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/at91_matrix.h>
  25 #include <mach/at91sam9_smc.h>
  26
  27 #include "generic.h"
  28
  29
  30 /* --------------------------------------------------------------------
  31  *  USB Host
  32  * -------------------------------------------------------------------- */
  33
  34 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  35 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  36 static struct at91_usbh_data usbh_data;
  37
  38 static struct resource usbh_resources[] = {
  39         [0] = {
  40                 .start  = AT91SAM9260_UHP_BASE,
  41                 .end    = AT91SAM9260_UHP_BASE + SZ_1M - 1,
  42                 .flags  = IORESOURCE_MEM,
  43         },
  44         [1] = {
  45                 .start  = AT91SAM9260_ID_UHP,
  46                 .end    = AT91SAM9260_ID_UHP,
  47                 .flags  = IORESOURCE_IRQ,
  48         },
  49 };
  50
  51 static struct platform_device at91_usbh_device = {
  52         .name           = "at91_ohci",
  53         .id             = -1,
  54         .dev            = {
  55                                 .dma_mask               = &ohci_dmamask,
  56                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  57                                 .platform_data          = &usbh_data,
  58         },
  59         .resource       = usbh_resources,
  60         .num_resources  = ARRAY_SIZE(usbh_resources),
  61 };
  62
  63 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  64 {
  65         int i;
  66
  67         if (!data)
  68                 return;
  69
  70         /* Enable overcurrent notification */
  71         for (i = 0; i < data->ports; i++) {
  72                 if (data->overcurrent_pin[i])
  73                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
  74         }
  75
  76         usbh_data = *data;
  77         platform_device_register(&at91_usbh_device);
  78 }
  79 #else
  80 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  81 #endif
  82
  83
  84 /* --------------------------------------------------------------------
  85  *  USB Device (Gadget)
  86  * -------------------------------------------------------------------- */
  87
  88 #ifdef CONFIG_USB_AT91
  89 static struct at91_udc_data udc_data;
  90
  91 static struct resource udc_resources[] = {
  92         [0] = {
  93                 .start  = AT91SAM9260_BASE_UDP,
  94                 .end    = AT91SAM9260_BASE_UDP + SZ_16K - 1,
  95                 .flags  = IORESOURCE_MEM,
  96         },
  97         [1] = {
  98                 .start  = AT91SAM9260_ID_UDP,
  99                 .end    = AT91SAM9260_ID_UDP,
 100                 .flags  = IORESOURCE_IRQ,
 101         },
 102 };
 103
 104 static struct platform_device at91_udc_device = {
 105         .name           = "at91_udc",
 106         .id             = -1,
 107         .dev            = {
 108                                 .platform_data          = &udc_data,
 109         },
 110         .resource       = udc_resources,
 111         .num_resources  = ARRAY_SIZE(udc_resources),
 112 };
 113
 114 void __init at91_add_device_udc(struct at91_udc_data *data)
 115 {
 116         if (!data)
 117                 return;
 118
 119         if (gpio_is_valid(data->vbus_pin)) {
 120                 at91_set_gpio_input(data->vbus_pin, 0);
 121                 at91_set_deglitch(data->vbus_pin, 1);
 122         }
 123
 124         /* Pullup pin is handled internally by USB device peripheral */
 125
 126         udc_data = *data;
 127         platform_device_register(&at91_udc_device);
 128 }
 129 #else
 130 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 131 #endif
 132
 133
 134 /* --------------------------------------------------------------------
 135  *  Ethernet
 136  * -------------------------------------------------------------------- */
 137
 138 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 139 static u64 eth_dmamask = DMA_BIT_MASK(32);
 140 static struct macb_platform_data eth_data;
 141
 142 static struct resource eth_resources[] = {
 143         [0] = {
 144                 .start  = AT91SAM9260_BASE_EMAC,
 145                 .end    = AT91SAM9260_BASE_EMAC + SZ_16K - 1,
 146                 .flags  = IORESOURCE_MEM,
 147         },
 148         [1] = {
 149                 .start  = AT91SAM9260_ID_EMAC,
 150                 .end    = AT91SAM9260_ID_EMAC,
 151                 .flags  = IORESOURCE_IRQ,
 152         },
 153 };
 154
 155 static struct platform_device at91sam9260_eth_device = {
 156         .name           = "macb",
 157         .id             = -1,
 158         .dev            = {
 159                                 .dma_mask               = &eth_dmamask,
 160                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 161                                 .platform_data          = &eth_data,
 162         },
 163         .resource       = eth_resources,
 164         .num_resources  = ARRAY_SIZE(eth_resources),
 165 };
 166
 167 void __init at91_add_device_eth(struct macb_platform_data *data)
 168 {
 169         if (!data)
 170                 return;
 171
 172         if (gpio_is_valid(data->phy_irq_pin)) {
 173                 at91_set_gpio_input(data->phy_irq_pin, 0);
 174                 at91_set_deglitch(data->phy_irq_pin, 1);
 175         }
 176
 177         /* Pins used for MII and RMII */
 178         at91_set_A_periph(AT91_PIN_PA19, 0);    /* ETXCK_EREFCK */
 179         at91_set_A_periph(AT91_PIN_PA17, 0);    /* ERXDV */
 180         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERX0 */
 181         at91_set_A_periph(AT91_PIN_PA15, 0);    /* ERX1 */
 182         at91_set_A_periph(AT91_PIN_PA18, 0);    /* ERXER */
 183         at91_set_A_periph(AT91_PIN_PA16, 0);    /* ETXEN */
 184         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ETX0 */
 185         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ETX1 */
 186         at91_set_A_periph(AT91_PIN_PA21, 0);    /* EMDIO */
 187         at91_set_A_periph(AT91_PIN_PA20, 0);    /* EMDC */
 188
 189         if (!data->is_rmii) {
 190                 at91_set_B_periph(AT91_PIN_PA28, 0);    /* ECRS */
 191                 at91_set_B_periph(AT91_PIN_PA29, 0);    /* ECOL */
 192                 at91_set_B_periph(AT91_PIN_PA25, 0);    /* ERX2 */
 193                 at91_set_B_periph(AT91_PIN_PA26, 0);    /* ERX3 */
 194                 at91_set_B_periph(AT91_PIN_PA27, 0);    /* ERXCK */
 195                 at91_set_B_periph(AT91_PIN_PA23, 0);    /* ETX2 */
 196                 at91_set_B_periph(AT91_PIN_PA24, 0);    /* ETX3 */
 197                 at91_set_B_periph(AT91_PIN_PA22, 0);    /* ETXER */
 198         }
 199
 200         eth_data = *data;
 201         platform_device_register(&at91sam9260_eth_device);
 202 }
 203 #else
 204 void __init at91_add_device_eth(struct macb_platform_data *data) {}
 205 #endif
 206
 207
 208 /* --------------------------------------------------------------------
 209  *  MMC / SD
 210  * -------------------------------------------------------------------- */
 211
 212 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 213 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 214 static struct at91_mmc_data mmc_data;
 215
 216 static struct resource mmc_resources[] = {
 217         [0] = {
 218                 .start  = AT91SAM9260_BASE_MCI,
 219                 .end    = AT91SAM9260_BASE_MCI + SZ_16K - 1,
 220                 .flags  = IORESOURCE_MEM,
 221         },
 222         [1] = {
 223                 .start  = AT91SAM9260_ID_MCI,
 224                 .end    = AT91SAM9260_ID_MCI,
 225                 .flags  = IORESOURCE_IRQ,
 226         },
 227 };
 228
 229 static struct platform_device at91sam9260_mmc_device = {
 230         .name           = "at91_mci",
 231         .id             = -1,
 232         .dev            = {
 233                                 .dma_mask               = &mmc_dmamask,
 234                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 235                                 .platform_data          = &mmc_data,
 236         },
 237         .resource       = mmc_resources,
 238         .num_resources  = ARRAY_SIZE(mmc_resources),
 239 };
 240
 241 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 242 {
 243         if (!data)
 244                 return;
 245
 246         /* input/irq */
 247         if (gpio_is_valid(data->det_pin)) {
 248                 at91_set_gpio_input(data->det_pin, 1);
 249                 at91_set_deglitch(data->det_pin, 1);
 250         }
 251         if (gpio_is_valid(data->wp_pin))
 252                 at91_set_gpio_input(data->wp_pin, 1);
 253         if (gpio_is_valid(data->vcc_pin))
 254                 at91_set_gpio_output(data->vcc_pin, 0);
 255
 256         /* CLK */
 257         at91_set_A_periph(AT91_PIN_PA8, 0);
 258
 259         if (data->slot_b) {
 260                 /* CMD */
 261                 at91_set_B_periph(AT91_PIN_PA1, 1);
 262
 263                 /* DAT0, maybe DAT1..DAT3 */
 264                 at91_set_B_periph(AT91_PIN_PA0, 1);
 265                 if (data->wire4) {
 266                         at91_set_B_periph(AT91_PIN_PA5, 1);
 267                         at91_set_B_periph(AT91_PIN_PA4, 1);
 268                         at91_set_B_periph(AT91_PIN_PA3, 1);
 269                 }
 270         } else {
 271                 /* CMD */
 272                 at91_set_A_periph(AT91_PIN_PA7, 1);
 273
 274                 /* DAT0, maybe DAT1..DAT3 */
 275                 at91_set_A_periph(AT91_PIN_PA6, 1);
 276                 if (data->wire4) {
 277                         at91_set_A_periph(AT91_PIN_PA9, 1);
 278                         at91_set_A_periph(AT91_PIN_PA10, 1);
 279                         at91_set_A_periph(AT91_PIN_PA11, 1);
 280                 }
 281         }
 282
 283         mmc_data = *data;
 284         platform_device_register(&at91sam9260_mmc_device);
 285 }
 286 #else
 287 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 288 #endif
 289
 290 /* --------------------------------------------------------------------
 291  *  MMC / SD Slot for Atmel MCI Driver
 292  * -------------------------------------------------------------------- */
 293
 294 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 295 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 296 static struct mci_platform_data mmc_data;
 297
 298 static struct resource mmc_resources[] = {
 299         [0] = {
 300                 .start  = AT91SAM9260_BASE_MCI,
 301                 .end    = AT91SAM9260_BASE_MCI + SZ_16K - 1,
 302                 .flags  = IORESOURCE_MEM,
 303         },
 304         [1] = {
 305                 .start  = AT91SAM9260_ID_MCI,
 306                 .end    = AT91SAM9260_ID_MCI,
 307                 .flags  = IORESOURCE_IRQ,
 308         },
 309 };
 310
 311 static struct platform_device at91sam9260_mmc_device = {
 312         .name           = "atmel_mci",
 313         .id             = -1,
 314         .dev            = {
 315                                 .dma_mask               = &mmc_dmamask,
 316                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 317                                 .platform_data          = &mmc_data,
 318         },
 319         .resource       = mmc_resources,
 320         .num_resources  = ARRAY_SIZE(mmc_resources),
 321 };
 322
 323 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
 324 {
 325         unsigned int i;
 326         unsigned int slot_count = 0;
 327
 328         if (!data)
 329                 return;
 330
 331         for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
 332                 if (data->slot[i].bus_width) {
 333                         /* input/irq */
 334                         if (gpio_is_valid(data->slot[i].detect_pin)) {
 335                                 at91_set_gpio_input(data->slot[i].detect_pin, 1);
 336                                 at91_set_deglitch(data->slot[i].detect_pin, 1);
 337                         }
 338                         if (gpio_is_valid(data->slot[i].wp_pin))
 339                                 at91_set_gpio_input(data->slot[i].wp_pin, 1);
 340
 341                         switch (i) {
 342                         case 0:
 343                                 /* CMD */
 344                                 at91_set_A_periph(AT91_PIN_PA7, 1);
 345                                 /* DAT0, maybe DAT1..DAT3 */
 346                                 at91_set_A_periph(AT91_PIN_PA6, 1);
 347                                 if (data->slot[i].bus_width == 4) {
 348                                         at91_set_A_periph(AT91_PIN_PA9, 1);
 349                                         at91_set_A_periph(AT91_PIN_PA10, 1);
 350                                         at91_set_A_periph(AT91_PIN_PA11, 1);
 351                                 }
 352                                 slot_count++;
 353                                 break;
 354                         case 1:
 355                                 /* CMD */
 356                                 at91_set_B_periph(AT91_PIN_PA1, 1);
 357                                 /* DAT0, maybe DAT1..DAT3 */
 358                                 at91_set_B_periph(AT91_PIN_PA0, 1);
 359                                 if (data->slot[i].bus_width == 4) {
 360                                         at91_set_B_periph(AT91_PIN_PA5, 1);
 361                                         at91_set_B_periph(AT91_PIN_PA4, 1);
 362                                         at91_set_B_periph(AT91_PIN_PA3, 1);
 363                                 }
 364                                 slot_count++;
 365                                 break;
 366                         default:
 367                                 printk(KERN_ERR
 368                                         "AT91: SD/MMC slot %d not available\n", i);
 369                                 break;
 370                         }
 371                 }
 372         }
 373
 374         if (slot_count) {
 375                 /* CLK */
 376                 at91_set_A_periph(AT91_PIN_PA8, 0);
 377
 378                 mmc_data = *data;
 379                 platform_device_register(&at91sam9260_mmc_device);
 380         }
 381 }
 382 #else
 383 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
 384 #endif
 385
 386
 387 /* --------------------------------------------------------------------
 388  *  NAND / SmartMedia
 389  * -------------------------------------------------------------------- */
 390
 391 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 392 static struct atmel_nand_data nand_data;
 393
 394 #define NAND_BASE       AT91_CHIPSELECT_3
 395
 396 static struct resource nand_resources[] = {
 397         [0] = {
 398                 .start  = NAND_BASE,
 399                 .end    = NAND_BASE + SZ_256M - 1,
 400                 .flags  = IORESOURCE_MEM,
 401         },
 402         [1] = {
 403                 .start  = AT91SAM9260_BASE_ECC,
 404                 .end    = AT91SAM9260_BASE_ECC + SZ_512 - 1,
 405                 .flags  = IORESOURCE_MEM,
 406         }
 407 };
 408
 409 static struct platform_device at91sam9260_nand_device = {
 410         .name           = "atmel_nand",
 411         .id             = -1,
 412         .dev            = {
 413                                 .platform_data  = &nand_data,
 414         },
 415         .resource       = nand_resources,
 416         .num_resources  = ARRAY_SIZE(nand_resources),
 417 };
 418
 419 void __init at91_add_device_nand(struct atmel_nand_data *data)
 420 {
 421         unsigned long csa;
 422
 423         if (!data)
 424                 return;
 425
 426         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
 427         at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
 428
 429         /* enable pin */
 430         if (gpio_is_valid(data->enable_pin))
 431                 at91_set_gpio_output(data->enable_pin, 1);
 432
 433         /* ready/busy pin */
 434         if (gpio_is_valid(data->rdy_pin))
 435                 at91_set_gpio_input(data->rdy_pin, 1);
 436
 437         /* card detect pin */
 438         if (gpio_is_valid(data->det_pin))
 439                 at91_set_gpio_input(data->det_pin, 1);
 440
 441         nand_data = *data;
 442         platform_device_register(&at91sam9260_nand_device);
 443 }
 444 #else
 445 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 446 #endif
 447
 448
 449 /* --------------------------------------------------------------------
 450  *  TWI (i2c)
 451  * -------------------------------------------------------------------- */
 452
 453 /*
 454  * Prefer the GPIO code since the TWI controller isn't robust
 455  * (gets overruns and underruns under load) and can only issue
 456  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 457  */
 458
 459 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 460
 461 static struct i2c_gpio_platform_data pdata = {
 462         .sda_pin                = AT91_PIN_PA23,
 463         .sda_is_open_drain      = 1,
 464         .scl_pin                = AT91_PIN_PA24,
 465         .scl_is_open_drain      = 1,
 466         .udelay                 = 2,            /* ~100 kHz */
 467 };
 468
 469 static struct platform_device at91sam9260_twi_device = {
 470         .name                   = "i2c-gpio",
 471         .id                     = -1,
 472         .dev.platform_data      = &pdata,
 473 };
 474
 475 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 476 {
 477         at91_set_GPIO_periph(AT91_PIN_PA23, 1);         /* TWD (SDA) */
 478         at91_set_multi_drive(AT91_PIN_PA23, 1);
 479
 480         at91_set_GPIO_periph(AT91_PIN_PA24, 1);         /* TWCK (SCL) */
 481         at91_set_multi_drive(AT91_PIN_PA24, 1);
 482
 483         i2c_register_board_info(0, devices, nr_devices);
 484         platform_device_register(&at91sam9260_twi_device);
 485 }
 486
 487 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 488
 489 static struct resource twi_resources[] = {
 490         [0] = {
 491                 .start  = AT91SAM9260_BASE_TWI,
 492                 .end    = AT91SAM9260_BASE_TWI + SZ_16K - 1,
 493                 .flags  = IORESOURCE_MEM,
 494         },
 495         [1] = {
 496                 .start  = AT91SAM9260_ID_TWI,
 497                 .end    = AT91SAM9260_ID_TWI,
 498                 .flags  = IORESOURCE_IRQ,
 499         },
 500 };
 501
 502 static struct platform_device at91sam9260_twi_device = {
 503         .name           = "at91_i2c",
 504         .id             = -1,
 505         .resource       = twi_resources,
 506         .num_resources  = ARRAY_SIZE(twi_resources),
 507 };
 508
 509 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 510 {
 511         /* pins used for TWI interface */
 512         at91_set_A_periph(AT91_PIN_PA23, 0);            /* TWD */
 513         at91_set_multi_drive(AT91_PIN_PA23, 1);
 514
 515         at91_set_A_periph(AT91_PIN_PA24, 0);            /* TWCK */
 516         at91_set_multi_drive(AT91_PIN_PA24, 1);
 517
 518         i2c_register_board_info(0, devices, nr_devices);
 519         platform_device_register(&at91sam9260_twi_device);
 520 }
 521 #else
 522 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 523 #endif
 524
 525
 526 /* --------------------------------------------------------------------
 527  *  SPI
 528  * -------------------------------------------------------------------- */
 529
 530 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 531 static u64 spi_dmamask = DMA_BIT_MASK(32);
 532
 533 static struct resource spi0_resources[] = {
 534         [0] = {
 535                 .start  = AT91SAM9260_BASE_SPI0,
 536                 .end    = AT91SAM9260_BASE_SPI0 + SZ_16K - 1,
 537                 .flags  = IORESOURCE_MEM,
 538         },
 539         [1] = {
 540                 .start  = AT91SAM9260_ID_SPI0,
 541                 .end    = AT91SAM9260_ID_SPI0,
 542                 .flags  = IORESOURCE_IRQ,
 543         },
 544 };
 545
 546 static struct platform_device at91sam9260_spi0_device = {
 547         .name           = "atmel_spi",
 548         .id             = 0,
 549         .dev            = {
 550                                 .dma_mask               = &spi_dmamask,
 551                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 552         },
 553         .resource       = spi0_resources,
 554         .num_resources  = ARRAY_SIZE(spi0_resources),
 555 };
 556
 557 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 };
 558
 559 static struct resource spi1_resources[] = {
 560         [0] = {
 561                 .start  = AT91SAM9260_BASE_SPI1,
 562                 .end    = AT91SAM9260_BASE_SPI1 + SZ_16K - 1,
 563                 .flags  = IORESOURCE_MEM,
 564         },
 565         [1] = {
 566                 .start  = AT91SAM9260_ID_SPI1,
 567                 .end    = AT91SAM9260_ID_SPI1,
 568                 .flags  = IORESOURCE_IRQ,
 569         },
 570 };
 571
 572 static struct platform_device at91sam9260_spi1_device = {
 573         .name           = "atmel_spi",
 574         .id             = 1,
 575         .dev            = {
 576                                 .dma_mask               = &spi_dmamask,
 577                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 578         },
 579         .resource       = spi1_resources,
 580         .num_resources  = ARRAY_SIZE(spi1_resources),
 581 };
 582
 583 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
 584
 585 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 586 {
 587         int i;
 588         unsigned long cs_pin;
 589         short enable_spi0 = 0;
 590         short enable_spi1 = 0;
 591
 592         /* Choose SPI chip-selects */
 593         for (i = 0; i < nr_devices; i++) {
 594                 if (devices[i].controller_data)
 595                         cs_pin = (unsigned long) devices[i].controller_data;
 596                 else if (devices[i].bus_num == 0)
 597                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 598                 else
 599                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 600
 601                 if (devices[i].bus_num == 0)
 602                         enable_spi0 = 1;
 603                 else
 604                         enable_spi1 = 1;
 605
 606                 /* enable chip-select pin */
 607                 at91_set_gpio_output(cs_pin, 1);
 608
 609                 /* pass chip-select pin to driver */
 610                 devices[i].controller_data = (void *) cs_pin;
 611         }
 612
 613         spi_register_board_info(devices, nr_devices);
 614
 615         /* Configure SPI bus(es) */
 616         if (enable_spi0) {
 617                 at91_set_A_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 618                 at91_set_A_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 619                 at91_set_A_periph(AT91_PIN_PA2, 0);     /* SPI1_SPCK */
 620
 621                 platform_device_register(&at91sam9260_spi0_device);
 622         }
 623         if (enable_spi1) {
 624                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI1_MISO */
 625                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI1_MOSI */
 626                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI1_SPCK */
 627
 628                 platform_device_register(&at91sam9260_spi1_device);
 629         }
 630 }
 631 #else
 632 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 633 #endif
 634
 635
 636 /* --------------------------------------------------------------------
 637  *  Timer/Counter blocks
 638  * -------------------------------------------------------------------- */
 639
 640 #ifdef CONFIG_ATMEL_TCLIB
 641
 642 static struct resource tcb0_resources[] = {
 643         [0] = {
 644                 .start  = AT91SAM9260_BASE_TCB0,
 645                 .end    = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
 646                 .flags  = IORESOURCE_MEM,
 647         },
 648         [1] = {
 649                 .start  = AT91SAM9260_ID_TC0,
 650                 .end    = AT91SAM9260_ID_TC0,
 651                 .flags  = IORESOURCE_IRQ,
 652         },
 653         [2] = {
 654                 .start  = AT91SAM9260_ID_TC1,
 655                 .end    = AT91SAM9260_ID_TC1,
 656                 .flags  = IORESOURCE_IRQ,
 657         },
 658         [3] = {
 659                 .start  = AT91SAM9260_ID_TC2,
 660                 .end    = AT91SAM9260_ID_TC2,
 661                 .flags  = IORESOURCE_IRQ,
 662         },
 663 };
 664
 665 static struct platform_device at91sam9260_tcb0_device = {
 666         .name           = "atmel_tcb",
 667         .id             = 0,
 668         .resource       = tcb0_resources,
 669         .num_resources  = ARRAY_SIZE(tcb0_resources),
 670 };
 671
 672 static struct resource tcb1_resources[] = {
 673         [0] = {
 674                 .start  = AT91SAM9260_BASE_TCB1,
 675                 .end    = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
 676                 .flags  = IORESOURCE_MEM,
 677         },
 678         [1] = {
 679                 .start  = AT91SAM9260_ID_TC3,
 680                 .end    = AT91SAM9260_ID_TC3,
 681                 .flags  = IORESOURCE_IRQ,
 682         },
 683         [2] = {
 684                 .start  = AT91SAM9260_ID_TC4,
 685                 .end    = AT91SAM9260_ID_TC4,
 686                 .flags  = IORESOURCE_IRQ,
 687         },
 688         [3] = {
 689                 .start  = AT91SAM9260_ID_TC5,
 690                 .end    = AT91SAM9260_ID_TC5,
 691                 .flags  = IORESOURCE_IRQ,
 692         },
 693 };
 694
 695 static struct platform_device at91sam9260_tcb1_device = {
 696         .name           = "atmel_tcb",
 697         .id             = 1,
 698         .resource       = tcb1_resources,
 699         .num_resources  = ARRAY_SIZE(tcb1_resources),
 700 };
 701
 702 static void __init at91_add_device_tc(void)
 703 {
 704         platform_device_register(&at91sam9260_tcb0_device);
 705         platform_device_register(&at91sam9260_tcb1_device);
 706 }
 707 #else
 708 static void __init at91_add_device_tc(void) { }
 709 #endif
 710
 711
 712 /* --------------------------------------------------------------------
 713  *  RTT
 714  * -------------------------------------------------------------------- */
 715
 716 static struct resource rtt_resources[] = {
 717         {
 718                 .start  = AT91SAM9260_BASE_RTT,
 719                 .end    = AT91SAM9260_BASE_RTT + SZ_16 - 1,
 720                 .flags  = IORESOURCE_MEM,
 721         }
 722 };
 723
 724 static struct platform_device at91sam9260_rtt_device = {
 725         .name           = "at91_rtt",
 726         .id             = 0,
 727         .resource       = rtt_resources,
 728         .num_resources  = ARRAY_SIZE(rtt_resources),
 729 };
 730
 731
 732 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
 733 static void __init at91_add_device_rtt_rtc(void)
 734 {
 735         at91sam9260_rtt_device.name = "rtc-at91sam9";
 736 }
 737 #else
 738 static void __init at91_add_device_rtt_rtc(void) {}
 739 #endif
 740
 741 static void __init at91_add_device_rtt(void)
 742 {
 743         at91_add_device_rtt_rtc();
 744         platform_device_register(&at91sam9260_rtt_device);
 745 }
 746
 747
 748 /* --------------------------------------------------------------------
 749  *  Watchdog
 750  * -------------------------------------------------------------------- */
 751
 752 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
 753 static struct resource wdt_resources[] = {
 754         {
 755                 .start  = AT91SAM9260_BASE_WDT,
 756                 .end    = AT91SAM9260_BASE_WDT + SZ_16 - 1,
 757                 .flags  = IORESOURCE_MEM,
 758         }
 759 };
 760
 761 static struct platform_device at91sam9260_wdt_device = {
 762         .name           = "at91_wdt",
 763         .id             = -1,
 764         .resource       = wdt_resources,
 765         .num_resources  = ARRAY_SIZE(wdt_resources),
 766 };
 767
 768 static void __init at91_add_device_watchdog(void)
 769 {
 770         platform_device_register(&at91sam9260_wdt_device);
 771 }
 772 #else
 773 static void __init at91_add_device_watchdog(void) {}
 774 #endif
 775
 776
 777 /* --------------------------------------------------------------------
 778  *  SSC -- Synchronous Serial Controller
 779  * -------------------------------------------------------------------- */
 780
 781 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 782 static u64 ssc_dmamask = DMA_BIT_MASK(32);
 783
 784 static struct resource ssc_resources[] = {
 785         [0] = {
 786                 .start  = AT91SAM9260_BASE_SSC,
 787                 .end    = AT91SAM9260_BASE_SSC + SZ_16K - 1,
 788                 .flags  = IORESOURCE_MEM,
 789         },
 790         [1] = {
 791                 .start  = AT91SAM9260_ID_SSC,
 792                 .end    = AT91SAM9260_ID_SSC,
 793                 .flags  = IORESOURCE_IRQ,
 794         },
 795 };
 796
 797 static struct platform_device at91sam9260_ssc_device = {
 798         .name   = "ssc",
 799         .id     = 0,
 800         .dev    = {
 801                 .dma_mask               = &ssc_dmamask,
 802                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 803         },
 804         .resource       = ssc_resources,
 805         .num_resources  = ARRAY_SIZE(ssc_resources),
 806 };
 807
 808 static inline void configure_ssc_pins(unsigned pins)
 809 {
 810         if (pins & ATMEL_SSC_TF)
 811                 at91_set_A_periph(AT91_PIN_PB17, 1);
 812         if (pins & ATMEL_SSC_TK)
 813                 at91_set_A_periph(AT91_PIN_PB16, 1);
 814         if (pins & ATMEL_SSC_TD)
 815                 at91_set_A_periph(AT91_PIN_PB18, 1);
 816         if (pins & ATMEL_SSC_RD)
 817                 at91_set_A_periph(AT91_PIN_PB19, 1);
 818         if (pins & ATMEL_SSC_RK)
 819                 at91_set_A_periph(AT91_PIN_PB20, 1);
 820         if (pins & ATMEL_SSC_RF)
 821                 at91_set_A_periph(AT91_PIN_PB21, 1);
 822 }
 823
 824 /*
 825  * SSC controllers are accessed through library code, instead of any
 826  * kind of all-singing/all-dancing driver.  For example one could be
 827  * used by a particular I2S audio codec's driver, while another one
 828  * on the same system might be used by a custom data capture driver.
 829  */
 830 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 831 {
 832         struct platform_device *pdev;
 833
 834         /*
 835          * NOTE: caller is responsible for passing information matching
 836          * "pins" to whatever will be using each particular controller.
 837          */
 838         switch (id) {
 839         case AT91SAM9260_ID_SSC:
 840                 pdev = &at91sam9260_ssc_device;
 841                 configure_ssc_pins(pins);
 842                 break;
 843         default:
 844                 return;
 845         }
 846
 847         platform_device_register(pdev);
 848 }
 849
 850 #else
 851 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 852 #endif
 853
 854
 855 /* --------------------------------------------------------------------
 856  *  UART
 857  * -------------------------------------------------------------------- */
 858 #if defined(CONFIG_SERIAL_ATMEL)
 859 static struct resource dbgu_resources[] = {
 860         [0] = {
 861                 .start  = AT91SAM9260_BASE_DBGU,
 862                 .end    = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
 863                 .flags  = IORESOURCE_MEM,
 864         },
 865         [1] = {
 866                 .start  = AT91_ID_SYS,
 867                 .end    = AT91_ID_SYS,
 868                 .flags  = IORESOURCE_IRQ,
 869         },
 870 };
 871
 872 static struct atmel_uart_data dbgu_data = {
 873         .use_dma_tx     = 0,
 874         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
 875 };
 876
 877 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
 878
 879 static struct platform_device at91sam9260_dbgu_device = {
 880         .name           = "atmel_usart",
 881         .id             = 0,
 882         .dev            = {
 883                                 .dma_mask               = &dbgu_dmamask,
 884                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 885                                 .platform_data          = &dbgu_data,
 886         },
 887         .resource       = dbgu_resources,
 888         .num_resources  = ARRAY_SIZE(dbgu_resources),
 889 };
 890
 891 static inline void configure_dbgu_pins(void)
 892 {
 893         at91_set_A_periph(AT91_PIN_PB14, 0);            /* DRXD */
 894         at91_set_A_periph(AT91_PIN_PB15, 1);            /* DTXD */
 895 }
 896
 897 static struct resource uart0_resources[] = {
 898         [0] = {
 899                 .start  = AT91SAM9260_BASE_US0,
 900                 .end    = AT91SAM9260_BASE_US0 + SZ_16K - 1,
 901                 .flags  = IORESOURCE_MEM,
 902         },
 903         [1] = {
 904                 .start  = AT91SAM9260_ID_US0,
 905                 .end    = AT91SAM9260_ID_US0,
 906                 .flags  = IORESOURCE_IRQ,
 907         },
 908 };
 909
 910 static struct atmel_uart_data uart0_data = {
 911         .use_dma_tx     = 1,
 912         .use_dma_rx     = 1,
 913 };
 914
 915 static u64 uart0_dmamask = DMA_BIT_MASK(32);
 916
 917 static struct platform_device at91sam9260_uart0_device = {
 918         .name           = "atmel_usart",
 919         .id             = 1,
 920         .dev            = {
 921                                 .dma_mask               = &uart0_dmamask,
 922                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 923                                 .platform_data          = &uart0_data,
 924         },
 925         .resource       = uart0_resources,
 926         .num_resources  = ARRAY_SIZE(uart0_resources),
 927 };
 928
 929 static inline void configure_usart0_pins(unsigned pins)
 930 {
 931         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD0 */
 932         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD0 */
 933
 934         if (pins & ATMEL_UART_RTS)
 935                 at91_set_A_periph(AT91_PIN_PB26, 0);    /* RTS0 */
 936         if (pins & ATMEL_UART_CTS)
 937                 at91_set_A_periph(AT91_PIN_PB27, 0);    /* CTS0 */
 938         if (pins & ATMEL_UART_DTR)
 939                 at91_set_A_periph(AT91_PIN_PB24, 0);    /* DTR0 */
 940         if (pins & ATMEL_UART_DSR)
 941                 at91_set_A_periph(AT91_PIN_PB22, 0);    /* DSR0 */
 942         if (pins & ATMEL_UART_DCD)
 943                 at91_set_A_periph(AT91_PIN_PB23, 0);    /* DCD0 */
 944         if (pins & ATMEL_UART_RI)
 945                 at91_set_A_periph(AT91_PIN_PB25, 0);    /* RI0 */
 946 }
 947
 948 static struct resource uart1_resources[] = {
 949         [0] = {
 950                 .start  = AT91SAM9260_BASE_US1,
 951                 .end    = AT91SAM9260_BASE_US1 + SZ_16K - 1,
 952                 .flags  = IORESOURCE_MEM,
 953         },
 954         [1] = {
 955                 .start  = AT91SAM9260_ID_US1,
 956                 .end    = AT91SAM9260_ID_US1,
 957                 .flags  = IORESOURCE_IRQ,
 958         },
 959 };
 960
 961 static struct atmel_uart_data uart1_data = {
 962         .use_dma_tx     = 1,
 963         .use_dma_rx     = 1,
 964 };
 965
 966 static u64 uart1_dmamask = DMA_BIT_MASK(32);
 967
 968 static struct platform_device at91sam9260_uart1_device = {
 969         .name           = "atmel_usart",
 970         .id             = 2,
 971         .dev            = {
 972                                 .dma_mask               = &uart1_dmamask,
 973                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 974                                 .platform_data          = &uart1_data,
 975         },
 976         .resource       = uart1_resources,
 977         .num_resources  = ARRAY_SIZE(uart1_resources),
 978 };
 979
 980 static inline void configure_usart1_pins(unsigned pins)
 981 {
 982         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD1 */
 983         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD1 */
 984
 985         if (pins & ATMEL_UART_RTS)
 986                 at91_set_A_periph(AT91_PIN_PB28, 0);    /* RTS1 */
 987         if (pins & ATMEL_UART_CTS)
 988                 at91_set_A_periph(AT91_PIN_PB29, 0);    /* CTS1 */
 989 }
 990
 991 static struct resource uart2_resources[] = {
 992         [0] = {
 993                 .start  = AT91SAM9260_BASE_US2,
 994                 .end    = AT91SAM9260_BASE_US2 + SZ_16K - 1,
 995                 .flags  = IORESOURCE_MEM,
 996         },
 997         [1] = {
 998                 .start  = AT91SAM9260_ID_US2,
 999                 .end    = AT91SAM9260_ID_US2,
1000                 .flags  = IORESOURCE_IRQ,
1001         },
1002 };
1003
1004 static struct atmel_uart_data uart2_data = {
1005         .use_dma_tx     = 1,
1006         .use_dma_rx     = 1,
1007 };
1008
1009 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1010
1011 static struct platform_device at91sam9260_uart2_device = {
1012         .name           = "atmel_usart",
1013         .id             = 3,
1014         .dev            = {
1015                                 .dma_mask               = &uart2_dmamask,
1016                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1017                                 .platform_data          = &uart2_data,
1018         },
1019         .resource       = uart2_resources,
1020         .num_resources  = ARRAY_SIZE(uart2_resources),
1021 };
1022
1023 static inline void configure_usart2_pins(unsigned pins)
1024 {
1025         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD2 */
1026         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD2 */
1027
1028         if (pins & ATMEL_UART_RTS)
1029                 at91_set_A_periph(AT91_PIN_PA4, 0);     /* RTS2 */
1030         if (pins & ATMEL_UART_CTS)
1031                 at91_set_A_periph(AT91_PIN_PA5, 0);     /* CTS2 */
1032 }
1033
1034 static struct resource uart3_resources[] = {
1035         [0] = {
1036                 .start  = AT91SAM9260_BASE_US3,
1037                 .end    = AT91SAM9260_BASE_US3 + SZ_16K - 1,
1038                 .flags  = IORESOURCE_MEM,
1039         },
1040         [1] = {
1041                 .start  = AT91SAM9260_ID_US3,
1042                 .end    = AT91SAM9260_ID_US3,
1043                 .flags  = IORESOURCE_IRQ,
1044         },
1045 };
1046
1047 static struct atmel_uart_data uart3_data = {
1048         .use_dma_tx     = 1,
1049         .use_dma_rx     = 1,
1050 };
1051
1052 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1053
1054 static struct platform_device at91sam9260_uart3_device = {
1055         .name           = "atmel_usart",
1056         .id             = 4,
1057         .dev            = {
1058                                 .dma_mask               = &uart3_dmamask,
1059                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1060                                 .platform_data          = &uart3_data,
1061         },
1062         .resource       = uart3_resources,
1063         .num_resources  = ARRAY_SIZE(uart3_resources),
1064 };
1065
1066 static inline void configure_usart3_pins(unsigned pins)
1067 {
1068         at91_set_A_periph(AT91_PIN_PB10, 1);            /* TXD3 */
1069         at91_set_A_periph(AT91_PIN_PB11, 0);            /* RXD3 */
1070
1071         if (pins & ATMEL_UART_RTS)
1072                 at91_set_B_periph(AT91_PIN_PC8, 0);     /* RTS3 */
1073         if (pins & ATMEL_UART_CTS)
1074                 at91_set_B_periph(AT91_PIN_PC10, 0);    /* CTS3 */
1075 }
1076
1077 static struct resource uart4_resources[] = {
1078         [0] = {
1079                 .start  = AT91SAM9260_BASE_US4,
1080                 .end    = AT91SAM9260_BASE_US4 + SZ_16K - 1,
1081                 .flags  = IORESOURCE_MEM,
1082         },
1083         [1] = {
1084                 .start  = AT91SAM9260_ID_US4,
1085                 .end    = AT91SAM9260_ID_US4,
1086                 .flags  = IORESOURCE_IRQ,
1087         },
1088 };
1089
1090 static struct atmel_uart_data uart4_data = {
1091         .use_dma_tx     = 1,
1092         .use_dma_rx     = 1,
1093 };
1094
1095 static u64 uart4_dmamask = DMA_BIT_MASK(32);
1096
1097 static struct platform_device at91sam9260_uart4_device = {
1098         .name           = "atmel_usart",
1099         .id             = 5,
1100         .dev            = {
1101                                 .dma_mask               = &uart4_dmamask,
1102                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1103                                 .platform_data          = &uart4_data,
1104         },
1105         .resource       = uart4_resources,
1106         .num_resources  = ARRAY_SIZE(uart4_resources),
1107 };
1108
1109 static inline void configure_usart4_pins(void)
1110 {
1111         at91_set_B_periph(AT91_PIN_PA31, 1);            /* TXD4 */
1112         at91_set_B_periph(AT91_PIN_PA30, 0);            /* RXD4 */
1113 }
1114
1115 static struct resource uart5_resources[] = {
1116         [0] = {
1117                 .start  = AT91SAM9260_BASE_US5,
1118                 .end    = AT91SAM9260_BASE_US5 + SZ_16K - 1,
1119                 .flags  = IORESOURCE_MEM,
1120         },
1121         [1] = {
1122                 .start  = AT91SAM9260_ID_US5,
1123                 .end    = AT91SAM9260_ID_US5,
1124                 .flags  = IORESOURCE_IRQ,
1125         },
1126 };
1127
1128 static struct atmel_uart_data uart5_data = {
1129         .use_dma_tx     = 1,
1130         .use_dma_rx     = 1,
1131 };
1132
1133 static u64 uart5_dmamask = DMA_BIT_MASK(32);
1134
1135 static struct platform_device at91sam9260_uart5_device = {
1136         .name           = "atmel_usart",
1137         .id             = 6,
1138         .dev            = {
1139                                 .dma_mask               = &uart5_dmamask,
1140                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1141                                 .platform_data          = &uart5_data,
1142         },
1143         .resource       = uart5_resources,
1144         .num_resources  = ARRAY_SIZE(uart5_resources),
1145 };
1146
1147 static inline void configure_usart5_pins(void)
1148 {
1149         at91_set_A_periph(AT91_PIN_PB12, 1);            /* TXD5 */
1150         at91_set_A_periph(AT91_PIN_PB13, 0);            /* RXD5 */
1151 }
1152
1153 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1154 struct platform_device *atmel_default_console_device;   /* the serial console device */
1155
1156 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1157 {
1158         struct platform_device *pdev;
1159         struct atmel_uart_data *pdata;
1160
1161         switch (id) {
1162                 case 0:         /* DBGU */
1163                         pdev = &at91sam9260_dbgu_device;
1164                         configure_dbgu_pins();
1165                         break;
1166                 case AT91SAM9260_ID_US0:
1167                         pdev = &at91sam9260_uart0_device;
1168                         configure_usart0_pins(pins);
1169                         break;
1170                 case AT91SAM9260_ID_US1:
1171                         pdev = &at91sam9260_uart1_device;
1172                         configure_usart1_pins(pins);
1173                         break;
1174                 case AT91SAM9260_ID_US2:
1175                         pdev = &at91sam9260_uart2_device;
1176                         configure_usart2_pins(pins);
1177                         break;
1178                 case AT91SAM9260_ID_US3:
1179                         pdev = &at91sam9260_uart3_device;
1180                         configure_usart3_pins(pins);
1181                         break;
1182                 case AT91SAM9260_ID_US4:
1183                         pdev = &at91sam9260_uart4_device;
1184                         configure_usart4_pins();
1185                         break;
1186                 case AT91SAM9260_ID_US5:
1187                         pdev = &at91sam9260_uart5_device;
1188                         configure_usart5_pins();
1189                         break;
1190                 default:
1191                         return;
1192         }
1193         pdata = pdev->dev.platform_data;
1194         pdata->num = portnr;            /* update to mapped ID */
1195
1196         if (portnr < ATMEL_MAX_UART)
1197                 at91_uarts[portnr] = pdev;
1198 }
1199
1200 void __init at91_set_serial_console(unsigned portnr)
1201 {
1202         if (portnr < ATMEL_MAX_UART) {
1203                 atmel_default_console_device = at91_uarts[portnr];
1204                 at91sam9260_set_console_clock(at91_uarts[portnr]->id);
1205         }
1206 }
1207
1208 void __init at91_add_device_serial(void)
1209 {
1210         int i;
1211
1212         for (i = 0; i < ATMEL_MAX_UART; i++) {
1213                 if (at91_uarts[i])
1214                         platform_device_register(at91_uarts[i]);
1215         }
1216
1217         if (!atmel_default_console_device)
1218                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1219 }
1220 #else
1221 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1222 void __init at91_set_serial_console(unsigned portnr) {}
1223 void __init at91_add_device_serial(void) {}
1224 #endif
1225
1226 /* --------------------------------------------------------------------
1227  *  CF/IDE
1228  * -------------------------------------------------------------------- */
1229
1230 #if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) || \
1231         defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
1232         defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
1233
1234 static struct at91_cf_data cf0_data;
1235
1236 static struct resource cf0_resources[] = {
1237         [0] = {
1238                 .start  = AT91_CHIPSELECT_4,
1239                 .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
1240                 .flags  = IORESOURCE_MEM,
1241         }
1242 };
1243
1244 static struct platform_device cf0_device = {
1245         .id             = 0,
1246         .dev            = {
1247                                 .platform_data  = &cf0_data,
1248         },
1249         .resource       = cf0_resources,
1250         .num_resources  = ARRAY_SIZE(cf0_resources),
1251 };
1252
1253 static struct at91_cf_data cf1_data;
1254
1255 static struct resource cf1_resources[] = {
1256         [0] = {
1257                 .start  = AT91_CHIPSELECT_5,
1258                 .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
1259                 .flags  = IORESOURCE_MEM,
1260         }
1261 };
1262
1263 static struct platform_device cf1_device = {
1264         .id             = 1,
1265         .dev            = {
1266                                 .platform_data  = &cf1_data,
1267         },
1268         .resource       = cf1_resources,
1269         .num_resources  = ARRAY_SIZE(cf1_resources),
1270 };
1271
1272 void __init at91_add_device_cf(struct at91_cf_data *data)
1273 {
1274         struct platform_device *pdev;
1275         unsigned long csa;
1276
1277         if (!data)
1278                 return;
1279
1280         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
1281
1282         switch (data->chipselect) {
1283         case 4:
1284                 at91_set_multi_drive(AT91_PIN_PC8, 0);
1285                 at91_set_A_periph(AT91_PIN_PC8, 0);
1286                 csa |= AT91_MATRIX_CS4A_SMC_CF1;
1287                 cf0_data = *data;
1288                 pdev = &cf0_device;
1289                 break;
1290         case 5:
1291                 at91_set_multi_drive(AT91_PIN_PC9, 0);
1292                 at91_set_A_periph(AT91_PIN_PC9, 0);
1293                 csa |= AT91_MATRIX_CS5A_SMC_CF2;
1294                 cf1_data = *data;
1295                 pdev = &cf1_device;
1296                 break;
1297         default:
1298                 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
1299                        data->chipselect);
1300                 return;
1301         }
1302
1303         at91_matrix_write(AT91_MATRIX_EBICSA, csa);
1304
1305         if (gpio_is_valid(data->rst_pin)) {
1306                 at91_set_multi_drive(data->rst_pin, 0);
1307                 at91_set_gpio_output(data->rst_pin, 1);
1308         }
1309
1310         if (gpio_is_valid(data->irq_pin)) {
1311                 at91_set_gpio_input(data->irq_pin, 0);
1312                 at91_set_deglitch(data->irq_pin, 1);
1313         }
1314
1315         if (gpio_is_valid(data->det_pin)) {
1316                 at91_set_gpio_input(data->det_pin, 0);
1317                 at91_set_deglitch(data->det_pin, 1);
1318         }
1319
1320         at91_set_B_periph(AT91_PIN_PC6, 0);     /* CFCE1 */
1321         at91_set_B_periph(AT91_PIN_PC7, 0);     /* CFCE2 */
1322         at91_set_A_periph(AT91_PIN_PC10, 0);    /* CFRNW */
1323         at91_set_A_periph(AT91_PIN_PC15, 1);    /* NWAIT */
1324
1325         if (data->flags & AT91_CF_TRUE_IDE)
1326 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
1327                 pdev->name = "pata_at91";
1328 #elif defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
1329                 pdev->name = "at91_ide";
1330 #else
1331 #warning "board requires AT91_CF_TRUE_IDE: enable either at91_ide or pata_at91"
1332 #endif
1333         else
1334                 pdev->name = "at91_cf";
1335
1336         platform_device_register(pdev);
1337 }
1338
1339 #else
1340 void __init at91_add_device_cf(struct at91_cf_data * data) {}
1341 #endif
1342
1343 /* -------------------------------------------------------------------- */
1344 /*
1345  * These devices are always present and don't need any board-specific
1346  * setup.
1347  */
1348 static int __init at91_add_standard_devices(void)
1349 {
1350         at91_add_device_rtt();
1351         at91_add_device_watchdog();
1352         at91_add_device_tc();
1353         return 0;
1354 }
1355
1356 arch_initcall(at91_add_standard_devices);