ramips: set clk_is_20mhz for rt2x00 on RT3352/RT5350
[openwrt/svn-archive/archive.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / devices.c
index 46bf460d9c35a2912d6301e30792184886fc8f9a..56eae8a9dc64deea4a96efe0fc9d745b235e4cba 100644 (file)
 
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/rt2x00_platform.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/addrspace.h>
 
@@ -20,6 +26,9 @@
 #include "devices.h"
 
 #include <ramips_eth_platform.h>
+#include <rt305x_esw_platform.h>
+#include <rt3883_ehci_platform.h>
+#include <rt3883_ohci_platform.h>
 
 static struct resource rt305x_flash0_resources[] = {
        {
@@ -30,10 +39,14 @@ static struct resource rt305x_flash0_resources[] = {
        },
 };
 
+struct physmap_flash_data rt305x_flash0_data;
 static struct platform_device rt305x_flash0_device = {
        .name           = "physmap-flash",
        .resource       = rt305x_flash0_resources,
        .num_resources  = ARRAY_SIZE(rt305x_flash0_resources),
+       .dev = {
+               .platform_data = &rt305x_flash0_data,
+       },
 };
 
 static struct resource rt305x_flash1_resources[] = {
@@ -45,17 +58,21 @@ static struct resource rt305x_flash1_resources[] = {
        },
 };
 
+struct physmap_flash_data rt305x_flash1_data;
 static struct platform_device rt305x_flash1_device = {
        .name           = "physmap-flash",
        .resource       = rt305x_flash1_resources,
        .num_resources  = ARRAY_SIZE(rt305x_flash1_resources),
+       .dev = {
+               .platform_data = &rt305x_flash1_data,
+       },
 };
 
 static int rt305x_flash_instance __initdata;
-void __init rt305x_register_flash(unsigned int id,
-                                 struct physmap_flash_data *pdata)
+void __init rt305x_register_flash(unsigned int id)
 {
        struct platform_device *pdev;
+       struct physmap_flash_data *pdata;
        u32 t;
        int reg;
 
@@ -75,6 +92,7 @@ void __init rt305x_register_flash(unsigned int id,
        t = rt305x_memc_rr(reg);
        t = (t >> FLASH_CFG_WIDTH_SHIFT) & FLASH_CFG_WIDTH_MASK;
 
+       pdata = pdev->dev.platform_data;
        switch (t) {
        case FLASH_CFG_WIDTH_8BIT:
                pdata->width = 1;
@@ -90,7 +108,6 @@ void __init rt305x_register_flash(unsigned int id,
                return;
        }
 
-       pdev->dev.platform_data = pdata;
        pdev->id = rt305x_flash_instance;
 
        platform_device_register(pdev);
@@ -138,7 +155,19 @@ static struct resource rt305x_esw_resources[] = {
        },
 };
 
-struct rt305x_esw_platform_data rt305x_esw_data;
+struct rt305x_esw_platform_data rt305x_esw_data = {
+       /* All ports are LAN ports. */
+       .vlan_config            = RT305X_ESW_VLAN_CONFIG_NONE,
+       .reg_initval_fct2       = 0x00d6500c,
+       /*
+        * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
+        * turbo mii off, rgmi 3.3v off
+        * port5: disabled
+        * port6: enabled, gige, full-duplex, rx/tx-flow-control
+        */
+       .reg_initval_fpa2       = 0x3f502b28,
+};
+
 static struct platform_device rt305x_esw_device = {
        .name           = "rt305x-esw",
        .resource       = rt305x_esw_resources,
@@ -150,7 +179,13 @@ static struct platform_device rt305x_esw_device = {
 
 void __init rt305x_register_ethernet(void)
 {
-       ramips_eth_data.sys_freq = rt305x_sys_freq;
+       struct clk *clk;
+
+       clk = clk_get(NULL, "sys");
+       if (IS_ERR(clk))
+               panic("unable to get SYS clock, err=%ld", PTR_ERR(clk));
+
+       ramips_eth_data.sys_freq = clk_get_rate(clk);
 
        platform_device_register(&rt305x_esw_device);
        platform_device_register(&rt305x_eth_device);
@@ -168,16 +203,219 @@ static struct resource rt305x_wifi_resources[] = {
        },
 };
 
+static struct rt2x00_platform_data rt305x_wifi_data;
 static struct platform_device rt305x_wifi_device = {
        .name                   = "rt2800_wmac",
        .resource               = rt305x_wifi_resources,
        .num_resources  = ARRAY_SIZE(rt305x_wifi_resources),
        .dev = {
-               .platform_data = NULL,
+               .platform_data = &rt305x_wifi_data,
        }
 };
 
 void __init rt305x_register_wifi(void)
 {
+       u32 t;
+       rt305x_wifi_data.eeprom_file_name = "RT305X.eeprom";
+
+       if (soc_is_rt3352() || soc_is_rt5350()) {
+               t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
+               t &= RT3352_SYSCFG0_XTAL_SEL;
+               if (!t)
+                       rt305x_wifi_data.clk_is_20mhz = 1;
+       }
        platform_device_register(&rt305x_wifi_device);
 }
+
+static struct resource rt305x_wdt_resources[] = {
+       {
+               .start  = RT305X_TIMER_BASE,
+               .end    = RT305X_TIMER_BASE + RT305X_TIMER_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device rt305x_wdt_device = {
+       .name           = "ramips-wdt",
+       .id             = -1,
+       .resource       = rt305x_wdt_resources,
+       .num_resources  = ARRAY_SIZE(rt305x_wdt_resources),
+};
+
+void __init rt305x_register_wdt(void)
+{
+       u32 t;
+
+       /* enable WDT reset output on pin SRAM_CS_N */
+       t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
+       t |= RT305X_SYSCFG_SRAM_CS0_MODE_WDT <<
+            RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT;
+       rt305x_sysc_wr(t, SYSC_REG_SYSTEM_CONFIG);
+
+       platform_device_register(&rt305x_wdt_device);
+}
+
+static struct resource rt305x_spi_resources[] = {
+       {
+               .flags  = IORESOURCE_MEM,
+               .start  = RT305X_SPI_BASE,
+               .end    = RT305X_SPI_BASE + RT305X_SPI_SIZE - 1,
+       },
+};
+
+static struct platform_device rt305x_spi_device = {
+       .name           = "ramips-spi",
+       .id             = 0,
+       .resource       = rt305x_spi_resources,
+       .num_resources  = ARRAY_SIZE(rt305x_spi_resources),
+};
+
+void __init rt305x_register_spi(struct spi_board_info *info, int n)
+{
+       spi_register_board_info(info, n);
+       platform_device_register(&rt305x_spi_device);
+}
+
+static struct resource rt305x_dwc_otg_resources[] = {
+       {
+               .start  = RT305X_OTG_BASE,
+               .end    = RT305X_OTG_BASE + 0x3FFFF,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .start  = RT305X_INTC_IRQ_OTG,
+               .end    = RT305X_INTC_IRQ_OTG,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device rt305x_dwc_otg_device = {
+       .name                   = "dwc_otg",
+       .resource               = rt305x_dwc_otg_resources,
+       .num_resources  = ARRAY_SIZE(rt305x_dwc_otg_resources),
+       .dev = {
+               .platform_data = NULL,
+       }
+};
+
+static atomic_t rt3352_usb_use_count = ATOMIC_INIT(0);
+
+static void rt3352_usb_host_start(void)
+{
+       u32 t;
+
+       if (atomic_inc_return(&rt3352_usb_use_count) != 1)
+               return;
+
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
+
+       /* enable clock for port0's and port1's phys */
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
+       t = t | RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN;
+       rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
+       mdelay(500);
+
+       /* pull USBHOST and USBDEV out from reset */
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
+       t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV);
+       rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
+       mdelay(500);
+
+       /* enable host mode */
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1);
+       t |= RT3352_SYSCFG1_USB0_HOST_MODE;
+       rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1);
+
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
+}
+
+static void rt3352_usb_host_stop(void)
+{
+       u32 t;
+
+       if (atomic_dec_return(&rt3352_usb_use_count) != 0)
+               return;
+
+       /* put USBHOST and USBDEV into reset */
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
+       t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV;
+       rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
+       udelay(10000);
+
+       /* disable clock for port0's and port1's phys*/
+       t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
+       t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN);
+       rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
+       udelay(10000);
+}
+
+static struct rt3883_ehci_platform_data rt3352_ehci_data = {
+       .start_hw       = rt3352_usb_host_start,
+       .stop_hw        = rt3352_usb_host_stop,
+};
+
+static struct resource rt3352_ehci_resources[] = {
+       {
+               .start  = RT3352_EHCI_BASE,
+               .end    = RT3352_EHCI_BASE + RT3352_EHCI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .start  = RT305X_INTC_IRQ_OTG,
+               .end    = RT305X_INTC_IRQ_OTG,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static u64 rt3352_ehci_dmamask = DMA_BIT_MASK(32);
+static struct platform_device rt3352_ehci_device = {
+       .name           = "rt3883-ehci",
+       .id             = -1,
+       .resource       = rt3352_ehci_resources,
+       .num_resources  = ARRAY_SIZE(rt3352_ehci_resources),
+       .dev            = {
+               .dma_mask               = &rt3352_ehci_dmamask,
+               .coherent_dma_mask      = DMA_BIT_MASK(32),
+               .platform_data          = &rt3352_ehci_data,
+       },
+};
+
+static struct resource rt3352_ohci_resources[] = {
+       {
+               .start  = RT3352_OHCI_BASE,
+               .end    = RT3352_OHCI_BASE + RT3352_OHCI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .start  = RT305X_INTC_IRQ_OTG,
+               .end    = RT305X_INTC_IRQ_OTG,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct rt3883_ohci_platform_data rt3352_ohci_data = {
+       .start_hw       = rt3352_usb_host_start,
+       .stop_hw        = rt3352_usb_host_stop,
+};
+
+static u64 rt3352_ohci_dmamask = DMA_BIT_MASK(32);
+static struct platform_device rt3352_ohci_device = {
+       .name           = "rt3883-ohci",
+       .id             = -1,
+       .resource       = rt3352_ohci_resources,
+       .num_resources  = ARRAY_SIZE(rt3352_ohci_resources),
+       .dev            = {
+               .dma_mask               = &rt3352_ohci_dmamask,
+               .coherent_dma_mask      = DMA_BIT_MASK(32),
+               .platform_data          = &rt3352_ohci_data,
+       },
+};
+
+void __init rt305x_register_usb(void)
+{
+       if (soc_is_rt305x() || soc_is_rt3350()) {
+               platform_device_register(&rt305x_dwc_otg_device);
+       } else if (soc_is_rt3352() || soc_is_rt5350()) {
+               platform_device_register(&rt3352_ehci_device);
+               platform_device_register(&rt3352_ohci_device);
+       } else {
+               BUG();
+       }
+}