linux: ar71xx: add support for Mikrotik Routerboard RB493G
[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-rb4xx.c
index 49089f59b279f1b2d023eb390af6d58681dcb74e..88e29c080cd775acf679693c31de0c290f7197cd 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  MikroTik RouterBOARD 4xx series support
  *
- *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
  *  This program is free software; you can redistribute it and/or modify it
 
 #include <linux/platform_device.h>
 #include <linux/irq.h>
+#include <linux/mdio-gpio.h>
 #include <linux/mmc/host.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/spi/mmc_spi.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/mach-ar71xx/ar71xx.h>
 #include <asm/mach-ar71xx/pci.h>
+#include <asm/mach-ar71xx/rb4xx_cpld.h>
 
 #include "machtype.h"
 #include "devices.h"
 #define RB4XX_GPIO_USER_LED    4
 #define RB4XX_GPIO_RESET_SWITCH        7
 
-#define RB4XX_BUTTONS_POLL_INTERVAL    20
+#define RB4XX_GPIO_CPLD_BASE   32
+#define RB4XX_GPIO_CPLD_LED1   (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED1)
+#define RB4XX_GPIO_CPLD_LED2   (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED2)
+#define RB4XX_GPIO_CPLD_LED3   (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED3)
+#define RB4XX_GPIO_CPLD_LED4   (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED4)
+#define RB4XX_GPIO_CPLD_LED5   (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED5)
+
+#define RB4XX_KEYS_POLL_INTERVAL       20      /* msecs */
+#define RB4XX_KEYS_DEBOUNCE_INTERVAL   (3 * RB4XX_KEYS_POLL_INTERVAL)
 
 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
        {
                .name           = "rb4xx:yellow:user",
                .gpio           = RB4XX_GPIO_USER_LED,
                .active_low     = 0,
+       }, {
+               .name           = "rb4xx:green:led1",
+               .gpio           = RB4XX_GPIO_CPLD_LED1,
+               .active_low     = 1,
+       }, {
+               .name           = "rb4xx:green:led2",
+               .gpio           = RB4XX_GPIO_CPLD_LED2,
+               .active_low     = 1,
+       }, {
+               .name           = "rb4xx:green:led3",
+               .gpio           = RB4XX_GPIO_CPLD_LED3,
+               .active_low     = 1,
+       }, {
+               .name           = "rb4xx:green:led4",
+               .gpio           = RB4XX_GPIO_CPLD_LED4,
+               .active_low     = 1,
+       }, {
+               .name           = "rb4xx:green:led5",
+               .gpio           = RB4XX_GPIO_CPLD_LED5,
+               .active_low     = 0,
        },
 };
 
-static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
+static struct gpio_keys_button rb4xx_gpio_keys[] __initdata = {
        {
                .desc           = "reset_switch",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
-               .threshold      = 3,
+               .debounce_interval = RB4XX_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = RB4XX_GPIO_RESET_SWITCH,
                .active_low     = 1,
        }
@@ -78,107 +110,117 @@ static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
        }
 };
 
-#if 0
-/*
- * SPI device support is experimental
- */
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition rb4xx_partitions[] = {
+       {
+               .name           = "routerboot",
+               .offset         = 0,
+               .size           = 0x0b000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "hard_config",
+               .offset         = 0x0b000,
+               .size           = 0x01000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "bios",
+               .offset         = 0x0d000,
+               .size           = 0x02000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "soft_config",
+               .offset         = 0x0f000,
+               .size           = 0x01000,
+       }
+};
+#define rb4xx_num_partitions   ARRAY_SIZE(rb4xx_partitions)
+#else /* CONFIG_MTD_PARTITIONS */
+#define rb4xx_partitions       NULL
+#define rb4xx_num_partitions   0
+#endif /* CONFIG_MTD_PARTITIONS */
+
 static struct flash_platform_data rb4xx_flash_data = {
-       .type   = "pm25lv512",
+       .type           = "pm25lv512",
+       .parts          = rb4xx_partitions,
+       .nr_parts       = rb4xx_num_partitions,
 };
 
-static struct spi_board_info rb4xx_spi_info[] = {
-       {
-               .bus_num        = 0,
-               .chip_select    = 0,
-               .max_speed_hz   = 25000000,
-               .modalias       = "m25p80",
-               .platform_data  = &rb4xx_flash_data,
-       }
+static struct rb4xx_cpld_platform_data rb4xx_cpld_data = {
+       .gpio_base      = RB4XX_GPIO_CPLD_BASE,
 };
 
-static struct mmc_spi_platform_data rb433_mmc_data = {
+static struct mmc_spi_platform_data rb4xx_mmc_data = {
        .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 };
 
-static struct spi_board_info rb433_spi_info[] = {
+static struct spi_board_info rb4xx_spi_info[] = {
        {
                .bus_num        = 0,
                .chip_select    = 0,
                .max_speed_hz   = 25000000,
                .modalias       = "m25p80",
-               .platform_data  = &rb433_flash_data,
+               .platform_data  = &rb4xx_flash_data,
        }, {
                .bus_num        = 0,
-               .chip_select    = 2,
+               .chip_select    = 1,
                .max_speed_hz   = 25000000,
-               .modalias       = "mmc_spi",
-               .platform_data  = &rb433_mmc_data,
+               .modalias       = "spi-rb4xx-cpld",
+               .platform_data  = &rb4xx_cpld_data,
        }
 };
 
-static u32 rb433_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
-{
-       u32 ret;
-
-       if (is_on == AR71XX_SPI_CS_INACTIVE) {
-               ret = SPI_IOC_CS0 | SPI_IOC_CS1;
-       } else {
-               if (cs_high) {
-                       ret = SPI_IOC_CS0 | SPI_IOC_CS1;
-               } else {
-                       if ((chip_select ^ 2) == 0)
-                               ret = SPI_IOC_CS1 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
-                       else
-                               ret = SPI_IOC_CS0 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
-               }
+static struct spi_board_info rb4xx_microsd_info[] = {
+       {
+               .bus_num        = 0,
+               .chip_select    = 2,
+               .max_speed_hz   = 25000000,
+               .modalias       = "mmc_spi",
+               .platform_data  = &rb4xx_mmc_data,
        }
+};
 
-       return ret;
-}
 
-struct ar71xx_spi_platform_data rb433_spi_data = {
-       .bus_num                = 0,
-       .num_chipselect         = 3,
-       .get_ioc_base           = rb433_spi_get_ioc_base,
+static struct resource rb4xx_spi_resources[] = {
+       {
+               .start  = AR71XX_SPI_BASE,
+               .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
 };
 
-static void rb4xx_add_device_spi(void)
-{
-       ar71xx_add_device_spi(NULL, rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
-}
-
-static void rb433_add_device_spi(void)
-{
-       ar71xx_add_device_spi(&rb433_spi_data, rb433_spi_info,
-                               ARRAY_SIZE(rb433_spi_info));
-}
-#else
-static inline void rb4xx_add_device_spi(void) {}
-static inline void rb433_add_device_spi(void) {}
-#endif
+static struct platform_device rb4xx_spi_device = {
+       .name           = "rb4xx-spi",
+       .id             = -1,
+       .resource       = rb4xx_spi_resources,
+       .num_resources  = ARRAY_SIZE(rb4xx_spi_resources),
+};
 
 static void __init rb4xx_generic_setup(void)
 {
        ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
-                                   AR71XX_GPIO_FUNC_SPI_CS2_EN);
+                                       AR71XX_GPIO_FUNC_SPI_CS2_EN);
 
        ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
                                        rb4xx_leds_gpio);
 
-       ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
-                                       ARRAY_SIZE(rb4xx_gpio_buttons),
-                                       rb4xx_gpio_buttons);
+       ar71xx_register_gpio_keys_polled(-1, RB4XX_KEYS_POLL_INTERVAL,
+                                        ARRAY_SIZE(rb4xx_gpio_keys),
+                                        rb4xx_gpio_keys);
 
+       spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
+       platform_device_register(&rb4xx_spi_device);
        platform_device_register(&rb4xx_nand_device);
 }
 
 static void __init rb411_setup(void)
 {
        rb4xx_generic_setup();
-       rb4xx_add_device_spi();
+       spi_register_board_info(rb4xx_microsd_info,
+                               ARRAY_SIZE(rb4xx_microsd_info));
 
        ar71xx_add_device_mdio(0xfffffffc);
 
+       ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
        ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ar71xx_eth0_data.phy_mask = 0x00000003;
 
@@ -199,19 +241,25 @@ static void __init rb411u_setup(void)
 MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
             rb411u_setup);
 
+#define RB433_LAN_PHYMASK      BIT(0)
+#define RB433_WAN_PHYMASK      BIT(4)
+#define RB433_MDIO_PHYMASK     (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
+
 static void __init rb433_setup(void)
 {
        rb4xx_generic_setup();
-       rb433_add_device_spi();
+       spi_register_board_info(rb4xx_microsd_info,
+                               ARRAY_SIZE(rb4xx_microsd_info));
 
-       ar71xx_add_device_mdio(0xffffffe9);
+       ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
 
+       ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
        ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
-       ar71xx_eth0_data.speed = SPEED_100;
-       ar71xx_eth0_data.duplex = DUPLEX_FULL;
+       ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
 
+       ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
        ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
-       ar71xx_eth1_data.phy_mask = 0x00000010;
+       ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
 
        ar71xx_add_device_eth(1);
        ar71xx_add_device_eth(0);
@@ -231,20 +279,24 @@ static void __init rb433u_setup(void)
 MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
             rb433u_setup);
 
+#define RB450_LAN_PHYMASK      BIT(0)
+#define RB450_WAN_PHYMASK      BIT(4)
+#define RB450_MDIO_PHYMASK     (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
+
 static void __init rb450_generic_setup(int gige)
 {
        rb4xx_generic_setup();
-       rb4xx_add_device_spi();
-
-       ar71xx_add_device_mdio(0xffffffe0);
+       ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
 
-       ar71xx_eth0_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
-       ar71xx_eth0_data.phy_mask = (gige) ? (1 << 0) : 0;
-       ar71xx_eth0_data.speed = (gige) ? SPEED_1000 : SPEED_100;
-       ar71xx_eth0_data.duplex = DUPLEX_FULL;
+       ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
+       ar71xx_eth0_data.phy_if_mode = (gige) ?
+               PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
+       ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
 
-       ar71xx_eth1_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
-       ar71xx_eth1_data.phy_mask = 0x00000010;
+       ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
+       ar71xx_eth1_data.phy_if_mode = (gige) ?
+               PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
+       ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
 
        ar71xx_add_device_eth(1);
        ar71xx_add_device_eth(0);
@@ -261,6 +313,8 @@ MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
 static void __init rb450g_setup(void)
 {
        rb450_generic_setup(1);
+       spi_register_board_info(rb4xx_microsd_info,
+                               ARRAY_SIZE(rb4xx_microsd_info));
 }
 
 MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
@@ -269,14 +323,15 @@ MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
 static void __init rb493_setup(void)
 {
        rb4xx_generic_setup();
-       rb4xx_add_device_spi();
 
        ar71xx_add_device_mdio(0x3fffff00);
 
+       ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
        ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ar71xx_eth0_data.speed = SPEED_100;
        ar71xx_eth0_data.duplex = DUPLEX_FULL;
 
+       ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
        ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
        ar71xx_eth1_data.phy_mask = 0x00000001;
 
@@ -288,3 +343,64 @@ static void __init rb493_setup(void)
 
 MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
             rb493_setup);
+
+#define RB493G_GPIO_MDIO_MDC           7
+#define RB493G_GPIO_MDIO_DATA          8
+
+#define RB493G_MDIO_PHYMASK            BIT(0)
+
+static struct mdio_gpio_platform_data rb493g_mdio_data = {
+       .mdc            = RB493G_GPIO_MDIO_MDC,
+       .mdio           = RB493G_GPIO_MDIO_DATA,
+
+       .phy_mask       = ~RB493G_MDIO_PHYMASK,
+};
+
+static struct platform_device rb493g_mdio_device = {
+       .name           = "mdio-gpio",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &rb493g_mdio_data,
+       },
+};
+
+static void __init rb493g_setup(void)
+{
+       ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
+                                   AR71XX_GPIO_FUNC_SPI_CS2_EN);
+
+       ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
+                                   rb4xx_leds_gpio);
+
+       spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
+       platform_device_register(&rb4xx_spi_device);
+       platform_device_register(&rb4xx_nand_device);
+
+       ar71xx_add_device_mdio(~RB493G_MDIO_PHYMASK);
+
+       ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
+       ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+       ar71xx_eth0_data.phy_mask = RB493G_MDIO_PHYMASK;
+       ar71xx_eth0_data.speed = SPEED_1000;
+       ar71xx_eth0_data.duplex = DUPLEX_FULL;
+
+       ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
+       ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+       ar71xx_eth1_data.mii_bus_dev = &rb493g_mdio_device.dev;
+       ar71xx_eth1_data.phy_mask = RB493G_MDIO_PHYMASK;
+       ar71xx_eth1_data.speed = SPEED_1000;
+       ar71xx_eth1_data.duplex = DUPLEX_FULL;
+
+
+       platform_device_register(&rb493g_mdio_device);
+
+       ar71xx_add_device_eth(1);
+       ar71xx_add_device_eth(0);
+
+       ar71xx_add_device_usb();
+
+       ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
+}
+
+MIPS_MACHINE(AR71XX_MACH_RB_493G, "493G", "MikroTik RouterBOARD 493G",
+            rb493g_setup);