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_KEYS_POLL_INTERVAL        20      /* msecs */
  42 #define RB4XX_KEYS_DEBOUNCE_INTERVAL    (3 * RB4XX_KEYS_POLL_INTERVAL)
  43
  44 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
  45         {
  46                 .name           = "rb4xx:yellow:user",
  47                 .gpio           = RB4XX_GPIO_USER_LED,
  48                 .active_low     = 0,
  49         }, {
  50                 .name           = "rb4xx:green:led1",
  51                 .gpio           = RB4XX_GPIO_CPLD_LED1,
  52                 .active_low     = 1,
  53         }, {
  54                 .name           = "rb4xx:green:led2",
  55                 .gpio           = RB4XX_GPIO_CPLD_LED2,
  56                 .active_low     = 1,
  57         }, {
  58                 .name           = "rb4xx:green:led3",
  59                 .gpio           = RB4XX_GPIO_CPLD_LED3,
  60                 .active_low     = 1,
  61         }, {
  62                 .name           = "rb4xx:green:led4",
  63                 .gpio           = RB4XX_GPIO_CPLD_LED4,
  64                 .active_low     = 1,
  65         }, {
  66                 .name           = "rb4xx:green:led5",
  67                 .gpio           = RB4XX_GPIO_CPLD_LED5,
  68                 .active_low     = 0,
  69         },
  70 };
  71
  72 static struct gpio_keys_button rb4xx_gpio_keys[] __initdata = {
  73         {
  74                 .desc           = "reset_switch",
  75                 .type           = EV_KEY,
  76                 .code           = KEY_RESTART,
  77                 .debounce_interval = RB4XX_KEYS_DEBOUNCE_INTERVAL,
  78                 .gpio           = RB4XX_GPIO_RESET_SWITCH,
  79                 .active_low     = 1,
  80         }
  81 };
  82
  83 static struct platform_device rb4xx_nand_device = {
  84         .name   = "rb4xx-nand",
  85         .id     = -1,
  86 };
  87
  88 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
  89         {
  90                 .slot   = 0,
  91                 .pin    = 1,
  92                 .irq    = AR71XX_PCI_IRQ_DEV2,
  93         }, {
  94                 .slot   = 1,
  95                 .pin    = 1,
  96                 .irq    = AR71XX_PCI_IRQ_DEV0,
  97         }, {
  98                 .slot   = 1,
  99                 .pin    = 2,
 100                 .irq    = AR71XX_PCI_IRQ_DEV1,
 101         }, {
 102                 .slot   = 2,
 103                 .pin    = 1,
 104                 .irq    = AR71XX_PCI_IRQ_DEV1,
 105         }, {
 106                 .slot   = 3,
 107                 .pin    = 1,
 108                 .irq    = AR71XX_PCI_IRQ_DEV2,
 109         }
 110 };
 111
 112 #ifdef CONFIG_MTD_PARTITIONS
 113 static struct mtd_partition rb4xx_partitions[] = {
 114         {
 115                 .name           = "routerboot",
 116                 .offset         = 0,
 117                 .size           = 0x0b000,
 118                 .mask_flags     = MTD_WRITEABLE,
 119         }, {
 120                 .name           = "hard_config",
 121                 .offset         = 0x0b000,
 122                 .size           = 0x01000,
 123                 .mask_flags     = MTD_WRITEABLE,
 124         }, {
 125                 .name           = "bios",
 126                 .offset         = 0x0d000,
 127                 .size           = 0x02000,
 128                 .mask_flags     = MTD_WRITEABLE,
 129         }, {
 130                 .name           = "soft_config",
 131                 .offset         = 0x0f000,
 132                 .size           = 0x01000,
 133         }
 134 };
 135 #define rb4xx_num_partitions    ARRAY_SIZE(rb4xx_partitions)
 136 #else /* CONFIG_MTD_PARTITIONS */
 137 #define rb4xx_partitions        NULL
 138 #define rb4xx_num_partitions    0
 139 #endif /* CONFIG_MTD_PARTITIONS */
 140
 141 static struct flash_platform_data rb4xx_flash_data = {
 142         .type           = "pm25lv512",
 143         .parts          = rb4xx_partitions,
 144         .nr_parts       = rb4xx_num_partitions,
 145 };
 146
 147 static struct rb4xx_cpld_platform_data rb4xx_cpld_data = {
 148         .gpio_base      = RB4XX_GPIO_CPLD_BASE,
 149 };
 150
 151 static struct mmc_spi_platform_data rb4xx_mmc_data = {
 152         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 153 };
 154
 155 static struct spi_board_info rb4xx_spi_info[] = {
 156         {
 157                 .bus_num        = 0,
 158                 .chip_select    = 0,
 159                 .max_speed_hz   = 25000000,
 160                 .modalias       = "m25p80",
 161                 .platform_data  = &rb4xx_flash_data,
 162         }, {
 163                 .bus_num        = 0,
 164                 .chip_select    = 1,
 165                 .max_speed_hz   = 25000000,
 166                 .modalias       = "spi-rb4xx-cpld",
 167                 .platform_data  = &rb4xx_cpld_data,
 168         }
 169 };
 170
 171 static struct spi_board_info rb4xx_microsd_info[] = {
 172         {
 173                 .bus_num        = 0,
 174                 .chip_select    = 2,
 175                 .max_speed_hz   = 25000000,
 176                 .modalias       = "mmc_spi",
 177                 .platform_data  = &rb4xx_mmc_data,
 178         }
 179 };
 180
 181
 182 static struct resource rb4xx_spi_resources[] = {
 183         {
 184                 .start  = AR71XX_SPI_BASE,
 185                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
 186                 .flags  = IORESOURCE_MEM,
 187         },
 188 };
 189
 190 static struct platform_device rb4xx_spi_device = {
 191         .name           = "rb4xx-spi",
 192         .id             = -1,
 193         .resource       = rb4xx_spi_resources,
 194         .num_resources  = ARRAY_SIZE(rb4xx_spi_resources),
 195 };
 196
 197 static void __init rb4xx_generic_setup(void)
 198 {
 199         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 200                                         AR71XX_GPIO_FUNC_SPI_CS2_EN);
 201
 202         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 203                                         rb4xx_leds_gpio);
 204
 205         ar71xx_register_gpio_keys_polled(-1, RB4XX_KEYS_POLL_INTERVAL,
 206                                          ARRAY_SIZE(rb4xx_gpio_keys),
 207                                          rb4xx_gpio_keys);
 208
 209         spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 210         platform_device_register(&rb4xx_spi_device);
 211         platform_device_register(&rb4xx_nand_device);
 212 }
 213
 214 static void __init rb411_setup(void)
 215 {
 216         rb4xx_generic_setup();
 217         spi_register_board_info(rb4xx_microsd_info,
 218                                 ARRAY_SIZE(rb4xx_microsd_info));
 219
 220         ar71xx_add_device_mdio(0xfffffffc);
 221
 222         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 223         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 224         ar71xx_eth0_data.phy_mask = 0x00000003;
 225
 226         ar71xx_add_device_eth(0);
 227
 228         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 229 }
 230
 231 MIPS_MACHINE(AR71XX_MACH_RB_411, "411", "MikroTik RouterBOARD 411/A/AH",
 232              rb411_setup);
 233
 234 static void __init rb411u_setup(void)
 235 {
 236         rb411_setup();
 237         ar71xx_add_device_usb();
 238 }
 239
 240 MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
 241              rb411u_setup);
 242
 243 #define RB433_LAN_PHYMASK       BIT(0)
 244 #define RB433_WAN_PHYMASK       BIT(4)
 245 #define RB433_MDIO_PHYMASK      (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
 246
 247 static void __init rb433_setup(void)
 248 {
 249         rb4xx_generic_setup();
 250         spi_register_board_info(rb4xx_microsd_info,
 251                                 ARRAY_SIZE(rb4xx_microsd_info));
 252
 253         ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
 254
 255         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 256         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 257         ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
 258
 259         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 260         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 261         ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
 262
 263         ar71xx_add_device_eth(1);
 264         ar71xx_add_device_eth(0);
 265
 266         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 267 }
 268
 269 MIPS_MACHINE(AR71XX_MACH_RB_433, "433", "MikroTik RouterBOARD 433/AH",
 270              rb433_setup);
 271
 272 static void __init rb433u_setup(void)
 273 {
 274         rb433_setup();
 275         ar71xx_add_device_usb();
 276 }
 277
 278 MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
 279              rb433u_setup);
 280
 281 #define RB450_LAN_PHYMASK       BIT(0)
 282 #define RB450_WAN_PHYMASK       BIT(4)
 283 #define RB450_MDIO_PHYMASK      (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
 284
 285 static void __init rb450_generic_setup(int gige)
 286 {
 287         rb4xx_generic_setup();
 288         ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
 289
 290         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 291         ar71xx_eth0_data.phy_if_mode = (gige) ?
 292                 PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
 293         ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
 294
 295         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 296         ar71xx_eth1_data.phy_if_mode = (gige) ?
 297                 PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
 298         ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
 299
 300         ar71xx_add_device_eth(1);
 301         ar71xx_add_device_eth(0);
 302 }
 303
 304 static void __init rb450_setup(void)
 305 {
 306         rb450_generic_setup(0);
 307 }
 308
 309 MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
 310              rb450_setup);
 311
 312 static void __init rb450g_setup(void)
 313 {
 314         rb450_generic_setup(1);
 315         spi_register_board_info(rb4xx_microsd_info,
 316                                 ARRAY_SIZE(rb4xx_microsd_info));
 317 }
 318
 319 MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
 320              rb450g_setup);
 321
 322 static void __init rb493_setup(void)
 323 {
 324         rb4xx_generic_setup();
 325
 326         ar71xx_add_device_mdio(0x3fffff00);
 327
 328         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 329         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 330         ar71xx_eth0_data.speed = SPEED_100;
 331         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 332
 333         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
 334         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 335         ar71xx_eth1_data.phy_mask = 0x00000001;
 336
 337         ar71xx_add_device_eth(0);
 338         ar71xx_add_device_eth(1);
 339
 340         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 341 }
 342
 343 MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
 344              rb493_setup);