arch/arm/mach-at91/at91cap9_devices.c

   1 /*
   2  * arch/arm/mach-at91/at91cap9_devices.c
   3  *
   4  *  Copyright (C) 2007 Stelian Pop <stelian.pop@leadtechdesign.com>
   5  *  Copyright (C) 2007 Lead Tech Design <www.leadtechdesign.com>
   6  *  Copyright (C) 2007 Atmel Corporation.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  */
  14 #include <asm/mach/arch.h>
  15 #include <asm/mach/map.h>
  16
  17 #include <linux/dma-mapping.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/mtd/physmap.h>
  20
  21 #include <video/atmel_lcdc.h>
  22
  23 #include <asm/arch/board.h>
  24 #include <asm/arch/gpio.h>
  25 #include <asm/arch/at91cap9.h>
  26 #include <asm/arch/at91sam926x_mc.h>
  27 #include <asm/arch/at91cap9_matrix.h>
  28
  29 #include "generic.h"
  30
  31
  32 /* --------------------------------------------------------------------
  33  *  USB Host
  34  * -------------------------------------------------------------------- */
  35
  36 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  37 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  38 static struct at91_usbh_data usbh_data;
  39
  40 static struct resource usbh_resources[] = {
  41         [0] = {
  42                 .start  = AT91CAP9_UHP_BASE,
  43                 .end    = AT91CAP9_UHP_BASE + SZ_1M - 1,
  44                 .flags  = IORESOURCE_MEM,
  45         },
  46         [1] = {
  47                 .start  = AT91CAP9_ID_UHP,
  48                 .end    = AT91CAP9_ID_UHP,
  49                 .flags  = IORESOURCE_IRQ,
  50         },
  51 };
  52
  53 static struct platform_device at91_usbh_device = {
  54         .name           = "at91_ohci",
  55         .id             = -1,
  56         .dev            = {
  57                                 .dma_mask               = &ohci_dmamask,
  58                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  59                                 .platform_data          = &usbh_data,
  60         },
  61         .resource       = usbh_resources,
  62         .num_resources  = ARRAY_SIZE(usbh_resources),
  63 };
  64
  65 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  66 {
  67         int i;
  68
  69         if (!data)
  70                 return;
  71
  72         /* Enable VBus control for UHP ports */
  73         for (i = 0; i < data->ports; i++) {
  74                 if (data->vbus_pin[i])
  75                         at91_set_gpio_output(data->vbus_pin[i], 0);
  76         }
  77
  78         usbh_data = *data;
  79         platform_device_register(&at91_usbh_device);
  80 }
  81 #else
  82 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  83 #endif
  84
  85
  86 /* --------------------------------------------------------------------
  87  *  Ethernet
  88  * -------------------------------------------------------------------- */
  89
  90 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
  91 static u64 eth_dmamask = DMA_BIT_MASK(32);
  92 static struct at91_eth_data eth_data;
  93
  94 static struct resource eth_resources[] = {
  95         [0] = {
  96                 .start  = AT91CAP9_BASE_EMAC,
  97                 .end    = AT91CAP9_BASE_EMAC + SZ_16K - 1,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = AT91CAP9_ID_EMAC,
 102                 .end    = AT91CAP9_ID_EMAC,
 103                 .flags  = IORESOURCE_IRQ,
 104         },
 105 };
 106
 107 static struct platform_device at91cap9_eth_device = {
 108         .name           = "macb",
 109         .id             = -1,
 110         .dev            = {
 111                                 .dma_mask               = &eth_dmamask,
 112                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 113                                 .platform_data          = &eth_data,
 114         },
 115         .resource       = eth_resources,
 116         .num_resources  = ARRAY_SIZE(eth_resources),
 117 };
 118
 119 void __init at91_add_device_eth(struct at91_eth_data *data)
 120 {
 121         if (!data)
 122                 return;
 123
 124         if (data->phy_irq_pin) {
 125                 at91_set_gpio_input(data->phy_irq_pin, 0);
 126                 at91_set_deglitch(data->phy_irq_pin, 1);
 127         }
 128
 129         /* Pins used for MII and RMII */
 130         at91_set_A_periph(AT91_PIN_PB21, 0);    /* ETXCK_EREFCK */
 131         at91_set_A_periph(AT91_PIN_PB22, 0);    /* ERXDV */
 132         at91_set_A_periph(AT91_PIN_PB25, 0);    /* ERX0 */
 133         at91_set_A_periph(AT91_PIN_PB26, 0);    /* ERX1 */
 134         at91_set_A_periph(AT91_PIN_PB27, 0);    /* ERXER */
 135         at91_set_A_periph(AT91_PIN_PB28, 0);    /* ETXEN */
 136         at91_set_A_periph(AT91_PIN_PB23, 0);    /* ETX0 */
 137         at91_set_A_periph(AT91_PIN_PB24, 0);    /* ETX1 */
 138         at91_set_A_periph(AT91_PIN_PB30, 0);    /* EMDIO */
 139         at91_set_A_periph(AT91_PIN_PB29, 0);    /* EMDC */
 140
 141         if (!data->is_rmii) {
 142                 at91_set_B_periph(AT91_PIN_PC25, 0);    /* ECRS */
 143                 at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
 144                 at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
 145                 at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
 146                 at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
 147                 at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
 148                 at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
 149                 at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
 150         }
 151
 152         eth_data = *data;
 153         platform_device_register(&at91cap9_eth_device);
 154 }
 155 #else
 156 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 157 #endif
 158
 159
 160 /* --------------------------------------------------------------------
 161  *  MMC / SD
 162  * -------------------------------------------------------------------- */
 163
 164 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 165 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 166 static struct at91_mmc_data mmc0_data, mmc1_data;
 167
 168 static struct resource mmc0_resources[] = {
 169         [0] = {
 170                 .start  = AT91CAP9_BASE_MCI0,
 171                 .end    = AT91CAP9_BASE_MCI0 + SZ_16K - 1,
 172                 .flags  = IORESOURCE_MEM,
 173         },
 174         [1] = {
 175                 .start  = AT91CAP9_ID_MCI0,
 176                 .end    = AT91CAP9_ID_MCI0,
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct platform_device at91cap9_mmc0_device = {
 182         .name           = "at91_mci",
 183         .id             = 0,
 184         .dev            = {
 185                                 .dma_mask               = &mmc_dmamask,
 186                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 187                                 .platform_data          = &mmc0_data,
 188         },
 189         .resource       = mmc0_resources,
 190         .num_resources  = ARRAY_SIZE(mmc0_resources),
 191 };
 192
 193 static struct resource mmc1_resources[] = {
 194         [0] = {
 195                 .start  = AT91CAP9_BASE_MCI1,
 196                 .end    = AT91CAP9_BASE_MCI1 + SZ_16K - 1,
 197                 .flags  = IORESOURCE_MEM,
 198         },
 199         [1] = {
 200                 .start  = AT91CAP9_ID_MCI1,
 201                 .end    = AT91CAP9_ID_MCI1,
 202                 .flags  = IORESOURCE_IRQ,
 203         },
 204 };
 205
 206 static struct platform_device at91cap9_mmc1_device = {
 207         .name           = "at91_mci",
 208         .id             = 1,
 209         .dev            = {
 210                                 .dma_mask               = &mmc_dmamask,
 211                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 212                                 .platform_data          = &mmc1_data,
 213         },
 214         .resource       = mmc1_resources,
 215         .num_resources  = ARRAY_SIZE(mmc1_resources),
 216 };
 217
 218 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 219 {
 220         if (!data)
 221                 return;
 222
 223         /* input/irq */
 224         if (data->det_pin) {
 225                 at91_set_gpio_input(data->det_pin, 1);
 226                 at91_set_deglitch(data->det_pin, 1);
 227         }
 228         if (data->wp_pin)
 229                 at91_set_gpio_input(data->wp_pin, 1);
 230         if (data->vcc_pin)
 231                 at91_set_gpio_output(data->vcc_pin, 0);
 232
 233         if (mmc_id == 0) {              /* MCI0 */
 234                 /* CLK */
 235                 at91_set_A_periph(AT91_PIN_PA2, 0);
 236
 237                 /* CMD */
 238                 at91_set_A_periph(AT91_PIN_PA1, 1);
 239
 240                 /* DAT0, maybe DAT1..DAT3 */
 241                 at91_set_A_periph(AT91_PIN_PA0, 1);
 242                 if (data->wire4) {
 243                         at91_set_A_periph(AT91_PIN_PA3, 1);
 244                         at91_set_A_periph(AT91_PIN_PA4, 1);
 245                         at91_set_A_periph(AT91_PIN_PA5, 1);
 246                 }
 247
 248                 mmc0_data = *data;
 249                 at91_clock_associate("mci0_clk", &at91cap9_mmc1_device.dev, "mci_clk");
 250                 platform_device_register(&at91cap9_mmc0_device);
 251         } else {                        /* MCI1 */
 252                 /* CLK */
 253                 at91_set_A_periph(AT91_PIN_PA16, 0);
 254
 255                 /* CMD */
 256                 at91_set_A_periph(AT91_PIN_PA17, 1);
 257
 258                 /* DAT0, maybe DAT1..DAT3 */
 259                 at91_set_A_periph(AT91_PIN_PA18, 1);
 260                 if (data->wire4) {
 261                         at91_set_A_periph(AT91_PIN_PA19, 1);
 262                         at91_set_A_periph(AT91_PIN_PA20, 1);
 263                         at91_set_A_periph(AT91_PIN_PA21, 1);
 264                 }
 265
 266                 mmc1_data = *data;
 267                 at91_clock_associate("mci1_clk", &at91cap9_mmc1_device.dev, "mci_clk");
 268                 platform_device_register(&at91cap9_mmc1_device);
 269         }
 270 }
 271 #else
 272 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 273 #endif
 274
 275
 276 /* --------------------------------------------------------------------
 277  *  NAND / SmartMedia
 278  * -------------------------------------------------------------------- */
 279
 280 #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
 281 static struct at91_nand_data nand_data;
 282
 283 #define NAND_BASE       AT91_CHIPSELECT_3
 284
 285 static struct resource nand_resources[] = {
 286         {
 287                 .start  = NAND_BASE,
 288                 .end    = NAND_BASE + SZ_256M - 1,
 289                 .flags  = IORESOURCE_MEM,
 290         }
 291 };
 292
 293 static struct platform_device at91cap9_nand_device = {
 294         .name           = "at91_nand",
 295         .id             = -1,
 296         .dev            = {
 297                                 .platform_data  = &nand_data,
 298         },
 299         .resource       = nand_resources,
 300         .num_resources  = ARRAY_SIZE(nand_resources),
 301 };
 302
 303 void __init at91_add_device_nand(struct at91_nand_data *data)
 304 {
 305         unsigned long csa, mode;
 306
 307         if (!data)
 308                 return;
 309
 310         csa = at91_sys_read(AT91_MATRIX_EBICSA);
 311         at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
 312
 313         /* set the bus interface characteristics */
 314         at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(1)
 315                         | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(1));
 316
 317         at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(6)
 318                         | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(6));
 319
 320         at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(8) | AT91_SMC_NRDCYCLE_(8));
 321
 322         if (data->bus_width_16)
 323                 mode = AT91_SMC_DBW_16;
 324         else
 325                 mode = AT91_SMC_DBW_8;
 326         at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
 327
 328         /* enable pin */
 329         if (data->enable_pin)
 330                 at91_set_gpio_output(data->enable_pin, 1);
 331
 332         /* ready/busy pin */
 333         if (data->rdy_pin)
 334                 at91_set_gpio_input(data->rdy_pin, 1);
 335
 336         /* card detect pin */
 337         if (data->det_pin)
 338                 at91_set_gpio_input(data->det_pin, 1);
 339
 340         nand_data = *data;
 341         platform_device_register(&at91cap9_nand_device);
 342 }
 343 #else
 344 void __init at91_add_device_nand(struct at91_nand_data *data) {}
 345 #endif
 346
 347 /* --------------------------------------------------------------------
 348  *  TWI (i2c)
 349  * -------------------------------------------------------------------- */
 350
 351 /*
 352  * Prefer the GPIO code since the TWI controller isn't robust
 353  * (gets overruns and underruns under load) and can only issue
 354  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 355  */
 356 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 357
 358 static struct i2c_gpio_platform_data pdata = {
 359         .sda_pin                = AT91_PIN_PB4,
 360         .sda_is_open_drain      = 1,
 361         .scl_pin                = AT91_PIN_PB5,
 362         .scl_is_open_drain      = 1,
 363         .udelay                 = 2,            /* ~100 kHz */
 364 };
 365
 366 static struct platform_device at91cap9_twi_device = {
 367         .name                   = "i2c-gpio",
 368         .id                     = -1,
 369         .dev.platform_data      = &pdata,
 370 };
 371
 372 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 373 {
 374         at91_set_GPIO_periph(AT91_PIN_PB4, 1);          /* TWD (SDA) */
 375         at91_set_multi_drive(AT91_PIN_PB4, 1);
 376
 377         at91_set_GPIO_periph(AT91_PIN_PB5, 1);          /* TWCK (SCL) */
 378         at91_set_multi_drive(AT91_PIN_PB5, 1);
 379
 380         i2c_register_board_info(0, devices, nr_devices);
 381         platform_device_register(&at91cap9_twi_device);
 382 }
 383
 384 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 385
 386 static struct resource twi_resources[] = {
 387         [0] = {
 388                 .start  = AT91CAP9_BASE_TWI,
 389                 .end    = AT91CAP9_BASE_TWI + SZ_16K - 1,
 390                 .flags  = IORESOURCE_MEM,
 391         },
 392         [1] = {
 393                 .start  = AT91CAP9_ID_TWI,
 394                 .end    = AT91CAP9_ID_TWI,
 395                 .flags  = IORESOURCE_IRQ,
 396         },
 397 };
 398
 399 static struct platform_device at91cap9_twi_device = {
 400         .name           = "at91_i2c",
 401         .id             = -1,
 402         .resource       = twi_resources,
 403         .num_resources  = ARRAY_SIZE(twi_resources),
 404 };
 405
 406 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 407 {
 408         /* pins used for TWI interface */
 409         at91_set_B_periph(AT91_PIN_PB4, 0);             /* TWD */
 410         at91_set_multi_drive(AT91_PIN_PB4, 1);
 411
 412         at91_set_B_periph(AT91_PIN_PB5, 0);             /* TWCK */
 413         at91_set_multi_drive(AT91_PIN_PB5, 1);
 414
 415         i2c_register_board_info(0, devices, nr_devices);
 416         platform_device_register(&at91cap9_twi_device);
 417 }
 418 #else
 419 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 420 #endif
 421
 422 /* --------------------------------------------------------------------
 423  *  SPI
 424  * -------------------------------------------------------------------- */
 425
 426 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 427 static u64 spi_dmamask = DMA_BIT_MASK(32);
 428
 429 static struct resource spi0_resources[] = {
 430         [0] = {
 431                 .start  = AT91CAP9_BASE_SPI0,
 432                 .end    = AT91CAP9_BASE_SPI0 + SZ_16K - 1,
 433                 .flags  = IORESOURCE_MEM,
 434         },
 435         [1] = {
 436                 .start  = AT91CAP9_ID_SPI0,
 437                 .end    = AT91CAP9_ID_SPI0,
 438                 .flags  = IORESOURCE_IRQ,
 439         },
 440 };
 441
 442 static struct platform_device at91cap9_spi0_device = {
 443         .name           = "atmel_spi",
 444         .id             = 0,
 445         .dev            = {
 446                                 .dma_mask               = &spi_dmamask,
 447                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 448         },
 449         .resource       = spi0_resources,
 450         .num_resources  = ARRAY_SIZE(spi0_resources),
 451 };
 452
 453 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PD0, AT91_PIN_PD1 };
 454
 455 static struct resource spi1_resources[] = {
 456         [0] = {
 457                 .start  = AT91CAP9_BASE_SPI1,
 458                 .end    = AT91CAP9_BASE_SPI1 + SZ_16K - 1,
 459                 .flags  = IORESOURCE_MEM,
 460         },
 461         [1] = {
 462                 .start  = AT91CAP9_ID_SPI1,
 463                 .end    = AT91CAP9_ID_SPI1,
 464                 .flags  = IORESOURCE_IRQ,
 465         },
 466 };
 467
 468 static struct platform_device at91cap9_spi1_device = {
 469         .name           = "atmel_spi",
 470         .id             = 1,
 471         .dev            = {
 472                                 .dma_mask               = &spi_dmamask,
 473                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 474         },
 475         .resource       = spi1_resources,
 476         .num_resources  = ARRAY_SIZE(spi1_resources),
 477 };
 478
 479 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
 480
 481 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 482 {
 483         int i;
 484         unsigned long cs_pin;
 485         short enable_spi0 = 0;
 486         short enable_spi1 = 0;
 487
 488         /* Choose SPI chip-selects */
 489         for (i = 0; i < nr_devices; i++) {
 490                 if (devices[i].controller_data)
 491                         cs_pin = (unsigned long) devices[i].controller_data;
 492                 else if (devices[i].bus_num == 0)
 493                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 494                 else
 495                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 496
 497                 if (devices[i].bus_num == 0)
 498                         enable_spi0 = 1;
 499                 else
 500                         enable_spi1 = 1;
 501
 502                 /* enable chip-select pin */
 503                 at91_set_gpio_output(cs_pin, 1);
 504
 505                 /* pass chip-select pin to driver */
 506                 devices[i].controller_data = (void *) cs_pin;
 507         }
 508
 509         spi_register_board_info(devices, nr_devices);
 510
 511         /* Configure SPI bus(es) */
 512         if (enable_spi0) {
 513                 at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 514                 at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 515                 at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
 516
 517                 at91_clock_associate("spi0_clk", &at91cap9_spi0_device.dev, "spi_clk");
 518                 platform_device_register(&at91cap9_spi0_device);
 519         }
 520         if (enable_spi1) {
 521                 at91_set_A_periph(AT91_PIN_PB12, 0);    /* SPI1_MISO */
 522                 at91_set_A_periph(AT91_PIN_PB13, 0);    /* SPI1_MOSI */
 523                 at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_SPCK */
 524
 525                 at91_clock_associate("spi1_clk", &at91cap9_spi1_device.dev, "spi_clk");
 526                 platform_device_register(&at91cap9_spi1_device);
 527         }
 528 }
 529 #else
 530 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 531 #endif
 532
 533
 534 /* --------------------------------------------------------------------
 535  *  RTT
 536  * -------------------------------------------------------------------- */
 537
 538 static struct platform_device at91cap9_rtt_device = {
 539         .name           = "at91_rtt",
 540         .id             = -1,
 541         .num_resources  = 0,
 542 };
 543
 544 static void __init at91_add_device_rtt(void)
 545 {
 546         platform_device_register(&at91cap9_rtt_device);
 547 }
 548
 549
 550 /* --------------------------------------------------------------------
 551  *  Watchdog
 552  * -------------------------------------------------------------------- */
 553
 554 #if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
 555 static struct platform_device at91cap9_wdt_device = {
 556         .name           = "at91_wdt",
 557         .id             = -1,
 558         .num_resources  = 0,
 559 };
 560
 561 static void __init at91_add_device_watchdog(void)
 562 {
 563         platform_device_register(&at91cap9_wdt_device);
 564 }
 565 #else
 566 static void __init at91_add_device_watchdog(void) {}
 567 #endif
 568
 569
 570 /* --------------------------------------------------------------------
 571  *  AC97
 572  * -------------------------------------------------------------------- */
 573
 574 #if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
 575 static u64 ac97_dmamask = DMA_BIT_MASK(32);
 576 static struct atmel_ac97_data ac97_data;
 577
 578 static struct resource ac97_resources[] = {
 579         [0] = {
 580                 .start  = AT91CAP9_BASE_AC97C,
 581                 .end    = AT91CAP9_BASE_AC97C + SZ_16K - 1,
 582                 .flags  = IORESOURCE_MEM,
 583         },
 584         [1] = {
 585                 .start  = AT91CAP9_ID_AC97C,
 586                 .end    = AT91CAP9_ID_AC97C,
 587                 .flags  = IORESOURCE_IRQ,
 588         },
 589 };
 590
 591 static struct platform_device at91cap9_ac97_device = {
 592         .name           = "ac97c",
 593         .id             = 1,
 594         .dev            = {
 595                                 .dma_mask               = &ac97_dmamask,
 596                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 597                                 .platform_data          = &ac97_data,
 598         },
 599         .resource       = ac97_resources,
 600         .num_resources  = ARRAY_SIZE(ac97_resources),
 601 };
 602
 603 void __init at91_add_device_ac97(struct atmel_ac97_data *data)
 604 {
 605         if (!data)
 606                 return;
 607
 608         at91_set_A_periph(AT91_PIN_PA6, 0);     /* AC97FS */
 609         at91_set_A_periph(AT91_PIN_PA7, 0);     /* AC97CK */
 610         at91_set_A_periph(AT91_PIN_PA8, 0);     /* AC97TX */
 611         at91_set_A_periph(AT91_PIN_PA9, 0);     /* AC97RX */
 612
 613         /* reset */
 614         if (data->reset_pin)
 615                 at91_set_gpio_output(data->reset_pin, 0);
 616
 617         ac97_data = *data;
 618         platform_device_register(&at91cap9_ac97_device);
 619 }
 620 #else
 621 void __init at91_add_device_ac97(struct atmel_ac97_data *data) {}
 622 #endif
 623
 624
 625 /* --------------------------------------------------------------------
 626  *  LCD Controller
 627  * -------------------------------------------------------------------- */
 628
 629 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 630 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 631 static struct atmel_lcdfb_info lcdc_data;
 632
 633 static struct resource lcdc_resources[] = {
 634         [0] = {
 635                 .start  = AT91CAP9_LCDC_BASE,
 636                 .end    = AT91CAP9_LCDC_BASE + SZ_4K - 1,
 637                 .flags  = IORESOURCE_MEM,
 638         },
 639         [1] = {
 640                 .start  = AT91CAP9_ID_LCDC,
 641                 .end    = AT91CAP9_ID_LCDC,
 642                 .flags  = IORESOURCE_IRQ,
 643         },
 644 };
 645
 646 static struct platform_device at91_lcdc_device = {
 647         .name           = "atmel_lcdfb",
 648         .id             = 0,
 649         .dev            = {
 650                                 .dma_mask               = &lcdc_dmamask,
 651                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 652                                 .platform_data          = &lcdc_data,
 653         },
 654         .resource       = lcdc_resources,
 655         .num_resources  = ARRAY_SIZE(lcdc_resources),
 656 };
 657
 658 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
 659 {
 660         if (!data)
 661                 return;
 662
 663         at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 664         at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 665         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 666         at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 667         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 668         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 669         at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 670         at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 671         at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 672         at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 673         at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 674         at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 675         at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 676         at91_set_A_periph(AT91_PIN_PC17, 0);    /* LCDD13 */
 677         at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 678         at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 679         at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 680         at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 681         at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 682         at91_set_A_periph(AT91_PIN_PC25, 0);    /* LCDD21 */
 683         at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 684         at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 685
 686         lcdc_data = *data;
 687         platform_device_register(&at91_lcdc_device);
 688 }
 689 #else
 690 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 691 #endif
 692
 693
 694 /* --------------------------------------------------------------------
 695  *  SSC -- Synchronous Serial Controller
 696  * -------------------------------------------------------------------- */
 697
 698 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 699 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
 700
 701 static struct resource ssc0_resources[] = {
 702         [0] = {
 703                 .start  = AT91CAP9_BASE_SSC0,
 704                 .end    = AT91CAP9_BASE_SSC0 + SZ_16K - 1,
 705                 .flags  = IORESOURCE_MEM,
 706         },
 707         [1] = {
 708                 .start  = AT91CAP9_ID_SSC0,
 709                 .end    = AT91CAP9_ID_SSC0,
 710                 .flags  = IORESOURCE_IRQ,
 711         },
 712 };
 713
 714 static struct platform_device at91cap9_ssc0_device = {
 715         .name   = "ssc",
 716         .id     = 0,
 717         .dev    = {
 718                 .dma_mask               = &ssc0_dmamask,
 719                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 720         },
 721         .resource       = ssc0_resources,
 722         .num_resources  = ARRAY_SIZE(ssc0_resources),
 723 };
 724
 725 static inline void configure_ssc0_pins(unsigned pins)
 726 {
 727         if (pins & ATMEL_SSC_TF)
 728                 at91_set_A_periph(AT91_PIN_PB0, 1);
 729         if (pins & ATMEL_SSC_TK)
 730                 at91_set_A_periph(AT91_PIN_PB1, 1);
 731         if (pins & ATMEL_SSC_TD)
 732                 at91_set_A_periph(AT91_PIN_PB2, 1);
 733         if (pins & ATMEL_SSC_RD)
 734                 at91_set_A_periph(AT91_PIN_PB3, 1);
 735         if (pins & ATMEL_SSC_RK)
 736                 at91_set_A_periph(AT91_PIN_PB4, 1);
 737         if (pins & ATMEL_SSC_RF)
 738                 at91_set_A_periph(AT91_PIN_PB5, 1);
 739 }
 740
 741 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
 742
 743 static struct resource ssc1_resources[] = {
 744         [0] = {
 745                 .start  = AT91CAP9_BASE_SSC1,
 746                 .end    = AT91CAP9_BASE_SSC1 + SZ_16K - 1,
 747                 .flags  = IORESOURCE_MEM,
 748         },
 749         [1] = {
 750                 .start  = AT91CAP9_ID_SSC1,
 751                 .end    = AT91CAP9_ID_SSC1,
 752                 .flags  = IORESOURCE_IRQ,
 753         },
 754 };
 755
 756 static struct platform_device at91cap9_ssc1_device = {
 757         .name   = "ssc",
 758         .id     = 1,
 759         .dev    = {
 760                 .dma_mask               = &ssc1_dmamask,
 761                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 762         },
 763         .resource       = ssc1_resources,
 764         .num_resources  = ARRAY_SIZE(ssc1_resources),
 765 };
 766
 767 static inline void configure_ssc1_pins(unsigned pins)
 768 {
 769         if (pins & ATMEL_SSC_TF)
 770                 at91_set_A_periph(AT91_PIN_PB6, 1);
 771         if (pins & ATMEL_SSC_TK)
 772                 at91_set_A_periph(AT91_PIN_PB7, 1);
 773         if (pins & ATMEL_SSC_TD)
 774                 at91_set_A_periph(AT91_PIN_PB8, 1);
 775         if (pins & ATMEL_SSC_RD)
 776                 at91_set_A_periph(AT91_PIN_PB9, 1);
 777         if (pins & ATMEL_SSC_RK)
 778                 at91_set_A_periph(AT91_PIN_PB10, 1);
 779         if (pins & ATMEL_SSC_RF)
 780                 at91_set_A_periph(AT91_PIN_PB11, 1);
 781 }
 782
 783 /*
 784  * SSC controllers are accessed through library code, instead of any
 785  * kind of all-singing/all-dancing driver.  For example one could be
 786  * used by a particular I2S audio codec's driver, while another one
 787  * on the same system might be used by a custom data capture driver.
 788  */
 789 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 790 {
 791         struct platform_device *pdev;
 792
 793         /*
 794          * NOTE: caller is responsible for passing information matching
 795          * "pins" to whatever will be using each particular controller.
 796          */
 797         switch (id) {
 798         case AT91CAP9_ID_SSC0:
 799                 pdev = &at91cap9_ssc0_device;
 800                 configure_ssc0_pins(pins);
 801                 at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
 802                 break;
 803         case AT91CAP9_ID_SSC1:
 804                 pdev = &at91cap9_ssc1_device;
 805                 configure_ssc1_pins(pins);
 806                 at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
 807                 break;
 808         default:
 809                 return;
 810         }
 811
 812         platform_device_register(pdev);
 813 }
 814
 815 #else
 816 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 817 #endif
 818
 819
 820 /* --------------------------------------------------------------------
 821  *  UART
 822  * -------------------------------------------------------------------- */
 823
 824 #if defined(CONFIG_SERIAL_ATMEL)
 825 static struct resource dbgu_resources[] = {
 826         [0] = {
 827                 .start  = AT91_VA_BASE_SYS + AT91_DBGU,
 828                 .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 829                 .flags  = IORESOURCE_MEM,
 830         },
 831         [1] = {
 832                 .start  = AT91_ID_SYS,
 833                 .end    = AT91_ID_SYS,
 834                 .flags  = IORESOURCE_IRQ,
 835         },
 836 };
 837
 838 static struct atmel_uart_data dbgu_data = {
 839         .use_dma_tx     = 0,
 840         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
 841         .regs           = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 842 };
 843
 844 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
 845
 846 static struct platform_device at91cap9_dbgu_device = {
 847         .name           = "atmel_usart",
 848         .id             = 0,
 849         .dev            = {
 850                                 .dma_mask               = &dbgu_dmamask,
 851                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 852                                 .platform_data          = &dbgu_data,
 853         },
 854         .resource       = dbgu_resources,
 855         .num_resources  = ARRAY_SIZE(dbgu_resources),
 856 };
 857
 858 static inline void configure_dbgu_pins(void)
 859 {
 860         at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
 861         at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
 862 }
 863
 864 static struct resource uart0_resources[] = {
 865         [0] = {
 866                 .start  = AT91CAP9_BASE_US0,
 867                 .end    = AT91CAP9_BASE_US0 + SZ_16K - 1,
 868                 .flags  = IORESOURCE_MEM,
 869         },
 870         [1] = {
 871                 .start  = AT91CAP9_ID_US0,
 872                 .end    = AT91CAP9_ID_US0,
 873                 .flags  = IORESOURCE_IRQ,
 874         },
 875 };
 876
 877 static struct atmel_uart_data uart0_data = {
 878         .use_dma_tx     = 1,
 879         .use_dma_rx     = 1,
 880 };
 881
 882 static u64 uart0_dmamask = DMA_BIT_MASK(32);
 883
 884 static struct platform_device at91cap9_uart0_device = {
 885         .name           = "atmel_usart",
 886         .id             = 1,
 887         .dev            = {
 888                                 .dma_mask               = &uart0_dmamask,
 889                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 890                                 .platform_data          = &uart0_data,
 891         },
 892         .resource       = uart0_resources,
 893         .num_resources  = ARRAY_SIZE(uart0_resources),
 894 };
 895
 896 static inline void configure_usart0_pins(unsigned pins)
 897 {
 898         at91_set_A_periph(AT91_PIN_PA22, 1);            /* TXD0 */
 899         at91_set_A_periph(AT91_PIN_PA23, 0);            /* RXD0 */
 900
 901         if (pins & ATMEL_UART_RTS)
 902                 at91_set_A_periph(AT91_PIN_PA24, 0);    /* RTS0 */
 903         if (pins & ATMEL_UART_CTS)
 904                 at91_set_A_periph(AT91_PIN_PA25, 0);    /* CTS0 */
 905 }
 906
 907 static struct resource uart1_resources[] = {
 908         [0] = {
 909                 .start  = AT91CAP9_BASE_US1,
 910                 .end    = AT91CAP9_BASE_US1 + SZ_16K - 1,
 911                 .flags  = IORESOURCE_MEM,
 912         },
 913         [1] = {
 914                 .start  = AT91CAP9_ID_US1,
 915                 .end    = AT91CAP9_ID_US1,
 916                 .flags  = IORESOURCE_IRQ,
 917         },
 918 };
 919
 920 static struct atmel_uart_data uart1_data = {
 921         .use_dma_tx     = 1,
 922         .use_dma_rx     = 1,
 923 };
 924
 925 static u64 uart1_dmamask = DMA_BIT_MASK(32);
 926
 927 static struct platform_device at91cap9_uart1_device = {
 928         .name           = "atmel_usart",
 929         .id             = 2,
 930         .dev            = {
 931                                 .dma_mask               = &uart1_dmamask,
 932                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 933                                 .platform_data          = &uart1_data,
 934         },
 935         .resource       = uart1_resources,
 936         .num_resources  = ARRAY_SIZE(uart1_resources),
 937 };
 938
 939 static inline void configure_usart1_pins(unsigned pins)
 940 {
 941         at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
 942         at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
 943
 944         if (pins & ATMEL_UART_RTS)
 945                 at91_set_B_periph(AT91_PIN_PD7, 0);     /* RTS1 */
 946         if (pins & ATMEL_UART_CTS)
 947                 at91_set_B_periph(AT91_PIN_PD8, 0);     /* CTS1 */
 948 }
 949
 950 static struct resource uart2_resources[] = {
 951         [0] = {
 952                 .start  = AT91CAP9_BASE_US2,
 953                 .end    = AT91CAP9_BASE_US2 + SZ_16K - 1,
 954                 .flags  = IORESOURCE_MEM,
 955         },
 956         [1] = {
 957                 .start  = AT91CAP9_ID_US2,
 958                 .end    = AT91CAP9_ID_US2,
 959                 .flags  = IORESOURCE_IRQ,
 960         },
 961 };
 962
 963 static struct atmel_uart_data uart2_data = {
 964         .use_dma_tx     = 1,
 965         .use_dma_rx     = 1,
 966 };
 967
 968 static u64 uart2_dmamask = DMA_BIT_MASK(32);
 969
 970 static struct platform_device at91cap9_uart2_device = {
 971         .name           = "atmel_usart",
 972         .id             = 3,
 973         .dev            = {
 974                                 .dma_mask               = &uart2_dmamask,
 975                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 976                                 .platform_data          = &uart2_data,
 977         },
 978         .resource       = uart2_resources,
 979         .num_resources  = ARRAY_SIZE(uart2_resources),
 980 };
 981
 982 static inline void configure_usart2_pins(unsigned pins)
 983 {
 984         at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
 985         at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
 986
 987         if (pins & ATMEL_UART_RTS)
 988                 at91_set_B_periph(AT91_PIN_PD5, 0);     /* RTS2 */
 989         if (pins & ATMEL_UART_CTS)
 990                 at91_set_B_periph(AT91_PIN_PD6, 0);     /* CTS2 */
 991 }
 992
 993 static struct platform_device *at91_uarts[ATMEL_MAX_UART];      /* the UARTs to use */
 994 struct platform_device *atmel_default_console_device;   /* the serial console device */
 995
 996 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
 997 {
 998         struct platform_device *pdev;
 999
1000         switch (id) {
1001                 case 0:         /* DBGU */
1002                         pdev = &at91cap9_dbgu_device;
1003                         configure_dbgu_pins();
1004                         at91_clock_associate("mck", &pdev->dev, "usart");
1005                         break;
1006                 case AT91CAP9_ID_US0:
1007                         pdev = &at91cap9_uart0_device;
1008                         configure_usart0_pins(pins);
1009                         at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1010                         break;
1011                 case AT91CAP9_ID_US1:
1012                         pdev = &at91cap9_uart1_device;
1013                         configure_usart1_pins(pins);
1014                         at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1015                         break;
1016                 case AT91CAP9_ID_US2:
1017                         pdev = &at91cap9_uart2_device;
1018                         configure_usart2_pins(pins);
1019                         at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1020                         break;
1021                 default:
1022                         return;
1023         }
1024         pdev->id = portnr;              /* update to mapped ID */
1025
1026         if (portnr < ATMEL_MAX_UART)
1027                 at91_uarts[portnr] = pdev;
1028 }
1029
1030 void __init at91_set_serial_console(unsigned portnr)
1031 {
1032         if (portnr < ATMEL_MAX_UART)
1033                 atmel_default_console_device = at91_uarts[portnr];
1034         if (!atmel_default_console_device)
1035                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1036 }
1037
1038 void __init at91_add_device_serial(void)
1039 {
1040         int i;
1041
1042         for (i = 0; i < ATMEL_MAX_UART; i++) {
1043                 if (at91_uarts[i])
1044                         platform_device_register(at91_uarts[i]);
1045         }
1046 }
1047 #else
1048 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1049 void __init at91_set_serial_console(unsigned portnr) {}
1050 void __init at91_add_device_serial(void) {}
1051 #endif
1052
1053
1054 /* -------------------------------------------------------------------- */
1055 /*
1056  * These devices are always present and don't need any board-specific
1057  * setup.
1058  */
1059 static int __init at91_add_standard_devices(void)
1060 {
1061         at91_add_device_rtt();
1062         at91_add_device_watchdog();
1063         return 0;
1064 }
1065
1066 arch_initcall(at91_add_standard_devices);