arch/arm/mach-at91rm9200/devices.c

   1 /*
   2  * arch/arm/mach-at91rm9200/devices.c
   3  *
   4  *  Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
   5  *  Copyright (C) 2005 David Brownell
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  */
  13 #include <asm/mach/arch.h>
  14 #include <asm/mach/map.h>
  15
  16 #include <linux/config.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <asm/arch/board.h>
  20 #include <asm/arch/pio.h>
  21
  22
  23 /* --------------------------------------------------------------------
  24  *  USB Host
  25  * -------------------------------------------------------------------- */
  26
  27 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  28 static u64 ohci_dmamask = 0xffffffffUL;
  29 static struct at91_usbh_data usbh_data;
  30
  31 static struct resource at91_usbh_resource[] = {
  32         [0] = {
  33                 .start  = AT91_UHP_BASE,
  34                 .end    = AT91_UHP_BASE + SZ_1M - 1,
  35                 .flags  = IORESOURCE_MEM,
  36         },
  37         [1] = {
  38                 .start  = AT91_ID_UHP,
  39                 .end    = AT91_ID_UHP,
  40                 .flags  = IORESOURCE_IRQ,
  41         },
  42 };
  43
  44 static struct platform_device at91rm9200_usbh_device = {
  45         .name           = "at91rm9200-ohci",
  46         .id             = -1,
  47         .dev            = {
  48                                 .dma_mask               = &ohci_dmamask,
  49                                 .coherent_dma_mask      = 0xffffffff,
  50                                 .platform_data          = &usbh_data,
  51         },
  52         .resource       = at91_usbh_resource,
  53         .num_resources  = ARRAY_SIZE(at91_usbh_resource),
  54 };
  55
  56 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  57 {
  58         if (!data)
  59                 return;
  60
  61         usbh_data = *data;
  62         platform_device_register(&at91rm9200_usbh_device);
  63 }
  64 #else
  65 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  66 #endif
  67
  68
  69 /* --------------------------------------------------------------------
  70  *  USB Device (Gadget)
  71  * -------------------------------------------------------------------- */
  72
  73 #ifdef CONFIG_USB_GADGET_AT91
  74 static struct at91_udc_data udc_data;
  75
  76 static struct resource at91_udc_resources[] = {
  77         {
  78                 .start  = AT91_BASE_UDP,
  79                 .end    = AT91_BASE_UDP + SZ_16K - 1,
  80                 .flags  = IORESOURCE_MEM,
  81         }
  82 };
  83
  84 static struct platform_device at91rm9200_udc_device = {
  85         .name           = "at91_udc",
  86         .id             = -1,
  87         .dev            = {
  88                                 .platform_data          = &udc_data,
  89         },
  90         .resource       = at91_udc_resources,
  91         .num_resources  = ARRAY_SIZE(at91_udc_resources),
  92 };
  93
  94 void __init at91_add_device_udc(struct at91_udc_data *data)
  95 {
  96         if (!data)
  97                 return;
  98
  99         if (data->vbus_pin) {
 100                 at91_set_gpio_input(data->vbus_pin, 0);
 101                 at91_set_deglitch(data->vbus_pin, 1);
 102         }
 103         if (data->pullup_pin) {
 104                 at91_set_gpio_output(data->pullup_pin, 0);
 105                 at91_set_multi_drive(data->pullup_pin, 1);
 106         }
 107
 108         udc_data = *data;
 109         platform_device_register(&at91rm9200_udc_device);
 110 }
 111 #else
 112 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 113 #endif
 114
 115
 116 /* --------------------------------------------------------------------
 117  *  Ethernet
 118  * -------------------------------------------------------------------- */
 119
 120 #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
 121 static u64 eth_dmamask = 0xffffffffUL;
 122 static struct at91_eth_data eth_data;
 123
 124 static struct resource at91_eth_resources[] = {
 125         [0] = {
 126                 .start  = AT91_BASE_EMAC,
 127                 .end    = AT91_BASE_EMAC + SZ_16K - 1,
 128                 .flags  = IORESOURCE_MEM,
 129         },
 130         [1] = {
 131                 .start  = AT91_ID_EMAC,
 132                 .end    = AT91_ID_EMAC,
 133                 .flags  = IORESOURCE_IRQ,
 134         },
 135 };
 136
 137 static struct platform_device at91rm9200_eth_device = {
 138         .name           = "at91_ether",
 139         .id             = -1,
 140         .dev            = {
 141                                 .dma_mask               = &eth_dmamask,
 142                                 .coherent_dma_mask      = 0xffffffff,
 143                                 .platform_data          = &eth_data,
 144         },
 145         .resource       = at91_eth_resources,
 146         .num_resources  = ARRAY_SIZE(at91_eth_resources),
 147 };
 148
 149 void __init at91_add_device_eth(struct at91_eth_data *data)
 150 {
 151         if (!data)
 152                 return;
 153
 154         if (data->phy_irq_pin) {
 155                 at91_set_gpio_input(data->phy_irq_pin, 0);
 156                 at91_set_deglitch(data->phy_irq_pin, 1);
 157         }
 158
 159         /* Pins used for MII and RMII */
 160         at91_set_A_periph(AT91_PIN_PA16, 0);    /* EMDIO */
 161         at91_set_A_periph(AT91_PIN_PA15, 0);    /* EMDC */
 162         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERXER */
 163         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ERX1 */
 164         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ERX0 */
 165         at91_set_A_periph(AT91_PIN_PA11, 0);    /* ECRS_ECRSDV */
 166         at91_set_A_periph(AT91_PIN_PA10, 0);    /* ETX1 */
 167         at91_set_A_periph(AT91_PIN_PA9, 0);     /* ETX0 */
 168         at91_set_A_periph(AT91_PIN_PA8, 0);     /* ETXEN */
 169         at91_set_A_periph(AT91_PIN_PA7, 0);     /* ETXCK_EREFCK */
 170
 171         if (!data->is_rmii) {
 172                 at91_set_B_periph(AT91_PIN_PB19, 0);    /* ERXCK */
 173                 at91_set_B_periph(AT91_PIN_PB18, 0);    /* ECOL */
 174                 at91_set_B_periph(AT91_PIN_PB17, 0);    /* ERXDV */
 175                 at91_set_B_periph(AT91_PIN_PB16, 0);    /* ERX3 */
 176                 at91_set_B_periph(AT91_PIN_PB15, 0);    /* ERX2 */
 177                 at91_set_B_periph(AT91_PIN_PB14, 0);    /* ETXER */
 178                 at91_set_B_periph(AT91_PIN_PB13, 0);    /* ETX3 */
 179                 at91_set_B_periph(AT91_PIN_PB12, 0);    /* ETX2 */
 180         }
 181
 182         eth_data = *data;
 183         platform_device_register(&at91rm9200_eth_device);
 184 }
 185 #else
 186 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 187 #endif
 188
 189
 190 /* --------------------------------------------------------------------
 191  *  Compact Flash / PCMCIA
 192  * -------------------------------------------------------------------- */
 193
 194 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 195 static struct at91_cf_data cf_data;
 196
 197 static struct resource at91_cf_resources[] = {
 198         [0] = {
 199                 .start  = AT91_CF_BASE,
 200                 /* ties up CS4, CS5, and CS6 */
 201                 .end    = AT91_CF_BASE + (0x30000000 - 1),
 202                 .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
 203         },
 204 };
 205
 206 static struct platform_device at91rm9200_cf_device = {
 207         .name           = "at91_cf",
 208         .id             = -1,
 209         .dev            = {
 210                                 .platform_data          = &cf_data,
 211         },
 212         .resource       = at91_cf_resources,
 213         .num_resources  = ARRAY_SIZE(at91_cf_resources),
 214 };
 215
 216 void __init at91_add_device_cf(struct at91_cf_data *data)
 217 {
 218         if (!data)
 219                 return;
 220
 221         /* input/irq */
 222         if (data->irq_pin) {
 223                 at91_set_gpio_input(data->irq_pin, 1);
 224                 at91_set_deglitch(data->irq_pin, 1);
 225         }
 226         at91_set_gpio_input(data->det_pin, 1);
 227         at91_set_deglitch(data->det_pin, 1);
 228
 229         /* outputs, initially off */
 230         if (data->vcc_pin)
 231                 at91_set_gpio_output(data->vcc_pin, 0);
 232         at91_set_gpio_output(data->rst_pin, 0);
 233
 234         cf_data = *data;
 235         platform_device_register(&at91rm9200_cf_device);
 236 }
 237 #else
 238 void __init at91_add_device_cf(struct at91_cf_data *data) {}
 239 #endif
 240
 241
 242 /* --------------------------------------------------------------------
 243  *  MMC / SD
 244  * -------------------------------------------------------------------- */
 245
 246 #if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
 247 static u64 mmc_dmamask = 0xffffffffUL;
 248 static struct at91_mmc_data mmc_data;
 249
 250 static struct resource at91_mmc_resources[] = {
 251         [0] = {
 252                 .start  = AT91_BASE_MCI,
 253                 .end    = AT91_BASE_MCI + SZ_16K - 1,
 254                 .flags  = IORESOURCE_MEM,
 255         },
 256         [1] = {
 257                 .start  = AT91_ID_MCI,
 258                 .end    = AT91_ID_MCI,
 259                 .flags  = IORESOURCE_IRQ,
 260         },
 261 };
 262
 263 static struct platform_device at91rm9200_mmc_device = {
 264         .name           = "at91_mci",
 265         .id             = -1,
 266         .dev            = {
 267                                 .dma_mask               = &mmc_dmamask,
 268                                 .coherent_dma_mask      = 0xffffffff,
 269                                 .platform_data          = &mmc_data,
 270         },
 271         .resource       = at91_mmc_resources,
 272         .num_resources  = ARRAY_SIZE(at91_mmc_resources),
 273 };
 274
 275 void __init at91_add_device_mmc(struct at91_mmc_data *data)
 276 {
 277         if (!data)
 278                 return;
 279
 280         /* input/irq */
 281         if (data->det_pin) {
 282                 at91_set_gpio_input(data->det_pin, 1);
 283                 at91_set_deglitch(data->det_pin, 1);
 284         }
 285         if (data->wp_pin)
 286                 at91_set_gpio_input(data->wp_pin, 1);
 287
 288         /* CLK */
 289         at91_set_A_periph(AT91_PIN_PA27, 0);
 290
 291         if (data->is_b) {
 292                 /* CMD */
 293                 at91_set_B_periph(AT91_PIN_PA8, 0);
 294
 295                 /* DAT0, maybe DAT1..DAT3 */
 296                 at91_set_B_periph(AT91_PIN_PA9, 0);
 297                 if (data->wire4) {
 298                         at91_set_B_periph(AT91_PIN_PA10, 0);
 299                         at91_set_B_periph(AT91_PIN_PA11, 0);
 300                         at91_set_B_periph(AT91_PIN_PA12, 0);
 301                 }
 302         } else {
 303                 /* CMD */
 304                 at91_set_A_periph(AT91_PIN_PA28, 0);
 305
 306                 /* DAT0, maybe DAT1..DAT3 */
 307                 at91_set_A_periph(AT91_PIN_PA29, 0);
 308                 if (data->wire4) {
 309                         at91_set_B_periph(AT91_PIN_PB3, 0);
 310                         at91_set_B_periph(AT91_PIN_PB4, 0);
 311                         at91_set_B_periph(AT91_PIN_PB5, 0);
 312                 }
 313         }
 314
 315         mmc_data = *data;
 316         platform_device_register(&at91rm9200_mmc_device);
 317 }
 318 #else
 319 void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
 320 #endif
 321
 322 /* --------------------------------------------------------------------
 323  *  NAND / SmartMedia
 324  * -------------------------------------------------------------------- */
 325
 326 #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
 327 static struct at91_nand_data nand_data;
 328
 329 static struct resource at91_nand_resources[] = {
 330         {
 331                 .start  = AT91_SMARTMEDIA_BASE,
 332                 .end    = AT91_SMARTMEDIA_BASE + SZ_8M - 1,
 333                 .flags  = IORESOURCE_MEM,
 334         }
 335 };
 336
 337 static struct platform_device at91_nand_device = {
 338         .name           = "at91_nand",
 339         .id             = -1,
 340         .dev            = {
 341                                 .platform_data  = &nand_data,
 342         },
 343         .resource       = at91_nand_resources,
 344         .num_resources  = ARRAY_SIZE(at91_nand_resources),
 345 };
 346
 347 void __init at91_add_device_nand(struct at91_nand_data *data)
 348 {
 349         if (!data)
 350                 return;
 351
 352         /* enable pin */
 353         if (data->enable_pin)
 354                 at91_set_gpio_output(data->enable_pin, 1);
 355
 356         /* ready/busy pin */
 357         if (data->rdy_pin)
 358                 at91_set_gpio_input(data->rdy_pin, 1);
 359
 360         /* card detect pin */
 361         if (data->det_pin)
 362                 at91_set_gpio_input(data->det_pin, 1);
 363
 364         at91_set_A_periph(AT91_PIN_PC1, 0);             /* SMOE */
 365         at91_set_A_periph(AT91_PIN_PC3, 0);             /* SMWE */
 366
 367         nand_data = *data;
 368         platform_device_register(&at91_nand_device);
 369 }
 370 #else
 371 void __init at91_add_device_nand(struct at91_nand_data *data) {}
 372 #endif
 373
 374
 375 /* --------------------------------------------------------------------
 376  *  TWI (i2c)
 377  * -------------------------------------------------------------------- */
 378
 379 #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 380 static struct platform_device at91rm9200_twi_device = {
 381         .name           = "at91_i2c",
 382         .id             = -1,
 383         .num_resources  = 0,
 384 };
 385
 386 void __init at91_add_device_i2c(void)
 387 {
 388         /* pins used for TWI interface */
 389         at91_set_A_periph(AT91_PIN_PA25, 0);            /* TWD */
 390         at91_set_multi_drive(AT91_PIN_PA25, 1);
 391
 392         at91_set_A_periph(AT91_PIN_PA26, 0);            /* TWCK */
 393         at91_set_multi_drive(AT91_PIN_PA26, 1);
 394
 395         platform_device_register(&at91rm9200_twi_device);
 396 }
 397 #else
 398 void __init at91_add_device_i2c(void) {}
 399 #endif
 400
 401
 402 /* --------------------------------------------------------------------
 403  *  RTC
 404  * -------------------------------------------------------------------- */
 405
 406 #if defined(CONFIG_AT91_RTC) || defined(CONFIG_AT91_RTC_MODULE)
 407 static struct platform_device at91rm9200_rtc_device = {
 408         .name           = "at91_rtc",
 409         .id             = -1,
 410         .num_resources  = 0,
 411 };
 412
 413 void __init at91_add_device_rtc(void)
 414 {
 415         platform_device_register(&at91rm9200_rtc_device);
 416 }
 417 #else
 418 void __init at91_add_device_rtc(void) {}
 419 #endif
 420
 421
 422 /* --------------------------------------------------------------------
 423  *  LEDs
 424  * -------------------------------------------------------------------- */
 425
 426 #if defined(CONFIG_LEDS)
 427 u8 at91_leds_cpu;
 428 u8 at91_leds_timer;
 429
 430 void __init at91_init_leds(u8 cpu_led, u8 timer_led)
 431 {
 432         at91_leds_cpu   = cpu_led;
 433         at91_leds_timer = timer_led;
 434 }
 435
 436 #else
 437 void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
 438 #endif
 439
 440
 441 /* -------------------------------------------------------------------- */