arch/arm/mach-at91/at91sam9263_devices.c

   1 /*
   2  * arch/arm/mach-at91/at91sam9263_devices.c
   3  *
   4  *  Copyright (C) 2007 Atmel Corporation.
   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 <linux/fb.h>
  21 #include <video/atmel_lcdc.h>
  22
  23 #include <mach/board.h>
  24 #include <mach/at91sam9263.h>
  25 #include <mach/at91sam9263_matrix.h>
  26 #include <mach/at91sam9_smc.h>
  27
  28 #include "generic.h"
  29
  30
  31 /* --------------------------------------------------------------------
  32  *  USB Host
  33  * -------------------------------------------------------------------- */
  34
  35 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  36 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  37 static struct at91_usbh_data usbh_data;
  38
  39 static struct resource usbh_resources[] = {
  40         [0] = {
  41                 .start  = AT91SAM9263_UHP_BASE,
  42                 .end    = AT91SAM9263_UHP_BASE + SZ_1M - 1,
  43                 .flags  = IORESOURCE_MEM,
  44         },
  45         [1] = {
  46                 .start  = AT91SAM9263_ID_UHP,
  47                 .end    = AT91SAM9263_ID_UHP,
  48                 .flags  = IORESOURCE_IRQ,
  49         },
  50 };
  51
  52 static struct platform_device at91_usbh_device = {
  53         .name           = "at91_ohci",
  54         .id             = -1,
  55         .dev            = {
  56                                 .dma_mask               = &ohci_dmamask,
  57                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  58                                 .platform_data          = &usbh_data,
  59         },
  60         .resource       = usbh_resources,
  61         .num_resources  = ARRAY_SIZE(usbh_resources),
  62 };
  63
  64 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  65 {
  66         int i;
  67
  68         if (!data)
  69                 return;
  70
  71         /* Enable VBus control for UHP ports */
  72         for (i = 0; i < data->ports; i++) {
  73                 if (data->vbus_pin[i])
  74                         at91_set_gpio_output(data->vbus_pin[i], 0);
  75         }
  76
  77         /* Enable overcurrent notification */
  78         for (i = 0; i < data->ports; i++) {
  79                 if (data->overcurrent_pin[i])
  80                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
  81         }
  82
  83         usbh_data = *data;
  84         platform_device_register(&at91_usbh_device);
  85 }
  86 #else
  87 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  88 #endif
  89
  90
  91 /* --------------------------------------------------------------------
  92  *  USB Device (Gadget)
  93  * -------------------------------------------------------------------- */
  94
  95 #ifdef CONFIG_USB_GADGET_AT91
  96 static struct at91_udc_data udc_data;
  97
  98 static struct resource udc_resources[] = {
  99         [0] = {
 100                 .start  = AT91SAM9263_BASE_UDP,
 101                 .end    = AT91SAM9263_BASE_UDP + SZ_16K - 1,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .start  = AT91SAM9263_ID_UDP,
 106                 .end    = AT91SAM9263_ID_UDP,
 107                 .flags  = IORESOURCE_IRQ,
 108         },
 109 };
 110
 111 static struct platform_device at91_udc_device = {
 112         .name           = "at91_udc",
 113         .id             = -1,
 114         .dev            = {
 115                                 .platform_data          = &udc_data,
 116         },
 117         .resource       = udc_resources,
 118         .num_resources  = ARRAY_SIZE(udc_resources),
 119 };
 120
 121 void __init at91_add_device_udc(struct at91_udc_data *data)
 122 {
 123         if (!data)
 124                 return;
 125
 126         if (data->vbus_pin) {
 127                 at91_set_gpio_input(data->vbus_pin, 0);
 128                 at91_set_deglitch(data->vbus_pin, 1);
 129         }
 130
 131         /* Pullup pin is handled internally by USB device peripheral */
 132
 133         udc_data = *data;
 134         platform_device_register(&at91_udc_device);
 135 }
 136 #else
 137 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 138 #endif
 139
 140
 141 /* --------------------------------------------------------------------
 142  *  Ethernet
 143  * -------------------------------------------------------------------- */
 144
 145 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 146 static u64 eth_dmamask = DMA_BIT_MASK(32);
 147 static struct at91_eth_data eth_data;
 148
 149 static struct resource eth_resources[] = {
 150         [0] = {
 151                 .start  = AT91SAM9263_BASE_EMAC,
 152                 .end    = AT91SAM9263_BASE_EMAC + SZ_16K - 1,
 153                 .flags  = IORESOURCE_MEM,
 154         },
 155         [1] = {
 156                 .start  = AT91SAM9263_ID_EMAC,
 157                 .end    = AT91SAM9263_ID_EMAC,
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct platform_device at91sam9263_eth_device = {
 163         .name           = "macb",
 164         .id             = -1,
 165         .dev            = {
 166                                 .dma_mask               = &eth_dmamask,
 167                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 168                                 .platform_data          = &eth_data,
 169         },
 170         .resource       = eth_resources,
 171         .num_resources  = ARRAY_SIZE(eth_resources),
 172 };
 173
 174 void __init at91_add_device_eth(struct at91_eth_data *data)
 175 {
 176         if (!data)
 177                 return;
 178
 179         if (data->phy_irq_pin) {
 180                 at91_set_gpio_input(data->phy_irq_pin, 0);
 181                 at91_set_deglitch(data->phy_irq_pin, 1);
 182         }
 183
 184         /* Pins used for MII and RMII */
 185         at91_set_A_periph(AT91_PIN_PE21, 0);    /* ETXCK_EREFCK */
 186         at91_set_B_periph(AT91_PIN_PC25, 0);    /* ERXDV */
 187         at91_set_A_periph(AT91_PIN_PE25, 0);    /* ERX0 */
 188         at91_set_A_periph(AT91_PIN_PE26, 0);    /* ERX1 */
 189         at91_set_A_periph(AT91_PIN_PE27, 0);    /* ERXER */
 190         at91_set_A_periph(AT91_PIN_PE28, 0);    /* ETXEN */
 191         at91_set_A_periph(AT91_PIN_PE23, 0);    /* ETX0 */
 192         at91_set_A_periph(AT91_PIN_PE24, 0);    /* ETX1 */
 193         at91_set_A_periph(AT91_PIN_PE30, 0);    /* EMDIO */
 194         at91_set_A_periph(AT91_PIN_PE29, 0);    /* EMDC */
 195
 196         if (!data->is_rmii) {
 197                 at91_set_A_periph(AT91_PIN_PE22, 0);    /* ECRS */
 198                 at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
 199                 at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
 200                 at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
 201                 at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
 202                 at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
 203                 at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
 204                 at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
 205         }
 206
 207         eth_data = *data;
 208         platform_device_register(&at91sam9263_eth_device);
 209 }
 210 #else
 211 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 212 #endif
 213
 214
 215 /* --------------------------------------------------------------------
 216  *  MMC / SD
 217  * -------------------------------------------------------------------- */
 218
 219 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 220 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 221 static struct at91_mmc_data mmc0_data, mmc1_data;
 222
 223 static struct resource mmc0_resources[] = {
 224         [0] = {
 225                 .start  = AT91SAM9263_BASE_MCI0,
 226                 .end    = AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .start  = AT91SAM9263_ID_MCI0,
 231                 .end    = AT91SAM9263_ID_MCI0,
 232                 .flags  = IORESOURCE_IRQ,
 233         },
 234 };
 235
 236 static struct platform_device at91sam9263_mmc0_device = {
 237         .name           = "at91_mci",
 238         .id             = 0,
 239         .dev            = {
 240                                 .dma_mask               = &mmc_dmamask,
 241                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 242                                 .platform_data          = &mmc0_data,
 243         },
 244         .resource       = mmc0_resources,
 245         .num_resources  = ARRAY_SIZE(mmc0_resources),
 246 };
 247
 248 static struct resource mmc1_resources[] = {
 249         [0] = {
 250                 .start  = AT91SAM9263_BASE_MCI1,
 251                 .end    = AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
 252                 .flags  = IORESOURCE_MEM,
 253         },
 254         [1] = {
 255                 .start  = AT91SAM9263_ID_MCI1,
 256                 .end    = AT91SAM9263_ID_MCI1,
 257                 .flags  = IORESOURCE_IRQ,
 258         },
 259 };
 260
 261 static struct platform_device at91sam9263_mmc1_device = {
 262         .name           = "at91_mci",
 263         .id             = 1,
 264         .dev            = {
 265                                 .dma_mask               = &mmc_dmamask,
 266                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 267                                 .platform_data          = &mmc1_data,
 268         },
 269         .resource       = mmc1_resources,
 270         .num_resources  = ARRAY_SIZE(mmc1_resources),
 271 };
 272
 273 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 274 {
 275         if (!data)
 276                 return;
 277
 278         /* input/irq */
 279         if (data->det_pin) {
 280                 at91_set_gpio_input(data->det_pin, 1);
 281                 at91_set_deglitch(data->det_pin, 1);
 282         }
 283         if (data->wp_pin)
 284                 at91_set_gpio_input(data->wp_pin, 1);
 285         if (data->vcc_pin)
 286                 at91_set_gpio_output(data->vcc_pin, 0);
 287
 288         if (mmc_id == 0) {              /* MCI0 */
 289                 /* CLK */
 290                 at91_set_A_periph(AT91_PIN_PA12, 0);
 291
 292                 if (data->slot_b) {
 293                         /* CMD */
 294                         at91_set_A_periph(AT91_PIN_PA16, 1);
 295
 296                         /* DAT0, maybe DAT1..DAT3 */
 297                         at91_set_A_periph(AT91_PIN_PA17, 1);
 298                         if (data->wire4) {
 299                                 at91_set_A_periph(AT91_PIN_PA18, 1);
 300                                 at91_set_A_periph(AT91_PIN_PA19, 1);
 301                                 at91_set_A_periph(AT91_PIN_PA20, 1);
 302                         }
 303                 } else {
 304                         /* CMD */
 305                         at91_set_A_periph(AT91_PIN_PA1, 1);
 306
 307                         /* DAT0, maybe DAT1..DAT3 */
 308                         at91_set_A_periph(AT91_PIN_PA0, 1);
 309                         if (data->wire4) {
 310                                 at91_set_A_periph(AT91_PIN_PA3, 1);
 311                                 at91_set_A_periph(AT91_PIN_PA4, 1);
 312                                 at91_set_A_periph(AT91_PIN_PA5, 1);
 313                         }
 314                 }
 315
 316                 mmc0_data = *data;
 317                 platform_device_register(&at91sam9263_mmc0_device);
 318         } else {                        /* MCI1 */
 319                 /* CLK */
 320                 at91_set_A_periph(AT91_PIN_PA6, 0);
 321
 322                 if (data->slot_b) {
 323                         /* CMD */
 324                         at91_set_A_periph(AT91_PIN_PA21, 1);
 325
 326                         /* DAT0, maybe DAT1..DAT3 */
 327                         at91_set_A_periph(AT91_PIN_PA22, 1);
 328                         if (data->wire4) {
 329                                 at91_set_A_periph(AT91_PIN_PA23, 1);
 330                                 at91_set_A_periph(AT91_PIN_PA24, 1);
 331                                 at91_set_A_periph(AT91_PIN_PA25, 1);
 332                         }
 333                 } else {
 334                         /* CMD */
 335                         at91_set_A_periph(AT91_PIN_PA7, 1);
 336
 337                         /* DAT0, maybe DAT1..DAT3 */
 338                         at91_set_A_periph(AT91_PIN_PA8, 1);
 339                         if (data->wire4) {
 340                                 at91_set_A_periph(AT91_PIN_PA9, 1);
 341                                 at91_set_A_periph(AT91_PIN_PA10, 1);
 342                                 at91_set_A_periph(AT91_PIN_PA11, 1);
 343                         }
 344                 }
 345
 346                 mmc1_data = *data;
 347                 platform_device_register(&at91sam9263_mmc1_device);
 348         }
 349 }
 350 #else
 351 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 352 #endif
 353
 354 /* --------------------------------------------------------------------
 355  *  Compact Flash (PCMCIA or IDE)
 356  * -------------------------------------------------------------------- */
 357
 358 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \
 359     defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
 360
 361 static struct at91_cf_data cf0_data;
 362
 363 static struct resource cf0_resources[] = {
 364         [0] = {
 365                 .start  = AT91_CHIPSELECT_4,
 366                 .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
 367                 .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
 368         }
 369 };
 370
 371 static struct platform_device cf0_device = {
 372         .id             = 0,
 373         .dev            = {
 374                                 .platform_data  = &cf0_data,
 375         },
 376         .resource       = cf0_resources,
 377         .num_resources  = ARRAY_SIZE(cf0_resources),
 378 };
 379
 380 static struct at91_cf_data cf1_data;
 381
 382 static struct resource cf1_resources[] = {
 383         [0] = {
 384                 .start  = AT91_CHIPSELECT_5,
 385                 .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
 386                 .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
 387         }
 388 };
 389
 390 static struct platform_device cf1_device = {
 391         .id             = 1,
 392         .dev            = {
 393                                 .platform_data  = &cf1_data,
 394         },
 395         .resource       = cf1_resources,
 396         .num_resources  = ARRAY_SIZE(cf1_resources),
 397 };
 398
 399 void __init at91_add_device_cf(struct at91_cf_data *data)
 400 {
 401         unsigned long ebi0_csa;
 402         struct platform_device *pdev;
 403
 404         if (!data)
 405                 return;
 406
 407         /*
 408          * assign CS4 or CS5 to SMC with Compact Flash logic support,
 409          * we assume SMC timings are configured by board code,
 410          * except True IDE where timings are controlled by driver
 411          */
 412         ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
 413         switch (data->chipselect) {
 414         case 4:
 415                 at91_set_A_periph(AT91_PIN_PD6, 0);  /* EBI0_NCS4/CFCS0 */
 416                 ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
 417                 cf0_data = *data;
 418                 pdev = &cf0_device;
 419                 break;
 420         case 5:
 421                 at91_set_A_periph(AT91_PIN_PD7, 0);  /* EBI0_NCS5/CFCS1 */
 422                 ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
 423                 cf1_data = *data;
 424                 pdev = &cf1_device;
 425                 break;
 426         default:
 427                 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
 428                        data->chipselect);
 429                 return;
 430         }
 431         at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
 432
 433         if (data->det_pin) {
 434                 at91_set_gpio_input(data->det_pin, 1);
 435                 at91_set_deglitch(data->det_pin, 1);
 436         }
 437
 438         if (data->irq_pin) {
 439                 at91_set_gpio_input(data->irq_pin, 1);
 440                 at91_set_deglitch(data->irq_pin, 1);
 441         }
 442
 443         if (data->vcc_pin)
 444                 /* initially off */
 445                 at91_set_gpio_output(data->vcc_pin, 0);
 446
 447         /* enable EBI controlled pins */
 448         at91_set_A_periph(AT91_PIN_PD5, 1);  /* NWAIT */
 449         at91_set_A_periph(AT91_PIN_PD8, 0);  /* CFCE1 */
 450         at91_set_A_periph(AT91_PIN_PD9, 0);  /* CFCE2 */
 451         at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
 452
 453         pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
 454         platform_device_register(pdev);
 455 }
 456 #else
 457 void __init at91_add_device_cf(struct at91_cf_data *data) {}
 458 #endif
 459
 460 /* --------------------------------------------------------------------
 461  *  NAND / SmartMedia
 462  * -------------------------------------------------------------------- */
 463
 464 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 465 static struct atmel_nand_data nand_data;
 466
 467 #define NAND_BASE       AT91_CHIPSELECT_3
 468
 469 static struct resource nand_resources[] = {
 470         [0] = {
 471                 .start  = NAND_BASE,
 472                 .end    = NAND_BASE + SZ_256M - 1,
 473                 .flags  = IORESOURCE_MEM,
 474         },
 475         [1] = {
 476                 .start  = AT91_BASE_SYS + AT91_ECC0,
 477                 .end    = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
 478                 .flags  = IORESOURCE_MEM,
 479         }
 480 };
 481
 482 static struct platform_device at91sam9263_nand_device = {
 483         .name           = "atmel_nand",
 484         .id             = -1,
 485         .dev            = {
 486                                 .platform_data  = &nand_data,
 487         },
 488         .resource       = nand_resources,
 489         .num_resources  = ARRAY_SIZE(nand_resources),
 490 };
 491
 492 void __init at91_add_device_nand(struct atmel_nand_data *data)
 493 {
 494         unsigned long csa;
 495
 496         if (!data)
 497                 return;
 498
 499         csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
 500         at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 501
 502         /* enable pin */
 503         if (data->enable_pin)
 504                 at91_set_gpio_output(data->enable_pin, 1);
 505
 506         /* ready/busy pin */
 507         if (data->rdy_pin)
 508                 at91_set_gpio_input(data->rdy_pin, 1);
 509
 510         /* card detect pin */
 511         if (data->det_pin)
 512                 at91_set_gpio_input(data->det_pin, 1);
 513
 514         nand_data = *data;
 515         platform_device_register(&at91sam9263_nand_device);
 516 }
 517 #else
 518 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 519 #endif
 520
 521
 522 /* --------------------------------------------------------------------
 523  *  TWI (i2c)
 524  * -------------------------------------------------------------------- */
 525
 526 /*
 527  * Prefer the GPIO code since the TWI controller isn't robust
 528  * (gets overruns and underruns under load) and can only issue
 529  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 530  */
 531 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 532
 533 static struct i2c_gpio_platform_data pdata = {
 534         .sda_pin                = AT91_PIN_PB4,
 535         .sda_is_open_drain      = 1,
 536         .scl_pin                = AT91_PIN_PB5,
 537         .scl_is_open_drain      = 1,
 538         .udelay                 = 2,            /* ~100 kHz */
 539 };
 540
 541 static struct platform_device at91sam9263_twi_device = {
 542         .name                   = "i2c-gpio",
 543         .id                     = -1,
 544         .dev.platform_data      = &pdata,
 545 };
 546
 547 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 548 {
 549         at91_set_GPIO_periph(AT91_PIN_PB4, 1);          /* TWD (SDA) */
 550         at91_set_multi_drive(AT91_PIN_PB4, 1);
 551
 552         at91_set_GPIO_periph(AT91_PIN_PB5, 1);          /* TWCK (SCL) */
 553         at91_set_multi_drive(AT91_PIN_PB5, 1);
 554
 555         i2c_register_board_info(0, devices, nr_devices);
 556         platform_device_register(&at91sam9263_twi_device);
 557 }
 558
 559 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 560
 561 static struct resource twi_resources[] = {
 562         [0] = {
 563                 .start  = AT91SAM9263_BASE_TWI,
 564                 .end    = AT91SAM9263_BASE_TWI + SZ_16K - 1,
 565                 .flags  = IORESOURCE_MEM,
 566         },
 567         [1] = {
 568                 .start  = AT91SAM9263_ID_TWI,
 569                 .end    = AT91SAM9263_ID_TWI,
 570                 .flags  = IORESOURCE_IRQ,
 571         },
 572 };
 573
 574 static struct platform_device at91sam9263_twi_device = {
 575         .name           = "at91_i2c",
 576         .id             = -1,
 577         .resource       = twi_resources,
 578         .num_resources  = ARRAY_SIZE(twi_resources),
 579 };
 580
 581 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 582 {
 583         /* pins used for TWI interface */
 584         at91_set_A_periph(AT91_PIN_PB4, 0);             /* TWD */
 585         at91_set_multi_drive(AT91_PIN_PB4, 1);
 586
 587         at91_set_A_periph(AT91_PIN_PB5, 0);             /* TWCK */
 588         at91_set_multi_drive(AT91_PIN_PB5, 1);
 589
 590         i2c_register_board_info(0, devices, nr_devices);
 591         platform_device_register(&at91sam9263_twi_device);
 592 }
 593 #else
 594 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 595 #endif
 596
 597
 598 /* --------------------------------------------------------------------
 599  *  SPI
 600  * -------------------------------------------------------------------- */
 601
 602 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 603 static u64 spi_dmamask = DMA_BIT_MASK(32);
 604
 605 static struct resource spi0_resources[] = {
 606         [0] = {
 607                 .start  = AT91SAM9263_BASE_SPI0,
 608                 .end    = AT91SAM9263_BASE_SPI0 + SZ_16K - 1,
 609                 .flags  = IORESOURCE_MEM,
 610         },
 611         [1] = {
 612                 .start  = AT91SAM9263_ID_SPI0,
 613                 .end    = AT91SAM9263_ID_SPI0,
 614                 .flags  = IORESOURCE_IRQ,
 615         },
 616 };
 617
 618 static struct platform_device at91sam9263_spi0_device = {
 619         .name           = "atmel_spi",
 620         .id             = 0,
 621         .dev            = {
 622                                 .dma_mask               = &spi_dmamask,
 623                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 624         },
 625         .resource       = spi0_resources,
 626         .num_resources  = ARRAY_SIZE(spi0_resources),
 627 };
 628
 629 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 };
 630
 631 static struct resource spi1_resources[] = {
 632         [0] = {
 633                 .start  = AT91SAM9263_BASE_SPI1,
 634                 .end    = AT91SAM9263_BASE_SPI1 + SZ_16K - 1,
 635                 .flags  = IORESOURCE_MEM,
 636         },
 637         [1] = {
 638                 .start  = AT91SAM9263_ID_SPI1,
 639                 .end    = AT91SAM9263_ID_SPI1,
 640                 .flags  = IORESOURCE_IRQ,
 641         },
 642 };
 643
 644 static struct platform_device at91sam9263_spi1_device = {
 645         .name           = "atmel_spi",
 646         .id             = 1,
 647         .dev            = {
 648                                 .dma_mask               = &spi_dmamask,
 649                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 650         },
 651         .resource       = spi1_resources,
 652         .num_resources  = ARRAY_SIZE(spi1_resources),
 653 };
 654
 655 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
 656
 657 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 658 {
 659         int i;
 660         unsigned long cs_pin;
 661         short enable_spi0 = 0;
 662         short enable_spi1 = 0;
 663
 664         /* Choose SPI chip-selects */
 665         for (i = 0; i < nr_devices; i++) {
 666                 if (devices[i].controller_data)
 667                         cs_pin = (unsigned long) devices[i].controller_data;
 668                 else if (devices[i].bus_num == 0)
 669                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 670                 else
 671                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 672
 673                 if (devices[i].bus_num == 0)
 674                         enable_spi0 = 1;
 675                 else
 676                         enable_spi1 = 1;
 677
 678                 /* enable chip-select pin */
 679                 at91_set_gpio_output(cs_pin, 1);
 680
 681                 /* pass chip-select pin to driver */
 682                 devices[i].controller_data = (void *) cs_pin;
 683         }
 684
 685         spi_register_board_info(devices, nr_devices);
 686
 687         /* Configure SPI bus(es) */
 688         if (enable_spi0) {
 689                 at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 690                 at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 691                 at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
 692
 693                 platform_device_register(&at91sam9263_spi0_device);
 694         }
 695         if (enable_spi1) {
 696                 at91_set_A_periph(AT91_PIN_PB12, 0);    /* SPI1_MISO */
 697                 at91_set_A_periph(AT91_PIN_PB13, 0);    /* SPI1_MOSI */
 698                 at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_SPCK */
 699
 700                 platform_device_register(&at91sam9263_spi1_device);
 701         }
 702 }
 703 #else
 704 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 705 #endif
 706
 707
 708 /* --------------------------------------------------------------------
 709  *  AC97
 710  * -------------------------------------------------------------------- */
 711
 712 #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
 713 static u64 ac97_dmamask = DMA_BIT_MASK(32);
 714 static struct ac97c_platform_data ac97_data;
 715
 716 static struct resource ac97_resources[] = {
 717         [0] = {
 718                 .start  = AT91SAM9263_BASE_AC97C,
 719                 .end    = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
 720                 .flags  = IORESOURCE_MEM,
 721         },
 722         [1] = {
 723                 .start  = AT91SAM9263_ID_AC97C,
 724                 .end    = AT91SAM9263_ID_AC97C,
 725                 .flags  = IORESOURCE_IRQ,
 726         },
 727 };
 728
 729 static struct platform_device at91sam9263_ac97_device = {
 730         .name           = "atmel_ac97c",
 731         .id             = 0,
 732         .dev            = {
 733                                 .dma_mask               = &ac97_dmamask,
 734                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 735                                 .platform_data          = &ac97_data,
 736         },
 737         .resource       = ac97_resources,
 738         .num_resources  = ARRAY_SIZE(ac97_resources),
 739 };
 740
 741 void __init at91_add_device_ac97(struct ac97c_platform_data *data)
 742 {
 743         if (!data)
 744                 return;
 745
 746         at91_set_A_periph(AT91_PIN_PB0, 0);     /* AC97FS */
 747         at91_set_A_periph(AT91_PIN_PB1, 0);     /* AC97CK */
 748         at91_set_A_periph(AT91_PIN_PB2, 0);     /* AC97TX */
 749         at91_set_A_periph(AT91_PIN_PB3, 0);     /* AC97RX */
 750
 751         /* reset */
 752         if (data->reset_pin)
 753                 at91_set_gpio_output(data->reset_pin, 0);
 754
 755         ac97_data = *data;
 756         platform_device_register(&at91sam9263_ac97_device);
 757 }
 758 #else
 759 void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
 760 #endif
 761
 762 /* --------------------------------------------------------------------
 763  *  CAN Controller
 764  * -------------------------------------------------------------------- */
 765
 766 #if defined(CONFIG_CAN_AT91) || defined(CONFIG_CAN_AT91_MODULE)
 767 static struct resource can_resources[] = {
 768         [0] = {
 769                 .start  = AT91SAM9263_BASE_CAN,
 770                 .end    = AT91SAM9263_BASE_CAN + SZ_16K - 1,
 771                 .flags  = IORESOURCE_MEM,
 772         },
 773         [1] = {
 774                 .start  = AT91SAM9263_ID_CAN,
 775                 .end    = AT91SAM9263_ID_CAN,
 776                 .flags  = IORESOURCE_IRQ,
 777         },
 778 };
 779
 780 static struct platform_device at91sam9263_can_device = {
 781         .name           = "at91_can",
 782         .id             = -1,
 783         .resource       = can_resources,
 784         .num_resources  = ARRAY_SIZE(can_resources),
 785 };
 786
 787 void __init at91_add_device_can(struct at91_can_data *data)
 788 {
 789         at91_set_A_periph(AT91_PIN_PA13, 0);    /* CANTX */
 790         at91_set_A_periph(AT91_PIN_PA14, 0);    /* CANRX */
 791         at91sam9263_can_device.dev.platform_data = data;
 792
 793         platform_device_register(&at91sam9263_can_device);
 794 }
 795 #else
 796 void __init at91_add_device_can(struct at91_can_data *data) {}
 797 #endif
 798
 799 /* --------------------------------------------------------------------
 800  *  LCD Controller
 801  * -------------------------------------------------------------------- */
 802
 803 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 804 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 805 static struct atmel_lcdfb_info lcdc_data;
 806
 807 static struct resource lcdc_resources[] = {
 808         [0] = {
 809                 .start  = AT91SAM9263_LCDC_BASE,
 810                 .end    = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
 811                 .flags  = IORESOURCE_MEM,
 812         },
 813         [1] = {
 814                 .start  = AT91SAM9263_ID_LCDC,
 815                 .end    = AT91SAM9263_ID_LCDC,
 816                 .flags  = IORESOURCE_IRQ,
 817         },
 818 };
 819
 820 static struct platform_device at91_lcdc_device = {
 821         .name           = "atmel_lcdfb",
 822         .id             = 0,
 823         .dev            = {
 824                                 .dma_mask               = &lcdc_dmamask,
 825                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 826                                 .platform_data          = &lcdc_data,
 827         },
 828         .resource       = lcdc_resources,
 829         .num_resources  = ARRAY_SIZE(lcdc_resources),
 830 };
 831
 832 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
 833 {
 834         if (!data)
 835                 return;
 836
 837         at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 838         at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 839         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 840         at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 841         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 842         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 843         at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 844         at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 845         at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 846         at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 847         at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 848         at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 849         at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 850         at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD13 */
 851         at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 852         at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 853         at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 854         at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 855         at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 856         at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD21 */
 857         at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 858         at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 859
 860         lcdc_data = *data;
 861         platform_device_register(&at91_lcdc_device);
 862 }
 863 #else
 864 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 865 #endif
 866
 867
 868 /* --------------------------------------------------------------------
 869  *  Image Sensor Interface
 870  * -------------------------------------------------------------------- */
 871
 872 #if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
 873
 874 struct resource isi_resources[] = {
 875         [0] = {
 876                 .start  = AT91SAM9263_BASE_ISI,
 877                 .end    = AT91SAM9263_BASE_ISI + SZ_16K - 1,
 878                 .flags  = IORESOURCE_MEM,
 879         },
 880         [1] = {
 881                 .start  = AT91SAM9263_ID_ISI,
 882                 .end    = AT91SAM9263_ID_ISI,
 883                 .flags  = IORESOURCE_IRQ,
 884         },
 885 };
 886
 887 static struct platform_device at91sam9263_isi_device = {
 888         .name           = "at91_isi",
 889         .id             = -1,
 890         .resource       = isi_resources,
 891         .num_resources  = ARRAY_SIZE(isi_resources),
 892 };
 893
 894 void __init at91_add_device_isi(void)
 895 {
 896         at91_set_A_periph(AT91_PIN_PE0, 0);     /* ISI_D0 */
 897         at91_set_A_periph(AT91_PIN_PE1, 0);     /* ISI_D1 */
 898         at91_set_A_periph(AT91_PIN_PE2, 0);     /* ISI_D2 */
 899         at91_set_A_periph(AT91_PIN_PE3, 0);     /* ISI_D3 */
 900         at91_set_A_periph(AT91_PIN_PE4, 0);     /* ISI_D4 */
 901         at91_set_A_periph(AT91_PIN_PE5, 0);     /* ISI_D5 */
 902         at91_set_A_periph(AT91_PIN_PE6, 0);     /* ISI_D6 */
 903         at91_set_A_periph(AT91_PIN_PE7, 0);     /* ISI_D7 */
 904         at91_set_A_periph(AT91_PIN_PE8, 0);     /* ISI_PCK */
 905         at91_set_A_periph(AT91_PIN_PE9, 0);     /* ISI_HSYNC */
 906         at91_set_A_periph(AT91_PIN_PE10, 0);    /* ISI_VSYNC */
 907         at91_set_B_periph(AT91_PIN_PE11, 0);    /* ISI_MCK (PCK3) */
 908         at91_set_B_periph(AT91_PIN_PE12, 0);    /* ISI_PD8 */
 909         at91_set_B_periph(AT91_PIN_PE13, 0);    /* ISI_PD9 */
 910         at91_set_B_periph(AT91_PIN_PE14, 0);    /* ISI_PD10 */
 911         at91_set_B_periph(AT91_PIN_PE15, 0);    /* ISI_PD11 */
 912 }
 913 #else
 914 void __init at91_add_device_isi(void) {}
 915 #endif
 916
 917
 918 /* --------------------------------------------------------------------
 919  *  Timer/Counter block
 920  * -------------------------------------------------------------------- */
 921
 922 #ifdef CONFIG_ATMEL_TCLIB
 923
 924 static struct resource tcb_resources[] = {
 925         [0] = {
 926                 .start  = AT91SAM9263_BASE_TCB0,
 927                 .end    = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
 928                 .flags  = IORESOURCE_MEM,
 929         },
 930         [1] = {
 931                 .start  = AT91SAM9263_ID_TCB,
 932                 .end    = AT91SAM9263_ID_TCB,
 933                 .flags  = IORESOURCE_IRQ,
 934         },
 935 };
 936
 937 static struct platform_device at91sam9263_tcb_device = {
 938         .name           = "atmel_tcb",
 939         .id             = 0,
 940         .resource       = tcb_resources,
 941         .num_resources  = ARRAY_SIZE(tcb_resources),
 942 };
 943
 944 static void __init at91_add_device_tc(void)
 945 {
 946         platform_device_register(&at91sam9263_tcb_device);
 947 }
 948 #else
 949 static void __init at91_add_device_tc(void) { }
 950 #endif
 951
 952
 953 /* --------------------------------------------------------------------
 954  *  RTT
 955  * -------------------------------------------------------------------- */
 956
 957 static struct resource rtt0_resources[] = {
 958         {
 959                 .start  = AT91_BASE_SYS + AT91_RTT0,
 960                 .end    = AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
 961                 .flags  = IORESOURCE_MEM,
 962         }
 963 };
 964
 965 static struct platform_device at91sam9263_rtt0_device = {
 966         .name           = "at91_rtt",
 967         .id             = 0,
 968         .resource       = rtt0_resources,
 969         .num_resources  = ARRAY_SIZE(rtt0_resources),
 970 };
 971
 972 static struct resource rtt1_resources[] = {
 973         {
 974                 .start  = AT91_BASE_SYS + AT91_RTT1,
 975                 .end    = AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
 976                 .flags  = IORESOURCE_MEM,
 977         }
 978 };
 979
 980 static struct platform_device at91sam9263_rtt1_device = {
 981         .name           = "at91_rtt",
 982         .id             = 1,
 983         .resource       = rtt1_resources,
 984         .num_resources  = ARRAY_SIZE(rtt1_resources),
 985 };
 986
 987 static void __init at91_add_device_rtt(void)
 988 {
 989         platform_device_register(&at91sam9263_rtt0_device);
 990         platform_device_register(&at91sam9263_rtt1_device);
 991 }
 992
 993
 994 /* --------------------------------------------------------------------
 995  *  Watchdog
 996  * -------------------------------------------------------------------- */
 997
 998 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
 999 static struct platform_device at91sam9263_wdt_device = {
1000         .name           = "at91_wdt",
1001         .id             = -1,
1002         .num_resources  = 0,
1003 };
1004
1005 static void __init at91_add_device_watchdog(void)
1006 {
1007         platform_device_register(&at91sam9263_wdt_device);
1008 }
1009 #else
1010 static void __init at91_add_device_watchdog(void) {}
1011 #endif
1012
1013
1014 /* --------------------------------------------------------------------
1015  *  PWM
1016  * --------------------------------------------------------------------*/
1017
1018 #if defined(CONFIG_ATMEL_PWM)
1019 static u32 pwm_mask;
1020
1021 static struct resource pwm_resources[] = {
1022         [0] = {
1023                 .start  = AT91SAM9263_BASE_PWMC,
1024                 .end    = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
1025                 .flags  = IORESOURCE_MEM,
1026         },
1027         [1] = {
1028                 .start  = AT91SAM9263_ID_PWMC,
1029                 .end    = AT91SAM9263_ID_PWMC,
1030                 .flags  = IORESOURCE_IRQ,
1031         },
1032 };
1033
1034 static struct platform_device at91sam9263_pwm0_device = {
1035         .name   = "atmel_pwm",
1036         .id     = -1,
1037         .dev    = {
1038                 .platform_data          = &pwm_mask,
1039         },
1040         .resource       = pwm_resources,
1041         .num_resources  = ARRAY_SIZE(pwm_resources),
1042 };
1043
1044 void __init at91_add_device_pwm(u32 mask)
1045 {
1046         if (mask & (1 << AT91_PWM0))
1047                 at91_set_B_periph(AT91_PIN_PB7, 1);     /* enable PWM0 */
1048
1049         if (mask & (1 << AT91_PWM1))
1050                 at91_set_B_periph(AT91_PIN_PB8, 1);     /* enable PWM1 */
1051
1052         if (mask & (1 << AT91_PWM2))
1053                 at91_set_B_periph(AT91_PIN_PC29, 1);    /* enable PWM2 */
1054
1055         if (mask & (1 << AT91_PWM3))
1056                 at91_set_B_periph(AT91_PIN_PB29, 1);    /* enable PWM3 */
1057
1058         pwm_mask = mask;
1059
1060         platform_device_register(&at91sam9263_pwm0_device);
1061 }
1062 #else
1063 void __init at91_add_device_pwm(u32 mask) {}
1064 #endif
1065
1066
1067 /* --------------------------------------------------------------------
1068  *  SSC -- Synchronous Serial Controller
1069  * -------------------------------------------------------------------- */
1070
1071 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1072 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
1073
1074 static struct resource ssc0_resources[] = {
1075         [0] = {
1076                 .start  = AT91SAM9263_BASE_SSC0,
1077                 .end    = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
1078                 .flags  = IORESOURCE_MEM,
1079         },
1080         [1] = {
1081                 .start  = AT91SAM9263_ID_SSC0,
1082                 .end    = AT91SAM9263_ID_SSC0,
1083                 .flags  = IORESOURCE_IRQ,
1084         },
1085 };
1086
1087 static struct platform_device at91sam9263_ssc0_device = {
1088         .name   = "ssc",
1089         .id     = 0,
1090         .dev    = {
1091                 .dma_mask               = &ssc0_dmamask,
1092                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1093         },
1094         .resource       = ssc0_resources,
1095         .num_resources  = ARRAY_SIZE(ssc0_resources),
1096 };
1097
1098 static inline void configure_ssc0_pins(unsigned pins)
1099 {
1100         if (pins & ATMEL_SSC_TF)
1101                 at91_set_B_periph(AT91_PIN_PB0, 1);
1102         if (pins & ATMEL_SSC_TK)
1103                 at91_set_B_periph(AT91_PIN_PB1, 1);
1104         if (pins & ATMEL_SSC_TD)
1105                 at91_set_B_periph(AT91_PIN_PB2, 1);
1106         if (pins & ATMEL_SSC_RD)
1107                 at91_set_B_periph(AT91_PIN_PB3, 1);
1108         if (pins & ATMEL_SSC_RK)
1109                 at91_set_B_periph(AT91_PIN_PB4, 1);
1110         if (pins & ATMEL_SSC_RF)
1111                 at91_set_B_periph(AT91_PIN_PB5, 1);
1112 }
1113
1114 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
1115
1116 static struct resource ssc1_resources[] = {
1117         [0] = {
1118                 .start  = AT91SAM9263_BASE_SSC1,
1119                 .end    = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
1120                 .flags  = IORESOURCE_MEM,
1121         },
1122         [1] = {
1123                 .start  = AT91SAM9263_ID_SSC1,
1124                 .end    = AT91SAM9263_ID_SSC1,
1125                 .flags  = IORESOURCE_IRQ,
1126         },
1127 };
1128
1129 static struct platform_device at91sam9263_ssc1_device = {
1130         .name   = "ssc",
1131         .id     = 1,
1132         .dev    = {
1133                 .dma_mask               = &ssc1_dmamask,
1134                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1135         },
1136         .resource       = ssc1_resources,
1137         .num_resources  = ARRAY_SIZE(ssc1_resources),
1138 };
1139
1140 static inline void configure_ssc1_pins(unsigned pins)
1141 {
1142         if (pins & ATMEL_SSC_TF)
1143                 at91_set_A_periph(AT91_PIN_PB6, 1);
1144         if (pins & ATMEL_SSC_TK)
1145                 at91_set_A_periph(AT91_PIN_PB7, 1);
1146         if (pins & ATMEL_SSC_TD)
1147                 at91_set_A_periph(AT91_PIN_PB8, 1);
1148         if (pins & ATMEL_SSC_RD)
1149                 at91_set_A_periph(AT91_PIN_PB9, 1);
1150         if (pins & ATMEL_SSC_RK)
1151                 at91_set_A_periph(AT91_PIN_PB10, 1);
1152         if (pins & ATMEL_SSC_RF)
1153                 at91_set_A_periph(AT91_PIN_PB11, 1);
1154 }
1155
1156 /*
1157  * SSC controllers are accessed through library code, instead of any
1158  * kind of all-singing/all-dancing driver.  For example one could be
1159  * used by a particular I2S audio codec's driver, while another one
1160  * on the same system might be used by a custom data capture driver.
1161  */
1162 void __init at91_add_device_ssc(unsigned id, unsigned pins)
1163 {
1164         struct platform_device *pdev;
1165
1166         /*
1167          * NOTE: caller is responsible for passing information matching
1168          * "pins" to whatever will be using each particular controller.
1169          */
1170         switch (id) {
1171         case AT91SAM9263_ID_SSC0:
1172                 pdev = &at91sam9263_ssc0_device;
1173                 configure_ssc0_pins(pins);
1174                 break;
1175         case AT91SAM9263_ID_SSC1:
1176                 pdev = &at91sam9263_ssc1_device;
1177                 configure_ssc1_pins(pins);
1178                 break;
1179         default:
1180                 return;
1181         }
1182
1183         platform_device_register(pdev);
1184 }
1185
1186 #else
1187 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1188 #endif
1189
1190
1191 /* --------------------------------------------------------------------
1192  *  UART
1193  * -------------------------------------------------------------------- */
1194
1195 #if defined(CONFIG_SERIAL_ATMEL)
1196
1197 static struct resource dbgu_resources[] = {
1198         [0] = {
1199                 .start  = AT91_VA_BASE_SYS + AT91_DBGU,
1200                 .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
1201                 .flags  = IORESOURCE_MEM,
1202         },
1203         [1] = {
1204                 .start  = AT91_ID_SYS,
1205                 .end    = AT91_ID_SYS,
1206                 .flags  = IORESOURCE_IRQ,
1207         },
1208 };
1209
1210 static struct atmel_uart_data dbgu_data = {
1211         .use_dma_tx     = 0,
1212         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
1213         .regs           = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
1214 };
1215
1216 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1217
1218 static struct platform_device at91sam9263_dbgu_device = {
1219         .name           = "atmel_usart",
1220         .id             = 0,
1221         .dev            = {
1222                                 .dma_mask               = &dbgu_dmamask,
1223                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1224                                 .platform_data          = &dbgu_data,
1225         },
1226         .resource       = dbgu_resources,
1227         .num_resources  = ARRAY_SIZE(dbgu_resources),
1228 };
1229
1230 static inline void configure_dbgu_pins(void)
1231 {
1232         at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
1233         at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
1234 }
1235
1236 static struct resource uart0_resources[] = {
1237         [0] = {
1238                 .start  = AT91SAM9263_BASE_US0,
1239                 .end    = AT91SAM9263_BASE_US0 + SZ_16K - 1,
1240                 .flags  = IORESOURCE_MEM,
1241         },
1242         [1] = {
1243                 .start  = AT91SAM9263_ID_US0,
1244                 .end    = AT91SAM9263_ID_US0,
1245                 .flags  = IORESOURCE_IRQ,
1246         },
1247 };
1248
1249 static struct atmel_uart_data uart0_data = {
1250         .use_dma_tx     = 1,
1251         .use_dma_rx     = 1,
1252 };
1253
1254 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1255
1256 static struct platform_device at91sam9263_uart0_device = {
1257         .name           = "atmel_usart",
1258         .id             = 1,
1259         .dev            = {
1260                                 .dma_mask               = &uart0_dmamask,
1261                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1262                                 .platform_data          = &uart0_data,
1263         },
1264         .resource       = uart0_resources,
1265         .num_resources  = ARRAY_SIZE(uart0_resources),
1266 };
1267
1268 static inline void configure_usart0_pins(unsigned pins)
1269 {
1270         at91_set_A_periph(AT91_PIN_PA26, 1);            /* TXD0 */
1271         at91_set_A_periph(AT91_PIN_PA27, 0);            /* RXD0 */
1272
1273         if (pins & ATMEL_UART_RTS)
1274                 at91_set_A_periph(AT91_PIN_PA28, 0);    /* RTS0 */
1275         if (pins & ATMEL_UART_CTS)
1276                 at91_set_A_periph(AT91_PIN_PA29, 0);    /* CTS0 */
1277 }
1278
1279 static struct resource uart1_resources[] = {
1280         [0] = {
1281                 .start  = AT91SAM9263_BASE_US1,
1282                 .end    = AT91SAM9263_BASE_US1 + SZ_16K - 1,
1283                 .flags  = IORESOURCE_MEM,
1284         },
1285         [1] = {
1286                 .start  = AT91SAM9263_ID_US1,
1287                 .end    = AT91SAM9263_ID_US1,
1288                 .flags  = IORESOURCE_IRQ,
1289         },
1290 };
1291
1292 static struct atmel_uart_data uart1_data = {
1293         .use_dma_tx     = 1,
1294         .use_dma_rx     = 1,
1295 };
1296
1297 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1298
1299 static struct platform_device at91sam9263_uart1_device = {
1300         .name           = "atmel_usart",
1301         .id             = 2,
1302         .dev            = {
1303                                 .dma_mask               = &uart1_dmamask,
1304                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1305                                 .platform_data          = &uart1_data,
1306         },
1307         .resource       = uart1_resources,
1308         .num_resources  = ARRAY_SIZE(uart1_resources),
1309 };
1310
1311 static inline void configure_usart1_pins(unsigned pins)
1312 {
1313         at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
1314         at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
1315
1316         if (pins & ATMEL_UART_RTS)
1317                 at91_set_B_periph(AT91_PIN_PD7, 0);     /* RTS1 */
1318         if (pins & ATMEL_UART_CTS)
1319                 at91_set_B_periph(AT91_PIN_PD8, 0);     /* CTS1 */
1320 }
1321
1322 static struct resource uart2_resources[] = {
1323         [0] = {
1324                 .start  = AT91SAM9263_BASE_US2,
1325                 .end    = AT91SAM9263_BASE_US2 + SZ_16K - 1,
1326                 .flags  = IORESOURCE_MEM,
1327         },
1328         [1] = {
1329                 .start  = AT91SAM9263_ID_US2,
1330                 .end    = AT91SAM9263_ID_US2,
1331                 .flags  = IORESOURCE_IRQ,
1332         },
1333 };
1334
1335 static struct atmel_uart_data uart2_data = {
1336         .use_dma_tx     = 1,
1337         .use_dma_rx     = 1,
1338 };
1339
1340 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1341
1342 static struct platform_device at91sam9263_uart2_device = {
1343         .name           = "atmel_usart",
1344         .id             = 3,
1345         .dev            = {
1346                                 .dma_mask               = &uart2_dmamask,
1347                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1348                                 .platform_data          = &uart2_data,
1349         },
1350         .resource       = uart2_resources,
1351         .num_resources  = ARRAY_SIZE(uart2_resources),
1352 };
1353
1354 static inline void configure_usart2_pins(unsigned pins)
1355 {
1356         at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
1357         at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
1358
1359         if (pins & ATMEL_UART_RTS)
1360                 at91_set_B_periph(AT91_PIN_PD5, 0);     /* RTS2 */
1361         if (pins & ATMEL_UART_CTS)
1362                 at91_set_B_periph(AT91_PIN_PD6, 0);     /* CTS2 */
1363 }
1364
1365 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1366 struct platform_device *atmel_default_console_device;   /* the serial console device */
1367
1368 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1369 {
1370         struct platform_device *pdev;
1371         struct atmel_uart_data *pdata;
1372
1373         switch (id) {
1374                 case 0:         /* DBGU */
1375                         pdev = &at91sam9263_dbgu_device;
1376                         configure_dbgu_pins();
1377                         break;
1378                 case AT91SAM9263_ID_US0:
1379                         pdev = &at91sam9263_uart0_device;
1380                         configure_usart0_pins(pins);
1381                         break;
1382                 case AT91SAM9263_ID_US1:
1383                         pdev = &at91sam9263_uart1_device;
1384                         configure_usart1_pins(pins);
1385                         break;
1386                 case AT91SAM9263_ID_US2:
1387                         pdev = &at91sam9263_uart2_device;
1388                         configure_usart2_pins(pins);
1389                         break;
1390                 default:
1391                         return;
1392         }
1393         pdata = pdev->dev.platform_data;
1394         pdata->num = portnr;            /* update to mapped ID */
1395
1396         if (portnr < ATMEL_MAX_UART)
1397                 at91_uarts[portnr] = pdev;
1398 }
1399
1400 void __init at91_set_serial_console(unsigned portnr)
1401 {
1402         if (portnr < ATMEL_MAX_UART) {
1403                 atmel_default_console_device = at91_uarts[portnr];
1404                 at91sam9263_set_console_clock(at91_uarts[portnr]->id);
1405         }
1406 }
1407
1408 void __init at91_add_device_serial(void)
1409 {
1410         int i;
1411
1412         for (i = 0; i < ATMEL_MAX_UART; i++) {
1413                 if (at91_uarts[i])
1414                         platform_device_register(at91_uarts[i]);
1415         }
1416
1417         if (!atmel_default_console_device)
1418                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1419 }
1420 #else
1421 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1422 void __init at91_set_serial_console(unsigned portnr) {}
1423 void __init at91_add_device_serial(void) {}
1424 #endif
1425
1426
1427 /* -------------------------------------------------------------------- */
1428 /*
1429  * These devices are always present and don't need any board-specific
1430  * setup.
1431  */
1432 static int __init at91_add_standard_devices(void)
1433 {
1434         at91_add_device_rtt();
1435         at91_add_device_watchdog();
1436         at91_add_device_tc();
1437         return 0;
1438 }
1439
1440 arch_initcall(at91_add_standard_devices);