return ssb_gpio_control(&ssb, mask, value);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
static inline u32 gpio_intmask(u32 mask, u32 value)
{
return ssb_gpio_intmask(&ssb, mask, value);
}
+#endif
static inline u32 gpio_intpolarity(u32 mask, u32 value)
{
--- /dev/null
+CONFIG_32BIT=y
+# CONFIG_64BIT is not set
+# CONFIG_8139TOO is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_ARCH_SUPPORTS_OPROFILE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_ARPD is not set
+# CONFIG_ATMEL is not set
+CONFIG_B44=y
+CONFIG_B44_PCI=y
+CONFIG_B44_PCICORE_AUTOSELECT=y
+CONFIG_B44_PCI_AUTOSELECT=y
+CONFIG_BASE_SMALL=0
+CONFIG_BCM47XX=y
+CONFIG_BITREVERSE=y
+# CONFIG_BONDING is not set
+CONFIG_BROADCOM_PHY=m
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_BT_HCIVHCI is not set
+CONFIG_CEVT_R4K=y
+CONFIG_CFE=y
+# CONFIG_CIFS_STATS is not set
+CONFIG_CLASSIC_RCU=y
+# CONFIG_CLS_U32_MARK is not set
+# CONFIG_CLS_U32_PERF is not set
+CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 init=/etc/preinit noinitrd console=ttyS0,115200"
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONNECTOR=m
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_CPU_HAS_LLSC=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_LOONGSON2 is not set
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS64_R1 is not set
+# CONFIG_CPU_MIPS64_R2 is not set
+CONFIG_CPU_MIPSR1=y
+# CONFIG_CPU_NEVADA is not set
+# CONFIG_CPU_R10000 is not set
+# CONFIG_CPU_R3000 is not set
+# CONFIG_CPU_R4300 is not set
+# CONFIG_CPU_R4X00 is not set
+# CONFIG_CPU_R5000 is not set
+# CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R5500 is not set
+# CONFIG_CPU_R6000 is not set
+# CONFIG_CPU_R8000 is not set
+# CONFIG_CPU_RM7000 is not set
+# CONFIG_CPU_RM9000 is not set
+# CONFIG_CPU_SB1 is not set
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+# CONFIG_CPU_TX39XX is not set
+# CONFIG_CPU_TX49XX is not set
+# CONFIG_CPU_VR41XX is not set
+CONFIG_CRYPTO_AEAD2=m
+CONFIG_CRYPTO_ALGAPI2=m
+CONFIG_CRYPTO_BLKCIPHER2=m
+CONFIG_CRYPTO_GF128MUL=m
+CONFIG_CRYPTO_HASH2=m
+CONFIG_CRYPTO_MANAGER2=m
+CONFIG_CRYPTO_RNG2=m
+CONFIG_CSRC_R4K=y
+CONFIG_DEVPORT=y
+# CONFIG_DM9000 is not set
+CONFIG_DMA_NEED_PCI_MAP_STATE=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_EARLY_PRINTK=y
+# CONFIG_FIXED_PHY is not set
+# CONFIG_FREEZER is not set
+CONFIG_FS_POSIX_ACL=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_GPIO=y
+# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+# CONFIG_HAMRADIO is not set
+CONFIG_HARDWARE_WATCHPOINTS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+# CONFIG_HAVE_AOUT is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HID=m
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ=250
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_I2C is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IDE is not set
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_POLLDEV=y
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IRQ_CPU=y
+# CONFIG_ISDN is not set
+CONFIG_KALLSYMS=y
+CONFIG_KMOD=y
+# CONFIG_LEDS_ALIX is not set
+CONFIG_LEDS_GPIO=y
+# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_LLC2 is not set
+# CONFIG_MACH_ALCHEMY is not set
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_EMMA is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_MACH_TX39XX is not set
+# CONFIG_MACH_TX49XX is not set
+# CONFIG_MACH_VR41XX is not set
+# CONFIG_MDIO_BITBANG is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MIKROTIK_RB532 is not set
+CONFIG_MIPS=y
+# CONFIG_MIPS_COBALT is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+# CONFIG_MIPS_MALTA is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_MIPS_SIM is not set
+CONFIG_MTD=y
+# CONFIG_MTD_ABSENT is not set
+CONFIG_MTD_BCM47XX=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_MTD_BLOCK2MTD is not set
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_CHAR=y
+# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_ONENAND is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_PLATRAM is not set
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NET_IPGRE_BROADCAST is not set
+# CONFIG_NET_PKTGEN is not set
+CONFIG_NF_CT_ACCT=y
+CONFIG_NF_DEFRAG_IPV4=m
+# CONFIG_NO_IOPORT is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+# CONFIG_PAGE_SIZE_16KB is not set
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_64KB is not set
+# CONFIG_PAGE_SIZE_8KB is not set
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+# CONFIG_PCSPKR_PLATFORM is not set
+CONFIG_PHYLIB=y
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+# CONFIG_PMC_MSP is not set
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_PNX8550_STB810 is not set
+# CONFIG_PPP_MULTILINK is not set
+# CONFIG_PPP_SYNC_TTY is not set
+# CONFIG_PROBE_INITRD_HEADER is not set
+# CONFIG_PROC_KCORE is not set
+# CONFIG_PROM_EMU is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_R6040 is not set
+# CONFIG_REALTEK_PHY is not set
+CONFIG_RFKILL=y
+CONFIG_RFKILL_INPUT=y
+CONFIG_RFKILL_LEDS=y
+CONFIG_RTC_LIB=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+# CONFIG_SCSI_MULTI_LUN is not set
+CONFIG_SCSI_WAIT_SCAN=m
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+# CONFIG_SERIAL_8250_RSA is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP28 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SMSC_PHY is not set
+CONFIG_SND_MIPS=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SSB=y
+CONFIG_SSB_B43_PCI_BRIDGE=y
+CONFIG_SSB_DEBUG=y
+CONFIG_SSB_DRIVER_EXTIF=y
+CONFIG_SSB_DRIVER_GIGE=y
+CONFIG_SSB_DRIVER_MIPS=y
+CONFIG_SSB_DRIVER_PCICORE=y
+CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
+CONFIG_SSB_EMBEDDED=y
+CONFIG_SSB_PCICORE_HOSTMODE=y
+CONFIG_SSB_PCIHOST=y
+CONFIG_SSB_PCIHOST_POSSIBLE=y
+CONFIG_SSB_POSSIBLE=y
+CONFIG_SSB_SERIAL=y
+CONFIG_SSB_SPROM=y
+# CONFIG_STAGING is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_TC35815 is not set
+CONFIG_TICK_ONESHOT=y
+CONFIG_TRAD_SIGNALS=y
+CONFIG_USB=m
+# CONFIG_USB_ACM is not set
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_EHCI_HCD_SSB=y
+CONFIG_USB_NET_SMSC95XX=m
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_SSB=y
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_UHCI_HCD is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIA_RHINE is not set
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_W1_CON is not set
+# CONFIG_W1_SLAVE_BQ27000 is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_ZONE_DMA_FLAG=0
--- /dev/null
+/*
+ * CFE environment variable access
+ *
+ * Copyright 2001-2003, Broadcom Corporation
+ * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#define NVRAM_SIZE (0x1ff0)
+static char _nvdata[NVRAM_SIZE];
+static char _valuestr[256];
+
+/*
+ * TLV types. These codes are used in the "type-length-value"
+ * encoding of the items stored in the NVRAM device (flash or EEPROM)
+ *
+ * The layout of the flash/nvram is as follows:
+ *
+ * <type> <length> <data ...> <type> <length> <data ...> <type_end>
+ *
+ * The type code of "ENV_TLV_TYPE_END" marks the end of the list.
+ * The "length" field marks the length of the data section, not
+ * including the type and length fields.
+ *
+ * Environment variables are stored as follows:
+ *
+ * <type_env> <length> <flags> <name> = <value>
+ *
+ * If bit 0 (low bit) is set, the length is an 8-bit value.
+ * If bit 0 (low bit) is clear, the length is a 16-bit value
+ *
+ * Bit 7 set indicates "user" TLVs. In this case, bit 0 still
+ * indicates the size of the length field.
+ *
+ * Flags are from the constants below:
+ *
+ */
+#define ENV_LENGTH_16BITS 0x00 /* for low bit */
+#define ENV_LENGTH_8BITS 0x01
+
+#define ENV_TYPE_USER 0x80
+
+#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
+#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
+
+/*
+ * The actual TLV types we support
+ */
+
+#define ENV_TLV_TYPE_END 0x00
+#define ENV_TLV_TYPE_ENV ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
+
+/*
+ * Environment variable flags
+ */
+
+#define ENV_FLG_NORMAL 0x00 /* normal read/write */
+#define ENV_FLG_BUILTIN 0x01 /* builtin - not stored in flash */
+#define ENV_FLG_READONLY 0x02 /* read-only - cannot be changed */
+
+#define ENV_FLG_MASK 0xFF /* mask of attributes we keep */
+#define ENV_FLG_ADMIN 0x100 /* lets us internally override permissions */
+
+
+/* *********************************************************************
+ * _nvram_read(buffer,offset,length)
+ *
+ * Read data from the NVRAM device
+ *
+ * Input parameters:
+ * buffer - destination buffer
+ * offset - offset of data to read
+ * length - number of bytes to read
+ *
+ * Return value:
+ * number of bytes read, or <0 if error occured
+ ********************************************************************* */
+static int
+_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
+{
+ int i;
+ if (offset > NVRAM_SIZE)
+ return -1;
+
+ for ( i = 0; i < length; i++) {
+ buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
+ }
+ return length;
+}
+
+
+static char*
+_strnchr(const char *dest,int c,size_t cnt)
+{
+ while (*dest && (cnt > 0)) {
+ if (*dest == c) return (char *) dest;
+ dest++;
+ cnt--;
+ }
+ return NULL;
+}
+
+
+
+/*
+ * Core support API: Externally visible.
+ */
+
+/*
+ * Get the value of an NVRAM variable
+ * @param name name of variable to get
+ * @return value of variable or NULL if undefined
+ */
+
+char*
+cfe_env_get(unsigned char *nv_buf, char* name)
+{
+ int size;
+ unsigned char *buffer;
+ unsigned char *ptr;
+ unsigned char *envval;
+ unsigned int reclen;
+ unsigned int rectype;
+ int offset;
+ int flg;
+
+ if (!strcmp(name, "nvram_type"))
+ return "cfe";
+
+ size = NVRAM_SIZE;
+ buffer = &_nvdata[0];
+
+ ptr = buffer;
+ offset = 0;
+
+ /* Read the record type and length */
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
+ goto error;
+ }
+
+ while ((*ptr != ENV_TLV_TYPE_END) && (size > 1)) {
+
+ /* Adjust pointer for TLV type */
+ rectype = *(ptr);
+ offset++;
+ size--;
+
+ /*
+ * Read the length. It can be either 1 or 2 bytes
+ * depending on the code
+ */
+ if (rectype & ENV_LENGTH_8BITS) {
+ /* Read the record type and length - 8 bits */
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
+ goto error;
+ }
+ reclen = *(ptr);
+ size--;
+ offset++;
+ }
+ else {
+ /* Read the record type and length - 16 bits, MSB first */
+ if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
+ goto error;
+ }
+ reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
+ size -= 2;
+ offset += 2;
+ }
+
+ if (reclen > size)
+ break; /* should not happen, bad NVRAM */
+
+ switch (rectype) {
+ case ENV_TLV_TYPE_ENV:
+ /* Read the TLV data */
+ if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
+ goto error;
+ flg = *ptr++;
+ envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
+ if (envval) {
+ *envval++ = '\0';
+ memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
+ _valuestr[(reclen-1)-(envval-ptr)] = '\0';
+#if 0
+ printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
+#endif
+ if(!strcmp(ptr, name)){
+ return _valuestr;
+ }
+ if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
+ return _valuestr;
+ }
+ break;
+
+ default:
+ /* Unknown TLV type, skip it. */
+ break;
+ }
+
+ /*
+ * Advance to next TLV
+ */
+
+ size -= (int)reclen;
+ offset += reclen;
+
+ /* Read the next record type */
+ ptr = buffer;
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1)
+ goto error;
+ }
+
+error:
+ return NULL;
+
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __NVRAM_H
+#define __NVRAM_H
+
+struct nvram_header {
+ u32 magic;
+ u32 len;
+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
+ u32 config_ncdl; /* ncdl values for memc */
+};
+
+struct nvram_tuple {
+ char *name;
+ char *value;
+ struct nvram_tuple *next;
+};
+
+#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
+#define NVRAM_VERSION 1
+#define NVRAM_HEADER_SIZE 20
+#define NVRAM_SPACE 0x8000
+
+#define NVRAM_MAX_VALUE_LEN 255
+#define NVRAM_MAX_PARAM_LEN 64
+
+char *nvram_get(const char *name);
+
+#endif
--- /dev/null
+/*
+ * BCM947xx nvram variable access
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/ssb/ssb.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <asm/byteorder.h>
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#include <nvram.h>
+
+#define MB * 1048576
+extern struct ssb_bus ssb;
+
+static char nvram_buf[NVRAM_SPACE];
+static int cfe_env;
+extern char *cfe_env_get(char *nv_buf, const char *name);
+
+/* Probe for NVRAM header */
+static void __init early_nvram_init(void)
+{
+ struct ssb_mipscore *mcore = &ssb.mipscore;
+ struct nvram_header *header;
+ int i;
+ u32 base, lim, off;
+ u32 *src, *dst;
+
+ base = mcore->flash_window;
+ lim = mcore->flash_window_size;
+ cfe_env = 0;
+
+
+ /* XXX: hack for supporting the CFE environment stuff on WGT634U */
+ if (lim >= 8 MB) {
+ src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
+ dst = (u32 *) nvram_buf;
+
+ if ((*src & 0xff00ff) == 0x000001) {
+ printk("early_nvram_init: WGT634U NVRAM found.\n");
+
+ for (i = 0; i < 0x1ff0; i++) {
+ if (*src == 0xFFFFFFFF)
+ break;
+ *dst++ = *src++;
+ }
+ cfe_env = 1;
+ return;
+ }
+ }
+
+ off = 0x20000;
+ while (off <= lim) {
+ /* Windowed flash access */
+ header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+ off <<= 1;
+ }
+
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ header = (struct nvram_header *) KSEG1ADDR(base + 4096);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+
+ header = (struct nvram_header *) KSEG1ADDR(base + 1024);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+
+ return;
+
+found:
+ src = (u32 *) header;
+ dst = (u32 *) nvram_buf;
+ for (i = 0; i < sizeof(struct nvram_header); i += 4)
+ *dst++ = *src++;
+ for (; i < header->len && i < NVRAM_SPACE; i += 4)
+ *dst++ = le32_to_cpu(*src++);
+}
+
+char *nvram_get(const char *name)
+{
+ char *var, *value, *end, *eq;
+
+ if (!name)
+ return NULL;
+
+ if (!nvram_buf[0])
+ early_nvram_init();
+
+ if (cfe_env)
+ return cfe_env_get(nvram_buf, name);
+
+ /* Look for name=value and return value */
+ var = &nvram_buf[sizeof(struct nvram_header)];
+ end = nvram_buf + sizeof(nvram_buf) - 2;
+ end[0] = end[1] = '\0';
+ for (; *var; var = value + strlen(value) + 1) {
+ if (!(eq = strchr(var, '=')))
+ break;
+ value = eq + 1;
+ if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
+ return value;
+ }
+
+ return NULL;
+}
+
+EXPORT_SYMBOL(nvram_get);
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2005 Embedded Alley Solutions, Inc
+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2006 Michael Buesch
+ */
+#ifndef __ASM_MACH_GENERIC_KERNEL_ENTRY_H
+#define __ASM_MACH_GENERIC_KERNEL_ENTRY_H
+
+/* Intentionally empty macro, used in head.S. Override in
+ * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
+ */
+ .macro kernel_entry_setup
+ .endm
+
+/*
+ * Do SMP slave processor setup necessary before we can savely execute C code.
+ */
+ .macro smp_slave_setup
+ .endm
+
+
+#endif /* __ASM_MACH_GENERIC_KERNEL_ENTRY_H */
--- /dev/null
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ *
+ * original functions for finding root filesystem from Mike Baker
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Copyright 2001-2003, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * Flash mapping for BCM947XX boards
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/wait.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#ifdef CONFIG_MTD_PARTITIONS
+#include <linux/mtd/partitions.h>
+#endif
+#include <linux/crc32.h>
+#ifdef CONFIG_SSB
+#include <linux/ssb/ssb.h>
+#endif
+#include <asm/io.h>
+
+
+#define TRX_MAGIC 0x30524448 /* "HDR0" */
+#define TRX_VERSION 1
+#define TRX_MAX_LEN 0x3A0000
+#define TRX_NO_HEADER 1 /* Do not write TRX header */
+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
+#define TRX_MAX_OFFSET 3
+
+struct trx_header {
+ u32 magic; /* "HDR0" */
+ u32 len; /* Length of file including header */
+ u32 crc32; /* 32-bit CRC from flag_version to end of file */
+ u32 flag_version; /* 0:15 flags, 16:31 version */
+ u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
+};
+
+#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
+#define NVRAM_SPACE 0x8000
+#define WINDOW_ADDR 0x1fc00000
+#define WINDOW_SIZE 0x400000
+#define BUSWIDTH 2
+
+#ifdef CONFIG_SSB
+extern struct ssb_bus ssb_bcm47xx;
+#endif
+static struct mtd_info *bcm47xx_mtd;
+
+static void bcm47xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+{
+ if (len==1) {
+ memcpy_fromio(to, map->virt + from, len);
+ } else {
+ int i;
+ u16 *dest = (u16 *) to;
+ u16 *src = (u16 *) (map->virt + from);
+ for (i = 0; i < (len / 2); i++) {
+ dest[i] = src[i];
+ }
+ if (len & 1)
+ *((u8 *)dest+len-1) = src[i] & 0xff;
+ }
+}
+
+static struct map_info bcm47xx_map = {
+ name: "Physically mapped flash",
+ size: WINDOW_SIZE,
+ bankwidth: BUSWIDTH,
+ phys: WINDOW_ADDR,
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+
+static struct mtd_partition bcm47xx_parts[] = {
+ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
+ { name: "linux", offset: 0, size: 0, },
+ { name: "rootfs", offset: 0, size: 0, },
+ { name: "nvram", offset: 0, size: 0, },
+ { name: NULL, },
+};
+
+static int __init
+find_cfe_size(struct mtd_info *mtd, size_t size)
+{
+ struct trx_header *trx;
+ unsigned char buf[512];
+ int off;
+ size_t len;
+ int blocksize;
+
+ trx = (struct trx_header *) buf;
+
+ blocksize = mtd->erasesize;
+ if (blocksize < 0x10000)
+ blocksize = 0x10000;
+
+ for (off = (128*1024); off < size; off += blocksize) {
+ memset(buf, 0xe5, sizeof(buf));
+
+ /*
+ * Read into buffer
+ */
+ if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
+ len != sizeof(buf))
+ continue;
+
+ /* found a TRX header */
+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
+ goto found;
+ }
+ }
+
+ printk(KERN_NOTICE
+ "%s: Couldn't find bootloader size\n",
+ mtd->name);
+ return -1;
+
+ found:
+ printk(KERN_NOTICE "bootloader size: %d\n", off);
+ return off;
+
+}
+
+/*
+ * Copied from mtdblock.c
+ *
+ * Cache stuff...
+ *
+ * Since typical flash erasable sectors are much larger than what Linux's
+ * buffer cache can handle, we must implement read-modify-write on flash
+ * sectors for each block write requests. To avoid over-erasing flash sectors
+ * and to speed things up, we locally cache a whole flash sector while it is
+ * being written to until a different sector is required.
+ */
+
+static void erase_callback(struct erase_info *done)
+{
+ wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
+ wake_up(wait_q);
+}
+
+static int erase_write (struct mtd_info *mtd, unsigned long pos,
+ int len, const char *buf)
+{
+ struct erase_info erase;
+ DECLARE_WAITQUEUE(wait, current);
+ wait_queue_head_t wait_q;
+ size_t retlen;
+ int ret;
+
+ /*
+ * First, let's erase the flash block.
+ */
+
+ init_waitqueue_head(&wait_q);
+ erase.mtd = mtd;
+ erase.callback = erase_callback;
+ erase.addr = pos;
+ erase.len = len;
+ erase.priv = (u_long)&wait_q;
+
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&wait_q, &wait);
+
+ ret = mtd->erase(mtd, &erase);
+ if (ret) {
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&wait_q, &wait);
+ printk (KERN_WARNING "erase of region [0x%lx, 0x%x] "
+ "on \"%s\" failed\n",
+ pos, len, mtd->name);
+ return ret;
+ }
+
+ schedule(); /* Wait for erase to finish. */
+ remove_wait_queue(&wait_q, &wait);
+
+ /*
+ * Next, writhe data to flash.
+ */
+
+ ret = mtd->write (mtd, pos, len, &retlen, buf);
+ if (ret)
+ return ret;
+ if (retlen != len)
+ return -EIO;
+ return 0;
+}
+
+
+
+
+static int __init
+find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
+{
+ struct trx_header trx, *trx2;
+ unsigned char buf[512], *block;
+ int off, blocksize;
+ u32 i, crc = ~0;
+ size_t len;
+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
+
+ blocksize = mtd->erasesize;
+ if (blocksize < 0x10000)
+ blocksize = 0x10000;
+
+ for (off = (128*1024); off < size; off += blocksize) {
+ memset(&trx, 0xe5, sizeof(trx));
+
+ /*
+ * Read into buffer
+ */
+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
+ len != sizeof(trx))
+ continue;
+
+ /* found a TRX header */
+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
+ part->offset = le32_to_cpu(trx.offsets[2]) ? :
+ le32_to_cpu(trx.offsets[1]);
+ part->size = le32_to_cpu(trx.len);
+
+ part->size -= part->offset;
+ part->offset += off;
+
+ goto found;
+ }
+ }
+
+ printk(KERN_NOTICE
+ "%s: Couldn't find root filesystem\n",
+ mtd->name);
+ return -1;
+
+ found:
+ if (part->size == 0)
+ return 0;
+
+ if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
+ return 0;
+
+ /* Move the fs outside of the trx */
+ part->size = 0;
+
+ if (trx.len != part->offset + part->size - off) {
+ /* Update the trx offsets and length */
+ trx.len = part->offset + part->size - off;
+
+ /* Update the trx crc32 */
+ for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
+ if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
+ return 0;
+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
+ }
+ trx.crc32 = crc;
+
+ /* read first eraseblock from the trx */
+ block = kmalloc(mtd->erasesize, GFP_KERNEL);
+ trx2 = (struct trx_header *) block;
+ if (mtd->read(mtd, off, mtd->erasesize, &len, block) || len != mtd->erasesize) {
+ printk("Error accessing the first trx eraseblock\n");
+ return 0;
+ }
+
+ printk("Updating TRX offsets and length:\n");
+ printk("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
+ printk("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
+
+ /* Write updated trx header to the flash */
+ memcpy(block, &trx, sizeof(trx));
+ if (mtd->unlock)
+ mtd->unlock(mtd, off, mtd->erasesize);
+ erase_write(mtd, off, mtd->erasesize, block);
+ if (mtd->sync)
+ mtd->sync(mtd);
+ kfree(block);
+ printk("Done\n");
+ }
+
+ return part->size;
+}
+
+struct mtd_partition * __init
+init_mtd_partitions(struct mtd_info *mtd, size_t size)
+{
+ int cfe_size;
+
+ if ((cfe_size = find_cfe_size(mtd,size)) < 0)
+ return NULL;
+
+ /* boot loader */
+ bcm47xx_parts[0].offset = 0;
+ bcm47xx_parts[0].size = cfe_size;
+
+ /* nvram */
+ if (cfe_size != 384 * 1024) {
+ bcm47xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ bcm47xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ } else {
+ /* nvram (old 128kb config partition on netgear wgt634u) */
+ bcm47xx_parts[3].offset = bcm47xx_parts[0].size;
+ bcm47xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ }
+
+ /* linux (kernel and rootfs) */
+ if (cfe_size != 384 * 1024) {
+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size;
+ bcm47xx_parts[1].size = bcm47xx_parts[3].offset -
+ bcm47xx_parts[1].offset;
+ } else {
+ /* do not count the elf loader, which is on one block */
+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size +
+ bcm47xx_parts[3].size + mtd->erasesize;
+ bcm47xx_parts[1].size = size -
+ bcm47xx_parts[0].size -
+ (2*bcm47xx_parts[3].size) -
+ mtd->erasesize;
+ }
+
+ /* find and size rootfs */
+ find_root(mtd,size,&bcm47xx_parts[2]);
+ bcm47xx_parts[2].size = size - bcm47xx_parts[2].offset - bcm47xx_parts[3].size;
+
+ return bcm47xx_parts;
+}
+#endif
+
+int __init init_bcm47xx_map(void)
+{
+#ifdef CONFIG_SSB
+ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
+#endif
+ size_t size;
+ int ret = 0;
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *parts;
+ int i;
+#endif
+
+#ifdef CONFIG_SSB
+ u32 window = mcore->flash_window;
+ u32 window_size = mcore->flash_window_size;
+
+ printk("flash init: 0x%08x 0x%08x\n", window, window_size);
+ bcm47xx_map.phys = window;
+ bcm47xx_map.size = window_size;
+ bcm47xx_map.virt = ioremap_nocache(window, window_size);
+#else
+ printk("flash init: 0x%08x 0x%08x\n", WINDOW_ADDR, WINDOW_SIZE);
+ bcm47xx_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
+#endif
+
+ if (!bcm47xx_map.virt) {
+ printk("Failed to ioremap\n");
+ return -EIO;
+ }
+
+ simple_map_init(&bcm47xx_map);
+
+ if (!(bcm47xx_mtd = do_map_probe("cfi_probe", &bcm47xx_map))) {
+ printk("Failed to do_map_probe\n");
+ iounmap((void *)bcm47xx_map.virt);
+ return -ENXIO;
+ }
+
+ /* override copy_from routine */
+ bcm47xx_map.copy_from = bcm47xx_map_copy_from;
+
+ bcm47xx_mtd->owner = THIS_MODULE;
+
+ size = bcm47xx_mtd->size;
+
+ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ parts = init_mtd_partitions(bcm47xx_mtd, size);
+ for (i = 0; parts[i].name; i++);
+ ret = add_mtd_partitions(bcm47xx_mtd, parts, i);
+ if (ret) {
+ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
+ goto fail;
+ }
+#endif
+ return 0;
+
+ fail:
+ if (bcm47xx_mtd)
+ map_destroy(bcm47xx_mtd);
+ if (bcm47xx_map.virt)
+ iounmap((void *)bcm47xx_map.virt);
+ bcm47xx_map.virt = 0;
+ return ret;
+}
+
+void __exit cleanup_bcm47xx_map(void)
+{
+#ifdef CONFIG_MTD_PARTITIONS
+ del_mtd_partitions(bcm47xx_mtd);
+#endif
+ map_destroy(bcm47xx_mtd);
+ iounmap((void *)bcm47xx_map.virt);
+}
+
+module_init(init_bcm47xx_map);
+module_exit(cleanup_bcm47xx_map);
--- /dev/null
+diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
+--- a/arch/mips/include/asm/bootinfo.h
++++ b/arch/mips/include/asm/bootinfo.h
+@@ -57,6 +57,12 @@
+ #define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
+ #define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */
+
++/*
++ * Valid machtype for group Broadcom
++ */
++#define MACH_GROUP_BRCM 23 /* Broadcom */
++#define MACH_BCM47XX 1 /* Broadcom BCM47xx */
++
+ #define CL_SIZE COMMAND_LINE_SIZE
+
+ extern char *system_type;
+diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
+--- a/include/linux/pci_ids.h
++++ b/include/linux/pci_ids.h
+@@ -2061,6 +2061,7 @@
+ #define PCI_DEVICE_ID_TIGON3_5906M 0x1713
+ #define PCI_DEVICE_ID_BCM4401 0x4401
+ #define PCI_DEVICE_ID_BCM4401B0 0x4402
++#define PCI_DEVICE_ID_BCM4713 0x4713
+
+ #define PCI_VENDOR_ID_TOPIC 0x151f
+ #define PCI_DEVICE_ID_TOPIC_TP560 0x0000
--- /dev/null
+diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
+--- a/drivers/mtd/maps/Kconfig
++++ b/drivers/mtd/maps/Kconfig
+@@ -332,6 +332,12 @@ config MTD_CFI_FLAGADM
+ Mapping for the Flaga digital module. If you don't have one, ignore
+ this setting.
+
++config MTD_BCM47XX
++ tristate "BCM47xx flash device"
++ depends on MIPS && MTD_CFI && BCM47XX
++ help
++ Support for the flash chips on the BCM947xx board.
++
+ config MTD_REDWOOD
+ tristate "CFI Flash devices mapped on IBM Redwood"
+ depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 )
+diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -29,6 +29,7 @@ obj-$(CONFIG_MTD_PMC_MSP_RAMROOT)+= pmcmsp-ramroot.o
+ obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
+ obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o
+ obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o
++obj-$(CONFIG_MTD_BCM47XX) += bcm47xx-flash.o
+ obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
+ obj-$(CONFIG_MTD_IPAQ) += ipaq-flash.o
+ obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
--- /dev/null
+diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -198,7 +198,6 @@ config MIPS_MALTA
+ select I8259
+ select MIPS_BOARDS_GEN
+ select MIPS_BONITO64
+- select MIPS_CPU_SCACHE
+ select PCI_GT64XXX_PCI0
+ select MIPS_MSC
+ select SWAP_IO_SPACE
+@@ -1383,13 +1382,6 @@ config IP22_CPU_SCACHE
+ bool
+ select BOARD_SCACHE
+
+-#
+-# Support for a MIPS32 / MIPS64 style S-caches
+-#
+-config MIPS_CPU_SCACHE
+- bool
+- select BOARD_SCACHE
+-
+ config R5000_CPU_SCACHE
+ bool
+ select BOARD_SCACHE
+diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
+--- a/arch/mips/kernel/cpu-probe.c
++++ b/arch/mips/kernel/cpu-probe.c
+@@ -755,6 +755,8 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
+ case PRID_IMP_25KF:
+ c->cputype = CPU_25KF;
+ __cpu_name[cpu] = "MIPS 25Kc";
++ /* Probe for L2 cache */
++ c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
+ break;
+ case PRID_IMP_34K:
+ c->cputype = CPU_34K;
+diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
+--- a/arch/mips/mm/Makefile
++++ b/arch/mips/mm/Makefile
+@@ -31,6 +31,5 @@ obj-$(CONFIG_CPU_VR41XX) += c-r4k.o cex-gen.o tlb-r4k.o
+ obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o
+ obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o
+ obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o
+-obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o
+
+ EXTRA_CFLAGS += -Werror
+diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -1121,7 +1121,6 @@ static void __init loongson2_sc_init(void)
+
+ extern int r5k_sc_init(void);
+ extern int rm7k_sc_init(void);
+-extern int mips_sc_init(void);
+
+ static void __cpuinit setup_scache(void)
+ {
+@@ -1175,29 +1174,17 @@ static void __cpuinit setup_scache(void)
+ #endif
+
+ default:
+- if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
+- c->isa_level == MIPS_CPU_ISA_M32R2 ||
+- c->isa_level == MIPS_CPU_ISA_M64R1 ||
+- c->isa_level == MIPS_CPU_ISA_M64R2) {
+-#ifdef CONFIG_MIPS_CPU_SCACHE
+- if (mips_sc_init ()) {
+- scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
+- printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n",
+- scache_size >> 10,
+- way_string[c->scache.ways], c->scache.linesz);
+- }
+-#else
+- if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
+- panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
+-#endif
+- return;
+- }
+ sc_present = 0;
+ }
+
+ if (!sc_present)
+ return;
+
++ if ((c->isa_level == MIPS_CPU_ISA_M32R1 ||
++ c->isa_level == MIPS_CPU_ISA_M64R1) &&
++ !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
++ panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
++
+ /* compute a couple of other cache variables */
+ c->scache.waysize = scache_size / c->scache.ways;
+
--- /dev/null
+diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
+--- a/arch/mips/include/asm/r4kcache.h
++++ b/arch/mips/include/asm/r4kcache.h
+@@ -17,6 +17,20 @@
+ #include <asm/cpu-features.h>
+ #include <asm/mipsmtregs.h>
+
++#ifdef CONFIG_BCM47XX
++#include <asm/paccess.h>
++#include <linux/ssb/ssb.h>
++#define BCM4710_DUMMY_RREG() ((void) *((u8 *) KSEG1ADDR(SSB_ENUM_BASE + SSB_IMSTATE)))
++
++#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr))
++#define BCM4710_PROTECTED_FILL_TLB(addr) ({ unsigned long x; get_dbe(x, (volatile unsigned long *)(addr)); })
++#else
++#define BCM4710_DUMMY_RREG()
++
++#define BCM4710_FILL_TLB(addr)
++#define BCM4710_PROTECTED_FILL_TLB(addr)
++#endif
++
+ /*
+ * This macro return a properly sign-extended address suitable as base address
+ * for indexed cache operations. Two issues here:
+@@ -150,6 +164,7 @@ static inline void flush_icache_line_indexed(unsigned long addr)
+ static inline void flush_dcache_line_indexed(unsigned long addr)
+ {
+ __dflush_prologue
++ BCM4710_DUMMY_RREG();
+ cache_op(Index_Writeback_Inv_D, addr);
+ __dflush_epilogue
+ }
+@@ -169,6 +184,7 @@ static inline void flush_icache_line(unsigned long addr)
+ static inline void flush_dcache_line(unsigned long addr)
+ {
+ __dflush_prologue
++ BCM4710_DUMMY_RREG();
+ cache_op(Hit_Writeback_Inv_D, addr);
+ __dflush_epilogue
+ }
+@@ -176,6 +192,7 @@ static inline void flush_dcache_line(unsigned long addr)
+ static inline void invalidate_dcache_line(unsigned long addr)
+ {
+ __dflush_prologue
++ BCM4710_DUMMY_RREG();
+ cache_op(Hit_Invalidate_D, addr);
+ __dflush_epilogue
+ }
+@@ -208,6 +225,7 @@ static inline void flush_scache_line(unsigned long addr)
+ */
+ static inline void protected_flush_icache_line(unsigned long addr)
+ {
++ BCM4710_DUMMY_RREG();
+ protected_cache_op(Hit_Invalidate_I, addr);
+ }
+
+@@ -219,6 +237,7 @@ static inline void protected_flush_icache_line(unsigned long addr)
+ */
+ static inline void protected_writeback_dcache_line(unsigned long addr)
+ {
++ BCM4710_DUMMY_RREG();
+ protected_cache_op(Hit_Writeback_Inv_D, addr);
+ }
+
+@@ -339,8 +358,52 @@ static inline void invalidate_tcache_page(unsigned long addr)
+ : "r" (base), \
+ "i" (op));
+
++static inline void blast_dcache(void)
++{
++ unsigned long start = KSEG0;
++ unsigned long dcache_size = current_cpu_data.dcache.waysize * current_cpu_data.dcache.ways;
++ unsigned long end = (start + dcache_size);
++
++ do {
++ BCM4710_DUMMY_RREG();
++ cache_op(Index_Writeback_Inv_D, start);
++ start += current_cpu_data.dcache.linesz;
++ } while(start < end);
++}
++
++static inline void blast_dcache_page(unsigned long page)
++{
++ unsigned long start = page;
++ unsigned long end = start + PAGE_SIZE;
++
++ BCM4710_FILL_TLB(start);
++ do {
++ BCM4710_DUMMY_RREG();
++ cache_op(Hit_Writeback_Inv_D, start);
++ start += current_cpu_data.dcache.linesz;
++ } while(start < end);
++}
++
++static inline void blast_dcache_page_indexed(unsigned long page)
++{
++ unsigned long start = page;
++ unsigned long end = start + PAGE_SIZE;
++ unsigned long ws_inc = 1UL << current_cpu_data.dcache.waybit;
++ unsigned long ws_end = current_cpu_data.dcache.ways <<
++ current_cpu_data.dcache.waybit;
++ unsigned long ws, addr;
++ for (ws = 0; ws < ws_end; ws += ws_inc) {
++ start = page + ws;
++ for (addr = start; addr < end; addr += current_cpu_data.dcache.linesz) {
++ BCM4710_DUMMY_RREG();
++ cache_op(Index_Writeback_Inv_D, addr);
++ }
++ }
++}
++
++
+ /* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */
+-#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize) \
++#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, war) \
+ static inline void blast_##pfx##cache##lsize(void) \
+ { \
+ unsigned long start = INDEX_BASE; \
+@@ -352,6 +415,7 @@ static inline void blast_##pfx##cache##lsize(void) \
+ \
+ __##pfx##flush_prologue \
+ \
++ war \
+ for (ws = 0; ws < ws_end; ws += ws_inc) \
+ for (addr = start; addr < end; addr += lsize * 32) \
+ cache##lsize##_unroll32(addr|ws, indexop); \
+@@ -366,6 +430,7 @@ static inline void blast_##pfx##cache##lsize##_page(unsigned long page) \
+ \
+ __##pfx##flush_prologue \
+ \
++ war \
+ do { \
+ cache##lsize##_unroll32(start, hitop); \
+ start += lsize * 32; \
+@@ -384,6 +449,8 @@ static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page)
+ current_cpu_data.desc.waybit; \
+ unsigned long ws, addr; \
+ \
++ war \
++ \
+ __##pfx##flush_prologue \
+ \
+ for (ws = 0; ws < ws_end; ws += ws_inc) \
+@@ -393,35 +460,37 @@ static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page)
+ __##pfx##flush_epilogue \
+ }
+
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16)
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128)
+-
+-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16)
+-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128)
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, )
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, )
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, )
++
++__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, )
++__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, )
+
+ /* build blast_xxx_range, protected_blast_xxx_range */
+-#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot) \
++#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, war, war2) \
+ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \
+ unsigned long end) \
+ { \
+ unsigned long lsize = cpu_##desc##_line_size(); \
+ unsigned long addr = start & ~(lsize - 1); \
+ unsigned long aend = (end - 1) & ~(lsize - 1); \
++ war \
+ \
+ __##pfx##flush_prologue \
+ \
+ while (1) { \
++ war2 \
+ prot##cache_op(hitop, addr); \
+ if (addr == aend) \
+ break; \
+@@ -431,13 +500,13 @@ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \
+ __##pfx##flush_epilogue \
+ }
+
+-__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_)
+-__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_)
+-__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_)
+-__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, )
+-__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, )
++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, BCM4710_PROTECTED_FILL_TLB(addr); BCM4710_PROTECTED_FILL_TLB(aend);, BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_,, )
++__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_,, )
++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D,, BCM4710_FILL_TLB(addr); BCM4710_FILL_TLB(aend);, BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD,,, )
+ /* blast_inv_dcache_range */
+-__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, )
+-__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, )
++__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D,,,BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD,,, )
+
+ #endif /* _ASM_R4KCACHE_H */
+diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
+--- a/arch/mips/include/asm/stackframe.h
++++ b/arch/mips/include/asm/stackframe.h
+@@ -409,6 +409,10 @@
+ .macro RESTORE_SP_AND_RET
+ LONG_L sp, PT_R29(sp)
+ .set mips3
++#ifdef CONFIG_BCM47XX
++ nop
++ nop
++#endif
+ eret
+ .set mips0
+ .endm
+diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
+--- a/arch/mips/kernel/genex.S
++++ b/arch/mips/kernel/genex.S
+@@ -52,6 +52,10 @@ NESTED(except_vec1_generic, 0, sp)
+ NESTED(except_vec3_generic, 0, sp)
+ .set push
+ .set noat
++#ifdef CONFIG_BCM47XX
++ nop
++ nop
++#endif
+ #if R5432_CP0_INTERRUPT_WAR
+ mfc0 k0, CP0_INDEX
+ #endif
+diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -34,6 +34,9 @@
+ #include <asm/cacheflush.h> /* for run_uncached() */
+
+
++/* For enabling BCM4710 cache workarounds */
++int bcm4710 = 0;
++
+ /*
+ * Special Variant of smp_call_function for use by cache functions:
+ *
+@@ -104,6 +107,9 @@ static void __cpuinit r4k_blast_dcache_page_setup(void)
+ {
+ unsigned long dc_lsize = cpu_dcache_line_size();
+
++ if (bcm4710)
++ r4k_blast_dcache_page = blast_dcache_page;
++ else
+ if (dc_lsize == 0)
+ r4k_blast_dcache_page = (void *)cache_noop;
+ else if (dc_lsize == 16)
+@@ -118,6 +124,9 @@ static void __cpuinit r4k_blast_dcache_page_indexed_setup(void)
+ {
+ unsigned long dc_lsize = cpu_dcache_line_size();
+
++ if (bcm4710)
++ r4k_blast_dcache_page_indexed = blast_dcache_page_indexed;
++ else
+ if (dc_lsize == 0)
+ r4k_blast_dcache_page_indexed = (void *)cache_noop;
+ else if (dc_lsize == 16)
+@@ -132,6 +141,9 @@ static void __cpuinit r4k_blast_dcache_setup(void)
+ {
+ unsigned long dc_lsize = cpu_dcache_line_size();
+
++ if (bcm4710)
++ r4k_blast_dcache = blast_dcache;
++ else
+ if (dc_lsize == 0)
+ r4k_blast_dcache = (void *)cache_noop;
+ else if (dc_lsize == 16)
+@@ -647,6 +659,8 @@ static void local_r4k_flush_cache_sigtramp(void * arg)
+ unsigned long addr = (unsigned long) arg;
+
+ R4600_HIT_CACHEOP_WAR_IMPL;
++ BCM4710_PROTECTED_FILL_TLB(addr);
++ BCM4710_PROTECTED_FILL_TLB(addr + 4);
+ if (dc_lsize)
+ protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
+ if (!cpu_icache_snoops_remote_store && scache_size)
+@@ -1271,6 +1285,17 @@ static void __cpuinit coherency_setup(void)
+ * silly idea of putting something else there ...
+ */
+ switch (current_cpu_type()) {
++ case CPU_BCM3302:
++ {
++ u32 cm;
++ cm = read_c0_diag();
++ /* Enable icache */
++ cm |= (1 << 31);
++ /* Enable dcache */
++ cm |= (1 << 30);
++ write_c0_diag(cm);
++ }
++ break;
+ case CPU_R4000PC:
+ case CPU_R4000SC:
+ case CPU_R4000MC:
+@@ -1328,6 +1353,15 @@ void __cpuinit r4k_cache_init(void)
+ break;
+ }
+
++ /* Check if special workarounds are required */
++#ifdef CONFIG_BCM47XX
++ if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & 0xff) == 0) {
++ printk("Enabling BCM4710A0 cache workarounds.\n");
++ bcm4710 = 1;
++ } else
++#endif
++ bcm4710 = 0;
++
+ probe_pcache();
+ setup_scache();
+
+@@ -1386,5 +1420,13 @@ void __cpuinit r4k_cache_init(void)
+ #if !defined(CONFIG_MIPS_CMP)
+ local_r4k___flush_cache_all(NULL);
+ #endif
++#ifdef CONFIG_BCM47XX
++ {
++ static void (*_coherency_setup)(void);
++ _coherency_setup = (void (*)(void)) KSEG1ADDR(coherency_setup);
++ _coherency_setup();
++ }
++#else
+ coherency_setup();
++#endif
+ }
+diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -678,6 +678,9 @@ static void __cpuinit build_r4000_tlb_refill_handler(void)
+ /* No need for uasm_i_nop */
+ }
+
++#ifdef CONFIG_BCM47XX
++ uasm_i_nop(&p);
++#endif
+ #ifdef CONFIG_64BIT
+ build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */
+ #else
+@@ -1085,6 +1088,9 @@ build_r4000_tlbchange_handler_head(u32 **p, struct uasm_label **l,
+ struct uasm_reloc **r, unsigned int pte,
+ unsigned int ptr)
+ {
++#ifdef CONFIG_BCM47XX
++ uasm_i_nop(p);
++#endif
+ #ifdef CONFIG_64BIT
+ build_get_pmde64(p, l, r, pte, ptr); /* get pmd in ptr */
+ #else
--- /dev/null
+diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
+--- a/arch/mips/include/asm/cpu-features.h
++++ b/arch/mips/include/asm/cpu-features.h
+@@ -101,6 +101,9 @@
+ #ifndef cpu_has_pindexed_dcache
+ #define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
+ #endif
++#ifndef cpu_use_kmap_coherent
++#define cpu_use_kmap_coherent 1
++#endif
+
+ /*
+ * I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
+diff --git a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+--- /dev/null
++++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+@@ -0,0 +1,13 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
++ */
++#ifndef __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
++#define __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
++
++#define cpu_use_kmap_coherent 0
++
++#endif /* __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H */
+diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -494,7 +494,7 @@ static inline void local_r4k_flush_cache_page(void *args)
+ */
+ map_coherent = (cpu_has_dc_aliases &&
+ page_mapped(page) && !Page_dcache_dirty(page));
+- if (map_coherent)
++ if (map_coherent && cpu_use_kmap_coherent)
+ vaddr = kmap_coherent(page, addr);
+ else
+ vaddr = kmap_atomic(page, KM_USER0);
+@@ -517,7 +517,7 @@ static inline void local_r4k_flush_cache_page(void *args)
+ }
+
+ if (vaddr) {
+- if (map_coherent)
++ if (map_coherent && cpu_use_kmap_coherent)
+ kunmap_coherent();
+ else
+ kunmap_atomic(vaddr, KM_USER0);
+diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
+--- a/arch/mips/mm/init.c
++++ b/arch/mips/mm/init.c
+@@ -212,7 +212,7 @@ void copy_user_highpage(struct page *to, struct page *from,
+ void *vfrom, *vto;
+
+ vto = kmap_atomic(to, KM_USER1);
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(from) && !Page_dcache_dirty(from)) {
+ vfrom = kmap_coherent(from, vaddr);
+ copy_page(vto, vfrom);
+@@ -234,7 +234,7 @@ void copy_to_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr, void *dst, const void *src,
+ unsigned long len)
+ {
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(page) && !Page_dcache_dirty(page)) {
+ void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ memcpy(vto, src, len);
+@@ -252,7 +252,7 @@ void copy_from_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr, void *dst, const void *src,
+ unsigned long len)
+ {
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(page) && !Page_dcache_dirty(page)) {
+ void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ memcpy(dst, vfrom, len);
--- /dev/null
+diff --git a/drivers/net/b44.c b/drivers/net/b44.c
+--- a/drivers/net/b44.c
++++ b/drivers/net/b44.c
+@@ -384,7 +384,7 @@ static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
+ __b44_set_flow_ctrl(bp, pause_enab);
+ }
+
+-#ifdef SSB_DRIVER_MIPS
++#ifdef CONFIG_SSB_DRIVER_MIPS
+ extern char *nvram_get(char *name);
+ static void b44_wap54g10_workaround(struct b44 *bp)
+ {
+@@ -2068,6 +2068,28 @@ out:
+ return err;
+ }
+
++#ifdef CONFIG_SSB_DRIVER_MIPS
++static void b44_wrtsl54gs_workaround(struct b44 *bp)
++{
++ const char *str;
++
++ /*
++ * workaround for physical wiring in Linksys WRSL54GS
++ * see https://dev.openwrt.org/ticket/2662 and 3903
++ * eth1 PHY is probably on BCM5325 switch accessed via eth0
++ */
++ str = nvram_get("boardnum");
++ if (!str)
++ return;
++ if (simple_strtoul(str, NULL, 0) == 42) {
++ bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++ }
++ return;
++}
++#else
++static void b44_wrtsl54gs_workaround(struct b44 *bp) { }
++#endif
++
+ static int __devinit b44_get_invariants(struct b44 *bp)
+ {
+ struct ssb_device *sdev = bp->sdev;
+@@ -2089,6 +2111,8 @@ static int __devinit b44_get_invariants(struct b44 *bp)
+ * valid PHY address. */
+ bp->phy_addr &= 0x1F;
+
++ b44_wrtsl54gs_workaround(bp);
++
+ memcpy(bp->dev->dev_addr, addr, 6);
+
+ if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
--- /dev/null
+diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
+--- a/drivers/ssb/driver_chipcommon.c
++++ b/drivers/ssb/driver_chipcommon.c
+@@ -270,6 +270,8 @@ void ssb_chipco_resume(struct ssb_chipcommon *cc)
+ void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+ {
++ if ((chipco_read32(cc, SSB_CHIPCO_CHIPID) & SSB_CHIPCO_IDMASK) == 0x5354)
++ return;
+ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
+ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
+ switch (*plltype) {
+@@ -293,6 +295,8 @@ void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
+ void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+ {
++ if ((chipco_read32(cc, SSB_CHIPCO_CHIPID) & SSB_CHIPCO_IDMASK) == 0x5354)
++ return;
+ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
+ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
+ switch (*plltype) {
+diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -161,6 +161,8 @@ u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
+
+ if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) {
+ rate = 200000000;
++ } else if (bus->chip_id == 0x5354) {
++ rate = 240000000;
+ } else {
+ rate = ssb_calc_clock_rate(pll_type, n, m);
+ }
+diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -1011,6 +1011,8 @@ u32 ssb_clockspeed(struct ssb_bus *bus)
+
+ if (bus->chip_id == 0x5365) {
+ rate = 100000000;
++ } else if (bus->chip_id == 0x5354) {
++ rate = 120000000;
+ } else {
+ rate = ssb_calc_clock_rate(plltype, clkctl_n, clkctl_m);
+ if (plltype == SSB_PLLTYPE_3) /* 25Mhz, 2 dividers */
--- /dev/null
+diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
+--- a/drivers/usb/host/ohci-ssb.c
++++ b/drivers/usb/host/ohci-ssb.c
+@@ -106,10 +106,59 @@ static int ssb_ohci_attach(struct ssb_device *dev)
+ int err = -ENOMEM;
+ u32 tmp, flags = 0;
+
+- if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
++ /*
++ * THE FOLLOWING COMMENTS PRESERVED FROM GPL SOURCE RELEASE
++ *
++ * The USB core requires a special bit to be set during core
++ * reset to enable host (OHCI) mode. Resetting the SB core in
++ * pcibios_enable_device() is a hack for compatibility with
++ * vanilla usb-ohci so that it does not have to know about
++ * SB. A driver that wants to use the USB core in device mode
++ * should know about SB and should reset the bit back to 0
++ * after calling pcibios_enable_device().
++ */
++
++ if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
+ flags |= SSB_OHCI_TMSLOW_HOSTMODE;
++ ssb_device_enable(dev, flags);
++ }
++
++ /*
++ * USB 2.0 special considerations:
++ *
++ * 1. Since the core supports both OHCI and EHCI functions, it must
++ * only be reset once.
++ *
++ * 2. In addition to the standard SB reset sequence, the Host Control
++ * Register must be programmed to bring the USB core and various
++ * phy components out of reset.
++ */
++
++ else if (dev->id.coreid == SSB_DEV_USB20_HOST) {
++#warning FIX ME need test for core being up & exit
++ ssb_device_enable(dev, 0);
++ ssb_write32(dev, 0x200, 0x7ff);
++ udelay(1);
++ if (dev->id.revision == 1) { // bug in rev 1
++
++ /* Change Flush control reg */
++ tmp = ssb_read32(dev, 0x400);
++ tmp &= ~8;
++ ssb_write32(dev, 0x400, tmp);
++ tmp = ssb_read32(dev, 0x400);
++ printk("USB20H fcr: 0x%0x\n", tmp);
++
++ /* Change Shim control reg */
++ tmp = ssb_read32(dev, 0x304);
++ tmp &= ~0x100;
++ ssb_write32(dev, 0x304, tmp);
++ tmp = ssb_read32(dev, 0x304);
++ printk("USB20H shim: 0x%0x\n", tmp);
++ }
++ }
++ else
++ ssb_device_enable(dev, 0);
+
+- ssb_device_enable(dev, flags);
+
+ hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
+ dev_name(dev->dev));
+@@ -200,6 +249,7 @@ static int ssb_ohci_resume(struct ssb_device *dev)
+ static const struct ssb_device_id ssb_ohci_table[] = {
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
++ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
+ SSB_DEVTABLE_END
+ };
+ MODULE_DEVICE_TABLE(ssb, ssb_ohci_table);
--- /dev/null
+diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
+--- a/drivers/usb/host/ohci-ssb.c
++++ b/drivers/usb/host/ohci-ssb.c
+@@ -159,6 +159,11 @@ static int ssb_ohci_attach(struct ssb_device *dev)
+ else
+ ssb_device_enable(dev, 0);
+
++ /*
++ * Set dma mask - 32 bit mask is just an assumption
++ */
++ if (ssb_dma_set_mask(dev, DMA_32BIT_MASK))
++ return -EOPNOTSUPP;
+
+ hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
+ dev_name(dev->dev));
--- /dev/null
+diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -96,6 +96,19 @@ config USB_EHCI_HCD_PPC_OF
+ Enables support for the USB controller present on the PowerPC
+ OpenFirmware platform bus.
+
++config USB_EHCI_HCD_SSB
++ bool "EHCI support for Broadcom SSB EHCI core"
++ depends on USB_EHCI_HCD && SSB && EXPERIMENTAL
++ default n
++ ---help---
++ Support for the Sonics Silicon Backplane (SSB) attached
++ Broadcom USB EHCI core.
++
++ This device is present in some embedded devices with
++ Broadcom based SSB bus.
++
++ If unsure, say N.
++
+ config USB_ISP116X_HCD
+ tristate "ISP116X HCD support"
+ depends on USB
+diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -1034,8 +1034,16 @@ MODULE_LICENSE ("GPL");
+ #define PLATFORM_DRIVER ixp4xx_ehci_driver
+ #endif
+
+-#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
+- !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER)
++#ifdef CONFIG_USB_EHCI_HCD_SSB
++#include "ehci-ssb.c"
++#define SSB_EHCI_DRIVER ssb_ehci_driver
++#endif
++
++#if !defined(PCI_DRIVER) && \
++ !defined(PLATFORM_DRIVER) && \
++ !defined(PS3_SYSTEM_BUS_DRIVER) && \
++ !defined(OF_PLATFORM_DRIVER) && \
++ !defined(SSB_EHCI_DRIVER)
+ #error "missing bus glue for ehci-hcd"
+ #endif
+
+diff --git a/drivers/usb/host/ehci-ssb.c b/drivers/usb/host/ehci-ssb.c
+--- /dev/null
++++ b/drivers/usb/host/ehci-ssb.c
+@@ -0,0 +1,201 @@
++/*
++ * Sonics Silicon Backplane
++ * Broadcom USB-core EHCI driver (SSB bus glue)
++ *
++ * Copyright 2007 Steven Brown <sbrown@cortland.com>
++ *
++ * Derived from the OHCI-SSB driver
++ * Copyright 2007 Michael Buesch <mb@bu3sch.de>
++ *
++ * Derived from the EHCI-PCI driver
++ * Copyright (c) 2000-2004 by David Brownell
++ *
++ * Derived from the OHCI-PCI driver
++ * Copyright 1999 Roman Weissgaerber
++ * Copyright 2000-2002 David Brownell
++ * Copyright 1999 Linus Torvalds
++ * Copyright 1999 Gregory P. Smith
++ *
++ * Derived from the USBcore related parts of Broadcom-SB
++ * Copyright 2005 Broadcom Corporation
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++#include <linux/ssb/ssb.h>
++
++#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
++
++struct ssb_ehci_device {
++ struct ehci_hcd ehci; /* _must_ be at the beginning. */
++
++ u32 enable_flags;
++};
++
++static inline
++struct ssb_ehci_device *hcd_to_ssb_ehci(struct usb_hcd *hcd)
++{
++ return (struct ssb_ehci_device *)(hcd->hcd_priv);
++}
++
++
++static int ssb_ehci_reset(struct usb_hcd *hcd)
++{
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++ int err;
++
++ ehci->caps = hcd->regs;
++ ehci->regs = hcd->regs +
++ HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
++
++ dbg_hcs_params(ehci, "reset");
++ dbg_hcc_params(ehci, "reset");
++
++ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
++
++ err = ehci_halt(ehci);
++
++ if (err)
++ return err;
++
++ err = ehci_init(hcd);
++
++ if (err)
++ return err;
++
++ ehci_port_power(ehci, 0);
++
++ return err;
++}
++
++static int ssb_ehci_start(struct usb_hcd *hcd)
++{
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++ int err;
++
++ err = ehci_run(hcd);
++ if (err < 0) {
++ ehci_err(ehci, "can't start\n");
++ ehci_stop(hcd);
++ }
++
++ return err;
++}
++
++#ifdef CONFIG_PM
++static int ssb_ehci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message)
++{
++ struct ssb_ehci_device *ehcidev = hcd_to_ssb_ehci(hcd);
++ struct ehci_hcd *ehci = &ehcidev->ehci;
++ unsigned long flags;
++
++ spin_lock_irqsave(&ehci->lock, flags);
++
++ ehci_writel(ehci, EHCI_INTR_MIE, &ehci->regs->intrdisable);
++ ehci_readl(ehci, &ehci->regs->intrdisable); /* commit write */
++
++ /* make sure snapshot being resumed re-enumerates everything */
++ if (message.event == PM_EVENT_PRETHAW)
++ ehci_usb_reset(ehci);
++
++ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
++
++ spin_unlock_irqrestore(&ehci->lock, flags);
++ return 0;
++}
++
++static int ssb_ehci_hcd_resume(struct usb_hcd *hcd)
++{
++ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
++ usb_hcd_resume_root_hub(hcd);
++ return 0;
++}
++#endif /* CONFIG_PM */
++
++static const struct hc_driver ssb_ehci_hc_driver = {
++ .description = "ssb-usb-ehci",
++ .product_desc = "SSB EHCI Controller",
++ .hcd_priv_size = sizeof(struct ssb_ehci_device),
++
++ .irq = ehci_irq,
++ .flags = HCD_MEMORY | HCD_USB2,
++
++ .reset = ssb_ehci_reset,
++ .start = ssb_ehci_start,
++ .stop = ehci_stop,
++ .shutdown = ehci_shutdown,
++
++#ifdef CONFIG_PM
++ .suspend = ssb_ehci_hcd_suspend,
++ .resume = ssb_ehci_hcd_resume,
++#endif
++
++ .urb_enqueue = ehci_urb_enqueue,
++ .urb_dequeue = ehci_urb_dequeue,
++ .endpoint_disable = ehci_endpoint_disable,
++
++ .get_frame_number = ehci_get_frame,
++
++ .hub_status_data = ehci_hub_status_data,
++ .hub_control = ehci_hub_control,
++#ifdef CONFIG_PM
++ .bus_suspend = ehci_bus_suspend,
++ .bus_resume = ehci_bus_resume,
++#endif
++
++};
++
++static void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd)
++{
++
++ usb_remove_hcd(hcd);
++ iounmap(hcd->regs);
++ usb_put_hcd(hcd);
++}
++EXPORT_SYMBOL_GPL(ssb_ehci_detach);
++
++static int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **ehci_hcd)
++{
++ struct ssb_ehci_device *ehcidev;
++ struct usb_hcd *hcd;
++ int err = -ENOMEM;
++ u32 tmp, flags = 0;
++
++ hcd = usb_create_hcd(&ssb_ehci_hc_driver, dev->dev,
++ dev->dev->bus_id);
++ if (!hcd)
++ goto err_dev_disable;
++
++ ehcidev = hcd_to_ssb_ehci(hcd);
++ ehcidev->enable_flags = flags;
++ tmp = ssb_read32(dev, SSB_ADMATCH0);
++ hcd->rsrc_start = ssb_admatch_base(tmp) + 0x800; /* ehci core offset */
++ hcd->rsrc_len = 0x100; /* ehci reg block size */
++ /*
++ * start & size modified per sbutils.c
++ */
++ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
++ if (!hcd->regs)
++ goto err_put_hcd;
++ err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED | IRQF_DISABLED);
++ if (err)
++ goto err_iounmap;
++
++ *ehci_hcd = hcd;
++
++ return err;
++
++err_iounmap:
++ iounmap(hcd->regs);
++err_put_hcd:
++ usb_put_hcd(hcd);
++err_dev_disable:
++ ssb_device_disable(dev, flags);
++ return err;
++}
++EXPORT_SYMBOL_GPL(ssb_ehci_attach);
++
++static const struct ssb_device_id ssb_ehci_table[] = {
++ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
++ SSB_DEVTABLE_END
++};
++MODULE_DEVICE_TABLE(ssb, ssb_ehci_table);
+diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
+--- a/drivers/usb/host/ohci-ssb.c
++++ b/drivers/usb/host/ohci-ssb.c
+@@ -17,6 +17,8 @@
+ */
+ #include <linux/ssb/ssb.h>
+
++extern int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **hcd);
++extern void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd);
+
+ #define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
+
+@@ -24,6 +26,7 @@ struct ssb_ohci_device {
+ struct ohci_hcd ohci; /* _must_ be at the beginning. */
+
+ u32 enable_flags;
++ struct usb_hcd *ehci_hcd;
+ };
+
+ static inline
+@@ -92,13 +95,25 @@ static const struct hc_driver ssb_ohci_hc_driver = {
+ static void ssb_ohci_detach(struct ssb_device *dev)
+ {
+ struct usb_hcd *hcd = ssb_get_drvdata(dev);
++#ifdef CONFIG_USB_EHCI_HCD_SSB
++ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
++#endif
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ usb_put_hcd(hcd);
++
++#ifdef CONFIG_USB_EHCI_HCD_SSB
++ /*
++ * Also detach ehci function
++ */
++ if (dev->id.coreid == SSB_DEV_USB20_HOST)
++ ssb_ehci_detach(dev, ohcidev->ehci_hcd);
++#endif
+ ssb_device_disable(dev, 0);
+ }
+
++
+ static int ssb_ohci_attach(struct ssb_device *dev)
+ {
+ struct ssb_ohci_device *ohcidev;
+@@ -184,6 +199,14 @@ static int ssb_ohci_attach(struct ssb_device *dev)
+
+ ssb_set_drvdata(dev, hcd);
+
++#ifdef CONFIG_USB_EHCI_HCD_SSB
++ /*
++ * attach ehci function in this core
++ */
++ if (dev->id.coreid == SSB_DEV_USB20_HOST)
++ err = ssb_ehci_attach(dev, &(ohcidev->ehci_hcd));
++#endif
++
+ return err;
+
+ err_iounmap:
--- /dev/null
+diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
+--- a/arch/mips/include/asm/cacheflush.h
++++ b/arch/mips/include/asm/cacheflush.h
+@@ -32,7 +32,7 @@
+ extern void (*flush_cache_all)(void);
+ extern void (*__flush_cache_all)(void);
+ extern void (*flush_cache_mm)(struct mm_struct *mm);
+-#define flush_cache_dup_mm(mm) do { (void) (mm); } while (0)
++#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+ extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+ extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
--- /dev/null
+diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
+--- a/arch/mips/include/asm/page.h
++++ b/arch/mips/include/asm/page.h
+@@ -32,6 +32,7 @@
+ #ifndef __ASSEMBLY__
+
+ #include <linux/pfn.h>
++#include <asm/cpu-features.h>
+ #include <asm/io.h>
+
+ extern void build_clear_page(void);
+@@ -67,13 +68,16 @@ static inline void clear_user_page(void *addr, unsigned long vaddr,
+ flush_data_cache_page((unsigned long)addr);
+ }
+
+-extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
+- struct page *to);
+-struct vm_area_struct;
+-extern void copy_user_highpage(struct page *to, struct page *from,
+- unsigned long vaddr, struct vm_area_struct *vma);
++static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
++ struct page *to)
++{
++ extern void (*flush_data_cache_page)(unsigned long addr);
+
+-#define __HAVE_ARCH_COPY_USER_HIGHPAGE
++ copy_page(vto, vfrom);
++ if (!cpu_has_ic_fills_f_dc ||
++ pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
++ flush_data_cache_page((unsigned long)vto);
++}
+
+ /*
+ * These are used to make use of C type-checking..
+diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
+--- a/arch/mips/mm/init.c
++++ b/arch/mips/mm/init.c
+@@ -206,30 +206,6 @@ void kunmap_coherent(void)
+ preempt_check_resched();
+ }
+
+-void copy_user_highpage(struct page *to, struct page *from,
+- unsigned long vaddr, struct vm_area_struct *vma)
+-{
+- void *vfrom, *vto;
+-
+- vto = kmap_atomic(to, KM_USER1);
+- if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+- page_mapped(from) && !Page_dcache_dirty(from)) {
+- vfrom = kmap_coherent(from, vaddr);
+- copy_page(vto, vfrom);
+- kunmap_coherent();
+- } else {
+- vfrom = kmap_atomic(from, KM_USER0);
+- copy_page(vto, vfrom);
+- kunmap_atomic(vfrom, KM_USER0);
+- }
+- if ((!cpu_has_ic_fills_f_dc) ||
+- pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
+- flush_data_cache_page((unsigned long)vto);
+- kunmap_atomic(vto, KM_USER1);
+- /* Make sure this page is cleared on other CPU's too before using it */
+- smp_wmb();
+-}
+-
+ void copy_to_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr, void *dst, const void *src,
+ unsigned long len)
--- /dev/null
+diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -53,6 +53,7 @@ config BCM47XX
+ select SSB_DRIVER_MIPS
+ select SSB_DRIVER_EXTIF
+ select SSB_EMBEDDED
++ select SSB_B43_PCI_BRIDGE
+ select SSB_PCICORE_HOSTMODE if PCI
+ select GENERIC_GPIO
+ select SYS_HAS_EARLY_PRINTK
+diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -3,4 +3,4 @@
+ # under Linux.
+ #
+
+-obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o
++obj-y := cfe_env.o gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o
+diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
+--- a/arch/mips/bcm47xx/irq.c
++++ b/arch/mips/bcm47xx/irq.c
+@@ -1,5 +1,6 @@
+ /*
+ * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
++ * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
+ *
+ * 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
+@@ -23,10 +24,19 @@
+ */
+
+ #include <linux/types.h>
++#include <linux/errno.h>
++#include <linux/init.h>
+ #include <linux/interrupt.h>
+ #include <linux/irq.h>
++#include <linux/pci.h>
++#include <linux/ssb/ssb.h>
++
+ #include <asm/irq_cpu.h>
+
++
++extern struct ssb_bus ssb_bcm47xx;
++
++
+ void plat_irq_dispatch(void)
+ {
+ u32 cause;
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -24,10 +24,10 @@
+ #include <asm/io.h>
+ #include <asm/uaccess.h>
+
+-#include <nvram.h>
++#include "include/nvram.h"
+
+ #define MB * 1048576
+-extern struct ssb_bus ssb;
++extern struct ssb_bus ssb_bcm47xx;
+
+ static char nvram_buf[NVRAM_SPACE];
+ static int cfe_env;
+@@ -36,7 +36,7 @@ extern char *cfe_env_get(char *nv_buf, const char *name);
+ /* Probe for NVRAM header */
+ static void __init early_nvram_init(void)
+ {
+- struct ssb_mipscore *mcore = &ssb.mipscore;
++ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
+ struct nvram_header *header;
+ int i;
+ u32 base, lim, off;
+diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -2,7 +2,7 @@
+ * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+- * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
++ * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de>
+ *
+ * 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
+@@ -25,18 +25,28 @@
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
++#include <linux/init.h>
+ #include <linux/types.h>
+ #include <linux/ssb/ssb.h>
+ #include <linux/ssb/ssb_embedded.h>
++#include <linux/tty.h>
++#include <linux/serial.h>
++#include <linux/serial_core.h>
++#include <linux/serial_reg.h>
++#include <linux/serial_8250.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+-#include <bcm47xx.h>
+ #include <asm/fw/cfe/cfe_api.h>
++#include <linux/pm.h>
++
++#include "include/nvram.h"
+
+ struct ssb_bus ssb_bcm47xx;
+ EXPORT_SYMBOL(ssb_bcm47xx);
+
++extern void bcm47xx_pci_init(void);
++
+ static void bcm47xx_machine_restart(char *command)
+ {
+ printk(KERN_ALERT "Please stand by while rebooting the system...\n");
+@@ -56,7 +66,7 @@ static void bcm47xx_machine_halt(void)
+ cpu_relax();
+ }
+
+-static void str2eaddr(char *str, char *dest)
++static void e_aton(char *str, char *dest)
+ {
+ int i = 0;
+
+@@ -73,52 +83,141 @@ static void str2eaddr(char *str, char *dest)
+ }
+ }
+
+-static int bcm47xx_get_invariants(struct ssb_bus *bus,
+- struct ssb_init_invariants *iv)
++static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
++{
++ char *s;
++
++ memset(sprom, 0xFF, sizeof(struct ssb_sprom));
++
++ sprom->revision = 1;
++ if ((s = nvram_get("il0macaddr")))
++ e_aton(s, sprom->il0mac);
++ if ((s = nvram_get("et0macaddr")))
++ e_aton(s, sprom->et0mac);
++ if ((s = nvram_get("et1macaddr")))
++ e_aton(s, sprom->et1mac);
++ if ((s = nvram_get("et0phyaddr")))
++ sprom->et0phyaddr = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("et1phyaddr")))
++ sprom->et1phyaddr = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("et0mdcport")))
++ sprom->et0mdcport = !!simple_strtoul(s, NULL, 10);
++ if ((s = nvram_get("et1mdcport")))
++ sprom->et1mdcport = !!simple_strtoul(s, NULL, 10);
++ if ((s = nvram_get("pa0b0")))
++ sprom->pa0b0 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa0b1")))
++ sprom->pa0b1 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa0b2")))
++ sprom->pa0b2 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa1b0")))
++ sprom->pa1b0 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa1b1")))
++ sprom->pa1b1 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa1b2")))
++ sprom->pa1b2 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("wl0gpio0")))
++ sprom->gpio0 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("wl0gpio1")))
++ sprom->gpio1 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("wl0gpio2")))
++ sprom->gpio2 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("wl0gpio3")))
++ sprom->gpio3 = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa0maxpwr")))
++ sprom->maxpwr_bg = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa1maxpwr")))
++ sprom->maxpwr_a = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa0itssit")))
++ sprom->itssi_bg = simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("pa1itssit")))
++ sprom->itssi_a = simple_strtoul(s, NULL, 0);
++ sprom->boardflags_lo = 0;
++ if ((s = nvram_get("boardflags")))
++ sprom->boardflags_lo = simple_strtoul(s, NULL, 0);
++ sprom->boardflags_hi = 0;
++ if ((s = nvram_get("boardflags2")))
++ sprom->boardflags_hi = simple_strtoul(s, NULL, 0);
++}
++
++static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
+ {
+- char buf[100];
+-
+- /* Fill boardinfo structure */
+- memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
+-
+- if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
+- iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
+- if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
+- iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
+- if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
+- iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
+-
+- /* Fill sprom structure */
+- memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
+- iv->sprom.revision = 3;
+-
+- if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
+- str2eaddr(buf, iv->sprom.et0mac);
+- if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
+- str2eaddr(buf, iv->sprom.et1mac);
+- if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
+- iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
+- if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
+- iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
+- if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
+- iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
+- if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
+- iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
++ char *s;
++
++ iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
++ if ((s = nvram_get("boardtype")))
++ iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
++ if ((s = nvram_get("boardrev")))
++ iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
++
++ bcm47xx_fill_sprom(&iv->sprom);
++
++ if ((s = nvram_get("cardbus")))
++ iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10);
+
+ return 0;
+ }
+
+ void __init plat_mem_setup(void)
+ {
+- int err;
++ int i, err;
++ char *s;
++ struct ssb_mipscore *mcore;
++
++ err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, bcm47xx_get_invariants);
++ if (err) {
++ const char *msg = "Failed to initialize SSB bus (err %d)\n";
++ printk(msg, err); /* Make sure the message gets out of the box. */
++ panic(msg, err);
++ }
++ mcore = &ssb_bcm47xx.mipscore;
++
++ s = nvram_get("kernel_args");
++ if (s && !strncmp(s, "console=ttyS1", 13)) {
++ struct ssb_serial_port port;
+
+- err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
+- bcm47xx_get_invariants);
+- if (err)
+- panic("Failed to initialize SSB bus (err %d)\n", err);
++ printk("Swapping serial ports!\n");
++ /* swap serial ports */
++ memcpy(&port, &mcore->serial_ports[0], sizeof(port));
++ memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
++ memcpy(&mcore->serial_ports[1], &port, sizeof(port));
++ }
++
++ for (i = 0; i < mcore->nr_serial_ports; i++) {
++ struct ssb_serial_port *port = &(mcore->serial_ports[i]);
++ struct uart_port s;
++
++ memset(&s, 0, sizeof(s));
++ s.line = i;
++ s.membase = port->regs;
++ s.irq = port->irq + 2;
++ s.uartclk = port->baud_base;
++ s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
++ s.iotype = SERIAL_IO_MEM;
++ s.regshift = port->reg_shift;
++
++ early_serial_setup(&s);
++ }
++ printk("Serial init done.\n");
+
+ _machine_restart = bcm47xx_machine_restart;
+ _machine_halt = bcm47xx_machine_halt;
+ pm_power_off = bcm47xx_machine_halt;
+ }
+
++static int __init bcm47xx_register_gpiodev(void)
++{
++ static struct resource res = {
++ .start = 0xFFFFFFFF,
++ };
++ struct platform_device *pdev;
++
++ pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
++ if (!pdev) {
++ printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
++ return -ENODEV;
++ }
++
++ return 0;
++}
++device_initcall(bcm47xx_register_gpiodev);
+diff --git a/arch/mips/bcm47xx/time.c b/arch/mips/bcm47xx/time.c
+--- a/arch/mips/bcm47xx/time.c
++++ b/arch/mips/bcm47xx/time.c
+@@ -22,11 +22,17 @@
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+-
+ #include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/serial_reg.h>
++#include <linux/interrupt.h>
+ #include <linux/ssb/ssb.h>
++#include <asm/addrspace.h>
++#include <asm/io.h>
+ #include <asm/time.h>
+-#include <bcm47xx.h>
++
++extern struct ssb_bus ssb_bcm47xx;
+
+ void __init plat_time_init(void)
+ {
--- /dev/null
+diff --git a/init/initramfs.c b/init/initramfs.c
+--- a/init/initramfs.c
++++ b/init/initramfs.c
+@@ -475,6 +475,69 @@ static void __init flush_window(void)
+ outcnt = 0;
+ }
+
++#include <linux/LzmaDecode.h>
++static int __init lzma_unzip(void)
++{
++ unsigned int i; /* temp value */
++ unsigned int lc; /* literal context bits */
++ unsigned int lp; /* literal pos state bits */
++ unsigned int pb; /* pos state bits */
++ unsigned int osize; /* uncompressed size */
++ unsigned char *workspace;
++ unsigned char* outputbuffer;
++ unsigned int outsizeProcessed = 0;
++ int workspace_size;
++ int res;
++
++ // lzma args
++ i = get_byte();
++ lc = i % 9, i = i / 9;
++ lp = i % 5, pb = i / 5;
++
++ // skip dictionary size
++ for (i = 0; i < 4; i++)
++ get_byte();
++
++ /* read the lower half of uncompressed size in the header */
++ osize = ((unsigned int)get_byte()) +
++ ((unsigned int)get_byte() << 8) +
++ ((unsigned int)get_byte() << 16) +
++ ((unsigned int)get_byte() << 24);
++
++ /* skip rest of the header (upper half of uncompressed size) */
++ for (i = 0; i < 4; i++)
++ get_byte();
++
++ workspace_size = ((LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp))) * sizeof(CProb)) + 100;
++ printk( KERN_NOTICE "initramfs: LZMA lc=%d,lp=%d,pb=%d,origSize=%d\n",
++ lc,lp,pb,osize);
++ outputbuffer = kmalloc(osize, GFP_KERNEL);
++ if (outputbuffer == 0) {
++ printk(KERN_ERR "initramfs: Couldn't allocate lzma output buffer\n");
++ return -1;
++ }
++
++ workspace = kmalloc(workspace_size, GFP_KERNEL);
++ if (workspace == NULL) {
++ printk(KERN_ERR "initramfs: Couldn't allocate lzma workspace\n");
++ return -1;
++ }
++
++ res = LzmaDecode(workspace, workspace_size, lc, lp, pb, inbuf + inptr, insize - inptr, outputbuffer, osize, &outsizeProcessed);
++ if( res != 0 ) {
++ panic( KERN_ERR "initramfs: Lzma decode failure\n");
++ return -1;
++ }
++
++ flush_buffer(outputbuffer, outsizeProcessed);
++ inptr = insize;
++
++ kfree(outputbuffer);
++ kfree(workspace);
++ state = Reset;
++ return 0;
++}
++
+ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
+ {
+ int written;
+@@ -509,12 +572,28 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
+ inptr = 0;
+ outcnt = 0; /* bytes in output buffer */
+ bytes_out = 0;
+- crc = (ulg)0xffffffffL; /* shift register contents */
+- makecrc();
+- gunzip();
+- if (state != Reset)
++ if( inbuf[0] == 037 && ((inbuf[1] == 0213) || (inbuf[1] == 0236)))
++ {
++ printk( KERN_NOTICE "detected gzip initramfs\n");
++ crc = (ulg)0xffffffffL; /* shift register contents */
++ makecrc();
++ gunzip();
++ if (state != Reset)
+ error("junk in gzipped archive");
+- this_header = saved_offset + inptr;
++ }
++ else if(!memcmp(inbuf+1, "\x00\x00\x80\x00", 4)) /* FIXME: hardcoded dictionary size */
++ {
++ printk( KERN_NOTICE "detected lzma initramfs\n");
++ lzma_unzip();
++ }
++ else
++ {
++ // skip forward ?
++ crc = (ulg)0xffffffffL; /* shift register contents */
++ makecrc();
++ gunzip();
++ }
++ this_header = saved_offset + inptr;
+ buf += inptr;
+ len -= inptr;
+ }
+diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
+--- a/scripts/gen_initramfs_list.sh
++++ b/scripts/gen_initramfs_list.sh
+@@ -287,7 +287,7 @@ if [ ! -z ${output_file} ]; then
+ if [ "${is_cpio_compressed}" = "compressed" ]; then
+ cat ${cpio_tfile} > ${output_file}
+ else
+- cat ${cpio_tfile} | gzip -f -9 - > ${output_file}
++ lzma e -lc1 -lp2 -pb2 ${cpio_tfile} ${output_file}
+ fi
+ [ -z ${cpio_file} ] && rm ${cpio_tfile}
+ fi
--- /dev/null
+diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
+--- a/arch/mips/pci/pci.c
++++ b/arch/mips/pci/pci.c
+@@ -207,12 +207,10 @@ static int pcibios_enable_resources(struct pci_dev *dev, int mask)
+ if ((idx == PCI_ROM_RESOURCE) &&
+ (!(r->flags & IORESOURCE_ROM_ENABLE)))
+ continue;
+- if (!r->start && r->end) {
+- printk(KERN_ERR "PCI: Device %s not available "
+- "because of resource collisions\n",
++ if (!r->start && r->end)
++ printk(KERN_WARNING "PCI: Device %s resource"
++ "collisions detected. Ignoring...\n",
+ pci_name(dev));
+- return -EINVAL;
+- }
+ if (r->flags & IORESOURCE_IO)
+ cmd |= PCI_COMMAND_IO;
+ if (r->flags & IORESOURCE_MEM)
--- /dev/null
+diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
+--- a/drivers/net/tg3.c
++++ b/drivers/net/tg3.c
+@@ -40,6 +40,7 @@
+ #include <linux/workqueue.h>
+ #include <linux/prefetch.h>
+ #include <linux/dma-mapping.h>
++#include <linux/ssb/ssb_driver_gige.h>
+
+ #include <net/checksum.h>
+ #include <net/ip.h>
+@@ -428,8 +429,9 @@ static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
+ static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
+ {
+ tp->write32_mbox(tp, off, val);
+- if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
+- !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
++ if ((tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) ||
++ (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
++ !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND)))
+ tp->read32_mbox(tp, off);
+ }
+
+@@ -439,7 +441,7 @@ static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
+ writel(val, mbox);
+ if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
+ writel(val, mbox);
+- if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
++ if ((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) || (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES))
+ readl(mbox);
+ }
+
+@@ -711,7 +713,7 @@ static void tg3_switch_clocks(struct tg3 *tp)
+
+ #define PHY_BUSY_LOOPS 5000
+
+-static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
++static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 *val)
+ {
+ u32 frame_val;
+ unsigned int loops;
+@@ -725,7 +727,7 @@ static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
+
+ *val = 0x0;
+
+- frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
++ frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ MI_COM_PHY_ADDR_MASK);
+ frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
+ MI_COM_REG_ADDR_MASK);
+@@ -760,7 +762,12 @@ static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
+ return ret;
+ }
+
+-static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
++static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
++{
++ return __tg3_readphy(tp, PHY_ADDR, reg, val);
++}
++
++static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 val)
+ {
+ u32 frame_val;
+ unsigned int loops;
+@@ -776,7 +783,7 @@ static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
+ udelay(80);
+ }
+
+- frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
++ frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ MI_COM_PHY_ADDR_MASK);
+ frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
+ MI_COM_REG_ADDR_MASK);
+@@ -809,6 +816,11 @@ static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
+ return ret;
+ }
+
++static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
++{
++ return __tg3_writephy(tp, PHY_ADDR, reg, val);
++}
++
+ static int tg3_bmcr_reset(struct tg3 *tp)
+ {
+ u32 phy_control;
+@@ -2232,8 +2244,10 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
+ tg3_frob_aux_power(tp);
+
+ /* Workaround for unstable PLL clock */
+- if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
+- (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
++ if ((tp->phy_id & PHY_ID_MASK != PHY_ID_BCM5750_2) &&
++ /* !!! FIXME !!! */
++ ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
++ (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX))) {
+ u32 val = tr32(0x7d00);
+
+ val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
+@@ -2725,6 +2739,14 @@ relink:
+
+ tg3_phy_copper_begin(tp);
+
++ if (tp->tg3_flags3 & TG3_FLG3_ROBOSWITCH) {
++ current_link_up = 1;
++ current_speed = SPEED_1000; //FIXME
++ current_duplex = DUPLEX_FULL;
++ tp->link_config.active_speed = current_speed;
++ tp->link_config.active_duplex = current_duplex;
++ }
++
+ tg3_readphy(tp, MII_BMSR, &tmp);
+ if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
+ (tmp & BMSR_LSTATUS))
+@@ -5659,6 +5681,11 @@ static int tg3_poll_fw(struct tg3 *tp)
+ int i;
+ u32 val;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* We don't use firmware. */
++ return 0;
++ }
++
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+ /* Wait up to 20ms for init done. */
+ for (i = 0; i < 200; i++) {
+@@ -5902,6 +5929,14 @@ static int tg3_chip_reset(struct tg3 *tp)
+ tw32(0x5000, 0x400);
+ }
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* BCM4785: In order to avoid repercussions from using potentially
++ * defective internal ROM, stop the Rx RISC CPU, which is not
++ * required. */
++ tg3_stop_fw(tp);
++ tg3_halt_cpu(tp, RX_CPU_BASE);
++ }
++
+ tw32(GRC_MODE, tp->grc_mode);
+
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
+@@ -6176,9 +6211,12 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
+ return -ENODEV;
+ }
+
+- /* Clear firmware's nvram arbitration. */
+- if (tp->tg3_flags & TG3_FLAG_NVRAM)
+- tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++ if (!(tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)) {
++ /* Clear firmware's nvram arbitration. */
++ if (tp->tg3_flags & TG3_FLAG_NVRAM)
++ tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++ }
++
+ return 0;
+ }
+
+@@ -6259,6 +6297,11 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
+ struct fw_info info;
+ int err, i;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* We don't use firmware. */
++ return 0;
++ }
++
+ info.text_base = TG3_FW_TEXT_ADDR;
+ info.text_len = TG3_FW_TEXT_LEN;
+ info.text_data = &tg3FwText[0];
+@@ -6817,6 +6860,11 @@ static int tg3_load_tso_firmware(struct tg3 *tp)
+ unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
+ int err, i;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* We don't use firmware. */
++ return 0;
++ }
++
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
+ return 0;
+
+@@ -7776,6 +7824,11 @@ static void tg3_timer(unsigned long __opaque)
+
+ spin_lock(&tp->lock);
+
++ if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
++ /* BCM4785: Flush posted writes from GbE to host memory. */
++ tr32(HOSTCC_MODE);
++ }
++
+ if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
+ /* All of this garbage is because when using non-tagged
+ * IRQ status the mailbox/status_block protocol the chip
+@@ -9469,6 +9522,11 @@ static int tg3_test_nvram(struct tg3 *tp)
+ __le32 *buf;
+ int i, j, k, err = 0, size;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* We don't have NVRAM. */
++ return 0;
++ }
++
+ if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
+ return -EIO;
+
+@@ -10262,7 +10320,7 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ return -EAGAIN;
+
+ spin_lock_bh(&tp->lock);
+- err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
++ err = __tg3_readphy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, &mii_regval);
+ spin_unlock_bh(&tp->lock);
+
+ data->val_out = mii_regval;
+@@ -10281,7 +10339,7 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ return -EAGAIN;
+
+ spin_lock_bh(&tp->lock);
+- err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
++ err = __tg3_writephy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
+ spin_unlock_bh(&tp->lock);
+
+ return err;
+@@ -10759,6 +10817,12 @@ static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
+ /* Chips other than 5700/5701 use the NVRAM for fetching info. */
+ static void __devinit tg3_nvram_init(struct tg3 *tp)
+ {
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++ /* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
++ tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
++ return;
++ }
++
+ tw32_f(GRC_EEPROM_ADDR,
+ (EEPROM_ADDR_FSM_RESET |
+ (EEPROM_DEFAULT_CLOCK_PERIOD <<
+@@ -10900,6 +10964,9 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
+ {
+ int ret;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++ return -ENODEV;
++
+ if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
+ return tg3_nvram_read_using_eeprom(tp, offset, val);
+
+@@ -11147,6 +11214,9 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
+ {
+ int ret;
+
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++ return -ENODEV;
++
+ if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
+ tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
+ ~GRC_LCLCTRL_GPIO_OUTPUT1);
+@@ -12205,7 +12275,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
+ tp->write32 = tg3_write_flush_reg32;
+ }
+
+-
+ if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
+ (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
+ tp->write32_tx_mbox = tg3_write32_tx_mbox;
+@@ -12241,6 +12310,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
+ tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
+
++ if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
++ tp->write32_tx_mbox = tg3_write_flush_reg32;
++ tp->write32_rx_mbox = tg3_write_flush_reg32;
++ }
++
+ /* Get eeprom hw config before calling tg3_set_power_state().
+ * In particular, the TG3_FLG2_IS_NIC flag must be
+ * determined before calling tg3_set_power_state() so that
+@@ -12640,6 +12714,10 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
+ }
+
+ if (!is_valid_ether_addr(&dev->dev_addr[0])) {
++ if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++ ssb_gige_get_macaddr(tp->pdev, &dev->dev_addr[0]);
++ }
++ if (!is_valid_ether_addr(&dev->dev_addr[0])) {
+ #ifdef CONFIG_SPARC
+ if (!tg3_get_default_macaddr_sparc(tp))
+ return 0;
+@@ -13131,6 +13209,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
+ case PHY_ID_BCM5704: return "5704";
+ case PHY_ID_BCM5705: return "5705";
+ case PHY_ID_BCM5750: return "5750";
++ case PHY_ID_BCM5750_2: return "5750-2";
+ case PHY_ID_BCM5752: return "5752";
+ case PHY_ID_BCM5714: return "5714";
+ case PHY_ID_BCM5780: return "5780";
+@@ -13317,6 +13396,13 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
+ tp->msg_enable = tg3_debug;
+ else
+ tp->msg_enable = TG3_DEF_MSG_ENABLE;
++ if (pdev_is_ssb_gige_core(pdev)) {
++ tp->tg3_flags3 |= TG3_FLG3_IS_SSB_CORE;
++ if (ssb_gige_must_flush_posted_writes(pdev))
++ tp->tg3_flags3 |= TG3_FLG3_FLUSH_POSTED_WRITES;
++ if (ssb_gige_have_roboswitch(pdev))
++ tp->tg3_flags3 |= TG3_FLG3_ROBOSWITCH;
++ }
+
+ /* The word/byte swap controls here control register access byte
+ * swapping. DMA data byte swapping is controlled in the GRC_MODE
+diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
+--- a/drivers/net/tg3.h
++++ b/drivers/net/tg3.h
+@@ -2516,6 +2516,9 @@ struct tg3 {
+ #define TG3_FLG3_RGMII_STD_IBND_DISABLE 0x00000100
+ #define TG3_FLG3_RGMII_EXT_IBND_RX_EN 0x00000200
+ #define TG3_FLG3_RGMII_EXT_IBND_TX_EN 0x00000400
++#define TG3_FLG3_IS_SSB_CORE 0x00000800
++#define TG3_FLG3_FLUSH_POSTED_WRITES 0x00001000
++#define TG3_FLG3_ROBOSWITCH 0x00002000
+
+ struct timer_list timer;
+ u16 timer_counter;
+@@ -2574,6 +2577,7 @@ struct tg3 {
+ #define PHY_ID_BCM5714 0x60008340
+ #define PHY_ID_BCM5780 0x60008350
+ #define PHY_ID_BCM5755 0xbc050cc0
++#define PHY_ID_BCM5750_2 0xbc050cd0
+ #define PHY_ID_BCM5787 0xbc050ce0
+ #define PHY_ID_BCM5756 0xbc050ed0
+ #define PHY_ID_BCM5784 0xbc050fa0
+@@ -2613,7 +2617,7 @@ struct tg3 {
+ (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
+ (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
+ (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \
+- (X) == PHY_ID_BCM8002)
++ (X) == PHY_ID_BCM8002 || (X) == PHY_ID_BCM5750_2)
+
+ struct tg3_hw_stats *hw_stats;
+ dma_addr_t stats_mapping;
--- /dev/null
+diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -32,6 +32,7 @@
+ #include <asm/fw/cfe/cfe_error.h>
+
+ static int cfe_cons_handle;
++static void (* __prom_putchar)(char c);
+
+ const char *get_system_type(void)
+ {
+@@ -40,65 +41,40 @@ const char *get_system_type(void)
+
+ void prom_putchar(char c)
+ {
++ if (__prom_putchar)
++ __prom_putchar(c);
++}
++
++void prom_putchar_cfe(char c)
++{
+ while (cfe_write(cfe_cons_handle, &c, 1) == 0)
+ ;
+ }
+
+-static __init void prom_init_cfe(void)
++static __init int prom_init_cfe(void)
+ {
+ uint32_t cfe_ept;
+ uint32_t cfe_handle;
+ uint32_t cfe_eptseal;
+- int argc = fw_arg0;
+- char **envp = (char **) fw_arg2;
+- int *prom_vec = (int *) fw_arg3;
+
+- /*
+- * Check if a loader was used; if NOT, the 4 arguments are
+- * what CFE gives us (handle, 0, EPT and EPTSEAL)
+- */
+- if (argc < 0) {
+- cfe_handle = (uint32_t)argc;
+- cfe_ept = (uint32_t)envp;
+- cfe_eptseal = (uint32_t)prom_vec;
+- } else {
+- if ((int)prom_vec < 0) {
+- /*
+- * Old loader; all it gives us is the handle,
+- * so use the "known" entrypoint and assume
+- * the seal.
+- */
+- cfe_handle = (uint32_t)prom_vec;
+- cfe_ept = 0xBFC00500;
+- cfe_eptseal = CFE_EPTSEAL;
+- } else {
+- /*
+- * Newer loaders bundle the handle/ept/eptseal
+- * Note: prom_vec is in the loader's useg
+- * which is still alive in the TLB.
+- */
+- cfe_handle = prom_vec[0];
+- cfe_ept = prom_vec[2];
+- cfe_eptseal = prom_vec[3];
+- }
+- }
++ cfe_eptseal = (uint32_t) fw_arg3;
++ cfe_handle = (uint32_t) fw_arg0;
++ cfe_ept = (uint32_t) fw_arg2;
+
+- if (cfe_eptseal != CFE_EPTSEAL) {
+- /* too early for panic to do any good */
+- printk(KERN_ERR "CFE's entrypoint seal doesn't match.");
+- while (1) ;
+- }
++ if (cfe_eptseal != CFE_EPTSEAL)
++ return -1;
+
+ cfe_init(cfe_handle, cfe_ept);
++ return 0;
+ }
+
+-static __init void prom_init_console(void)
++static __init void prom_init_console_cfe(void)
+ {
+ /* Initialize CFE console */
+ cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
+ }
+
+-static __init void prom_init_cmdline(void)
++static __init void prom_init_cmdline_cfe(void)
+ {
+ char buf[CL_SIZE];
+
+@@ -146,9 +122,12 @@ static __init void prom_init_mem(void)
+
+ void __init prom_init(void)
+ {
+- prom_init_cfe();
+- prom_init_console();
+- prom_init_cmdline();
++ if (prom_init_cfe() == 0) {
++ prom_init_console_cfe();
++ prom_init_cmdline_cfe();
++ __prom_putchar = prom_putchar_cfe;
++ }
++
+ prom_init_mem();
+ }
+
projects / openwrt / openwrt.git / commitdiff