git.oblomov.eu Git - linux-2.6/blob - 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/platform_device.h>
  17 #include <linux/i2c-gpio.h>
  18
  19 #include <linux/fb.h>
  20 #include <video/atmel_lcdc.h>
  21
  22 #include <mach/board.h>
  23 #include <mach/gpio.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         usbh_data = *data;
  78         platform_device_register(&at91_usbh_device);
  79 }
  80 #else
  81 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  82 #endif
  83
  84
  85 /* --------------------------------------------------------------------
  86  *  USB Device (Gadget)
  87  * -------------------------------------------------------------------- */
  88
  89 #ifdef CONFIG_USB_GADGET_AT91
  90 static struct at91_udc_data udc_data;
  91
  92 static struct resource udc_resources[] = {
  93         [0] = {
  94                 .start  = AT91SAM9263_BASE_UDP,
  95                 .end    = AT91SAM9263_BASE_UDP + SZ_16K - 1,
  96                 .flags  = IORESOURCE_MEM,
  97         },
  98         [1] = {
  99                 .start  = AT91SAM9263_ID_UDP,
 100                 .end    = AT91SAM9263_ID_UDP,
 101                 .flags  = IORESOURCE_IRQ,
 102         },
 103 };
 104
 105 static struct platform_device at91_udc_device = {
 106         .name           = "at91_udc",
 107         .id             = -1,
 108         .dev            = {
 109                                 .platform_data          = &udc_data,
 110         },
 111         .resource       = udc_resources,
 112         .num_resources  = ARRAY_SIZE(udc_resources),
 113 };
 114
 115 void __init at91_add_device_udc(struct at91_udc_data *data)
 116 {
 117         if (!data)
 118                 return;
 119
 120         if (data->vbus_pin) {
 121                 at91_set_gpio_input(data->vbus_pin, 0);
 122                 at91_set_deglitch(data->vbus_pin, 1);
 123         }
 124
 125         /* Pullup pin is handled internally by USB device peripheral */
 126
 127         udc_data = *data;
 128         platform_device_register(&at91_udc_device);
 129 }
 130 #else
 131 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 132 #endif
 133
 134
 135 /* --------------------------------------------------------------------
 136  *  Ethernet
 137  * -------------------------------------------------------------------- */
 138
 139 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 140 static u64 eth_dmamask = DMA_BIT_MASK(32);
 141 static struct at91_eth_data eth_data;
 142
 143 static struct resource eth_resources[] = {
 144         [0] = {
 145                 .start  = AT91SAM9263_BASE_EMAC,
 146                 .end    = AT91SAM9263_BASE_EMAC + SZ_16K - 1,
 147                 .flags  = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start  = AT91SAM9263_ID_EMAC,
 151                 .end    = AT91SAM9263_ID_EMAC,
 152                 .flags  = IORESOURCE_IRQ,
 153         },
 154 };
 155
 156 static struct platform_device at91sam9263_eth_device = {
 157         .name           = "macb",
 158         .id             = -1,
 159         .dev            = {
 160                                 .dma_mask               = &eth_dmamask,
 161                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 162                                 .platform_data          = &eth_data,
 163         },
 164         .resource       = eth_resources,
 165         .num_resources  = ARRAY_SIZE(eth_resources),
 166 };
 167
 168 void __init at91_add_device_eth(struct at91_eth_data *data)
 169 {
 170         if (!data)
 171                 return;
 172
 173         if (data->phy_irq_pin) {
 174                 at91_set_gpio_input(data->phy_irq_pin, 0);
 175                 at91_set_deglitch(data->phy_irq_pin, 1);
 176         }
 177
 178         /* Pins used for MII and RMII */
 179         at91_set_A_periph(AT91_PIN_PE21, 0);    /* ETXCK_EREFCK */
 180         at91_set_B_periph(AT91_PIN_PC25, 0);    /* ERXDV */
 181         at91_set_A_periph(AT91_PIN_PE25, 0);    /* ERX0 */
 182         at91_set_A_periph(AT91_PIN_PE26, 0);    /* ERX1 */
 183         at91_set_A_periph(AT91_PIN_PE27, 0);    /* ERXER */
 184         at91_set_A_periph(AT91_PIN_PE28, 0);    /* ETXEN */
 185         at91_set_A_periph(AT91_PIN_PE23, 0);    /* ETX0 */
 186         at91_set_A_periph(AT91_PIN_PE24, 0);    /* ETX1 */
 187         at91_set_A_periph(AT91_PIN_PE30, 0);    /* EMDIO */
 188         at91_set_A_periph(AT91_PIN_PE29, 0);    /* EMDC */
 189
 190         if (!data->is_rmii) {
 191                 at91_set_A_periph(AT91_PIN_PE22, 0);    /* ECRS */
 192                 at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
 193                 at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
 194                 at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
 195                 at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
 196                 at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
 197                 at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
 198                 at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
 199         }
 200
 201         eth_data = *data;
 202         platform_device_register(&at91sam9263_eth_device);
 203 }
 204 #else
 205 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 206 #endif
 207
 208
 209 /* --------------------------------------------------------------------
 210  *  MMC / SD
 211  * -------------------------------------------------------------------- */
 212
 213 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 214 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 215 static struct at91_mmc_data mmc0_data, mmc1_data;
 216
 217 static struct resource mmc0_resources[] = {
 218         [0] = {
 219                 .start  = AT91SAM9263_BASE_MCI0,
 220                 .end    = AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
 221                 .flags  = IORESOURCE_MEM,
 222         },
 223         [1] = {
 224                 .start  = AT91SAM9263_ID_MCI0,
 225                 .end    = AT91SAM9263_ID_MCI0,
 226                 .flags  = IORESOURCE_IRQ,
 227         },
 228 };
 229
 230 static struct platform_device at91sam9263_mmc0_device = {
 231         .name           = "at91_mci",
 232         .id             = 0,
 233         .dev            = {
 234                                 .dma_mask               = &mmc_dmamask,
 235                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 236                                 .platform_data          = &mmc0_data,
 237         },
 238         .resource       = mmc0_resources,
 239         .num_resources  = ARRAY_SIZE(mmc0_resources),
 240 };
 241
 242 static struct resource mmc1_resources[] = {
 243         [0] = {
 244                 .start  = AT91SAM9263_BASE_MCI1,
 245                 .end    = AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
 246                 .flags  = IORESOURCE_MEM,
 247         },
 248         [1] = {
 249                 .start  = AT91SAM9263_ID_MCI1,
 250                 .end    = AT91SAM9263_ID_MCI1,
 251                 .flags  = IORESOURCE_IRQ,
 252         },
 253 };
 254
 255 static struct platform_device at91sam9263_mmc1_device = {
 256         .name           = "at91_mci",
 257         .id             = 1,
 258         .dev            = {
 259                                 .dma_mask               = &mmc_dmamask,
 260                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 261                                 .platform_data          = &mmc1_data,
 262         },
 263         .resource       = mmc1_resources,
 264         .num_resources  = ARRAY_SIZE(mmc1_resources),
 265 };
 266
 267 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 268 {
 269         if (!data)
 270                 return;
 271
 272         /* input/irq */
 273         if (data->det_pin) {
 274                 at91_set_gpio_input(data->det_pin, 1);
 275                 at91_set_deglitch(data->det_pin, 1);
 276         }
 277         if (data->wp_pin)
 278                 at91_set_gpio_input(data->wp_pin, 1);
 279         if (data->vcc_pin)
 280                 at91_set_gpio_output(data->vcc_pin, 0);
 281
 282         if (mmc_id == 0) {              /* MCI0 */
 283                 /* CLK */
 284                 at91_set_A_periph(AT91_PIN_PA12, 0);
 285
 286                 if (data->slot_b) {
 287                         /* CMD */
 288                         at91_set_A_periph(AT91_PIN_PA16, 1);
 289
 290                         /* DAT0, maybe DAT1..DAT3 */
 291                         at91_set_A_periph(AT91_PIN_PA17, 1);
 292                         if (data->wire4) {
 293                                 at91_set_A_periph(AT91_PIN_PA18, 1);
 294                                 at91_set_A_periph(AT91_PIN_PA19, 1);
 295                                 at91_set_A_periph(AT91_PIN_PA20, 1);
 296                         }
 297                 } else {
 298                         /* CMD */
 299                         at91_set_A_periph(AT91_PIN_PA1, 1);
 300
 301                         /* DAT0, maybe DAT1..DAT3 */
 302                         at91_set_A_periph(AT91_PIN_PA0, 1);
 303                         if (data->wire4) {
 304                                 at91_set_A_periph(AT91_PIN_PA3, 1);
 305                                 at91_set_A_periph(AT91_PIN_PA4, 1);
 306                                 at91_set_A_periph(AT91_PIN_PA5, 1);
 307                         }
 308                 }
 309
 310                 mmc0_data = *data;
 311                 at91_clock_associate("mci0_clk", &at91sam9263_mmc0_device.dev, "mci_clk");
 312                 platform_device_register(&at91sam9263_mmc0_device);
 313         } else {                        /* MCI1 */
 314                 /* CLK */
 315                 at91_set_A_periph(AT91_PIN_PA6, 0);
 316
 317                 if (data->slot_b) {
 318                         /* CMD */
 319                         at91_set_A_periph(AT91_PIN_PA21, 1);
 320
 321                         /* DAT0, maybe DAT1..DAT3 */
 322                         at91_set_A_periph(AT91_PIN_PA22, 1);
 323                         if (data->wire4) {
 324                                 at91_set_A_periph(AT91_PIN_PA23, 1);
 325                                 at91_set_A_periph(AT91_PIN_PA24, 1);
 326                                 at91_set_A_periph(AT91_PIN_PA25, 1);
 327                         }
 328                 } else {
 329                         /* CMD */
 330                         at91_set_A_periph(AT91_PIN_PA7, 1);
 331
 332                         /* DAT0, maybe DAT1..DAT3 */
 333                         at91_set_A_periph(AT91_PIN_PA8, 1);
 334                         if (data->wire4) {
 335                                 at91_set_A_periph(AT91_PIN_PA9, 1);
 336                                 at91_set_A_periph(AT91_PIN_PA10, 1);
 337                                 at91_set_A_periph(AT91_PIN_PA11, 1);
 338                         }
 339                 }
 340
 341                 mmc1_data = *data;
 342                 at91_clock_associate("mci1_clk", &at91sam9263_mmc1_device.dev, "mci_clk");
 343                 platform_device_register(&at91sam9263_mmc1_device);
 344         }
 345 }
 346 #else
 347 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 348 #endif
 349
 350
 351 /* --------------------------------------------------------------------
 352  *  NAND / SmartMedia
 353  * -------------------------------------------------------------------- */
 354
 355 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 356 static struct atmel_nand_data nand_data;
 357
 358 #define NAND_BASE       AT91_CHIPSELECT_3
 359
 360 static struct resource nand_resources[] = {
 361         [0] = {
 362                 .start  = NAND_BASE,
 363                 .end    = NAND_BASE + SZ_256M - 1,
 364                 .flags  = IORESOURCE_MEM,
 365         },
 366         [1] = {
 367                 .start  = AT91_BASE_SYS + AT91_ECC0,
 368                 .end    = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
 369                 .flags  = IORESOURCE_MEM,
 370         }
 371 };
 372
 373 static struct platform_device at91sam9263_nand_device = {
 374         .name           = "atmel_nand",
 375         .id             = -1,
 376         .dev            = {
 377                                 .platform_data  = &nand_data,
 378         },
 379         .resource       = nand_resources,
 380         .num_resources  = ARRAY_SIZE(nand_resources),
 381 };
 382
 383 void __init at91_add_device_nand(struct atmel_nand_data *data)
 384 {
 385         unsigned long csa, mode;
 386
 387         if (!data)
 388                 return;
 389
 390         csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
 391         at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 392
 393         /* set the bus interface characteristics */
 394         at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
 395                         | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
 396
 397         at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
 398                         | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
 399
 400         at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
 401
 402         if (data->bus_width_16)
 403                 mode = AT91_SMC_DBW_16;
 404         else
 405                 mode = AT91_SMC_DBW_8;
 406         at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
 407
 408         /* enable pin */
 409         if (data->enable_pin)
 410                 at91_set_gpio_output(data->enable_pin, 1);
 411
 412         /* ready/busy pin */
 413         if (data->rdy_pin)
 414                 at91_set_gpio_input(data->rdy_pin, 1);
 415
 416         /* card detect pin */
 417         if (data->det_pin)
 418                 at91_set_gpio_input(data->det_pin, 1);
 419
 420         nand_data = *data;
 421         platform_device_register(&at91sam9263_nand_device);
 422 }
 423 #else
 424 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 425 #endif
 426
 427
 428 /* --------------------------------------------------------------------
 429  *  TWI (i2c)
 430  * -------------------------------------------------------------------- */
 431
 432 /*
 433  * Prefer the GPIO code since the TWI controller isn't robust
 434  * (gets overruns and underruns under load) and can only issue
 435  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 436  */
 437 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 438
 439 static struct i2c_gpio_platform_data pdata = {
 440         .sda_pin                = AT91_PIN_PB4,
 441         .sda_is_open_drain      = 1,
 442         .scl_pin                = AT91_PIN_PB5,
 443         .scl_is_open_drain      = 1,
 444         .udelay                 = 2,            /* ~100 kHz */
 445 };
 446
 447 static struct platform_device at91sam9263_twi_device = {
 448         .name                   = "i2c-gpio",
 449         .id                     = -1,
 450         .dev.platform_data      = &pdata,
 451 };
 452
 453 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 454 {
 455         at91_set_GPIO_periph(AT91_PIN_PB4, 1);          /* TWD (SDA) */
 456         at91_set_multi_drive(AT91_PIN_PB4, 1);
 457
 458         at91_set_GPIO_periph(AT91_PIN_PB5, 1);          /* TWCK (SCL) */
 459         at91_set_multi_drive(AT91_PIN_PB5, 1);
 460
 461         i2c_register_board_info(0, devices, nr_devices);
 462         platform_device_register(&at91sam9263_twi_device);
 463 }
 464
 465 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 466
 467 static struct resource twi_resources[] = {
 468         [0] = {
 469                 .start  = AT91SAM9263_BASE_TWI,
 470                 .end    = AT91SAM9263_BASE_TWI + SZ_16K - 1,
 471                 .flags  = IORESOURCE_MEM,
 472         },
 473         [1] = {
 474                 .start  = AT91SAM9263_ID_TWI,
 475                 .end    = AT91SAM9263_ID_TWI,
 476                 .flags  = IORESOURCE_IRQ,
 477         },
 478 };
 479
 480 static struct platform_device at91sam9263_twi_device = {
 481         .name           = "at91_i2c",
 482         .id             = -1,
 483         .resource       = twi_resources,
 484         .num_resources  = ARRAY_SIZE(twi_resources),
 485 };
 486
 487 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 488 {
 489         /* pins used for TWI interface */
 490         at91_set_A_periph(AT91_PIN_PB4, 0);             /* TWD */
 491         at91_set_multi_drive(AT91_PIN_PB4, 1);
 492
 493         at91_set_A_periph(AT91_PIN_PB5, 0);             /* TWCK */
 494         at91_set_multi_drive(AT91_PIN_PB5, 1);
 495
 496         i2c_register_board_info(0, devices, nr_devices);
 497         platform_device_register(&at91sam9263_twi_device);
 498 }
 499 #else
 500 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 501 #endif
 502
 503
 504 /* --------------------------------------------------------------------
 505  *  SPI
 506  * -------------------------------------------------------------------- */
 507
 508 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 509 static u64 spi_dmamask = DMA_BIT_MASK(32);
 510
 511 static struct resource spi0_resources[] = {
 512         [0] = {
 513                 .start  = AT91SAM9263_BASE_SPI0,
 514                 .end    = AT91SAM9263_BASE_SPI0 + SZ_16K - 1,
 515                 .flags  = IORESOURCE_MEM,
 516         },
 517         [1] = {
 518                 .start  = AT91SAM9263_ID_SPI0,
 519                 .end    = AT91SAM9263_ID_SPI0,
 520                 .flags  = IORESOURCE_IRQ,
 521         },
 522 };
 523
 524 static struct platform_device at91sam9263_spi0_device = {
 525         .name           = "atmel_spi",
 526         .id             = 0,
 527         .dev            = {
 528                                 .dma_mask               = &spi_dmamask,
 529                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 530         },
 531         .resource       = spi0_resources,
 532         .num_resources  = ARRAY_SIZE(spi0_resources),
 533 };
 534
 535 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 };
 536
 537 static struct resource spi1_resources[] = {
 538         [0] = {
 539                 .start  = AT91SAM9263_BASE_SPI1,
 540                 .end    = AT91SAM9263_BASE_SPI1 + SZ_16K - 1,
 541                 .flags  = IORESOURCE_MEM,
 542         },
 543         [1] = {
 544                 .start  = AT91SAM9263_ID_SPI1,
 545                 .end    = AT91SAM9263_ID_SPI1,
 546                 .flags  = IORESOURCE_IRQ,
 547         },
 548 };
 549
 550 static struct platform_device at91sam9263_spi1_device = {
 551         .name           = "atmel_spi",
 552         .id             = 1,
 553         .dev            = {
 554                                 .dma_mask               = &spi_dmamask,
 555                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 556         },
 557         .resource       = spi1_resources,
 558         .num_resources  = ARRAY_SIZE(spi1_resources),
 559 };
 560
 561 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
 562
 563 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 564 {
 565         int i;
 566         unsigned long cs_pin;
 567         short enable_spi0 = 0;
 568         short enable_spi1 = 0;
 569
 570         /* Choose SPI chip-selects */
 571         for (i = 0; i < nr_devices; i++) {
 572                 if (devices[i].controller_data)
 573                         cs_pin = (unsigned long) devices[i].controller_data;
 574                 else if (devices[i].bus_num == 0)
 575                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 576                 else
 577                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 578
 579                 if (devices[i].bus_num == 0)
 580                         enable_spi0 = 1;
 581                 else
 582                         enable_spi1 = 1;
 583
 584                 /* enable chip-select pin */
 585                 at91_set_gpio_output(cs_pin, 1);
 586
 587                 /* pass chip-select pin to driver */
 588                 devices[i].controller_data = (void *) cs_pin;
 589         }
 590
 591         spi_register_board_info(devices, nr_devices);
 592
 593         /* Configure SPI bus(es) */
 594         if (enable_spi0) {
 595                 at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 596                 at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 597                 at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
 598
 599                 at91_clock_associate("spi0_clk", &at91sam9263_spi0_device.dev, "spi_clk");
 600                 platform_device_register(&at91sam9263_spi0_device);
 601         }
 602         if (enable_spi1) {
 603                 at91_set_A_periph(AT91_PIN_PB12, 0);    /* SPI1_MISO */
 604                 at91_set_A_periph(AT91_PIN_PB13, 0);    /* SPI1_MOSI */
 605                 at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_SPCK */
 606
 607                 at91_clock_associate("spi1_clk", &at91sam9263_spi1_device.dev, "spi_clk");
 608                 platform_device_register(&at91sam9263_spi1_device);
 609         }
 610 }
 611 #else
 612 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 613 #endif
 614
 615
 616 /* --------------------------------------------------------------------
 617  *  AC97
 618  * -------------------------------------------------------------------- */
 619
 620 #if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
 621 static u64 ac97_dmamask = DMA_BIT_MASK(32);
 622 static struct atmel_ac97_data ac97_data;
 623
 624 static struct resource ac97_resources[] = {
 625         [0] = {
 626                 .start  = AT91SAM9263_BASE_AC97C,
 627                 .end    = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
 628                 .flags  = IORESOURCE_MEM,
 629         },
 630         [1] = {
 631                 .start  = AT91SAM9263_ID_AC97C,
 632                 .end    = AT91SAM9263_ID_AC97C,
 633                 .flags  = IORESOURCE_IRQ,
 634         },
 635 };
 636
 637 static struct platform_device at91sam9263_ac97_device = {
 638         .name           = "ac97c",
 639         .id             = 1,
 640         .dev            = {
 641                                 .dma_mask               = &ac97_dmamask,
 642                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 643                                 .platform_data          = &ac97_data,
 644         },
 645         .resource       = ac97_resources,
 646         .num_resources  = ARRAY_SIZE(ac97_resources),
 647 };
 648
 649 void __init at91_add_device_ac97(struct atmel_ac97_data *data)
 650 {
 651         if (!data)
 652                 return;
 653
 654         at91_set_A_periph(AT91_PIN_PB0, 0);     /* AC97FS */
 655         at91_set_A_periph(AT91_PIN_PB1, 0);     /* AC97CK */
 656         at91_set_A_periph(AT91_PIN_PB2, 0);     /* AC97TX */
 657         at91_set_A_periph(AT91_PIN_PB3, 0);     /* AC97RX */
 658
 659         /* reset */
 660         if (data->reset_pin)
 661                 at91_set_gpio_output(data->reset_pin, 0);
 662
 663         ac97_data = *ek_data;
 664         platform_device_register(&at91sam9263_ac97_device);
 665 }
 666 #else
 667 void __init at91_add_device_ac97(struct atmel_ac97_data *data) {}
 668 #endif
 669
 670
 671 /* --------------------------------------------------------------------
 672  *  LCD Controller
 673  * -------------------------------------------------------------------- */
 674
 675 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 676 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 677 static struct atmel_lcdfb_info lcdc_data;
 678
 679 static struct resource lcdc_resources[] = {
 680         [0] = {
 681                 .start  = AT91SAM9263_LCDC_BASE,
 682                 .end    = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
 683                 .flags  = IORESOURCE_MEM,
 684         },
 685         [1] = {
 686                 .start  = AT91SAM9263_ID_LCDC,
 687                 .end    = AT91SAM9263_ID_LCDC,
 688                 .flags  = IORESOURCE_IRQ,
 689         },
 690 };
 691
 692 static struct platform_device at91_lcdc_device = {
 693         .name           = "atmel_lcdfb",
 694         .id             = 0,
 695         .dev            = {
 696                                 .dma_mask               = &lcdc_dmamask,
 697                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 698                                 .platform_data          = &lcdc_data,
 699         },
 700         .resource       = lcdc_resources,
 701         .num_resources  = ARRAY_SIZE(lcdc_resources),
 702 };
 703
 704 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
 705 {
 706         if (!data)
 707                 return;
 708
 709         at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 710         at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 711         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 712         at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 713         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 714         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 715         at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 716         at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 717         at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 718         at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 719         at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 720         at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 721         at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 722         at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD13 */
 723         at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 724         at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 725         at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 726         at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 727         at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 728         at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD21 */
 729         at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 730         at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 731
 732         lcdc_data = *data;
 733         platform_device_register(&at91_lcdc_device);
 734 }
 735 #else
 736 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 737 #endif
 738
 739
 740 /* --------------------------------------------------------------------
 741  *  Image Sensor Interface
 742  * -------------------------------------------------------------------- */
 743
 744 #if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
 745
 746 struct resource isi_resources[] = {
 747         [0] = {
 748                 .start  = AT91SAM9263_BASE_ISI,
 749                 .end    = AT91SAM9263_BASE_ISI + SZ_16K - 1,
 750                 .flags  = IORESOURCE_MEM,
 751         },
 752         [1] = {
 753                 .start  = AT91SAM9263_ID_ISI,
 754                 .end    = AT91SAM9263_ID_ISI,
 755                 .flags  = IORESOURCE_IRQ,
 756         },
 757 };
 758
 759 static struct platform_device at91sam9263_isi_device = {
 760         .name           = "at91_isi",
 761         .id             = -1,
 762         .resource       = isi_resources,
 763         .num_resources  = ARRAY_SIZE(isi_resources),
 764 };
 765
 766 void __init at91_add_device_isi(void)
 767 {
 768         at91_set_A_periph(AT91_PIN_PE0, 0);     /* ISI_D0 */
 769         at91_set_A_periph(AT91_PIN_PE1, 0);     /* ISI_D1 */
 770         at91_set_A_periph(AT91_PIN_PE2, 0);     /* ISI_D2 */
 771         at91_set_A_periph(AT91_PIN_PE3, 0);     /* ISI_D3 */
 772         at91_set_A_periph(AT91_PIN_PE4, 0);     /* ISI_D4 */
 773         at91_set_A_periph(AT91_PIN_PE5, 0);     /* ISI_D5 */
 774         at91_set_A_periph(AT91_PIN_PE6, 0);     /* ISI_D6 */
 775         at91_set_A_periph(AT91_PIN_PE7, 0);     /* ISI_D7 */
 776         at91_set_A_periph(AT91_PIN_PE8, 0);     /* ISI_PCK */
 777         at91_set_A_periph(AT91_PIN_PE9, 0);     /* ISI_HSYNC */
 778         at91_set_A_periph(AT91_PIN_PE10, 0);    /* ISI_VSYNC */
 779         at91_set_B_periph(AT91_PIN_PE11, 0);    /* ISI_MCK (PCK3) */
 780         at91_set_B_periph(AT91_PIN_PE12, 0);    /* ISI_PD8 */
 781         at91_set_B_periph(AT91_PIN_PE13, 0);    /* ISI_PD9 */
 782         at91_set_B_periph(AT91_PIN_PE14, 0);    /* ISI_PD10 */
 783         at91_set_B_periph(AT91_PIN_PE15, 0);    /* ISI_PD11 */
 784 }
 785 #else
 786 void __init at91_add_device_isi(void) {}
 787 #endif
 788
 789
 790 /* --------------------------------------------------------------------
 791  *  Timer/Counter block
 792  * -------------------------------------------------------------------- */
 793
 794 #ifdef CONFIG_ATMEL_TCLIB
 795
 796 static struct resource tcb_resources[] = {
 797         [0] = {
 798                 .start  = AT91SAM9263_BASE_TCB0,
 799                 .end    = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
 800                 .flags  = IORESOURCE_MEM,
 801         },
 802         [1] = {
 803                 .start  = AT91SAM9263_ID_TCB,
 804                 .end    = AT91SAM9263_ID_TCB,
 805                 .flags  = IORESOURCE_IRQ,
 806         },
 807 };
 808
 809 static struct platform_device at91sam9263_tcb_device = {
 810         .name           = "atmel_tcb",
 811         .id             = 0,
 812         .resource       = tcb_resources,
 813         .num_resources  = ARRAY_SIZE(tcb_resources),
 814 };
 815
 816 static void __init at91_add_device_tc(void)
 817 {
 818         /* this chip has one clock and irq for all three TC channels */
 819         at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
 820         platform_device_register(&at91sam9263_tcb_device);
 821 }
 822 #else
 823 static void __init at91_add_device_tc(void) { }
 824 #endif
 825
 826
 827 /* --------------------------------------------------------------------
 828  *  RTT
 829  * -------------------------------------------------------------------- */
 830
 831 static struct resource rtt0_resources[] = {
 832         {
 833                 .start  = AT91_BASE_SYS + AT91_RTT0,
 834                 .end    = AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
 835                 .flags  = IORESOURCE_MEM,
 836         }
 837 };
 838
 839 static struct platform_device at91sam9263_rtt0_device = {
 840         .name           = "at91_rtt",
 841         .id             = 0,
 842         .resource       = rtt0_resources,
 843         .num_resources  = ARRAY_SIZE(rtt0_resources),
 844 };
 845
 846 static struct resource rtt1_resources[] = {
 847         {
 848                 .start  = AT91_BASE_SYS + AT91_RTT1,
 849                 .end    = AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
 850                 .flags  = IORESOURCE_MEM,
 851         }
 852 };
 853
 854 static struct platform_device at91sam9263_rtt1_device = {
 855         .name           = "at91_rtt",
 856         .id             = 1,
 857         .resource       = rtt1_resources,
 858         .num_resources  = ARRAY_SIZE(rtt1_resources),
 859 };
 860
 861 static void __init at91_add_device_rtt(void)
 862 {
 863         platform_device_register(&at91sam9263_rtt0_device);
 864         platform_device_register(&at91sam9263_rtt1_device);
 865 }
 866
 867
 868 /* --------------------------------------------------------------------
 869  *  Watchdog
 870  * -------------------------------------------------------------------- */
 871
 872 #if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
 873 static struct platform_device at91sam9263_wdt_device = {
 874         .name           = "at91_wdt",
 875         .id             = -1,
 876         .num_resources  = 0,
 877 };
 878
 879 static void __init at91_add_device_watchdog(void)
 880 {
 881         platform_device_register(&at91sam9263_wdt_device);
 882 }
 883 #else
 884 static void __init at91_add_device_watchdog(void) {}
 885 #endif
 886
 887
 888 /* --------------------------------------------------------------------
 889  *  PWM
 890  * --------------------------------------------------------------------*/
 891
 892 #if defined(CONFIG_ATMEL_PWM)
 893 static u32 pwm_mask;
 894
 895 static struct resource pwm_resources[] = {
 896         [0] = {
 897                 .start  = AT91SAM9263_BASE_PWMC,
 898                 .end    = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
 899                 .flags  = IORESOURCE_MEM,
 900         },
 901         [1] = {
 902                 .start  = AT91SAM9263_ID_PWMC,
 903                 .end    = AT91SAM9263_ID_PWMC,
 904                 .flags  = IORESOURCE_IRQ,
 905         },
 906 };
 907
 908 static struct platform_device at91sam9263_pwm0_device = {
 909         .name   = "atmel_pwm",
 910         .id     = -1,
 911         .dev    = {
 912                 .platform_data          = &pwm_mask,
 913         },
 914         .resource       = pwm_resources,
 915         .num_resources  = ARRAY_SIZE(pwm_resources),
 916 };
 917
 918 void __init at91_add_device_pwm(u32 mask)
 919 {
 920         if (mask & (1 << AT91_PWM0))
 921                 at91_set_B_periph(AT91_PIN_PB7, 1);     /* enable PWM0 */
 922
 923         if (mask & (1 << AT91_PWM1))
 924                 at91_set_B_periph(AT91_PIN_PB8, 1);     /* enable PWM1 */
 925
 926         if (mask & (1 << AT91_PWM2))
 927                 at91_set_B_periph(AT91_PIN_PC29, 1);    /* enable PWM2 */
 928
 929         if (mask & (1 << AT91_PWM3))
 930                 at91_set_B_periph(AT91_PIN_PB29, 1);    /* enable PWM3 */
 931
 932         pwm_mask = mask;
 933
 934         platform_device_register(&at91sam9263_pwm0_device);
 935 }
 936 #else
 937 void __init at91_add_device_pwm(u32 mask) {}
 938 #endif
 939
 940
 941 /* --------------------------------------------------------------------
 942  *  SSC -- Synchronous Serial Controller
 943  * -------------------------------------------------------------------- */
 944
 945 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 946 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
 947
 948 static struct resource ssc0_resources[] = {
 949         [0] = {
 950                 .start  = AT91SAM9263_BASE_SSC0,
 951                 .end    = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
 952                 .flags  = IORESOURCE_MEM,
 953         },
 954         [1] = {
 955                 .start  = AT91SAM9263_ID_SSC0,
 956                 .end    = AT91SAM9263_ID_SSC0,
 957                 .flags  = IORESOURCE_IRQ,
 958         },
 959 };
 960
 961 static struct platform_device at91sam9263_ssc0_device = {
 962         .name   = "ssc",
 963         .id     = 0,
 964         .dev    = {
 965                 .dma_mask               = &ssc0_dmamask,
 966                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 967         },
 968         .resource       = ssc0_resources,
 969         .num_resources  = ARRAY_SIZE(ssc0_resources),
 970 };
 971
 972 static inline void configure_ssc0_pins(unsigned pins)
 973 {
 974         if (pins & ATMEL_SSC_TF)
 975                 at91_set_B_periph(AT91_PIN_PB0, 1);
 976         if (pins & ATMEL_SSC_TK)
 977                 at91_set_B_periph(AT91_PIN_PB1, 1);
 978         if (pins & ATMEL_SSC_TD)
 979                 at91_set_B_periph(AT91_PIN_PB2, 1);
 980         if (pins & ATMEL_SSC_RD)
 981                 at91_set_B_periph(AT91_PIN_PB3, 1);
 982         if (pins & ATMEL_SSC_RK)
 983                 at91_set_B_periph(AT91_PIN_PB4, 1);
 984         if (pins & ATMEL_SSC_RF)
 985                 at91_set_B_periph(AT91_PIN_PB5, 1);
 986 }
 987
 988 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
 989
 990 static struct resource ssc1_resources[] = {
 991         [0] = {
 992                 .start  = AT91SAM9263_BASE_SSC1,
 993                 .end    = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
 994                 .flags  = IORESOURCE_MEM,
 995         },
 996         [1] = {
 997                 .start  = AT91SAM9263_ID_SSC1,
 998                 .end    = AT91SAM9263_ID_SSC1,
 999                 .flags  = IORESOURCE_IRQ,
1000         },
1001 };
1002
1003 static struct platform_device at91sam9263_ssc1_device = {
1004         .name   = "ssc",
1005         .id     = 1,
1006         .dev    = {
1007                 .dma_mask               = &ssc1_dmamask,
1008                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1009         },
1010         .resource       = ssc1_resources,
1011         .num_resources  = ARRAY_SIZE(ssc1_resources),
1012 };
1013
1014 static inline void configure_ssc1_pins(unsigned pins)
1015 {
1016         if (pins & ATMEL_SSC_TF)
1017                 at91_set_A_periph(AT91_PIN_PB6, 1);
1018         if (pins & ATMEL_SSC_TK)
1019                 at91_set_A_periph(AT91_PIN_PB7, 1);
1020         if (pins & ATMEL_SSC_TD)
1021                 at91_set_A_periph(AT91_PIN_PB8, 1);
1022         if (pins & ATMEL_SSC_RD)
1023                 at91_set_A_periph(AT91_PIN_PB9, 1);
1024         if (pins & ATMEL_SSC_RK)
1025                 at91_set_A_periph(AT91_PIN_PB10, 1);
1026         if (pins & ATMEL_SSC_RF)
1027                 at91_set_A_periph(AT91_PIN_PB11, 1);
1028 }
1029
1030 /*
1031  * SSC controllers are accessed through library code, instead of any
1032  * kind of all-singing/all-dancing driver.  For example one could be
1033  * used by a particular I2S audio codec's driver, while another one
1034  * on the same system might be used by a custom data capture driver.
1035  */
1036 void __init at91_add_device_ssc(unsigned id, unsigned pins)
1037 {
1038         struct platform_device *pdev;
1039
1040         /*
1041          * NOTE: caller is responsible for passing information matching
1042          * "pins" to whatever will be using each particular controller.
1043          */
1044         switch (id) {
1045         case AT91SAM9263_ID_SSC0:
1046                 pdev = &at91sam9263_ssc0_device;
1047                 configure_ssc0_pins(pins);
1048                 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
1049                 break;
1050         case AT91SAM9263_ID_SSC1:
1051                 pdev = &at91sam9263_ssc1_device;
1052                 configure_ssc1_pins(pins);
1053                 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
1054                 break;
1055         default:
1056                 return;
1057         }
1058
1059         platform_device_register(pdev);
1060 }
1061
1062 #else
1063 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1064 #endif
1065
1066
1067 /* --------------------------------------------------------------------
1068  *  UART
1069  * -------------------------------------------------------------------- */
1070
1071 #if defined(CONFIG_SERIAL_ATMEL)
1072
1073 static struct resource dbgu_resources[] = {
1074         [0] = {
1075                 .start  = AT91_VA_BASE_SYS + AT91_DBGU,
1076                 .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
1077                 .flags  = IORESOURCE_MEM,
1078         },
1079         [1] = {
1080                 .start  = AT91_ID_SYS,
1081                 .end    = AT91_ID_SYS,
1082                 .flags  = IORESOURCE_IRQ,
1083         },
1084 };
1085
1086 static struct atmel_uart_data dbgu_data = {
1087         .use_dma_tx     = 0,
1088         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
1089         .regs           = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
1090 };
1091
1092 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1093
1094 static struct platform_device at91sam9263_dbgu_device = {
1095         .name           = "atmel_usart",
1096         .id             = 0,
1097         .dev            = {
1098                                 .dma_mask               = &dbgu_dmamask,
1099                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1100                                 .platform_data          = &dbgu_data,
1101         },
1102         .resource       = dbgu_resources,
1103         .num_resources  = ARRAY_SIZE(dbgu_resources),
1104 };
1105
1106 static inline void configure_dbgu_pins(void)
1107 {
1108         at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
1109         at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
1110 }
1111
1112 static struct resource uart0_resources[] = {
1113         [0] = {
1114                 .start  = AT91SAM9263_BASE_US0,
1115                 .end    = AT91SAM9263_BASE_US0 + SZ_16K - 1,
1116                 .flags  = IORESOURCE_MEM,
1117         },
1118         [1] = {
1119                 .start  = AT91SAM9263_ID_US0,
1120                 .end    = AT91SAM9263_ID_US0,
1121                 .flags  = IORESOURCE_IRQ,
1122         },
1123 };
1124
1125 static struct atmel_uart_data uart0_data = {
1126         .use_dma_tx     = 1,
1127         .use_dma_rx     = 1,
1128 };
1129
1130 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1131
1132 static struct platform_device at91sam9263_uart0_device = {
1133         .name           = "atmel_usart",
1134         .id             = 1,
1135         .dev            = {
1136                                 .dma_mask               = &uart0_dmamask,
1137                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1138                                 .platform_data          = &uart0_data,
1139         },
1140         .resource       = uart0_resources,
1141         .num_resources  = ARRAY_SIZE(uart0_resources),
1142 };
1143
1144 static inline void configure_usart0_pins(unsigned pins)
1145 {
1146         at91_set_A_periph(AT91_PIN_PA26, 1);            /* TXD0 */
1147         at91_set_A_periph(AT91_PIN_PA27, 0);            /* RXD0 */
1148
1149         if (pins & ATMEL_UART_RTS)
1150                 at91_set_A_periph(AT91_PIN_PA28, 0);    /* RTS0 */
1151         if (pins & ATMEL_UART_CTS)
1152                 at91_set_A_periph(AT91_PIN_PA29, 0);    /* CTS0 */
1153 }
1154
1155 static struct resource uart1_resources[] = {
1156         [0] = {
1157                 .start  = AT91SAM9263_BASE_US1,
1158                 .end    = AT91SAM9263_BASE_US1 + SZ_16K - 1,
1159                 .flags  = IORESOURCE_MEM,
1160         },
1161         [1] = {
1162                 .start  = AT91SAM9263_ID_US1,
1163                 .end    = AT91SAM9263_ID_US1,
1164                 .flags  = IORESOURCE_IRQ,
1165         },
1166 };
1167
1168 static struct atmel_uart_data uart1_data = {
1169         .use_dma_tx     = 1,
1170         .use_dma_rx     = 1,
1171 };
1172
1173 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1174
1175 static struct platform_device at91sam9263_uart1_device = {
1176         .name           = "atmel_usart",
1177         .id             = 2,
1178         .dev            = {
1179                                 .dma_mask               = &uart1_dmamask,
1180                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1181                                 .platform_data          = &uart1_data,
1182         },
1183         .resource       = uart1_resources,
1184         .num_resources  = ARRAY_SIZE(uart1_resources),
1185 };
1186
1187 static inline void configure_usart1_pins(unsigned pins)
1188 {
1189         at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
1190         at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
1191
1192         if (pins & ATMEL_UART_RTS)
1193                 at91_set_B_periph(AT91_PIN_PD7, 0);     /* RTS1 */
1194         if (pins & ATMEL_UART_CTS)
1195                 at91_set_B_periph(AT91_PIN_PD8, 0);     /* CTS1 */
1196 }
1197
1198 static struct resource uart2_resources[] = {
1199         [0] = {
1200                 .start  = AT91SAM9263_BASE_US2,
1201                 .end    = AT91SAM9263_BASE_US2 + SZ_16K - 1,
1202                 .flags  = IORESOURCE_MEM,
1203         },
1204         [1] = {
1205                 .start  = AT91SAM9263_ID_US2,
1206                 .end    = AT91SAM9263_ID_US2,
1207                 .flags  = IORESOURCE_IRQ,
1208         },
1209 };
1210
1211 static struct atmel_uart_data uart2_data = {
1212         .use_dma_tx     = 1,
1213         .use_dma_rx     = 1,
1214 };
1215
1216 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1217
1218 static struct platform_device at91sam9263_uart2_device = {
1219         .name           = "atmel_usart",
1220         .id             = 3,
1221         .dev            = {
1222                                 .dma_mask               = &uart2_dmamask,
1223                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1224                                 .platform_data          = &uart2_data,
1225         },
1226         .resource       = uart2_resources,
1227         .num_resources  = ARRAY_SIZE(uart2_resources),
1228 };
1229
1230 static inline void configure_usart2_pins(unsigned pins)
1231 {
1232         at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
1233         at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
1234
1235         if (pins & ATMEL_UART_RTS)
1236                 at91_set_B_periph(AT91_PIN_PD5, 0);     /* RTS2 */
1237         if (pins & ATMEL_UART_CTS)
1238                 at91_set_B_periph(AT91_PIN_PD6, 0);     /* CTS2 */
1239 }
1240
1241 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1242 struct platform_device *atmel_default_console_device;   /* the serial console device */
1243
1244 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1245 {
1246         struct platform_device *pdev;
1247
1248         switch (id) {
1249                 case 0:         /* DBGU */
1250                         pdev = &at91sam9263_dbgu_device;
1251                         configure_dbgu_pins();
1252                         at91_clock_associate("mck", &pdev->dev, "usart");
1253                         break;
1254                 case AT91SAM9263_ID_US0:
1255                         pdev = &at91sam9263_uart0_device;
1256                         configure_usart0_pins(pins);
1257                         at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1258                         break;
1259                 case AT91SAM9263_ID_US1:
1260                         pdev = &at91sam9263_uart1_device;
1261                         configure_usart1_pins(pins);
1262                         at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1263                         break;
1264                 case AT91SAM9263_ID_US2:
1265                         pdev = &at91sam9263_uart2_device;
1266                         configure_usart2_pins(pins);
1267                         at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1268                         break;
1269                 default:
1270                         return;
1271         }
1272         pdev->id = portnr;              /* update to mapped ID */
1273
1274         if (portnr < ATMEL_MAX_UART)
1275                 at91_uarts[portnr] = pdev;
1276 }
1277
1278 void __init at91_set_serial_console(unsigned portnr)
1279 {
1280         if (portnr < ATMEL_MAX_UART)
1281                 atmel_default_console_device = at91_uarts[portnr];
1282 }
1283
1284 void __init at91_add_device_serial(void)
1285 {
1286         int i;
1287
1288         for (i = 0; i < ATMEL_MAX_UART; i++) {
1289                 if (at91_uarts[i])
1290                         platform_device_register(at91_uarts[i]);
1291         }
1292
1293         if (!atmel_default_console_device)
1294                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1295 }
1296 #else
1297 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1298 void __init at91_set_serial_console(unsigned portnr) {}
1299 void __init at91_add_device_serial(void) {}
1300 #endif
1301
1302
1303 /* -------------------------------------------------------------------- */
1304 /*
1305  * These devices are always present and don't need any board-specific
1306  * setup.
1307  */
1308 static int __init at91_add_standard_devices(void)
1309 {
1310         at91_add_device_rtt();
1311         at91_add_device_watchdog();
1312         at91_add_device_tc();
1313         return 0;
1314 }
1315
1316 arch_initcall(at91_add_standard_devices);