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 #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
  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 (!gpio_is_valid(cs_pin))
 602                         continue;
 603
 604                 if (devices[i].bus_num == 0)
 605                         enable_spi0 = 1;
 606                 else
 607                         enable_spi1 = 1;
 608
 609                 /* enable chip-select pin */
 610                 at91_set_gpio_output(cs_pin, 1);
 611
 612                 /* pass chip-select pin to driver */
 613                 devices[i].controller_data = (void *) cs_pin;
 614         }
 615
 616         spi_register_board_info(devices, nr_devices);
 617
 618         /* Configure SPI bus(es) */
 619         if (enable_spi0) {
 620                 at91_set_A_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 621                 at91_set_A_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 622                 at91_set_A_periph(AT91_PIN_PA2, 0);     /* SPI1_SPCK */
 623
 624                 platform_device_register(&at91sam9260_spi0_device);
 625         }
 626         if (enable_spi1) {
 627                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI1_MISO */
 628                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI1_MOSI */
 629                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI1_SPCK */
 630
 631                 platform_device_register(&at91sam9260_spi1_device);
 632         }
 633 }
 634 #else
 635 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 636 #endif
 637
 638
 639 /* --------------------------------------------------------------------
 640  *  Timer/Counter blocks
 641  * -------------------------------------------------------------------- */
 642
 643 #ifdef CONFIG_ATMEL_TCLIB
 644
 645 static struct resource tcb0_resources[] = {
 646         [0] = {
 647                 .start  = AT91SAM9260_BASE_TCB0,
 648                 .end    = AT91SAM9260_BASE_TCB0 + SZ_256 - 1,
 649                 .flags  = IORESOURCE_MEM,
 650         },
 651         [1] = {
 652                 .start  = AT91SAM9260_ID_TC0,
 653                 .end    = AT91SAM9260_ID_TC0,
 654                 .flags  = IORESOURCE_IRQ,
 655         },
 656         [2] = {
 657                 .start  = AT91SAM9260_ID_TC1,
 658                 .end    = AT91SAM9260_ID_TC1,
 659                 .flags  = IORESOURCE_IRQ,
 660         },
 661         [3] = {
 662                 .start  = AT91SAM9260_ID_TC2,
 663                 .end    = AT91SAM9260_ID_TC2,
 664                 .flags  = IORESOURCE_IRQ,
 665         },
 666 };
 667
 668 static struct platform_device at91sam9260_tcb0_device = {
 669         .name           = "atmel_tcb",
 670         .id             = 0,
 671         .resource       = tcb0_resources,
 672         .num_resources  = ARRAY_SIZE(tcb0_resources),
 673 };
 674
 675 static struct resource tcb1_resources[] = {
 676         [0] = {
 677                 .start  = AT91SAM9260_BASE_TCB1,
 678                 .end    = AT91SAM9260_BASE_TCB1 + SZ_256 - 1,
 679                 .flags  = IORESOURCE_MEM,
 680         },
 681         [1] = {
 682                 .start  = AT91SAM9260_ID_TC3,
 683                 .end    = AT91SAM9260_ID_TC3,
 684                 .flags  = IORESOURCE_IRQ,
 685         },
 686         [2] = {
 687                 .start  = AT91SAM9260_ID_TC4,
 688                 .end    = AT91SAM9260_ID_TC4,
 689                 .flags  = IORESOURCE_IRQ,
 690         },
 691         [3] = {
 692                 .start  = AT91SAM9260_ID_TC5,
 693                 .end    = AT91SAM9260_ID_TC5,
 694                 .flags  = IORESOURCE_IRQ,
 695         },
 696 };
 697
 698 static struct platform_device at91sam9260_tcb1_device = {
 699         .name           = "atmel_tcb",
 700         .id             = 1,
 701         .resource       = tcb1_resources,
 702         .num_resources  = ARRAY_SIZE(tcb1_resources),
 703 };
 704
 705 #if defined(CONFIG_OF)
 706 static struct of_device_id tcb_ids[] = {
 707         { .compatible = "atmel,at91rm9200-tcb" },
 708         { /*sentinel*/ }
 709 };
 710 #endif
 711
 712 static void __init at91_add_device_tc(void)
 713 {
 714 #if defined(CONFIG_OF)
 715         struct device_node *np;
 716
 717         np = of_find_matching_node(NULL, tcb_ids);
 718         if (np) {
 719                 of_node_put(np);
 720                 return;
 721         }
 722 #endif
 723
 724         platform_device_register(&at91sam9260_tcb0_device);
 725         platform_device_register(&at91sam9260_tcb1_device);
 726 }
 727 #else
 728 static void __init at91_add_device_tc(void) { }
 729 #endif
 730
 731
 732 /* --------------------------------------------------------------------
 733  *  RTT
 734  * -------------------------------------------------------------------- */
 735
 736 static struct resource rtt_resources[] = {
 737         {
 738                 .start  = AT91SAM9260_BASE_RTT,
 739                 .end    = AT91SAM9260_BASE_RTT + SZ_16 - 1,
 740                 .flags  = IORESOURCE_MEM,
 741         }, {
 742                 .flags  = IORESOURCE_MEM,
 743         },
 744 };
 745
 746 static struct platform_device at91sam9260_rtt_device = {
 747         .name           = "at91_rtt",
 748         .id             = 0,
 749         .resource       = rtt_resources,
 750 };
 751
 752
 753 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
 754 static void __init at91_add_device_rtt_rtc(void)
 755 {
 756         at91sam9260_rtt_device.name = "rtc-at91sam9";
 757         /*
 758          * The second resource is needed:
 759          * GPBR will serve as the storage for RTC time offset
 760          */
 761         at91sam9260_rtt_device.num_resources = 2;
 762         rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
 763                                  4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
 764         rtt_resources[1].end = rtt_resources[1].start + 3;
 765 }
 766 #else
 767 static void __init at91_add_device_rtt_rtc(void)
 768 {
 769         /* Only one resource is needed: RTT not used as RTC */
 770         at91sam9260_rtt_device.num_resources = 1;
 771 }
 772 #endif
 773
 774 static void __init at91_add_device_rtt(void)
 775 {
 776         at91_add_device_rtt_rtc();
 777         platform_device_register(&at91sam9260_rtt_device);
 778 }
 779
 780
 781 /* --------------------------------------------------------------------
 782  *  Watchdog
 783  * -------------------------------------------------------------------- */
 784
 785 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
 786 static struct resource wdt_resources[] = {
 787         {
 788                 .start  = AT91SAM9260_BASE_WDT,
 789                 .end    = AT91SAM9260_BASE_WDT + SZ_16 - 1,
 790                 .flags  = IORESOURCE_MEM,
 791         }
 792 };
 793
 794 static struct platform_device at91sam9260_wdt_device = {
 795         .name           = "at91_wdt",
 796         .id             = -1,
 797         .resource       = wdt_resources,
 798         .num_resources  = ARRAY_SIZE(wdt_resources),
 799 };
 800
 801 static void __init at91_add_device_watchdog(void)
 802 {
 803         platform_device_register(&at91sam9260_wdt_device);
 804 }
 805 #else
 806 static void __init at91_add_device_watchdog(void) {}
 807 #endif
 808
 809
 810 /* --------------------------------------------------------------------
 811  *  SSC -- Synchronous Serial Controller
 812  * -------------------------------------------------------------------- */
 813
 814 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 815 static u64 ssc_dmamask = DMA_BIT_MASK(32);
 816
 817 static struct resource ssc_resources[] = {
 818         [0] = {
 819                 .start  = AT91SAM9260_BASE_SSC,
 820                 .end    = AT91SAM9260_BASE_SSC + SZ_16K - 1,
 821                 .flags  = IORESOURCE_MEM,
 822         },
 823         [1] = {
 824                 .start  = AT91SAM9260_ID_SSC,
 825                 .end    = AT91SAM9260_ID_SSC,
 826                 .flags  = IORESOURCE_IRQ,
 827         },
 828 };
 829
 830 static struct platform_device at91sam9260_ssc_device = {
 831         .name   = "ssc",
 832         .id     = 0,
 833         .dev    = {
 834                 .dma_mask               = &ssc_dmamask,
 835                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 836         },
 837         .resource       = ssc_resources,
 838         .num_resources  = ARRAY_SIZE(ssc_resources),
 839 };
 840
 841 static inline void configure_ssc_pins(unsigned pins)
 842 {
 843         if (pins & ATMEL_SSC_TF)
 844                 at91_set_A_periph(AT91_PIN_PB17, 1);
 845         if (pins & ATMEL_SSC_TK)
 846                 at91_set_A_periph(AT91_PIN_PB16, 1);
 847         if (pins & ATMEL_SSC_TD)
 848                 at91_set_A_periph(AT91_PIN_PB18, 1);
 849         if (pins & ATMEL_SSC_RD)
 850                 at91_set_A_periph(AT91_PIN_PB19, 1);
 851         if (pins & ATMEL_SSC_RK)
 852                 at91_set_A_periph(AT91_PIN_PB20, 1);
 853         if (pins & ATMEL_SSC_RF)
 854                 at91_set_A_periph(AT91_PIN_PB21, 1);
 855 }
 856
 857 /*
 858  * SSC controllers are accessed through library code, instead of any
 859  * kind of all-singing/all-dancing driver.  For example one could be
 860  * used by a particular I2S audio codec's driver, while another one
 861  * on the same system might be used by a custom data capture driver.
 862  */
 863 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 864 {
 865         struct platform_device *pdev;
 866
 867         /*
 868          * NOTE: caller is responsible for passing information matching
 869          * "pins" to whatever will be using each particular controller.
 870          */
 871         switch (id) {
 872         case AT91SAM9260_ID_SSC:
 873                 pdev = &at91sam9260_ssc_device;
 874                 configure_ssc_pins(pins);
 875                 break;
 876         default:
 877                 return;
 878         }
 879
 880         platform_device_register(pdev);
 881 }
 882
 883 #else
 884 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 885 #endif
 886
 887
 888 /* --------------------------------------------------------------------
 889  *  UART
 890  * -------------------------------------------------------------------- */
 891 #if defined(CONFIG_SERIAL_ATMEL)
 892 static struct resource dbgu_resources[] = {
 893         [0] = {
 894                 .start  = AT91SAM9260_BASE_DBGU,
 895                 .end    = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
 896                 .flags  = IORESOURCE_MEM,
 897         },
 898         [1] = {
 899                 .start  = AT91_ID_SYS,
 900                 .end    = AT91_ID_SYS,
 901                 .flags  = IORESOURCE_IRQ,
 902         },
 903 };
 904
 905 static struct atmel_uart_data dbgu_data = {
 906         .use_dma_tx     = 0,
 907         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
 908 };
 909
 910 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
 911
 912 static struct platform_device at91sam9260_dbgu_device = {
 913         .name           = "atmel_usart",
 914         .id             = 0,
 915         .dev            = {
 916                                 .dma_mask               = &dbgu_dmamask,
 917                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 918                                 .platform_data          = &dbgu_data,
 919         },
 920         .resource       = dbgu_resources,
 921         .num_resources  = ARRAY_SIZE(dbgu_resources),
 922 };
 923
 924 static inline void configure_dbgu_pins(void)
 925 {
 926         at91_set_A_periph(AT91_PIN_PB14, 0);            /* DRXD */
 927         at91_set_A_periph(AT91_PIN_PB15, 1);            /* DTXD */
 928 }
 929
 930 static struct resource uart0_resources[] = {
 931         [0] = {
 932                 .start  = AT91SAM9260_BASE_US0,
 933                 .end    = AT91SAM9260_BASE_US0 + SZ_16K - 1,
 934                 .flags  = IORESOURCE_MEM,
 935         },
 936         [1] = {
 937                 .start  = AT91SAM9260_ID_US0,
 938                 .end    = AT91SAM9260_ID_US0,
 939                 .flags  = IORESOURCE_IRQ,
 940         },
 941 };
 942
 943 static struct atmel_uart_data uart0_data = {
 944         .use_dma_tx     = 1,
 945         .use_dma_rx     = 1,
 946 };
 947
 948 static u64 uart0_dmamask = DMA_BIT_MASK(32);
 949
 950 static struct platform_device at91sam9260_uart0_device = {
 951         .name           = "atmel_usart",
 952         .id             = 1,
 953         .dev            = {
 954                                 .dma_mask               = &uart0_dmamask,
 955                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 956                                 .platform_data          = &uart0_data,
 957         },
 958         .resource       = uart0_resources,
 959         .num_resources  = ARRAY_SIZE(uart0_resources),
 960 };
 961
 962 static inline void configure_usart0_pins(unsigned pins)
 963 {
 964         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD0 */
 965         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD0 */
 966
 967         if (pins & ATMEL_UART_RTS)
 968                 at91_set_A_periph(AT91_PIN_PB26, 0);    /* RTS0 */
 969         if (pins & ATMEL_UART_CTS)
 970                 at91_set_A_periph(AT91_PIN_PB27, 0);    /* CTS0 */
 971         if (pins & ATMEL_UART_DTR)
 972                 at91_set_A_periph(AT91_PIN_PB24, 0);    /* DTR0 */
 973         if (pins & ATMEL_UART_DSR)
 974                 at91_set_A_periph(AT91_PIN_PB22, 0);    /* DSR0 */
 975         if (pins & ATMEL_UART_DCD)
 976                 at91_set_A_periph(AT91_PIN_PB23, 0);    /* DCD0 */
 977         if (pins & ATMEL_UART_RI)
 978                 at91_set_A_periph(AT91_PIN_PB25, 0);    /* RI0 */
 979 }
 980
 981 static struct resource uart1_resources[] = {
 982         [0] = {
 983                 .start  = AT91SAM9260_BASE_US1,
 984                 .end    = AT91SAM9260_BASE_US1 + SZ_16K - 1,
 985                 .flags  = IORESOURCE_MEM,
 986         },
 987         [1] = {
 988                 .start  = AT91SAM9260_ID_US1,
 989                 .end    = AT91SAM9260_ID_US1,
 990                 .flags  = IORESOURCE_IRQ,
 991         },
 992 };
 993
 994 static struct atmel_uart_data uart1_data = {
 995         .use_dma_tx     = 1,
 996         .use_dma_rx     = 1,
 997 };
 998
 999 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1000
1001 static struct platform_device at91sam9260_uart1_device = {
1002         .name           = "atmel_usart",
1003         .id             = 2,
1004         .dev            = {
1005                                 .dma_mask               = &uart1_dmamask,
1006                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1007                                 .platform_data          = &uart1_data,
1008         },
1009         .resource       = uart1_resources,
1010         .num_resources  = ARRAY_SIZE(uart1_resources),
1011 };
1012
1013 static inline void configure_usart1_pins(unsigned pins)
1014 {
1015         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD1 */
1016         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD1 */
1017
1018         if (pins & ATMEL_UART_RTS)
1019                 at91_set_A_periph(AT91_PIN_PB28, 0);    /* RTS1 */
1020         if (pins & ATMEL_UART_CTS)
1021                 at91_set_A_periph(AT91_PIN_PB29, 0);    /* CTS1 */
1022 }
1023
1024 static struct resource uart2_resources[] = {
1025         [0] = {
1026                 .start  = AT91SAM9260_BASE_US2,
1027                 .end    = AT91SAM9260_BASE_US2 + SZ_16K - 1,
1028                 .flags  = IORESOURCE_MEM,
1029         },
1030         [1] = {
1031                 .start  = AT91SAM9260_ID_US2,
1032                 .end    = AT91SAM9260_ID_US2,
1033                 .flags  = IORESOURCE_IRQ,
1034         },
1035 };
1036
1037 static struct atmel_uart_data uart2_data = {
1038         .use_dma_tx     = 1,
1039         .use_dma_rx     = 1,
1040 };
1041
1042 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1043
1044 static struct platform_device at91sam9260_uart2_device = {
1045         .name           = "atmel_usart",
1046         .id             = 3,
1047         .dev            = {
1048                                 .dma_mask               = &uart2_dmamask,
1049                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1050                                 .platform_data          = &uart2_data,
1051         },
1052         .resource       = uart2_resources,
1053         .num_resources  = ARRAY_SIZE(uart2_resources),
1054 };
1055
1056 static inline void configure_usart2_pins(unsigned pins)
1057 {
1058         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD2 */
1059         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD2 */
1060
1061         if (pins & ATMEL_UART_RTS)
1062                 at91_set_A_periph(AT91_PIN_PA4, 0);     /* RTS2 */
1063         if (pins & ATMEL_UART_CTS)
1064                 at91_set_A_periph(AT91_PIN_PA5, 0);     /* CTS2 */
1065 }
1066
1067 static struct resource uart3_resources[] = {
1068         [0] = {
1069                 .start  = AT91SAM9260_BASE_US3,
1070                 .end    = AT91SAM9260_BASE_US3 + SZ_16K - 1,
1071                 .flags  = IORESOURCE_MEM,
1072         },
1073         [1] = {
1074                 .start  = AT91SAM9260_ID_US3,
1075                 .end    = AT91SAM9260_ID_US3,
1076                 .flags  = IORESOURCE_IRQ,
1077         },
1078 };
1079
1080 static struct atmel_uart_data uart3_data = {
1081         .use_dma_tx     = 1,
1082         .use_dma_rx     = 1,
1083 };
1084
1085 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1086
1087 static struct platform_device at91sam9260_uart3_device = {
1088         .name           = "atmel_usart",
1089         .id             = 4,
1090         .dev            = {
1091                                 .dma_mask               = &uart3_dmamask,
1092                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1093                                 .platform_data          = &uart3_data,
1094         },
1095         .resource       = uart3_resources,
1096         .num_resources  = ARRAY_SIZE(uart3_resources),
1097 };
1098
1099 static inline void configure_usart3_pins(unsigned pins)
1100 {
1101         at91_set_A_periph(AT91_PIN_PB10, 1);            /* TXD3 */
1102         at91_set_A_periph(AT91_PIN_PB11, 0);            /* RXD3 */
1103
1104         if (pins & ATMEL_UART_RTS)
1105                 at91_set_B_periph(AT91_PIN_PC8, 0);     /* RTS3 */
1106         if (pins & ATMEL_UART_CTS)
1107                 at91_set_B_periph(AT91_PIN_PC10, 0);    /* CTS3 */
1108 }
1109
1110 static struct resource uart4_resources[] = {
1111         [0] = {
1112                 .start  = AT91SAM9260_BASE_US4,
1113                 .end    = AT91SAM9260_BASE_US4 + SZ_16K - 1,
1114                 .flags  = IORESOURCE_MEM,
1115         },
1116         [1] = {
1117                 .start  = AT91SAM9260_ID_US4,
1118                 .end    = AT91SAM9260_ID_US4,
1119                 .flags  = IORESOURCE_IRQ,
1120         },
1121 };
1122
1123 static struct atmel_uart_data uart4_data = {
1124         .use_dma_tx     = 1,
1125         .use_dma_rx     = 1,
1126 };
1127
1128 static u64 uart4_dmamask = DMA_BIT_MASK(32);
1129
1130 static struct platform_device at91sam9260_uart4_device = {
1131         .name           = "atmel_usart",
1132         .id             = 5,
1133         .dev            = {
1134                                 .dma_mask               = &uart4_dmamask,
1135                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1136                                 .platform_data          = &uart4_data,
1137         },
1138         .resource       = uart4_resources,
1139         .num_resources  = ARRAY_SIZE(uart4_resources),
1140 };
1141
1142 static inline void configure_usart4_pins(void)
1143 {
1144         at91_set_B_periph(AT91_PIN_PA31, 1);            /* TXD4 */
1145         at91_set_B_periph(AT91_PIN_PA30, 0);            /* RXD4 */
1146 }
1147
1148 static struct resource uart5_resources[] = {
1149         [0] = {
1150                 .start  = AT91SAM9260_BASE_US5,
1151                 .end    = AT91SAM9260_BASE_US5 + SZ_16K - 1,
1152                 .flags  = IORESOURCE_MEM,
1153         },
1154         [1] = {
1155                 .start  = AT91SAM9260_ID_US5,
1156                 .end    = AT91SAM9260_ID_US5,
1157                 .flags  = IORESOURCE_IRQ,
1158         },
1159 };
1160
1161 static struct atmel_uart_data uart5_data = {
1162         .use_dma_tx     = 1,
1163         .use_dma_rx     = 1,
1164 };
1165
1166 static u64 uart5_dmamask = DMA_BIT_MASK(32);
1167
1168 static struct platform_device at91sam9260_uart5_device = {
1169         .name           = "atmel_usart",
1170         .id             = 6,
1171         .dev            = {
1172                                 .dma_mask               = &uart5_dmamask,
1173                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1174                                 .platform_data          = &uart5_data,
1175         },
1176         .resource       = uart5_resources,
1177         .num_resources  = ARRAY_SIZE(uart5_resources),
1178 };
1179
1180 static inline void configure_usart5_pins(void)
1181 {
1182         at91_set_A_periph(AT91_PIN_PB12, 1);            /* TXD5 */
1183         at91_set_A_periph(AT91_PIN_PB13, 0);            /* RXD5 */
1184 }
1185
1186 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1187
1188 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1189 {
1190         struct platform_device *pdev;
1191         struct atmel_uart_data *pdata;
1192
1193         switch (id) {
1194                 case 0:         /* DBGU */
1195                         pdev = &at91sam9260_dbgu_device;
1196                         configure_dbgu_pins();
1197                         break;
1198                 case AT91SAM9260_ID_US0:
1199                         pdev = &at91sam9260_uart0_device;
1200                         configure_usart0_pins(pins);
1201                         break;
1202                 case AT91SAM9260_ID_US1:
1203                         pdev = &at91sam9260_uart1_device;
1204                         configure_usart1_pins(pins);
1205                         break;
1206                 case AT91SAM9260_ID_US2:
1207                         pdev = &at91sam9260_uart2_device;
1208                         configure_usart2_pins(pins);
1209                         break;
1210                 case AT91SAM9260_ID_US3:
1211                         pdev = &at91sam9260_uart3_device;
1212                         configure_usart3_pins(pins);
1213                         break;
1214                 case AT91SAM9260_ID_US4:
1215                         pdev = &at91sam9260_uart4_device;
1216                         configure_usart4_pins();
1217                         break;
1218                 case AT91SAM9260_ID_US5:
1219                         pdev = &at91sam9260_uart5_device;
1220                         configure_usart5_pins();
1221                         break;
1222                 default:
1223                         return;
1224         }
1225         pdata = pdev->dev.platform_data;
1226         pdata->num = portnr;            /* update to mapped ID */
1227
1228         if (portnr < ATMEL_MAX_UART)
1229                 at91_uarts[portnr] = pdev;
1230 }
1231
1232 void __init at91_add_device_serial(void)
1233 {
1234         int i;
1235
1236         for (i = 0; i < ATMEL_MAX_UART; i++) {
1237                 if (at91_uarts[i])
1238                         platform_device_register(at91_uarts[i]);
1239         }
1240 }
1241 #else
1242 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1243 void __init at91_add_device_serial(void) {}
1244 #endif
1245
1246 /* --------------------------------------------------------------------
1247  *  CF/IDE
1248  * -------------------------------------------------------------------- */
1249
1250 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
1251         defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
1252
1253 static struct at91_cf_data cf0_data;
1254
1255 static struct resource cf0_resources[] = {
1256         [0] = {
1257                 .start  = AT91_CHIPSELECT_4,
1258                 .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
1259                 .flags  = IORESOURCE_MEM,
1260         }
1261 };
1262
1263 static struct platform_device cf0_device = {
1264         .id             = 0,
1265         .dev            = {
1266                                 .platform_data  = &cf0_data,
1267         },
1268         .resource       = cf0_resources,
1269         .num_resources  = ARRAY_SIZE(cf0_resources),
1270 };
1271
1272 static struct at91_cf_data cf1_data;
1273
1274 static struct resource cf1_resources[] = {
1275         [0] = {
1276                 .start  = AT91_CHIPSELECT_5,
1277                 .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
1278                 .flags  = IORESOURCE_MEM,
1279         }
1280 };
1281
1282 static struct platform_device cf1_device = {
1283         .id             = 1,
1284         .dev            = {
1285                                 .platform_data  = &cf1_data,
1286         },
1287         .resource       = cf1_resources,
1288         .num_resources  = ARRAY_SIZE(cf1_resources),
1289 };
1290
1291 void __init at91_add_device_cf(struct at91_cf_data *data)
1292 {
1293         struct platform_device *pdev;
1294         unsigned long csa;
1295
1296         if (!data)
1297                 return;
1298
1299         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
1300
1301         switch (data->chipselect) {
1302         case 4:
1303                 at91_set_multi_drive(AT91_PIN_PC8, 0);
1304                 at91_set_A_periph(AT91_PIN_PC8, 0);
1305                 csa |= AT91_MATRIX_CS4A_SMC_CF1;
1306                 cf0_data = *data;
1307                 pdev = &cf0_device;
1308                 break;
1309         case 5:
1310                 at91_set_multi_drive(AT91_PIN_PC9, 0);
1311                 at91_set_A_periph(AT91_PIN_PC9, 0);
1312                 csa |= AT91_MATRIX_CS5A_SMC_CF2;
1313                 cf1_data = *data;
1314                 pdev = &cf1_device;
1315                 break;
1316         default:
1317                 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
1318                        data->chipselect);
1319                 return;
1320         }
1321
1322         at91_matrix_write(AT91_MATRIX_EBICSA, csa);
1323
1324         if (gpio_is_valid(data->rst_pin)) {
1325                 at91_set_multi_drive(data->rst_pin, 0);
1326                 at91_set_gpio_output(data->rst_pin, 1);
1327         }
1328
1329         if (gpio_is_valid(data->irq_pin)) {
1330                 at91_set_gpio_input(data->irq_pin, 0);
1331                 at91_set_deglitch(data->irq_pin, 1);
1332         }
1333
1334         if (gpio_is_valid(data->det_pin)) {
1335                 at91_set_gpio_input(data->det_pin, 0);
1336                 at91_set_deglitch(data->det_pin, 1);
1337         }
1338
1339         at91_set_B_periph(AT91_PIN_PC6, 0);     /* CFCE1 */
1340         at91_set_B_periph(AT91_PIN_PC7, 0);     /* CFCE2 */
1341         at91_set_A_periph(AT91_PIN_PC10, 0);    /* CFRNW */
1342         at91_set_A_periph(AT91_PIN_PC15, 1);    /* NWAIT */
1343
1344         if (data->flags & AT91_CF_TRUE_IDE)
1345 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
1346                 pdev->name = "pata_at91";
1347 #else
1348 #warning "board requires AT91_CF_TRUE_IDE: enable pata_at91"
1349 #endif
1350         else
1351                 pdev->name = "at91_cf";
1352
1353         platform_device_register(pdev);
1354 }
1355
1356 #else
1357 void __init at91_add_device_cf(struct at91_cf_data * data) {}
1358 #endif
1359
1360 /* -------------------------------------------------------------------- */
1361 /*
1362  * These devices are always present and don't need any board-specific
1363  * setup.
1364  */
1365 static int __init at91_add_standard_devices(void)
1366 {
1367         at91_add_device_rtt();
1368         at91_add_device_watchdog();
1369         at91_add_device_tc();
1370         return 0;
1371 }
1372
1373 arch_initcall(at91_add_standard_devices);