arch/arm/mach-at91/at91sam9260_devices.c

   1 /*
   2  * arch/arm/mach-at91/at91sam9260_devices.c
   3  *
   4  *  Copyright (C) 2006 Atmel
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  */
  12 #include <asm/mach/arch.h>
  13 #include <asm/mach/map.h>
  14
  15 #include <linux/dma-mapping.h>
  16 #include <linux/gpio.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/i2c-gpio.h>
  19
  20 #include <linux/platform_data/at91_adc.h>
  21
  22 #include <mach/board.h>
  23 #include <mach/cpu.h>
  24 #include <mach/at91sam9260.h>
  25 #include <mach/at91sam9260_matrix.h>
  26 #include <mach/at91_matrix.h>
  27 #include <mach/at91sam9_smc.h>
  28 #include <mach/at91_adc.h>
  29
  30 #include "generic.h"
  31
  32
  33 /* --------------------------------------------------------------------
  34  *  USB Host
  35  * -------------------------------------------------------------------- */
  36
  37 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  38 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  39 static struct at91_usbh_data usbh_data;
  40
  41 static struct resource usbh_resources[] = {
  42         [0] = {
  43                 .start  = AT91SAM9260_UHP_BASE,
  44                 .end    = AT91SAM9260_UHP_BASE + SZ_1M - 1,
  45                 .flags  = IORESOURCE_MEM,
  46         },
  47         [1] = {
  48                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
  49                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
  50                 .flags  = IORESOURCE_IRQ,
  51         },
  52 };
  53
  54 static struct platform_device at91_usbh_device = {
  55         .name           = "at91_ohci",
  56         .id             = -1,
  57         .dev            = {
  58                                 .dma_mask               = &ohci_dmamask,
  59                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  60                                 .platform_data          = &usbh_data,
  61         },
  62         .resource       = usbh_resources,
  63         .num_resources  = ARRAY_SIZE(usbh_resources),
  64 };
  65
  66 void __init at91_add_device_usbh(struct at91_usbh_data *data)
  67 {
  68         int i;
  69
  70         if (!data)
  71                 return;
  72
  73         /* Enable overcurrent notification */
  74         for (i = 0; i < data->ports; i++) {
  75                 if (data->overcurrent_pin[i])
  76                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
  77         }
  78
  79         usbh_data = *data;
  80         platform_device_register(&at91_usbh_device);
  81 }
  82 #else
  83 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  84 #endif
  85
  86
  87 /* --------------------------------------------------------------------
  88  *  USB Device (Gadget)
  89  * -------------------------------------------------------------------- */
  90
  91 #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
  92 static struct at91_udc_data udc_data;
  93
  94 static struct resource udc_resources[] = {
  95         [0] = {
  96                 .start  = AT91SAM9260_BASE_UDP,
  97                 .end    = AT91SAM9260_BASE_UDP + SZ_16K - 1,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
 102                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
 103                 .flags  = IORESOURCE_IRQ,
 104         },
 105 };
 106
 107 static struct platform_device at91_udc_device = {
 108         .name           = "at91_udc",
 109         .id             = -1,
 110         .dev            = {
 111                                 .platform_data          = &udc_data,
 112         },
 113         .resource       = udc_resources,
 114         .num_resources  = ARRAY_SIZE(udc_resources),
 115 };
 116
 117 void __init at91_add_device_udc(struct at91_udc_data *data)
 118 {
 119         if (!data)
 120                 return;
 121
 122         if (gpio_is_valid(data->vbus_pin)) {
 123                 at91_set_gpio_input(data->vbus_pin, 0);
 124                 at91_set_deglitch(data->vbus_pin, 1);
 125         }
 126
 127         /* Pullup pin is handled internally by USB device peripheral */
 128
 129         udc_data = *data;
 130         platform_device_register(&at91_udc_device);
 131 }
 132 #else
 133 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 134 #endif
 135
 136
 137 /* --------------------------------------------------------------------
 138  *  Ethernet
 139  * -------------------------------------------------------------------- */
 140
 141 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 142 static u64 eth_dmamask = DMA_BIT_MASK(32);
 143 static struct macb_platform_data eth_data;
 144
 145 static struct resource eth_resources[] = {
 146         [0] = {
 147                 .start  = AT91SAM9260_BASE_EMAC,
 148                 .end    = AT91SAM9260_BASE_EMAC + SZ_16K - 1,
 149                 .flags  = IORESOURCE_MEM,
 150         },
 151         [1] = {
 152                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
 153                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
 154                 .flags  = IORESOURCE_IRQ,
 155         },
 156 };
 157
 158 static struct platform_device at91sam9260_eth_device = {
 159         .name           = "macb",
 160         .id             = -1,
 161         .dev            = {
 162                                 .dma_mask               = &eth_dmamask,
 163                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 164                                 .platform_data          = &eth_data,
 165         },
 166         .resource       = eth_resources,
 167         .num_resources  = ARRAY_SIZE(eth_resources),
 168 };
 169
 170 void __init at91_add_device_eth(struct macb_platform_data *data)
 171 {
 172         if (!data)
 173                 return;
 174
 175         if (gpio_is_valid(data->phy_irq_pin)) {
 176                 at91_set_gpio_input(data->phy_irq_pin, 0);
 177                 at91_set_deglitch(data->phy_irq_pin, 1);
 178         }
 179
 180         /* Pins used for MII and RMII */
 181         at91_set_A_periph(AT91_PIN_PA19, 0);    /* ETXCK_EREFCK */
 182         at91_set_A_periph(AT91_PIN_PA17, 0);    /* ERXDV */
 183         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERX0 */
 184         at91_set_A_periph(AT91_PIN_PA15, 0);    /* ERX1 */
 185         at91_set_A_periph(AT91_PIN_PA18, 0);    /* ERXER */
 186         at91_set_A_periph(AT91_PIN_PA16, 0);    /* ETXEN */
 187         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ETX0 */
 188         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ETX1 */
 189         at91_set_A_periph(AT91_PIN_PA21, 0);    /* EMDIO */
 190         at91_set_A_periph(AT91_PIN_PA20, 0);    /* EMDC */
 191
 192         if (!data->is_rmii) {
 193                 at91_set_B_periph(AT91_PIN_PA28, 0);    /* ECRS */
 194                 at91_set_B_periph(AT91_PIN_PA29, 0);    /* ECOL */
 195                 at91_set_B_periph(AT91_PIN_PA25, 0);    /* ERX2 */
 196                 at91_set_B_periph(AT91_PIN_PA26, 0);    /* ERX3 */
 197                 at91_set_B_periph(AT91_PIN_PA27, 0);    /* ERXCK */
 198                 at91_set_B_periph(AT91_PIN_PA23, 0);    /* ETX2 */
 199                 at91_set_B_periph(AT91_PIN_PA24, 0);    /* ETX3 */
 200                 at91_set_B_periph(AT91_PIN_PA22, 0);    /* ETXER */
 201         }
 202
 203         eth_data = *data;
 204         platform_device_register(&at91sam9260_eth_device);
 205 }
 206 #else
 207 void __init at91_add_device_eth(struct macb_platform_data *data) {}
 208 #endif
 209
 210
 211 /* --------------------------------------------------------------------
 212  *  MMC / SD Slot for Atmel MCI Driver
 213  * -------------------------------------------------------------------- */
 214
 215 #if IS_ENABLED(CONFIG_MMC_ATMELMCI)
 216 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 217 static struct mci_platform_data mmc_data;
 218
 219 static struct resource mmc_resources[] = {
 220         [0] = {
 221                 .start  = AT91SAM9260_BASE_MCI,
 222                 .end    = AT91SAM9260_BASE_MCI + SZ_16K - 1,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         [1] = {
 226                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
 227                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
 228                 .flags  = IORESOURCE_IRQ,
 229         },
 230 };
 231
 232 static struct platform_device at91sam9260_mmc_device = {
 233         .name           = "atmel_mci",
 234         .id             = -1,
 235         .dev            = {
 236                                 .dma_mask               = &mmc_dmamask,
 237                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 238                                 .platform_data          = &mmc_data,
 239         },
 240         .resource       = mmc_resources,
 241         .num_resources  = ARRAY_SIZE(mmc_resources),
 242 };
 243
 244 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
 245 {
 246         unsigned int i;
 247         unsigned int slot_count = 0;
 248
 249         if (!data)
 250                 return;
 251
 252         for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
 253                 if (data->slot[i].bus_width) {
 254                         /* input/irq */
 255                         if (gpio_is_valid(data->slot[i].detect_pin)) {
 256                                 at91_set_gpio_input(data->slot[i].detect_pin, 1);
 257                                 at91_set_deglitch(data->slot[i].detect_pin, 1);
 258                         }
 259                         if (gpio_is_valid(data->slot[i].wp_pin))
 260                                 at91_set_gpio_input(data->slot[i].wp_pin, 1);
 261
 262                         switch (i) {
 263                         case 0:
 264                                 /* CMD */
 265                                 at91_set_A_periph(AT91_PIN_PA7, 1);
 266                                 /* DAT0, maybe DAT1..DAT3 */
 267                                 at91_set_A_periph(AT91_PIN_PA6, 1);
 268                                 if (data->slot[i].bus_width == 4) {
 269                                         at91_set_A_periph(AT91_PIN_PA9, 1);
 270                                         at91_set_A_periph(AT91_PIN_PA10, 1);
 271                                         at91_set_A_periph(AT91_PIN_PA11, 1);
 272                                 }
 273                                 slot_count++;
 274                                 break;
 275                         case 1:
 276                                 /* CMD */
 277                                 at91_set_B_periph(AT91_PIN_PA1, 1);
 278                                 /* DAT0, maybe DAT1..DAT3 */
 279                                 at91_set_B_periph(AT91_PIN_PA0, 1);
 280                                 if (data->slot[i].bus_width == 4) {
 281                                         at91_set_B_periph(AT91_PIN_PA5, 1);
 282                                         at91_set_B_periph(AT91_PIN_PA4, 1);
 283                                         at91_set_B_periph(AT91_PIN_PA3, 1);
 284                                 }
 285                                 slot_count++;
 286                                 break;
 287                         default:
 288                                 printk(KERN_ERR
 289                                         "AT91: SD/MMC slot %d not available\n", i);
 290                                 break;
 291                         }
 292                 }
 293         }
 294
 295         if (slot_count) {
 296                 /* CLK */
 297                 at91_set_A_periph(AT91_PIN_PA8, 0);
 298
 299                 mmc_data = *data;
 300                 platform_device_register(&at91sam9260_mmc_device);
 301         }
 302 }
 303 #else
 304 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
 305 #endif
 306
 307
 308 /* --------------------------------------------------------------------
 309  *  NAND / SmartMedia
 310  * -------------------------------------------------------------------- */
 311
 312 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 313 static struct atmel_nand_data nand_data;
 314
 315 #define NAND_BASE       AT91_CHIPSELECT_3
 316
 317 static struct resource nand_resources[] = {
 318         [0] = {
 319                 .start  = NAND_BASE,
 320                 .end    = NAND_BASE + SZ_256M - 1,
 321                 .flags  = IORESOURCE_MEM,
 322         },
 323         [1] = {
 324                 .start  = AT91SAM9260_BASE_ECC,
 325                 .end    = AT91SAM9260_BASE_ECC + SZ_512 - 1,
 326                 .flags  = IORESOURCE_MEM,
 327         }
 328 };
 329
 330 static struct platform_device at91sam9260_nand_device = {
 331         .name           = "atmel_nand",
 332         .id             = -1,
 333         .dev            = {
 334                                 .platform_data  = &nand_data,
 335         },
 336         .resource       = nand_resources,
 337         .num_resources  = ARRAY_SIZE(nand_resources),
 338 };
 339
 340 void __init at91_add_device_nand(struct atmel_nand_data *data)
 341 {
 342         unsigned long csa;
 343
 344         if (!data)
 345                 return;
 346
 347         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
 348         at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
 349
 350         /* enable pin */
 351         if (gpio_is_valid(data->enable_pin))
 352                 at91_set_gpio_output(data->enable_pin, 1);
 353
 354         /* ready/busy pin */
 355         if (gpio_is_valid(data->rdy_pin))
 356                 at91_set_gpio_input(data->rdy_pin, 1);
 357
 358         /* card detect pin */
 359         if (gpio_is_valid(data->det_pin))
 360                 at91_set_gpio_input(data->det_pin, 1);
 361
 362         nand_data = *data;
 363         platform_device_register(&at91sam9260_nand_device);
 364 }
 365 #else
 366 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 367 #endif
 368
 369
 370 /* --------------------------------------------------------------------
 371  *  TWI (i2c)
 372  * -------------------------------------------------------------------- */
 373
 374 /*
 375  * Prefer the GPIO code since the TWI controller isn't robust
 376  * (gets overruns and underruns under load) and can only issue
 377  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 378  */
 379
 380 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 381
 382 static struct i2c_gpio_platform_data pdata = {
 383         .sda_pin                = AT91_PIN_PA23,
 384         .sda_is_open_drain      = 1,
 385         .scl_pin                = AT91_PIN_PA24,
 386         .scl_is_open_drain      = 1,
 387         .udelay                 = 2,            /* ~100 kHz */
 388 };
 389
 390 static struct platform_device at91sam9260_twi_device = {
 391         .name                   = "i2c-gpio",
 392         .id                     = 0,
 393         .dev.platform_data      = &pdata,
 394 };
 395
 396 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 397 {
 398         at91_set_GPIO_periph(AT91_PIN_PA23, 1);         /* TWD (SDA) */
 399         at91_set_multi_drive(AT91_PIN_PA23, 1);
 400
 401         at91_set_GPIO_periph(AT91_PIN_PA24, 1);         /* TWCK (SCL) */
 402         at91_set_multi_drive(AT91_PIN_PA24, 1);
 403
 404         i2c_register_board_info(0, devices, nr_devices);
 405         platform_device_register(&at91sam9260_twi_device);
 406 }
 407
 408 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 409
 410 static struct resource twi_resources[] = {
 411         [0] = {
 412                 .start  = AT91SAM9260_BASE_TWI,
 413                 .end    = AT91SAM9260_BASE_TWI + SZ_16K - 1,
 414                 .flags  = IORESOURCE_MEM,
 415         },
 416         [1] = {
 417                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
 418                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
 419                 .flags  = IORESOURCE_IRQ,
 420         },
 421 };
 422
 423 static struct platform_device at91sam9260_twi_device = {
 424         .id             = 0,
 425         .resource       = twi_resources,
 426         .num_resources  = ARRAY_SIZE(twi_resources),
 427 };
 428
 429 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 430 {
 431         /* IP version is not the same on 9260 and g20 */
 432         if (cpu_is_at91sam9g20()) {
 433                 at91sam9260_twi_device.name = "i2c-at91sam9g20";
 434         } else {
 435                 at91sam9260_twi_device.name = "i2c-at91sam9260";
 436         }
 437
 438         /* pins used for TWI interface */
 439         at91_set_A_periph(AT91_PIN_PA23, 0);            /* TWD */
 440         at91_set_multi_drive(AT91_PIN_PA23, 1);
 441
 442         at91_set_A_periph(AT91_PIN_PA24, 0);            /* TWCK */
 443         at91_set_multi_drive(AT91_PIN_PA24, 1);
 444
 445         i2c_register_board_info(0, devices, nr_devices);
 446         platform_device_register(&at91sam9260_twi_device);
 447 }
 448 #else
 449 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 450 #endif
 451
 452
 453 /* --------------------------------------------------------------------
 454  *  SPI
 455  * -------------------------------------------------------------------- */
 456
 457 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 458 static u64 spi_dmamask = DMA_BIT_MASK(32);
 459
 460 static struct resource spi0_resources[] = {
 461         [0] = {
 462                 .start  = AT91SAM9260_BASE_SPI0,
 463                 .end    = AT91SAM9260_BASE_SPI0 + SZ_16K - 1,
 464                 .flags  = IORESOURCE_MEM,
 465         },
 466         [1] = {
 467                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
 468                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
 469                 .flags  = IORESOURCE_IRQ,
 470         },
 471 };
 472
 473 static struct platform_device at91sam9260_spi0_device = {
 474         .name           = "atmel_spi",
 475         .id             = 0,
 476         .dev            = {
 477                                 .dma_mask               = &spi_dmamask,
 478                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 479         },
 480         .resource       = spi0_resources,
 481         .num_resources  = ARRAY_SIZE(spi0_resources),
 482 };
 483
 484 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 };
 485
 486 static struct resource spi1_resources[] = {
 487         [0] = {
 488                 .start  = AT91SAM9260_BASE_SPI1,
 489                 .end    = AT91SAM9260_BASE_SPI1 + SZ_16K - 1,
 490                 .flags  = IORESOURCE_MEM,
 491         },
 492         [1] = {
 493                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
 494                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
 495                 .flags  = IORESOURCE_IRQ,
 496         },
 497 };
 498
 499 static struct platform_device at91sam9260_spi1_device = {
 500         .name           = "atmel_spi",
 501         .id             = 1,
 502         .dev            = {
 503                                 .dma_mask               = &spi_dmamask,
 504                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 505         },
 506         .resource       = spi1_resources,
 507         .num_resources  = ARRAY_SIZE(spi1_resources),
 508 };
 509
 510 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
 511
 512 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 513 {
 514         int i;
 515         unsigned long cs_pin;
 516         short enable_spi0 = 0;
 517         short enable_spi1 = 0;
 518
 519         /* Choose SPI chip-selects */
 520         for (i = 0; i < nr_devices; i++) {
 521                 if (devices[i].controller_data)
 522                         cs_pin = (unsigned long) devices[i].controller_data;
 523                 else if (devices[i].bus_num == 0)
 524                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 525                 else
 526                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 527
 528                 if (!gpio_is_valid(cs_pin))
 529                         continue;
 530
 531                 if (devices[i].bus_num == 0)
 532                         enable_spi0 = 1;
 533                 else
 534                         enable_spi1 = 1;
 535
 536                 /* enable chip-select pin */
 537                 at91_set_gpio_output(cs_pin, 1);
 538
 539                 /* pass chip-select pin to driver */
 540                 devices[i].controller_data = (void *) cs_pin;
 541         }
 542
 543         spi_register_board_info(devices, nr_devices);
 544
 545         /* Configure SPI bus(es) */
 546         if (enable_spi0) {
 547                 at91_set_A_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 548                 at91_set_A_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 549                 at91_set_A_periph(AT91_PIN_PA2, 0);     /* SPI1_SPCK */
 550
 551                 platform_device_register(&at91sam9260_spi0_device);
 552         }
 553         if (enable_spi1) {
 554                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI1_MISO */
 555                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI1_MOSI */
 556                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI1_SPCK */
 557
 558                 platform_device_register(&at91sam9260_spi1_device);
 559         }
 560 }
 561 #else
 562 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 563 #endif
 564
 565
 566 /* --------------------------------------------------------------------
 567  *  Timer/Counter blocks
 568  * -------------------------------------------------------------------- */
 569
 570 #ifdef CONFIG_ATMEL_TCLIB
 571
 572 static struct resource tcb0_resources[] = {
 573         [0] = {
 574                 .start  = AT91SAM9260_BASE_TCB0,
 575                 .end    = AT91SAM9260_BASE_TCB0 + SZ_256 - 1,
 576                 .flags  = IORESOURCE_MEM,
 577         },
 578         [1] = {
 579                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
 580                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
 581                 .flags  = IORESOURCE_IRQ,
 582         },
 583         [2] = {
 584                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
 585                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
 586                 .flags  = IORESOURCE_IRQ,
 587         },
 588         [3] = {
 589                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
 590                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
 591                 .flags  = IORESOURCE_IRQ,
 592         },
 593 };
 594
 595 static struct platform_device at91sam9260_tcb0_device = {
 596         .name           = "atmel_tcb",
 597         .id             = 0,
 598         .resource       = tcb0_resources,
 599         .num_resources  = ARRAY_SIZE(tcb0_resources),
 600 };
 601
 602 static struct resource tcb1_resources[] = {
 603         [0] = {
 604                 .start  = AT91SAM9260_BASE_TCB1,
 605                 .end    = AT91SAM9260_BASE_TCB1 + SZ_256 - 1,
 606                 .flags  = IORESOURCE_MEM,
 607         },
 608         [1] = {
 609                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
 610                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
 611                 .flags  = IORESOURCE_IRQ,
 612         },
 613         [2] = {
 614                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
 615                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
 616                 .flags  = IORESOURCE_IRQ,
 617         },
 618         [3] = {
 619                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
 620                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
 621                 .flags  = IORESOURCE_IRQ,
 622         },
 623 };
 624
 625 static struct platform_device at91sam9260_tcb1_device = {
 626         .name           = "atmel_tcb",
 627         .id             = 1,
 628         .resource       = tcb1_resources,
 629         .num_resources  = ARRAY_SIZE(tcb1_resources),
 630 };
 631
 632 static void __init at91_add_device_tc(void)
 633 {
 634         platform_device_register(&at91sam9260_tcb0_device);
 635         platform_device_register(&at91sam9260_tcb1_device);
 636 }
 637 #else
 638 static void __init at91_add_device_tc(void) { }
 639 #endif
 640
 641
 642 /* --------------------------------------------------------------------
 643  *  RTT
 644  * -------------------------------------------------------------------- */
 645
 646 static struct resource rtt_resources[] = {
 647         {
 648                 .start  = AT91SAM9260_BASE_RTT,
 649                 .end    = AT91SAM9260_BASE_RTT + SZ_16 - 1,
 650                 .flags  = IORESOURCE_MEM,
 651         }, {
 652                 .flags  = IORESOURCE_MEM,
 653         }, {
 654                 .flags  = IORESOURCE_IRQ,
 655         },
 656 };
 657
 658 static struct platform_device at91sam9260_rtt_device = {
 659         .name           = "at91_rtt",
 660         .id             = 0,
 661         .resource       = rtt_resources,
 662 };
 663
 664
 665 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
 666 static void __init at91_add_device_rtt_rtc(void)
 667 {
 668         at91sam9260_rtt_device.name = "rtc-at91sam9";
 669         /*
 670          * The second resource is needed:
 671          * GPBR will serve as the storage for RTC time offset
 672          */
 673         at91sam9260_rtt_device.num_resources = 3;
 674         rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
 675                                  4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
 676         rtt_resources[1].end = rtt_resources[1].start + 3;
 677         rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
 678         rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 679 }
 680 #else
 681 static void __init at91_add_device_rtt_rtc(void)
 682 {
 683         /* Only one resource is needed: RTT not used as RTC */
 684         at91sam9260_rtt_device.num_resources = 1;
 685 }
 686 #endif
 687
 688 static void __init at91_add_device_rtt(void)
 689 {
 690         at91_add_device_rtt_rtc();
 691         platform_device_register(&at91sam9260_rtt_device);
 692 }
 693
 694
 695 /* --------------------------------------------------------------------
 696  *  Watchdog
 697  * -------------------------------------------------------------------- */
 698
 699 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
 700 static struct resource wdt_resources[] = {
 701         {
 702                 .start  = AT91SAM9260_BASE_WDT,
 703                 .end    = AT91SAM9260_BASE_WDT + SZ_16 - 1,
 704                 .flags  = IORESOURCE_MEM,
 705         }
 706 };
 707
 708 static struct platform_device at91sam9260_wdt_device = {
 709         .name           = "at91_wdt",
 710         .id             = -1,
 711         .resource       = wdt_resources,
 712         .num_resources  = ARRAY_SIZE(wdt_resources),
 713 };
 714
 715 static void __init at91_add_device_watchdog(void)
 716 {
 717         platform_device_register(&at91sam9260_wdt_device);
 718 }
 719 #else
 720 static void __init at91_add_device_watchdog(void) {}
 721 #endif
 722
 723
 724 /* --------------------------------------------------------------------
 725  *  SSC -- Synchronous Serial Controller
 726  * -------------------------------------------------------------------- */
 727
 728 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
 729 static u64 ssc_dmamask = DMA_BIT_MASK(32);
 730
 731 static struct resource ssc_resources[] = {
 732         [0] = {
 733                 .start  = AT91SAM9260_BASE_SSC,
 734                 .end    = AT91SAM9260_BASE_SSC + SZ_16K - 1,
 735                 .flags  = IORESOURCE_MEM,
 736         },
 737         [1] = {
 738                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
 739                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
 740                 .flags  = IORESOURCE_IRQ,
 741         },
 742 };
 743
 744 static struct platform_device at91sam9260_ssc_device = {
 745         .name   = "ssc",
 746         .id     = 0,
 747         .dev    = {
 748                 .dma_mask               = &ssc_dmamask,
 749                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 750         },
 751         .resource       = ssc_resources,
 752         .num_resources  = ARRAY_SIZE(ssc_resources),
 753 };
 754
 755 static inline void configure_ssc_pins(unsigned pins)
 756 {
 757         if (pins & ATMEL_SSC_TF)
 758                 at91_set_A_periph(AT91_PIN_PB17, 1);
 759         if (pins & ATMEL_SSC_TK)
 760                 at91_set_A_periph(AT91_PIN_PB16, 1);
 761         if (pins & ATMEL_SSC_TD)
 762                 at91_set_A_periph(AT91_PIN_PB18, 1);
 763         if (pins & ATMEL_SSC_RD)
 764                 at91_set_A_periph(AT91_PIN_PB19, 1);
 765         if (pins & ATMEL_SSC_RK)
 766                 at91_set_A_periph(AT91_PIN_PB20, 1);
 767         if (pins & ATMEL_SSC_RF)
 768                 at91_set_A_periph(AT91_PIN_PB21, 1);
 769 }
 770
 771 static struct platform_device at91sam9260_ssc_dai_device = {
 772         .name   = "atmel-ssc-dai",
 773         .id     = 0,
 774         .dev    = {
 775                 .parent = &(at91sam9260_ssc_device.dev),
 776         },
 777 };
 778
 779 /*
 780  * SSC controllers are accessed through library code, instead of any
 781  * kind of all-singing/all-dancing driver.  For example one could be
 782  * used by a particular I2S audio codec's driver, while another one
 783  * on the same system might be used by a custom data capture driver.
 784  */
 785 void __init at91_add_device_ssc(unsigned id, unsigned pins)
 786 {
 787         struct platform_device *pdev;
 788
 789         /*
 790          * NOTE: caller is responsible for passing information matching
 791          * "pins" to whatever will be using each particular controller.
 792          */
 793         switch (id) {
 794         case AT91SAM9260_ID_SSC:
 795                 pdev = &at91sam9260_ssc_device;
 796                 configure_ssc_pins(pins);
 797                 break;
 798         default:
 799                 return;
 800         }
 801
 802         platform_device_register(pdev);
 803         platform_device_register(&at91sam9260_ssc_dai_device);
 804 }
 805
 806 #else
 807 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 808 #endif
 809
 810
 811 /* --------------------------------------------------------------------
 812  *  UART
 813  * -------------------------------------------------------------------- */
 814 #if defined(CONFIG_SERIAL_ATMEL)
 815 static struct resource dbgu_resources[] = {
 816         [0] = {
 817                 .start  = AT91SAM9260_BASE_DBGU,
 818                 .end    = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
 819                 .flags  = IORESOURCE_MEM,
 820         },
 821         [1] = {
 822                 .start  = NR_IRQS_LEGACY + AT91_ID_SYS,
 823                 .end    = NR_IRQS_LEGACY + AT91_ID_SYS,
 824                 .flags  = IORESOURCE_IRQ,
 825         },
 826 };
 827
 828 static struct atmel_uart_data dbgu_data = {
 829         .use_dma_tx     = 0,
 830         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
 831 };
 832
 833 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
 834
 835 static struct platform_device at91sam9260_dbgu_device = {
 836         .name           = "atmel_usart",
 837         .id             = 0,
 838         .dev            = {
 839                                 .dma_mask               = &dbgu_dmamask,
 840                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 841                                 .platform_data          = &dbgu_data,
 842         },
 843         .resource       = dbgu_resources,
 844         .num_resources  = ARRAY_SIZE(dbgu_resources),
 845 };
 846
 847 static inline void configure_dbgu_pins(void)
 848 {
 849         at91_set_A_periph(AT91_PIN_PB14, 0);            /* DRXD */
 850         at91_set_A_periph(AT91_PIN_PB15, 1);            /* DTXD */
 851 }
 852
 853 static struct resource uart0_resources[] = {
 854         [0] = {
 855                 .start  = AT91SAM9260_BASE_US0,
 856                 .end    = AT91SAM9260_BASE_US0 + SZ_16K - 1,
 857                 .flags  = IORESOURCE_MEM,
 858         },
 859         [1] = {
 860                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
 861                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
 862                 .flags  = IORESOURCE_IRQ,
 863         },
 864 };
 865
 866 static struct atmel_uart_data uart0_data = {
 867         .use_dma_tx     = 1,
 868         .use_dma_rx     = 1,
 869 };
 870
 871 static u64 uart0_dmamask = DMA_BIT_MASK(32);
 872
 873 static struct platform_device at91sam9260_uart0_device = {
 874         .name           = "atmel_usart",
 875         .id             = 1,
 876         .dev            = {
 877                                 .dma_mask               = &uart0_dmamask,
 878                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 879                                 .platform_data          = &uart0_data,
 880         },
 881         .resource       = uart0_resources,
 882         .num_resources  = ARRAY_SIZE(uart0_resources),
 883 };
 884
 885 static inline void configure_usart0_pins(unsigned pins)
 886 {
 887         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD0 */
 888         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD0 */
 889
 890         if (pins & ATMEL_UART_RTS)
 891                 at91_set_A_periph(AT91_PIN_PB26, 0);    /* RTS0 */
 892         if (pins & ATMEL_UART_CTS)
 893                 at91_set_A_periph(AT91_PIN_PB27, 0);    /* CTS0 */
 894         if (pins & ATMEL_UART_DTR)
 895                 at91_set_A_periph(AT91_PIN_PB24, 0);    /* DTR0 */
 896         if (pins & ATMEL_UART_DSR)
 897                 at91_set_A_periph(AT91_PIN_PB22, 0);    /* DSR0 */
 898         if (pins & ATMEL_UART_DCD)
 899                 at91_set_A_periph(AT91_PIN_PB23, 0);    /* DCD0 */
 900         if (pins & ATMEL_UART_RI)
 901                 at91_set_A_periph(AT91_PIN_PB25, 0);    /* RI0 */
 902 }
 903
 904 static struct resource uart1_resources[] = {
 905         [0] = {
 906                 .start  = AT91SAM9260_BASE_US1,
 907                 .end    = AT91SAM9260_BASE_US1 + SZ_16K - 1,
 908                 .flags  = IORESOURCE_MEM,
 909         },
 910         [1] = {
 911                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
 912                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
 913                 .flags  = IORESOURCE_IRQ,
 914         },
 915 };
 916
 917 static struct atmel_uart_data uart1_data = {
 918         .use_dma_tx     = 1,
 919         .use_dma_rx     = 1,
 920 };
 921
 922 static u64 uart1_dmamask = DMA_BIT_MASK(32);
 923
 924 static struct platform_device at91sam9260_uart1_device = {
 925         .name           = "atmel_usart",
 926         .id             = 2,
 927         .dev            = {
 928                                 .dma_mask               = &uart1_dmamask,
 929                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 930                                 .platform_data          = &uart1_data,
 931         },
 932         .resource       = uart1_resources,
 933         .num_resources  = ARRAY_SIZE(uart1_resources),
 934 };
 935
 936 static inline void configure_usart1_pins(unsigned pins)
 937 {
 938         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD1 */
 939         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD1 */
 940
 941         if (pins & ATMEL_UART_RTS)
 942                 at91_set_A_periph(AT91_PIN_PB28, 0);    /* RTS1 */
 943         if (pins & ATMEL_UART_CTS)
 944                 at91_set_A_periph(AT91_PIN_PB29, 0);    /* CTS1 */
 945 }
 946
 947 static struct resource uart2_resources[] = {
 948         [0] = {
 949                 .start  = AT91SAM9260_BASE_US2,
 950                 .end    = AT91SAM9260_BASE_US2 + SZ_16K - 1,
 951                 .flags  = IORESOURCE_MEM,
 952         },
 953         [1] = {
 954                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
 955                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
 956                 .flags  = IORESOURCE_IRQ,
 957         },
 958 };
 959
 960 static struct atmel_uart_data uart2_data = {
 961         .use_dma_tx     = 1,
 962         .use_dma_rx     = 1,
 963 };
 964
 965 static u64 uart2_dmamask = DMA_BIT_MASK(32);
 966
 967 static struct platform_device at91sam9260_uart2_device = {
 968         .name           = "atmel_usart",
 969         .id             = 3,
 970         .dev            = {
 971                                 .dma_mask               = &uart2_dmamask,
 972                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 973                                 .platform_data          = &uart2_data,
 974         },
 975         .resource       = uart2_resources,
 976         .num_resources  = ARRAY_SIZE(uart2_resources),
 977 };
 978
 979 static inline void configure_usart2_pins(unsigned pins)
 980 {
 981         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD2 */
 982         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD2 */
 983
 984         if (pins & ATMEL_UART_RTS)
 985                 at91_set_A_periph(AT91_PIN_PA4, 0);     /* RTS2 */
 986         if (pins & ATMEL_UART_CTS)
 987                 at91_set_A_periph(AT91_PIN_PA5, 0);     /* CTS2 */
 988 }
 989
 990 static struct resource uart3_resources[] = {
 991         [0] = {
 992                 .start  = AT91SAM9260_BASE_US3,
 993                 .end    = AT91SAM9260_BASE_US3 + SZ_16K - 1,
 994                 .flags  = IORESOURCE_MEM,
 995         },
 996         [1] = {
 997                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
 998                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
 999                 .flags  = IORESOURCE_IRQ,
1000         },
1001 };
1002
1003 static struct atmel_uart_data uart3_data = {
1004         .use_dma_tx     = 1,
1005         .use_dma_rx     = 1,
1006 };
1007
1008 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1009
1010 static struct platform_device at91sam9260_uart3_device = {
1011         .name           = "atmel_usart",
1012         .id             = 4,
1013         .dev            = {
1014                                 .dma_mask               = &uart3_dmamask,
1015                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1016                                 .platform_data          = &uart3_data,
1017         },
1018         .resource       = uart3_resources,
1019         .num_resources  = ARRAY_SIZE(uart3_resources),
1020 };
1021
1022 static inline void configure_usart3_pins(unsigned pins)
1023 {
1024         at91_set_A_periph(AT91_PIN_PB10, 1);            /* TXD3 */
1025         at91_set_A_periph(AT91_PIN_PB11, 0);            /* RXD3 */
1026
1027         if (pins & ATMEL_UART_RTS)
1028                 at91_set_B_periph(AT91_PIN_PC8, 0);     /* RTS3 */
1029         if (pins & ATMEL_UART_CTS)
1030                 at91_set_B_periph(AT91_PIN_PC10, 0);    /* CTS3 */
1031 }
1032
1033 static struct resource uart4_resources[] = {
1034         [0] = {
1035                 .start  = AT91SAM9260_BASE_US4,
1036                 .end    = AT91SAM9260_BASE_US4 + SZ_16K - 1,
1037                 .flags  = IORESOURCE_MEM,
1038         },
1039         [1] = {
1040                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
1041                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
1042                 .flags  = IORESOURCE_IRQ,
1043         },
1044 };
1045
1046 static struct atmel_uart_data uart4_data = {
1047         .use_dma_tx     = 1,
1048         .use_dma_rx     = 1,
1049 };
1050
1051 static u64 uart4_dmamask = DMA_BIT_MASK(32);
1052
1053 static struct platform_device at91sam9260_uart4_device = {
1054         .name           = "atmel_usart",
1055         .id             = 5,
1056         .dev            = {
1057                                 .dma_mask               = &uart4_dmamask,
1058                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1059                                 .platform_data          = &uart4_data,
1060         },
1061         .resource       = uart4_resources,
1062         .num_resources  = ARRAY_SIZE(uart4_resources),
1063 };
1064
1065 static inline void configure_usart4_pins(void)
1066 {
1067         at91_set_B_periph(AT91_PIN_PA31, 1);            /* TXD4 */
1068         at91_set_B_periph(AT91_PIN_PA30, 0);            /* RXD4 */
1069 }
1070
1071 static struct resource uart5_resources[] = {
1072         [0] = {
1073                 .start  = AT91SAM9260_BASE_US5,
1074                 .end    = AT91SAM9260_BASE_US5 + SZ_16K - 1,
1075                 .flags  = IORESOURCE_MEM,
1076         },
1077         [1] = {
1078                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
1079                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
1080                 .flags  = IORESOURCE_IRQ,
1081         },
1082 };
1083
1084 static struct atmel_uart_data uart5_data = {
1085         .use_dma_tx     = 1,
1086         .use_dma_rx     = 1,
1087 };
1088
1089 static u64 uart5_dmamask = DMA_BIT_MASK(32);
1090
1091 static struct platform_device at91sam9260_uart5_device = {
1092         .name           = "atmel_usart",
1093         .id             = 6,
1094         .dev            = {
1095                                 .dma_mask               = &uart5_dmamask,
1096                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1097                                 .platform_data          = &uart5_data,
1098         },
1099         .resource       = uart5_resources,
1100         .num_resources  = ARRAY_SIZE(uart5_resources),
1101 };
1102
1103 static inline void configure_usart5_pins(void)
1104 {
1105         at91_set_A_periph(AT91_PIN_PB12, 1);            /* TXD5 */
1106         at91_set_A_periph(AT91_PIN_PB13, 0);            /* RXD5 */
1107 }
1108
1109 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1110
1111 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1112 {
1113         struct platform_device *pdev;
1114         struct atmel_uart_data *pdata;
1115
1116         switch (id) {
1117                 case 0:         /* DBGU */
1118                         pdev = &at91sam9260_dbgu_device;
1119                         configure_dbgu_pins();
1120                         break;
1121                 case AT91SAM9260_ID_US0:
1122                         pdev = &at91sam9260_uart0_device;
1123                         configure_usart0_pins(pins);
1124                         break;
1125                 case AT91SAM9260_ID_US1:
1126                         pdev = &at91sam9260_uart1_device;
1127                         configure_usart1_pins(pins);
1128                         break;
1129                 case AT91SAM9260_ID_US2:
1130                         pdev = &at91sam9260_uart2_device;
1131                         configure_usart2_pins(pins);
1132                         break;
1133                 case AT91SAM9260_ID_US3:
1134                         pdev = &at91sam9260_uart3_device;
1135                         configure_usart3_pins(pins);
1136                         break;
1137                 case AT91SAM9260_ID_US4:
1138                         pdev = &at91sam9260_uart4_device;
1139                         configure_usart4_pins();
1140                         break;
1141                 case AT91SAM9260_ID_US5:
1142                         pdev = &at91sam9260_uart5_device;
1143                         configure_usart5_pins();
1144                         break;
1145                 default:
1146                         return;
1147         }
1148         pdata = pdev->dev.platform_data;
1149         pdata->num = portnr;            /* update to mapped ID */
1150
1151         if (portnr < ATMEL_MAX_UART)
1152                 at91_uarts[portnr] = pdev;
1153 }
1154
1155 void __init at91_add_device_serial(void)
1156 {
1157         int i;
1158
1159         for (i = 0; i < ATMEL_MAX_UART; i++) {
1160                 if (at91_uarts[i])
1161                         platform_device_register(at91_uarts[i]);
1162         }
1163 }
1164 #else
1165 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1166 void __init at91_add_device_serial(void) {}
1167 #endif
1168
1169 /* --------------------------------------------------------------------
1170  *  CF/IDE
1171  * -------------------------------------------------------------------- */
1172
1173 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
1174         defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
1175
1176 static struct at91_cf_data cf0_data;
1177
1178 static struct resource cf0_resources[] = {
1179         [0] = {
1180                 .start  = AT91_CHIPSELECT_4,
1181                 .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
1182                 .flags  = IORESOURCE_MEM,
1183         }
1184 };
1185
1186 static struct platform_device cf0_device = {
1187         .id             = 0,
1188         .dev            = {
1189                                 .platform_data  = &cf0_data,
1190         },
1191         .resource       = cf0_resources,
1192         .num_resources  = ARRAY_SIZE(cf0_resources),
1193 };
1194
1195 static struct at91_cf_data cf1_data;
1196
1197 static struct resource cf1_resources[] = {
1198         [0] = {
1199                 .start  = AT91_CHIPSELECT_5,
1200                 .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
1201                 .flags  = IORESOURCE_MEM,
1202         }
1203 };
1204
1205 static struct platform_device cf1_device = {
1206         .id             = 1,
1207         .dev            = {
1208                                 .platform_data  = &cf1_data,
1209         },
1210         .resource       = cf1_resources,
1211         .num_resources  = ARRAY_SIZE(cf1_resources),
1212 };
1213
1214 void __init at91_add_device_cf(struct at91_cf_data *data)
1215 {
1216         struct platform_device *pdev;
1217         unsigned long csa;
1218
1219         if (!data)
1220                 return;
1221
1222         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
1223
1224         switch (data->chipselect) {
1225         case 4:
1226                 at91_set_multi_drive(AT91_PIN_PC8, 0);
1227                 at91_set_A_periph(AT91_PIN_PC8, 0);
1228                 csa |= AT91_MATRIX_CS4A_SMC_CF1;
1229                 cf0_data = *data;
1230                 pdev = &cf0_device;
1231                 break;
1232         case 5:
1233                 at91_set_multi_drive(AT91_PIN_PC9, 0);
1234                 at91_set_A_periph(AT91_PIN_PC9, 0);
1235                 csa |= AT91_MATRIX_CS5A_SMC_CF2;
1236                 cf1_data = *data;
1237                 pdev = &cf1_device;
1238                 break;
1239         default:
1240                 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
1241                        data->chipselect);
1242                 return;
1243         }
1244
1245         at91_matrix_write(AT91_MATRIX_EBICSA, csa);
1246
1247         if (gpio_is_valid(data->rst_pin)) {
1248                 at91_set_multi_drive(data->rst_pin, 0);
1249                 at91_set_gpio_output(data->rst_pin, 1);
1250         }
1251
1252         if (gpio_is_valid(data->irq_pin)) {
1253                 at91_set_gpio_input(data->irq_pin, 0);
1254                 at91_set_deglitch(data->irq_pin, 1);
1255         }
1256
1257         if (gpio_is_valid(data->det_pin)) {
1258                 at91_set_gpio_input(data->det_pin, 0);
1259                 at91_set_deglitch(data->det_pin, 1);
1260         }
1261
1262         at91_set_B_periph(AT91_PIN_PC6, 0);     /* CFCE1 */
1263         at91_set_B_periph(AT91_PIN_PC7, 0);     /* CFCE2 */
1264         at91_set_A_periph(AT91_PIN_PC10, 0);    /* CFRNW */
1265         at91_set_A_periph(AT91_PIN_PC15, 1);    /* NWAIT */
1266
1267         if (data->flags & AT91_CF_TRUE_IDE)
1268 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
1269                 pdev->name = "pata_at91";
1270 #else
1271 #warning "board requires AT91_CF_TRUE_IDE: enable pata_at91"
1272 #endif
1273         else
1274                 pdev->name = "at91_cf";
1275
1276         platform_device_register(pdev);
1277 }
1278
1279 #else
1280 void __init at91_add_device_cf(struct at91_cf_data * data) {}
1281 #endif
1282
1283 /* --------------------------------------------------------------------
1284  *  ADCs
1285  * -------------------------------------------------------------------- */
1286
1287 #if IS_ENABLED(CONFIG_AT91_ADC)
1288 static struct at91_adc_data adc_data;
1289
1290 static struct resource adc_resources[] = {
1291         [0] = {
1292                 .start  = AT91SAM9260_BASE_ADC,
1293                 .end    = AT91SAM9260_BASE_ADC + SZ_16K - 1,
1294                 .flags  = IORESOURCE_MEM,
1295         },
1296         [1] = {
1297                 .start  = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
1298                 .end    = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
1299                 .flags  = IORESOURCE_IRQ,
1300         },
1301 };
1302
1303 static struct platform_device at91_adc_device = {
1304         .name           = "at91_adc",
1305         .id             = -1,
1306         .dev            = {
1307                                 .platform_data          = &adc_data,
1308         },
1309         .resource       = adc_resources,
1310         .num_resources  = ARRAY_SIZE(adc_resources),
1311 };
1312
1313 static struct at91_adc_trigger at91_adc_triggers[] = {
1314         [0] = {
1315                 .name = "timer-counter-0",
1316                 .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN,
1317         },
1318         [1] = {
1319                 .name = "timer-counter-1",
1320                 .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN,
1321         },
1322         [2] = {
1323                 .name = "timer-counter-2",
1324                 .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN,
1325         },
1326         [3] = {
1327                 .name = "external",
1328                 .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN,
1329                 .is_external = true,
1330         },
1331 };
1332
1333 static struct at91_adc_reg_desc at91_adc_register_g20 = {
1334         .channel_base = AT91_ADC_CHR(0),
1335         .drdy_mask = AT91_ADC_DRDY,
1336         .status_register = AT91_ADC_SR,
1337         .trigger_register = AT91_ADC_MR,
1338 };
1339
1340 void __init at91_add_device_adc(struct at91_adc_data *data)
1341 {
1342         if (!data)
1343                 return;
1344
1345         if (test_bit(0, &data->channels_used))
1346                 at91_set_A_periph(AT91_PIN_PC0, 0);
1347         if (test_bit(1, &data->channels_used))
1348                 at91_set_A_periph(AT91_PIN_PC1, 0);
1349         if (test_bit(2, &data->channels_used))
1350                 at91_set_A_periph(AT91_PIN_PC2, 0);
1351         if (test_bit(3, &data->channels_used))
1352                 at91_set_A_periph(AT91_PIN_PC3, 0);
1353
1354         if (data->use_external_triggers)
1355                 at91_set_A_periph(AT91_PIN_PA22, 0);
1356
1357         data->num_channels = 4;
1358         data->startup_time = 10;
1359         data->registers = &at91_adc_register_g20;
1360         data->trigger_number = 4;
1361         data->trigger_list = at91_adc_triggers;
1362
1363         adc_data = *data;
1364         platform_device_register(&at91_adc_device);
1365 }
1366 #else
1367 void __init at91_add_device_adc(struct at91_adc_data *data) {}
1368 #endif
1369
1370 /* -------------------------------------------------------------------- */
1371 /*
1372  * These devices are always present and don't need any board-specific
1373  * setup.
1374  */
1375 static int __init at91_add_standard_devices(void)
1376 {
1377         if (of_have_populated_dt())
1378                 return 0;
1379
1380         at91_add_device_rtt();
1381         at91_add_device_watchdog();
1382         at91_add_device_tc();
1383         return 0;
1384 }
1385
1386 arch_initcall(at91_add_standard_devices);