2_entry to identify either a free slot in the L2 hash table
+ * or mark an existing entry as a nexthop by setting it's nexthop bit
+ * Called from the L3 layer
+ * The index in the L2 hash table is filled into nh->l2_id;
+ */
+static int rtl930x_l2_nexthop_add(struct rtl838x_switch_priv *priv, struct rtl838x_nexthop *nh)
+{
+       struct rtl838x_l2_entry e;
+       u64 seed = rtl930x_l2_hash_seed(nh->mac, nh->vid);
+       u32 key = rtl930x_l2_hash_key(priv, seed);
+       int i, idx = -1;
+       u64 entry;
+
+       pr_info("%s searching for %08llx vid %d with key %d, seed: %016llx\n",
+               __func__, nh->mac, nh->vid, key, seed);
+       
+       e.type = L2_UNICAST;
+       e.rvid = nh->fid; // Verify its the forwarding ID!!! l2_entry.un.unicast.fid
+       u64_to_ether_addr(nh->mac, &e.mac[0]);
+       e.port = RTL930X_PORT_IGNORE;
+
+       // Loop over all entries in the hash-bucket and over the second block on 93xx SoCs
+       for (i = 0; i < priv->l2_bucket_size; i++) {
+               entry = rtl930x_read_l2_entry_using_hash(key, i, &e);
+               pr_info("%s i: %d, entry %016llx, seed %016llx\n", __func__, i, entry, seed);
+               if (e.valid && e.next_hop)
+                       continue;
+               if (!e.valid || ((entry & 0x0fffffffffffffffULL) == seed)) {
+                       idx = i > 3 ? ((key >> 14) & 0xffff) | i >> 1
+                                       : ((key << 2) | i) & 0xffff;
+                       break;
+               }
+       }
+
+       pr_info("%s: found idx %d and i %d\n", __func__, idx, i);
+
+       if (idx < 0) {
+               pr_err("%s: No more L2 forwarding entries available\n", __func__);
+               return -1;
+       }
+
+       // Found an existing or empty entry, make it a nexthop entry
+       pr_info("%s BEFORE -> key %d, pos: %d, index: %d\n", __func__, key, i, idx);
+       dump_l2_entry(&e);
+       nh->l2_id = idx;
+
+       // Found an existing (e->valid is true) or empty entry, make it a nexthop entry
+       if (e.valid) {
+               nh->port = e.port;
+               nh->fid = e.rvid;
+               nh->vid = e.vid;
+               nh->dev_id = e.stack_dev;
+       } else {
+               e.valid = true;
+               e.is_static = false;
+               e.vid = nh->vid;
+               e.rvid = nh->fid;
+               e.port = RTL930X_PORT_IGNORE;
+               u64_to_ether_addr(nh->mac, &e.mac[0]);
+       }
+       e.next_hop = true;
+       // For nexthop entries, the vid field in the table is used to denote the dest mac_id
+       e.nh_route_id = nh->mac_id;
+       pr_info("%s AFTER\n", __func__);
+       dump_l2_entry(&e);
+
+       rtl930x_write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+
+       // _dal_longan_l2_nexthop_add
+       return 0;
+}
+
+static u64 rtl930x_read_mcast_pmask(int idx)
+{
+       u32 portmask;
+       // Read MC_PORTMASK (2) via register RTL9300_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 2);
+
+       rtl_table_read(q, idx);
+       portmask = sw_r32(rtl_table_data(q, 0));
+       portmask >>= 3;
+       rtl_table_release(q);
+
+       pr_debug("%s: Index idx %d has portmask %08x\n", __func__, idx, portmask);
+       return portmask;
+}
+
+static void rtl930x_write_mcast_pmask(int idx, u64 portmask)
+{
+       u32 pm = portmask;
+
+       // Access MC_PORTMASK (2) via register RTL9300_TBL_L2
+       struct table_reg *q = rtl_table_get(RTL9300_TBL_L2, 2);
+
+       pr_debug("%s: Index idx %d has portmask %08x\n", __func__, idx, pm);
+       pm <<= 3;
+       sw_w32(pm, rtl_table_data(q, 0));
+       rtl_table_write(q, idx);
+       rtl_table_release(q);
+}
+
+u64 rtl930x_traffic_get(int source)
+{
+       u32 v;
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 6);
+
+       rtl_table_read(r, source);
+       v = sw_r32(rtl_table_data(r, 0));
+       rtl_table_release(r);
+       return v >> 3;
+}
+
+/*
+ * Enable traffic between a source port and a destination port matrix
+ */
+void rtl930x_traffic_set(int source, u64 dest_matrix)
+{
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 6);
+
+       sw_w32((dest_matrix << 3), rtl_table_data(r, 0));
+       rtl_table_write(r, source);
+       rtl_table_release(r);
+}
+
+void rtl930x_traffic_enable(int source, int dest)
+{
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 6);
+       rtl_table_read(r, source);
+       sw_w32_mask(0, BIT(dest + 3), rtl_table_data(r, 0));
+       rtl_table_write(r, source);
+       rtl_table_release(r);
+}
+
+void rtl930x_traffic_disable(int source, int dest)
+{
+       struct table_reg *r = rtl_table_get(RTL9300_TBL_0, 6);
+       rtl_table_read(r, source);
+       sw_w32_mask(BIT(dest + 3), 0, rtl_table_data(r, 0));
+       rtl_table_write(r, source);
+       rtl_table_release(r);
+}
+
+void rtl9300_dump_debug(void)
+{
+       int i;
+       u16 r = RTL930X_STAT_PRVTE_DROP_COUNTER0;
+
+       for (i = 0; i < 10; i ++) {
+               pr_info("# %d %08x %08x %08x %08x %08x %08x %08x %08x\n", i * 8,
+                       sw_r32(r), sw_r32(r + 4), sw_r32(r + 8), sw_r32(r + 12),
+                       sw_r32(r + 16), sw_r32(r + 20), sw_r32(r + 24), sw_r32(r + 28));
+               r += 32;
+       }
+       pr_info("# %08x %08x %08x %08x %08x\n",
+               sw_r32(r), sw_r32(r + 4), sw_r32(r + 8), sw_r32(r + 12), sw_r32(r + 16));
+       rtl930x_print_matrix();
+       pr_info("RTL930X_L2_PORT_SABLK_CTRL: %08x, RTL930X_L2_PORT_DABLK_CTRL %08x\n",
+               sw_r32(RTL930X_L2_PORT_SABLK_CTRL), sw_r32(RTL930X_L2_PORT_DABLK_CTRL)
+
+       );
+}
+
+irqreturn_t rtl930x_switch_irq(int irq, void *dev_id)
+{
+       struct dsa_switch *ds = dev_id;
+       u32 status = sw_r32(RTL930X_ISR_GLB);
+       u32 ports = sw_r32(RTL930X_ISR_PORT_LINK_STS_CHG);
+       u32 link;
+       int i;
+
+       /* Clear status */
+       sw_w32(ports, RTL930X_ISR_PORT_LINK_STS_CHG);
+       pr_info("RTL9300 Link change: status: %x, ports %x\n", status, ports);
+
+       rtl9300_dump_debug();
+
+       for (i = 0; i < 28; i++) {
+               if (ports & BIT(i)) {
+                       /* Read the register twice because of issues with latency at least
+                        * with the external RTL8226 PHY on the XGS1210 */
+                       link = sw_r32(RTL930X_MAC_LINK_STS);
+                       link = sw_r32(RTL930X_MAC_LINK_STS);
+                       if (link & BIT(i))
+                               dsa_port_phylink_mac_change(ds, i, true);
+                       else
+                               dsa_port_phylink_mac_change(ds, i, false);
+               }
+       }
+
+       return IRQ_HANDLED;
+}
+
+int rtl9300_sds_power(int mac, int val)
+{
+       int sds_num;
+       u32 mode;
+
+       // TODO: these numbers are hard-coded for the Zyxel XGS1210 12 Switch
+       pr_info("SerDes: %s %d\n", __func__, mac);
+       switch (mac) {
+       case 24:
+               sds_num = 6;
+               mode = 0x12; // HISGMII
+               break;
+       case 25:
+               sds_num = 7;
+               mode = 0x12; // HISGMII
+               break;
+       case 26:
+               sds_num = 8;
+               mode = 0x1b; // 10GR/1000BX auto
+               break;
+       case 27:
+               sds_num = 9;
+               mode = 0x1b; // 10GR/1000BX auto
+               break;
+       default:
+               return -1;
+       }
+       if (!val)
+               mode = 0x1f; // OFF
+
+       rtl9300_sds_rst(sds_num, mode);
+
+       return 0;
+}
+
+int rtl930x_write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       u32 v;
+       int err = 0;
+
+       pr_debug("%s: port %d, page: %d, reg: %x, val: %x\n", __func__, port, page, reg, val);
+
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       val &= 0xffff;
+       mutex_lock(&smi_lock);
+
+       sw_w32(BIT(port), RTL930X_SMI_ACCESS_PHY_CTRL_0);
+       sw_w32_mask(0xffff << 16, val << 16, RTL930X_SMI_ACCESS_PHY_CTRL_2);
+       v = reg << 20 | page << 3 | 0x1f << 15 | BIT(2) | BIT(0);
+       sw_w32(v, RTL930X_SMI_ACCESS_PHY_CTRL_1);
+
+       do {
+               v = sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1);
+       } while (v & 0x1);
+
+       if (v & 0x2)
+               err = -EIO;
+
+       mutex_unlock(&smi_lock);
+
+       return err;
+}
+
+int rtl930x_read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{
+       u32 v;
+       int err = 0;
+
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+
+       sw_w32_mask(0xffff << 16, port << 16, RTL930X_SMI_ACCESS_PHY_CTRL_2);
+       v = reg << 20 | page << 3 | 0x1f << 15 | 1;
+       sw_w32(v, RTL930X_SMI_ACCESS_PHY_CTRL_1);
+
+       do {
+               v = sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1);
+       } while ( v & 0x1);
+
+       if (v & BIT(25)) {
+               pr_debug("Error reading phy %d, register %d\n", port, reg);
+               err = -EIO;
+       }
+       *val = (sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_2) & 0xffff);
+
+       pr_debug("%s: port %d, page: %d, reg: %x, val: %x\n", __func__, port, page, reg, *val);
+
+       mutex_unlock(&smi_lock);
+
+       return err;
+}
+
+/*
+ * Write to an mmd register of the PHY
+ */
+int rtl930x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val)
+{
+       int err = 0;
+       u32 v;
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access
+       sw_w32(BIT(port), RTL930X_SMI_ACCESS_PHY_CTRL_0);
+
+       // Set data to write
+       sw_w32_mask(0xffff << 16, val << 16, RTL930X_SMI_ACCESS_PHY_CTRL_2);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL930X_SMI_ACCESS_PHY_CTRL_3);
+
+       v = BIT(2) | BIT(1) | BIT(0); // WRITE | MMD-access | EXEC
+       sw_w32(v, RTL930X_SMI_ACCESS_PHY_CTRL_1);
+
+       do {
+               v = sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1);
+       } while (v & BIT(0));
+
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, val, err);
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+/*
+ * Read an mmd register of the PHY
+ */
+int rtl930x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
+{
+       int err = 0;
+       u32 v;
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access
+       sw_w32_mask(0xffff << 16, port << 16, RTL930X_SMI_ACCESS_PHY_CTRL_2);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL930X_SMI_ACCESS_PHY_CTRL_3);
+
+       v = BIT(1) | BIT(0); // MMD-access | EXEC
+       sw_w32(v, RTL930X_SMI_ACCESS_PHY_CTRL_1);
+
+       do {
+               v = sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1);
+       } while (v & BIT(0));
+       // There is no error-checking via BIT 25 of v, as it does not seem to be set correctly
+       *val = (sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_2) & 0xffff);
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, *val, err);
+
+       mutex_unlock(&smi_lock);
+
+       return err;
+}
+
+/*
+ * Calculate both the block 0 and the block 1 hash, and return in
+ * lower and higher word of the return value since only 12 bit of
+ * the hash are significant
+ */
+u32 rtl930x_hash(struct rtl838x_switch_priv *priv, u64 seed)
+{
+       u32 k0, k1, h1, h2, h;
+
+       k0 = (u32) (((seed >> 55) & 0x1f) ^ ((seed >> 44) & 0x7ff)
+               ^ ((seed >> 33) & 0x7ff) ^ ((seed >> 22) & 0x7ff)
+               ^ ((seed >> 11) & 0x7ff) ^ (seed & 0x7ff));
+
+       h1 = (seed >> 11) & 0x7ff;
+       h1 = ((h1 & 0x1f) << 6) | ((h1 >> 5) & 0x3f);
+
+       h2 = (seed >> 33) & 0x7ff;
+       h2 = ((h2 & 0x3f) << 5)| ((h2 >> 6) & 0x3f);
+
+       k1 = (u32) (((seed << 55) & 0x1f) ^ ((seed >> 44) & 0x7ff) ^ h2
+                   ^ ((seed >> 22) & 0x7ff) ^ h1
+                   ^ (seed & 0x7ff));
+
+       // Algorithm choice for block 0
+       if (sw_r32(RTL930X_L2_CTRL) & BIT(0))
+               h = k1;
+       else
+               h = k0;
+
+       /* Algorithm choice for block 1
+        * Since k0 and k1 are < 2048, adding 2048 will offset the hash into the second
+        * half of hash-space
+        * 2048 is in fact the hash-table size 16384 divided by 4 hashes per bucket
+        * divided by 2 to divide the hash space in 2
+        */
+       if (sw_r32(RTL930X_L2_CTRL) & BIT(1))
+               h |= (k1 + 2048) << 16;
+       else
+               h |= (k0 + 2048) << 16;
+
+       return h;
+}
+
+/*
+ * Enables or disables the EEE/EEEP capability of a port
+ */
+void rtl930x_port_eee_set(struct rtl838x_switch_priv *priv, int port, bool enable)
+{
+       u32 v;
+
+       // This works only for Ethernet ports, and on the RTL930X, ports from 26 are SFP
+       if (port >= 26)
+               return;
+
+       pr_debug("In %s: setting port %d to %d\n", __func__, port, enable);
+       v = enable ? 0x3f : 0x0;
+
+       // Set EEE/EEEP state for 100, 500, 1000MBit and 2.5, 5 and 10GBit
+       sw_w32_mask(0, v << 10, rtl930x_mac_force_mode_ctrl(port));
+
+       // Set TX/RX EEE state
+       v = enable ? 0x3 : 0x0;
+       sw_w32(v, RTL930X_EEE_CTRL(port));
+
+       priv->ports[port].eee_enabled = enable;
+}
+
+/*
+ * Get EEE own capabilities and negotiation result
+ */
+int rtl930x_eee_port_ability(struct rtl838x_switch_priv *priv, struct ethtool_eee *e, int port)
+{
+       u32 link, a;
+
+       if (port >= 26)
+               return -ENOTSUPP;
+
+       pr_info("In %s, port %d\n", __func__, port);
+       link = sw_r32(RTL930X_MAC_LINK_STS);
+       link = sw_r32(RTL930X_MAC_LINK_STS);
+       if (!(link & BIT(port)))
+               return 0;
+
+       pr_info("Setting advertised\n");
+       if (sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(10))
+               e->advertised |= ADVERTISED_100baseT_Full;
+
+       if (sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(12))
+               e->advertised |= ADVERTISED_1000baseT_Full;
+
+       if (priv->ports[port].is2G5 && sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(13)) {
+               pr_info("ADVERTISING 2.5G EEE\n");
+               e->advertised |= ADVERTISED_2500baseX_Full;
+       }
+
+       if (priv->ports[port].is10G && sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(15))
+               e->advertised |= ADVERTISED_10000baseT_Full;
+
+       a = sw_r32(RTL930X_MAC_EEE_ABLTY);
+       a = sw_r32(RTL930X_MAC_EEE_ABLTY);
+       pr_info("Link partner: %08x\n", a);
+       if (a & BIT(port)) {
+               e->lp_advertised = ADVERTISED_100baseT_Full;
+               e->lp_advertised |= ADVERTISED_1000baseT_Full;
+               if (priv->ports[port].is2G5)
+                       e->lp_advertised |= ADVERTISED_2500baseX_Full;
+               if (priv->ports[port].is10G)
+                       e->lp_advertised |= ADVERTISED_10000baseT_Full;
+       }
+
+       // Read 2x to clear latched state
+       a = sw_r32(RTL930X_EEEP_PORT_CTRL(port));
+       a = sw_r32(RTL930X_EEEP_PORT_CTRL(port));
+       pr_info("%s RTL930X_EEEP_PORT_CTRL: %08x\n", __func__, a);
+
+       return 0;
+}
+
+static void rtl930x_init_eee(struct rtl838x_switch_priv *priv, bool enable)
+{
+       int i;
+
+       pr_info("Setting up EEE, state: %d\n", enable);
+
+       // Setup EEE on all ports
+       for (i = 0; i < priv->cpu_port; i++) {
+               if (priv->ports[i].phy)
+                       rtl930x_port_eee_set(priv, i, enable);
+       }
+
+       priv->eee_enabled = enable;
+}
+
+const struct rtl838x_reg rtl930x_reg = {
+       .mask_port_reg_be = rtl838x_mask_port_reg,
+       .set_port_reg_be = rtl838x_set_port_reg,
+       .get_port_reg_be = rtl838x_get_port_reg,
+       .mask_port_reg_le = rtl838x_mask_port_reg,
+       .set_port_reg_le = rtl838x_set_port_reg,
+       .get_port_reg_le = rtl838x_get_port_reg,
+       .stat_port_rst = RTL930X_STAT_PORT_RST,
+       .stat_rst = RTL930X_STAT_RST,
+       .stat_port_std_mib = RTL930X_STAT_PORT_MIB_CNTR,
+       .traffic_enable = rtl930x_traffic_enable,
+       .traffic_disable = rtl930x_traffic_disable,
+       .traffic_get = rtl930x_traffic_get,
+       .traffic_set = rtl930x_traffic_set,
+       .l2_ctrl_0 = RTL930X_L2_CTRL,
+       .l2_ctrl_1 = RTL930X_L2_AGE_CTRL,
+       .l2_port_aging_out = RTL930X_L2_PORT_AGE_CTRL,
+       .smi_poll_ctrl = RTL930X_SMI_POLL_CTRL, // TODO: Difference to RTL9300_SMI_PRVTE_POLLING_CTRL
+       .l2_tbl_flush_ctrl = RTL930X_L2_TBL_FLUSH_CTRL,
+       .exec_tbl0_cmd = rtl930x_exec_tbl0_cmd,
+       .exec_tbl1_cmd = rtl930x_exec_tbl1_cmd,
+       .tbl_access_data_0 = rtl930x_tbl_access_data_0,
+       .isr_glb_src = RTL930X_ISR_GLB,
+       .isr_port_link_sts_chg = RTL930X_ISR_PORT_LINK_STS_CHG,
+       .imr_port_link_sts_chg = RTL930X_IMR_PORT_LINK_STS_CHG,
+       .imr_glb = RTL930X_IMR_GLB,
+       .vlan_tables_read = rtl930x_vlan_tables_read,
+       .vlan_set_tagged = rtl930x_vlan_set_tagged,
+       .vlan_set_untagged = rtl930x_vlan_set_untagged,
+       .vlan_profile_dump = rtl930x_vlan_profile_dump,
+       .vlan_profile_setup = rtl930x_vlan_profile_setup,
+       .vlan_fwd_on_inner = rtl930x_vlan_fwd_on_inner,
+       .stp_get = rtl930x_stp_get,
+       .stp_set = rtl930x_stp_set,
+       .mac_force_mode_ctrl = rtl930x_mac_force_mode_ctrl,
+       .mac_port_ctrl = rtl930x_mac_port_ctrl,
+       .l2_port_new_salrn = rtl930x_l2_port_new_salrn,
+       .l2_port_new_sa_fwd = rtl930x_l2_port_new_sa_fwd,
+       .mir_ctrl = RTL930X_MIR_CTRL,
+       .mir_dpm = RTL930X_MIR_DPM_CTRL,
+       .mir_spm = RTL930X_MIR_SPM_CTRL,
+       .mac_link_sts = RTL930X_MAC_LINK_STS,
+       .mac_link_dup_sts = RTL930X_MAC_LINK_DUP_STS,
+       .mac_link_spd_sts = rtl930x_mac_link_spd_sts,
+       .mac_rx_pause_sts = RTL930X_MAC_RX_PAUSE_STS,
+       .mac_tx_pause_sts = RTL930X_MAC_TX_PAUSE_STS,
+       .read_l2_entry_using_hash = rtl930x_read_l2_entry_using_hash,
+       .write_l2_entry_using_hash = rtl930x_write_l2_entry_using_hash,
+       .read_cam = rtl930x_read_cam,
+       .write_cam = rtl930x_write_cam,
+       .vlan_port_egr_filter = RTL930X_VLAN_PORT_EGR_FLTR,
+       .vlan_port_igr_filter = RTL930X_VLAN_PORT_IGR_FLTR(0),
+       .vlan_port_pb = RTL930X_VLAN_PORT_PB_VLAN,
+       .vlan_port_tag_sts_ctrl = RTL930X_VLAN_PORT_TAG_STS_CTRL,
+       .trk_mbr_ctr = rtl930x_trk_mbr_ctr,
+       .rma_bpdu_fld_pmask = RTL930X_RMA_BPDU_FLD_PMSK,
+       .init_eee = rtl930x_init_eee,
+       .port_eee_set = rtl930x_port_eee_set,
+       .eee_port_ability = rtl930x_eee_port_ability,
+       .read_mcast_pmask = rtl930x_read_mcast_pmask,
+       .write_mcast_pmask = rtl930x_write_mcast_pmask,
+};
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl931x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl931x.c
new file mode 100644 (file)
index 0000000..f98bf7d
--- /dev/null
@@ -0,0 +1,393 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+extern struct mutex smi_lock;
+extern struct rtl83xx_soc_info soc_info;
+
+inline void rtl931x_exec_tbl0_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL931X_TBL_ACCESS_CTRL_0);
+       do { } while (sw_r32(RTL931X_TBL_ACCESS_CTRL_0) & (1 << 20));
+}
+
+inline void rtl931x_exec_tbl1_cmd(u32 cmd)
+{
+       sw_w32(cmd, RTL931X_TBL_ACCESS_CTRL_1);
+       do { } while (sw_r32(RTL931X_TBL_ACCESS_CTRL_1) & (1 << 17));
+}
+
+inline int rtl931x_tbl_access_data_0(int i)
+{
+       return RTL931X_TBL_ACCESS_DATA_0(i);
+}
+
+void rtl931x_vlan_profile_dump(int index)
+{
+       u64 profile[4];
+
+       if (index < 0 || index > 15)
+               return;
+
+       profile[0] = sw_r32(RTL931X_VLAN_PROFILE_SET(index));
+       profile[1] = (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 4) & 0x1FFFFFFFULL) << 32
+               | (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 8) & 0xFFFFFFFF);
+       profile[2] = (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 16) & 0xFFFFFFFFULL) << 32
+               | (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 12) & 0x1FFFFFFULL);
+       profile[3] = (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 20) & 0x1FFFFFFFULL) << 32
+               | (sw_r32(RTL931X_VLAN_PROFILE_SET(index) + 24) & 0xFFFFFFFF);
+
+       pr_info("VLAN %d: L2 learning: %d, L2 Unknown MultiCast Field %llx, \
+               IPv4 Unknown MultiCast Field %llx, IPv6 Unknown MultiCast Field: %llx",
+               index, (u32) (profile[0] & (3 << 14)), profile[1], profile[2], profile[3]);
+}
+
+static void rtl931x_stp_get(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 20 /* Execute cmd */
+               | 0 << 19 /* Read */
+               | 2 << 15 /* Table type 0b10 */
+               | (msti & 0x3fff);
+       priv->r->exec_tbl0_cmd(cmd);
+
+       for (i = 0; i < 4; i++)
+               port_state[i] = sw_r32(priv->r->tbl_access_data_0(i));
+}
+
+static void rtl931x_stp_set(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
+{
+       int i;
+       u32 cmd = 1 << 20 /* Execute cmd */
+               | 1 << 19 /* Write */
+               | 5 << 15 /* Table type 0b101 */
+               | (msti & 0x3fff);
+       for (i = 0; i < 4; i++)
+               sw_w32(port_state[i], priv->r->tbl_access_data_0(i));
+       priv->r->exec_tbl0_cmd(cmd);
+}
+
+inline static int rtl931x_trk_mbr_ctr(int group)
+{
+       return RTL931X_TRK_MBR_CTRL + (group << 2);
+}
+
+static void rtl931x_vlan_tables_read(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v, w, x, y;
+       // Read VLAN table (3) via register 0
+       struct table_reg *r = rtl_table_get(RTL9310_TBL_0, 3);
+
+       rtl_table_read(r, vlan);
+       v = sw_r32(rtl_table_data(r, 0));
+       w = sw_r32(rtl_table_data(r, 1));
+       x = sw_r32(rtl_table_data(r, 2));
+       y = sw_r32(rtl_table_data(r, 3));
+       pr_debug("VLAN_READ %d: %08x %08x\n", vlan, v, w);
+       rtl_table_release(r);
+
+       info->tagged_ports = ((u64) v) << 25 | (w >> 7);
+       info->profile_id = (x >> 16) & 0xf;
+       info->hash_mc_fid = !!(x & BIT(30));
+       info->hash_uc_fid = !!(x & BIT(31));
+       info->fid = w & 0x7f;
+       // TODO: use also info in 4th register
+
+       // Read UNTAG table via table register 3
+       r = rtl_table_get(RTL9310_TBL_3, 0);
+       rtl_table_read(r, vlan);
+       v = ((u64)sw_r32(rtl_table_data(r, 0))) << 25;
+       v |= sw_r32(rtl_table_data(r, 1)) >> 7;
+       rtl_table_release(r);
+
+       info->untagged_ports = v;
+}
+
+static void rtl931x_vlan_set_tagged(u32 vlan, struct rtl838x_vlan_info *info)
+{
+       u32 v, w, x;
+       // Access VLAN table (1) via register 0
+       struct table_reg *r = rtl_table_get(RTL9310_TBL_0, 3);
+
+       v = info->tagged_ports << 7;
+       w = (info->tagged_ports & 0x7f000000) << 25;
+       w |= (u32)info->fid;
+       x = info->profile_id << 16;
+       w |= info->hash_mc_fid ? BIT(30) : 0;
+       w |= info->hash_uc_fid ? BIT(31) : 0;
+       // TODO: use also info in 4th register
+
+       sw_w32(v, rtl_table_data(r, 0));
+       sw_w32(w, rtl_table_data(r, 1));
+       sw_w32(x, rtl_table_data(r, 2));
+
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+static void rtl931x_vlan_set_untagged(u32 vlan, u64 portmask)
+{
+       struct table_reg *r = rtl_table_get(RTL9310_TBL_3, 0);
+
+       rtl839x_set_port_reg_be(portmask << 7, rtl_table_data(r, 0));
+       rtl_table_write(r, vlan);
+       rtl_table_release(r);
+}
+
+static inline int rtl931x_mac_force_mode_ctrl(int p)
+{
+       return RTL931X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+static inline int rtl931x_mac_link_spd_sts(int p)
+{
+       return RTL931X_MAC_LINK_SPD_STS(p);
+}
+
+static inline int rtl931x_mac_port_ctrl(int p)
+{
+       return RTL931X_MAC_PORT_CTRL(p);
+}
+
+static inline int rtl931x_l2_port_new_salrn(int p)
+{
+       return RTL931X_L2_PORT_NEW_SALRN(p);
+}
+
+static inline int rtl931x_l2_port_new_sa_fwd(int p)
+{
+       return RTL931X_L2_PORT_NEW_SA_FWD(p);
+}
+
+static u64 rtl931x_read_l2_entry_using_hash(u32 hash, u32 position, struct rtl838x_l2_entry *e)
+{
+       u64 entry = 0;
+
+       // TODO: Implement
+       return entry;
+}
+
+static u64 rtl931x_read_cam(int idx, struct rtl838x_l2_entry *e)
+{
+       u64 entry = 0;
+
+       // TODO: Implement
+       return entry;
+}
+
+irqreturn_t rtl931x_switch_irq(int irq, void *dev_id)
+{
+       struct dsa_switch *ds = dev_id;
+       u32 status = sw_r32(RTL931X_ISR_GLB_SRC);
+       u64 ports = rtl839x_get_port_reg_le(RTL931X_ISR_PORT_LINK_STS_CHG);
+       u64 link;
+       int i;
+
+       /* Clear status */
+       rtl839x_set_port_reg_le(ports, RTL931X_ISR_PORT_LINK_STS_CHG);
+       pr_info("RTL9310 Link change: status: %x, ports %llx\n", status, ports);
+
+       for (i = 0; i < 56; i++) {
+               if (ports & BIT_ULL(i)) {
+                       link = rtl839x_get_port_reg_le(RTL931X_MAC_LINK_STS);
+                       if (link & BIT_ULL(i))
+                               dsa_port_phylink_mac_change(ds, i, true);
+                       else
+                               dsa_port_phylink_mac_change(ds, i, false);
+               }
+       }
+       return IRQ_HANDLED;
+}
+
+int rtl931x_write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       u32 v;
+       int err = 0;
+
+       val &= 0xffff;
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+       /* Clear both port registers */
+       sw_w32(0, RTL931X_SMI_INDRT_ACCESS_CTRL_2);
+       sw_w32(0, RTL931X_SMI_INDRT_ACCESS_CTRL_2 + 4);
+       sw_w32_mask(0, BIT(port), RTL931X_SMI_INDRT_ACCESS_CTRL_2+ (port % 32) * 4);
+
+       sw_w32_mask(0xffff0000, val << 16, RTL931X_SMI_INDRT_ACCESS_CTRL_3);
+
+       v = reg << 6 | page << 11 ;
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       sw_w32(0x1ff, RTL931X_SMI_INDRT_ACCESS_CTRL_1);
+
+       v |= 1 << 3 | 1; /* Write operation and execute */
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       do {
+       } while (sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_0) & 0x1);
+
+       if (sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_0) & 0x2)
+               err = -EIO;
+
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+int rtl931x_read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{
+       u32 v;
+
+       if (port > 63 || page > 4095 || reg > 31)
+               return -ENOTSUPP;
+
+       mutex_lock(&smi_lock);
+
+       sw_w32_mask(0xffff, port, RTL931X_SMI_INDRT_ACCESS_CTRL_3);
+       v = reg << 6 | page << 11; // TODO: ACCESS Offset? Park page
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       sw_w32(0x1ff, RTL931X_SMI_INDRT_ACCESS_CTRL_1);
+
+       v |= 1;
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       do {
+       } while (sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_0) & 0x1);
+
+       *val = (sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_3) & 0xffff0000) >> 16;
+
+       pr_info("%s: port %d, page: %d, reg: %x, val: %x\n", __func__, port, page, reg, *val);
+
+       mutex_unlock(&smi_lock);
+       return 0;
+}
+
+/*
+ * Read an mmd register of the PHY
+ */
+int rtl931x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
+{
+       int err = 0;
+       u32 v;
+       int type = 1; // TODO: For C45 PHYs need to set to 2
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access via port-number
+       sw_w32(port << 5, RTL931X_SMI_INDRT_ACCESS_BC_PHYID_CTRL);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL931X_SMI_INDRT_ACCESS_MMD_CTRL);
+
+       v = type << 2 | BIT(0); // MMD-access-type | EXEC
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       do {
+               v = sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+       } while (v & BIT(0));
+
+       // There is no error-checking via BIT 1 of v, as it does not seem to be set correctly
+
+       *val = (sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_3) & 0xffff);
+
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, *val, err);
+
+       mutex_unlock(&smi_lock);
+
+       return err;
+}
+
+/*
+ * Write to an mmd register of the PHY
+ */
+int rtl931x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val)
+{
+       int err = 0;
+       u32 v;
+       int type = 1; // TODO: For C45 PHYs need to set to 2
+
+       mutex_lock(&smi_lock);
+
+       // Set PHY to access via port-number
+       sw_w32(port << 5, RTL931X_SMI_INDRT_ACCESS_BC_PHYID_CTRL);
+
+       // Set data to write
+       sw_w32_mask(0xffff << 16, val << 16, RTL931X_SMI_INDRT_ACCESS_CTRL_3);
+
+       // Set MMD device number and register to write to
+       sw_w32(devnum << 16 | (regnum & 0xffff), RTL931X_SMI_INDRT_ACCESS_MMD_CTRL);
+
+       v = BIT(4) | type << 2 | BIT(0); // WRITE | MMD-access-type | EXEC
+       sw_w32(v, RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+
+       do {
+               v = sw_r32(RTL931X_SMI_INDRT_ACCESS_CTRL_0);
+       } while (v & BIT(0));
+
+       pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__, port, regnum, val, err);
+       mutex_unlock(&smi_lock);
+       return err;
+}
+
+void rtl931x_print_matrix(void)
+{
+       volatile u64 *ptr = RTL838X_SW_BASE + RTL839X_PORT_ISO_CTRL(0);
+       int i;
+
+       for (i = 0; i < 52; i += 4)
+               pr_info("> %16llx %16llx %16llx %16llx\n",
+                       ptr[i + 0], ptr[i + 1], ptr[i + 2], ptr[i + 3]);
+       pr_info("CPU_PORT> %16llx\n", ptr[52]);
+}
+
+const struct rtl838x_reg rtl931x_reg = {
+       .mask_port_reg_be = rtl839x_mask_port_reg_be,
+       .set_port_reg_be = rtl839x_set_port_reg_be,
+       .get_port_reg_be = rtl839x_get_port_reg_be,
+       .mask_port_reg_le = rtl839x_mask_port_reg_le,
+       .set_port_reg_le = rtl839x_set_port_reg_le,
+       .get_port_reg_le = rtl839x_get_port_reg_le,
+       .stat_port_rst = RTL931X_STAT_PORT_RST,
+       .stat_rst = RTL931X_STAT_RST,
+       .stat_port_std_mib = 0,  // Not defined
+       .l2_ctrl_0 = RTL931X_L2_CTRL,
+       .l2_ctrl_1 = RTL931X_L2_AGE_CTRL,
+       .l2_port_aging_out = RTL931X_L2_PORT_AGE_CTRL,
+       // .smi_poll_ctrl does not exist
+       .l2_tbl_flush_ctrl = RTL931X_L2_TBL_FLUSH_CTRL,
+       .exec_tbl0_cmd = rtl931x_exec_tbl0_cmd,
+       .exec_tbl1_cmd = rtl931x_exec_tbl1_cmd,
+       .tbl_access_data_0 = rtl931x_tbl_access_data_0,
+       .isr_glb_src = RTL931X_ISR_GLB_SRC,
+       .isr_port_link_sts_chg = RTL931X_ISR_PORT_LINK_STS_CHG,
+       .imr_port_link_sts_chg = RTL931X_IMR_PORT_LINK_STS_CHG,
+       // imr_glb does not exist on RTL931X
+       .vlan_tables_read = rtl931x_vlan_tables_read,
+       .vlan_set_tagged = rtl931x_vlan_set_tagged,
+       .vlan_set_untagged = rtl931x_vlan_set_untagged,
+       .vlan_profile_dump = rtl931x_vlan_profile_dump,
+       .stp_get = rtl931x_stp_get,
+       .stp_set = rtl931x_stp_set,
+       .mac_force_mode_ctrl = rtl931x_mac_force_mode_ctrl,
+       .mac_port_ctrl = rtl931x_mac_port_ctrl,
+       .l2_port_new_salrn = rtl931x_l2_port_new_salrn,
+       .l2_port_new_sa_fwd = rtl931x_l2_port_new_sa_fwd,
+       .mir_ctrl = RTL931X_MIR_CTRL,
+       .mir_dpm = RTL931X_MIR_DPM_CTRL,
+       .mir_spm = RTL931X_MIR_SPM_CTRL,
+       .mac_link_sts = RTL931X_MAC_LINK_STS,
+       .mac_link_dup_sts = RTL931X_MAC_LINK_DUP_STS,
+       .mac_link_spd_sts = rtl931x_mac_link_spd_sts,
+       .mac_rx_pause_sts = RTL931X_MAC_RX_PAUSE_STS,
+       .mac_tx_pause_sts = RTL931X_MAC_TX_PAUSE_STS,
+       .read_l2_entry_using_hash = rtl931x_read_l2_entry_using_hash,
+       .read_cam = rtl931x_read_cam,
+       .vlan_port_egr_filter = RTL931X_VLAN_PORT_EGR_FLTR(0),
+       .vlan_port_igr_filter = RTL931X_VLAN_PORT_IGR_FLTR(0),
+//     .vlan_port_pb = does not exist
+       .vlan_port_tag_sts_ctrl = RTL931X_VLAN_PORT_TAG_CTRL,
+       .trk_mbr_ctr = rtl931x_trk_mbr_ctr,
+};
+
diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
new file mode 100644 (file)
index 0000000..3f98e3b
--- /dev/null
@@ -0,0 +1,2201 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/net/ethernet/rtl838x_eth.c
+ * Copyright (C) 2020 B. Koblitz
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/etherdevice.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/module.h>
+#include <linux/phylink.h>
+#include <linux/pkt_sched.h>
+#include <net/dsa.h>
+#include <net/switchdev.h>
+#include <asm/cacheflush.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl838x_eth.h"
+
+extern struct rtl83xx_soc_info soc_info;
+
+/*
+ * Maximum number of RX rings is 8 on RTL83XX and 32 on the 93XX
+ * The ring is assigned by switch based on packet/port priortity
+ * Maximum number of TX rings is 2, Ring 2 being the high priority
+ * ring on the RTL93xx SoCs. MAX_RING_SIZE * RING_BUFFER gives
+ * the memory used for the ring buffer.
+ */
+#define MAX_RXRINGS    32
+#define MAX_RXLEN      100
+#define MAX_ENTRIES    (200 * 8)
+#define TXRINGS                2
+// BUG: TXRINGLEN can be 160
+#define TXRINGLEN      16
+#define NOTIFY_EVENTS  10
+#define NOTIFY_BLOCKS  10
+#define TX_EN          0x8
+#define RX_EN          0x4
+#define TX_EN_93XX     0x20
+#define RX_EN_93XX     0x10
+#define TX_DO          0x2
+#define WRAP           0x2
+
+#define RING_BUFFER    1600
+
+#define RTL838X_STORM_CTRL_PORT_BC_EXCEED      (0x470C)
+#define RTL838X_STORM_CTRL_PORT_MC_EXCEED      (0x4710)
+#define RTL838X_STORM_CTRL_PORT_UC_EXCEED      (0x4714)
+#define RTL838X_ATK_PRVNT_STS                  (0x5B1C)
+
+struct p_hdr {
+       uint8_t         *buf;
+       uint16_t        reserved;
+       uint16_t        size;           /* buffer size */
+       uint16_t        offset;
+       uint16_t        len;            /* pkt len */
+       uint16_t        cpu_tag[10];
+} __packed __aligned(1);
+
+struct n_event {
+       uint32_t        type:2;
+       uint32_t        fidVid:12;
+       uint64_t        mac:48;
+       uint32_t        slp:6;
+       uint32_t        valid:1;
+       uint32_t        reserved:27;
+} __packed __aligned(1);
+
+struct ring_b {
+       uint32_t        rx_r[MAX_RXRINGS][MAX_RXLEN];
+       uint32_t        tx_r[TXRINGS][TXRINGLEN];
+       struct  p_hdr   rx_header[MAX_RXRINGS][MAX_RXLEN];
+       struct  p_hdr   tx_header[TXRINGS][TXRINGLEN];
+       uint32_t        c_rx[MAX_RXRINGS];
+       uint32_t        c_tx[TXRINGS];
+       uint8_t         tx_space[TXRINGS * TXRINGLEN * RING_BUFFER];
+       uint8_t         *rx_space;
+};
+
+struct notify_block {
+       struct n_event  events[NOTIFY_EVENTS];
+};
+
+struct notify_b {
+       struct notify_block     blocks[NOTIFY_BLOCKS];
+       u32                     reserved1[8];
+       u32                     ring[NOTIFY_BLOCKS];
+       u32                     reserved2[8];
+};
+
+void rtl838x_create_tx_header(struct p_hdr *h, int dest_port, int prio)
+{
+       prio &= 0x7;
+
+       if (dest_port > 0) {
+               // cpu_tag[0] is reserved on the RTL83XX SoCs
+               h->cpu_tag[1] = 0x0400;
+               h->cpu_tag[2] = 0x0200;
+               h->cpu_tag[3] = 0x0000;
+               h->cpu_tag[4] = BIT(dest_port) >> 16;
+               h->cpu_tag[5] = BIT(dest_port) & 0xffff;
+               // Set internal priority and AS_PRIO
+               if (prio >= 0)
+                       h->cpu_tag[2] |= (prio | 0x8) << 12;
+       }
+}
+
+void rtl839x_create_tx_header(struct p_hdr *h, int dest_port, int prio)
+{
+       prio &= 0x7;
+
+       if (dest_port > 0) {
+               // cpu_tag[0] is reserved on the RTL83XX SoCs
+               h->cpu_tag[1] = 0x0100;
+               h->cpu_tag[2] = h->cpu_tag[3] = h->cpu_tag[4] = h->cpu_tag[5] = 0;
+               if (dest_port >= 32) {
+                       dest_port -= 32;
+                       h->cpu_tag[2] = BIT(dest_port) >> 16;
+                       h->cpu_tag[3] = BIT(dest_port) & 0xffff;
+               } else {
+                       h->cpu_tag[4] = BIT(dest_port) >> 16;
+                       h->cpu_tag[5] = BIT(dest_port) & 0xffff;
+               }
+               h->cpu_tag[6] |= BIT(21); // Enable destination port mask use
+               // Set internal priority and AS_PRIO
+               if (prio >= 0)
+                       h->cpu_tag[1] |= prio | BIT(3);
+       }
+}
+
+void rtl930x_create_tx_header(struct p_hdr *h, int dest_port, int prio)
+{
+       h->cpu_tag[0] = 0x8000;
+       h->cpu_tag[1] = 0;  // TODO: Fill port and prio
+       h->cpu_tag[2] = 0;
+       h->cpu_tag[3] = 0;
+       h->cpu_tag[4] = 0;
+       h->cpu_tag[5] = 0;
+       h->cpu_tag[6] = 0;
+       h->cpu_tag[7] = 0xffff;
+}
+
+void rtl931x_create_tx_header(struct p_hdr *h, int dest_port, int prio)
+{
+       h->cpu_tag[0] = 0x8000;
+       h->cpu_tag[1] = 0;  // TODO: Fill port and prio
+       h->cpu_tag[2] = 0;
+       h->cpu_tag[3] = 0;
+       h->cpu_tag[4] = 0;
+       h->cpu_tag[5] = 0;
+       h->cpu_tag[6] = 0;
+       h->cpu_tag[7] = 0xffff;
+}
+
+struct rtl838x_rx_q {
+       int id;
+       struct rtl838x_eth_priv *priv;
+       struct napi_struct napi;
+};
+
+struct rtl838x_eth_priv {
+       struct net_device *netdev;
+       struct platform_device *pdev;
+       void            *membase;
+       spinlock_t      lock;
+       struct mii_bus  *mii_bus;
+       struct rtl838x_rx_q rx_qs[MAX_RXRINGS];
+       struct phylink *phylink;
+       struct phylink_config phylink_config;
+       u16 id;
+       u16 family_id;
+       const struct rtl838x_reg *r;
+       u8 cpu_port;
+       u32 lastEvent;
+       u16 rxrings;
+       u16 rxringlen;
+};
+
+extern int rtl838x_phy_init(struct rtl838x_eth_priv *priv);
+extern int rtl838x_read_sds_phy(int phy_addr, int phy_reg);
+extern int rtl839x_read_sds_phy(int phy_addr, int phy_reg);
+extern int rtl839x_write_sds_phy(int phy_addr, int phy_reg, u16 v);
+extern int rtl930x_read_sds_phy(int phy_addr, int page, int phy_reg);
+extern int rtl930x_write_sds_phy(int phy_addr, int page, int phy_reg, u16 v);
+extern int rtl930x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+extern int rtl930x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val);
+
+/*
+ * On the RTL93XX, the RTL93XX_DMA_IF_RX_RING_CNTR track the fill level of 
+ * the rings. Writing x into these registers substracts x from its content.
+ * When the content reaches the ring size, the ASIC no longer adds
+ * packets to this receive queue.
+ */
+void rtl838x_update_cntr(int r, int released)
+{
+       // This feature is not available on RTL838x SoCs
+}
+
+void rtl839x_update_cntr(int r, int released)
+{
+       // This feature is not available on RTL839x SoCs
+}
+
+void rtl930x_update_cntr(int r, int released)
+{
+       int pos = (r % 3) * 10;
+       u32 reg = RTL930X_DMA_IF_RX_RING_CNTR + ((r / 3) << 2);
+       u32 v = sw_r32(reg);
+
+       v = (v >> pos) & 0x3ff;
+       pr_debug("RX: Work done %d, old value: %d, pos %d, reg %04x\n", released, v, pos, reg);
+       sw_w32_mask(0x3ff << pos, released << pos, reg);
+       sw_w32(v, reg);
+}
+
+void rtl931x_update_cntr(int r, int released)
+{
+       int pos = (r % 3) * 10;
+       u32 reg = RTL931X_DMA_IF_RX_RING_CNTR + ((r / 3) << 2);
+
+       sw_w32_mask(0x3ff << pos, released << pos, reg);
+}
+
+struct dsa_tag {
+       u8      reason;
+       u8      queue;
+       u16     port;
+       u8      l2_offloaded;
+       u8      prio;
+       bool    crc_error;
+};
+
+bool rtl838x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
+{
+       t->reason = h->cpu_tag[3] & 0xf;
+       t->queue = (h->cpu_tag[0] & 0xe0) >> 5;
+       t->port = h->cpu_tag[1] & 0x1f;
+       t->crc_error = t->reason == 13;
+
+       pr_debug("Reason: %d\n", t->reason);
+       if (t->reason != 4) // NIC_RX_REASON_SPECIAL_TRAP
+               t->l2_offloaded = 1;
+       else
+               t->l2_offloaded = 0;
+
+       return t->l2_offloaded;
+}
+
+bool rtl839x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
+{
+       t->reason = h->cpu_tag[4] & 0x1f;
+       t->queue = (h->cpu_tag[3] & 0xe000) >> 13;
+       t->port = h->cpu_tag[1] & 0x3f;
+       t->crc_error = h->cpu_tag[3] & BIT(2);
+
+       pr_debug("Reason: %d\n", t->reason);
+       if ((t->reason != 7) && (t->reason != 8)) // NIC_RX_REASON_RMA_USR
+               t->l2_offloaded = 1;
+       else
+               t->l2_offloaded = 0;
+
+       return t->l2_offloaded;
+}
+
+bool rtl930x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
+{
+       t->reason = h->cpu_tag[7] & 0x3f;
+       t->queue =  (h->cpu_tag[2] >> 11) & 0x1f;
+       t->port = (h->cpu_tag[0] >> 8) & 0x1f;
+       t->crc_error = h->cpu_tag[1] & BIT(6);
+
+       pr_debug("Reason %d, port %d, queue %d\n", t->reason, t->port, t->queue);
+       if (t->reason >= 19 && t->reason <= 27)
+               t->l2_offloaded = 0;
+       else
+               t->l2_offloaded = 1;
+
+       return t->l2_offloaded;
+}
+
+bool rtl931x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
+{
+       t->reason = h->cpu_tag[7] & 0x3f;
+       t->queue =  (h->cpu_tag[2] >> 11) & 0x1f;
+       t->port = (h->cpu_tag[0] >> 8) & 0x3f;
+       t->crc_error = h->cpu_tag[1] & BIT(6);
+
+       pr_debug("Reason %d, port %d, queue %d\n", t->reason, t->port, t->queue);
+       if (t->reason >= 19 && t->reason <= 27)
+               t->l2_offloaded = 0;
+       else
+               t->l2_offloaded = 1;
+
+       return t->l2_offloaded;
+}
+
+/*
+ * Discard the RX ring-buffers, called as part of the net-ISR
+ * when the buffer runs over
+ * Caller needs to hold priv->lock
+ */
+static void rtl838x_rb_cleanup(struct rtl838x_eth_priv *priv, int status)
+{
+       int r;
+       u32     *last;
+       struct p_hdr *h;
+       struct ring_b *ring = priv->membase;
+
+       for (r = 0; r < priv->rxrings; r++) {
+               pr_debug("In %s working on r: %d\n", __func__, r);
+               last = (u32 *)KSEG1ADDR(sw_r32(priv->r->dma_if_rx_cur + r * 4));
+               do {
+                       if ((ring->rx_r[r][ring->c_rx[r]] & 0x1))
+                               break;
+                       pr_debug("Got something: %d\n", ring->c_rx[r]);
+                       h = &ring->rx_header[r][ring->c_rx[r]];
+                       memset(h, 0, sizeof(struct p_hdr));
+                       h->buf = (u8 *)KSEG1ADDR(ring->rx_space
+                                       + r * priv->rxringlen * RING_BUFFER
+                                       + ring->c_rx[r] * RING_BUFFER);
+                       h->size = RING_BUFFER;
+                       /* make sure the header is visible to the ASIC */
+                       mb();
+
+                       ring->rx_r[r][ring->c_rx[r]] = KSEG1ADDR(h) | 0x1
+                               | (ring->c_rx[r] == (priv->rxringlen - 1) ? WRAP : 0x1);
+                       ring->c_rx[r] = (ring->c_rx[r] + 1) % priv->rxringlen;
+               } while (&ring->rx_r[r][ring->c_rx[r]] != last);
+       }
+}
+
+struct fdb_update_work {
+       struct work_struct work;
+       struct net_device *ndev;
+       u64 macs[NOTIFY_EVENTS + 1];
+};
+
+void rtl838x_fdb_sync(struct work_struct *work)
+{
+       const struct fdb_update_work *uw =
+               container_of(work, struct fdb_update_work, work);
+       struct switchdev_notifier_fdb_info info;
+       u8 addr[ETH_ALEN];
+       int i = 0;
+       int action;
+
+       while (uw->macs[i]) {
+               action = (uw->macs[i] & (1ULL << 63)) ? SWITCHDEV_FDB_ADD_TO_BRIDGE
+                               : SWITCHDEV_FDB_DEL_TO_BRIDGE;
+               u64_to_ether_addr(uw->macs[i] & 0xffffffffffffULL, addr);
+               info.addr = &addr[0];
+               info.vid = 0;
+               info.offloaded = 1;
+               pr_debug("FDB entry %d: %llx, action %d\n", i, uw->macs[0], action);
+               call_switchdev_notifiers(action, uw->ndev, &info.info, NULL);
+               i++;
+       }
+       kfree(work);
+}
+
+static void rtl839x_l2_notification_handler(struct rtl838x_eth_priv *priv)
+{
+       struct notify_b *nb = priv->membase + sizeof(struct ring_b);
+       u32 e = priv->lastEvent;
+       struct n_event *event;
+       int i;
+       u64 mac;
+       struct fdb_update_work *w;
+
+       while (!(nb->ring[e] & 1)) {
+               w = kzalloc(sizeof(*w), GFP_ATOMIC);
+               if (!w) {
+                       pr_err("Out of memory: %s", __func__);
+                       return;
+               }
+               INIT_WORK(&w->work, rtl838x_fdb_sync);
+
+               for (i = 0; i < NOTIFY_EVENTS; i++) {
+                       event = &nb->blocks[e].events[i];
+                       if (!event->valid)
+                               continue;
+                       mac = event->mac;
+                       if (event->type)
+                               mac |= 1ULL << 63;
+                       w->ndev = priv->netdev;
+                       w->macs[i] = mac;
+               }
+
+               /* Hand the ring entry back to the switch */
+               nb->ring[e] = nb->ring[e] | 1;
+               e = (e + 1) % NOTIFY_BLOCKS;
+
+               w->macs[i] = 0ULL;
+               schedule_work(&w->work);
+       }
+       priv->lastEvent = e;
+}
+
+static irqreturn_t rtl83xx_net_irq(int irq, void *dev_id)
+{
+       struct net_device *dev = dev_id;
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       u32 status = sw_r32(priv->r->dma_if_intr_sts);
+       bool triggered = false;
+       u32 atk = sw_r32(RTL838X_ATK_PRVNT_STS);
+       int i;
+       u32 storm_uc = sw_r32(RTL838X_STORM_CTRL_PORT_UC_EXCEED);
+       u32 storm_mc = sw_r32(RTL838X_STORM_CTRL_PORT_MC_EXCEED);
+       u32 storm_bc = sw_r32(RTL838X_STORM_CTRL_PORT_BC_EXCEED);
+
+       pr_debug("IRQ: %08x\n", status);
+       if (storm_uc || storm_mc || storm_bc) {
+               pr_warn("Storm control UC: %08x, MC: %08x, BC: %08x\n",
+                       storm_uc, storm_mc, storm_bc);
+
+               sw_w32(storm_uc, RTL838X_STORM_CTRL_PORT_UC_EXCEED);
+               sw_w32(storm_mc, RTL838X_STORM_CTRL_PORT_MC_EXCEED);
+               sw_w32(storm_bc, RTL838X_STORM_CTRL_PORT_BC_EXCEED);
+
+               triggered = true;
+       }
+
+       if (atk) {
+               pr_debug("Attack prevention triggered: %08x\n", atk);
+               sw_w32(atk, RTL838X_ATK_PRVNT_STS);
+       }
+
+       spin_lock(&priv->lock);
+       /*  Ignore TX interrupt */
+       if ((status & 0xf0000)) {
+               /* Clear ISR */
+               sw_w32(0x000f0000, priv->r->dma_if_intr_sts);
+       }
+
+       /* RX interrupt */
+       if (status & 0x0ff00) {
+               /* ACK and disable RX interrupt for this ring */
+               sw_w32_mask(0xff00 & status, 0, priv->r->dma_if_intr_msk);
+               sw_w32(0x0000ff00 & status, priv->r->dma_if_intr_sts);
+               for (i = 0; i < priv->rxrings; i++) {
+                       if (status & BIT(i + 8)) {
+                               pr_debug("Scheduling queue: %d\n", i);
+                               napi_schedule(&priv->rx_qs[i].napi);
+                       }
+               }
+       }
+
+       /* RX buffer overrun */
+       if (status & 0x000ff) {
+               pr_info("RX buffer overrun: status %x, mask: %x\n",
+                        status, sw_r32(priv->r->dma_if_intr_msk));
+               sw_w32(status, priv->r->dma_if_intr_sts);
+               rtl838x_rb_cleanup(priv, status & 0xff);
+       }
+
+       if (priv->family_id == RTL8390_FAMILY_ID && status & 0x00100000) {
+               sw_w32(0x00100000, priv->r->dma_if_intr_sts);
+               rtl839x_l2_notification_handler(priv);
+       }
+
+       if (priv->family_id == RTL8390_FAMILY_ID && status & 0x00200000) {
+               sw_w32(0x00200000, priv->r->dma_if_intr_sts);
+               rtl839x_l2_notification_handler(priv);
+       }
+
+       if (priv->family_id == RTL8390_FAMILY_ID && status & 0x00400000) {
+               sw_w32(0x00400000, priv->r->dma_if_intr_sts);
+               rtl839x_l2_notification_handler(priv);
+       }
+
+       spin_unlock(&priv->lock);
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t rtl93xx_net_irq(int irq, void *dev_id)
+{
+       struct net_device *dev = dev_id;
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       u32 status_rx_r = sw_r32(priv->r->dma_if_intr_rx_runout_sts);
+       u32 status_rx = sw_r32(priv->r->dma_if_intr_rx_done_sts);
+       u32 status_tx = sw_r32(priv->r->dma_if_intr_tx_done_sts);
+       int i;
+
+       pr_debug("In %s, status_tx: %08x, status_rx: %08x, status_rx_r: %08x\n",
+               __func__, status_tx, status_rx, status_rx_r);
+       spin_lock(&priv->lock);
+
+       /*  Ignore TX interrupt */
+       if (status_tx) {
+               /* Clear ISR */
+               pr_debug("TX done\n");
+               sw_w32(status_tx, priv->r->dma_if_intr_tx_done_sts);
+       }
+
+       /* RX interrupt */
+       if (status_rx) {
+               pr_debug("RX IRQ\n");
+               /* ACK and disable RX interrupt for given rings */
+               sw_w32(status_rx, priv->r->dma_if_intr_rx_done_sts);
+               sw_w32_mask(status_rx, 0, priv->r->dma_if_intr_rx_done_msk);
+               for (i = 0; i < priv->rxrings; i++) {
+                       if (status_rx & BIT(i)) {
+                               pr_debug("Scheduling queue: %d\n", i);
+                               napi_schedule(&priv->rx_qs[i].napi);
+                       }
+               }
+       }
+
+       /* RX buffer overrun */
+       if (status_rx_r) {
+               pr_debug("RX buffer overrun: status %x, mask: %x\n",
+                        status_rx_r, sw_r32(priv->r->dma_if_intr_rx_runout_msk));
+               sw_w32(status_rx_r, priv->r->dma_if_intr_rx_runout_sts);
+               rtl838x_rb_cleanup(priv, status_rx_r);
+       }
+
+       spin_unlock(&priv->lock);
+       return IRQ_HANDLED;
+}
+
+static const struct rtl838x_reg rtl838x_reg = {
+       .net_irq = rtl83xx_net_irq,
+       .mac_port_ctrl = rtl838x_mac_port_ctrl,
+       .dma_if_intr_sts = RTL838X_DMA_IF_INTR_STS,
+       .dma_if_intr_msk = RTL838X_DMA_IF_INTR_MSK,
+       .dma_if_ctrl = RTL838X_DMA_IF_CTRL,
+       .mac_force_mode_ctrl = RTL838X_MAC_FORCE_MODE_CTRL,
+       .dma_rx_base = RTL838X_DMA_RX_BASE,
+       .dma_tx_base = RTL838X_DMA_TX_BASE,
+       .dma_if_rx_ring_size = rtl838x_dma_if_rx_ring_size,
+       .dma_if_rx_ring_cntr = rtl838x_dma_if_rx_ring_cntr,
+       .dma_if_rx_cur = RTL838X_DMA_IF_RX_CUR,
+       .rst_glb_ctrl = RTL838X_RST_GLB_CTRL_0,
+       .get_mac_link_sts = rtl838x_get_mac_link_sts,
+       .get_mac_link_dup_sts = rtl838x_get_mac_link_dup_sts,
+       .get_mac_link_spd_sts = rtl838x_get_mac_link_spd_sts,
+       .get_mac_rx_pause_sts = rtl838x_get_mac_rx_pause_sts,
+       .get_mac_tx_pause_sts = rtl838x_get_mac_tx_pause_sts,
+       .mac = RTL838X_MAC,
+       .l2_tbl_flush_ctrl = RTL838X_L2_TBL_FLUSH_CTRL,
+       .update_cntr = rtl838x_update_cntr,
+       .create_tx_header = rtl838x_create_tx_header,
+       .decode_tag = rtl838x_decode_tag,
+};
+
+static const struct rtl838x_reg rtl839x_reg = {
+       .net_irq = rtl83xx_net_irq,
+       .mac_port_ctrl = rtl839x_mac_port_ctrl,
+       .dma_if_intr_sts = RTL839X_DMA_IF_INTR_STS,
+       .dma_if_intr_msk = RTL839X_DMA_IF_INTR_MSK,
+       .dma_if_ctrl = RTL839X_DMA_IF_CTRL,
+       .mac_force_mode_ctrl = RTL839X_MAC_FORCE_MODE_CTRL,
+       .dma_rx_base = RTL839X_DMA_RX_BASE,
+       .dma_tx_base = RTL839X_DMA_TX_BASE,
+       .dma_if_rx_ring_size = rtl839x_dma_if_rx_ring_size,
+       .dma_if_rx_ring_cntr = rtl839x_dma_if_rx_ring_cntr,
+       .dma_if_rx_cur = RTL839X_DMA_IF_RX_CUR,
+       .rst_glb_ctrl = RTL839X_RST_GLB_CTRL,
+       .get_mac_link_sts = rtl839x_get_mac_link_sts,
+       .get_mac_link_dup_sts = rtl839x_get_mac_link_dup_sts,
+       .get_mac_link_spd_sts = rtl839x_get_mac_link_spd_sts,
+       .get_mac_rx_pause_sts = rtl839x_get_mac_rx_pause_sts,
+       .get_mac_tx_pause_sts = rtl839x_get_mac_tx_pause_sts,
+       .mac = RTL839X_MAC,
+       .l2_tbl_flush_ctrl = RTL839X_L2_TBL_FLUSH_CTRL,
+       .update_cntr = rtl839x_update_cntr,
+       .create_tx_header = rtl839x_create_tx_header,
+       .decode_tag = rtl839x_decode_tag,
+};
+
+static const struct rtl838x_reg rtl930x_reg = {
+       .net_irq = rtl93xx_net_irq,
+       .mac_port_ctrl = rtl930x_mac_port_ctrl,
+       .dma_if_intr_rx_runout_sts = RTL930X_DMA_IF_INTR_RX_RUNOUT_STS,
+       .dma_if_intr_rx_done_sts = RTL930X_DMA_IF_INTR_RX_DONE_STS,
+       .dma_if_intr_tx_done_sts = RTL930X_DMA_IF_INTR_TX_DONE_STS,
+       .dma_if_intr_rx_runout_msk = RTL930X_DMA_IF_INTR_RX_RUNOUT_MSK,
+       .dma_if_intr_rx_done_msk = RTL930X_DMA_IF_INTR_RX_DONE_MSK,
+       .dma_if_intr_tx_done_msk = RTL930X_DMA_IF_INTR_TX_DONE_MSK,
+       .l2_ntfy_if_intr_sts = RTL930X_L2_NTFY_IF_INTR_STS,
+       .l2_ntfy_if_intr_msk = RTL930X_L2_NTFY_IF_INTR_MSK,
+       .dma_if_ctrl = RTL930X_DMA_IF_CTRL,
+       .mac_force_mode_ctrl = RTL930X_MAC_FORCE_MODE_CTRL,
+       .dma_rx_base = RTL930X_DMA_RX_BASE,
+       .dma_tx_base = RTL930X_DMA_TX_BASE,
+       .dma_if_rx_ring_size = rtl930x_dma_if_rx_ring_size,
+       .dma_if_rx_ring_cntr = rtl930x_dma_if_rx_ring_cntr,
+       .dma_if_rx_cur = RTL930X_DMA_IF_RX_CUR,
+       .rst_glb_ctrl = RTL930X_RST_GLB_CTRL_0,
+       .get_mac_link_sts = rtl930x_get_mac_link_sts,
+       .get_mac_link_dup_sts = rtl930x_get_mac_link_dup_sts,
+       .get_mac_link_spd_sts = rtl930x_get_mac_link_spd_sts,
+       .get_mac_rx_pause_sts = rtl930x_get_mac_rx_pause_sts,
+       .get_mac_tx_pause_sts = rtl930x_get_mac_tx_pause_sts,
+       .mac = RTL930X_MAC_L2_ADDR_CTRL,
+       .l2_tbl_flush_ctrl = RTL930X_L2_TBL_FLUSH_CTRL,
+       .update_cntr = rtl930x_update_cntr,
+       .create_tx_header = rtl930x_create_tx_header,
+       .decode_tag = rtl930x_decode_tag,
+};
+
+static const struct rtl838x_reg rtl931x_reg = {
+       .net_irq = rtl93xx_net_irq,
+       .mac_port_ctrl = rtl931x_mac_port_ctrl,
+       .dma_if_intr_rx_runout_sts = RTL931X_DMA_IF_INTR_RX_RUNOUT_STS,
+       .dma_if_intr_rx_done_sts = RTL931X_DMA_IF_INTR_RX_DONE_STS,
+       .dma_if_intr_tx_done_sts = RTL931X_DMA_IF_INTR_TX_DONE_STS,
+       .dma_if_intr_rx_runout_msk = RTL931X_DMA_IF_INTR_RX_RUNOUT_MSK,
+       .dma_if_intr_rx_done_msk = RTL931X_DMA_IF_INTR_RX_DONE_MSK,
+       .dma_if_intr_tx_done_msk = RTL931X_DMA_IF_INTR_TX_DONE_MSK,
+       .l2_ntfy_if_intr_sts = RTL931X_L2_NTFY_IF_INTR_STS,
+       .l2_ntfy_if_intr_msk = RTL931X_L2_NTFY_IF_INTR_MSK,
+       .dma_if_ctrl = RTL931X_DMA_IF_CTRL,
+       .mac_force_mode_ctrl = RTL931X_MAC_FORCE_MODE_CTRL,
+       .dma_rx_base = RTL931X_DMA_RX_BASE,
+       .dma_tx_base = RTL931X_DMA_TX_BASE,
+       .dma_if_rx_ring_size = rtl931x_dma_if_rx_ring_size,
+       .dma_if_rx_ring_cntr = rtl931x_dma_if_rx_ring_cntr,
+       .dma_if_rx_cur = RTL931X_DMA_IF_RX_CUR,
+       .rst_glb_ctrl = RTL931X_RST_GLB_CTRL,
+       .get_mac_link_sts = rtl931x_get_mac_link_sts,
+       .get_mac_link_dup_sts = rtl931x_get_mac_link_dup_sts,
+       .get_mac_link_spd_sts = rtl931x_get_mac_link_spd_sts,
+       .get_mac_rx_pause_sts = rtl931x_get_mac_rx_pause_sts,
+       .get_mac_tx_pause_sts = rtl931x_get_mac_tx_pause_sts,
+       .mac = RTL931X_MAC_L2_ADDR_CTRL,
+       .l2_tbl_flush_ctrl = RTL931X_L2_TBL_FLUSH_CTRL,
+       .update_cntr = rtl931x_update_cntr,
+       .create_tx_header = rtl931x_create_tx_header,
+       .decode_tag = rtl931x_decode_tag,
+};
+
+static void rtl838x_hw_reset(struct rtl838x_eth_priv *priv)
+{
+       u32 int_saved, nbuf;
+       int i, pos;
+       
+       pr_info("RESETTING %x, CPU_PORT %d\n", priv->family_id, priv->cpu_port);
+       sw_w32_mask(0x3, 0, priv->r->mac_port_ctrl(priv->cpu_port));
+       mdelay(100);
+
+       /* Disable and clear interrupts */
+       if (priv->family_id == RTL9300_FAMILY_ID || priv->family_id == RTL9310_FAMILY_ID) {
+               sw_w32(0x00000000, priv->r->dma_if_intr_rx_runout_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_rx_runout_sts);
+               sw_w32(0x00000000, priv->r->dma_if_intr_rx_done_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_rx_done_sts);
+               sw_w32(0x00000000, priv->r->dma_if_intr_tx_done_msk);
+               sw_w32(0x0000000f, priv->r->dma_if_intr_tx_done_sts);
+       } else {
+               sw_w32(0x00000000, priv->r->dma_if_intr_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_sts);
+       }
+
+       if (priv->family_id == RTL8390_FAMILY_ID) {
+               /* Preserve L2 notification and NBUF settings */
+               int_saved = sw_r32(priv->r->dma_if_intr_msk);
+               nbuf = sw_r32(RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL);
+
+               /* Disable link change interrupt on RTL839x */
+               sw_w32(0, RTL839X_IMR_PORT_LINK_STS_CHG);
+               sw_w32(0, RTL839X_IMR_PORT_LINK_STS_CHG + 4);
+
+               sw_w32(0x00000000, priv->r->dma_if_intr_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_sts);
+       }
+
+       /* Reset NIC  */
+       if (priv->family_id == RTL9300_FAMILY_ID || priv->family_id == RTL9310_FAMILY_ID)
+               sw_w32(0x4, priv->r->rst_glb_ctrl);
+       else
+               sw_w32(0x8, priv->r->rst_glb_ctrl);
+
+       do { /* Wait for reset of NIC and Queues done */
+               udelay(20);
+       } while (sw_r32(priv->r->rst_glb_ctrl) & 0xc);
+       mdelay(100);
+
+       /* Setup Head of Line */
+       if (priv->family_id == RTL8380_FAMILY_ID)
+               sw_w32(0, RTL838X_DMA_IF_RX_RING_SIZE);  // Disabled on RTL8380
+       if (priv->family_id == RTL8390_FAMILY_ID)
+               sw_w32(0xffffffff, RTL839X_DMA_IF_RX_RING_CNTR);
+       if (priv->family_id == RTL9300_FAMILY_ID) {
+               for (i = 0; i < priv->rxrings; i++) {
+                       pos = (i % 3) * 10;
+                       sw_w32_mask(0x3ff << pos, 0, priv->r->dma_if_rx_ring_size(i));
+                       sw_w32_mask(0x3ff << pos, priv->rxringlen,
+                                   priv->r->dma_if_rx_ring_cntr(i));
+               }
+       }
+
+       /* Re-enable link change interrupt */
+       if (priv->family_id == RTL8390_FAMILY_ID) {
+               sw_w32(0xffffffff, RTL839X_ISR_PORT_LINK_STS_CHG);
+               sw_w32(0xffffffff, RTL839X_ISR_PORT_LINK_STS_CHG + 4);
+               sw_w32(0xffffffff, RTL839X_IMR_PORT_LINK_STS_CHG);
+               sw_w32(0xffffffff, RTL839X_IMR_PORT_LINK_STS_CHG + 4);
+
+               /* Restore notification settings: on RTL838x these bits are null */
+               sw_w32_mask(7 << 20, int_saved & (7 << 20), priv->r->dma_if_intr_msk);
+               sw_w32(nbuf, RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL);
+       }
+}
+
+static void rtl838x_hw_ring_setup(struct rtl838x_eth_priv *priv)
+{
+       int i;
+       struct ring_b *ring = priv->membase;
+
+       for (i = 0; i < priv->rxrings; i++)
+               sw_w32(KSEG1ADDR(&ring->rx_r[i]), priv->r->dma_rx_base + i * 4);
+
+       for (i = 0; i < TXRINGS; i++)
+               sw_w32(KSEG1ADDR(&ring->tx_r[i]), priv->r->dma_tx_base + i * 4);
+}
+
+static void rtl838x_hw_en_rxtx(struct rtl838x_eth_priv *priv)
+{
+       /* Disable Head of Line features for all RX rings */
+       sw_w32(0xffffffff, priv->r->dma_if_rx_ring_size(0));
+
+       /* Truncate RX buffer to 0x640 (1600) bytes, pad TX */
+       sw_w32(0x06400020, priv->r->dma_if_ctrl);
+
+       /* Enable RX done, RX overflow and TX done interrupts */
+       sw_w32(0xfffff, priv->r->dma_if_intr_msk);
+
+       /* Enable DMA, engine expects empty FCS field */
+       sw_w32_mask(0, RX_EN | TX_EN, priv->r->dma_if_ctrl);
+
+       /* Restart TX/RX to CPU port */
+       sw_w32_mask(0x0, 0x3, priv->r->mac_port_ctrl(priv->cpu_port));
+       /* Set Speed, duplex, flow control
+        * FORCE_EN | LINK_EN | NWAY_EN | DUP_SEL
+        * | SPD_SEL = 0b10 | FORCE_FC_EN | PHY_MASTER_SLV_MANUAL_EN
+        * | MEDIA_SEL
+        */
+       sw_w32(0x6192F, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+
+       /* Enable CRC checks on CPU-port */
+       sw_w32_mask(0, BIT(3), priv->r->mac_port_ctrl(priv->cpu_port));
+}
+
+static void rtl839x_hw_en_rxtx(struct rtl838x_eth_priv *priv)
+{
+       /* Setup CPU-Port: RX Buffer */
+       sw_w32(0x0000c808, priv->r->dma_if_ctrl);
+
+       /* Enable Notify, RX done, RX overflow and TX done interrupts */
+       sw_w32(0x007fffff, priv->r->dma_if_intr_msk); // Notify IRQ!
+
+       /* Enable DMA */
+       sw_w32_mask(0, RX_EN | TX_EN, priv->r->dma_if_ctrl);
+
+       /* Restart TX/RX to CPU port, enable CRC checking */
+       sw_w32_mask(0x0, 0x3 | BIT(3), priv->r->mac_port_ctrl(priv->cpu_port));
+
+       /* CPU port joins Lookup Miss Flooding Portmask */
+       // TODO: The code below should also work for the RTL838x
+       sw_w32(0x28000, RTL839X_TBL_ACCESS_L2_CTRL);
+       sw_w32_mask(0, 0x80000000, RTL839X_TBL_ACCESS_L2_DATA(0));
+       sw_w32(0x38000, RTL839X_TBL_ACCESS_L2_CTRL);
+
+       /* Force CPU port link up */
+       sw_w32_mask(0, 3, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+}
+
+static void rtl93xx_hw_en_rxtx(struct rtl838x_eth_priv *priv)
+{
+       int i, pos;
+       u32 v;
+
+       /* Setup CPU-Port: RX Buffer truncated at 1600 Bytes */
+       sw_w32(0x06400040, priv->r->dma_if_ctrl);
+
+       for (i = 0; i < priv->rxrings; i++) {
+               pos = (i % 3) * 10;
+               sw_w32_mask(0x3ff << pos, priv->rxringlen << pos, priv->r->dma_if_rx_ring_size(i));
+
+               // Some SoCs have issues with missing underflow protection
+               v = (sw_r32(priv->r->dma_if_rx_ring_cntr(i)) >> pos) & 0x3ff;
+               sw_w32_mask(0x3ff << pos, v, priv->r->dma_if_rx_ring_cntr(i));
+       }
+
+       /* Enable Notify, RX done, RX overflow and TX done interrupts */
+       sw_w32(0xffffffff, priv->r->dma_if_intr_rx_runout_msk);
+       sw_w32(0xffffffff, priv->r->dma_if_intr_rx_done_msk);
+       sw_w32(0x0000000f, priv->r->dma_if_intr_tx_done_msk);
+
+       /* Enable DMA */
+       sw_w32_mask(0, RX_EN_93XX | TX_EN_93XX, priv->r->dma_if_ctrl);
+
+       /* Restart TX/RX to CPU port, enable CRC checking */
+       sw_w32_mask(0x0, 0x3 | BIT(4), priv->r->mac_port_ctrl(priv->cpu_port));
+
+       sw_w32_mask(0, BIT(priv->cpu_port), RTL930X_L2_UNKN_UC_FLD_PMSK);
+       sw_w32(0x217, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+}
+
+static void rtl838x_setup_ring_buffer(struct rtl838x_eth_priv *priv, struct ring_b *ring)
+{
+       int i, j;
+
+       struct p_hdr *h;
+
+       for (i = 0; i < priv->rxrings; i++) {
+               for (j = 0; j < priv->rxringlen; j++) {
+                       h = &ring->rx_header[i][j];
+                       memset(h, 0, sizeof(struct p_hdr));
+                       h->buf = (u8 *)KSEG1ADDR(ring->rx_space
+                                       + i * priv->rxringlen * RING_BUFFER
+                                       + j * RING_BUFFER);
+                       h->size = RING_BUFFER;
+                       /* All rings owned by switch, last one wraps */
+                       ring->rx_r[i][j] = KSEG1ADDR(h) | 1 
+                                          | (j == (priv->rxringlen - 1) ? WRAP : 0);
+               }
+               ring->c_rx[i] = 0;
+       }
+
+       for (i = 0; i < TXRINGS; i++) {
+               for (j = 0; j < TXRINGLEN; j++) {
+                       h = &ring->tx_header[i][j];
+                       memset(h, 0, sizeof(struct p_hdr));
+                       h->buf = (u8 *)KSEG1ADDR(ring->tx_space
+                                       + i * TXRINGLEN * RING_BUFFER
+                                       + j * RING_BUFFER);
+                       h->size = RING_BUFFER;
+                       ring->tx_r[i][j] = KSEG1ADDR(&ring->tx_header[i][j]);
+               }
+               /* Last header is wrapping around */
+               ring->tx_r[i][j-1] |= WRAP;
+               ring->c_tx[i] = 0;
+       }
+}
+
+static void rtl839x_setup_notify_ring_buffer(struct rtl838x_eth_priv *priv)
+{
+       int i;
+       struct notify_b *b = priv->membase + sizeof(struct ring_b);
+
+       for (i = 0; i < NOTIFY_BLOCKS; i++)
+               b->ring[i] = KSEG1ADDR(&b->blocks[i]) | 1 | (i == (NOTIFY_BLOCKS - 1) ? WRAP : 0);
+
+       sw_w32((u32) b->ring, RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL);
+       sw_w32_mask(0x3ff << 2, 100 << 2, RTL839X_L2_NOTIFICATION_CTRL);
+
+       /* Setup notification events */
+       sw_w32_mask(0, 1 << 14, RTL839X_L2_CTRL_0); // RTL8390_L2_CTRL_0_FLUSH_NOTIFY_EN
+       sw_w32_mask(0, 1 << 12, RTL839X_L2_NOTIFICATION_CTRL); // SUSPEND_NOTIFICATION_EN
+
+       /* Enable Notification */
+       sw_w32_mask(0, 1 << 0, RTL839X_L2_NOTIFICATION_CTRL);
+       priv->lastEvent = 0;
+}
+
+static int rtl838x_eth_open(struct net_device *ndev)
+{
+       unsigned long flags;
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+       struct ring_b *ring = priv->membase;
+       int i, err;
+
+       pr_debug("%s called: RX rings %d(length %d), TX rings %d(length %d)\n",
+               __func__, priv->rxrings, priv->rxringlen, TXRINGS, TXRINGLEN);
+
+       spin_lock_irqsave(&priv->lock, flags);
+       rtl838x_hw_reset(priv);
+       rtl838x_setup_ring_buffer(priv, ring);
+       if (priv->family_id == RTL8390_FAMILY_ID) {
+               rtl839x_setup_notify_ring_buffer(priv);
+               /* Make sure the ring structure is visible to the ASIC */
+               mb();
+               flush_cache_all();
+       }
+
+       rtl838x_hw_ring_setup(priv);
+       err = request_irq(ndev->irq, priv->r->net_irq, IRQF_SHARED, ndev->name, ndev);
+       if (err) {
+               netdev_err(ndev, "%s: could not acquire interrupt: %d\n",
+                          __func__, err);
+               return err;
+       }
+       phylink_start(priv->phylink);
+
+       for (i = 0; i < priv->rxrings; i++)
+               napi_enable(&priv->rx_qs[i].napi);
+
+       switch (priv->family_id) {
+       case RTL8380_FAMILY_ID:
+               rtl838x_hw_en_rxtx(priv);
+               /* Trap IGMP/MLD traffic to CPU-Port */
+               sw_w32(0x3, RTL838X_SPCL_TRAP_IGMP_CTRL);
+               /* Flush learned FDB entries on link down of a port */
+               sw_w32_mask(0, BIT(7), RTL838X_L2_CTRL_0);
+               break;
+
+       case RTL8390_FAMILY_ID:
+               rtl839x_hw_en_rxtx(priv);
+               // Trap MLD and IGMP messages to CPU_PORT
+               sw_w32(0x3, RTL839X_SPCL_TRAP_IGMP_CTRL);
+               /* Flush learned FDB entries on link down of a port */
+               sw_w32_mask(0, BIT(7), RTL839X_L2_CTRL_0);
+               break;
+
+       case RTL9300_FAMILY_ID:
+               rtl93xx_hw_en_rxtx(priv);
+               /* Flush learned FDB entries on link down of a port */
+               sw_w32_mask(0, BIT(7), RTL930X_L2_CTRL);
+               // Trap MLD and IGMP messages to CPU_PORT
+               sw_w32((0x2 << 3) | 0x2,  RTL930X_VLAN_APP_PKT_CTRL);
+               break;
+
+       case RTL9310_FAMILY_ID:
+               rtl93xx_hw_en_rxtx(priv);
+               break;
+       }
+
+       netif_tx_start_all_queues(ndev);
+
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
+
+static void rtl838x_hw_stop(struct rtl838x_eth_priv *priv)
+{
+       u32 force_mac = priv->family_id == RTL8380_FAMILY_ID ? 0x6192C : 0x75;
+       u32 clear_irq = priv->family_id == RTL8380_FAMILY_ID ? 0x000fffff : 0x007fffff;
+       int i;
+
+       // Disable RX/TX from/to CPU-port
+       sw_w32_mask(0x3, 0, priv->r->mac_port_ctrl(priv->cpu_port));
+
+       /* Disable traffic */
+       if (priv->family_id == RTL9300_FAMILY_ID || priv->family_id == RTL9310_FAMILY_ID)
+               sw_w32_mask(RX_EN_93XX | TX_EN_93XX, 0, priv->r->dma_if_ctrl);
+       else
+               sw_w32_mask(RX_EN | TX_EN, 0, priv->r->dma_if_ctrl);
+       mdelay(200); // Test, whether this is needed
+
+       /* Block all ports */
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               sw_w32(0x03000000, RTL838X_TBL_ACCESS_DATA_0(0));
+               sw_w32(0x00000000, RTL838X_TBL_ACCESS_DATA_0(1));
+               sw_w32(1 << 15 | 2 << 12, RTL838X_TBL_ACCESS_CTRL_0);
+       }
+
+       /* Flush L2 address cache */
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               for (i = 0; i <= priv->cpu_port; i++) {
+                       sw_w32(1 << 26 | 1 << 23 | i << 5, priv->r->l2_tbl_flush_ctrl);
+                       do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & (1 << 26));
+               }
+       } else if (priv->family_id == RTL8390_FAMILY_ID) {
+               for (i = 0; i <= priv->cpu_port; i++) {
+                       sw_w32(1 << 28 | 1 << 25 | i << 5, priv->r->l2_tbl_flush_ctrl);
+                       do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & (1 << 28));
+               }
+       }
+       // TODO: L2 flush register is 64 bit on RTL931X and 930X
+
+       /* CPU-Port: Link down */
+       if (priv->family_id == RTL8380_FAMILY_ID || priv->family_id == RTL8390_FAMILY_ID)
+               sw_w32(force_mac, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+       else
+               sw_w32_mask(0x3, 0, priv->r->mac_force_mode_ctrl + priv->cpu_port *4);
+       mdelay(100);
+
+       /* Disable all TX/RX interrupts */
+       if (priv->family_id == RTL9300_FAMILY_ID || priv->family_id == RTL9310_FAMILY_ID) {
+               sw_w32(0x00000000, priv->r->dma_if_intr_rx_runout_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_rx_runout_sts);
+               sw_w32(0x00000000, priv->r->dma_if_intr_rx_done_msk);
+               sw_w32(0xffffffff, priv->r->dma_if_intr_rx_done_sts);
+               sw_w32(0x00000000, priv->r->dma_if_intr_tx_done_msk);
+               sw_w32(0x0000000f, priv->r->dma_if_intr_tx_done_sts);
+       } else {
+               sw_w32(0x00000000, priv->r->dma_if_intr_msk);
+               sw_w32(clear_irq, priv->r->dma_if_intr_sts);
+       }
+
+       /* Disable TX/RX DMA */
+       sw_w32(0x00000000, priv->r->dma_if_ctrl);
+       mdelay(200);
+}
+
+static int rtl838x_eth_stop(struct net_device *ndev)
+{
+       unsigned long flags;
+       int i;
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+
+       pr_info("in %s\n", __func__);
+
+       spin_lock_irqsave(&priv->lock, flags);
+       phylink_stop(priv->phylink);
+       rtl838x_hw_stop(priv);
+       free_irq(ndev->irq, ndev);
+
+       for (i = 0; i < priv->rxrings; i++)
+               napi_disable(&priv->rx_qs[i].napi);
+
+       netif_tx_stop_all_queues(ndev);
+
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
+
+static void rtl839x_eth_set_multicast_list(struct net_device *ndev)
+{
+       if (!(ndev->flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+               sw_w32(0x0, RTL839X_RMA_CTRL_0);
+               sw_w32(0x0, RTL839X_RMA_CTRL_1);
+               sw_w32(0x0, RTL839X_RMA_CTRL_2);
+               sw_w32(0x0, RTL839X_RMA_CTRL_3);
+       }
+       if (ndev->flags & IFF_ALLMULTI) {
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_2);
+       }
+       if (ndev->flags & IFF_PROMISC) {
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL839X_RMA_CTRL_2);
+               sw_w32(0x3ff, RTL839X_RMA_CTRL_3);
+       }
+}
+
+static void rtl838x_eth_set_multicast_list(struct net_device *ndev)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+
+       if (priv->family_id == RTL8390_FAMILY_ID)
+               return rtl839x_eth_set_multicast_list(ndev);
+
+       if (!(ndev->flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+               sw_w32(0x0, RTL838X_RMA_CTRL_0);
+               sw_w32(0x0, RTL838X_RMA_CTRL_1);
+       }
+       if (ndev->flags & IFF_ALLMULTI)
+               sw_w32(0x1fffff, RTL838X_RMA_CTRL_0);
+       if (ndev->flags & IFF_PROMISC) {
+               sw_w32(0x1fffff, RTL838X_RMA_CTRL_0);
+               sw_w32(0x7fff, RTL838X_RMA_CTRL_1);
+       }
+}
+
+static void rtl930x_eth_set_multicast_list(struct net_device *ndev)
+{
+       if (!(ndev->flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+               sw_w32(0x0, RTL930X_RMA_CTRL_0);
+               sw_w32(0x0, RTL930X_RMA_CTRL_1);
+               sw_w32(0x0, RTL930X_RMA_CTRL_2);
+       }
+       if (ndev->flags & IFF_ALLMULTI) {
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_2);
+       }
+       if (ndev->flags & IFF_PROMISC) {
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL930X_RMA_CTRL_2);
+       }
+}
+
+static void rtl931x_eth_set_multicast_list(struct net_device *ndev)
+{
+       if (!(ndev->flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+               sw_w32(0x0, RTL931X_RMA_CTRL_0);
+               sw_w32(0x0, RTL931X_RMA_CTRL_1);
+               sw_w32(0x0, RTL931X_RMA_CTRL_2);
+       }
+       if (ndev->flags & IFF_ALLMULTI) {
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_2);
+       }
+       if (ndev->flags & IFF_PROMISC) {
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_0);
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_1);
+               sw_w32(0x7fffffff, RTL931X_RMA_CTRL_2);
+       }
+}
+
+static void rtl838x_eth_tx_timeout(struct net_device *ndev)
+{
+       unsigned long flags;
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+
+       pr_warn("%s\n", __func__);
+       spin_lock_irqsave(&priv->lock, flags);
+       rtl838x_hw_stop(priv);
+       rtl838x_hw_ring_setup(priv);
+       rtl838x_hw_en_rxtx(priv);
+       netif_trans_update(ndev);
+       netif_start_queue(ndev);
+       spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static int rtl838x_eth_tx(struct sk_buff *skb, struct net_device *dev)
+{
+       int len, i;
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       struct ring_b *ring = priv->membase;
+       uint32_t val;
+       int ret;
+       unsigned long flags;
+       struct p_hdr *h;
+       int dest_port = -1;
+       int q = skb_get_queue_mapping(skb) % TXRINGS;
+
+       if (q) // Check for high prio queue
+               pr_debug("SKB priority: %d\n", skb->priority);
+
+       spin_lock_irqsave(&priv->lock, flags);
+       len = skb->len;
+
+       /* Check for DSA tagging at the end of the buffer */
+       if (netdev_uses_dsa(dev) && skb->data[len-4] == 0x80 && skb->data[len-3] > 0
+                       && skb->data[len-3] < priv->cpu_port &&  skb->data[len-2] == 0x10
+                       &&  skb->data[len-1] == 0x00) {
+               /* Reuse tag space for CRC if possible */
+               dest_port = skb->data[len-3];
+               skb->data[len-4] = skb->data[len-3] = skb->data[len-2] = skb->data[len-1] = 0x00;
+               len -= 4;
+       }
+
+       len += 4; // Add space for CRC
+
+       if (skb_padto(skb, len)) {
+               ret = NETDEV_TX_OK;
+               goto txdone;
+       }
+
+       /* We can send this packet if CPU owns the descriptor */
+       if (!(ring->tx_r[q][ring->c_tx[q]] & 0x1)) {
+
+               /* Set descriptor for tx */
+               h = &ring->tx_header[q][ring->c_tx[q]];
+               h->size = len;
+               h->len = len;
+               // On RTL8380 SoCs, small packet lengths being sent need adjustments
+               if (priv->family_id == RTL8380_FAMILY_ID) {
+                       if (len < ETH_ZLEN - 4)
+                               h->len -= 4;
+               }
+
+               priv->r->create_tx_header(h, dest_port, skb->priority >> 1);
+
+               /* Copy packet data to tx buffer */
+               memcpy((void *)KSEG1ADDR(h->buf), skb->data, len);
+               /* Make sure packet data is visible to ASIC */
+               wmb();
+
+               /* Hand over to switch */
+               ring->tx_r[q][ring->c_tx[q]] |= 1;
+
+               // Before starting TX, prevent a Lextra bus bug on RTL8380 SoCs
+               if (priv->family_id == RTL8380_FAMILY_ID) {
+                       for (i = 0; i < 10; i++) {
+                               val = sw_r32(priv->r->dma_if_ctrl);
+                               if ((val & 0xc) == 0xc)
+                                       break;
+                       }
+               }
+
+               /* Tell switch to send data */
+               if (priv->family_id == RTL9310_FAMILY_ID
+                       || priv->family_id == RTL9300_FAMILY_ID) {
+                       // Ring ID q == 0: Low priority, Ring ID = 1: High prio queue
+                       if (!q)
+                               sw_w32_mask(0, BIT(2), priv->r->dma_if_ctrl);
+                       else
+                               sw_w32_mask(0, BIT(3), priv->r->dma_if_ctrl);
+               } else {
+                       sw_w32_mask(0, TX_DO, priv->r->dma_if_ctrl);
+               }
+
+               dev->stats.tx_packets++;
+               dev->stats.tx_bytes += len;
+               dev_kfree_skb(skb);
+               ring->c_tx[q] = (ring->c_tx[q] + 1) % TXRINGLEN;
+               ret = NETDEV_TX_OK;
+       } else {
+               dev_warn(&priv->pdev->dev, "Data is owned by switch\n");
+               ret = NETDEV_TX_BUSY;
+       }
+txdone:
+       spin_unlock_irqrestore(&priv->lock, flags);
+       return ret;
+}
+
+/*
+ * Return queue number for TX. On the RTL83XX, these queues have equal priority
+ * so we do round-robin
+ */
+u16 rtl83xx_pick_tx_queue(struct net_device *dev, struct sk_buff *skb,
+                         struct net_device *sb_dev)
+{
+       static u8 last = 0;
+
+       last++;
+       return last % TXRINGS;
+}
+
+/*
+ * Return queue number for TX. On the RTL93XX, queue 1 is the high priority queue
+ */
+u16 rtl93xx_pick_tx_queue(struct net_device *dev, struct sk_buff *skb,
+                         struct net_device *sb_dev)
+{
+       if (skb->priority >= TC_PRIO_CONTROL)
+               return 1;
+       return 0;
+}
+
+static int rtl838x_hw_receive(struct net_device *dev, int r, int budget)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       struct ring_b *ring = priv->membase;
+       struct sk_buff *skb;
+       unsigned long flags;
+       int i, len, work_done = 0;
+       u8 *data, *skb_data;
+       unsigned int val;
+       u32     *last;
+       struct p_hdr *h;
+       bool dsa = netdev_uses_dsa(dev);
+       struct dsa_tag tag;
+
+       spin_lock_irqsave(&priv->lock, flags);
+       last = (u32 *)KSEG1ADDR(sw_r32(priv->r->dma_if_rx_cur + r * 4));
+       pr_debug("---------------------------------------------------------- RX - %d\n", r);
+
+       do {
+               if ((ring->rx_r[r][ring->c_rx[r]] & 0x1)) {
+                       if (&ring->rx_r[r][ring->c_rx[r]] != last) {
+                               netdev_warn(dev, "Ring contention: r: %x, last %x, cur %x\n",
+                                   r, (uint32_t)last, (u32) &ring->rx_r[r][ring->c_rx[r]]);
+                       }
+                       break;
+               }
+
+               h = &ring->rx_header[r][ring->c_rx[r]];
+               data = (u8 *)KSEG1ADDR(h->buf);
+               len = h->len;
+               if (!len)
+                       break;
+               work_done++;
+
+               len -= 4; /* strip the CRC */
+               /* Add 4 bytes for cpu_tag */
+               if (dsa)
+                       len += 4;
+
+               skb = alloc_skb(len + 4, GFP_KERNEL);
+               skb_reserve(skb, NET_IP_ALIGN);
+
+               if (likely(skb)) {
+                       /* BUG: Prevent bug on RTL838x SoCs*/
+                       if (priv->family_id == RTL8380_FAMILY_ID) {
+                               sw_w32(0xffffffff, priv->r->dma_if_rx_ring_size(0));
+                               for (i = 0; i < priv->rxrings; i++) {
+                                       /* Update each ring cnt */
+                                       val = sw_r32(priv->r->dma_if_rx_ring_cntr(i));
+                                       sw_w32(val, priv->r->dma_if_rx_ring_cntr(i));
+                               }
+                       }
+
+                       skb_data = skb_put(skb, len);
+                       /* Make sure data is visible */
+                       mb();
+                       memcpy(skb->data, (u8 *)KSEG1ADDR(data), len);
+                       /* Overwrite CRC with cpu_tag */
+                       if (dsa) {
+                               priv->r->decode_tag(h, &tag);
+                               skb->data[len-4] = 0x80;
+                               skb->data[len-3] = tag.port;
+                               skb->data[len-2] = 0x10;
+                               skb->data[len-1] = 0x00;
+                               if (tag.l2_offloaded)
+                                       skb->data[len-3] |= 0x40;
+                       }
+
+                       if (tag.queue >= 0)
+                               pr_debug("Queue: %d, len: %d, reason %d port %d\n",
+                                        tag.queue, len, tag.reason, tag.port);
+
+                       skb->protocol = eth_type_trans(skb, dev);
+                       if (dev->features & NETIF_F_RXCSUM) {
+                               if (tag.crc_error)
+                                       skb_checksum_none_assert(skb);
+                               else
+                                       skb->ip_summed = CHECKSUM_UNNECESSARY;
+                       }
+                       dev->stats.rx_packets++;
+                       dev->stats.rx_bytes += len;
+
+                       netif_receive_skb(skb);
+               } else {
+                       if (net_ratelimit())
+                               dev_warn(&dev->dev, "low on memory - packet dropped\n");
+                       dev->stats.rx_dropped++;
+               }
+
+               /* Reset header structure */
+               memset(h, 0, sizeof(struct p_hdr));
+               h->buf = data;
+               h->size = RING_BUFFER;
+
+               ring->rx_r[r][ring->c_rx[r]] = KSEG1ADDR(h) | 0x1 
+                       | (ring->c_rx[r] == (priv->rxringlen - 1) ? WRAP : 0x1);
+               ring->c_rx[r] = (ring->c_rx[r] + 1) % priv->rxringlen;
+               last = (u32 *)KSEG1ADDR(sw_r32(priv->r->dma_if_rx_cur + r * 4));
+       } while (&ring->rx_r[r][ring->c_rx[r]] != last && work_done < budget);
+
+       // Update counters
+       priv->r->update_cntr(r, 0);
+
+       spin_unlock_irqrestore(&priv->lock, flags);
+       return work_done;
+}
+
+static int rtl838x_poll_rx(struct napi_struct *napi, int budget)
+{
+       struct rtl838x_rx_q *rx_q = container_of(napi, struct rtl838x_rx_q, napi);
+       struct rtl838x_eth_priv *priv = rx_q->priv;
+       int work_done = 0;
+       int r = rx_q->id;
+       int work;
+
+       while (work_done < budget) {
+               work = rtl838x_hw_receive(priv->netdev, r, budget - work_done);
+               if (!work)
+                       break;
+               work_done += work;
+       }
+
+       if (work_done < budget) {
+               napi_complete_done(napi, work_done);
+
+               /* Enable RX interrupt */
+               if (priv->family_id == RTL9300_FAMILY_ID || priv->family_id == RTL9310_FAMILY_ID)
+                       sw_w32(0xffffffff, priv->r->dma_if_intr_rx_done_msk);
+               else
+                       sw_w32_mask(0, 0xf00ff | BIT(r + 8), priv->r->dma_if_intr_msk);
+       }
+       return work_done;
+}
+
+
+static void rtl838x_validate(struct phylink_config *config,
+                        unsigned long *supported,
+                        struct phylink_link_state *state)
+{
+       __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+       pr_debug("In %s\n", __func__);
+
+       if (!phy_interface_mode_is_rgmii(state->interface) &&
+           state->interface != PHY_INTERFACE_MODE_1000BASEX &&
+           state->interface != PHY_INTERFACE_MODE_MII &&
+           state->interface != PHY_INTERFACE_MODE_REVMII &&
+           state->interface != PHY_INTERFACE_MODE_GMII &&
+           state->interface != PHY_INTERFACE_MODE_QSGMII &&
+           state->interface != PHY_INTERFACE_MODE_INTERNAL &&
+           state->interface != PHY_INTERFACE_MODE_SGMII) {
+               bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+               pr_err("Unsupported interface: %d\n", state->interface);
+               return;
+       }
+
+       /* Allow all the expected bits */
+       phylink_set(mask, Autoneg);
+       phylink_set_port_modes(mask);
+       phylink_set(mask, Pause);
+       phylink_set(mask, Asym_Pause);
+
+       /* With the exclusion of MII and Reverse MII, we support Gigabit,
+        * including Half duplex
+        */
+       if (state->interface != PHY_INTERFACE_MODE_MII &&
+           state->interface != PHY_INTERFACE_MODE_REVMII) {
+               phylink_set(mask, 1000baseT_Full);
+               phylink_set(mask, 1000baseT_Half);
+       }
+
+       phylink_set(mask, 10baseT_Half);
+       phylink_set(mask, 10baseT_Full);
+       phylink_set(mask, 100baseT_Half);
+       phylink_set(mask, 100baseT_Full);
+
+       bitmap_and(supported, supported, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+       bitmap_and(state->advertising, state->advertising, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+
+static void rtl838x_mac_config(struct phylink_config *config,
+                              unsigned int mode,
+                              const struct phylink_link_state *state)
+{
+       /* This is only being called for the master device,
+        * i.e. the CPU-Port. We don't need to do anything.
+        */
+
+       pr_info("In %s, mode %x\n", __func__, mode);
+}
+
+static void rtl838x_mac_an_restart(struct phylink_config *config)
+{
+       struct net_device *dev = container_of(config->dev, struct net_device, dev);
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+
+       /* This works only on RTL838x chips */
+       if (priv->family_id != RTL8380_FAMILY_ID)
+               return;
+
+       pr_debug("In %s\n", __func__);
+       /* Restart by disabling and re-enabling link */
+       sw_w32(0x6192D, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+       mdelay(20);
+       sw_w32(0x6192F, priv->r->mac_force_mode_ctrl + priv->cpu_port * 4);
+}
+
+static int rtl838x_mac_pcs_get_state(struct phylink_config *config,
+                                 struct phylink_link_state *state)
+{
+       u32 speed;
+       struct net_device *dev = container_of(config->dev, struct net_device, dev);
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       int port = priv->cpu_port;
+
+       pr_debug("In %s\n", __func__);
+
+       state->link = priv->r->get_mac_link_sts(port) ? 1 : 0;
+       state->duplex = priv->r->get_mac_link_dup_sts(port) ? 1 : 0;
+
+       speed = priv->r->get_mac_link_spd_sts(port);
+       switch (speed) {
+       case 0:
+               state->speed = SPEED_10;
+               break;
+       case 1:
+               state->speed = SPEED_100;
+               break;
+       case 2:
+               state->speed = SPEED_1000;
+               break;
+       default:
+               state->speed = SPEED_UNKNOWN;
+               break;
+       }
+
+       state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX);
+       if (priv->r->get_mac_rx_pause_sts(port))
+               state->pause |= MLO_PAUSE_RX;
+       if (priv->r->get_mac_tx_pause_sts(port))
+               state->pause |= MLO_PAUSE_TX;
+
+       return 1;
+}
+
+static void rtl838x_mac_link_down(struct phylink_config *config,
+                                 unsigned int mode,
+                                 phy_interface_t interface)
+{
+       struct net_device *dev = container_of(config->dev, struct net_device, dev);
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+
+       pr_debug("In %s\n", __func__);
+       /* Stop TX/RX to port */
+       sw_w32_mask(0x03, 0, priv->r->mac_port_ctrl(priv->cpu_port));
+}
+
+static void rtl838x_mac_link_up(struct phylink_config *config, unsigned int mode,
+                           phy_interface_t interface,
+                           struct phy_device *phy)
+{
+       struct net_device *dev = container_of(config->dev, struct net_device, dev);
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+
+       pr_debug("In %s\n", __func__);
+       /* Restart TX/RX to port */
+       sw_w32_mask(0, 0x03, priv->r->mac_port_ctrl(priv->cpu_port));
+}
+
+static void rtl838x_set_mac_hw(struct net_device *dev, u8 *mac)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->lock, flags);
+       pr_debug("In %s\n", __func__);
+       sw_w32((mac[0] << 8) | mac[1], priv->r->mac);
+       sw_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], priv->r->mac + 4);
+
+       if (priv->family_id == RTL8380_FAMILY_ID) {
+               /* 2 more registers, ALE/MAC block */
+               sw_w32((mac[0] << 8) | mac[1], RTL838X_MAC_ALE);
+               sw_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+                      (RTL838X_MAC_ALE + 4));
+
+               sw_w32((mac[0] << 8) | mac[1], RTL838X_MAC2);
+               sw_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+                      RTL838X_MAC2 + 4);
+       }
+       spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static int rtl838x_set_mac_address(struct net_device *dev, void *p)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       const struct sockaddr *addr = p;
+       u8 *mac = (u8 *) (addr->sa_data);
+
+       if (!is_valid_ether_addr(addr->sa_data))
+               return -EADDRNOTAVAIL;
+
+       memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+       rtl838x_set_mac_hw(dev, mac);
+
+       pr_info("Using MAC %08x%08x\n", sw_r32(priv->r->mac), sw_r32(priv->r->mac + 4));
+       return 0;
+}
+
+static int rtl8390_init_mac(struct rtl838x_eth_priv *priv)
+{
+       // We will need to set-up EEE and the egress-rate limitation
+       return 0;
+}
+
+static int rtl8380_init_mac(struct rtl838x_eth_priv *priv)
+{
+       int i;
+
+       if (priv->family_id == 0x8390)
+               return rtl8390_init_mac(priv);
+
+       pr_info("%s\n", __func__);
+       /* fix timer for EEE */
+       sw_w32(0x5001411, RTL838X_EEE_TX_TIMER_GIGA_CTRL);
+       sw_w32(0x5001417, RTL838X_EEE_TX_TIMER_GELITE_CTRL);
+
+       /* Init VLAN */
+       if (priv->id == 0x8382) {
+               for (i = 0; i <= 28; i++)
+                       sw_w32(0, 0xd57c + i * 0x80);
+       }
+       if (priv->id == 0x8380) {
+               for (i = 8; i <= 28; i++)
+                       sw_w32(0, 0xd57c + i * 0x80);
+       }
+       return 0;
+}
+
+static int rtl838x_get_link_ksettings(struct net_device *ndev,
+                                     struct ethtool_link_ksettings *cmd)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+
+       pr_debug("%s called\n", __func__);
+       return phylink_ethtool_ksettings_get(priv->phylink, cmd);
+}
+
+static int rtl838x_set_link_ksettings(struct net_device *ndev,
+                                     const struct ethtool_link_ksettings *cmd)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(ndev);
+
+       pr_debug("%s called\n", __func__);
+       return phylink_ethtool_ksettings_set(priv->phylink, cmd);
+}
+
+static int rtl838x_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+       u32 val;
+       int err;
+       struct rtl838x_eth_priv *priv = bus->priv;
+
+       if (mii_id >= 24 && mii_id <= 27 && priv->id == 0x8380)
+               return rtl838x_read_sds_phy(mii_id, regnum);
+       err = rtl838x_read_phy(mii_id, 0, regnum, &val);
+       if (err)
+               return err;
+       return val;
+}
+
+static int rtl839x_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+       u32 val;
+       int err;
+       struct rtl838x_eth_priv *priv = bus->priv;
+
+       if (mii_id >= 48 && mii_id <= 49 && priv->id == 0x8393)
+               return rtl839x_read_sds_phy(mii_id, regnum);
+
+       err = rtl839x_read_phy(mii_id, 0, regnum, &val);
+       if (err)
+               return err;
+       return val;
+}
+
+static int rtl930x_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+       u32 val;
+       int err;
+
+       // TODO: These are hard-coded for the 2 Fibre Ports of the XGS1210
+       if (mii_id >= 26 && mii_id <= 27)
+               return rtl930x_read_sds_phy(mii_id - 18, 0, regnum);
+
+       if (regnum & MII_ADDR_C45) {
+               regnum &= ~MII_ADDR_C45;
+               err = rtl930x_read_mmd_phy(mii_id, regnum >> 16, regnum & 0xffff, &val);
+       } else {
+               err = rtl930x_read_phy(mii_id, 0, regnum, &val);
+       }
+       if (err)
+               return err;
+       return val;
+}
+
+static int rtl931x_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+       u32 val;
+       int err;
+//     struct rtl838x_eth_priv *priv = bus->priv;
+
+//     if (mii_id >= 48 && mii_id <= 49 && priv->id == 0x8393)
+//             return rtl839x_read_sds_phy(mii_id, regnum);
+
+       err = rtl931x_read_phy(mii_id, 0, regnum, &val);
+       if (err)
+               return err;
+       return val;
+}
+
+static int rtl838x_mdio_write(struct mii_bus *bus, int mii_id,
+                             int regnum, u16 value)
+{
+       u32 offset = 0;
+       struct rtl838x_eth_priv *priv = bus->priv;
+
+       if (mii_id >= 24 && mii_id <= 27 && priv->id == 0x8380) {
+               if (mii_id == 26)
+                       offset = 0x100;
+               sw_w32(value, RTL838X_SDS4_FIB_REG0 + offset + (regnum << 2));
+               return 0;
+       }
+       return rtl838x_write_phy(mii_id, 0, regnum, value);
+}
+
+static int rtl839x_mdio_write(struct mii_bus *bus, int mii_id,
+                             int regnum, u16 value)
+{
+       struct rtl838x_eth_priv *priv = bus->priv;
+
+       if (mii_id >= 48 && mii_id <= 49 && priv->id == 0x8393)
+               return rtl839x_write_sds_phy(mii_id, regnum, value);
+
+       return rtl839x_write_phy(mii_id, 0, regnum, value);
+}
+
+static int rtl930x_mdio_write(struct mii_bus *bus, int mii_id,
+                             int regnum, u16 value)
+{
+//     struct rtl838x_eth_priv *priv = bus->priv;
+
+//     if (mii_id >= 48 && mii_id <= 49 && priv->id == 0x8393)
+//             return rtl839x_write_sds_phy(mii_id, regnum, value);
+       if (regnum & MII_ADDR_C45) {
+               regnum &= ~MII_ADDR_C45;
+               return rtl930x_write_mmd_phy(mii_id, regnum >> 16, regnum & 0xffff, value);
+       }
+
+       return rtl930x_write_phy(mii_id, 0, regnum, value);
+}
+
+static int rtl931x_mdio_write(struct mii_bus *bus, int mii_id,
+                             int regnum, u16 value)
+{
+//     struct rtl838x_eth_priv *priv = bus->priv;
+
+//     if (mii_id >= 48 && mii_id <= 49 && priv->id == 0x8393)
+//             return rtl839x_write_sds_phy(mii_id, regnum, value);
+
+       return rtl931x_write_phy(mii_id, 0, regnum, value);
+}
+
+static int rtl838x_mdio_reset(struct mii_bus *bus)
+{
+       pr_debug("%s called\n", __func__);
+       /* Disable MAC polling the PHY so that we can start configuration */
+       sw_w32(0x00000000, RTL838X_SMI_POLL_CTRL);
+
+       /* Enable PHY control via SoC */
+       sw_w32_mask(0, 1 << 15, RTL838X_SMI_GLB_CTRL);
+
+       // Probably should reset all PHYs here...
+       return 0;
+}
+
+static int rtl839x_mdio_reset(struct mii_bus *bus)
+{
+       return 0;
+
+       pr_debug("%s called\n", __func__);
+       /* BUG: The following does not work, but should! */
+       /* Disable MAC polling the PHY so that we can start configuration */
+       sw_w32(0x00000000, RTL839X_SMI_PORT_POLLING_CTRL);
+       sw_w32(0x00000000, RTL839X_SMI_PORT_POLLING_CTRL + 4);
+       /* Disable PHY polling via SoC */
+       sw_w32_mask(1 << 7, 0, RTL839X_SMI_GLB_CTRL);
+
+       // Probably should reset all PHYs here...
+       return 0;
+}
+
+static int rtl931x_mdio_reset(struct mii_bus *bus)
+{
+       sw_w32(0x00000000, RTL931X_SMI_PORT_POLLING_CTRL);
+       sw_w32(0x00000000, RTL931X_SMI_PORT_POLLING_CTRL + 4);
+
+       pr_debug("%s called\n", __func__);
+
+       return 0;
+}
+
+static int rtl930x_mdio_reset(struct mii_bus *bus)
+{
+       int i;
+       int pos;
+
+       pr_info("RTL930X_SMI_PORT0_15_POLLING_SEL %08x 16-27: %08x\n",
+               sw_r32(RTL930X_SMI_PORT0_15_POLLING_SEL),
+               sw_r32(RTL930X_SMI_PORT16_27_POLLING_SEL));
+
+       pr_info("%s: Enable SMI polling on SMI bus 0, SMI1, SMI2, disable on SMI3\n", __func__);
+       sw_w32_mask(BIT(20) | BIT(21) | BIT(22), BIT(23), RTL930X_SMI_GLB_CTRL);
+
+       pr_info("RTL9300 Powering on SerDes ports\n");
+       rtl9300_sds_power(24, 1);
+       rtl9300_sds_power(25, 1);
+       rtl9300_sds_power(26, 1);
+       rtl9300_sds_power(27, 1);
+       mdelay(200);
+
+       // RTL930X_SMI_PORT0_15_POLLING_SEL 55550000 16-27: 00f9aaaa
+       // i.e SMI=0 for all ports
+       for (i = 0; i < 5; i++)
+               pr_info("port phy: %08x\n", sw_r32(RTL930X_SMI_PORT0_5_ADDR + i *4));
+
+       // 1-to-1 mapping of port to phy-address
+       for (i = 0; i < 24; i++) {
+               pos = (i % 6) * 5;
+               sw_w32_mask(0x1f << pos, i << pos, RTL930X_SMI_PORT0_5_ADDR + (i / 6) * 4);
+       }
+
+       // ports 24 and 25 have PHY addresses 8 and 9, ports 26/27 PHY 26/27
+       sw_w32(8 | 9 << 5 | 26 << 10 | 27 << 15, RTL930X_SMI_PORT0_5_ADDR + 4 * 4);
+
+       // Ports 24 and 25 live on SMI bus 1 and 2
+       sw_w32_mask(0x3 << 16, 0x1 << 16, RTL930X_SMI_PORT16_27_POLLING_SEL);
+       sw_w32_mask(0x3 << 18, 0x2 << 18, RTL930X_SMI_PORT16_27_POLLING_SEL);
+
+       // SMI bus 1 and 2 speak Clause 45 TODO: Configure from .dts
+       sw_w32_mask(0, BIT(17) | BIT(18), RTL930X_SMI_GLB_CTRL);
+
+       // Ports 24 and 25 are 2.5 Gig, set this type (1)
+       sw_w32_mask(0x7 << 12, 1 << 12, RTL930X_SMI_MAC_TYPE_CTRL);
+       sw_w32_mask(0x7 << 15, 1 << 15, RTL930X_SMI_MAC_TYPE_CTRL);
+
+       return 0;
+}
+
+static int rtl838x_mdio_init(struct rtl838x_eth_priv *priv)
+{
+       struct device_node *mii_np;
+       int ret;
+
+       pr_debug("%s called\n", __func__);
+       mii_np = of_get_child_by_name(priv->pdev->dev.of_node, "mdio-bus");
+
+       if (!mii_np) {
+               dev_err(&priv->pdev->dev, "no %s child node found", "mdio-bus");
+               return -ENODEV;
+       }
+
+       if (!of_device_is_available(mii_np)) {
+               ret = -ENODEV;
+               goto err_put_node;
+       }
+
+       priv->mii_bus = devm_mdiobus_alloc(&priv->pdev->dev);
+       if (!priv->mii_bus) {
+               ret = -ENOMEM;
+               goto err_put_node;
+       }
+
+       switch(priv->family_id) {
+       case RTL8380_FAMILY_ID:
+               priv->mii_bus->name = "rtl838x-eth-mdio";
+               priv->mii_bus->read = rtl838x_mdio_read;
+               priv->mii_bus->write = rtl838x_mdio_write;
+               priv->mii_bus->reset = rtl838x_mdio_reset;
+               break;
+       case RTL8390_FAMILY_ID:
+               priv->mii_bus->name = "rtl839x-eth-mdio";
+               priv->mii_bus->read = rtl839x_mdio_read;
+               priv->mii_bus->write = rtl839x_mdio_write;
+               priv->mii_bus->reset = rtl839x_mdio_reset;
+               break;
+       case RTL9300_FAMILY_ID:
+               priv->mii_bus->name = "rtl930x-eth-mdio";
+               priv->mii_bus->read = rtl930x_mdio_read;
+               priv->mii_bus->write = rtl930x_mdio_write;
+               priv->mii_bus->reset = rtl930x_mdio_reset;
+       //      priv->mii_bus->probe_capabilities = MDIOBUS_C22_C45; TODO for linux 5.9
+               break;
+       case RTL9310_FAMILY_ID:
+               priv->mii_bus->name = "rtl931x-eth-mdio";
+               priv->mii_bus->read = rtl931x_mdio_read;
+               priv->mii_bus->write = rtl931x_mdio_write;
+               priv->mii_bus->reset = rtl931x_mdio_reset;
+//             priv->mii_bus->probe_capabilities = MDIOBUS_C22_C45;  TODO for linux 5.9
+               break;
+       }
+       priv->mii_bus->priv = priv;
+       priv->mii_bus->parent = &priv->pdev->dev;
+
+       snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np);
+       ret = of_mdiobus_register(priv->mii_bus, mii_np);
+
+err_put_node:
+       of_node_put(mii_np);
+       return ret;
+}
+
+static int rtl838x_mdio_remove(struct rtl838x_eth_priv *priv)
+{
+       pr_debug("%s called\n", __func__);
+       if (!priv->mii_bus)
+               return 0;
+
+       mdiobus_unregister(priv->mii_bus);
+       mdiobus_free(priv->mii_bus);
+
+       return 0;
+}
+
+static netdev_features_t rtl838x_fix_features(struct net_device *dev,
+                                         netdev_features_t features)
+{
+       return features;
+}
+
+static int rtl83xx_set_features(struct net_device *dev, netdev_features_t features)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+
+       if ((features ^ dev->features) & NETIF_F_RXCSUM) {
+               if (!(features & NETIF_F_RXCSUM))
+                       sw_w32_mask(BIT(3), 0, priv->r->mac_port_ctrl(priv->cpu_port));
+               else
+                       sw_w32_mask(0, BIT(4), priv->r->mac_port_ctrl(priv->cpu_port));
+       }
+
+       return 0;
+}
+
+static int rtl93xx_set_features(struct net_device *dev, netdev_features_t features)
+{
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+
+       if ((features ^ dev->features) & NETIF_F_RXCSUM) {
+               if (!(features & NETIF_F_RXCSUM))
+                       sw_w32_mask(BIT(4), 0, priv->r->mac_port_ctrl(priv->cpu_port));
+               else
+                       sw_w32_mask(0, BIT(4), priv->r->mac_port_ctrl(priv->cpu_port));
+       }
+
+       return 0;
+}
+
+static const struct net_device_ops rtl838x_eth_netdev_ops = {
+       .ndo_open = rtl838x_eth_open,
+       .ndo_stop = rtl838x_eth_stop,
+       .ndo_start_xmit = rtl838x_eth_tx,
+       .ndo_select_queue = rtl83xx_pick_tx_queue,
+       .ndo_set_mac_address = rtl838x_set_mac_address,
+       .ndo_validate_addr = eth_validate_addr,
+       .ndo_set_rx_mode = rtl838x_eth_set_multicast_list,
+       .ndo_tx_timeout = rtl838x_eth_tx_timeout,
+       .ndo_set_features = rtl83xx_set_features,
+       .ndo_fix_features = rtl838x_fix_features,
+};
+
+static const struct net_device_ops rtl839x_eth_netdev_ops = {
+       .ndo_open = rtl838x_eth_open,
+       .ndo_stop = rtl838x_eth_stop,
+       .ndo_start_xmit = rtl838x_eth_tx,
+       .ndo_select_queue = rtl83xx_pick_tx_queue,
+       .ndo_set_mac_address = rtl838x_set_mac_address,
+       .ndo_validate_addr = eth_validate_addr,
+       .ndo_set_rx_mode = rtl839x_eth_set_multicast_list,
+       .ndo_tx_timeout = rtl838x_eth_tx_timeout,
+       .ndo_set_features = rtl83xx_set_features,
+       .ndo_fix_features = rtl838x_fix_features,
+};
+
+static const struct net_device_ops rtl930x_eth_netdev_ops = {
+       .ndo_open = rtl838x_eth_open,
+       .ndo_stop = rtl838x_eth_stop,
+       .ndo_start_xmit = rtl838x_eth_tx,
+       .ndo_select_queue = rtl93xx_pick_tx_queue,
+       .ndo_set_mac_address = rtl838x_set_mac_address,
+       .ndo_validate_addr = eth_validate_addr,
+       .ndo_set_rx_mode = rtl930x_eth_set_multicast_list,
+       .ndo_tx_timeout = rtl838x_eth_tx_timeout,
+       .ndo_set_features = rtl93xx_set_features,
+       .ndo_fix_features = rtl838x_fix_features,
+};
+
+static const struct net_device_ops rtl931x_eth_netdev_ops = {
+       .ndo_open = rtl838x_eth_open,
+       .ndo_stop = rtl838x_eth_stop,
+       .ndo_start_xmit = rtl838x_eth_tx,
+       .ndo_select_queue = rtl93xx_pick_tx_queue,
+       .ndo_set_mac_address = rtl838x_set_mac_address,
+       .ndo_validate_addr = eth_validate_addr,
+       .ndo_set_rx_mode = rtl931x_eth_set_multicast_list,
+       .ndo_tx_timeout = rtl838x_eth_tx_timeout,
+       .ndo_set_features = rtl93xx_set_features,
+       .ndo_fix_features = rtl838x_fix_features,
+};
+
+static const struct phylink_mac_ops rtl838x_phylink_ops = {
+       .validate = rtl838x_validate,
+       .mac_link_state = rtl838x_mac_pcs_get_state,
+       .mac_an_restart = rtl838x_mac_an_restart,
+       .mac_config = rtl838x_mac_config,
+       .mac_link_down = rtl838x_mac_link_down,
+       .mac_link_up = rtl838x_mac_link_up,
+};
+
+static const struct ethtool_ops rtl838x_ethtool_ops = {
+       .get_link_ksettings     = rtl838x_get_link_ksettings,
+       .set_link_ksettings     = rtl838x_set_link_ksettings,
+};
+
+static int __init rtl838x_eth_probe(struct platform_device *pdev)
+{
+       struct net_device *dev;
+       struct device_node *dn = pdev->dev.of_node;
+       struct rtl838x_eth_priv *priv;
+       struct resource *res, *mem;
+       phy_interface_t phy_mode;
+       struct phylink *phylink;
+       int err = 0, i, rxrings, rxringlen;
+       struct ring_b *ring;
+
+       pr_info("Probing RTL838X eth device pdev: %x, dev: %x\n",
+               (u32)pdev, (u32)(&(pdev->dev)));
+
+       if (!dn) {
+               dev_err(&pdev->dev, "No DT found\n");
+               return -EINVAL;
+       }
+
+       rxrings = (soc_info.family == RTL8380_FAMILY_ID 
+                       || soc_info.family == RTL8390_FAMILY_ID) ? 8 : 32;
+       rxrings = rxrings > MAX_RXRINGS ? MAX_RXRINGS : rxrings;
+       rxringlen = MAX_ENTRIES / rxrings;
+       rxringlen = rxringlen > MAX_RXLEN ? MAX_RXLEN : rxringlen;
+
+       dev = alloc_etherdev_mqs(sizeof(struct rtl838x_eth_priv), TXRINGS, rxrings);
+       if (!dev) {
+               err = -ENOMEM;
+               goto err_free;
+       }
+       SET_NETDEV_DEV(dev, &pdev->dev);
+       priv = netdev_priv(dev);
+
+       /* obtain buffer memory space */
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       if (res) {
+               mem = devm_request_mem_region(&pdev->dev, res->start,
+                       resource_size(res), res->name);
+               if (!mem) {
+                       dev_err(&pdev->dev, "cannot request memory space\n");
+                       err = -ENXIO;
+                       goto err_free;
+               }
+
+               dev->mem_start = mem->start;
+               dev->mem_end   = mem->end;
+       } else {
+               dev_err(&pdev->dev, "cannot request IO resource\n");
+               err = -ENXIO;
+               goto err_free;
+       }
+
+       /* Allocate buffer memory */
+       priv->membase = dmam_alloc_coherent(&pdev->dev, rxrings * rxringlen * RING_BUFFER
+                               + sizeof(struct ring_b) + sizeof(struct notify_b),
+                               (void *)&dev->mem_start, GFP_KERNEL);
+       if (!priv->membase) {
+               dev_err(&pdev->dev, "cannot allocate DMA buffer\n");
+               err = -ENOMEM;
+               goto err_free;
+       }
+
+       // Allocate ring-buffer space at the end of the allocated memory
+       ring = priv->membase;
+       ring->rx_space = priv->membase + sizeof(struct ring_b) + sizeof(struct notify_b);
+
+       spin_lock_init(&priv->lock);
+
+       /* obtain device IRQ number */
+       res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+       if (!res) {
+               dev_err(&pdev->dev, "cannot obtain IRQ, using default 24\n");
+               dev->irq = 24;
+       } else {
+               dev->irq = res->start;
+       }
+       dev->ethtool_ops = &rtl838x_ethtool_ops;
+       dev->min_mtu = ETH_ZLEN;
+       dev->max_mtu = 1536;
+       dev->features = NETIF_F_RXCSUM | NETIF_F_HW_CSUM;
+       dev->hw_features = NETIF_F_RXCSUM;
+
+       priv->id = soc_info.id;
+       priv->family_id = soc_info.family;
+       if (priv->id) {
+               pr_info("Found SoC ID: %4x: %s, family %x\n",
+                       priv->id, soc_info.name, priv->family_id);
+       } else {
+               pr_err("Unknown chip id (%04x)\n", priv->id);
+               return -ENODEV;
+       }
+
+       switch (priv->family_id) {
+       case RTL8380_FAMILY_ID:
+               priv->cpu_port = RTL838X_CPU_PORT;
+               priv->r = &rtl838x_reg;
+               dev->netdev_ops = &rtl838x_eth_netdev_ops;
+               break;
+       case RTL8390_FAMILY_ID:
+               priv->cpu_port = RTL839X_CPU_PORT;
+               priv->r = &rtl839x_reg;
+               dev->netdev_ops = &rtl839x_eth_netdev_ops;
+               break;
+       case RTL9300_FAMILY_ID:
+               priv->cpu_port = RTL930X_CPU_PORT;
+               priv->r = &rtl930x_reg;
+               dev->netdev_ops = &rtl930x_eth_netdev_ops;
+               break;
+       case RTL9310_FAMILY_ID:
+               priv->cpu_port = RTL931X_CPU_PORT;
+               priv->r = &rtl931x_reg;
+               dev->netdev_ops = &rtl931x_eth_netdev_ops;
+               break;
+       default:
+               pr_err("Unknown SoC family\n");
+               return -ENODEV;
+       }
+       priv->rxringlen = rxringlen;
+       priv->rxrings = rxrings;
+
+       rtl8380_init_mac(priv);
+
+       /* try to get mac address in the following order:
+        * 1) from device tree data
+        * 2) from internal registers set by bootloader
+        */
+       of_get_mac_address(pdev->dev.of_node, dev->dev_addr);
+       if (is_valid_ether_addr(dev->dev_addr)) {
+               rtl838x_set_mac_hw(dev, (u8 *)dev->dev_addr);
+       } else {
+               dev->dev_addr[0] = (sw_r32(priv->r->mac) >> 8) & 0xff;
+               dev->dev_addr[1] = sw_r32(priv->r->mac) & 0xff;
+               dev->dev_addr[2] = (sw_r32(priv->r->mac + 4) >> 24) & 0xff;
+               dev->dev_addr[3] = (sw_r32(priv->r->mac + 4) >> 16) & 0xff;
+               dev->dev_addr[4] = (sw_r32(priv->r->mac + 4) >> 8) & 0xff;
+               dev->dev_addr[5] = sw_r32(priv->r->mac + 4) & 0xff;
+       }
+       /* if the address is invalid, use a random value */
+       if (!is_valid_ether_addr(dev->dev_addr)) {
+               struct sockaddr sa = { AF_UNSPEC };
+
+               netdev_warn(dev, "Invalid MAC address, using random\n");
+               eth_hw_addr_random(dev);
+               memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN);
+               if (rtl838x_set_mac_address(dev, &sa))
+                       netdev_warn(dev, "Failed to set MAC address.\n");
+       }
+       pr_info("Using MAC %08x%08x\n", sw_r32(priv->r->mac),
+                                       sw_r32(priv->r->mac + 4));
+       strcpy(dev->name, "eth%d");
+       priv->pdev = pdev;
+       priv->netdev = dev;
+
+       err = rtl838x_mdio_init(priv);
+       if (err)
+               goto err_free;
+
+       err = register_netdev(dev);
+       if (err)
+               goto err_free;
+
+       for (i = 0; i < priv->rxrings; i++) {
+               priv->rx_qs[i].id = i;
+               priv->rx_qs[i].priv = priv;
+               netif_napi_add(dev, &priv->rx_qs[i].napi, rtl838x_poll_rx, 64);
+       }
+
+       platform_set_drvdata(pdev, dev);
+
+       phy_mode = of_get_phy_mode(dn);
+       if (phy_mode < 0) {
+               dev_err(&pdev->dev, "incorrect phy-mode\n");
+               err = -EINVAL;
+               goto err_free;
+       }
+       priv->phylink_config.dev = &dev->dev;
+       priv->phylink_config.type = PHYLINK_NETDEV;
+
+       phylink = phylink_create(&priv->phylink_config, pdev->dev.fwnode,
+                                phy_mode, &rtl838x_phylink_ops);
+       if (IS_ERR(phylink)) {
+               err = PTR_ERR(phylink);
+               goto err_free;
+       }
+       priv->phylink = phylink;
+
+       return 0;
+
+err_free:
+       pr_err("Error setting up netdev, freeing it again.\n");
+       free_netdev(dev);
+       return err;
+}
+
+static int rtl838x_eth_remove(struct platform_device *pdev)
+{
+       struct net_device *dev = platform_get_drvdata(pdev);
+       struct rtl838x_eth_priv *priv = netdev_priv(dev);
+       int i;
+
+       if (dev) {
+               pr_info("Removing platform driver for rtl838x-eth\n");
+               rtl838x_mdio_remove(priv);
+               rtl838x_hw_stop(priv);
+
+               netif_tx_stop_all_queues(dev);
+
+               for (i = 0; i < priv->rxrings; i++)
+                       netif_napi_del(&priv->rx_qs[i].napi);
+
+               unregister_netdev(dev);
+               free_netdev(dev);
+       }
+       return 0;
+}
+
+static const struct of_device_id rtl838x_eth_of_ids[] = {
+       { .compatible = "realtek,rtl838x-eth"},
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, rtl838x_eth_of_ids);
+
+static struct platform_driver rtl838x_eth_driver = {
+       .probe = rtl838x_eth_probe,
+       .remove = rtl838x_eth_remove,
+       .driver = {
+               .name = "rtl838x-eth",
+               .pm = NULL,
+               .of_match_table = rtl838x_eth_of_ids,
+       },
+};
+
+module_platform_driver(rtl838x_eth_driver);
+
+MODULE_AUTHOR("B. Koblitz");
+MODULE_DESCRIPTION("RTL838X SoC Ethernet Driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.h b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.h
new file mode 100644 (file)
index 0000000..c7e9705
--- /dev/null
@@ -0,0 +1,429 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _RTL838X_ETH_H
+#define _RTL838X_ETH_H
+
+/*
+ * Register definition
+ */
+
+/* Per port MAC control */
+#define RTL838X_MAC_PORT_CTRL                  (0xd560)
+#define RTL839X_MAC_PORT_CTRL                  (0x8004)
+#define RTL930X_MAC_L2_PORT_CTRL               (0x3268)
+#define RTL930X_MAC_PORT_CTRL                  (0x3260)
+#define RTL931X_MAC_L2_PORT_CTRL               (0x6000)
+#define RTL931X_MAC_PORT_CTRL                  (0x6004)
+
+/* DMA interrupt control and status registers */
+#define RTL838X_DMA_IF_CTRL                    (0x9f58)
+#define RTL838X_DMA_IF_INTR_STS                        (0x9f54)
+#define RTL838X_DMA_IF_INTR_MSK                        (0x9f50)
+
+#define RTL839X_DMA_IF_CTRL                    (0x786c)
+#define RTL839X_DMA_IF_INTR_STS                        (0x7868)
+#define RTL839X_DMA_IF_INTR_MSK                        (0x7864)
+
+#define RTL930X_DMA_IF_CTRL                    (0xe028)
+#define RTL930X_DMA_IF_INTR_RX_RUNOUT_STS      (0xe01C)
+#define RTL930X_DMA_IF_INTR_RX_DONE_STS                (0xe020)
+#define RTL930X_DMA_IF_INTR_TX_DONE_STS                (0xe024)
+#define RTL930X_DMA_IF_INTR_RX_RUNOUT_MSK      (0xe010)
+#define RTL930X_DMA_IF_INTR_RX_DONE_MSK                (0xe014)
+#define RTL930X_DMA_IF_INTR_TX_DONE_MSK                (0xe018)
+#define RTL930X_L2_NTFY_IF_INTR_MSK            (0xe04C)
+#define RTL930X_L2_NTFY_IF_INTR_STS            (0xe050)
+
+/* TODO: RTL931X_DMA_IF_CTRL has different bits meanings */
+#define RTL931X_DMA_IF_CTRL                    (0x0928)
+#define RTL931X_DMA_IF_INTR_RX_RUNOUT_STS      (0x091c)
+#define RTL931X_DMA_IF_INTR_RX_DONE_STS                (0x0920)
+#define RTL931X_DMA_IF_INTR_TX_DONE_STS                (0x0924)
+#define RTL931X_DMA_IF_INTR_RX_RUNOUT_MSK      (0x0910)
+#define RTL931X_DMA_IF_INTR_RX_DONE_MSK                (0x0914)
+#define RTL931X_DMA_IF_INTR_TX_DONE_MSK                (0x0918)
+#define RTL931X_L2_NTFY_IF_INTR_MSK            (0x09E4)
+#define RTL931X_L2_NTFY_IF_INTR_STS            (0x09E8)
+
+#define RTL838X_MAC_FORCE_MODE_CTRL            (0xa104)
+#define RTL839X_MAC_FORCE_MODE_CTRL            (0x02bc)
+#define RTL930X_MAC_FORCE_MODE_CTRL            (0xCA1C)
+#define RTL931X_MAC_FORCE_MODE_CTRL            (0x0ddc)
+
+/* MAC address settings */
+#define RTL838X_MAC                            (0xa9ec)
+#define RTL839X_MAC                            (0x02b4)
+#define RTL838X_MAC_ALE                                (0x6b04)
+#define RTL838X_MAC2                           (0xa320)
+#define RTL930X_MAC_L2_ADDR_CTRL               (0xC714)
+#define RTL931X_MAC_L2_ADDR_CTRL               (0x135c)
+
+/* Ringbuffer setup */
+#define RTL838X_DMA_RX_BASE                    (0x9f00)
+#define RTL839X_DMA_RX_BASE                    (0x780c)
+#define RTL930X_DMA_RX_BASE                    (0xdf00)
+#define RTL931X_DMA_RX_BASE                    (0x0800)
+
+#define RTL838X_DMA_TX_BASE                    (0x9f40)
+#define RTL839X_DMA_TX_BASE                    (0x784c)
+#define RTL930X_DMA_TX_BASE                    (0xe000)
+#define RTL931X_DMA_TX_BASE                    (0x0900)
+
+#define RTL838X_DMA_IF_RX_RING_SIZE            (0xB7E4)
+#define RTL839X_DMA_IF_RX_RING_SIZE            (0x6038)
+#define RTL930X_DMA_IF_RX_RING_SIZE            (0x7C60)
+#define RTL931X_DMA_IF_RX_RING_SIZE            (0x2080)
+
+#define RTL838X_DMA_IF_RX_RING_CNTR            (0xB7E8)
+#define RTL839X_DMA_IF_RX_RING_CNTR            (0x603c)
+#define RTL930X_DMA_IF_RX_RING_CNTR            (0x7C8C)
+#define RTL931X_DMA_IF_RX_RING_CNTR            (0x20AC)
+
+#define RTL838X_DMA_IF_RX_CUR                  (0x9F20)
+#define RTL839X_DMA_IF_RX_CUR                  (0x782c)
+#define RTL930X_DMA_IF_RX_CUR                  (0xdf80)
+#define RTL931X_DMA_IF_RX_CUR                  (0x0880)
+
+#define RTL838X_DMA_IF_TX_CUR_DESC_ADDR_CTRL   (0x9F48)
+#define RTL930X_DMA_IF_TX_CUR_DESC_ADDR_CTRL   (0xE008)
+
+#define RTL838X_DMY_REG31                      (0x3b28)
+#define RTL838X_SDS_MODE_SEL                   (0x0028)
+#define RTL838X_SDS_CFG_REG                    (0x0034)
+#define RTL838X_INT_MODE_CTRL                  (0x005c)
+#define RTL838X_CHIP_INFO                      (0x00d8)
+#define RTL838X_SDS4_REG28                     (0xef80)
+#define RTL838X_SDS4_DUMMY0                    (0xef8c)
+#define RTL838X_SDS5_EXT_REG6                  (0xf18c)
+
+/* L2 features */
+#define RTL839X_TBL_ACCESS_L2_CTRL             (0x1180)
+#define RTL839X_TBL_ACCESS_L2_DATA(idx)                (0x1184 + ((idx) << 2))
+#define RTL838X_TBL_ACCESS_CTRL_0              (0x6914)
+#define RTL838X_TBL_ACCESS_DATA_0(idx)         (0x6918 + ((idx) << 2))
+
+/* MAC-side link state handling */
+#define RTL838X_MAC_LINK_STS                   (0xa188)
+#define RTL839X_MAC_LINK_STS                   (0x0390)
+#define RTL930X_MAC_LINK_STS                   (0xCB10)
+#define RTL931X_MAC_LINK_STS                   (0x0ec0)
+
+#define RTL838X_MAC_LINK_SPD_STS               (0xa190)
+#define RTL839X_MAC_LINK_SPD_STS               (0x03a0)
+#define RTL930X_MAC_LINK_SPD_STS               (0xCB18)
+#define RTL931X_MAC_LINK_SPD_STS               (0x0ed0)
+
+#define RTL838X_MAC_LINK_DUP_STS               (0xa19c)
+#define RTL839X_MAC_LINK_DUP_STS               (0x03b0)
+#define RTL930X_MAC_LINK_DUP_STS               (0xCB28)
+#define RTL931X_MAC_LINK_DUP_STS               (0x0ef0)
+
+// TODO: RTL8390_MAC_LINK_MEDIA_STS_ADDR ???
+
+#define RTL838X_MAC_TX_PAUSE_STS               (0xa1a0)
+#define RTL839X_MAC_TX_PAUSE_STS               (0x03b8)
+#define RTL930X_MAC_TX_PAUSE_STS               (0xCB2C)
+#define RTL931X_MAC_TX_PAUSE_STS               (0x0ef8)
+
+#define RTL838X_MAC_RX_PAUSE_STS               (0xa1a4)
+#define RTL839X_MAC_RX_PAUSE_STS               (0xCB30)
+#define RTL930X_MAC_RX_PAUSE_STS               (0xC2F8)
+#define RTL931X_MAC_RX_PAUSE_STS               (0x0f00)
+
+#define RTL838X_EEE_TX_TIMER_GIGA_CTRL         (0xaa04)
+#define RTL838X_EEE_TX_TIMER_GELITE_CTRL       (0xaa08)
+
+#define RTL930X_L2_UNKN_UC_FLD_PMSK            (0x9064)
+
+#define RTL839X_MAC_GLB_CTRL                   (0x02a8)
+#define RTL839X_SCHED_LB_TICK_TKN_CTRL         (0x60f8)
+
+#define RTL838X_L2_TBL_FLUSH_CTRL              (0x3370)
+#define RTL839X_L2_TBL_FLUSH_CTRL              (0x3ba0)
+#define RTL930X_L2_TBL_FLUSH_CTRL              (0x9404)
+#define RTL931X_L2_TBL_FLUSH_CTRL              (0xCD9C)
+
+#define RTL930X_L2_PORT_SABLK_CTRL             (0x905c)
+#define RTL930X_L2_PORT_DABLK_CTRL             (0x9060)
+
+/* MAC link state bits */
+#define FORCE_EN                               (1 << 0)
+#define FORCE_LINK_EN                          (1 << 1)
+#define NWAY_EN                                        (1 << 2)
+#define DUPLX_MODE                             (1 << 3)
+#define TX_PAUSE_EN                            (1 << 6)
+#define RX_PAUSE_EN                            (1 << 7)
+
+/* L2 Notification DMA interface */
+#define RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL        (0x785C)
+#define RTL839X_L2_NOTIFICATION_CTRL           (0x7808)
+#define RTL931X_L2_NTFY_RING_BASE_ADDR         (0x09DC)
+#define RTL931X_L2_NTFY_RING_CUR_ADDR          (0x09E0)
+#define RTL839X_L2_NOTIFICATION_CTRL           (0x7808)
+#define RTL931X_L2_NTFY_CTRL                   (0xCDC8)
+#define RTL838X_L2_CTRL_0                      (0x3200)
+#define RTL839X_L2_CTRL_0                      (0x3800)
+#define RTL930X_L2_CTRL                                (0x8FD8)
+#define RTL931X_L2_CTRL                                (0xC800)
+
+/* TRAPPING to CPU-PORT */
+#define RTL838X_SPCL_TRAP_IGMP_CTRL            (0x6984)
+#define RTL838X_RMA_CTRL_0                     (0x4300)
+#define RTL838X_RMA_CTRL_1                     (0x4304)
+#define RTL839X_RMA_CTRL_0                     (0x1200)
+
+#define RTL839X_SPCL_TRAP_IGMP_CTRL            (0x1058)
+#define RTL839X_RMA_CTRL_1                     (0x1204)
+#define RTL839X_RMA_CTRL_2                     (0x1208)
+#define RTL839X_RMA_CTRL_3                     (0x120C)
+
+#define RTL930X_VLAN_APP_PKT_CTRL              (0xA23C)
+#define RTL930X_RMA_CTRL_0                     (0x9E60)
+#define RTL930X_RMA_CTRL_1                     (0x9E64)
+#define RTL930X_RMA_CTRL_2                     (0x9E68)
+
+#define RTL931X_RMA_CTRL_0                     (0x8800)
+#define RTL931X_RMA_CTRL_1                     (0x8804)
+#define RTL931X_RMA_CTRL_2                     (0x8808)
+
+/* Advanced SMI control for clause 45 PHYs */
+#define RTL930X_SMI_MAC_TYPE_CTRL              (0xCA04)
+#define RTL930X_SMI_PORT24_27_ADDR_CTRL                (0xCB90)
+#define RTL930X_SMI_PORT0_15_POLLING_SEL       (0xCA08)
+#define RTL930X_SMI_PORT16_27_POLLING_SEL      (0xCA0C)
+
+/* Registers of the internal Serdes of the 8390 */
+#define RTL839X_SDS12_13_XSG0                  (0xB800)
+
+/* Registers of the internal Serdes of the 8380 */
+#define RTL838X_SDS4_FIB_REG0                  (0xF800)
+
+inline int rtl838x_mac_port_ctrl(int p)
+{
+       return RTL838X_MAC_PORT_CTRL + (p << 7);
+}
+
+inline int rtl839x_mac_port_ctrl(int p)
+{
+       return RTL839X_MAC_PORT_CTRL + (p << 7);
+}
+
+/* On the RTL931XX, the functionality of the MAC port control register is split up
+ * into RTL931X_MAC_L2_PORT_CTRL and RTL931X_MAC_PORT_CTRL the functionality used
+ * by the Ethernet driver is in the same bits now in RTL931X_MAC_L2_PORT_CTRL
+ */
+
+inline int rtl930x_mac_port_ctrl(int p)
+{
+       return RTL930X_MAC_L2_PORT_CTRL + (p << 6);
+}
+
+inline int rtl931x_mac_port_ctrl(int p)
+{
+       return RTL931X_MAC_L2_PORT_CTRL + (p << 7);
+}
+
+inline int rtl838x_dma_if_rx_ring_size(int i)
+{
+       return RTL838X_DMA_IF_RX_RING_SIZE + ((i >> 3) << 2);
+}
+
+inline int rtl839x_dma_if_rx_ring_size(int i)
+{
+       return RTL839X_DMA_IF_RX_RING_SIZE + ((i >> 3) << 2);
+}
+
+inline int rtl930x_dma_if_rx_ring_size(int i)
+{
+       return RTL930X_DMA_IF_RX_RING_SIZE + ((i / 3) << 2);
+}
+
+inline int rtl931x_dma_if_rx_ring_size(int i)
+{
+       return RTL931X_DMA_IF_RX_RING_SIZE + ((i / 3) << 2);
+}
+
+inline int rtl838x_dma_if_rx_ring_cntr(int i)
+{
+       return RTL838X_DMA_IF_RX_RING_CNTR + ((i >> 3) << 2);
+}
+
+inline int rtl839x_dma_if_rx_ring_cntr(int i)
+{
+       return RTL839X_DMA_IF_RX_RING_CNTR + ((i >> 3) << 2);
+}
+
+inline int rtl930x_dma_if_rx_ring_cntr(int i)
+{
+       return RTL930X_DMA_IF_RX_RING_CNTR + ((i / 3) << 2);
+}
+
+inline int rtl931x_dma_if_rx_ring_cntr(int i)
+{
+       return RTL931X_DMA_IF_RX_RING_CNTR + ((i / 3) << 2);
+}
+
+inline u32 rtl838x_get_mac_link_sts(int port)
+{
+       return (sw_r32(RTL838X_MAC_LINK_STS) & BIT(port));
+}
+
+inline u32 rtl839x_get_mac_link_sts(int p)
+{
+       return (sw_r32(RTL839X_MAC_LINK_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl930x_get_mac_link_sts(int port)
+{
+       return (sw_r32(RTL930X_MAC_LINK_STS) & BIT(port));
+}
+
+inline u32 rtl931x_get_mac_link_sts(int p)
+{
+       return (sw_r32(RTL931X_MAC_LINK_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl838x_get_mac_link_dup_sts(int port)
+{
+       return (sw_r32(RTL838X_MAC_LINK_DUP_STS) & BIT(port));
+}
+
+inline u32 rtl839x_get_mac_link_dup_sts(int p)
+{
+       return (sw_r32(RTL839X_MAC_LINK_DUP_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl930x_get_mac_link_dup_sts(int port)
+{
+       return (sw_r32(RTL930X_MAC_LINK_DUP_STS) & BIT(port));
+}
+
+inline u32 rtl931x_get_mac_link_dup_sts(int p)
+{
+       return (sw_r32(RTL931X_MAC_LINK_DUP_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl838x_get_mac_link_spd_sts(int port)
+{
+       int r = RTL838X_MAC_LINK_SPD_STS + ((port >> 4) << 2);
+       u32 speed = sw_r32(r);
+
+       speed >>= (port % 16) << 1;
+       return (speed & 0x3);
+}
+
+inline u32 rtl839x_get_mac_link_spd_sts(int port)
+{
+       int r = RTL839X_MAC_LINK_SPD_STS + ((port >> 4) << 2);
+       u32 speed = sw_r32(r);
+
+       speed >>= (port % 16) << 1;
+       return (speed & 0x3);
+}
+
+
+inline u32 rtl930x_get_mac_link_spd_sts(int port)
+{
+       int r = RTL930X_MAC_LINK_SPD_STS + ((port / 10) << 2);
+       u32 speed = sw_r32(r);
+
+       speed >>= (port % 10) * 3;
+       return (speed & 0x7);
+}
+
+inline u32 rtl931x_get_mac_link_spd_sts(int port)
+{
+       int r = RTL931X_MAC_LINK_SPD_STS + ((port >> 3) << 2);
+       u32 speed = sw_r32(r);
+
+       speed >>= (port % 8) << 2;
+       return (speed & 0xf);
+}
+
+inline u32 rtl838x_get_mac_rx_pause_sts(int port)
+{
+       return (sw_r32(RTL838X_MAC_RX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_rx_pause_sts(int p)
+{
+       return (sw_r32(RTL839X_MAC_RX_PAUSE_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl930x_get_mac_rx_pause_sts(int port)
+{
+       return (sw_r32(RTL930X_MAC_RX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl931x_get_mac_rx_pause_sts(int p)
+{
+       return (sw_r32(RTL931X_MAC_RX_PAUSE_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl838x_get_mac_tx_pause_sts(int port)
+{
+       return (sw_r32(RTL838X_MAC_TX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_tx_pause_sts(int p)
+{
+       return (sw_r32(RTL839X_MAC_TX_PAUSE_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+inline u32 rtl930x_get_mac_tx_pause_sts(int port)
+{
+       return (sw_r32(RTL930X_MAC_TX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl931x_get_mac_tx_pause_sts(int p)
+{
+       return (sw_r32(RTL931X_MAC_TX_PAUSE_STS + ((p >> 5) << 2)) & BIT(p % 32));
+}
+
+struct p_hdr;
+struct dsa_tag;
+
+struct rtl838x_reg {
+       irqreturn_t (*net_irq)(int irq, void *dev_id);
+       int (*mac_port_ctrl)(int port);
+       int dma_if_intr_sts;
+       int dma_if_intr_msk;
+       int dma_if_intr_rx_runout_sts;
+       int dma_if_intr_rx_done_sts;
+       int dma_if_intr_tx_done_sts;
+       int dma_if_intr_rx_runout_msk;
+       int dma_if_intr_rx_done_msk;
+       int dma_if_intr_tx_done_msk;
+       int l2_ntfy_if_intr_sts;
+       int l2_ntfy_if_intr_msk;
+       int dma_if_ctrl;
+       int mac_force_mode_ctrl;
+       int dma_rx_base;
+       int dma_tx_base;
+       int (*dma_if_rx_ring_size)(int ring);
+       int (*dma_if_rx_ring_cntr)(int ring);
+       int dma_if_rx_cur;
+       int rst_glb_ctrl;
+       u32 (*get_mac_link_sts)(int port);
+       u32 (*get_mac_link_dup_sts)(int port);
+       u32 (*get_mac_link_spd_sts)(int port);
+       u32 (*get_mac_rx_pause_sts)(int port);
+       u32 (*get_mac_tx_pause_sts)(int port);
+       int mac;
+       int l2_tbl_flush_ctrl;
+       void (*update_cntr)(int r, int work_done);
+       void (*create_tx_header)(struct p_hdr *h, int dest_port, int prio);
+       bool (*decode_tag)(struct p_hdr *h, struct dsa_tag *tag);
+};
+
+int rtl838x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl838x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl930x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl930x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl931x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl931x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+void rtl9300_sds_power(int sds_num, int val);
+
+#endif /* _RTL838X_ETH_H */
diff --git a/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c b/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c
new file mode 100644 (file)
index 0000000..3e18722
--- /dev/null
@@ -0,0 +1,1983 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Realtek RTL838X Ethernet MDIO interface driver
+ *
+ * Copyright (C) 2020 B. Koblitz
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/firmware.h>
+#include <linux/crc32.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx-phy.h"
+
+
+extern struct rtl83xx_soc_info soc_info;
+extern struct mutex smi_lock;
+
+/*
+ * This lock protects the state of the SoC automatically polling the PHYs over the SMI
+ * bus to detect e.g. link and media changes. For operations on the PHYs such as
+ * patching or other configuration changes such as EEE, polling needs to be disabled
+ * since otherwise these operations may fails or lead to unpredictable results.
+ */
+DEFINE_MUTEX(poll_lock);
+
+static const struct firmware rtl838x_8380_fw;
+static const struct firmware rtl838x_8214fc_fw;
+static const struct firmware rtl838x_8218b_fw;
+
+int rtl838x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl838x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl839x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl839x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl930x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl930x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl931x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl931x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+
+static int read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{      switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_read_phy(port, page, reg, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_read_phy(port, page, reg, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_read_phy(port, page, reg, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_read_phy(port, page, reg, val);
+       }
+       return -1;
+}
+
+static int write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_write_phy(port, page, reg, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_write_phy(port, page, reg, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_write_phy(port, page, reg, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_write_phy(port, page, reg, val);
+       }
+       return -1;
+}
+
+static int read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
+{
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_read_mmd_phy(port, devnum, regnum, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_read_mmd_phy(port, devnum, regnum, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_read_mmd_phy(port, devnum, regnum, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_read_mmd_phy(port, devnum, regnum, val);
+       }
+       return -1;
+}
+
+int write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val)
+{
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               return rtl838x_write_mmd_phy(port, devnum, reg, val);
+       case RTL8390_FAMILY_ID:
+               return rtl839x_write_mmd_phy(port, devnum, reg, val);
+       case RTL9300_FAMILY_ID:
+               return rtl930x_write_mmd_phy(port, devnum, reg, val);
+       case RTL9310_FAMILY_ID:
+               return rtl931x_write_mmd_phy(port, devnum, reg, val);
+       }
+       return -1;
+}
+
+static u64 disable_polling(int port)
+{
+       u64 saved_state;
+
+       mutex_lock(&poll_lock);
+
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               saved_state = sw_r32(RTL838X_SMI_POLL_CTRL);
+               sw_w32_mask(BIT(port), 0, RTL838X_SMI_POLL_CTRL);
+               break;
+       case RTL8390_FAMILY_ID:
+               saved_state = sw_r32(RTL839X_SMI_PORT_POLLING_CTRL + 4);
+               saved_state <<= 32;
+               saved_state |= sw_r32(RTL839X_SMI_PORT_POLLING_CTRL);
+               sw_w32_mask(BIT(port % 32), 0,
+                           RTL839X_SMI_PORT_POLLING_CTRL + ((port >> 5) << 2));
+               break;
+       case RTL9300_FAMILY_ID:
+               saved_state = sw_r32(RTL930X_SMI_POLL_CTRL);
+               sw_w32_mask(BIT(port), 0, RTL930X_SMI_POLL_CTRL);
+               break;
+       case RTL9310_FAMILY_ID:
+               pr_warn("%s not implemented for RTL931X\n", __func__);
+               break;
+       }
+
+       mutex_unlock(&poll_lock);
+
+       return saved_state;
+}
+
+static int resume_polling(u64 saved_state)
+{
+       mutex_lock(&poll_lock);
+
+       switch (soc_info.family) {
+       case RTL8380_FAMILY_ID:
+               sw_w32(saved_state, RTL838X_SMI_POLL_CTRL);
+               break;
+       case RTL8390_FAMILY_ID:
+               sw_w32(saved_state >> 32, RTL839X_SMI_PORT_POLLING_CTRL + 4);
+               sw_w32(saved_state, RTL839X_SMI_PORT_POLLING_CTRL);
+               break;
+       case RTL9300_FAMILY_ID:
+               sw_w32(saved_state, RTL930X_SMI_POLL_CTRL);
+               break;
+       case RTL9310_FAMILY_ID:
+               pr_warn("%s not implemented for RTL931X\n", __func__);
+               break;
+       }
+
+       mutex_unlock(&poll_lock);
+
+       return 0;
+}
+
+static void rtl8380_int_phy_on_off(int mac, bool on)
+{
+       u32 val;
+
+       read_phy(mac, 0, 0, &val);
+       if (on)
+               write_phy(mac, 0, 0, val & ~BIT(11));
+       else
+               write_phy(mac, 0, 0, val | BIT(11));
+}
+
+static void rtl8380_rtl8214fc_on_off(int mac, bool on)
+{
+       u32 val;
+
+       /* fiber ports */
+       write_phy(mac, 4095, 30, 3);
+       read_phy(mac, 0, 16, &val);
+       if (on)
+               write_phy(mac, 0, 16, val & ~BIT(11));
+       else
+               write_phy(mac, 0, 16, val | BIT(11));
+
+       /* copper ports */
+       write_phy(mac, 4095, 30, 1);
+       read_phy(mac, 0, 16, &val);
+       if (on)
+               write_phy(mac, 0xa40, 16, val & ~BIT(11));
+       else
+               write_phy(mac, 0xa40, 16, val | BIT(11));
+}
+
+static void rtl8380_phy_reset(int mac)
+{
+       u32 val;
+
+       read_phy(mac, 0, 0, &val);
+       write_phy(mac, 0, 0, val | BIT(15));
+}
+
+/*
+ * Reset the SerDes by powering it off and set a new operations mode
+ * of the SerDes. 0x1f is off. Other modes are
+ * 0x01: QSGMII                0x04: 1000BX_FIBER      0x05: FIBER100
+ * 0x06: QSGMII                0x09: RSGMII            0x0d: USXGMII
+ * 0x10: XSGMII                0x12: HISGMII           0x16: 2500Base_X
+ * 0x17: RXAUI_LITE    0x19: RXAUI_PLUS        0x1a: 10G Base-R
+ * 0x1b: 10GR1000BX_AUTO                       0x1f: OFF
+ */
+void rtl9300_sds_rst(int sds_num, u32 mode)
+{
+       // The access registers for SDS_MODE_SEL and the LSB for each SDS within
+       u16 regs[] = { 0x0194, 0x0194, 0x0194, 0x0194, 0x02a0, 0x02a0, 0x02a0, 0x02a0,
+                      0x02A4, 0x02A4, 0x0198, 0x0198 };
+       u8  lsb[]  = { 0, 6, 12, 18, 0, 6, 12, 18, 0, 6, 0, 6};
+
+       pr_info("SerDes: %s %d\n", __func__, mode);
+       if (sds_num < 0 || sds_num > 11) {
+               pr_err("Wrong SerDes number: %d\n", sds_num);
+               return;
+       }
+
+       sw_w32_mask(0x1f << lsb[sds_num], 0x1f << lsb[sds_num], regs[sds_num]);
+       mdelay(10);
+
+       sw_w32_mask(0x1f << lsb[sds_num], mode << lsb[sds_num], regs[sds_num]);
+       mdelay(10);
+
+       pr_info("SDS: 194:%08x 198:%08x 2a0:%08x 2a4:%08x\n",
+               sw_r32(0x194), sw_r32(0x198), sw_r32(0x2a0), sw_r32(0x2a4));
+}
+
+/*
+ * On the RTL839x family of SoCs with inbuilt SerDes, these SerDes are accessed through
+ * a 2048 bit register that holds the contents of the PHY being simulated by the SoC.
+ */
+int rtl839x_read_sds_phy(int phy_addr, int phy_reg)
+{
+       int offset = 0;
+       int reg;
+       u32 val;
+
+       if (phy_addr == 49)
+               offset = 0x100;
+
+       /*
+        * For the RTL8393 internal SerDes, we simulate a PHY ID in registers 2/3
+        * which would otherwise read as 0.
+        */
+       if (soc_info.id == 0x8393) {
+               if (phy_reg == 2)
+                       return 0x1c;
+               if (phy_reg == 3)
+                       return 0x8393;
+       }
+
+       /*
+        * Register RTL839X_SDS12_13_XSG0 is 2048 bit broad, the MSB (bit 15) of the
+        * 0th PHY register is bit 1023 (in byte 0x80). Because PHY-registers are 16
+        * bit broad, we offset by reg << 1. In the SoC 2 registers are stored in
+        * one 32 bit register.
+        */
+       reg = (phy_reg << 1) & 0xfc;
+       val = sw_r32(RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+
+       if (phy_reg & 1)
+               val = (val >> 16) & 0xffff;
+       else
+               val &= 0xffff;
+       return val;
+}
+
+/*
+ * On the RTL930x family of SoCs, the internal SerDes are accessed through an IO
+ * register which simulates commands to an internal MDIO bus.
+ */
+int rtl930x_read_sds_phy(int phy_addr, int page, int phy_reg)
+{
+       int i;
+       u32 cmd = phy_addr << 2 | page << 7 | phy_reg << 13 | 1;
+
+       pr_info("%s: phy_addr %d, phy_reg: %d\n", __func__, phy_addr, phy_reg);
+       sw_w32(cmd, RTL930X_SDS_INDACS_CMD);
+
+       for (i = 0; i < 100; i++) {
+               if (!(sw_r32(RTL930X_SDS_INDACS_CMD) & 0x1))
+                       break;
+               mdelay(1);
+       }
+
+       if (i >= 100)
+               return -EIO;
+
+       pr_info("%s: returning %04x\n", __func__, sw_r32(RTL930X_SDS_INDACS_DATA) & 0xffff);
+       return sw_r32(RTL930X_SDS_INDACS_DATA) & 0xffff;
+}
+
+int rtl930x_write_sds_phy(int phy_addr, int page, int phy_reg, u16 v)
+{
+       int i;
+       u32 cmd;
+
+       sw_w32(v, RTL930X_SDS_INDACS_DATA);
+       cmd = phy_addr << 2 | page << 7 | phy_reg << 13 | 0x3;
+
+       for (i = 0; i < 100; i++) {
+               if (!(sw_r32(RTL930X_SDS_INDACS_CMD) & 0x1))
+                       break;
+               mdelay(1);
+       }
+
+       if (i >= 100)
+               return -EIO;
+
+       return 0;
+}
+
+/*
+ * On the RTL838x SoCs, the internal SerDes is accessed through direct access to
+ * standard PHY registers, where a 32 bit register holds a 16 bit word as found
+ * in a standard page 0 of a PHY
+ */
+int rtl838x_read_sds_phy(int phy_addr, int phy_reg)
+{
+       int offset = 0;
+       u32 val;
+
+       if (phy_addr == 26)
+               offset = 0x100;
+       val = sw_r32(RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2)) & 0xffff;
+
+       return val;
+}
+
+int rtl839x_write_sds_phy(int phy_addr, int phy_reg, u16 v)
+{
+       int offset = 0;
+       int reg;
+       u32 val;
+
+       if (phy_addr == 49)
+               offset = 0x100;
+
+       reg = (phy_reg << 1) & 0xfc;
+       val = v;
+       if (phy_reg & 1) {
+               val = val << 16;
+               sw_w32_mask(0xffff0000, val,
+                           RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+       } else {
+               sw_w32_mask(0xffff, val,
+                           RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+       }
+
+       return 0;
+}
+
+/* Read the link and speed status of the 2 internal SGMII/1000Base-X
+ * ports of the RTL838x SoCs
+ */
+static int rtl8380_read_status(struct phy_device *phydev)
+{
+       int err;
+
+       err = genphy_read_status(phydev);
+
+       if (phydev->link) {
+               phydev->speed = SPEED_1000;
+               phydev->duplex = DUPLEX_FULL;
+       }
+
+       return err;
+}
+
+/* Read the link and speed status of the 2 internal SGMII/1000Base-X
+ * ports of the RTL8393 SoC
+ */
+static int rtl8393_read_status(struct phy_device *phydev)
+{
+       int offset = 0;
+       int err;
+       int phy_addr = phydev->mdio.addr;
+       u32 v;
+
+       err = genphy_read_status(phydev);
+       if (phy_addr == 49)
+               offset = 0x100;
+
+       if (phydev->link) {
+               phydev->speed = SPEED_100;
+               /* Read SPD_RD_00 (bit 13) and SPD_RD_01 (bit 6) out of the internal
+                * PHY registers
+                */
+               v = sw_r32(RTL839X_SDS12_13_XSG0 + offset + 0x80);
+               if (!(v & (1 << 13)) && (v & (1 << 6)))
+                       phydev->speed = SPEED_1000;
+               phydev->duplex = DUPLEX_FULL;
+       }
+
+       return err;
+}
+
+static int rtl8226_read_page(struct phy_device *phydev)
+{
+       return __phy_read(phydev, 0x1f);
+}
+
+static int rtl8226_write_page(struct phy_device *phydev, int page)
+{
+       return __phy_write(phydev, 0x1f, page);
+}
+
+static int rtl8226_read_status(struct phy_device *phydev)
+{
+       int ret = 0, i;
+       u32 val;
+       int port = phydev->mdio.addr;
+
+// TODO: ret = genphy_read_status(phydev);
+//     if (ret < 0) {
+//             pr_info("%s: genphy_read_status failed\n", __func__);
+//             return ret;
+//     }
+
+       // Link status must be read twice
+       for (i = 0; i < 2; i++) {
+               read_mmd_phy(port, MMD_VEND2, 0xA402, &val);
+       }
+       phydev->link = val & BIT(2) ? 1 : 0;
+       if (!phydev->link)
+               goto out;
+
+       // Read duplex status
+       ret = read_mmd_phy(port, MMD_VEND2, 0xA434, &val);
+       if (ret)
+               goto out;
+       phydev->duplex = !!(val & BIT(3));
+
+       // Read speed
+       ret = read_mmd_phy(port, MMD_VEND2, 0xA434, &val);
+       switch (val & 0x0630) {
+       case 0x0000:
+               phydev->speed = SPEED_10;
+               break;
+       case 0x0010:
+               phydev->speed = SPEED_100;
+               break;
+       case 0x0020:
+               phydev->speed = SPEED_1000;
+               break;
+       case 0x0200:
+               phydev->speed = SPEED_10000;
+               break;
+       case 0x0210:
+               phydev->speed = SPEED_2500;
+               break;
+       case 0x0220:
+               phydev->speed = SPEED_5000;
+               break;
+       default:
+               break;
+       }
+out:
+       return ret;
+}
+
+static int rtl8226_advertise_aneg(struct phy_device *phydev)
+{
+       int ret = 0;
+       u32 v;
+       int port = phydev->mdio.addr;
+
+       pr_info("In %s\n", __func__);
+
+       ret = read_mmd_phy(port, MMD_AN, 16, &v);
+       if (ret)
+               goto out;
+
+       v |= BIT(5); // HD 10M
+       v |= BIT(6); // FD 10M
+       v |= BIT(7); // HD 100M
+       v |= BIT(8); // FD 100M
+
+       ret = write_mmd_phy(port, MMD_AN, 16, v);
+
+       // Allow 1GBit
+       ret = read_mmd_phy(port, MMD_VEND2, 0xA412, &v);
+       if (ret)
+               goto out;
+       v |= BIT(9); // FD 1000M
+
+       ret = write_mmd_phy(port, MMD_VEND2, 0xA412, v);
+       if (ret)
+               goto out;
+
+       // Allow 2.5G
+       ret = read_mmd_phy(port, MMD_AN, 32, &v);
+       if (ret)
+               goto out;
+
+       v |= BIT(7);
+       ret = write_mmd_phy(port, MMD_AN, 32, v);
+
+out:
+       return ret;
+}
+
+static int rtl8226_config_aneg(struct phy_device *phydev)
+{
+       int ret = 0;
+       u32 v;
+       int port = phydev->mdio.addr;
+
+       pr_info("In %s\n", __func__);
+       if (phydev->autoneg == AUTONEG_ENABLE) {
+               ret = rtl8226_advertise_aneg(phydev);
+               if (ret)
+                       goto out;
+               // AutoNegotiationEnable
+               ret = read_mmd_phy(port, MMD_AN, 0, &v);
+               if (ret)
+                       goto out;
+
+               v |= BIT(12); // Enable AN
+               ret = write_mmd_phy(port, MMD_AN, 0, v);
+               if (ret)
+                       goto out;
+
+               // RestartAutoNegotiation
+               ret = read_mmd_phy(port, MMD_VEND2, 0xA400, &v);
+               if (ret)
+                       goto out;
+               v |= BIT(9);
+
+               ret = write_mmd_phy(port, MMD_VEND2, 0xA400, v);
+       }
+
+       pr_info("%s: Ret is already: %d\n", __func__, ret);
+//     TODO: ret = __genphy_config_aneg(phydev, ret);
+
+out:
+       pr_info("%s: And ret is now: %d\n", __func__, ret);
+       return ret;
+}
+
+static int rtl8226_get_eee(struct phy_device *phydev,
+                                    struct ethtool_eee *e)
+{
+       u32 val;
+       int addr = phydev->mdio.addr;
+
+       pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+       read_mmd_phy(addr, MMD_AN, 60, &val);
+       if (e->eee_enabled) {
+               e->eee_enabled = !!(val & BIT(1));
+               if (!e->eee_enabled) {
+                       read_mmd_phy(addr, MMD_AN, 62, &val);
+                       e->eee_enabled = !!(val & BIT(0));
+               }
+       }
+       pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+       return 0;
+}
+
+static int rtl8226_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+       int port = phydev->mdio.addr;
+       u64 poll_state;
+       bool an_enabled;
+       u32 val;
+
+       pr_info("In %s, port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+       poll_state = disable_polling(port);
+
+       // Remember aneg state
+       read_mmd_phy(port, MMD_AN, 0, &val);
+       an_enabled = !!(val & BIT(12));
+
+       // Setup 100/1000MBit
+       read_mmd_phy(port, MMD_AN, 60, &val);
+       if (e->eee_enabled)
+               val |= 0x6;
+       else
+               val &= 0x6;
+       write_mmd_phy(port, MMD_AN, 60, val);
+
+       // Setup 2.5GBit
+       read_mmd_phy(port, MMD_AN, 62, &val);
+       if (e->eee_enabled)
+               val |= 0x1;
+       else
+               val &= 0x1;
+       write_mmd_phy(port, MMD_AN, 62, val);
+
+       // RestartAutoNegotiation
+       read_mmd_phy(port, MMD_VEND2, 0xA400, &val);
+       val |= BIT(9);
+       write_mmd_phy(port, MMD_VEND2, 0xA400, val);
+
+       resume_polling(poll_state);
+
+       return 0;
+}
+
+static struct fw_header *rtl838x_request_fw(struct phy_device *phydev,
+                                           const struct firmware *fw,
+                                           const char *name)
+{
+       struct device *dev = &phydev->mdio.dev;
+       int err;
+       struct fw_header *h;
+       uint32_t checksum, my_checksum;
+
+       err = request_firmware(&fw, name, dev);
+       if (err < 0)
+               goto out;
+
+       if (fw->size < sizeof(struct fw_header)) {
+               pr_err("Firmware size too small.\n");
+               err = -EINVAL;
+               goto out;
+       }
+
+       h = (struct fw_header *) fw->data;
+       pr_info("Firmware loaded. Size %d, magic: %08x\n", fw->size, h->magic);
+
+       if (h->magic != 0x83808380) {
+               pr_err("Wrong firmware file: MAGIC mismatch.\n");
+               goto out;
+       }
+
+       checksum = h->checksum;
+       h->checksum = 0;
+       my_checksum = ~crc32(0xFFFFFFFFU, fw->data, fw->size);
+       if (checksum != my_checksum) {
+               pr_err("Firmware checksum mismatch.\n");
+               err = -EINVAL;
+               goto out;
+       }
+       h->checksum = checksum;
+
+       return h;
+out:
+       dev_err(dev, "Unable to load firmware %s (%d)\n", name, err);
+       return NULL;
+}
+
+static int rtl8390_configure_generic(struct phy_device *phydev)
+{
+       u32 val, phy_id;
+       int mac = phydev->mdio.addr;
+
+       read_phy(mac, 0, 2, &val);
+       phy_id = val << 16;
+       read_phy(mac, 0, 3, &val);
+       phy_id |= val;
+       pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+       /* Read internal PHY ID */
+       write_phy(mac, 31, 27, 0x0002);
+       read_phy(mac, 31, 28, &val);
+
+       /* Internal RTL8218B, version 2 */
+       phydev_info(phydev, "Detected unknown %x\n", val);
+       return 0;
+}
+
+static int rtl8380_configure_int_rtl8218b(struct phy_device *phydev)
+{
+       u32 val, phy_id;
+       int i, p, ipd_flag;
+       int mac = phydev->mdio.addr;
+       struct fw_header *h;
+       u32 *rtl838x_6275B_intPhy_perport;
+       u32 *rtl8218b_6276B_hwEsd_perport;
+
+
+       read_phy(mac, 0, 2, &val);
+       phy_id = val << 16;
+       read_phy(mac, 0, 3, &val);
+       phy_id |= val;
+       pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+       /* Read internal PHY ID */
+       write_phy(mac, 31, 27, 0x0002);
+       read_phy(mac, 31, 28, &val);
+       if (val != 0x6275) {
+               phydev_err(phydev, "Expected internal RTL8218B, found PHY-ID %x\n", val);
+               return -1;
+       }
+
+       /* Internal RTL8218B, version 2 */
+       phydev_info(phydev, "Detected internal RTL8218B\n");
+
+       h = rtl838x_request_fw(phydev, &rtl838x_8380_fw, FIRMWARE_838X_8380_1);
+       if (!h)
+               return -1;
+
+       if (h->phy != 0x83800000) {
+               phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+               return -1;
+       }
+
+       rtl838x_6275B_intPhy_perport = (void *)h + sizeof(struct fw_header)
+                       + h->parts[8].start;
+
+       rtl8218b_6276B_hwEsd_perport = (void *)h + sizeof(struct fw_header)
+                       + h->parts[9].start;
+
+       if (sw_r32(RTL838X_DMY_REG31) == 0x1)
+               ipd_flag = 1;
+
+       read_phy(mac, 0, 0, &val);
+       if (val & (1 << 11))
+               rtl8380_int_phy_on_off(mac, true);
+       else
+               rtl8380_phy_reset(mac);
+       msleep(100);
+
+       /* Ready PHY for patch */
+       for (p = 0; p < 8; p++) {
+               write_phy(mac + p, 0xfff, 0x1f, 0x0b82);
+               write_phy(mac + p, 0xfff, 0x10, 0x0010);
+       }
+       msleep(500);
+       for (p = 0; p < 8; p++) {
+               for (i = 0; i < 100 ; i++) {
+                       read_phy(mac + p, 0x0b80, 0x10, &val);
+                       if (val & 0x40)
+                               break;
+               }
+               if (i >= 100) {
+                       phydev_err(phydev,
+                                  "ERROR: Port %d not ready for patch.\n",
+                                  mac + p);
+                       return -1;
+               }
+       }
+       for (p = 0; p < 8; p++) {
+               i = 0;
+               while (rtl838x_6275B_intPhy_perport[i * 2]) {
+                       write_phy(mac + p, 0xfff,
+                               rtl838x_6275B_intPhy_perport[i * 2],
+                               rtl838x_6275B_intPhy_perport[i * 2 + 1]);
+                       i++;
+               }
+               i = 0;
+               while (rtl8218b_6276B_hwEsd_perport[i * 2]) {
+                       write_phy(mac + p, 0xfff,
+                               rtl8218b_6276B_hwEsd_perport[i * 2],
+                               rtl8218b_6276B_hwEsd_perport[i * 2 + 1]);
+                       i++;
+               }
+       }
+       return 0;
+}
+
+static int rtl8380_configure_ext_rtl8218b(struct phy_device *phydev)
+{
+       u32 val, ipd, phy_id;
+       int i, l;
+       int mac = phydev->mdio.addr;
+       struct fw_header *h;
+       u32 *rtl8380_rtl8218b_perchip;
+       u32 *rtl8218B_6276B_rtl8380_perport;
+       u32 *rtl8380_rtl8218b_perport;
+
+       if (soc_info.family == RTL8380_FAMILY_ID && mac != 0 && mac != 16) {
+               phydev_err(phydev, "External RTL8218B must have PHY-IDs 0 or 16!\n");
+               return -1;
+       }
+       read_phy(mac, 0, 2, &val);
+       phy_id = val << 16;
+       read_phy(mac, 0, 3, &val);
+       phy_id |= val;
+       pr_info("Phy on MAC %d: %x\n", mac, phy_id);
+
+       /* Read internal PHY ID */
+       write_phy(mac, 31, 27, 0x0002);
+       read_phy(mac, 31, 28, &val);
+       if (val != 0x6276) {
+               phydev_err(phydev, "Expected external RTL8218B, found PHY-ID %x\n", val);
+               return -1;
+       }
+       phydev_info(phydev, "Detected external RTL8218B\n");
+
+       h = rtl838x_request_fw(phydev, &rtl838x_8218b_fw, FIRMWARE_838X_8218b_1);
+       if (!h)
+               return -1;
+
+       if (h->phy != 0x8218b000) {
+               phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+               return -1;
+       }
+
+       rtl8380_rtl8218b_perchip = (void *)h + sizeof(struct fw_header)
+                       + h->parts[0].start;
+
+       rtl8218B_6276B_rtl8380_perport = (void *)h + sizeof(struct fw_header)
+                       + h->parts[1].start;
+
+       rtl8380_rtl8218b_perport = (void *)h + sizeof(struct fw_header)
+                       + h->parts[2].start;
+
+       read_phy(mac, 0, 0, &val);
+       if (val & (1 << 11))
+               rtl8380_int_phy_on_off(mac, true);
+       else
+               rtl8380_phy_reset(mac);
+       msleep(100);
+
+       /* Get Chip revision */
+       write_phy(mac, 0xfff, 0x1f, 0x0);
+       write_phy(mac,  0xfff, 0x1b, 0x4);
+       read_phy(mac, 0xfff, 0x1c, &val);
+
+       i = 0;
+       while (rtl8380_rtl8218b_perchip[i * 3]
+               && rtl8380_rtl8218b_perchip[i * 3 + 1]) {
+               write_phy(mac + rtl8380_rtl8218b_perchip[i * 3],
+                                         0xfff, rtl8380_rtl8218b_perchip[i * 3 + 1],
+                                         rtl8380_rtl8218b_perchip[i * 3 + 2]);
+               i++;
+       }
+
+       /* Enable PHY */
+       for (i = 0; i < 8; i++) {
+               write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+               write_phy(mac + i, 0xfff, 0x00, 0x1140);
+       }
+       mdelay(100);
+
+       /* Request patch */
+       for (i = 0; i < 8; i++) {
+               write_phy(mac + i,  0xfff, 0x1f, 0x0b82);
+               write_phy(mac + i,  0xfff, 0x10, 0x0010);
+       }
+       mdelay(300);
+
+       /* Verify patch readiness */
+       for (i = 0; i < 8; i++) {
+               for (l = 0; l < 100; l++) {
+                       read_phy(mac + i, 0xb80, 0x10, &val);
+                       if (val & 0x40)
+                               break;
+               }
+               if (l >= 100) {
+                       phydev_err(phydev, "Could not patch PHY\n");
+                       return -1;
+               }
+       }
+
+       /* Use Broadcast ID method for patching */
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0008);
+       write_phy(mac, 0xfff, 0x1f, 0x0266);
+       write_phy(mac, 0xfff, 0x16, 0xff00 + mac);
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0000);
+       mdelay(1);
+
+       write_phy(mac, 0xfff, 30, 8);
+       write_phy(mac, 0x26e, 17, 0xb);
+       write_phy(mac, 0x26e, 16, 0x2);
+       mdelay(1);
+       read_phy(mac, 0x26e, 19, &ipd);
+       write_phy(mac, 0, 30, 0);
+       ipd = (ipd >> 4) & 0xf;
+
+       i = 0;
+       while (rtl8218B_6276B_rtl8380_perport[i * 2]) {
+               write_phy(mac, 0xfff, rtl8218B_6276B_rtl8380_perport[i * 2],
+                                 rtl8218B_6276B_rtl8380_perport[i * 2 + 1]);
+               i++;
+       }
+
+       /*Disable broadcast ID*/
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0008);
+       write_phy(mac, 0xfff, 0x1f, 0x0266);
+       write_phy(mac, 0xfff, 0x16, 0x00 + mac);
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0000);
+       mdelay(1);
+
+       return 0;
+}
+
+static int rtl8218b_ext_match_phy_device(struct phy_device *phydev)
+{
+       int addr = phydev->mdio.addr;
+
+       /* Both the RTL8214FC and the external RTL8218B have the same
+        * PHY ID. On the RTL838x, the RTL8218B can only be attached_dev
+        * at PHY IDs 0-7, while the RTL8214FC must be attached via
+        * the pair of SGMII/1000Base-X with higher PHY-IDs
+        */
+       if (soc_info.family == RTL8380_FAMILY_ID)
+               return phydev->phy_id == PHY_ID_RTL8218B_E && addr < 8;
+       else
+               return phydev->phy_id == PHY_ID_RTL8218B_E;
+}
+
+static int rtl8218b_read_mmd(struct phy_device *phydev,
+                                    int devnum, u16 regnum)
+{
+       int ret;
+       u32 val;
+       int addr = phydev->mdio.addr;
+
+       ret = read_mmd_phy(addr, devnum, regnum, &val);
+       if (ret)
+               return ret;
+       return val;
+}
+
+static int rtl8218b_write_mmd(struct phy_device *phydev,
+                                     int devnum, u16 regnum, u16 val)
+{
+       int addr = phydev->mdio.addr;
+
+       return rtl838x_write_mmd_phy(addr, devnum, regnum, val);
+}
+
+static int rtl8226_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
+{
+       int port = phydev->mdio.addr;  // the SoC translates port addresses to PHY addr
+       int err;
+       u32 val;
+
+       err = read_mmd_phy(port, devnum, regnum, &val);
+       if (err)
+               return err;
+       return val;
+}
+
+static int rtl8226_write_mmd(struct phy_device *phydev, int devnum, u16 regnum, u16 val)
+{
+       int port = phydev->mdio.addr; // the SoC translates port addresses to PHY addr
+
+       return write_mmd_phy(port, devnum, regnum, val);
+}
+
+static void rtl8380_rtl8214fc_media_set(int mac, bool set_fibre)
+{
+       int base = mac - (mac % 4);
+       static int reg[] = {16, 19, 20, 21};
+       int val, media, power;
+
+       pr_info("%s: port %d, set_fibre: %d\n", __func__, mac, set_fibre);
+       write_phy(base, 0xfff, 29, 8);
+       read_phy(base, 0x266, reg[mac % 4], &val);
+
+       media = (val >> 10) & 0x3;
+       pr_info("Current media %x\n", media);
+       if (media & 0x2) {
+               pr_info("Powering off COPPER\n");
+               write_phy(base, 0xfff, 29, 1);
+               /* Ensure power is off */
+               read_phy(base, 0xa40, 16, &power);
+               if (!(power & (1 << 11)))
+                       write_phy(base, 0xa40, 16, power | (1 << 11));
+       } else {
+               pr_info("Powering off FIBRE");
+               write_phy(base, 0xfff, 29, 3);
+               /* Ensure power is off */
+               read_phy(base, 0xa40, 16, &power);
+               if (!(power & (1 << 11)))
+                       write_phy(base, 0xa40, 16, power | (1 << 11));
+       }
+
+       if (set_fibre) {
+               val |= 1 << 10;
+               val &= ~(1 << 11);
+       } else {
+               val |= 1 << 10;
+               val |= 1 << 11;
+       }
+       write_phy(base, 0xfff, 29, 8);
+       write_phy(base, 0x266, reg[mac % 4], val);
+       write_phy(base, 0xfff, 29, 0);
+
+       if (set_fibre) {
+               pr_info("Powering on FIBRE");
+               write_phy(base, 0xfff, 29, 3);
+               /* Ensure power is off */
+               read_phy(base, 0xa40, 16, &power);
+               if (power & (1 << 11))
+                       write_phy(base, 0xa40, 16, power & ~(1 << 11));
+       } else {
+               pr_info("Powering on COPPER\n");
+               write_phy(base, 0xfff, 29, 1);
+               /* Ensure power is off */
+               read_phy(base, 0xa40, 16, &power);
+               if (power & (1 << 11))
+                       write_phy(base, 0xa40, 16, power & ~(1 << 11));
+       }
+
+       write_phy(base, 0xfff, 29, 0);
+}
+
+static bool rtl8380_rtl8214fc_media_is_fibre(int mac)
+{
+       int base = mac - (mac % 4);
+       static int reg[] = {16, 19, 20, 21};
+       u32 val;
+
+       write_phy(base, 0xfff, 29, 8);
+       read_phy(base, 0x266, reg[mac % 4], &val);
+       write_phy(base, 0xfff, 29, 0);
+       if (val & (1 << 11))
+               return false;
+       return true;
+}
+
+static int rtl8214fc_set_port(struct phy_device *phydev, int port)
+{
+       bool is_fibre = (port == PORT_FIBRE ? true : false);
+       int addr = phydev->mdio.addr;
+
+       pr_debug("%s port %d to %d\n", __func__, addr, port);
+
+       rtl8380_rtl8214fc_media_set(addr, is_fibre);
+       return 0;
+}
+
+static int rtl8214fc_get_port(struct phy_device *phydev)
+{
+       int addr = phydev->mdio.addr;
+
+       pr_debug("%s: port %d\n", __func__, addr);
+       if (rtl8380_rtl8214fc_media_is_fibre(addr))
+               return PORT_FIBRE;
+       return PORT_MII;
+}
+
+/*
+ * Enable EEE on the RTL8218B PHYs
+ * The method used is not the preferred way (which would be based on the MAC-EEE state,
+ * but the only way that works since the kernel first enables EEE in the MAC
+ * and then sets up the PHY. The MAC-based approach would require the oppsite.
+ */
+void rtl8218d_eee_set(int port, bool enable)
+{
+       u32 val;
+       bool an_enabled;
+
+       pr_debug("In %s %d, enable %d\n", __func__, port, enable);
+       /* Set GPHY page to copper */
+       write_phy(port, 0xa42, 30, 0x0001);
+
+       read_phy(port, 0, 0, &val);
+       an_enabled = val & BIT(12);
+
+       /* Enable 100M (bit 1) / 1000M (bit 2) EEE */
+       read_mmd_phy(port, 7, 60, &val);
+       val |= BIT(2) | BIT(1);
+       write_mmd_phy(port, 7, 60, enable ? 0x6 : 0);
+
+       /* 500M EEE ability */
+       read_phy(port, 0xa42, 20, &val);
+       if (enable)
+               val |= BIT(7);
+       else
+               val &= ~BIT(7);
+       write_phy(port, 0xa42, 20, val);
+
+       /* Restart AN if enabled */
+       if (an_enabled) {
+               read_phy(port, 0, 0, &val);
+               val |= BIT(9);
+               write_phy(port, 0, 0, val);
+       }
+
+       /* GPHY page back to auto*/
+       write_phy(port, 0xa42, 30, 0);
+}
+
+static int rtl8218b_get_eee(struct phy_device *phydev,
+                                    struct ethtool_eee *e)
+{
+       u32 val;
+       int addr = phydev->mdio.addr;
+
+       pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+       /* Set GPHY page to copper */
+       write_phy(addr, 0xa42, 29, 0x0001);
+
+       read_phy(addr, 7, 60, &val);
+       if (e->eee_enabled) {
+               // Verify vs MAC-based EEE
+               e->eee_enabled = !!(val & BIT(7));
+               if (!e->eee_enabled) {
+                       read_phy(addr, 0x0A43, 25, &val);
+                       e->eee_enabled = !!(val & BIT(4));
+               }
+       }
+       pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+       /* GPHY page to auto */
+       write_phy(addr, 0xa42, 29, 0x0000);
+
+       return 0;
+}
+
+static int rtl8218d_get_eee(struct phy_device *phydev,
+                                    struct ethtool_eee *e)
+{
+       u32 val;
+       int addr = phydev->mdio.addr;
+
+       pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+       /* Set GPHY page to copper */
+       write_phy(addr, 0xa42, 30, 0x0001);
+
+       read_phy(addr, 7, 60, &val);
+       if (e->eee_enabled)
+               e->eee_enabled = !!(val & BIT(7));
+       pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+       /* GPHY page to auto */
+       write_phy(addr, 0xa42, 30, 0x0000);
+
+       return 0;
+}
+
+static int rtl8214fc_set_eee(struct phy_device *phydev,
+                                    struct ethtool_eee *e)
+{
+       u32 poll_state;
+       int port = phydev->mdio.addr;
+       bool an_enabled;
+       u32 val;
+
+       pr_debug("In %s port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+       if (rtl8380_rtl8214fc_media_is_fibre(port)) {
+               netdev_err(phydev->attached_dev, "Port %d configured for FIBRE", port);
+               return -ENOTSUPP;
+       }
+
+       poll_state = disable_polling(port);
+
+       /* Set GPHY page to copper */
+       write_phy(port, 0xa42, 29, 0x0001);
+
+       // Get auto-negotiation status
+       read_phy(port, 0, 0, &val);
+       an_enabled = val & BIT(12);
+
+       pr_info("%s: aneg: %d\n", __func__, an_enabled);
+       read_phy(port, 0x0A43, 25, &val);
+       val &= ~BIT(5);  // Use MAC-based EEE
+       write_phy(port, 0x0A43, 25, val);
+
+       /* Enable 100M (bit 1) / 1000M (bit 2) EEE */
+       write_phy(port, 7, 60, e->eee_enabled ? 0x6 : 0);
+
+       /* 500M EEE ability */
+       read_phy(port, 0xa42, 20, &val);
+       if (e->eee_enabled)
+               val |= BIT(7);
+       else
+               val &= ~BIT(7);
+       write_phy(port, 0xa42, 20, val);
+
+       /* Restart AN if enabled */
+       if (an_enabled) {
+               pr_info("%s: doing aneg\n", __func__);
+               read_phy(port, 0, 0, &val);
+               val |= BIT(9);
+               write_phy(port, 0, 0, val);
+       }
+
+       /* GPHY page back to auto*/
+       write_phy(port, 0xa42, 29, 0);
+
+       resume_polling(poll_state);
+
+       return 0;
+}
+
+static int rtl8214fc_get_eee(struct phy_device *phydev,
+                                     struct ethtool_eee *e)
+{
+       int addr = phydev->mdio.addr;
+
+       pr_debug("In %s port %d, enabled %d\n", __func__, addr, e->eee_enabled);
+       if (rtl8380_rtl8214fc_media_is_fibre(addr)) {
+               netdev_err(phydev->attached_dev, "Port %d configured for FIBRE", addr);
+               return -ENOTSUPP;
+       }
+
+       return rtl8218b_get_eee(phydev, e);
+}
+
+static int rtl8218b_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+       int port = phydev->mdio.addr;
+       u64 poll_state;
+       u32 val;
+       bool an_enabled;
+
+       pr_info("In %s, port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+       poll_state = disable_polling(port);
+
+       /* Set GPHY page to copper */
+       write_phy(port, 0, 30, 0x0001);
+       read_phy(port, 0, 0, &val);
+       an_enabled = val & BIT(12);
+
+       if (e->eee_enabled) {
+               /* 100/1000M EEE Capability */
+               write_phy(port, 0, 13, 0x0007);
+               write_phy(port, 0, 14, 0x003C);
+               write_phy(port, 0, 13, 0x4007);
+               write_phy(port, 0, 14, 0x0006);
+
+               read_phy(port, 0x0A43, 25, &val);
+               val |= BIT(4);
+               write_phy(port, 0x0A43, 25, val);
+       } else {
+               /* 100/1000M EEE Capability */
+               write_phy(port, 0, 13, 0x0007);
+               write_phy(port, 0, 14, 0x003C);
+               write_phy(port, 0, 13, 0x0007);
+               write_phy(port, 0, 14, 0x0000);
+
+               read_phy(port, 0x0A43, 25, &val);
+               val &= ~BIT(4);
+               write_phy(port, 0x0A43, 25, val);
+       }
+
+       /* Restart AN if enabled */
+       if (an_enabled) {
+               read_phy(port, 0, 0, &val);
+               val |= BIT(9);
+               write_phy(port, 0, 0, val);
+       }
+
+       /* GPHY page back to auto*/
+       write_phy(port, 0xa42, 30, 0);
+
+       pr_info("%s done\n", __func__);
+       resume_polling(poll_state);
+
+       return 0;
+}
+
+static int rtl8218d_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+       int addr = phydev->mdio.addr;
+       u64 poll_state;
+
+       pr_info("In %s, port %d, enabled %d\n", __func__, addr, e->eee_enabled);
+
+       poll_state = disable_polling(addr);
+
+       rtl8218d_eee_set(addr, (bool) e->eee_enabled);
+
+       resume_polling(poll_state);
+
+       return 0;
+}
+
+static int rtl8214c_match_phy_device(struct phy_device *phydev)
+{
+       return phydev->phy_id == PHY_ID_RTL8214C;
+}
+
+static int rtl8380_configure_rtl8214c(struct phy_device *phydev)
+{
+       u32 phy_id, val;
+       int mac = phydev->mdio.addr;
+
+       read_phy(mac, 0, 2, &val);
+       phy_id = val << 16;
+       read_phy(mac, 0, 3, &val);
+       phy_id |= val;
+       pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+       phydev_info(phydev, "Detected external RTL8214C\n");
+
+       /* GPHY auto conf */
+       write_phy(mac, 0xa42, 29, 0);
+       return 0;
+}
+
+static int rtl8380_configure_rtl8214fc(struct phy_device *phydev)
+{
+       u32 phy_id, val, page = 0;
+       int i, l;
+       int mac = phydev->mdio.addr;
+       struct fw_header *h;
+       u32 *rtl8380_rtl8214fc_perchip;
+       u32 *rtl8380_rtl8214fc_perport;
+
+       read_phy(mac, 0, 2, &val);
+       phy_id = val << 16;
+       read_phy(mac, 0, 3, &val);
+       phy_id |= val;
+       pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+       /* Read internal PHY id */
+       write_phy(mac, 0, 30, 0x0001);
+       write_phy(mac, 0, 31, 0x0a42);
+       write_phy(mac, 31, 27, 0x0002);
+       read_phy(mac, 31, 28, &val);
+       if (val != 0x6276) {
+               phydev_err(phydev, "Expected external RTL8214FC, found PHY-ID %x\n", val);
+               return -1;
+       }
+       phydev_info(phydev, "Detected external RTL8214FC\n");
+
+       h = rtl838x_request_fw(phydev, &rtl838x_8214fc_fw, FIRMWARE_838X_8214FC_1);
+       if (!h)
+               return -1;
+
+       if (h->phy != 0x8214fc00) {
+               phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+               return -1;
+       }
+
+       rtl8380_rtl8214fc_perchip = (void *)h + sizeof(struct fw_header)
+                  + h->parts[0].start;
+
+       rtl8380_rtl8214fc_perport = (void *)h + sizeof(struct fw_header)
+                  + h->parts[1].start;
+
+       /* detect phy version */
+       write_phy(mac, 0xfff, 27, 0x0004);
+       read_phy(mac, 0xfff, 28, &val);
+
+       read_phy(mac, 0, 16, &val);
+       if (val & (1 << 11))
+               rtl8380_rtl8214fc_on_off(mac, true);
+       else
+               rtl8380_phy_reset(mac);
+
+       msleep(100);
+       write_phy(mac, 0, 30, 0x0001);
+
+       i = 0;
+       while (rtl8380_rtl8214fc_perchip[i * 3]
+              && rtl8380_rtl8214fc_perchip[i * 3 + 1]) {
+               if (rtl8380_rtl8214fc_perchip[i * 3 + 1] == 0x1f)
+                       page = rtl8380_rtl8214fc_perchip[i * 3 + 2];
+               if (rtl8380_rtl8214fc_perchip[i * 3 + 1] == 0x13 && page == 0x260) {
+                       read_phy(mac + rtl8380_rtl8214fc_perchip[i * 3], 0x260, 13, &val);
+                       val = (val & 0x1f00) | (rtl8380_rtl8214fc_perchip[i * 3 + 2]
+                               & 0xe0ff);
+                       write_phy(mac + rtl8380_rtl8214fc_perchip[i * 3],
+                                         0xfff, rtl8380_rtl8214fc_perchip[i * 3 + 1], val);
+               } else {
+                       write_phy(mac + rtl8380_rtl8214fc_perchip[i * 3],
+                                         0xfff, rtl8380_rtl8214fc_perchip[i * 3 + 1],
+                                         rtl8380_rtl8214fc_perchip[i * 3 + 2]);
+               }
+               i++;
+       }
+
+       /* Force copper medium */
+       for (i = 0; i < 4; i++) {
+               write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+               write_phy(mac + i, 0xfff, 0x1e, 0x0001);
+       }
+
+       /* Enable PHY */
+       for (i = 0; i < 4; i++) {
+               write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+               write_phy(mac + i, 0xfff, 0x00, 0x1140);
+       }
+       mdelay(100);
+
+       /* Disable Autosensing */
+       for (i = 0; i < 4; i++) {
+               for (l = 0; l < 100; l++) {
+                       read_phy(mac + i, 0x0a42, 0x10, &val);
+                       if ((val & 0x7) >= 3)
+                               break;
+               }
+               if (l >= 100) {
+                       phydev_err(phydev, "Could not disable autosensing\n");
+                       return -1;
+               }
+       }
+
+       /* Request patch */
+       for (i = 0; i < 4; i++) {
+               write_phy(mac + i,  0xfff, 0x1f, 0x0b82);
+               write_phy(mac + i,  0xfff, 0x10, 0x0010);
+       }
+       mdelay(300);
+
+       /* Verify patch readiness */
+       for (i = 0; i < 4; i++) {
+               for (l = 0; l < 100; l++) {
+                       read_phy(mac + i, 0xb80, 0x10, &val);
+                       if (val & 0x40)
+                               break;
+               }
+               if (l >= 100) {
+                       phydev_err(phydev, "Could not patch PHY\n");
+                       return -1;
+               }
+       }
+
+       /* Use Broadcast ID method for patching */
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0008);
+       write_phy(mac, 0xfff, 0x1f, 0x0266);
+       write_phy(mac, 0xfff, 0x16, 0xff00 + mac);
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0000);
+       mdelay(1);
+
+       i = 0;
+       while (rtl8380_rtl8214fc_perport[i * 2]) {
+               write_phy(mac, 0xfff, rtl8380_rtl8214fc_perport[i * 2],
+                                 rtl8380_rtl8214fc_perport[i * 2 + 1]);
+               i++;
+       }
+
+       /*Disable broadcast ID*/
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0008);
+       write_phy(mac, 0xfff, 0x1f, 0x0266);
+       write_phy(mac, 0xfff, 0x16, 0x00 + mac);
+       write_phy(mac, 0xfff, 0x1f, 0x0000);
+       write_phy(mac, 0xfff, 0x1d, 0x0000);
+       mdelay(1);
+
+       /* Auto medium selection */
+       for (i = 0; i < 4; i++) {
+               write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+               write_phy(mac + i, 0xfff, 0x1e, 0x0000);
+       }
+
+       return 0;
+}
+
+static int rtl8214fc_match_phy_device(struct phy_device *phydev)
+{
+       int addr = phydev->mdio.addr;
+
+       return phydev->phy_id == PHY_ID_RTL8214FC && addr >= 24;
+}
+
+static int rtl8380_configure_serdes(struct phy_device *phydev)
+{
+       u32 v;
+       u32 sds_conf_value;
+       int i;
+       struct fw_header *h;
+       u32 *rtl8380_sds_take_reset;
+       u32 *rtl8380_sds_common;
+       u32 *rtl8380_sds01_qsgmii_6275b;
+       u32 *rtl8380_sds23_qsgmii_6275b;
+       u32 *rtl8380_sds4_fiber_6275b;
+       u32 *rtl8380_sds5_fiber_6275b;
+       u32 *rtl8380_sds_reset;
+       u32 *rtl8380_sds_release_reset;
+
+       phydev_info(phydev, "Detected internal RTL8380 SERDES\n");
+
+       h = rtl838x_request_fw(phydev, &rtl838x_8218b_fw, FIRMWARE_838X_8380_1);
+       if (!h)
+               return -1;
+
+       if (h->magic != 0x83808380) {
+               phydev_err(phydev, "Wrong firmware file: magic number mismatch.\n");
+               return -1;
+       }
+
+       rtl8380_sds_take_reset = (void *)h + sizeof(struct fw_header)
+                  + h->parts[0].start;
+
+       rtl8380_sds_common = (void *)h + sizeof(struct fw_header)
+                  + h->parts[1].start;
+
+       rtl8380_sds01_qsgmii_6275b = (void *)h + sizeof(struct fw_header)
+                  + h->parts[2].start;
+
+       rtl8380_sds23_qsgmii_6275b = (void *)h + sizeof(struct fw_header)
+                  + h->parts[3].start;
+
+       rtl8380_sds4_fiber_6275b = (void *)h + sizeof(struct fw_header)
+                  + h->parts[4].start;
+
+       rtl8380_sds5_fiber_6275b = (void *)h + sizeof(struct fw_header)
+                  + h->parts[5].start;
+
+       rtl8380_sds_reset = (void *)h + sizeof(struct fw_header)
+                  + h->parts[6].start;
+
+       rtl8380_sds_release_reset = (void *)h + sizeof(struct fw_header)
+                  + h->parts[7].start;
+
+       /* Back up serdes power off value */
+       sds_conf_value = sw_r32(RTL838X_SDS_CFG_REG);
+       pr_info("SDS power down value: %x\n", sds_conf_value);
+
+       /* take serdes into reset */
+       i = 0;
+       while (rtl8380_sds_take_reset[2 * i]) {
+               sw_w32(rtl8380_sds_take_reset[2 * i + 1], rtl8380_sds_take_reset[2 * i]);
+               i++;
+               udelay(1000);
+       }
+
+       /* apply common serdes patch */
+       i = 0;
+       while (rtl8380_sds_common[2 * i]) {
+               sw_w32(rtl8380_sds_common[2 * i + 1], rtl8380_sds_common[2 * i]);
+               i++;
+               udelay(1000);
+       }
+
+       /* internal R/W enable */
+       sw_w32(3, RTL838X_INT_RW_CTRL);
+
+       /* SerDes ports 4 and 5 are FIBRE ports */
+       sw_w32_mask(0x7 | 0x38, 1 | (1 << 3), RTL838X_INT_MODE_CTRL);
+
+       /* SerDes module settings, SerDes 0-3 are QSGMII */
+       v = 0x6 << 25 | 0x6 << 20 | 0x6 << 15 | 0x6 << 10;
+       /* SerDes 4 and 5 are 1000BX FIBRE */
+       v |= 0x4 << 5 | 0x4;
+       sw_w32(v, RTL838X_SDS_MODE_SEL);
+
+       pr_info("PLL control register: %x\n", sw_r32(RTL838X_PLL_CML_CTRL));
+       sw_w32_mask(0xfffffff0, 0xaaaaaaaf & 0xf, RTL838X_PLL_CML_CTRL);
+       i = 0;
+       while (rtl8380_sds01_qsgmii_6275b[2 * i]) {
+               sw_w32(rtl8380_sds01_qsgmii_6275b[2 * i + 1],
+                       rtl8380_sds01_qsgmii_6275b[2 * i]);
+               i++;
+       }
+
+       i = 0;
+       while (rtl8380_sds23_qsgmii_6275b[2 * i]) {
+               sw_w32(rtl8380_sds23_qsgmii_6275b[2 * i + 1], rtl8380_sds23_qsgmii_6275b[2 * i]);
+               i++;
+       }
+
+       i = 0;
+       while (rtl8380_sds4_fiber_6275b[2 * i]) {
+               sw_w32(rtl8380_sds4_fiber_6275b[2 * i + 1], rtl8380_sds4_fiber_6275b[2 * i]);
+               i++;
+       }
+
+       i = 0;
+       while (rtl8380_sds5_fiber_6275b[2 * i]) {
+               sw_w32(rtl8380_sds5_fiber_6275b[2 * i + 1], rtl8380_sds5_fiber_6275b[2 * i]);
+               i++;
+       }
+
+       i = 0;
+       while (rtl8380_sds_reset[2 * i]) {
+               sw_w32(rtl8380_sds_reset[2 * i + 1], rtl8380_sds_reset[2 * i]);
+               i++;
+       }
+
+       i = 0;
+       while (rtl8380_sds_release_reset[2 * i]) {
+               sw_w32(rtl8380_sds_release_reset[2 * i + 1], rtl8380_sds_release_reset[2 * i]);
+               i++;
+       }
+
+       pr_info("SDS power down value now: %x\n", sw_r32(RTL838X_SDS_CFG_REG));
+       sw_w32(sds_conf_value, RTL838X_SDS_CFG_REG);
+
+       pr_info("Configuration of SERDES done\n");
+       return 0;
+}
+
+static int rtl8390_configure_serdes(struct phy_device *phydev)
+{
+       phydev_info(phydev, "Detected internal RTL8390 SERDES\n");
+
+       /* In autoneg state, force link, set SR4_CFG_EN_LINK_FIB1G */
+       sw_w32_mask(0, 1 << 18, RTL839X_SDS12_13_XSG0 + 0x0a);
+
+       /* Disable EEE: Clear FRE16_EEE_RSG_FIB1G, FRE16_EEE_STD_FIB1G,
+        * FRE16_C1_PWRSAV_EN_FIB1G, FRE16_C2_PWRSAV_EN_FIB1G
+        * and FRE16_EEE_QUIET_FIB1G
+        */
+       sw_w32_mask(0x1f << 10, 0, RTL839X_SDS12_13_XSG0 + 0xe0);
+
+       return 0;
+}
+
+int rtl9300_configure_serdes(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       int phy_addr = phydev->mdio.addr;
+       int sds_num = 0;
+       int v;
+
+       phydev_info(phydev, "Configuring internal RTL9300 SERDES\n");
+
+       switch (phy_addr) {
+       case 26:
+               sds_num = 8;
+               break;
+       case 27:
+               sds_num = 9;
+               break;
+       default:
+               dev_err(dev, "Not a SerDes PHY\n");
+               return -EINVAL;
+       }
+
+       /* Set default Medium to fibre */
+       v = rtl930x_read_sds_phy(sds_num, 0x1f, 11);
+       if (v < 0) {
+               dev_err(dev, "Cannot access SerDes PHY %d\n", phy_addr);
+               return -EINVAL;
+       }
+       v |= BIT(2);
+       rtl930x_write_sds_phy(sds_num, 0x1f, 11, v);
+
+       // TODO: this needs to be configurable via ethtool/.dts
+       pr_info("Setting 10G/1000BX auto fibre medium\n");
+       rtl9300_sds_rst(sds_num, 0x1b);
+
+       // TODO: Apply patch set for fibre type
+
+       return 0;
+}
+
+static int rtl8214fc_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       /* 839x has internal SerDes */
+       if (soc_info.id == 0x8393)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8214FC";
+
+       /* All base addresses of the PHYs start at multiples of 8 */
+       if (!(addr % 8)) {
+               /* Configuration must be done whil patching still possible */
+               return rtl8380_configure_rtl8214fc(phydev);
+       }
+       return 0;
+}
+
+static int rtl8214c_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8214C";
+
+       /* All base addresses of the PHYs start at multiples of 8 */
+       if (!(addr % 8)) {
+               /* Configuration must be done whil patching still possible */
+               return rtl8380_configure_rtl8214c(phydev);
+       }
+       return 0;
+}
+
+static int rtl8218b_ext_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8218B (external)";
+
+       /* All base addresses of the PHYs start at multiples of 8 */
+       if (!(addr % 8) && soc_info.family == RTL8380_FAMILY_ID) {
+               /* Configuration must be done while patching still possible */
+               return rtl8380_configure_ext_rtl8218b(phydev);
+       }
+       return 0;
+}
+
+static int rtl8218b_int_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       if (soc_info.family != RTL8380_FAMILY_ID)
+               return -ENODEV;
+       if (addr >= 24)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8218B (internal)";
+
+       /* All base addresses of the PHYs start at multiples of 8 */
+       if (!(addr % 8)) {
+               /* Configuration must be done while patching still possible */
+               return rtl8380_configure_int_rtl8218b(phydev);
+       }
+       return 0;
+}
+
+static int rtl8218d_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       pr_info("%s: id: %d\n", __func__, addr);
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8218D";
+
+       /* All base addresses of the PHYs start at multiples of 8 */
+       if (!(addr % 8)) {
+               /* Configuration must be done while patching still possible */
+// TODO:               return configure_rtl8218d(phydev);
+       }
+       return 0;
+}
+
+static int rtl8226_phy_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       pr_info("%s: id: %d\n", __func__, addr);
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8226";
+
+       return 0;
+}
+
+static int rtl838x_serdes_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       if (soc_info.family != RTL8380_FAMILY_ID)
+               return -ENODEV;
+       if (addr < 24)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8380 Serdes";
+
+       /* On the RTL8380M, PHYs 24-27 connect to the internal SerDes */
+       if (soc_info.id == 0x8380) {
+               if (addr == 24)
+                       return rtl8380_configure_serdes(phydev);
+               return 0;
+       }
+       return -ENODEV;
+}
+
+static int rtl8393_serdes_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       pr_info("%s: id: %d\n", __func__, addr);
+       if (soc_info.family != RTL8390_FAMILY_ID)
+               return -ENODEV;
+
+       if (addr < 24)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8393 Serdes";
+       return rtl8390_configure_serdes(phydev);
+}
+
+static int rtl8390_serdes_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       if (soc_info.family != RTL8390_FAMILY_ID)
+               return -ENODEV;
+
+       if (addr < 24)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL8390 Serdes";
+       return rtl8390_configure_generic(phydev);
+}
+
+static int rtl9300_serdes_probe(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->mdio.dev;
+       struct rtl838x_phy_priv *priv;
+       int addr = phydev->mdio.addr;
+
+       if (soc_info.family != RTL9300_FAMILY_ID)
+               return -ENODEV;
+
+       if (addr < 24)
+               return -ENODEV;
+
+       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->name = "RTL9300 Serdes";
+       return rtl9300_configure_serdes(phydev);
+}
+
+static struct phy_driver rtl83xx_phy_driver[] = {
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8214C),
+               .name           = "Realtek RTL8214C",
+               .features       = PHY_GBIT_FEATURES,
+               .match_phy_device = rtl8214c_match_phy_device,
+               .probe          = rtl8214c_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8214FC),
+               .name           = "Realtek RTL8214FC",
+               .features       = PHY_GBIT_FIBRE_FEATURES,
+               .match_phy_device = rtl8214fc_match_phy_device,
+               .probe          = rtl8214fc_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_mmd       = rtl8218b_read_mmd,
+               .write_mmd      = rtl8218b_write_mmd,
+               .set_port       = rtl8214fc_set_port,
+               .get_port       = rtl8214fc_get_port,
+               .set_eee        = rtl8214fc_set_eee,
+               .get_eee        = rtl8214fc_get_eee,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_E),
+               .name           = "Realtek RTL8218B (external)",
+               .features       = PHY_GBIT_FEATURES,
+               .match_phy_device = rtl8218b_ext_match_phy_device,
+               .probe          = rtl8218b_ext_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_mmd       = rtl8218b_read_mmd,
+               .write_mmd      = rtl8218b_write_mmd,
+               .set_eee        = rtl8218b_set_eee,
+               .get_eee        = rtl8218b_get_eee,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8218D),
+               .name           = "REALTEK RTL8218D",
+               .features       = PHY_GBIT_FEATURES,
+               .probe          = rtl8218d_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .set_eee        = rtl8218d_set_eee,
+               .get_eee        = rtl8218d_get_eee,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8226),
+               .name           = "REALTEK RTL8226",
+               .features       = PHY_GBIT_FEATURES,
+               .probe          = rtl8226_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_mmd       = rtl8226_read_mmd,
+               .write_mmd      = rtl8226_write_mmd,
+               .read_page      = rtl8226_read_page,
+               .write_page     = rtl8226_write_page,
+               .read_status    = rtl8226_read_status,
+               .config_aneg    = rtl8226_config_aneg,
+               .set_eee        = rtl8226_set_eee,
+               .get_eee        = rtl8226_get_eee,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_I),
+               .name           = "Realtek RTL8218B (internal)",
+               .features       = PHY_GBIT_FEATURES,
+               .probe          = rtl8218b_int_phy_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_mmd       = rtl8218b_read_mmd,
+               .write_mmd      = rtl8218b_write_mmd,
+               .set_eee        = rtl8218b_set_eee,
+               .get_eee        = rtl8218b_get_eee,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_I),
+               .name           = "Realtek RTL8380 SERDES",
+               .features       = PHY_GBIT_FIBRE_FEATURES,
+               .probe          = rtl838x_serdes_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_mmd       = rtl8218b_read_mmd,
+               .write_mmd      = rtl8218b_write_mmd,
+               .read_status    = rtl8380_read_status,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8393_I),
+               .name           = "Realtek RTL8393 SERDES",
+               .features       = PHY_GBIT_FIBRE_FEATURES,
+               .probe          = rtl8393_serdes_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+               .read_status    = rtl8393_read_status,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL8390_GENERIC),
+               .name           = "Realtek RTL8390 Generic",
+               .features       = PHY_GBIT_FIBRE_FEATURES,
+               .probe          = rtl8390_serdes_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+       },
+       {
+               PHY_ID_MATCH_MODEL(PHY_ID_RTL9300_I),
+               .name           = "REALTEK RTL9300 SERDES",
+               .features       = PHY_GBIT_FIBRE_FEATURES,
+               .probe          = rtl9300_serdes_probe,
+               .suspend        = genphy_suspend,
+               .resume         = genphy_resume,
+               .set_loopback   = genphy_loopback,
+       },
+};
+
+module_phy_driver(rtl83xx_phy_driver);
+
+static struct mdio_device_id __maybe_unused rtl83xx_tbl[] = {
+       { PHY_ID_MATCH_MODEL(PHY_ID_RTL8214FC) },
+       { }
+};
+
+MODULE_DEVICE_TABLE(mdio, rtl83xx_tbl);
+
+MODULE_AUTHOR("B. Koblitz");
+MODULE_DESCRIPTION("RTL83xx PHY driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.h b/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.h
new file mode 100644 (file)
index 0000000..031ec8a
--- /dev/null
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+// TODO: not really used
+struct rtl838x_phy_priv {
+       char *name;
+};
+
+struct __attribute__ ((__packed__)) part {
+       uint16_t start;
+       uint8_t wordsize;
+       uint8_t words;
+};
+
+struct __attribute__ ((__packed__)) fw_header {
+       uint32_t magic;
+       uint32_t phy;
+       uint32_t checksum;
+       uint32_t version;
+       struct part parts[10];
+};
+
+// TODO: fixed path?
+#define FIRMWARE_838X_8380_1   "rtl838x_phy/rtl838x_8380.fw"
+#define FIRMWARE_838X_8214FC_1 "rtl838x_phy/rtl838x_8214fc.fw"
+#define FIRMWARE_838X_8218b_1  "rtl838x_phy/rtl838x_8218b.fw"
+
+/* External RTL8218B and RTL8214FC IDs are identical */
+#define PHY_ID_RTL8214C                0x001cc942
+#define PHY_ID_RTL8214FC       0x001cc981
+#define PHY_ID_RTL8218B_E      0x001cc981
+#define PHY_ID_RTL8218D                0x001cc983
+#define PHY_ID_RTL8218B_I      0x001cca40
+#define PHY_ID_RTL8226         0x001cc838
+#define PHY_ID_RTL8390_GENERIC 0x001ccab0
+#define PHY_ID_RTL8393_I       0x001c8393
+#define PHY_ID_RTL9300_I       0x70d03106
+
+// PHY MMD devices
+#define MMD_AN         7
+#define MMD_VEND2      31
+
+/* Registers of the internal Serdes of the 8380 */
+#define RTL838X_SDS_MODE_SEL                   (0x0028)
+#define RTL838X_SDS_CFG_REG                    (0x0034)
+#define RTL838X_INT_MODE_CTRL                  (0x005c)
+#define RTL838X_DMY_REG31                      (0x3b28)
+
+#define RTL8380_SDS4_FIB_REG0                  (0xF800)
+#define RTL838X_SDS4_REG28                     (0xef80)
+#define RTL838X_SDS4_DUMMY0                    (0xef8c)
+#define RTL838X_SDS5_EXT_REG6                  (0xf18c)
+#define RTL838X_SDS4_FIB_REG0                  (RTL838X_SDS4_REG28 + 0x880)
+#define RTL838X_SDS5_FIB_REG0                  (RTL838X_SDS4_REG28 + 0x980)
+
+/* Registers of the internal SerDes of the RTL8390 */
+#define RTL839X_SDS12_13_XSG0                  (0xB800)
+
+/* Registers of the internal Serdes of the 9300 */
+#define RTL930X_SDS_INDACS_CMD                 (0x03B0)
+#define RTL930X_SDS_INDACS_DATA                        (0x03B4)
diff --git a/target/linux/realtek/patches-5.10/300-mips-add-rtl838x-platform.patch b/target/linux/realtek/patches-5.10/300-mips-add-rtl838x-platform.patch
new file mode 100644 (file)
index 0000000..ecc77b2
--- /dev/null
@@ -0,0 +1,39 @@
+--- a/arch/mips/Kbuild.platforms
++++ b/arch/mips/Kbuild.platforms
+@@ -27,6 +27,7 @@ platforms += pistachio
+ platforms += pmcs-msp71xx
+ platforms += pnx833x
+ platforms += ralink
++platforms += rtl838x
+ platforms += rb532
+ platforms += sgi-ip22
+ platforms += sgi-ip27
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -631,6 +631,26 @@ config RALINK
+       select ARCH_HAS_RESET_CONTROLLER
+       select RESET_CONTROLLER
++config RTL838X
++      bool "Realtek based platforms"
++      select DMA_NONCOHERENT
++      select IRQ_MIPS_CPU
++      select CSRC_R4K
++      select CEVT_R4K
++      select SYS_HAS_CPU_MIPS32_R1
++      select SYS_HAS_CPU_MIPS32_R2
++      select SYS_SUPPORTS_BIG_ENDIAN
++      select SYS_SUPPORTS_32BIT_KERNEL
++      select SYS_SUPPORTS_MIPS16
++      select SYS_HAS_EARLY_PRINTK
++      select SYS_HAS_EARLY_PRINTK_8250
++      select USE_GENERIC_EARLY_PRINTK_8250
++      select BOOT_RAW
++      select PINCTRL
++      select ARCH_HAS_RESET_CONTROLLER
++      select RESET_CONTROLLER
++      select USE_OF
++
+ config SGI_IP22
+       bool "SGI IP22 (Indy/Indigo2)"
+       select FW_ARC
diff --git a/target/linux/realtek/patches-5.10/301-gpio-add-rtl838x-driver.patch b/target/linux/realtek/patches-5.10/301-gpio-add-rtl838x-driver.patch
new file mode 100644 (file)
index 0000000..4f5901d
--- /dev/null
@@ -0,0 +1,32 @@
+--- a/drivers/gpio/Kconfig
++++ b/drivers/gpio/Kconfig
+@@ -441,6 +441,18 @@ config GPIO_REG
+         A 32-bit single register GPIO fixed in/out implementation.  This
+         can be used to represent any register as a set of GPIO signals.
++config GPIO_RTL8231
++      tristate "RTL8231 GPIO"
++      depends on GPIO_RTL838X
++      help
++        Say yes here to support Realtek RTL8231 GPIO expansion chips.
++
++config GPIO_RTL838X
++      tristate "RTL838X GPIO"
++      depends on RTL838X
++      help
++        Say yes here to support RTL838X GPIO devices.
++
+ config GPIO_SAMA5D2_PIOBU
+       tristate "SAMA5D2 PIOBU GPIO support"
+       depends on MFD_SYSCON
+--- a/drivers/gpio/Makefile
++++ b/drivers/gpio/Makefile
+@@ -117,6 +117,8 @@ obj-$(CONFIG_GPIO_RC5T583)         += gpio-rc5t
+ obj-$(CONFIG_GPIO_RCAR)                       += gpio-rcar.o
+ obj-$(CONFIG_GPIO_RDC321X)            += gpio-rdc321x.o
+ obj-$(CONFIG_GPIO_REG)                        += gpio-reg.o
++obj-$(CONFIG_GPIO_RTL8231)            += gpio-rtl8231.o
++obj-$(CONFIG_GPIO_RTL838X)            += gpio-rtl838x.o
+ obj-$(CONFIG_ARCH_SA1100)             += gpio-sa1100.o
+ obj-$(CONFIG_GPIO_SAMA5D2_PIOBU)      += gpio-sama5d2-piobu.o
+ obj-$(CONFIG_GPIO_SCH311X)            += gpio-sch311x.o
diff --git a/target/linux/realtek/patches-5.10/302-clocksource-add-rtl9300-driver.patch b/target/linux/realtek/patches-5.10/302-clocksource-add-rtl9300-driver.patch
new file mode 100644 (file)
index 0000000..1c41db7
--- /dev/null
@@ -0,0 +1,34 @@
+--- a/drivers/clocksource/Kconfig
++++ b/drivers/clocksource/Kconfig
+@@ -127,6 +127,15 @@ config RDA_TIMER
+       help
+         Enables the support for the RDA Micro timer driver.
++config RTL9300_TIMER
++      bool "Clocksource/timer for the Realtek RTL9300 family of SoCs"
++      depends on MIPS
++      select COMMON_CLK
++      select TIMER_OF
++      select CLKSRC_MMIO
++      help
++        Enables support for the Realtek RTL9300 timer driver.
++
+ config SUN4I_TIMER
+       bool "Sun4i timer driver" if COMPILE_TEST
+       depends on HAS_IOMEM
+@@ -696,5 +705,4 @@ config INGENIC_TIMER
+       select IRQ_DOMAIN
+       help
+         Support for the timer/counter unit of the Ingenic JZ SoCs.
+-
+ endmenu
+--- a/drivers/clocksource/Makefile
++++ b/drivers/clocksource/Makefile
+@@ -61,6 +61,7 @@ obj-$(CONFIG_MILBEAUT_TIMER) += timer-mi
+ obj-$(CONFIG_SPRD_TIMER)      += timer-sprd.o
+ obj-$(CONFIG_NPCM7XX_TIMER)   += timer-npcm7xx.o
+ obj-$(CONFIG_RDA_TIMER)               += timer-rda.o
++obj-$(CONFIG_RTL9300_TIMER)   += timer-rtl9300.o
+ obj-$(CONFIG_ARC_TIMERS)              += arc_timer.o
+ obj-$(CONFIG_ARM_ARCH_TIMER)          += arm_arch_timer.o
diff --git a/target/linux/realtek/patches-5.10/400-mtd-add-rtl838x-spi-flash-driver.patch b/target/linux/realtek/patches-5.10/400-mtd-add-rtl838x-spi-flash-driver.patch
new file mode 100644 (file)
index 0000000..16cff75
--- /dev/null
@@ -0,0 +1,23 @@
+--- a/drivers/mtd/spi-nor/Kconfig
++++ b/drivers/mtd/spi-nor/Kconfig
+@@ -118,4 +118,13 @@ config SPI_INTEL_SPI_PLATFORM
+         To compile this driver as a module, choose M here: the module
+         will be called intel-spi-platform.
++config SPI_RTL838X
++      tristate "Realtek RTl838X SPI flash platform driver"
++      depends on RTL838X
++      help
++        This driver provides support for accessing SPI flash
++        in the RTL838X SoC.
++
++        Say N here unless you know what you are doing.
++
+ endif # MTD_SPI_NOR
+--- a/drivers/mtd/spi-nor/Makefile
++++ b/drivers/mtd/spi-nor/Makefile
+@@ -8,3 +8,4 @@ obj-$(CONFIG_SPI_NXP_SPIFI)    += nxp-spifi
+ obj-$(CONFIG_SPI_INTEL_SPI)   += intel-spi.o
+ obj-$(CONFIG_SPI_INTEL_SPI_PCI)       += intel-spi-pci.o
+ obj-$(CONFIG_SPI_INTEL_SPI_PLATFORM)  += intel-spi-platform.o
++obj-$(CONFIG_SPI_RTL838X)     += rtl838x-nor.o
diff --git a/target/linux/realtek/patches-5.10/700-net-dsa-add-support-for-rtl838x-switch.patch b/target/linux/realtek/patches-5.10/700-net-dsa-add-support-for-rtl838x-switch.patch
new file mode 100644 (file)
index 0000000..bb6f83e
--- /dev/null
@@ -0,0 +1,18 @@
+--- a/drivers/net/dsa/Kconfig
++++ b/drivers/net/dsa/Kconfig
+@@ -63,6 +63,8 @@ config NET_DSA_QCA8K
+         This enables support for the Qualcomm Atheros QCA8K Ethernet
+         switch chips.
++source "drivers/net/dsa/rtl83xx/Kconfig"
++
+ config NET_DSA_REALTEK_SMI
+       tristate "Realtek SMI Ethernet switch family support"
+       depends on NET_DSA
+--- a/drivers/net/dsa/Makefile
++++ b/drivers/net/dsa/Makefile
+@@ -21,3 +21,4 @@ obj-y                                += b53/
+ obj-y                         += microchip/
+ obj-y                         += mv88e6xxx/
+ obj-y                         += sja1105/
++obj-y                         += rtl83xx/
diff --git a/target/linux/realtek/patches-5.10/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch b/target/linux/realtek/patches-5.10/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch
new file mode 100644 (file)
index 0000000..803614e
--- /dev/null
@@ -0,0 +1,40 @@
+--- a/net/dsa/tag_trailer.c
++++ b/net/dsa/tag_trailer.c
+@@ -44,7 +44,12 @@ static struct sk_buff *trailer_xmit(stru
+       trailer = skb_put(nskb, 4);
+       trailer[0] = 0x80;
++
++#ifdef CONFIG_NET_DSA_RTL83XX
++      trailer[1] = dp->index;
++#else
+       trailer[1] = 1 << dp->index;
++#endif /* CONFIG_NET_DSA_RTL838X */
+       trailer[2] = 0x10;
+       trailer[3] = 0x00;
+@@ -61,12 +66,23 @@ static struct sk_buff *trailer_rcv(struc
+               return NULL;
+       trailer = skb_tail_pointer(skb) - 4;
++
++#ifdef CONFIG_NET_DSA_RTL83XX
++      if (trailer[0] != 0x80 || (trailer[1] & 0x80) != 0x00 ||
++          (trailer[2] & 0xef) != 0x00 || trailer[3] != 0x00)
++              return NULL;
++
++      if (trailer[1] & 0x40)
++              skb->offload_fwd_mark = 1;
++
++      source_port = trailer[1] & 0x3f;
++#else
+       if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
+           (trailer[2] & 0xef) != 0x00 || trailer[3] != 0x00)
+               return NULL;
+       source_port = trailer[1] & 7;
+-
++#endif
+       skb->dev = dsa_master_find_slave(dev, 0, source_port);
+       if (!skb->dev)
+               return NULL;
diff --git a/target/linux/realtek/patches-5.10/702-net-dsa-increase-dsa-max-ports-for-rtl838x.patch b/target/linux/realtek/patches-5.10/702-net-dsa-increase-dsa-max-ports-for-rtl838x.patch
new file mode 100644 (file)
index 0000000..929f2b9
--- /dev/null
@@ -0,0 +1,11 @@
+--- a/include/linux/platform_data/dsa.h
++++ b/include/linux/platform_data/dsa.h
+@@ -6,7 +6,7 @@ struct device;
+ struct net_device;
+ #define DSA_MAX_SWITCHES      4
+-#define DSA_MAX_PORTS         12
++#define DSA_MAX_PORTS         54
+ #define DSA_RTABLE_NONE               -1
+ struct dsa_chip_data {
diff --git a/target/linux/realtek/patches-5.10/702-net-ethernet-add-support-for-rtl838x-ethernet.patch b/target/linux/realtek/patches-5.10/702-net-ethernet-add-support-for-rtl838x-ethernet.patch
new file mode 100644 (file)
index 0000000..11e6245
--- /dev/null
@@ -0,0 +1,26 @@
+--- a/drivers/net/ethernet/Kconfig
++++ b/drivers/net/ethernet/Kconfig
+@@ -163,6 +163,13 @@ source "drivers/net/ethernet/rdc/Kconfig
+ source "drivers/net/ethernet/realtek/Kconfig"
+ source "drivers/net/ethernet/renesas/Kconfig"
+ source "drivers/net/ethernet/rocker/Kconfig"
++
++config NET_RTL838X
++      tristate "Realtek rtl838x Ethernet MAC support"
++      depends on RTL838X
++      ---help---
++        Say Y here if you want to use the Realtek rtl838x Gbps Ethernet MAC.
++
+ source "drivers/net/ethernet/samsung/Kconfig"
+ source "drivers/net/ethernet/seeq/Kconfig"
+ source "drivers/net/ethernet/sfc/Kconfig"
+--- a/drivers/net/ethernet/Makefile
++++ b/drivers/net/ethernet/Makefile
+@@ -76,6 +76,7 @@ obj-$(CONFIG_NET_VENDOR_REALTEK) += real
+ obj-$(CONFIG_NET_VENDOR_RENESAS) += renesas/
+ obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
+ obj-$(CONFIG_NET_VENDOR_ROCKER) += rocker/
++obj-$(CONFIG_NET_RTL838X) += rtl838x_eth.o
+ obj-$(CONFIG_NET_VENDOR_SAMSUNG) += samsung/
+ obj-$(CONFIG_NET_VENDOR_SEEQ) += seeq/
+ obj-$(CONFIG_NET_VENDOR_SILAN) += silan/
diff --git a/target/linux/realtek/patches-5.10/703-include-linux-add-phy-ops-for-rtl838x.patch b/target/linux/realtek/patches-5.10/703-include-linux-add-phy-ops-for-rtl838x.patch
new file mode 100644 (file)
index 0000000..3682eb3
--- /dev/null
@@ -0,0 +1,13 @@
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -645,6 +645,10 @@ struct phy_driver {
+                           struct ethtool_tunable *tuna,
+                           const void *data);
+       int (*set_loopback)(struct phy_device *dev, bool enable);
++      int (*get_port)(struct phy_device *dev);
++      int (*set_port)(struct phy_device *dev, int port);
++      int (*get_eee)(struct phy_device *dev, struct ethtool_eee *e);
++      int (*set_eee)(struct phy_device *dev, struct ethtool_eee *e);
+ };
+ #define to_phy_driver(d) container_of(to_mdio_common_driver(d),               \
+                                     struct phy_driver, mdiodrv)
diff --git a/target/linux/realtek/patches-5.10/704-drivers-net-phy-eee-support-for-rtl838x.patch b/target/linux/realtek/patches-5.10/704-drivers-net-phy-eee-support-for-rtl838x.patch
new file mode 100644 (file)
index 0000000..7743147
--- /dev/null
@@ -0,0 +1,41 @@
+--- a/drivers/net/phy/phylink.c
++++ b/drivers/net/phy/phylink.c
+@@ -1242,6 +1242,11 @@ int phylink_ethtool_ksettings_set(struct
+       /* If we have a PHY, configure the phy */
+       if (pl->phydev) {
++              if (pl->phydev->drv->get_port && pl->phydev->drv->set_port) {
++                      if(pl->phydev->drv->get_port(pl->phydev) != kset->base.port) {
++                              pl->phydev->drv->set_port(pl->phydev, kset->base.port);
++                      }
++              }
+               ret = phy_ethtool_ksettings_set(pl->phydev, &our_kset);
+               if (ret)
+                       return ret;
+@@ -1420,8 +1425,11 @@ int phylink_ethtool_get_eee(struct phyli
+       ASSERT_RTNL();
+-      if (pl->phydev)
++      if (pl->phydev) {
++              if (pl->phydev->drv->get_eee)
++                      return pl->phydev->drv->get_eee(pl->phydev, eee);
+               ret = phy_ethtool_get_eee(pl->phydev, eee);
++      }
+       return ret;
+ }
+@@ -1438,9 +1446,11 @@ int phylink_ethtool_set_eee(struct phyli
+       ASSERT_RTNL();
+-      if (pl->phydev)
++      if (pl->phydev) {
++              if (pl->phydev->drv->set_eee)
++                      return pl->phydev->drv->set_eee(pl->phydev, eee);
+               ret = phy_ethtool_set_eee(pl->phydev, eee);
+-
++      }
+       return ret;
+ }
+ EXPORT_SYMBOL_GPL(phylink_ethtool_set_eee);
diff --git a/target/linux/realtek/patches-5.10/705-add-rtl-phy.patch b/target/linux/realtek/patches-5.10/705-add-rtl-phy.patch
new file mode 100644 (file)
index 0000000..f4cd8f2
--- /dev/null
@@ -0,0 +1,25 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -540,6 +540,12 @@ config REALTEK_PHY
+       ---help---
+         Supports the Realtek 821x PHY.
++config REALTEK_SOC_PHY
++      tristate "Realtek SoC PHYs"
++      depends on RTL838X
++      ---help---
++        Supports the PHYs found in combination with Realtek Switch SoCs
++
+ config RENESAS_PHY
+       tristate "Driver for Renesas PHYs"
+       ---help---
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -102,6 +102,7 @@ obj-$(CONFIG_NATIONAL_PHY) += national.o
+ obj-$(CONFIG_NXP_TJA11XX_PHY) += nxp-tja11xx.o
+ obj-$(CONFIG_QSEMI_PHY)               += qsemi.o
+ obj-$(CONFIG_REALTEK_PHY)     += realtek.o
++obj-$(CONFIG_REALTEK_SOC_PHY)   += rtl83xx-phy.o
+ obj-$(CONFIG_RENESAS_PHY)     += uPD60620.o
+ obj-$(CONFIG_ROCKCHIP_PHY)    += rockchip.o
+ obj-$(CONFIG_SMSC_PHY)                += smsc.o
diff --git a/target/linux/realtek/patches-5.10/705-include-linux-phy-increase-phy-address-number-for-rtl839x.patch b/target/linux/realtek/patches-5.10/705-include-linux-phy-increase-phy-address-number-for-rtl839x.patch
new file mode 100644 (file)
index 0000000..ca6deb7
--- /dev/null
@@ -0,0 +1,11 @@
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -188,7 +188,7 @@ static inline const char *phy_modes(phy_
+ #define PHY_INIT_TIMEOUT      100000
+ #define PHY_FORCE_TIMEOUT     10
+-#define PHY_MAX_ADDR  32
++#define PHY_MAX_ADDR  64
+ /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
+ #define PHY_ID_FMT "%s:%02x"