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 platform_device at91rm9200_cf_device = {
 198         .name           = "at91_cf",
 199         .id             = -1,
 200         .dev            = {
 201                                 .platform_data          = &cf_data,
 202         },
 203         .num_resources  = 0,
 204 };
 205
 206 void __init at91_add_device_cf(struct at91_cf_data *data)
 207 {
 208         if (!data)
 209                 return;
 210
 211         /* input/irq */
 212         if (data->irq_pin) {
 213                 at91_set_gpio_input(data->irq_pin, 1);
 214                 at91_set_deglitch(data->irq_pin, 1);
 215         }
 216         at91_set_gpio_input(data->det_pin, 1);
 217         at91_set_deglitch(data->det_pin, 1);
 218
 219         /* outputs, initially off */
 220         if (data->vcc_pin)
 221                 at91_set_gpio_output(data->vcc_pin, 0);
 222         at91_set_gpio_output(data->rst_pin, 0);
 223
 224         cf_data = *data;
 225         platform_device_register(&at91rm9200_cf_device);
 226 }
 227 #else
 228 void __init at91_add_device_cf(struct at91_cf_data *data) {}
 229 #endif
 230
 231
 232 /* --------------------------------------------------------------------
 233  *  MMC / SD
 234  * -------------------------------------------------------------------- */
 235
 236 #if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
 237 static u64 mmc_dmamask = 0xffffffffUL;
 238 static struct at91_mmc_data mmc_data;
 239
 240 static struct resource at91_mmc_resources[] = {
 241         [0] = {
 242                 .start  = AT91_BASE_MCI,
 243                 .end    = AT91_BASE_MCI + SZ_16K - 1,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 .start  = AT91_ID_MCI,
 248                 .end    = AT91_ID_MCI,
 249                 .flags  = IORESOURCE_IRQ,
 250         },
 251 };
 252
 253 static struct platform_device at91rm9200_mmc_device = {
 254         .name           = "at91_mci",
 255         .id             = -1,
 256         .dev            = {
 257                                 .dma_mask               = &mmc_dmamask,
 258                                 .coherent_dma_mask      = 0xffffffff,
 259                                 .platform_data          = &mmc_data,
 260         },
 261         .resource       = at91_mmc_resources,
 262         .num_resources  = ARRAY_SIZE(at91_mmc_resources),
 263 };
 264
 265 void __init at91_add_device_mmc(struct at91_mmc_data *data)
 266 {
 267         if (!data)
 268                 return;
 269
 270         /* input/irq */
 271         if (data->det_pin) {
 272                 at91_set_gpio_input(data->det_pin, 1);
 273                 at91_set_deglitch(data->det_pin, 1);
 274         }
 275         if (data->wp_pin)
 276                 at91_set_gpio_input(data->wp_pin, 1);
 277
 278         /* CLK */
 279         at91_set_A_periph(AT91_PIN_PA27, 0);
 280
 281         if (data->is_b) {
 282                 /* CMD */
 283                 at91_set_B_periph(AT91_PIN_PA8, 0);
 284
 285                 /* DAT0, maybe DAT1..DAT3 */
 286                 at91_set_B_periph(AT91_PIN_PA9, 0);
 287                 if (data->wire4) {
 288                         at91_set_B_periph(AT91_PIN_PA10, 0);
 289                         at91_set_B_periph(AT91_PIN_PA11, 0);
 290                         at91_set_B_periph(AT91_PIN_PA12, 0);
 291                 }
 292         } else {
 293                 /* CMD */
 294                 at91_set_A_periph(AT91_PIN_PA28, 0);
 295
 296                 /* DAT0, maybe DAT1..DAT3 */
 297                 at91_set_A_periph(AT91_PIN_PA29, 0);
 298                 if (data->wire4) {
 299                         at91_set_B_periph(AT91_PIN_PB3, 0);
 300                         at91_set_B_periph(AT91_PIN_PB4, 0);
 301                         at91_set_B_periph(AT91_PIN_PB5, 0);
 302                 }
 303         }
 304
 305         mmc_data = *data;
 306         platform_device_register(&at91rm9200_mmc_device);
 307 }
 308 #else
 309 void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
 310 #endif
 311
 312 /* --------------------------------------------------------------------
 313  *  NAND / SmartMedia
 314  * -------------------------------------------------------------------- */
 315
 316 #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
 317 static struct at91_nand_data nand_data;
 318
 319 static struct resource at91_nand_resources[] = {
 320         {
 321                 .start  = AT91_SMARTMEDIA_BASE,
 322                 .end    = AT91_SMARTMEDIA_BASE + SZ_8M - 1,
 323                 .flags  = IORESOURCE_MEM,
 324         }
 325 };
 326
 327 static struct platform_device at91_nand_device = {
 328         .name           = "at91_nand",
 329         .id             = -1,
 330         .dev            = {
 331                                 .platform_data  = &nand_data,
 332         },
 333         .resource       = at91_nand_resources,
 334         .num_resources  = ARRAY_SIZE(at91_nand_resources),
 335 };
 336
 337 void __init at91_add_device_nand(struct at91_nand_data *data)
 338 {
 339         if (!data)
 340                 return;
 341
 342         /* enable pin */
 343         if (data->enable_pin)
 344                 at91_set_gpio_output(data->enable_pin, 1);
 345
 346         /* ready/busy pin */
 347         if (data->rdy_pin)
 348                 at91_set_gpio_input(data->rdy_pin, 1);
 349
 350         /* card detect pin */
 351         if (data->det_pin)
 352                 at91_set_gpio_input(data->det_pin, 1);
 353
 354         at91_set_A_periph(AT91_PIN_PC1, 0);             /* SMOE */
 355         at91_set_A_periph(AT91_PIN_PC3, 0);             /* SMWE */
 356
 357         nand_data = *data;
 358         platform_device_register(&at91_nand_device);
 359 }
 360 #else
 361 void __init at91_add_device_nand(struct at91_nand_data *data) {}
 362 #endif
 363
 364
 365 /* --------------------------------------------------------------------
 366  *  TWI (i2c)
 367  * -------------------------------------------------------------------- */
 368
 369 #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 370 static struct platform_device at91rm9200_twi_device = {
 371         .name           = "at91_i2c",
 372         .id             = -1,
 373         .num_resources  = 0,
 374 };
 375
 376 void __init at91_add_device_i2c(void)
 377 {
 378         /* pins used for TWI interface */
 379         at91_set_A_periph(AT91_PIN_PA25, 0);            /* TWD */
 380         at91_set_multi_drive(AT91_PIN_PA25, 1);
 381
 382         at91_set_A_periph(AT91_PIN_PA26, 0);            /* TWCK */
 383         at91_set_multi_drive(AT91_PIN_PA26, 1);
 384
 385         platform_device_register(&at91rm9200_twi_device);
 386 }
 387 #else
 388 void __init at91_add_device_i2c(void) {}
 389 #endif
 390
 391
 392 /* --------------------------------------------------------------------
 393  *  RTC
 394  * -------------------------------------------------------------------- */
 395
 396 #if defined(CONFIG_AT91_RTC) || defined(CONFIG_AT91_RTC_MODULE)
 397 static struct platform_device at91rm9200_rtc_device = {
 398         .name           = "at91_rtc",
 399         .id             = -1,
 400         .num_resources  = 0,
 401 };
 402
 403 void __init at91_add_device_rtc(void)
 404 {
 405         platform_device_register(&at91rm9200_rtc_device);
 406 }
 407 #else
 408 void __init at91_add_device_rtc(void) {}
 409 #endif
 410
 411
 412 /* --------------------------------------------------------------------
 413  *  LEDs
 414  * -------------------------------------------------------------------- */
 415
 416 #if defined(CONFIG_LEDS)
 417 u8 at91_leds_cpu;
 418 u8 at91_leds_timer;
 419
 420 void __init at91_init_leds(u8 cpu_led, u8 timer_led)
 421 {
 422         at91_leds_cpu   = cpu_led;
 423         at91_leds_timer = timer_led;
 424 }
 425
 426 #else
 427 void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
 428 #endif
 429
 430
 431 /* -------------------------------------------------------------------- */