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 <asm/arch/board.h>
  23 #include <asm/arch/gpio.h>
  24 #include <asm/arch/at91sam9263.h>
  25 #include <asm/arch/at91sam9263_matrix.h>
  26 #include <asm/arch/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_mmc1_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_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
 356 static struct at91_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           = "at91_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 at91_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_(0) | AT91_SMC_NCS_WRSETUP_(0)
 395                         | AT91_SMC_NRDSETUP_(0) | 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 at91_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  *  SSC -- Synchronous Serial Controller
 890  * -------------------------------------------------------------------- */
 891
 892 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 893 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
 894
 895 static struct resource ssc0_resources[] = {
 896         [0] = {
 897                 .start  = AT91SAM9263_BASE_SSC0,
 898                 .end    = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
 899                 .flags  = IORESOURCE_MEM,
 900         },
 901         [1] = {
 902                 .start  = AT91SAM9263_ID_SSC0,
 903                 .end    = AT91SAM9263_ID_SSC0,
 904                 .flags  = IORESOURCE_IRQ,
 905         },
 906 };
 907
 908 static struct platform_device at91sam9263_ssc0_device = {
 909         .name   = "ssc",
 910         .id     = 0,
 911         .dev    = {
 912                 .dma_mask               = &ssc0_dmamask,
 913                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 914         },
 915         .resource       = ssc0_resources,
 916         .num_resources  = ARRAY_SIZE(ssc0_resources),
 917 };
 918
 919 static inline void configure_ssc0_pins(unsigned pins)
 920 {
 921         if (pins & ATMEL_SSC_TF)
 922                 at91_set_B_periph(AT91_PIN_PB0, 1);
 923         if (pins & ATMEL_SSC_TK)
 924                 at91_set_B_periph(AT91_PIN_PB1, 1);
 925         if (pins & ATMEL_SSC_TD)
 926                 at91_set_B_periph(AT91_PIN_PB2, 1);
 927         if (pins & ATMEL_SSC_RD)
 928                 at91_set_B_periph(AT91_PIN_PB3, 1);
 929         if (pins & ATMEL_SSC_RK)
 930                 at91_set_B_periph(AT91_PIN_PB4, 1);
 931         if (pins & ATMEL_SSC_RF)
 932                 at91_set_B_periph(AT91_PIN_PB5, 1);
 933 }
 934
 935 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
 936
 937 static struct resource ssc1_resources[] = {
 938         [0] = {
 939                 .start  = AT91SAM9263_BASE_SSC1,
 940                 .end    = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
 941                 .flags  = IORESOURCE_MEM,
 942         },
 943         [1] = {
 944                 .start  = AT91SAM9263_ID_SSC1,
 945                 .end    = AT91SAM9263_ID_SSC1,
 946                 .flags  = IORESOURCE_IRQ,
 947         },
 948 };
 949
 950 static struct platform_device at91sam9263_ssc1_device = {
 951         .name   = "ssc",
 952         .id     = 1,
 953         .dev    = {
 954                 .dma_mask               = &ssc1_dmamask,
 955                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 956         },
 957         .resource       = ssc1_resources,
 958         .num_resources  = ARRAY_SIZE(ssc1_resources),
 959 };
 960
 961 static inline void configure_ssc1_pins(unsigned pins)
 962 {
 963         if (pins & ATMEL_SSC_TF)
 964                 at91_set_A_periph(AT91_PIN_PB6, 1);
 965         if (pins & ATMEL_SSC_TK)
 966                 at91_set_A_periph(AT91_PIN_PB7, 1);
 967         if (pins & ATMEL_SSC_TD)
 968                 at91_set_A_periph(AT91_PIN_PB8, 1);
 969         if (pins & ATMEL_SSC_RD)
 970                 at91_set_A_periph(AT91_PIN_PB9, 1);
 971         if (pins & ATMEL_SSC_RK)
 972                 at91_set_A_periph(AT91_PIN_PB10, 1);
 973         if (pins & ATMEL_SSC_RF)
 974                 at91_set_A_periph(AT91_PIN_PB11, 1);
 975 }
 976
 977 /*
 978  * Return the device node so that board init code can use it as the
 979  * parent for the device node reflecting how it's used on this board.
 980  *
 981  * SSC controllers are accessed through library code, instead of any
 982  * kind of all-singing/all-dancing driver.  For example one could be
 983  * used by a particular I2S audio codec's driver, while another one
 984  * on the same system might be used by a custom data capture driver.
 985  */
 986 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 987 {
 988         struct platform_device *pdev;
 989
 990         /*
 991          * NOTE: caller is responsible for passing information matching
 992          * "pins" to whatever will be using each particular controller.
 993          */
 994         switch (id) {
 995         case AT91SAM9263_ID_SSC0:
 996                 pdev = &at91sam9263_ssc0_device;
 997                 configure_ssc0_pins(pins);
 998                 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
 999                 break;
1000         case AT91SAM9263_ID_SSC1:
1001                 pdev = &at91sam9263_ssc1_device;
1002                 configure_ssc1_pins(pins);
1003                 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
1004                 break;
1005         default:
1006                 return;
1007         }
1008
1009         platform_device_register(pdev);
1010 }
1011
1012 #else
1013 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1014 #endif
1015
1016
1017 /* --------------------------------------------------------------------
1018  *  UART
1019  * -------------------------------------------------------------------- */
1020
1021 #if defined(CONFIG_SERIAL_ATMEL)
1022
1023 static struct resource dbgu_resources[] = {
1024         [0] = {
1025                 .start  = AT91_VA_BASE_SYS + AT91_DBGU,
1026                 .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
1027                 .flags  = IORESOURCE_MEM,
1028         },
1029         [1] = {
1030                 .start  = AT91_ID_SYS,
1031                 .end    = AT91_ID_SYS,
1032                 .flags  = IORESOURCE_IRQ,
1033         },
1034 };
1035
1036 static struct atmel_uart_data dbgu_data = {
1037         .use_dma_tx     = 0,
1038         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
1039         .regs           = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
1040 };
1041
1042 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1043
1044 static struct platform_device at91sam9263_dbgu_device = {
1045         .name           = "atmel_usart",
1046         .id             = 0,
1047         .dev            = {
1048                                 .dma_mask               = &dbgu_dmamask,
1049                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1050                                 .platform_data          = &dbgu_data,
1051         },
1052         .resource       = dbgu_resources,
1053         .num_resources  = ARRAY_SIZE(dbgu_resources),
1054 };
1055
1056 static inline void configure_dbgu_pins(void)
1057 {
1058         at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
1059         at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
1060 }
1061
1062 static struct resource uart0_resources[] = {
1063         [0] = {
1064                 .start  = AT91SAM9263_BASE_US0,
1065                 .end    = AT91SAM9263_BASE_US0 + SZ_16K - 1,
1066                 .flags  = IORESOURCE_MEM,
1067         },
1068         [1] = {
1069                 .start  = AT91SAM9263_ID_US0,
1070                 .end    = AT91SAM9263_ID_US0,
1071                 .flags  = IORESOURCE_IRQ,
1072         },
1073 };
1074
1075 static struct atmel_uart_data uart0_data = {
1076         .use_dma_tx     = 1,
1077         .use_dma_rx     = 1,
1078 };
1079
1080 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1081
1082 static struct platform_device at91sam9263_uart0_device = {
1083         .name           = "atmel_usart",
1084         .id             = 1,
1085         .dev            = {
1086                                 .dma_mask               = &uart0_dmamask,
1087                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1088                                 .platform_data          = &uart0_data,
1089         },
1090         .resource       = uart0_resources,
1091         .num_resources  = ARRAY_SIZE(uart0_resources),
1092 };
1093
1094 static inline void configure_usart0_pins(unsigned pins)
1095 {
1096         at91_set_A_periph(AT91_PIN_PA26, 1);            /* TXD0 */
1097         at91_set_A_periph(AT91_PIN_PA27, 0);            /* RXD0 */
1098
1099         if (pins & ATMEL_UART_RTS)
1100                 at91_set_A_periph(AT91_PIN_PA28, 0);    /* RTS0 */
1101         if (pins & ATMEL_UART_CTS)
1102                 at91_set_A_periph(AT91_PIN_PA29, 0);    /* CTS0 */
1103 }
1104
1105 static struct resource uart1_resources[] = {
1106         [0] = {
1107                 .start  = AT91SAM9263_BASE_US1,
1108                 .end    = AT91SAM9263_BASE_US1 + SZ_16K - 1,
1109                 .flags  = IORESOURCE_MEM,
1110         },
1111         [1] = {
1112                 .start  = AT91SAM9263_ID_US1,
1113                 .end    = AT91SAM9263_ID_US1,
1114                 .flags  = IORESOURCE_IRQ,
1115         },
1116 };
1117
1118 static struct atmel_uart_data uart1_data = {
1119         .use_dma_tx     = 1,
1120         .use_dma_rx     = 1,
1121 };
1122
1123 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1124
1125 static struct platform_device at91sam9263_uart1_device = {
1126         .name           = "atmel_usart",
1127         .id             = 2,
1128         .dev            = {
1129                                 .dma_mask               = &uart1_dmamask,
1130                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1131                                 .platform_data          = &uart1_data,
1132         },
1133         .resource       = uart1_resources,
1134         .num_resources  = ARRAY_SIZE(uart1_resources),
1135 };
1136
1137 static inline void configure_usart1_pins(unsigned pins)
1138 {
1139         at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
1140         at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
1141
1142         if (pins & ATMEL_UART_RTS)
1143                 at91_set_B_periph(AT91_PIN_PD7, 0);     /* RTS1 */
1144         if (pins & ATMEL_UART_CTS)
1145                 at91_set_B_periph(AT91_PIN_PD8, 0);     /* CTS1 */
1146 }
1147
1148 static struct resource uart2_resources[] = {
1149         [0] = {
1150                 .start  = AT91SAM9263_BASE_US2,
1151                 .end    = AT91SAM9263_BASE_US2 + SZ_16K - 1,
1152                 .flags  = IORESOURCE_MEM,
1153         },
1154         [1] = {
1155                 .start  = AT91SAM9263_ID_US2,
1156                 .end    = AT91SAM9263_ID_US2,
1157                 .flags  = IORESOURCE_IRQ,
1158         },
1159 };
1160
1161 static struct atmel_uart_data uart2_data = {
1162         .use_dma_tx     = 1,
1163         .use_dma_rx     = 1,
1164 };
1165
1166 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1167
1168 static struct platform_device at91sam9263_uart2_device = {
1169         .name           = "atmel_usart",
1170         .id             = 3,
1171         .dev            = {
1172                                 .dma_mask               = &uart2_dmamask,
1173                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1174                                 .platform_data          = &uart2_data,
1175         },
1176         .resource       = uart2_resources,
1177         .num_resources  = ARRAY_SIZE(uart2_resources),
1178 };
1179
1180 static inline void configure_usart2_pins(unsigned pins)
1181 {
1182         at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
1183         at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
1184
1185         if (pins & ATMEL_UART_RTS)
1186                 at91_set_B_periph(AT91_PIN_PD5, 0);     /* RTS2 */
1187         if (pins & ATMEL_UART_CTS)
1188                 at91_set_B_periph(AT91_PIN_PD6, 0);     /* CTS2 */
1189 }
1190
1191 static struct platform_device *at91_uarts[ATMEL_MAX_UART];      /* the UARTs to use */
1192 struct platform_device *atmel_default_console_device;   /* the serial console device */
1193
1194 void __init __deprecated at91_init_serial(struct at91_uart_config *config)
1195 {
1196         int i;
1197
1198         /* Fill in list of supported UARTs */
1199         for (i = 0; i < config->nr_tty; i++) {
1200                 switch (config->tty_map[i]) {
1201                         case 0:
1202                                 configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
1203                                 at91_uarts[i] = &at91sam9263_uart0_device;
1204                                 at91_clock_associate("usart0_clk", &at91sam9263_uart0_device.dev, "usart");
1205                                 break;
1206                         case 1:
1207                                 configure_usart1_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
1208                                 at91_uarts[i] = &at91sam9263_uart1_device;
1209                                 at91_clock_associate("usart1_clk", &at91sam9263_uart1_device.dev, "usart");
1210                                 break;
1211                         case 2:
1212                                 configure_usart2_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
1213                                 at91_uarts[i] = &at91sam9263_uart2_device;
1214                                 at91_clock_associate("usart2_clk", &at91sam9263_uart2_device.dev, "usart");
1215                                 break;
1216                         case 3:
1217                                 configure_dbgu_pins();
1218                                 at91_uarts[i] = &at91sam9263_dbgu_device;
1219                                 at91_clock_associate("mck", &at91sam9263_dbgu_device.dev, "usart");
1220                                 break;
1221                         default:
1222                                 continue;
1223                 }
1224                 at91_uarts[i]->id = i;          /* update ID number to mapped ID */
1225         }
1226
1227         /* Set serial console device */
1228         if (config->console_tty < ATMEL_MAX_UART)
1229                 atmel_default_console_device = at91_uarts[config->console_tty];
1230         if (!atmel_default_console_device)
1231                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1232 }
1233
1234 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1235 {
1236         struct platform_device *pdev;
1237
1238         switch (id) {
1239                 case 0:         /* DBGU */
1240                         pdev = &at91sam9263_dbgu_device;
1241                         configure_dbgu_pins();
1242                         at91_clock_associate("mck", &pdev->dev, "usart");
1243                         break;
1244                 case AT91SAM9263_ID_US0:
1245                         pdev = &at91sam9263_uart0_device;
1246                         configure_usart0_pins(pins);
1247                         at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1248                         break;
1249                 case AT91SAM9263_ID_US1:
1250                         pdev = &at91sam9263_uart1_device;
1251                         configure_usart1_pins(pins);
1252                         at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1253                         break;
1254                 case AT91SAM9263_ID_US2:
1255                         pdev = &at91sam9263_uart2_device;
1256                         configure_usart2_pins(pins);
1257                         at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1258                         break;
1259                 default:
1260                         return;
1261         }
1262         pdev->id = portnr;              /* update to mapped ID */
1263
1264         if (portnr < ATMEL_MAX_UART)
1265                 at91_uarts[portnr] = pdev;
1266 }
1267
1268 void __init at91_set_serial_console(unsigned portnr)
1269 {
1270         if (portnr < ATMEL_MAX_UART)
1271                 atmel_default_console_device = at91_uarts[portnr];
1272         if (!atmel_default_console_device)
1273                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1274 }
1275
1276 void __init at91_add_device_serial(void)
1277 {
1278         int i;
1279
1280         for (i = 0; i < ATMEL_MAX_UART; i++) {
1281                 if (at91_uarts[i])
1282                         platform_device_register(at91_uarts[i]);
1283         }
1284 }
1285 #else
1286 void __init at91_init_serial(struct at91_uart_config *config) {}
1287 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1288 void __init at91_set_serial_console(unsigned portnr) {}
1289 void __init at91_add_device_serial(void) {}
1290 #endif
1291
1292
1293 /* -------------------------------------------------------------------- */
1294 /*
1295  * These devices are always present and don't need any board-specific
1296  * setup.
1297  */
1298 static int __init at91_add_standard_devices(void)
1299 {
1300         at91_add_device_rtt();
1301         at91_add_device_watchdog();
1302         at91_add_device_tc();
1303         return 0;
1304 }
1305
1306 arch_initcall(at91_add_standard_devices);