target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb4xx.c

   1 /*
   2  *  MikroTik RouterBOARD 4xx series support
   3  *
   4  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/platform_device.h>
  13 #include <linux/irq.h>
  14 #include <linux/mmc/host.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/spi/mmc_spi.h>
  18 #include <linux/mtd/mtd.h>
  19 #include <linux/mtd/partitions.h>
  20
  21 #include <asm/mach-ar71xx/ar71xx.h>
  22 #include <asm/mach-ar71xx/pci.h>
  23 #include <asm/mach-ar71xx/rb4xx_cpld.h>
  24
  25 #include "machtype.h"
  26 #include "devices.h"
  27 #include "dev-gpio-buttons.h"
  28 #include "dev-leds-gpio.h"
  29 #include "dev-usb.h"
  30
  31 #define RB4XX_GPIO_USER_LED     4
  32 #define RB4XX_GPIO_RESET_SWITCH 7
  33
  34 #define RB4XX_GPIO_CPLD_BASE    32
  35 #define RB4XX_GPIO_CPLD_LED1    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED1)
  36 #define RB4XX_GPIO_CPLD_LED2    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED2)
  37 #define RB4XX_GPIO_CPLD_LED3    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED3)
  38 #define RB4XX_GPIO_CPLD_LED4    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED4)
  39 #define RB4XX_GPIO_CPLD_LED5    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED5)
  40
  41 #define RB4XX_BUTTONS_POLL_INTERVAL     20
  42
  43 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "rb4xx:yellow:user",
  46                 .gpio           = RB4XX_GPIO_USER_LED,
  47                 .active_low     = 0,
  48         }, {
  49                 .name           = "rb4xx:green:led1",
  50                 .gpio           = RB4XX_GPIO_CPLD_LED1,
  51                 .active_low     = 1,
  52         }, {
  53                 .name           = "rb4xx:green:led2",
  54                 .gpio           = RB4XX_GPIO_CPLD_LED2,
  55                 .active_low     = 1,
  56         }, {
  57                 .name           = "rb4xx:green:led3",
  58                 .gpio           = RB4XX_GPIO_CPLD_LED3,
  59                 .active_low     = 1,
  60         }, {
  61                 .name           = "rb4xx:green:led4",
  62                 .gpio           = RB4XX_GPIO_CPLD_LED4,
  63                 .active_low     = 1,
  64         }, {
  65                 .name           = "rb4xx:green:led5",
  66                 .gpio           = RB4XX_GPIO_CPLD_LED5,
  67                 .active_low     = 0,
  68         },
  69 };
  70
  71 static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
  72         {
  73                 .desc           = "reset_switch",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_RESTART,
  76                 .threshold      = 3,
  77                 .gpio           = RB4XX_GPIO_RESET_SWITCH,
  78                 .active_low     = 1,
  79         }
  80 };
  81
  82 static struct platform_device rb4xx_nand_device = {
  83         .name   = "rb4xx-nand",
  84         .id     = -1,
  85 };
  86
  87 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
  88         {
  89                 .slot   = 0,
  90                 .pin    = 1,
  91                 .irq    = AR71XX_PCI_IRQ_DEV2,
  92         }, {
  93                 .slot   = 1,
  94                 .pin    = 1,
  95                 .irq    = AR71XX_PCI_IRQ_DEV0,
  96         }, {
  97                 .slot   = 1,
  98                 .pin    = 2,
  99                 .irq    = AR71XX_PCI_IRQ_DEV1,
 100         }, {
 101                 .slot   = 2,
 102                 .pin    = 1,
 103                 .irq    = AR71XX_PCI_IRQ_DEV1,
 104         }, {
 105                 .slot   = 3,
 106                 .pin    = 1,
 107                 .irq    = AR71XX_PCI_IRQ_DEV2,
 108         }
 109 };
 110
 111 #ifdef CONFIG_MTD_PARTITIONS
 112 static struct mtd_partition rb4xx_partitions[] = {
 113         {
 114                 .name           = "routerboot",
 115                 .offset         = 0,
 116                 .size           = 0x0b000,
 117                 .mask_flags     = MTD_WRITEABLE,
 118         }, {
 119                 .name           = "hard_config",
 120                 .offset         = 0x0b000,
 121                 .size           = 0x01000,
 122                 .mask_flags     = MTD_WRITEABLE,
 123         }, {
 124                 .name           = "bios",
 125                 .offset         = 0x0d000,
 126                 .size           = 0x02000,
 127                 .mask_flags     = MTD_WRITEABLE,
 128         }, {
 129                 .name           = "soft_config",
 130                 .offset         = 0x0f000,
 131                 .size           = 0x01000,
 132         }
 133 };
 134 #define rb4xx_num_partitions    ARRAY_SIZE(rb4xx_partitions)
 135 #else /* CONFIG_MTD_PARTITIONS */
 136 #define rb4xx_partitions        NULL
 137 #define rb4xx_num_partitions    0
 138 #endif /* CONFIG_MTD_PARTITIONS */
 139
 140 static struct flash_platform_data rb4xx_flash_data = {
 141         .type   = "pm25lv512",
 142         .parts  = rb4xx_partitions,
 143         .nr_parts = rb4xx_num_partitions,
 144 };
 145
 146 static struct rb4xx_cpld_platform_data rb4xx_cpld_data = {
 147         .gpio_base      = RB4XX_GPIO_CPLD_BASE,
 148 };
 149
 150 static struct mmc_spi_platform_data rb4xx_mmc_data = {
 151         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 152 };
 153
 154 static struct spi_board_info rb4xx_spi_info[] = {
 155         {
 156                 .bus_num        = 0,
 157                 .chip_select    = 0,
 158                 .max_speed_hz   = 25000000,
 159                 .modalias       = "m25p80",
 160                 .platform_data  = &rb4xx_flash_data,
 161         }, {
 162                 .bus_num        = 0,
 163                 .chip_select    = 1,
 164                 .max_speed_hz   = 25000000,
 165                 .modalias       = "spi-rb4xx-cpld",
 166                 .platform_data  = &rb4xx_cpld_data,
 167         }
 168 };
 169
 170 static struct spi_board_info rb4xx_microsd_info[] = {
 171         {
 172                 .bus_num        = 0,
 173                 .chip_select    = 2,
 174                 .max_speed_hz   = 25000000,
 175                 .modalias       = "mmc_spi",
 176                 .platform_data  = &rb4xx_mmc_data,
 177         }
 178 };
 179
 180
 181 static struct resource rb4xx_spi_resources[] = {
 182         {
 183                 .start  = AR71XX_SPI_BASE,
 184                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
 185                 .flags  = IORESOURCE_MEM,
 186         },
 187 };
 188
 189 static struct platform_device rb4xx_spi_device = {
 190         .name           = "rb4xx-spi",
 191         .id             = -1,
 192         .resource       = rb4xx_spi_resources,
 193         .num_resources  = ARRAY_SIZE(rb4xx_spi_resources),
 194 };
 195
 196 static void __init rb4xx_generic_setup(void)
 197 {
 198         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 199                                     AR71XX_GPIO_FUNC_SPI_CS2_EN);
 200
 201         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 202                                         rb4xx_leds_gpio);
 203
 204         ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
 205                                         ARRAY_SIZE(rb4xx_gpio_buttons),
 206                                         rb4xx_gpio_buttons);
 207
 208         spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 209         platform_device_register(&rb4xx_spi_device);
 210         platform_device_register(&rb4xx_nand_device);
 211 }
 212
 213 static void __init rb411_setup(void)
 214 {
 215         rb4xx_generic_setup();
 216         spi_register_board_info(rb4xx_microsd_info,
 217                                 ARRAY_SIZE(rb4xx_microsd_info));
 218
 219         ar71xx_add_device_mdio(0xfffffffc);
 220
 221         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 222         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 223         ar71xx_eth0_data.phy_mask = 0x00000003;
 224
 225         ar71xx_add_device_eth(0);
 226
 227         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 228 }
 229
 230 MIPS_MACHINE(AR71XX_MACH_RB_411, "411", "MikroTik RouterBOARD 411/A/AH",
 231              rb411_setup);
 232
 233 static void __init rb411u_setup(void)
 234 {
 235         rb411_setup();
 236         ar71xx_add_device_usb();
 237 }
 238
 239 MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
 240              rb411u_setup);
 241
 242 #define RB433_LAN_PHYMASK       BIT(0)
 243 #define RB433_WAN_PHYMASK       BIT(4)
 244 #define RB433_MDIO_PHYMASK      (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
 245
 246 static void __init rb433_setup(void)
 247 {
 248         rb4xx_generic_setup();
 249         spi_register_board_info(rb4xx_microsd_info,
 250                                 ARRAY_SIZE(rb4xx_microsd_info));
 251
 252         ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
 253
 254         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 255         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 256         ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
 257
 258         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 259         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 260         ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
 261
 262         ar71xx_add_device_eth(1);
 263         ar71xx_add_device_eth(0);
 264
 265         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 266 }
 267
 268 MIPS_MACHINE(AR71XX_MACH_RB_433, "433", "MikroTik RouterBOARD 433/AH",
 269              rb433_setup);
 270
 271 static void __init rb433u_setup(void)
 272 {
 273         rb433_setup();
 274         ar71xx_add_device_usb();
 275 }
 276
 277 MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
 278              rb433u_setup);
 279
 280 #define RB450_LAN_PHYMASK       BIT(0)
 281 #define RB450_WAN_PHYMASK       BIT(4)
 282 #define RB450_MDIO_PHYMASK      (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
 283
 284 static void __init rb450_generic_setup(int gige)
 285 {
 286         rb4xx_generic_setup();
 287         ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
 288
 289         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 290         ar71xx_eth0_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
 291         ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
 292
 293         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 294         ar71xx_eth1_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
 295         ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
 296
 297         ar71xx_add_device_eth(1);
 298         ar71xx_add_device_eth(0);
 299 }
 300
 301 static void __init rb450_setup(void)
 302 {
 303         rb450_generic_setup(0);
 304 }
 305
 306 MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
 307              rb450_setup);
 308
 309 static void __init rb450g_setup(void)
 310 {
 311         rb450_generic_setup(1);
 312         spi_register_board_info(rb4xx_microsd_info,
 313                                 ARRAY_SIZE(rb4xx_microsd_info));
 314 }
 315
 316 MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
 317              rb450g_setup);
 318
 319 static void __init rb493_setup(void)
 320 {
 321         rb4xx_generic_setup();
 322
 323         ar71xx_add_device_mdio(0x3fffff00);
 324
 325         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 326         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 327         ar71xx_eth0_data.speed = SPEED_100;
 328         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 329
 330         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
 331         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 332         ar71xx_eth1_data.phy_mask = 0x00000001;
 333
 334         ar71xx_add_device_eth(0);
 335         ar71xx_add_device_eth(1);
 336
 337         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 338 }
 339
 340 MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
 341              rb493_setup);