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/mdio-gpio.h>
  15 #include <linux/mmc/host.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/spi/flash.h>
  18 #include <linux/spi/mmc_spi.h>
  19 #include <linux/mtd/mtd.h>
  20 #include <linux/mtd/partitions.h>
  21
  22 #include <asm/mach-ar71xx/ar71xx.h>
  23 #include <asm/mach-ar71xx/pci.h>
  24 #include <asm/mach-ar71xx/rb4xx_cpld.h>
  25
  26 #include "machtype.h"
  27 #include "devices.h"
  28 #include "dev-gpio-buttons.h"
  29 #include "dev-leds-gpio.h"
  30 #include "dev-usb.h"
  31
  32 #define RB4XX_GPIO_USER_LED     4
  33 #define RB4XX_GPIO_RESET_SWITCH 7
  34
  35 #define RB4XX_GPIO_CPLD_BASE    32
  36 #define RB4XX_GPIO_CPLD_LED1    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED1)
  37 #define RB4XX_GPIO_CPLD_LED2    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED2)
  38 #define RB4XX_GPIO_CPLD_LED3    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED3)
  39 #define RB4XX_GPIO_CPLD_LED4    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED4)
  40 #define RB4XX_GPIO_CPLD_LED5    (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED5)
  41
  42 #define RB4XX_KEYS_POLL_INTERVAL        20      /* msecs */
  43 #define RB4XX_KEYS_DEBOUNCE_INTERVAL    (3 * RB4XX_KEYS_POLL_INTERVAL)
  44
  45 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
  46         {
  47                 .name           = "rb4xx:yellow:user",
  48                 .gpio           = RB4XX_GPIO_USER_LED,
  49                 .active_low     = 0,
  50         }, {
  51                 .name           = "rb4xx:green:led1",
  52                 .gpio           = RB4XX_GPIO_CPLD_LED1,
  53                 .active_low     = 1,
  54         }, {
  55                 .name           = "rb4xx:green:led2",
  56                 .gpio           = RB4XX_GPIO_CPLD_LED2,
  57                 .active_low     = 1,
  58         }, {
  59                 .name           = "rb4xx:green:led3",
  60                 .gpio           = RB4XX_GPIO_CPLD_LED3,
  61                 .active_low     = 1,
  62         }, {
  63                 .name           = "rb4xx:green:led4",
  64                 .gpio           = RB4XX_GPIO_CPLD_LED4,
  65                 .active_low     = 1,
  66         }, {
  67                 .name           = "rb4xx:green:led5",
  68                 .gpio           = RB4XX_GPIO_CPLD_LED5,
  69                 .active_low     = 0,
  70         },
  71 };
  72
  73 static struct gpio_keys_button rb4xx_gpio_keys[] __initdata = {
  74         {
  75                 .desc           = "reset_switch",
  76                 .type           = EV_KEY,
  77                 .code           = KEY_RESTART,
  78                 .debounce_interval = RB4XX_KEYS_DEBOUNCE_INTERVAL,
  79                 .gpio           = RB4XX_GPIO_RESET_SWITCH,
  80                 .active_low     = 1,
  81         }
  82 };
  83
  84 static struct platform_device rb4xx_nand_device = {
  85         .name   = "rb4xx-nand",
  86         .id     = -1,
  87 };
  88
  89 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
  90         {
  91                 .slot   = 0,
  92                 .pin    = 1,
  93                 .irq    = AR71XX_PCI_IRQ_DEV2,
  94         }, {
  95                 .slot   = 1,
  96                 .pin    = 1,
  97                 .irq    = AR71XX_PCI_IRQ_DEV0,
  98         }, {
  99                 .slot   = 1,
 100                 .pin    = 2,
 101                 .irq    = AR71XX_PCI_IRQ_DEV1,
 102         }, {
 103                 .slot   = 2,
 104                 .pin    = 1,
 105                 .irq    = AR71XX_PCI_IRQ_DEV1,
 106         }, {
 107                 .slot   = 3,
 108                 .pin    = 1,
 109                 .irq    = AR71XX_PCI_IRQ_DEV2,
 110         }
 111 };
 112
 113 #ifdef CONFIG_MTD_PARTITIONS
 114 static struct mtd_partition rb4xx_partitions[] = {
 115         {
 116                 .name           = "routerboot",
 117                 .offset         = 0,
 118                 .size           = 0x0b000,
 119                 .mask_flags     = MTD_WRITEABLE,
 120         }, {
 121                 .name           = "hard_config",
 122                 .offset         = 0x0b000,
 123                 .size           = 0x01000,
 124                 .mask_flags     = MTD_WRITEABLE,
 125         }, {
 126                 .name           = "bios",
 127                 .offset         = 0x0d000,
 128                 .size           = 0x02000,
 129                 .mask_flags     = MTD_WRITEABLE,
 130         }, {
 131                 .name           = "soft_config",
 132                 .offset         = 0x0f000,
 133                 .size           = 0x01000,
 134         }
 135 };
 136 #define rb4xx_num_partitions    ARRAY_SIZE(rb4xx_partitions)
 137 #else /* CONFIG_MTD_PARTITIONS */
 138 #define rb4xx_partitions        NULL
 139 #define rb4xx_num_partitions    0
 140 #endif /* CONFIG_MTD_PARTITIONS */
 141
 142 static struct flash_platform_data rb4xx_flash_data = {
 143         .type           = "pm25lv512",
 144         .parts          = rb4xx_partitions,
 145         .nr_parts       = rb4xx_num_partitions,
 146 };
 147
 148 static struct rb4xx_cpld_platform_data rb4xx_cpld_data = {
 149         .gpio_base      = RB4XX_GPIO_CPLD_BASE,
 150 };
 151
 152 static struct mmc_spi_platform_data rb4xx_mmc_data = {
 153         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 154 };
 155
 156 static struct spi_board_info rb4xx_spi_info[] = {
 157         {
 158                 .bus_num        = 0,
 159                 .chip_select    = 0,
 160                 .max_speed_hz   = 25000000,
 161                 .modalias       = "m25p80",
 162                 .platform_data  = &rb4xx_flash_data,
 163         }, {
 164                 .bus_num        = 0,
 165                 .chip_select    = 1,
 166                 .max_speed_hz   = 25000000,
 167                 .modalias       = "spi-rb4xx-cpld",
 168                 .platform_data  = &rb4xx_cpld_data,
 169         }
 170 };
 171
 172 static struct spi_board_info rb4xx_microsd_info[] = {
 173         {
 174                 .bus_num        = 0,
 175                 .chip_select    = 2,
 176                 .max_speed_hz   = 25000000,
 177                 .modalias       = "mmc_spi",
 178                 .platform_data  = &rb4xx_mmc_data,
 179         }
 180 };
 181
 182
 183 static struct resource rb4xx_spi_resources[] = {
 184         {
 185                 .start  = AR71XX_SPI_BASE,
 186                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
 187                 .flags  = IORESOURCE_MEM,
 188         },
 189 };
 190
 191 static struct platform_device rb4xx_spi_device = {
 192         .name           = "rb4xx-spi",
 193         .id             = -1,
 194         .resource       = rb4xx_spi_resources,
 195         .num_resources  = ARRAY_SIZE(rb4xx_spi_resources),
 196 };
 197
 198 static void __init rb4xx_generic_setup(void)
 199 {
 200         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 201                                         AR71XX_GPIO_FUNC_SPI_CS2_EN);
 202
 203         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 204                                         rb4xx_leds_gpio);
 205
 206         ar71xx_register_gpio_keys_polled(-1, RB4XX_KEYS_POLL_INTERVAL,
 207                                          ARRAY_SIZE(rb4xx_gpio_keys),
 208                                          rb4xx_gpio_keys);
 209
 210         spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 211         platform_device_register(&rb4xx_spi_device);
 212         platform_device_register(&rb4xx_nand_device);
 213 }
 214
 215 static void __init rb411_setup(void)
 216 {
 217         rb4xx_generic_setup();
 218         spi_register_board_info(rb4xx_microsd_info,
 219                                 ARRAY_SIZE(rb4xx_microsd_info));
 220
 221         ar71xx_add_device_mdio(0xfffffffc);
 222
 223         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 224         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 225         ar71xx_eth0_data.phy_mask = 0x00000003;
 226
 227         ar71xx_add_device_eth(0);
 228
 229         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 230 }
 231
 232 MIPS_MACHINE(AR71XX_MACH_RB_411, "411", "MikroTik RouterBOARD 411/A/AH",
 233              rb411_setup);
 234
 235 static void __init rb411u_setup(void)
 236 {
 237         rb411_setup();
 238         ar71xx_add_device_usb();
 239 }
 240
 241 MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
 242              rb411u_setup);
 243
 244 #define RB433_LAN_PHYMASK       BIT(0)
 245 #define RB433_WAN_PHYMASK       BIT(4)
 246 #define RB433_MDIO_PHYMASK      (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
 247
 248 static void __init rb433_setup(void)
 249 {
 250         rb4xx_generic_setup();
 251         spi_register_board_info(rb4xx_microsd_info,
 252                                 ARRAY_SIZE(rb4xx_microsd_info));
 253
 254         ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
 255
 256         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 257         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 258         ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
 259
 260         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 261         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 262         ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
 263
 264         ar71xx_add_device_eth(1);
 265         ar71xx_add_device_eth(0);
 266
 267         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 268 }
 269
 270 MIPS_MACHINE(AR71XX_MACH_RB_433, "433", "MikroTik RouterBOARD 433/AH",
 271              rb433_setup);
 272
 273 static void __init rb433u_setup(void)
 274 {
 275         rb433_setup();
 276         ar71xx_add_device_usb();
 277 }
 278
 279 MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
 280              rb433u_setup);
 281
 282 #define RB450_LAN_PHYMASK       BIT(0)
 283 #define RB450_WAN_PHYMASK       BIT(4)
 284 #define RB450_MDIO_PHYMASK      (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
 285
 286 static void __init rb450_generic_setup(int gige)
 287 {
 288         rb4xx_generic_setup();
 289         ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
 290
 291         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
 292         ar71xx_eth0_data.phy_if_mode = (gige) ?
 293                 PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
 294         ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
 295
 296         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
 297         ar71xx_eth1_data.phy_if_mode = (gige) ?
 298                 PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
 299         ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
 300
 301         ar71xx_add_device_eth(1);
 302         ar71xx_add_device_eth(0);
 303 }
 304
 305 static void __init rb450_setup(void)
 306 {
 307         rb450_generic_setup(0);
 308 }
 309
 310 MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
 311              rb450_setup);
 312
 313 static void __init rb450g_setup(void)
 314 {
 315         rb450_generic_setup(1);
 316         spi_register_board_info(rb4xx_microsd_info,
 317                                 ARRAY_SIZE(rb4xx_microsd_info));
 318 }
 319
 320 MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
 321              rb450g_setup);
 322
 323 static void __init rb493_setup(void)
 324 {
 325         rb4xx_generic_setup();
 326
 327         ar71xx_add_device_mdio(0x3fffff00);
 328
 329         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 330         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 331         ar71xx_eth0_data.speed = SPEED_100;
 332         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 333
 334         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
 335         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 336         ar71xx_eth1_data.phy_mask = 0x00000001;
 337
 338         ar71xx_add_device_eth(0);
 339         ar71xx_add_device_eth(1);
 340
 341         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 342 }
 343
 344 MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
 345              rb493_setup);
 346
 347 #define RB493G_GPIO_MDIO_MDC            7
 348 #define RB493G_GPIO_MDIO_DATA           8
 349
 350 #define RB493G_MDIO_PHYMASK             BIT(0)
 351
 352 static struct mdio_gpio_platform_data rb493g_mdio_data = {
 353         .mdc            = RB493G_GPIO_MDIO_MDC,
 354         .mdio           = RB493G_GPIO_MDIO_DATA,
 355
 356         .phy_mask       = ~RB493G_MDIO_PHYMASK,
 357 };
 358
 359 static struct platform_device rb493g_mdio_device = {
 360         .name           = "mdio-gpio",
 361         .id             = -1,
 362         .dev            = {
 363                 .platform_data  = &rb493g_mdio_data,
 364         },
 365 };
 366
 367 static void __init rb493g_setup(void)
 368 {
 369         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 370                                     AR71XX_GPIO_FUNC_SPI_CS2_EN);
 371
 372         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 373                                     rb4xx_leds_gpio);
 374
 375         spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 376         platform_device_register(&rb4xx_spi_device);
 377         platform_device_register(&rb4xx_nand_device);
 378
 379         ar71xx_add_device_mdio(~RB493G_MDIO_PHYMASK);
 380
 381         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 382         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 383         ar71xx_eth0_data.phy_mask = RB493G_MDIO_PHYMASK;
 384         ar71xx_eth0_data.speed = SPEED_1000;
 385         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 386
 387         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
 388         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 389         ar71xx_eth1_data.mii_bus_dev = &rb493g_mdio_device.dev;
 390         ar71xx_eth1_data.phy_mask = RB493G_MDIO_PHYMASK;
 391         ar71xx_eth1_data.speed = SPEED_1000;
 392         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 393
 394
 395         platform_device_register(&rb493g_mdio_device);
 396
 397         ar71xx_add_device_eth(1);
 398         ar71xx_add_device_eth(0);
 399
 400         ar71xx_add_device_usb();
 401
 402         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 403 }
 404
 405 MIPS_MACHINE(AR71XX_MACH_RB_493G, "493G", "MikroTik RouterBOARD 493G",
 406              rb493g_setup);