arch/arm/mach-at91/at91sam9260_devices.c

   1 /*
   2  * arch/arm/mach-at91/at91sam9260_devices.c
   3  *
   4  *  Copyright (C) 2006 Atmel
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  */
  12 #include <asm/mach/arch.h>
  13 #include <asm/mach/map.h>
  14
  15 #include <linux/dma-mapping.h>
  16 #include <linux/gpio.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/i2c-gpio.h>
  19
  20 #include <mach/board.h>
  21 #include <mach/cpu.h>
  22 #include <mach/at91sam9260.h>
  23 #include <mach/at91sam9260_matrix.h>
  24 #include <mach/at91sam9_smc.h>
  25
  26 #include "generic.h"
  27
  28
  29 /* --------------------------------------------------------------------
  30  *  USB Host
  31  * -------------------------------------------------------------------- */
  32
  33 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  34 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  35 static struct at91_usbh_data usbh_data;
  36
  37 static struct resource usbh_resources[] = {
  38         [0] = {
  39                 .start  = AT91SAM9260_UHP_BASE,
  40                 .end    = AT91SAM9260_UHP_BASE + SZ_1M - 1,
  41                 .flags  = IORESOURCE_MEM,
  42         },
  43         [1] = {
  44                 .start  = AT91SAM9260_ID_UHP,
  45                 .end    = AT91SAM9260_ID_UHP,
  46                 .flags  = IORESOURCE_IRQ,
  47         },
  48 };
  49
  50 static struct platform_device at91_usbh_device = {
  51         .name           = "at91_ohci",
  52         .id             = -1,
  53         .dev            = {
  54                                 .dma_mask               = &ohci_dmamask,
  55                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  56                                 .platform_data          = &usbh_data,
  57         },
  58         .resource       = usbh_resources,
  59         .num_resources  = ARRAY_SIZE(usbh_resources),
  60 };
  61
  62 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  63 {
  64         int i;
  65
  66         if (!data)
  67                 return;
  68
  69         /* Enable overcurrent notification */
  70         for (i = 0; i < data->ports; i++) {
  71                 if (data->overcurrent_pin[i])
  72                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
  73         }
  74
  75         usbh_data = *data;
  76         platform_device_register(&at91_usbh_device);
  77 }
  78 #else
  79 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  80 #endif
  81
  82
  83 /* --------------------------------------------------------------------
  84  *  USB Device (Gadget)
  85  * -------------------------------------------------------------------- */
  86
  87 #ifdef CONFIG_USB_GADGET_AT91
  88 static struct at91_udc_data udc_data;
  89
  90 static struct resource udc_resources[] = {
  91         [0] = {
  92                 .start  = AT91SAM9260_BASE_UDP,
  93                 .end    = AT91SAM9260_BASE_UDP + SZ_16K - 1,
  94                 .flags  = IORESOURCE_MEM,
  95         },
  96         [1] = {
  97                 .start  = AT91SAM9260_ID_UDP,
  98                 .end    = AT91SAM9260_ID_UDP,
  99                 .flags  = IORESOURCE_IRQ,
 100         },
 101 };
 102
 103 static struct platform_device at91_udc_device = {
 104         .name           = "at91_udc",
 105         .id             = -1,
 106         .dev            = {
 107                                 .platform_data          = &udc_data,
 108         },
 109         .resource       = udc_resources,
 110         .num_resources  = ARRAY_SIZE(udc_resources),
 111 };
 112
 113 void __init at91_add_device_udc(struct at91_udc_data *data)
 114 {
 115         if (!data)
 116                 return;
 117
 118         if (data->vbus_pin) {
 119                 at91_set_gpio_input(data->vbus_pin, 0);
 120                 at91_set_deglitch(data->vbus_pin, 1);
 121         }
 122
 123         /* Pullup pin is handled internally by USB device peripheral */
 124
 125         udc_data = *data;
 126         platform_device_register(&at91_udc_device);
 127 }
 128 #else
 129 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 130 #endif
 131
 132
 133 /* --------------------------------------------------------------------
 134  *  Ethernet
 135  * -------------------------------------------------------------------- */
 136
 137 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 138 static u64 eth_dmamask = DMA_BIT_MASK(32);
 139 static struct at91_eth_data eth_data;
 140
 141 static struct resource eth_resources[] = {
 142         [0] = {
 143                 .start  = AT91SAM9260_BASE_EMAC,
 144                 .end    = AT91SAM9260_BASE_EMAC + SZ_16K - 1,
 145                 .flags  = IORESOURCE_MEM,
 146         },
 147         [1] = {
 148                 .start  = AT91SAM9260_ID_EMAC,
 149                 .end    = AT91SAM9260_ID_EMAC,
 150                 .flags  = IORESOURCE_IRQ,
 151         },
 152 };
 153
 154 static struct platform_device at91sam9260_eth_device = {
 155         .name           = "macb",
 156         .id             = -1,
 157         .dev            = {
 158                                 .dma_mask               = &eth_dmamask,
 159                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 160                                 .platform_data          = &eth_data,
 161         },
 162         .resource       = eth_resources,
 163         .num_resources  = ARRAY_SIZE(eth_resources),
 164 };
 165
 166 void __init at91_add_device_eth(struct at91_eth_data *data)
 167 {
 168         if (!data)
 169                 return;
 170
 171         if (data->phy_irq_pin) {
 172                 at91_set_gpio_input(data->phy_irq_pin, 0);
 173                 at91_set_deglitch(data->phy_irq_pin, 1);
 174         }
 175
 176         /* Pins used for MII and RMII */
 177         at91_set_A_periph(AT91_PIN_PA19, 0);    /* ETXCK_EREFCK */
 178         at91_set_A_periph(AT91_PIN_PA17, 0);    /* ERXDV */
 179         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERX0 */
 180         at91_set_A_periph(AT91_PIN_PA15, 0);    /* ERX1 */
 181         at91_set_A_periph(AT91_PIN_PA18, 0);    /* ERXER */
 182         at91_set_A_periph(AT91_PIN_PA16, 0);    /* ETXEN */
 183         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ETX0 */
 184         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ETX1 */
 185         at91_set_A_periph(AT91_PIN_PA21, 0);    /* EMDIO */
 186         at91_set_A_periph(AT91_PIN_PA20, 0);    /* EMDC */
 187
 188         if (!data->is_rmii) {
 189                 at91_set_B_periph(AT91_PIN_PA28, 0);    /* ECRS */
 190                 at91_set_B_periph(AT91_PIN_PA29, 0);    /* ECOL */
 191                 at91_set_B_periph(AT91_PIN_PA25, 0);    /* ERX2 */
 192                 at91_set_B_periph(AT91_PIN_PA26, 0);    /* ERX3 */
 193                 at91_set_B_periph(AT91_PIN_PA27, 0);    /* ERXCK */
 194                 at91_set_B_periph(AT91_PIN_PA23, 0);    /* ETX2 */
 195                 at91_set_B_periph(AT91_PIN_PA24, 0);    /* ETX3 */
 196                 at91_set_B_periph(AT91_PIN_PA22, 0);    /* ETXER */
 197         }
 198
 199         eth_data = *data;
 200         platform_device_register(&at91sam9260_eth_device);
 201 }
 202 #else
 203 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 204 #endif
 205
 206
 207 /* --------------------------------------------------------------------
 208  *  MMC / SD
 209  * -------------------------------------------------------------------- */
 210
 211 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 212 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 213 static struct at91_mmc_data mmc_data;
 214
 215 static struct resource mmc_resources[] = {
 216         [0] = {
 217                 .start  = AT91SAM9260_BASE_MCI,
 218                 .end    = AT91SAM9260_BASE_MCI + SZ_16K - 1,
 219                 .flags  = IORESOURCE_MEM,
 220         },
 221         [1] = {
 222                 .start  = AT91SAM9260_ID_MCI,
 223                 .end    = AT91SAM9260_ID_MCI,
 224                 .flags  = IORESOURCE_IRQ,
 225         },
 226 };
 227
 228 static struct platform_device at91sam9260_mmc_device = {
 229         .name           = "at91_mci",
 230         .id             = -1,
 231         .dev            = {
 232                                 .dma_mask               = &mmc_dmamask,
 233                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 234                                 .platform_data          = &mmc_data,
 235         },
 236         .resource       = mmc_resources,
 237         .num_resources  = ARRAY_SIZE(mmc_resources),
 238 };
 239
 240 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 241 {
 242         if (!data)
 243                 return;
 244
 245         /* input/irq */
 246         if (data->det_pin) {
 247                 at91_set_gpio_input(data->det_pin, 1);
 248                 at91_set_deglitch(data->det_pin, 1);
 249         }
 250         if (data->wp_pin)
 251                 at91_set_gpio_input(data->wp_pin, 1);
 252         if (data->vcc_pin)
 253                 at91_set_gpio_output(data->vcc_pin, 0);
 254
 255         /* CLK */
 256         at91_set_A_periph(AT91_PIN_PA8, 0);
 257
 258         if (data->slot_b) {
 259                 /* CMD */
 260                 at91_set_B_periph(AT91_PIN_PA1, 1);
 261
 262                 /* DAT0, maybe DAT1..DAT3 */
 263                 at91_set_B_periph(AT91_PIN_PA0, 1);
 264                 if (data->wire4) {
 265                         at91_set_B_periph(AT91_PIN_PA5, 1);
 266                         at91_set_B_periph(AT91_PIN_PA4, 1);
 267                         at91_set_B_periph(AT91_PIN_PA3, 1);
 268                 }
 269         } else {
 270                 /* CMD */
 271                 at91_set_A_periph(AT91_PIN_PA7, 1);
 272
 273                 /* DAT0, maybe DAT1..DAT3 */
 274                 at91_set_A_periph(AT91_PIN_PA6, 1);
 275                 if (data->wire4) {
 276                         at91_set_A_periph(AT91_PIN_PA9, 1);
 277                         at91_set_A_periph(AT91_PIN_PA10, 1);
 278                         at91_set_A_periph(AT91_PIN_PA11, 1);
 279                 }
 280         }
 281
 282         mmc_data = *data;
 283         platform_device_register(&at91sam9260_mmc_device);
 284 }
 285 #else
 286 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 287 #endif
 288
 289 /* --------------------------------------------------------------------
 290  *  MMC / SD Slot for Atmel MCI Driver
 291  * -------------------------------------------------------------------- */
 292
 293 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 294 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 295 static struct mci_platform_data mmc_data;
 296
 297 static struct resource mmc_resources[] = {
 298         [0] = {
 299                 .start  = AT91SAM9260_BASE_MCI,
 300                 .end    = AT91SAM9260_BASE_MCI + SZ_16K - 1,
 301                 .flags  = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start  = AT91SAM9260_ID_MCI,
 305                 .end    = AT91SAM9260_ID_MCI,
 306                 .flags  = IORESOURCE_IRQ,
 307         },
 308 };
 309
 310 static struct platform_device at91sam9260_mmc_device = {
 311         .name           = "atmel_mci",
 312         .id             = -1,
 313         .dev            = {
 314                                 .dma_mask               = &mmc_dmamask,
 315                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 316                                 .platform_data          = &mmc_data,
 317         },
 318         .resource       = mmc_resources,
 319         .num_resources  = ARRAY_SIZE(mmc_resources),
 320 };
 321
 322 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
 323 {
 324         unsigned int i;
 325         unsigned int slot_count = 0;
 326
 327         if (!data)
 328                 return;
 329
 330         for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
 331                 if (data->slot[i].bus_width) {
 332                         /* input/irq */
 333                         if (data->slot[i].detect_pin) {
 334                                 at91_set_gpio_input(data->slot[i].detect_pin, 1);
 335                                 at91_set_deglitch(data->slot[i].detect_pin, 1);
 336                         }
 337                         if (data->slot[i].wp_pin)
 338                                 at91_set_gpio_input(data->slot[i].wp_pin, 1);
 339
 340                         switch (i) {
 341                         case 0:
 342                                 /* CMD */
 343                                 at91_set_A_periph(AT91_PIN_PA7, 1);
 344                                 /* DAT0, maybe DAT1..DAT3 */
 345                                 at91_set_A_periph(AT91_PIN_PA6, 1);
 346                                 if (data->slot[i].bus_width == 4) {
 347                                         at91_set_A_periph(AT91_PIN_PA9, 1);
 348                                         at91_set_A_periph(AT91_PIN_PA10, 1);
 349                                         at91_set_A_periph(AT91_PIN_PA11, 1);
 350                                 }
 351                                 slot_count++;
 352                                 break;
 353                         case 1:
 354                                 /* CMD */
 355                                 at91_set_B_periph(AT91_PIN_PA1, 1);
 356                                 /* DAT0, maybe DAT1..DAT3 */
 357                                 at91_set_B_periph(AT91_PIN_PA0, 1);
 358                                 if (data->slot[i].bus_width == 4) {
 359                                         at91_set_B_periph(AT91_PIN_PA5, 1);
 360                                         at91_set_B_periph(AT91_PIN_PA4, 1);
 361                                         at91_set_B_periph(AT91_PIN_PA3, 1);
 362                                 }
 363                                 slot_count++;
 364                                 break;
 365                         default:
 366                                 printk(KERN_ERR
 367                                         "AT91: SD/MMC slot %d not available\n", i);
 368                                 break;
 369                         }
 370                 }
 371         }
 372
 373         if (slot_count) {
 374                 /* CLK */
 375                 at91_set_A_periph(AT91_PIN_PA8, 0);
 376
 377                 mmc_data = *data;
 378                 platform_device_register(&at91sam9260_mmc_device);
 379         }
 380 }
 381 #else
 382 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
 383 #endif
 384
 385
 386 /* --------------------------------------------------------------------
 387  *  NAND / SmartMedia
 388  * -------------------------------------------------------------------- */
 389
 390 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 391 static struct atmel_nand_data nand_data;
 392
 393 #define NAND_BASE       AT91_CHIPSELECT_3
 394
 395 static struct resource nand_resources[] = {
 396         [0] = {
 397                 .start  = NAND_BASE,
 398                 .end    = NAND_BASE + SZ_256M - 1,
 399                 .flags  = IORESOURCE_MEM,
 400         },
 401         [1] = {
 402                 .start  = AT91_BASE_SYS + AT91_ECC,
 403                 .end    = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
 404                 .flags  = IORESOURCE_MEM,
 405         }
 406 };
 407
 408 static struct platform_device at91sam9260_nand_device = {
 409         .name           = "atmel_nand",
 410         .id             = -1,
 411         .dev            = {
 412                                 .platform_data  = &nand_data,
 413         },
 414         .resource       = nand_resources,
 415         .num_resources  = ARRAY_SIZE(nand_resources),
 416 };
 417
 418 void __init at91_add_device_nand(struct atmel_nand_data *data)
 419 {
 420         unsigned long csa;
 421
 422         if (!data)
 423                 return;
 424
 425         csa = at91_sys_read(AT91_MATRIX_EBICSA);
 426         at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
 427
 428         /* enable pin */
 429         if (data->enable_pin)
 430                 at91_set_gpio_output(data->enable_pin, 1);
 431
 432         /* ready/busy pin */
 433         if (data->rdy_pin)
 434                 at91_set_gpio_input(data->rdy_pin, 1);
 435
 436         /* card detect pin */
 437         if (data->det_pin)
 438                 at91_set_gpio_input(data->det_pin, 1);
 439
 440         nand_data = *data;
 441         platform_device_register(&at91sam9260_nand_device);
 442 }
 443 #else
 444 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 445 #endif
 446
 447
 448 /* --------------------------------------------------------------------
 449  *  TWI (i2c)
 450  * -------------------------------------------------------------------- */
 451
 452 /*
 453  * Prefer the GPIO code since the TWI controller isn't robust
 454  * (gets overruns and underruns under load) and can only issue
 455  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 456  */
 457
 458 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 459
 460 static struct i2c_gpio_platform_data pdata = {
 461         .sda_pin                = AT91_PIN_PA23,
 462         .sda_is_open_drain      = 1,
 463         .scl_pin                = AT91_PIN_PA24,
 464         .scl_is_open_drain      = 1,
 465         .udelay                 = 2,            /* ~100 kHz */
 466 };
 467
 468 static struct platform_device at91sam9260_twi_device = {
 469         .name                   = "i2c-gpio",
 470         .id                     = -1,
 471         .dev.platform_data      = &pdata,
 472 };
 473
 474 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 475 {
 476         at91_set_GPIO_periph(AT91_PIN_PA23, 1);         /* TWD (SDA) */
 477         at91_set_multi_drive(AT91_PIN_PA23, 1);
 478
 479         at91_set_GPIO_periph(AT91_PIN_PA24, 1);         /* TWCK (SCL) */
 480         at91_set_multi_drive(AT91_PIN_PA24, 1);
 481
 482         i2c_register_board_info(0, devices, nr_devices);
 483         platform_device_register(&at91sam9260_twi_device);
 484 }
 485
 486 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 487
 488 static struct resource twi_resources[] = {
 489         [0] = {
 490                 .start  = AT91SAM9260_BASE_TWI,
 491                 .end    = AT91SAM9260_BASE_TWI + SZ_16K - 1,
 492                 .flags  = IORESOURCE_MEM,
 493         },
 494         [1] = {
 495                 .start  = AT91SAM9260_ID_TWI,
 496                 .end    = AT91SAM9260_ID_TWI,
 497                 .flags  = IORESOURCE_IRQ,
 498         },
 499 };
 500
 501 static struct platform_device at91sam9260_twi_device = {
 502         .name           = "at91_i2c",
 503         .id             = -1,
 504         .resource       = twi_resources,
 505         .num_resources  = ARRAY_SIZE(twi_resources),
 506 };
 507
 508 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 509 {
 510         /* pins used for TWI interface */
 511         at91_set_A_periph(AT91_PIN_PA23, 0);            /* TWD */
 512         at91_set_multi_drive(AT91_PIN_PA23, 1);
 513
 514         at91_set_A_periph(AT91_PIN_PA24, 0);            /* TWCK */
 515         at91_set_multi_drive(AT91_PIN_PA24, 1);
 516
 517         i2c_register_board_info(0, devices, nr_devices);
 518         platform_device_register(&at91sam9260_twi_device);
 519 }
 520 #else
 521 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 522 #endif
 523
 524
 525 /* --------------------------------------------------------------------
 526  *  SPI
 527  * -------------------------------------------------------------------- */
 528
 529 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 530 static u64 spi_dmamask = DMA_BIT_MASK(32);
 531
 532 static struct resource spi0_resources[] = {
 533         [0] = {
 534                 .start  = AT91SAM9260_BASE_SPI0,
 535                 .end    = AT91SAM9260_BASE_SPI0 + SZ_16K - 1,
 536                 .flags  = IORESOURCE_MEM,
 537         },
 538         [1] = {
 539                 .start  = AT91SAM9260_ID_SPI0,
 540                 .end    = AT91SAM9260_ID_SPI0,
 541                 .flags  = IORESOURCE_IRQ,
 542         },
 543 };
 544
 545 static struct platform_device at91sam9260_spi0_device = {
 546         .name           = "atmel_spi",
 547         .id             = 0,
 548         .dev            = {
 549                                 .dma_mask               = &spi_dmamask,
 550                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 551         },
 552         .resource       = spi0_resources,
 553         .num_resources  = ARRAY_SIZE(spi0_resources),
 554 };
 555
 556 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 };
 557
 558 static struct resource spi1_resources[] = {
 559         [0] = {
 560                 .start  = AT91SAM9260_BASE_SPI1,
 561                 .end    = AT91SAM9260_BASE_SPI1 + SZ_16K - 1,
 562                 .flags  = IORESOURCE_MEM,
 563         },
 564         [1] = {
 565                 .start  = AT91SAM9260_ID_SPI1,
 566                 .end    = AT91SAM9260_ID_SPI1,
 567                 .flags  = IORESOURCE_IRQ,
 568         },
 569 };
 570
 571 static struct platform_device at91sam9260_spi1_device = {
 572         .name           = "atmel_spi",
 573         .id             = 1,
 574         .dev            = {
 575                                 .dma_mask               = &spi_dmamask,
 576                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 577         },
 578         .resource       = spi1_resources,
 579         .num_resources  = ARRAY_SIZE(spi1_resources),
 580 };
 581
 582 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
 583
 584 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 585 {
 586         int i;
 587         unsigned long cs_pin;
 588         short enable_spi0 = 0;
 589         short enable_spi1 = 0;
 590
 591         /* Choose SPI chip-selects */
 592         for (i = 0; i < nr_devices; i++) {
 593                 if (devices[i].controller_data)
 594                         cs_pin = (unsigned long) devices[i].controller_data;
 595                 else if (devices[i].bus_num == 0)
 596                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 597                 else
 598                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 599
 600                 if (devices[i].bus_num == 0)
 601                         enable_spi0 = 1;
 602                 else
 603                         enable_spi1 = 1;
 604
 605                 /* enable chip-select pin */
 606                 at91_set_gpio_output(cs_pin, 1);
 607
 608                 /* pass chip-select pin to driver */
 609                 devices[i].controller_data = (void *) cs_pin;
 610         }
 611
 612         spi_register_board_info(devices, nr_devices);
 613
 614         /* Configure SPI bus(es) */
 615         if (enable_spi0) {
 616                 at91_set_A_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 617                 at91_set_A_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 618                 at91_set_A_periph(AT91_PIN_PA2, 0);     /* SPI1_SPCK */
 619
 620                 platform_device_register(&at91sam9260_spi0_device);
 621         }
 622         if (enable_spi1) {
 623                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI1_MISO */
 624                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI1_MOSI */
 625                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI1_SPCK */
 626
 627                 platform_device_register(&at91sam9260_spi1_device);
 628         }
 629 }
 630 #else
 631 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 632 #endif
 633
 634
 635 /* --------------------------------------------------------------------
 636  *  Timer/Counter blocks
 637  * -------------------------------------------------------------------- */
 638
 639 #ifdef CONFIG_ATMEL_TCLIB
 640
 641 static struct resource tcb0_resources[] = {
 642         [0] = {
 643                 .start  = AT91SAM9260_BASE_TCB0,
 644                 .end    = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
 645                 .flags  = IORESOURCE_MEM,
 646         },
 647         [1] = {
 648                 .start  = AT91SAM9260_ID_TC0,
 649                 .end    = AT91SAM9260_ID_TC0,
 650                 .flags  = IORESOURCE_IRQ,
 651         },
 652         [2] = {
 653                 .start  = AT91SAM9260_ID_TC1,
 654                 .end    = AT91SAM9260_ID_TC1,
 655                 .flags  = IORESOURCE_IRQ,
 656         },
 657         [3] = {
 658                 .start  = AT91SAM9260_ID_TC2,
 659                 .end    = AT91SAM9260_ID_TC2,
 660                 .flags  = IORESOURCE_IRQ,
 661         },
 662 };
 663
 664 static struct platform_device at91sam9260_tcb0_device = {
 665         .name           = "atmel_tcb",
 666         .id             = 0,
 667         .resource       = tcb0_resources,
 668         .num_resources  = ARRAY_SIZE(tcb0_resources),
 669 };
 670
 671 static struct resource tcb1_resources[] = {
 672         [0] = {
 673                 .start  = AT91SAM9260_BASE_TCB1,
 674                 .end    = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
 675                 .flags  = IORESOURCE_MEM,
 676         },
 677         [1] = {
 678                 .start  = AT91SAM9260_ID_TC3,
 679                 .end    = AT91SAM9260_ID_TC3,
 680                 .flags  = IORESOURCE_IRQ,
 681         },
 682         [2] = {
 683                 .start  = AT91SAM9260_ID_TC4,
 684                 .end    = AT91SAM9260_ID_TC4,
 685                 .flags  = IORESOURCE_IRQ,
 686         },
 687         [3] = {
 688                 .start  = AT91SAM9260_ID_TC5,
 689                 .end    = AT91SAM9260_ID_TC5,
 690                 .flags  = IORESOURCE_IRQ,
 691         },
 692 };
 693
 694 static struct platform_device at91sam9260_tcb1_device = {
 695         .name           = "atmel_tcb",
 696         .id             = 1,
 697         .resource       = tcb1_resources,
 698         .num_resources  = ARRAY_SIZE(tcb1_resources),
 699 };
 700
 701 static void __init at91_add_device_tc(void)
 702 {
 703         platform_device_register(&at91sam9260_tcb0_device);
 704         platform_device_register(&at91sam9260_tcb1_device);
 705 }
 706 #else
 707 static void __init at91_add_device_tc(void) { }
 708 #endif
 709
 710
 711 /* --------------------------------------------------------------------
 712  *  RTT
 713  * -------------------------------------------------------------------- */
 714
 715 static struct resource rtt_resources[] = {
 716         {
 717                 .start  = AT91_BASE_SYS + AT91_RTT,
 718                 .end    = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
 719                 .flags  = IORESOURCE_MEM,
 720         }
 721 };
 722
 723 static struct platform_device at91sam9260_rtt_device = {
 724         .name           = "at91_rtt",
 725         .id             = 0,
 726         .resource       = rtt_resources,
 727         .num_resources  = ARRAY_SIZE(rtt_resources),
 728 };
 729
 730 static void __init at91_add_device_rtt(void)
 731 {
 732         platform_device_register(&at91sam9260_rtt_device);
 733 }
 734
 735
 736 /* --------------------------------------------------------------------
 737  *  Watchdog
 738  * -------------------------------------------------------------------- */
 739
 740 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
 741 static struct platform_device at91sam9260_wdt_device = {
 742         .name           = "at91_wdt",
 743         .id             = -1,
 744         .num_resources  = 0,
 745 };
 746
 747 static void __init at91_add_device_watchdog(void)
 748 {
 749         platform_device_register(&at91sam9260_wdt_device);
 750 }
 751 #else
 752 static void __init at91_add_device_watchdog(void) {}
 753 #endif
 754
 755
 756 /* --------------------------------------------------------------------
 757  *  SSC -- Synchronous Serial Controller
 758  * -------------------------------------------------------------------- */
 759
 760 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 761 static u64 ssc_dmamask = DMA_BIT_MASK(32);
 762
 763 static struct resource ssc_resources[] = {
 764         [0] = {
 765                 .start  = AT91SAM9260_BASE_SSC,
 766                 .end    = AT91SAM9260_BASE_SSC + SZ_16K - 1,
 767                 .flags  = IORESOURCE_MEM,
 768         },
 769         [1] = {
 770                 .start  = AT91SAM9260_ID_SSC,
 771                 .end    = AT91SAM9260_ID_SSC,
 772                 .flags  = IORESOURCE_IRQ,
 773         },
 774 };
 775
 776 static struct platform_device at91sam9260_ssc_device = {
 777         .name   = "ssc",
 778         .id     = 0,
 779         .dev    = {
 780                 .dma_mask               = &ssc_dmamask,
 781                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 782         },
 783         .resource       = ssc_resources,
 784         .num_resources  = ARRAY_SIZE(ssc_resources),
 785 };
 786
 787 static inline void configure_ssc_pins(unsigned pins)
 788 {
 789         if (pins & ATMEL_SSC_TF)
 790                 at91_set_A_periph(AT91_PIN_PB17, 1);
 791         if (pins & ATMEL_SSC_TK)
 792                 at91_set_A_periph(AT91_PIN_PB16, 1);
 793         if (pins & ATMEL_SSC_TD)
 794                 at91_set_A_periph(AT91_PIN_PB18, 1);
 795         if (pins & ATMEL_SSC_RD)
 796                 at91_set_A_periph(AT91_PIN_PB19, 1);
 797         if (pins & ATMEL_SSC_RK)
 798                 at91_set_A_periph(AT91_PIN_PB20, 1);
 799         if (pins & ATMEL_SSC_RF)
 800                 at91_set_A_periph(AT91_PIN_PB21, 1);
 801 }
 802
 803 /*
 804  * SSC controllers are accessed through library code, instead of any
 805  * kind of all-singing/all-dancing driver.  For example one could be
 806  * used by a particular I2S audio codec's driver, while another one
 807  * on the same system might be used by a custom data capture driver.
 808  */
 809 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 810 {
 811         struct platform_device *pdev;
 812
 813         /*
 814          * NOTE: caller is responsible for passing information matching
 815          * "pins" to whatever will be using each particular controller.
 816          */
 817         switch (id) {
 818         case AT91SAM9260_ID_SSC:
 819                 pdev = &at91sam9260_ssc_device;
 820                 configure_ssc_pins(pins);
 821                 break;
 822         default:
 823                 return;
 824         }
 825
 826         platform_device_register(pdev);
 827 }
 828
 829 #else
 830 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 831 #endif
 832
 833
 834 /* --------------------------------------------------------------------
 835  *  UART
 836  * -------------------------------------------------------------------- */
 837 #if defined(CONFIG_SERIAL_ATMEL)
 838 static struct resource dbgu_resources[] = {
 839         [0] = {
 840                 .start  = AT91_BASE_SYS + AT91_DBGU,
 841                 .end    = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 842                 .flags  = IORESOURCE_MEM,
 843         },
 844         [1] = {
 845                 .start  = AT91_ID_SYS,
 846                 .end    = AT91_ID_SYS,
 847                 .flags  = IORESOURCE_IRQ,
 848         },
 849 };
 850
 851 static struct atmel_uart_data dbgu_data = {
 852         .use_dma_tx     = 0,
 853         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
 854 };
 855
 856 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
 857
 858 static struct platform_device at91sam9260_dbgu_device = {
 859         .name           = "atmel_usart",
 860         .id             = 0,
 861         .dev            = {
 862                                 .dma_mask               = &dbgu_dmamask,
 863                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 864                                 .platform_data          = &dbgu_data,
 865         },
 866         .resource       = dbgu_resources,
 867         .num_resources  = ARRAY_SIZE(dbgu_resources),
 868 };
 869
 870 static inline void configure_dbgu_pins(void)
 871 {
 872         at91_set_A_periph(AT91_PIN_PB14, 0);            /* DRXD */
 873         at91_set_A_periph(AT91_PIN_PB15, 1);            /* DTXD */
 874 }
 875
 876 static struct resource uart0_resources[] = {
 877         [0] = {
 878                 .start  = AT91SAM9260_BASE_US0,
 879                 .end    = AT91SAM9260_BASE_US0 + SZ_16K - 1,
 880                 .flags  = IORESOURCE_MEM,
 881         },
 882         [1] = {
 883                 .start  = AT91SAM9260_ID_US0,
 884                 .end    = AT91SAM9260_ID_US0,
 885                 .flags  = IORESOURCE_IRQ,
 886         },
 887 };
 888
 889 static struct atmel_uart_data uart0_data = {
 890         .use_dma_tx     = 1,
 891         .use_dma_rx     = 1,
 892 };
 893
 894 static u64 uart0_dmamask = DMA_BIT_MASK(32);
 895
 896 static struct platform_device at91sam9260_uart0_device = {
 897         .name           = "atmel_usart",
 898         .id             = 1,
 899         .dev            = {
 900                                 .dma_mask               = &uart0_dmamask,
 901                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 902                                 .platform_data          = &uart0_data,
 903         },
 904         .resource       = uart0_resources,
 905         .num_resources  = ARRAY_SIZE(uart0_resources),
 906 };
 907
 908 static inline void configure_usart0_pins(unsigned pins)
 909 {
 910         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD0 */
 911         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD0 */
 912
 913         if (pins & ATMEL_UART_RTS)
 914                 at91_set_A_periph(AT91_PIN_PB26, 0);    /* RTS0 */
 915         if (pins & ATMEL_UART_CTS)
 916                 at91_set_A_periph(AT91_PIN_PB27, 0);    /* CTS0 */
 917         if (pins & ATMEL_UART_DTR)
 918                 at91_set_A_periph(AT91_PIN_PB24, 0);    /* DTR0 */
 919         if (pins & ATMEL_UART_DSR)
 920                 at91_set_A_periph(AT91_PIN_PB22, 0);    /* DSR0 */
 921         if (pins & ATMEL_UART_DCD)
 922                 at91_set_A_periph(AT91_PIN_PB23, 0);    /* DCD0 */
 923         if (pins & ATMEL_UART_RI)
 924                 at91_set_A_periph(AT91_PIN_PB25, 0);    /* RI0 */
 925 }
 926
 927 static struct resource uart1_resources[] = {
 928         [0] = {
 929                 .start  = AT91SAM9260_BASE_US1,
 930                 .end    = AT91SAM9260_BASE_US1 + SZ_16K - 1,
 931                 .flags  = IORESOURCE_MEM,
 932         },
 933         [1] = {
 934                 .start  = AT91SAM9260_ID_US1,
 935                 .end    = AT91SAM9260_ID_US1,
 936                 .flags  = IORESOURCE_IRQ,
 937         },
 938 };
 939
 940 static struct atmel_uart_data uart1_data = {
 941         .use_dma_tx     = 1,
 942         .use_dma_rx     = 1,
 943 };
 944
 945 static u64 uart1_dmamask = DMA_BIT_MASK(32);
 946
 947 static struct platform_device at91sam9260_uart1_device = {
 948         .name           = "atmel_usart",
 949         .id             = 2,
 950         .dev            = {
 951                                 .dma_mask               = &uart1_dmamask,
 952                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 953                                 .platform_data          = &uart1_data,
 954         },
 955         .resource       = uart1_resources,
 956         .num_resources  = ARRAY_SIZE(uart1_resources),
 957 };
 958
 959 static inline void configure_usart1_pins(unsigned pins)
 960 {
 961         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD1 */
 962         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD1 */
 963
 964         if (pins & ATMEL_UART_RTS)
 965                 at91_set_A_periph(AT91_PIN_PB28, 0);    /* RTS1 */
 966         if (pins & ATMEL_UART_CTS)
 967                 at91_set_A_periph(AT91_PIN_PB29, 0);    /* CTS1 */
 968 }
 969
 970 static struct resource uart2_resources[] = {
 971         [0] = {
 972                 .start  = AT91SAM9260_BASE_US2,
 973                 .end    = AT91SAM9260_BASE_US2 + SZ_16K - 1,
 974                 .flags  = IORESOURCE_MEM,
 975         },
 976         [1] = {
 977                 .start  = AT91SAM9260_ID_US2,
 978                 .end    = AT91SAM9260_ID_US2,
 979                 .flags  = IORESOURCE_IRQ,
 980         },
 981 };
 982
 983 static struct atmel_uart_data uart2_data = {
 984         .use_dma_tx     = 1,
 985         .use_dma_rx     = 1,
 986 };
 987
 988 static u64 uart2_dmamask = DMA_BIT_MASK(32);
 989
 990 static struct platform_device at91sam9260_uart2_device = {
 991         .name           = "atmel_usart",
 992         .id             = 3,
 993         .dev            = {
 994                                 .dma_mask               = &uart2_dmamask,
 995                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 996                                 .platform_data          = &uart2_data,
 997         },
 998         .resource       = uart2_resources,
 999         .num_resources  = ARRAY_SIZE(uart2_resources),
1000 };
1001
1002 static inline void configure_usart2_pins(unsigned pins)
1003 {
1004         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD2 */
1005         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD2 */
1006
1007         if (pins & ATMEL_UART_RTS)
1008                 at91_set_A_periph(AT91_PIN_PA4, 0);     /* RTS2 */
1009         if (pins & ATMEL_UART_CTS)
1010                 at91_set_A_periph(AT91_PIN_PA5, 0);     /* CTS2 */
1011 }
1012
1013 static struct resource uart3_resources[] = {
1014         [0] = {
1015                 .start  = AT91SAM9260_BASE_US3,
1016                 .end    = AT91SAM9260_BASE_US3 + SZ_16K - 1,
1017                 .flags  = IORESOURCE_MEM,
1018         },
1019         [1] = {
1020                 .start  = AT91SAM9260_ID_US3,
1021                 .end    = AT91SAM9260_ID_US3,
1022                 .flags  = IORESOURCE_IRQ,
1023         },
1024 };
1025
1026 static struct atmel_uart_data uart3_data = {
1027         .use_dma_tx     = 1,
1028         .use_dma_rx     = 1,
1029 };
1030
1031 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1032
1033 static struct platform_device at91sam9260_uart3_device = {
1034         .name           = "atmel_usart",
1035         .id             = 4,
1036         .dev            = {
1037                                 .dma_mask               = &uart3_dmamask,
1038                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1039                                 .platform_data          = &uart3_data,
1040         },
1041         .resource       = uart3_resources,
1042         .num_resources  = ARRAY_SIZE(uart3_resources),
1043 };
1044
1045 static inline void configure_usart3_pins(unsigned pins)
1046 {
1047         at91_set_A_periph(AT91_PIN_PB10, 1);            /* TXD3 */
1048         at91_set_A_periph(AT91_PIN_PB11, 0);            /* RXD3 */
1049
1050         if (pins & ATMEL_UART_RTS)
1051                 at91_set_B_periph(AT91_PIN_PC8, 0);     /* RTS3 */
1052         if (pins & ATMEL_UART_CTS)
1053                 at91_set_B_periph(AT91_PIN_PC10, 0);    /* CTS3 */
1054 }
1055
1056 static struct resource uart4_resources[] = {
1057         [0] = {
1058                 .start  = AT91SAM9260_BASE_US4,
1059                 .end    = AT91SAM9260_BASE_US4 + SZ_16K - 1,
1060                 .flags  = IORESOURCE_MEM,
1061         },
1062         [1] = {
1063                 .start  = AT91SAM9260_ID_US4,
1064                 .end    = AT91SAM9260_ID_US4,
1065                 .flags  = IORESOURCE_IRQ,
1066         },
1067 };
1068
1069 static struct atmel_uart_data uart4_data = {
1070         .use_dma_tx     = 1,
1071         .use_dma_rx     = 1,
1072 };
1073
1074 static u64 uart4_dmamask = DMA_BIT_MASK(32);
1075
1076 static struct platform_device at91sam9260_uart4_device = {
1077         .name           = "atmel_usart",
1078         .id             = 5,
1079         .dev            = {
1080                                 .dma_mask               = &uart4_dmamask,
1081                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1082                                 .platform_data          = &uart4_data,
1083         },
1084         .resource       = uart4_resources,
1085         .num_resources  = ARRAY_SIZE(uart4_resources),
1086 };
1087
1088 static inline void configure_usart4_pins(void)
1089 {
1090         at91_set_B_periph(AT91_PIN_PA31, 1);            /* TXD4 */
1091         at91_set_B_periph(AT91_PIN_PA30, 0);            /* RXD4 */
1092 }
1093
1094 static struct resource uart5_resources[] = {
1095         [0] = {
1096                 .start  = AT91SAM9260_BASE_US5,
1097                 .end    = AT91SAM9260_BASE_US5 + SZ_16K - 1,
1098                 .flags  = IORESOURCE_MEM,
1099         },
1100         [1] = {
1101                 .start  = AT91SAM9260_ID_US5,
1102                 .end    = AT91SAM9260_ID_US5,
1103                 .flags  = IORESOURCE_IRQ,
1104         },
1105 };
1106
1107 static struct atmel_uart_data uart5_data = {
1108         .use_dma_tx     = 1,
1109         .use_dma_rx     = 1,
1110 };
1111
1112 static u64 uart5_dmamask = DMA_BIT_MASK(32);
1113
1114 static struct platform_device at91sam9260_uart5_device = {
1115         .name           = "atmel_usart",
1116         .id             = 6,
1117         .dev            = {
1118                                 .dma_mask               = &uart5_dmamask,
1119                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1120                                 .platform_data          = &uart5_data,
1121         },
1122         .resource       = uart5_resources,
1123         .num_resources  = ARRAY_SIZE(uart5_resources),
1124 };
1125
1126 static inline void configure_usart5_pins(void)
1127 {
1128         at91_set_A_periph(AT91_PIN_PB12, 1);            /* TXD5 */
1129         at91_set_A_periph(AT91_PIN_PB13, 0);            /* RXD5 */
1130 }
1131
1132 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1133 struct platform_device *atmel_default_console_device;   /* the serial console device */
1134
1135 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1136 {
1137         struct platform_device *pdev;
1138         struct atmel_uart_data *pdata;
1139
1140         switch (id) {
1141                 case 0:         /* DBGU */
1142                         pdev = &at91sam9260_dbgu_device;
1143                         configure_dbgu_pins();
1144                         break;
1145                 case AT91SAM9260_ID_US0:
1146                         pdev = &at91sam9260_uart0_device;
1147                         configure_usart0_pins(pins);
1148                         break;
1149                 case AT91SAM9260_ID_US1:
1150                         pdev = &at91sam9260_uart1_device;
1151                         configure_usart1_pins(pins);
1152                         break;
1153                 case AT91SAM9260_ID_US2:
1154                         pdev = &at91sam9260_uart2_device;
1155                         configure_usart2_pins(pins);
1156                         break;
1157                 case AT91SAM9260_ID_US3:
1158                         pdev = &at91sam9260_uart3_device;
1159                         configure_usart3_pins(pins);
1160                         break;
1161                 case AT91SAM9260_ID_US4:
1162                         pdev = &at91sam9260_uart4_device;
1163                         configure_usart4_pins();
1164                         break;
1165                 case AT91SAM9260_ID_US5:
1166                         pdev = &at91sam9260_uart5_device;
1167                         configure_usart5_pins();
1168                         break;
1169                 default:
1170                         return;
1171         }
1172         pdata = pdev->dev.platform_data;
1173         pdata->num = portnr;            /* update to mapped ID */
1174
1175         if (portnr < ATMEL_MAX_UART)
1176                 at91_uarts[portnr] = pdev;
1177 }
1178
1179 void __init at91_set_serial_console(unsigned portnr)
1180 {
1181         if (portnr < ATMEL_MAX_UART) {
1182                 atmel_default_console_device = at91_uarts[portnr];
1183                 at91sam9260_set_console_clock(at91_uarts[portnr]->id);
1184         }
1185 }
1186
1187 void __init at91_add_device_serial(void)
1188 {
1189         int i;
1190
1191         for (i = 0; i < ATMEL_MAX_UART; i++) {
1192                 if (at91_uarts[i])
1193                         platform_device_register(at91_uarts[i]);
1194         }
1195
1196         if (!atmel_default_console_device)
1197                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1198 }
1199 #else
1200 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1201 void __init at91_set_serial_console(unsigned portnr) {}
1202 void __init at91_add_device_serial(void) {}
1203 #endif
1204
1205 /* --------------------------------------------------------------------
1206  *  CF/IDE
1207  * -------------------------------------------------------------------- */
1208
1209 #if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) || \
1210         defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
1211         defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
1212
1213 static struct at91_cf_data cf0_data;
1214
1215 static struct resource cf0_resources[] = {
1216         [0] = {
1217                 .start  = AT91_CHIPSELECT_4,
1218                 .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
1219                 .flags  = IORESOURCE_MEM,
1220         }
1221 };
1222
1223 static struct platform_device cf0_device = {
1224         .id             = 0,
1225         .dev            = {
1226                                 .platform_data  = &cf0_data,
1227         },
1228         .resource       = cf0_resources,
1229         .num_resources  = ARRAY_SIZE(cf0_resources),
1230 };
1231
1232 static struct at91_cf_data cf1_data;
1233
1234 static struct resource cf1_resources[] = {
1235         [0] = {
1236                 .start  = AT91_CHIPSELECT_5,
1237                 .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
1238                 .flags  = IORESOURCE_MEM,
1239         }
1240 };
1241
1242 static struct platform_device cf1_device = {
1243         .id             = 1,
1244         .dev            = {
1245                                 .platform_data  = &cf1_data,
1246         },
1247         .resource       = cf1_resources,
1248         .num_resources  = ARRAY_SIZE(cf1_resources),
1249 };
1250
1251 void __init at91_add_device_cf(struct at91_cf_data *data)
1252 {
1253         struct platform_device *pdev;
1254         unsigned long csa;
1255
1256         if (!data)
1257                 return;
1258
1259         csa = at91_sys_read(AT91_MATRIX_EBICSA);
1260
1261         switch (data->chipselect) {
1262         case 4:
1263                 at91_set_multi_drive(AT91_PIN_PC8, 0);
1264                 at91_set_A_periph(AT91_PIN_PC8, 0);
1265                 csa |= AT91_MATRIX_CS4A_SMC_CF1;
1266                 cf0_data = *data;
1267                 pdev = &cf0_device;
1268                 break;
1269         case 5:
1270                 at91_set_multi_drive(AT91_PIN_PC9, 0);
1271                 at91_set_A_periph(AT91_PIN_PC9, 0);
1272                 csa |= AT91_MATRIX_CS5A_SMC_CF2;
1273                 cf1_data = *data;
1274                 pdev = &cf1_device;
1275                 break;
1276         default:
1277                 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
1278                        data->chipselect);
1279                 return;
1280         }
1281
1282         at91_sys_write(AT91_MATRIX_EBICSA, csa);
1283
1284         if (data->rst_pin) {
1285                 at91_set_multi_drive(data->rst_pin, 0);
1286                 at91_set_gpio_output(data->rst_pin, 1);
1287         }
1288
1289         if (data->irq_pin) {
1290                 at91_set_gpio_input(data->irq_pin, 0);
1291                 at91_set_deglitch(data->irq_pin, 1);
1292         }
1293
1294         if (data->det_pin) {
1295                 at91_set_gpio_input(data->det_pin, 0);
1296                 at91_set_deglitch(data->det_pin, 1);
1297         }
1298
1299         at91_set_B_periph(AT91_PIN_PC6, 0);     /* CFCE1 */
1300         at91_set_B_periph(AT91_PIN_PC7, 0);     /* CFCE2 */
1301         at91_set_A_periph(AT91_PIN_PC10, 0);    /* CFRNW */
1302         at91_set_A_periph(AT91_PIN_PC15, 1);    /* NWAIT */
1303
1304         if (data->flags & AT91_CF_TRUE_IDE)
1305 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
1306                 pdev->name = "pata_at91";
1307 #elif defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
1308                 pdev->name = "at91_ide";
1309 #else
1310 #warning "board requires AT91_CF_TRUE_IDE: enable either at91_ide or pata_at91"
1311 #endif
1312         else
1313                 pdev->name = "at91_cf";
1314
1315         platform_device_register(pdev);
1316 }
1317
1318 #else
1319 void __init at91_add_device_cf(struct at91_cf_data * data) {}
1320 #endif
1321
1322 /* -------------------------------------------------------------------- */
1323 /*
1324  * These devices are always present and don't need any board-specific
1325  * setup.
1326  */
1327 static int __init at91_add_standard_devices(void)
1328 {
1329         at91_add_device_rtt();
1330         at91_add_device_watchdog();
1331         at91_add_device_tc();
1332         return 0;
1333 }
1334
1335 arch_initcall(at91_add_standard_devices);