arch/arm/mach-at91/at91sam9g45_devices.c

   1 /*
   2  *  On-Chip devices setup code for the AT91SAM9G45 family
   3  *
   4  *  Copyright (C) 2009 Atmel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  */
  12 #include <asm/mach/arch.h>
  13 #include <asm/mach/map.h>
  14
  15 #include <linux/dma-mapping.h>
  16 #include <linux/gpio.h>
  17 #include <linux/clk.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/i2c-gpio.h>
  20 #include <linux/atmel-mci.h>
  21
  22 #include <linux/fb.h>
  23 #include <video/atmel_lcdc.h>
  24
  25 #include <mach/board.h>
  26 #include <mach/at91sam9g45.h>
  27 #include <mach/at91sam9g45_matrix.h>
  28 #include <mach/at91_matrix.h>
  29 #include <mach/at91sam9_smc.h>
  30 #include <mach/at_hdmac.h>
  31 #include <mach/atmel-mci.h>
  32
  33 #include <media/atmel-isi.h>
  34
  35 #include "generic.h"
  36 #include "clock.h"
  37
  38
  39 /* --------------------------------------------------------------------
  40  *  HDMAC - AHB DMA Controller
  41  * -------------------------------------------------------------------- */
  42
  43 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
  44 static u64 hdmac_dmamask = DMA_BIT_MASK(32);
  45
  46 static struct resource hdmac_resources[] = {
  47         [0] = {
  48                 .start  = AT91SAM9G45_BASE_DMA,
  49                 .end    = AT91SAM9G45_BASE_DMA + SZ_512 - 1,
  50                 .flags  = IORESOURCE_MEM,
  51         },
  52         [1] = {
  53                 .start  = AT91SAM9G45_ID_DMA,
  54                 .end    = AT91SAM9G45_ID_DMA,
  55                 .flags  = IORESOURCE_IRQ,
  56         },
  57 };
  58
  59 static struct platform_device at_hdmac_device = {
  60         .name           = "at91sam9g45_dma",
  61         .id             = -1,
  62         .dev            = {
  63                                 .dma_mask               = &hdmac_dmamask,
  64                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  65         },
  66         .resource       = hdmac_resources,
  67         .num_resources  = ARRAY_SIZE(hdmac_resources),
  68 };
  69
  70 void __init at91_add_device_hdmac(void)
  71 {
  72 #if defined(CONFIG_OF)
  73         struct device_node *of_node =
  74                 of_find_node_by_name(NULL, "dma-controller");
  75
  76         if (of_node)
  77                 of_node_put(of_node);
  78         else
  79 #endif
  80                 platform_device_register(&at_hdmac_device);
  81 }
  82 #else
  83 void __init at91_add_device_hdmac(void) {}
  84 #endif
  85
  86
  87 /* --------------------------------------------------------------------
  88  *  USB Host (OHCI)
  89  * -------------------------------------------------------------------- */
  90
  91 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  92 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  93 static struct at91_usbh_data usbh_ohci_data;
  94
  95 static struct resource usbh_ohci_resources[] = {
  96         [0] = {
  97                 .start  = AT91SAM9G45_OHCI_BASE,
  98                 .end    = AT91SAM9G45_OHCI_BASE + SZ_1M - 1,
  99                 .flags  = IORESOURCE_MEM,
 100         },
 101         [1] = {
 102                 .start  = AT91SAM9G45_ID_UHPHS,
 103                 .end    = AT91SAM9G45_ID_UHPHS,
 104                 .flags  = IORESOURCE_IRQ,
 105         },
 106 };
 107
 108 static struct platform_device at91_usbh_ohci_device = {
 109         .name           = "at91_ohci",
 110         .id             = -1,
 111         .dev            = {
 112                                 .dma_mask               = &ohci_dmamask,
 113                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 114                                 .platform_data          = &usbh_ohci_data,
 115         },
 116         .resource       = usbh_ohci_resources,
 117         .num_resources  = ARRAY_SIZE(usbh_ohci_resources),
 118 };
 119
 120 void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
 121 {
 122         int i;
 123
 124         if (!data)
 125                 return;
 126
 127         /* Enable VBus control for UHP ports */
 128         for (i = 0; i < data->ports; i++) {
 129                 if (gpio_is_valid(data->vbus_pin[i]))
 130                         at91_set_gpio_output(data->vbus_pin[i], 0);
 131         }
 132
 133         /* Enable overcurrent notification */
 134         for (i = 0; i < data->ports; i++) {
 135                 if (data->overcurrent_pin[i])
 136                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
 137         }
 138
 139         usbh_ohci_data = *data;
 140         platform_device_register(&at91_usbh_ohci_device);
 141 }
 142 #else
 143 void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {}
 144 #endif
 145
 146
 147 /* --------------------------------------------------------------------
 148  *  USB Host HS (EHCI)
 149  *  Needs an OHCI host for low and full speed management
 150  * -------------------------------------------------------------------- */
 151
 152 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
 153 static u64 ehci_dmamask = DMA_BIT_MASK(32);
 154 static struct at91_usbh_data usbh_ehci_data;
 155
 156 static struct resource usbh_ehci_resources[] = {
 157         [0] = {
 158                 .start  = AT91SAM9G45_EHCI_BASE,
 159                 .end    = AT91SAM9G45_EHCI_BASE + SZ_1M - 1,
 160                 .flags  = IORESOURCE_MEM,
 161         },
 162         [1] = {
 163                 .start  = AT91SAM9G45_ID_UHPHS,
 164                 .end    = AT91SAM9G45_ID_UHPHS,
 165                 .flags  = IORESOURCE_IRQ,
 166         },
 167 };
 168
 169 static struct platform_device at91_usbh_ehci_device = {
 170         .name           = "atmel-ehci",
 171         .id             = -1,
 172         .dev            = {
 173                                 .dma_mask               = &ehci_dmamask,
 174                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 175                                 .platform_data          = &usbh_ehci_data,
 176         },
 177         .resource       = usbh_ehci_resources,
 178         .num_resources  = ARRAY_SIZE(usbh_ehci_resources),
 179 };
 180
 181 void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
 182 {
 183         int i;
 184
 185         if (!data)
 186                 return;
 187
 188         /* Enable VBus control for UHP ports */
 189         for (i = 0; i < data->ports; i++) {
 190                 if (gpio_is_valid(data->vbus_pin[i]))
 191                         at91_set_gpio_output(data->vbus_pin[i], 0);
 192         }
 193
 194         usbh_ehci_data = *data;
 195         platform_device_register(&at91_usbh_ehci_device);
 196 }
 197 #else
 198 void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {}
 199 #endif
 200
 201
 202 /* --------------------------------------------------------------------
 203  *  USB HS Device (Gadget)
 204  * -------------------------------------------------------------------- */
 205
 206 #if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
 207 static struct resource usba_udc_resources[] = {
 208         [0] = {
 209                 .start  = AT91SAM9G45_UDPHS_FIFO,
 210                 .end    = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1,
 211                 .flags  = IORESOURCE_MEM,
 212         },
 213         [1] = {
 214                 .start  = AT91SAM9G45_BASE_UDPHS,
 215                 .end    = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1,
 216                 .flags  = IORESOURCE_MEM,
 217         },
 218         [2] = {
 219                 .start  = AT91SAM9G45_ID_UDPHS,
 220                 .end    = AT91SAM9G45_ID_UDPHS,
 221                 .flags  = IORESOURCE_IRQ,
 222         },
 223 };
 224
 225 #define EP(nam, idx, maxpkt, maxbk, dma, isoc)                  \
 226         [idx] = {                                               \
 227                 .name           = nam,                          \
 228                 .index          = idx,                          \
 229                 .fifo_size      = maxpkt,                       \
 230                 .nr_banks       = maxbk,                        \
 231                 .can_dma        = dma,                          \
 232                 .can_isoc       = isoc,                         \
 233         }
 234
 235 static struct usba_ep_data usba_udc_ep[] __initdata = {
 236         EP("ep0", 0, 64, 1, 0, 0),
 237         EP("ep1", 1, 1024, 2, 1, 1),
 238         EP("ep2", 2, 1024, 2, 1, 1),
 239         EP("ep3", 3, 1024, 3, 1, 0),
 240         EP("ep4", 4, 1024, 3, 1, 0),
 241         EP("ep5", 5, 1024, 3, 1, 1),
 242         EP("ep6", 6, 1024, 3, 1, 1),
 243 };
 244
 245 #undef EP
 246
 247 /*
 248  * pdata doesn't have room for any endpoints, so we need to
 249  * append room for the ones we need right after it.
 250  */
 251 static struct {
 252         struct usba_platform_data pdata;
 253         struct usba_ep_data ep[7];
 254 } usba_udc_data;
 255
 256 static struct platform_device at91_usba_udc_device = {
 257         .name           = "atmel_usba_udc",
 258         .id             = -1,
 259         .dev            = {
 260                                 .platform_data  = &usba_udc_data.pdata,
 261         },
 262         .resource       = usba_udc_resources,
 263         .num_resources  = ARRAY_SIZE(usba_udc_resources),
 264 };
 265
 266 void __init at91_add_device_usba(struct usba_platform_data *data)
 267 {
 268         usba_udc_data.pdata.vbus_pin = -EINVAL;
 269         usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
 270         memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));
 271
 272         if (data && gpio_is_valid(data->vbus_pin)) {
 273                 at91_set_gpio_input(data->vbus_pin, 0);
 274                 at91_set_deglitch(data->vbus_pin, 1);
 275                 usba_udc_data.pdata.vbus_pin = data->vbus_pin;
 276         }
 277
 278         /* Pullup pin is handled internally by USB device peripheral */
 279
 280         platform_device_register(&at91_usba_udc_device);
 281 }
 282 #else
 283 void __init at91_add_device_usba(struct usba_platform_data *data) {}
 284 #endif
 285
 286
 287 /* --------------------------------------------------------------------
 288  *  Ethernet
 289  * -------------------------------------------------------------------- */
 290
 291 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 292 static u64 eth_dmamask = DMA_BIT_MASK(32);
 293 static struct macb_platform_data eth_data;
 294
 295 static struct resource eth_resources[] = {
 296         [0] = {
 297                 .start  = AT91SAM9G45_BASE_EMAC,
 298                 .end    = AT91SAM9G45_BASE_EMAC + SZ_16K - 1,
 299                 .flags  = IORESOURCE_MEM,
 300         },
 301         [1] = {
 302                 .start  = AT91SAM9G45_ID_EMAC,
 303                 .end    = AT91SAM9G45_ID_EMAC,
 304                 .flags  = IORESOURCE_IRQ,
 305         },
 306 };
 307
 308 static struct platform_device at91sam9g45_eth_device = {
 309         .name           = "macb",
 310         .id             = -1,
 311         .dev            = {
 312                                 .dma_mask               = &eth_dmamask,
 313                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 314                                 .platform_data          = &eth_data,
 315         },
 316         .resource       = eth_resources,
 317         .num_resources  = ARRAY_SIZE(eth_resources),
 318 };
 319
 320 void __init at91_add_device_eth(struct macb_platform_data *data)
 321 {
 322         if (!data)
 323                 return;
 324
 325         if (gpio_is_valid(data->phy_irq_pin)) {
 326                 at91_set_gpio_input(data->phy_irq_pin, 0);
 327                 at91_set_deglitch(data->phy_irq_pin, 1);
 328         }
 329
 330         /* Pins used for MII and RMII */
 331         at91_set_A_periph(AT91_PIN_PA17, 0);    /* ETXCK_EREFCK */
 332         at91_set_A_periph(AT91_PIN_PA15, 0);    /* ERXDV */
 333         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ERX0 */
 334         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ERX1 */
 335         at91_set_A_periph(AT91_PIN_PA16, 0);    /* ERXER */
 336         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ETXEN */
 337         at91_set_A_periph(AT91_PIN_PA10, 0);    /* ETX0 */
 338         at91_set_A_periph(AT91_PIN_PA11, 0);    /* ETX1 */
 339         at91_set_A_periph(AT91_PIN_PA19, 0);    /* EMDIO */
 340         at91_set_A_periph(AT91_PIN_PA18, 0);    /* EMDC */
 341
 342         if (!data->is_rmii) {
 343                 at91_set_B_periph(AT91_PIN_PA29, 0);    /* ECRS */
 344                 at91_set_B_periph(AT91_PIN_PA30, 0);    /* ECOL */
 345                 at91_set_B_periph(AT91_PIN_PA8,  0);    /* ERX2 */
 346                 at91_set_B_periph(AT91_PIN_PA9,  0);    /* ERX3 */
 347                 at91_set_B_periph(AT91_PIN_PA28, 0);    /* ERXCK */
 348                 at91_set_B_periph(AT91_PIN_PA6,  0);    /* ETX2 */
 349                 at91_set_B_periph(AT91_PIN_PA7,  0);    /* ETX3 */
 350                 at91_set_B_periph(AT91_PIN_PA27, 0);    /* ETXER */
 351         }
 352
 353         eth_data = *data;
 354         platform_device_register(&at91sam9g45_eth_device);
 355 }
 356 #else
 357 void __init at91_add_device_eth(struct macb_platform_data *data) {}
 358 #endif
 359
 360
 361 /* --------------------------------------------------------------------
 362  *  MMC / SD
 363  * -------------------------------------------------------------------- */
 364
 365 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 366 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 367 static struct mci_platform_data mmc0_data, mmc1_data;
 368
 369 static struct resource mmc0_resources[] = {
 370         [0] = {
 371                 .start  = AT91SAM9G45_BASE_MCI0,
 372                 .end    = AT91SAM9G45_BASE_MCI0 + SZ_16K - 1,
 373                 .flags  = IORESOURCE_MEM,
 374         },
 375         [1] = {
 376                 .start  = AT91SAM9G45_ID_MCI0,
 377                 .end    = AT91SAM9G45_ID_MCI0,
 378                 .flags  = IORESOURCE_IRQ,
 379         },
 380 };
 381
 382 static struct platform_device at91sam9g45_mmc0_device = {
 383         .name           = "atmel_mci",
 384         .id             = 0,
 385         .dev            = {
 386                                 .dma_mask               = &mmc_dmamask,
 387                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 388                                 .platform_data          = &mmc0_data,
 389         },
 390         .resource       = mmc0_resources,
 391         .num_resources  = ARRAY_SIZE(mmc0_resources),
 392 };
 393
 394 static struct resource mmc1_resources[] = {
 395         [0] = {
 396                 .start  = AT91SAM9G45_BASE_MCI1,
 397                 .end    = AT91SAM9G45_BASE_MCI1 + SZ_16K - 1,
 398                 .flags  = IORESOURCE_MEM,
 399         },
 400         [1] = {
 401                 .start  = AT91SAM9G45_ID_MCI1,
 402                 .end    = AT91SAM9G45_ID_MCI1,
 403                 .flags  = IORESOURCE_IRQ,
 404         },
 405 };
 406
 407 static struct platform_device at91sam9g45_mmc1_device = {
 408         .name           = "atmel_mci",
 409         .id             = 1,
 410         .dev            = {
 411                                 .dma_mask               = &mmc_dmamask,
 412                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 413                                 .platform_data          = &mmc1_data,
 414         },
 415         .resource       = mmc1_resources,
 416         .num_resources  = ARRAY_SIZE(mmc1_resources),
 417 };
 418
 419 /* Consider only one slot : slot 0 */
 420 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
 421 {
 422
 423         if (!data)
 424                 return;
 425
 426         /* Must have at least one usable slot */
 427         if (!data->slot[0].bus_width)
 428                 return;
 429
 430 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
 431         {
 432         struct at_dma_slave     *atslave;
 433         struct mci_dma_data     *alt_atslave;
 434
 435         alt_atslave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
 436         atslave = &alt_atslave->sdata;
 437
 438         /* DMA slave channel configuration */
 439         atslave->dma_dev = &at_hdmac_device.dev;
 440         atslave->reg_width = AT_DMA_SLAVE_WIDTH_32BIT;
 441         atslave->cfg = ATC_FIFOCFG_HALFFIFO
 442                         | ATC_SRC_H2SEL_HW | ATC_DST_H2SEL_HW;
 443         atslave->ctrla = ATC_SCSIZE_16 | ATC_DCSIZE_16;
 444         if (mmc_id == 0)        /* MCI0 */
 445                 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI0)
 446                               | ATC_DST_PER(AT_DMA_ID_MCI0);
 447
 448         else                    /* MCI1 */
 449                 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI1)
 450                               | ATC_DST_PER(AT_DMA_ID_MCI1);
 451
 452         data->dma_slave = alt_atslave;
 453         }
 454 #endif
 455
 456
 457         /* input/irq */
 458         if (gpio_is_valid(data->slot[0].detect_pin)) {
 459                 at91_set_gpio_input(data->slot[0].detect_pin, 1);
 460                 at91_set_deglitch(data->slot[0].detect_pin, 1);
 461         }
 462         if (gpio_is_valid(data->slot[0].wp_pin))
 463                 at91_set_gpio_input(data->slot[0].wp_pin, 1);
 464
 465         if (mmc_id == 0) {              /* MCI0 */
 466
 467                 /* CLK */
 468                 at91_set_A_periph(AT91_PIN_PA0, 0);
 469
 470                 /* CMD */
 471                 at91_set_A_periph(AT91_PIN_PA1, 1);
 472
 473                 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
 474                 at91_set_A_periph(AT91_PIN_PA2, 1);
 475                 if (data->slot[0].bus_width == 4) {
 476                         at91_set_A_periph(AT91_PIN_PA3, 1);
 477                         at91_set_A_periph(AT91_PIN_PA4, 1);
 478                         at91_set_A_periph(AT91_PIN_PA5, 1);
 479                         if (data->slot[0].bus_width == 8) {
 480                                 at91_set_A_periph(AT91_PIN_PA6, 1);
 481                                 at91_set_A_periph(AT91_PIN_PA7, 1);
 482                                 at91_set_A_periph(AT91_PIN_PA8, 1);
 483                                 at91_set_A_periph(AT91_PIN_PA9, 1);
 484                         }
 485                 }
 486
 487                 mmc0_data = *data;
 488                 platform_device_register(&at91sam9g45_mmc0_device);
 489
 490         } else {                        /* MCI1 */
 491
 492                 /* CLK */
 493                 at91_set_A_periph(AT91_PIN_PA31, 0);
 494
 495                 /* CMD */
 496                 at91_set_A_periph(AT91_PIN_PA22, 1);
 497
 498                 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
 499                 at91_set_A_periph(AT91_PIN_PA23, 1);
 500                 if (data->slot[0].bus_width == 4) {
 501                         at91_set_A_periph(AT91_PIN_PA24, 1);
 502                         at91_set_A_periph(AT91_PIN_PA25, 1);
 503                         at91_set_A_periph(AT91_PIN_PA26, 1);
 504                         if (data->slot[0].bus_width == 8) {
 505                                 at91_set_A_periph(AT91_PIN_PA27, 1);
 506                                 at91_set_A_periph(AT91_PIN_PA28, 1);
 507                                 at91_set_A_periph(AT91_PIN_PA29, 1);
 508                                 at91_set_A_periph(AT91_PIN_PA30, 1);
 509                         }
 510                 }
 511
 512                 mmc1_data = *data;
 513                 platform_device_register(&at91sam9g45_mmc1_device);
 514
 515         }
 516 }
 517 #else
 518 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
 519 #endif
 520
 521
 522 /* --------------------------------------------------------------------
 523  *  NAND / SmartMedia
 524  * -------------------------------------------------------------------- */
 525
 526 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 527 static struct atmel_nand_data nand_data;
 528
 529 #define NAND_BASE       AT91_CHIPSELECT_3
 530
 531 static struct resource nand_resources[] = {
 532         [0] = {
 533                 .start  = NAND_BASE,
 534                 .end    = NAND_BASE + SZ_256M - 1,
 535                 .flags  = IORESOURCE_MEM,
 536         },
 537         [1] = {
 538                 .start  = AT91SAM9G45_BASE_ECC,
 539                 .end    = AT91SAM9G45_BASE_ECC + SZ_512 - 1,
 540                 .flags  = IORESOURCE_MEM,
 541         }
 542 };
 543
 544 static struct platform_device at91sam9g45_nand_device = {
 545         .name           = "atmel_nand",
 546         .id             = -1,
 547         .dev            = {
 548                                 .platform_data  = &nand_data,
 549         },
 550         .resource       = nand_resources,
 551         .num_resources  = ARRAY_SIZE(nand_resources),
 552 };
 553
 554 void __init at91_add_device_nand(struct atmel_nand_data *data)
 555 {
 556         unsigned long csa;
 557
 558         if (!data)
 559                 return;
 560
 561         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
 562         at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA);
 563
 564         /* enable pin */
 565         if (gpio_is_valid(data->enable_pin))
 566                 at91_set_gpio_output(data->enable_pin, 1);
 567
 568         /* ready/busy pin */
 569         if (gpio_is_valid(data->rdy_pin))
 570                 at91_set_gpio_input(data->rdy_pin, 1);
 571
 572         /* card detect pin */
 573         if (gpio_is_valid(data->det_pin))
 574                 at91_set_gpio_input(data->det_pin, 1);
 575
 576         nand_data = *data;
 577         platform_device_register(&at91sam9g45_nand_device);
 578 }
 579 #else
 580 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 581 #endif
 582
 583
 584 /* --------------------------------------------------------------------
 585  *  TWI (i2c)
 586  * -------------------------------------------------------------------- */
 587
 588 /*
 589  * Prefer the GPIO code since the TWI controller isn't robust
 590  * (gets overruns and underruns under load) and can only issue
 591  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 592  */
 593 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 594 static struct i2c_gpio_platform_data pdata_i2c0 = {
 595         .sda_pin                = AT91_PIN_PA20,
 596         .sda_is_open_drain      = 1,
 597         .scl_pin                = AT91_PIN_PA21,
 598         .scl_is_open_drain      = 1,
 599         .udelay                 = 5,            /* ~100 kHz */
 600 };
 601
 602 static struct platform_device at91sam9g45_twi0_device = {
 603         .name                   = "i2c-gpio",
 604         .id                     = 0,
 605         .dev.platform_data      = &pdata_i2c0,
 606 };
 607
 608 static struct i2c_gpio_platform_data pdata_i2c1 = {
 609         .sda_pin                = AT91_PIN_PB10,
 610         .sda_is_open_drain      = 1,
 611         .scl_pin                = AT91_PIN_PB11,
 612         .scl_is_open_drain      = 1,
 613         .udelay                 = 5,            /* ~100 kHz */
 614 };
 615
 616 static struct platform_device at91sam9g45_twi1_device = {
 617         .name                   = "i2c-gpio",
 618         .id                     = 1,
 619         .dev.platform_data      = &pdata_i2c1,
 620 };
 621
 622 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices)
 623 {
 624         i2c_register_board_info(i2c_id, devices, nr_devices);
 625
 626         if (i2c_id == 0) {
 627                 at91_set_GPIO_periph(AT91_PIN_PA20, 1);         /* TWD (SDA) */
 628                 at91_set_multi_drive(AT91_PIN_PA20, 1);
 629
 630                 at91_set_GPIO_periph(AT91_PIN_PA21, 1);         /* TWCK (SCL) */
 631                 at91_set_multi_drive(AT91_PIN_PA21, 1);
 632
 633                 platform_device_register(&at91sam9g45_twi0_device);
 634         } else {
 635                 at91_set_GPIO_periph(AT91_PIN_PB10, 1);         /* TWD (SDA) */
 636                 at91_set_multi_drive(AT91_PIN_PB10, 1);
 637
 638                 at91_set_GPIO_periph(AT91_PIN_PB11, 1);         /* TWCK (SCL) */
 639                 at91_set_multi_drive(AT91_PIN_PB11, 1);
 640
 641                 platform_device_register(&at91sam9g45_twi1_device);
 642         }
 643 }
 644
 645 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 646 static struct resource twi0_resources[] = {
 647         [0] = {
 648                 .start  = AT91SAM9G45_BASE_TWI0,
 649                 .end    = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1,
 650                 .flags  = IORESOURCE_MEM,
 651         },
 652         [1] = {
 653                 .start  = AT91SAM9G45_ID_TWI0,
 654                 .end    = AT91SAM9G45_ID_TWI0,
 655                 .flags  = IORESOURCE_IRQ,
 656         },
 657 };
 658
 659 static struct platform_device at91sam9g45_twi0_device = {
 660         .name           = "at91_i2c",
 661         .id             = 0,
 662         .resource       = twi0_resources,
 663         .num_resources  = ARRAY_SIZE(twi0_resources),
 664 };
 665
 666 static struct resource twi1_resources[] = {
 667         [0] = {
 668                 .start  = AT91SAM9G45_BASE_TWI1,
 669                 .end    = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1,
 670                 .flags  = IORESOURCE_MEM,
 671         },
 672         [1] = {
 673                 .start  = AT91SAM9G45_ID_TWI1,
 674                 .end    = AT91SAM9G45_ID_TWI1,
 675                 .flags  = IORESOURCE_IRQ,
 676         },
 677 };
 678
 679 static struct platform_device at91sam9g45_twi1_device = {
 680         .name           = "at91_i2c",
 681         .id             = 1,
 682         .resource       = twi1_resources,
 683         .num_resources  = ARRAY_SIZE(twi1_resources),
 684 };
 685
 686 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices)
 687 {
 688         i2c_register_board_info(i2c_id, devices, nr_devices);
 689
 690         /* pins used for TWI interface */
 691         if (i2c_id == 0) {
 692                 at91_set_A_periph(AT91_PIN_PA20, 0);            /* TWD */
 693                 at91_set_multi_drive(AT91_PIN_PA20, 1);
 694
 695                 at91_set_A_periph(AT91_PIN_PA21, 0);            /* TWCK */
 696                 at91_set_multi_drive(AT91_PIN_PA21, 1);
 697
 698                 platform_device_register(&at91sam9g45_twi0_device);
 699         } else {
 700                 at91_set_A_periph(AT91_PIN_PB10, 0);            /* TWD */
 701                 at91_set_multi_drive(AT91_PIN_PB10, 1);
 702
 703                 at91_set_A_periph(AT91_PIN_PB11, 0);            /* TWCK */
 704                 at91_set_multi_drive(AT91_PIN_PB11, 1);
 705
 706                 platform_device_register(&at91sam9g45_twi1_device);
 707         }
 708 }
 709 #else
 710 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {}
 711 #endif
 712
 713
 714 /* --------------------------------------------------------------------
 715  *  SPI
 716  * -------------------------------------------------------------------- */
 717
 718 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 719 static u64 spi_dmamask = DMA_BIT_MASK(32);
 720
 721 static struct resource spi0_resources[] = {
 722         [0] = {
 723                 .start  = AT91SAM9G45_BASE_SPI0,
 724                 .end    = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1,
 725                 .flags  = IORESOURCE_MEM,
 726         },
 727         [1] = {
 728                 .start  = AT91SAM9G45_ID_SPI0,
 729                 .end    = AT91SAM9G45_ID_SPI0,
 730                 .flags  = IORESOURCE_IRQ,
 731         },
 732 };
 733
 734 static struct platform_device at91sam9g45_spi0_device = {
 735         .name           = "atmel_spi",
 736         .id             = 0,
 737         .dev            = {
 738                                 .dma_mask               = &spi_dmamask,
 739                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 740         },
 741         .resource       = spi0_resources,
 742         .num_resources  = ARRAY_SIZE(spi0_resources),
 743 };
 744
 745 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 };
 746
 747 static struct resource spi1_resources[] = {
 748         [0] = {
 749                 .start  = AT91SAM9G45_BASE_SPI1,
 750                 .end    = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1,
 751                 .flags  = IORESOURCE_MEM,
 752         },
 753         [1] = {
 754                 .start  = AT91SAM9G45_ID_SPI1,
 755                 .end    = AT91SAM9G45_ID_SPI1,
 756                 .flags  = IORESOURCE_IRQ,
 757         },
 758 };
 759
 760 static struct platform_device at91sam9g45_spi1_device = {
 761         .name           = "atmel_spi",
 762         .id             = 1,
 763         .dev            = {
 764                                 .dma_mask               = &spi_dmamask,
 765                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 766         },
 767         .resource       = spi1_resources,
 768         .num_resources  = ARRAY_SIZE(spi1_resources),
 769 };
 770
 771 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 };
 772
 773 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 774 {
 775         int i;
 776         unsigned long cs_pin;
 777         short enable_spi0 = 0;
 778         short enable_spi1 = 0;
 779
 780         /* Choose SPI chip-selects */
 781         for (i = 0; i < nr_devices; i++) {
 782                 if (devices[i].controller_data)
 783                         cs_pin = (unsigned long) devices[i].controller_data;
 784                 else if (devices[i].bus_num == 0)
 785                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 786                 else
 787                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 788
 789                 if (devices[i].bus_num == 0)
 790                         enable_spi0 = 1;
 791                 else
 792                         enable_spi1 = 1;
 793
 794                 /* enable chip-select pin */
 795                 at91_set_gpio_output(cs_pin, 1);
 796
 797                 /* pass chip-select pin to driver */
 798                 devices[i].controller_data = (void *) cs_pin;
 799         }
 800
 801         spi_register_board_info(devices, nr_devices);
 802
 803         /* Configure SPI bus(es) */
 804         if (enable_spi0) {
 805                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI0_MISO */
 806                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI0_MOSI */
 807                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI0_SPCK */
 808
 809                 platform_device_register(&at91sam9g45_spi0_device);
 810         }
 811         if (enable_spi1) {
 812                 at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_MISO */
 813                 at91_set_A_periph(AT91_PIN_PB15, 0);    /* SPI1_MOSI */
 814                 at91_set_A_periph(AT91_PIN_PB16, 0);    /* SPI1_SPCK */
 815
 816                 platform_device_register(&at91sam9g45_spi1_device);
 817         }
 818 }
 819 #else
 820 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 821 #endif
 822
 823
 824 /* --------------------------------------------------------------------
 825  *  AC97
 826  * -------------------------------------------------------------------- */
 827
 828 #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
 829 static u64 ac97_dmamask = DMA_BIT_MASK(32);
 830 static struct ac97c_platform_data ac97_data;
 831
 832 static struct resource ac97_resources[] = {
 833         [0] = {
 834                 .start  = AT91SAM9G45_BASE_AC97C,
 835                 .end    = AT91SAM9G45_BASE_AC97C + SZ_16K - 1,
 836                 .flags  = IORESOURCE_MEM,
 837         },
 838         [1] = {
 839                 .start  = AT91SAM9G45_ID_AC97C,
 840                 .end    = AT91SAM9G45_ID_AC97C,
 841                 .flags  = IORESOURCE_IRQ,
 842         },
 843 };
 844
 845 static struct platform_device at91sam9g45_ac97_device = {
 846         .name           = "atmel_ac97c",
 847         .id             = 0,
 848         .dev            = {
 849                                 .dma_mask               = &ac97_dmamask,
 850                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 851                                 .platform_data          = &ac97_data,
 852         },
 853         .resource       = ac97_resources,
 854         .num_resources  = ARRAY_SIZE(ac97_resources),
 855 };
 856
 857 void __init at91_add_device_ac97(struct ac97c_platform_data *data)
 858 {
 859         if (!data)
 860                 return;
 861
 862         at91_set_A_periph(AT91_PIN_PD8, 0);     /* AC97FS */
 863         at91_set_A_periph(AT91_PIN_PD9, 0);     /* AC97CK */
 864         at91_set_A_periph(AT91_PIN_PD7, 0);     /* AC97TX */
 865         at91_set_A_periph(AT91_PIN_PD6, 0);     /* AC97RX */
 866
 867         /* reset */
 868         if (gpio_is_valid(data->reset_pin))
 869                 at91_set_gpio_output(data->reset_pin, 0);
 870
 871         ac97_data = *data;
 872         platform_device_register(&at91sam9g45_ac97_device);
 873 }
 874 #else
 875 void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
 876 #endif
 877
 878 /* --------------------------------------------------------------------
 879  *  Image Sensor Interface
 880  * -------------------------------------------------------------------- */
 881 #if defined(CONFIG_VIDEO_ATMEL_ISI) || defined(CONFIG_VIDEO_ATMEL_ISI_MODULE)
 882 static u64 isi_dmamask = DMA_BIT_MASK(32);
 883 static struct isi_platform_data isi_data;
 884
 885 struct resource isi_resources[] = {
 886         [0] = {
 887                 .start  = AT91SAM9G45_BASE_ISI,
 888                 .end    = AT91SAM9G45_BASE_ISI + SZ_16K - 1,
 889                 .flags  = IORESOURCE_MEM,
 890         },
 891         [1] = {
 892                 .start  = AT91SAM9G45_ID_ISI,
 893                 .end    = AT91SAM9G45_ID_ISI,
 894                 .flags  = IORESOURCE_IRQ,
 895         },
 896 };
 897
 898 static struct platform_device at91sam9g45_isi_device = {
 899         .name           = "atmel_isi",
 900         .id             = 0,
 901         .dev            = {
 902                         .dma_mask               = &isi_dmamask,
 903                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 904                         .platform_data          = &isi_data,
 905         },
 906         .resource       = isi_resources,
 907         .num_resources  = ARRAY_SIZE(isi_resources),
 908 };
 909
 910 static struct clk_lookup isi_mck_lookups[] = {
 911         CLKDEV_CON_DEV_ID("isi_mck", "atmel_isi.0", NULL),
 912 };
 913
 914 void __init at91_add_device_isi(struct isi_platform_data *data,
 915                 bool use_pck_as_mck)
 916 {
 917         struct clk *pck;
 918         struct clk *parent;
 919
 920         if (!data)
 921                 return;
 922         isi_data = *data;
 923
 924         at91_set_A_periph(AT91_PIN_PB20, 0);    /* ISI_D0 */
 925         at91_set_A_periph(AT91_PIN_PB21, 0);    /* ISI_D1 */
 926         at91_set_A_periph(AT91_PIN_PB22, 0);    /* ISI_D2 */
 927         at91_set_A_periph(AT91_PIN_PB23, 0);    /* ISI_D3 */
 928         at91_set_A_periph(AT91_PIN_PB24, 0);    /* ISI_D4 */
 929         at91_set_A_periph(AT91_PIN_PB25, 0);    /* ISI_D5 */
 930         at91_set_A_periph(AT91_PIN_PB26, 0);    /* ISI_D6 */
 931         at91_set_A_periph(AT91_PIN_PB27, 0);    /* ISI_D7 */
 932         at91_set_A_periph(AT91_PIN_PB28, 0);    /* ISI_PCK */
 933         at91_set_A_periph(AT91_PIN_PB30, 0);    /* ISI_HSYNC */
 934         at91_set_A_periph(AT91_PIN_PB29, 0);    /* ISI_VSYNC */
 935         at91_set_B_periph(AT91_PIN_PB8, 0);     /* ISI_PD8 */
 936         at91_set_B_periph(AT91_PIN_PB9, 0);     /* ISI_PD9 */
 937         at91_set_B_periph(AT91_PIN_PB10, 0);    /* ISI_PD10 */
 938         at91_set_B_periph(AT91_PIN_PB11, 0);    /* ISI_PD11 */
 939
 940         platform_device_register(&at91sam9g45_isi_device);
 941
 942         if (use_pck_as_mck) {
 943                 at91_set_B_periph(AT91_PIN_PB31, 0);    /* ISI_MCK (PCK1) */
 944
 945                 pck = clk_get(NULL, "pck1");
 946                 parent = clk_get(NULL, "plla");
 947
 948                 BUG_ON(IS_ERR(pck) || IS_ERR(parent));
 949
 950                 if (clk_set_parent(pck, parent)) {
 951                         pr_err("Failed to set PCK's parent\n");
 952                 } else {
 953                         /* Register PCK as ISI_MCK */
 954                         isi_mck_lookups[0].clk = pck;
 955                         clkdev_add_table(isi_mck_lookups,
 956                                         ARRAY_SIZE(isi_mck_lookups));
 957                 }
 958
 959                 clk_put(pck);
 960                 clk_put(parent);
 961         }
 962 }
 963 #else
 964 void __init at91_add_device_isi(struct isi_platform_data *data,
 965                 bool use_pck_as_mck) {}
 966 #endif
 967
 968
 969 /* --------------------------------------------------------------------
 970  *  LCD Controller
 971  * -------------------------------------------------------------------- */
 972
 973 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 974 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 975 static struct atmel_lcdfb_info lcdc_data;
 976
 977 static struct resource lcdc_resources[] = {
 978         [0] = {
 979                 .start  = AT91SAM9G45_LCDC_BASE,
 980                 .end    = AT91SAM9G45_LCDC_BASE + SZ_4K - 1,
 981                 .flags  = IORESOURCE_MEM,
 982         },
 983         [1] = {
 984                 .start  = AT91SAM9G45_ID_LCDC,
 985                 .end    = AT91SAM9G45_ID_LCDC,
 986                 .flags  = IORESOURCE_IRQ,
 987         },
 988 };
 989
 990 static struct platform_device at91_lcdc_device = {
 991         .name           = "atmel_lcdfb",
 992         .id             = 0,
 993         .dev            = {
 994                                 .dma_mask               = &lcdc_dmamask,
 995                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 996                                 .platform_data          = &lcdc_data,
 997         },
 998         .resource       = lcdc_resources,
 999         .num_resources  = ARRAY_SIZE(lcdc_resources),
1000 };
1001
1002 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
1003 {
1004         if (!data)
1005                 return;
1006
1007         at91_set_A_periph(AT91_PIN_PE0, 0);     /* LCDDPWR */
1008
1009         at91_set_A_periph(AT91_PIN_PE2, 0);     /* LCDCC */
1010         at91_set_A_periph(AT91_PIN_PE3, 0);     /* LCDVSYNC */
1011         at91_set_A_periph(AT91_PIN_PE4, 0);     /* LCDHSYNC */
1012         at91_set_A_periph(AT91_PIN_PE5, 0);     /* LCDDOTCK */
1013         at91_set_A_periph(AT91_PIN_PE6, 0);     /* LCDDEN */
1014         at91_set_A_periph(AT91_PIN_PE7, 0);     /* LCDD0 */
1015         at91_set_A_periph(AT91_PIN_PE8, 0);     /* LCDD1 */
1016         at91_set_A_periph(AT91_PIN_PE9, 0);     /* LCDD2 */
1017         at91_set_A_periph(AT91_PIN_PE10, 0);    /* LCDD3 */
1018         at91_set_A_periph(AT91_PIN_PE11, 0);    /* LCDD4 */
1019         at91_set_A_periph(AT91_PIN_PE12, 0);    /* LCDD5 */
1020         at91_set_A_periph(AT91_PIN_PE13, 0);    /* LCDD6 */
1021         at91_set_A_periph(AT91_PIN_PE14, 0);    /* LCDD7 */
1022         at91_set_A_periph(AT91_PIN_PE15, 0);    /* LCDD8 */
1023         at91_set_A_periph(AT91_PIN_PE16, 0);    /* LCDD9 */
1024         at91_set_A_periph(AT91_PIN_PE17, 0);    /* LCDD10 */
1025         at91_set_A_periph(AT91_PIN_PE18, 0);    /* LCDD11 */
1026         at91_set_A_periph(AT91_PIN_PE19, 0);    /* LCDD12 */
1027         at91_set_A_periph(AT91_PIN_PE20, 0);    /* LCDD13 */
1028         at91_set_A_periph(AT91_PIN_PE21, 0);    /* LCDD14 */
1029         at91_set_A_periph(AT91_PIN_PE22, 0);    /* LCDD15 */
1030         at91_set_A_periph(AT91_PIN_PE23, 0);    /* LCDD16 */
1031         at91_set_A_periph(AT91_PIN_PE24, 0);    /* LCDD17 */
1032         at91_set_A_periph(AT91_PIN_PE25, 0);    /* LCDD18 */
1033         at91_set_A_periph(AT91_PIN_PE26, 0);    /* LCDD19 */
1034         at91_set_A_periph(AT91_PIN_PE27, 0);    /* LCDD20 */
1035         at91_set_A_periph(AT91_PIN_PE28, 0);    /* LCDD21 */
1036         at91_set_A_periph(AT91_PIN_PE29, 0);    /* LCDD22 */
1037         at91_set_A_periph(AT91_PIN_PE30, 0);    /* LCDD23 */
1038
1039         lcdc_data = *data;
1040         platform_device_register(&at91_lcdc_device);
1041 }
1042 #else
1043 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
1044 #endif
1045
1046
1047 /* --------------------------------------------------------------------
1048  *  Timer/Counter block
1049  * -------------------------------------------------------------------- */
1050
1051 #ifdef CONFIG_ATMEL_TCLIB
1052 static struct resource tcb0_resources[] = {
1053         [0] = {
1054                 .start  = AT91SAM9G45_BASE_TCB0,
1055                 .end    = AT91SAM9G45_BASE_TCB0 + SZ_16K - 1,
1056                 .flags  = IORESOURCE_MEM,
1057         },
1058         [1] = {
1059                 .start  = AT91SAM9G45_ID_TCB,
1060                 .end    = AT91SAM9G45_ID_TCB,
1061                 .flags  = IORESOURCE_IRQ,
1062         },
1063 };
1064
1065 static struct platform_device at91sam9g45_tcb0_device = {
1066         .name           = "atmel_tcb",
1067         .id             = 0,
1068         .resource       = tcb0_resources,
1069         .num_resources  = ARRAY_SIZE(tcb0_resources),
1070 };
1071
1072 /* TCB1 begins with TC3 */
1073 static struct resource tcb1_resources[] = {
1074         [0] = {
1075                 .start  = AT91SAM9G45_BASE_TCB1,
1076                 .end    = AT91SAM9G45_BASE_TCB1 + SZ_16K - 1,
1077                 .flags  = IORESOURCE_MEM,
1078         },
1079         [1] = {
1080                 .start  = AT91SAM9G45_ID_TCB,
1081                 .end    = AT91SAM9G45_ID_TCB,
1082                 .flags  = IORESOURCE_IRQ,
1083         },
1084 };
1085
1086 static struct platform_device at91sam9g45_tcb1_device = {
1087         .name           = "atmel_tcb",
1088         .id             = 1,
1089         .resource       = tcb1_resources,
1090         .num_resources  = ARRAY_SIZE(tcb1_resources),
1091 };
1092
1093 static void __init at91_add_device_tc(void)
1094 {
1095         platform_device_register(&at91sam9g45_tcb0_device);
1096         platform_device_register(&at91sam9g45_tcb1_device);
1097 }
1098 #else
1099 static void __init at91_add_device_tc(void) { }
1100 #endif
1101
1102
1103 /* --------------------------------------------------------------------
1104  *  RTC
1105  * -------------------------------------------------------------------- */
1106
1107 #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE)
1108 static struct resource rtc_resources[] = {
1109         [0] = {
1110                 .start  = AT91SAM9G45_BASE_RTC,
1111                 .end    = AT91SAM9G45_BASE_RTC + SZ_256 - 1,
1112                 .flags  = IORESOURCE_MEM,
1113         },
1114         [1] = {
1115                 .start  = AT91_ID_SYS,
1116                 .end    = AT91_ID_SYS,
1117                 .flags  = IORESOURCE_IRQ,
1118         },
1119 };
1120
1121 static struct platform_device at91sam9g45_rtc_device = {
1122         .name           = "at91_rtc",
1123         .id             = -1,
1124         .resource       = rtc_resources,
1125         .num_resources  = ARRAY_SIZE(rtc_resources),
1126 };
1127
1128 static void __init at91_add_device_rtc(void)
1129 {
1130         platform_device_register(&at91sam9g45_rtc_device);
1131 }
1132 #else
1133 static void __init at91_add_device_rtc(void) {}
1134 #endif
1135
1136
1137 /* --------------------------------------------------------------------
1138  *  Touchscreen
1139  * -------------------------------------------------------------------- */
1140
1141 #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
1142 static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
1143 static struct at91_tsadcc_data tsadcc_data;
1144
1145 static struct resource tsadcc_resources[] = {
1146         [0] = {
1147                 .start  = AT91SAM9G45_BASE_TSC,
1148                 .end    = AT91SAM9G45_BASE_TSC + SZ_16K - 1,
1149                 .flags  = IORESOURCE_MEM,
1150         },
1151         [1] = {
1152                 .start  = AT91SAM9G45_ID_TSC,
1153                 .end    = AT91SAM9G45_ID_TSC,
1154                 .flags  = IORESOURCE_IRQ,
1155         }
1156 };
1157
1158 static struct platform_device at91sam9g45_tsadcc_device = {
1159         .name           = "atmel_tsadcc",
1160         .id             = -1,
1161         .dev            = {
1162                                 .dma_mask               = &tsadcc_dmamask,
1163                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1164                                 .platform_data          = &tsadcc_data,
1165         },
1166         .resource       = tsadcc_resources,
1167         .num_resources  = ARRAY_SIZE(tsadcc_resources),
1168 };
1169
1170 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
1171 {
1172         if (!data)
1173                 return;
1174
1175         at91_set_gpio_input(AT91_PIN_PD20, 0);  /* AD0_XR */
1176         at91_set_gpio_input(AT91_PIN_PD21, 0);  /* AD1_XL */
1177         at91_set_gpio_input(AT91_PIN_PD22, 0);  /* AD2_YT */
1178         at91_set_gpio_input(AT91_PIN_PD23, 0);  /* AD3_TB */
1179
1180         tsadcc_data = *data;
1181         platform_device_register(&at91sam9g45_tsadcc_device);
1182 }
1183 #else
1184 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
1185 #endif
1186
1187
1188 /* --------------------------------------------------------------------
1189  *  RTT
1190  * -------------------------------------------------------------------- */
1191
1192 static struct resource rtt_resources[] = {
1193         {
1194                 .start  = AT91SAM9G45_BASE_RTT,
1195                 .end    = AT91SAM9G45_BASE_RTT + SZ_16 - 1,
1196                 .flags  = IORESOURCE_MEM,
1197         }, {
1198                 .flags  = IORESOURCE_MEM,
1199         }
1200 };
1201
1202 static struct platform_device at91sam9g45_rtt_device = {
1203         .name           = "at91_rtt",
1204         .id             = 0,
1205         .resource       = rtt_resources,
1206 };
1207
1208 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
1209 static void __init at91_add_device_rtt_rtc(void)
1210 {
1211         at91sam9g45_rtt_device.name = "rtc-at91sam9";
1212         /*
1213          * The second resource is needed:
1214          * GPBR will serve as the storage for RTC time offset
1215          */
1216         at91sam9g45_rtt_device.num_resources = 2;
1217         rtt_resources[1].start = AT91SAM9G45_BASE_GPBR +
1218                                  4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
1219         rtt_resources[1].end = rtt_resources[1].start + 3;
1220 }
1221 #else
1222 static void __init at91_add_device_rtt_rtc(void)
1223 {
1224         /* Only one resource is needed: RTT not used as RTC */
1225         at91sam9g45_rtt_device.num_resources = 1;
1226 }
1227 #endif
1228
1229 static void __init at91_add_device_rtt(void)
1230 {
1231         at91_add_device_rtt_rtc();
1232         platform_device_register(&at91sam9g45_rtt_device);
1233 }
1234
1235
1236 /* --------------------------------------------------------------------
1237  *  TRNG
1238  * -------------------------------------------------------------------- */
1239
1240 #if defined(CONFIG_HW_RANDOM_ATMEL) || defined(CONFIG_HW_RANDOM_ATMEL_MODULE)
1241 static struct resource trng_resources[] = {
1242         {
1243                 .start  = AT91SAM9G45_BASE_TRNG,
1244                 .end    = AT91SAM9G45_BASE_TRNG + SZ_16K - 1,
1245                 .flags  = IORESOURCE_MEM,
1246         },
1247 };
1248
1249 static struct platform_device at91sam9g45_trng_device = {
1250         .name           = "atmel-trng",
1251         .id             = -1,
1252         .resource       = trng_resources,
1253         .num_resources  = ARRAY_SIZE(trng_resources),
1254 };
1255
1256 static void __init at91_add_device_trng(void)
1257 {
1258         platform_device_register(&at91sam9g45_trng_device);
1259 }
1260 #else
1261 static void __init at91_add_device_trng(void) {}
1262 #endif
1263
1264 /* --------------------------------------------------------------------
1265  *  Watchdog
1266  * -------------------------------------------------------------------- */
1267
1268 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
1269 static struct resource wdt_resources[] = {
1270         {
1271                 .start  = AT91SAM9G45_BASE_WDT,
1272                 .end    = AT91SAM9G45_BASE_WDT + SZ_16 - 1,
1273                 .flags  = IORESOURCE_MEM,
1274         }
1275 };
1276
1277 static struct platform_device at91sam9g45_wdt_device = {
1278         .name           = "at91_wdt",
1279         .id             = -1,
1280         .resource       = wdt_resources,
1281         .num_resources  = ARRAY_SIZE(wdt_resources),
1282 };
1283
1284 static void __init at91_add_device_watchdog(void)
1285 {
1286         platform_device_register(&at91sam9g45_wdt_device);
1287 }
1288 #else
1289 static void __init at91_add_device_watchdog(void) {}
1290 #endif
1291
1292
1293 /* --------------------------------------------------------------------
1294  *  PWM
1295  * --------------------------------------------------------------------*/
1296
1297 #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE)
1298 static u32 pwm_mask;
1299
1300 static struct resource pwm_resources[] = {
1301         [0] = {
1302                 .start  = AT91SAM9G45_BASE_PWMC,
1303                 .end    = AT91SAM9G45_BASE_PWMC + SZ_16K - 1,
1304                 .flags  = IORESOURCE_MEM,
1305         },
1306         [1] = {
1307                 .start  = AT91SAM9G45_ID_PWMC,
1308                 .end    = AT91SAM9G45_ID_PWMC,
1309                 .flags  = IORESOURCE_IRQ,
1310         },
1311 };
1312
1313 static struct platform_device at91sam9g45_pwm0_device = {
1314         .name   = "atmel_pwm",
1315         .id     = -1,
1316         .dev    = {
1317                 .platform_data          = &pwm_mask,
1318         },
1319         .resource       = pwm_resources,
1320         .num_resources  = ARRAY_SIZE(pwm_resources),
1321 };
1322
1323 void __init at91_add_device_pwm(u32 mask)
1324 {
1325         if (mask & (1 << AT91_PWM0))
1326                 at91_set_B_periph(AT91_PIN_PD24, 1);    /* enable PWM0 */
1327
1328         if (mask & (1 << AT91_PWM1))
1329                 at91_set_B_periph(AT91_PIN_PD31, 1);    /* enable PWM1 */
1330
1331         if (mask & (1 << AT91_PWM2))
1332                 at91_set_B_periph(AT91_PIN_PD26, 1);    /* enable PWM2 */
1333
1334         if (mask & (1 << AT91_PWM3))
1335                 at91_set_B_periph(AT91_PIN_PD0, 1);     /* enable PWM3 */
1336
1337         pwm_mask = mask;
1338
1339         platform_device_register(&at91sam9g45_pwm0_device);
1340 }
1341 #else
1342 void __init at91_add_device_pwm(u32 mask) {}
1343 #endif
1344
1345
1346 /* --------------------------------------------------------------------
1347  *  SSC -- Synchronous Serial Controller
1348  * -------------------------------------------------------------------- */
1349
1350 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1351 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
1352
1353 static struct resource ssc0_resources[] = {
1354         [0] = {
1355                 .start  = AT91SAM9G45_BASE_SSC0,
1356                 .end    = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1,
1357                 .flags  = IORESOURCE_MEM,
1358         },
1359         [1] = {
1360                 .start  = AT91SAM9G45_ID_SSC0,
1361                 .end    = AT91SAM9G45_ID_SSC0,
1362                 .flags  = IORESOURCE_IRQ,
1363         },
1364 };
1365
1366 static struct platform_device at91sam9g45_ssc0_device = {
1367         .name   = "ssc",
1368         .id     = 0,
1369         .dev    = {
1370                 .dma_mask               = &ssc0_dmamask,
1371                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1372         },
1373         .resource       = ssc0_resources,
1374         .num_resources  = ARRAY_SIZE(ssc0_resources),
1375 };
1376
1377 static inline void configure_ssc0_pins(unsigned pins)
1378 {
1379         if (pins & ATMEL_SSC_TF)
1380                 at91_set_A_periph(AT91_PIN_PD1, 1);
1381         if (pins & ATMEL_SSC_TK)
1382                 at91_set_A_periph(AT91_PIN_PD0, 1);
1383         if (pins & ATMEL_SSC_TD)
1384                 at91_set_A_periph(AT91_PIN_PD2, 1);
1385         if (pins & ATMEL_SSC_RD)
1386                 at91_set_A_periph(AT91_PIN_PD3, 1);
1387         if (pins & ATMEL_SSC_RK)
1388                 at91_set_A_periph(AT91_PIN_PD4, 1);
1389         if (pins & ATMEL_SSC_RF)
1390                 at91_set_A_periph(AT91_PIN_PD5, 1);
1391 }
1392
1393 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
1394
1395 static struct resource ssc1_resources[] = {
1396         [0] = {
1397                 .start  = AT91SAM9G45_BASE_SSC1,
1398                 .end    = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1,
1399                 .flags  = IORESOURCE_MEM,
1400         },
1401         [1] = {
1402                 .start  = AT91SAM9G45_ID_SSC1,
1403                 .end    = AT91SAM9G45_ID_SSC1,
1404                 .flags  = IORESOURCE_IRQ,
1405         },
1406 };
1407
1408 static struct platform_device at91sam9g45_ssc1_device = {
1409         .name   = "ssc",
1410         .id     = 1,
1411         .dev    = {
1412                 .dma_mask               = &ssc1_dmamask,
1413                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1414         },
1415         .resource       = ssc1_resources,
1416         .num_resources  = ARRAY_SIZE(ssc1_resources),
1417 };
1418
1419 static inline void configure_ssc1_pins(unsigned pins)
1420 {
1421         if (pins & ATMEL_SSC_TF)
1422                 at91_set_A_periph(AT91_PIN_PD14, 1);
1423         if (pins & ATMEL_SSC_TK)
1424                 at91_set_A_periph(AT91_PIN_PD12, 1);
1425         if (pins & ATMEL_SSC_TD)
1426                 at91_set_A_periph(AT91_PIN_PD10, 1);
1427         if (pins & ATMEL_SSC_RD)
1428                 at91_set_A_periph(AT91_PIN_PD11, 1);
1429         if (pins & ATMEL_SSC_RK)
1430                 at91_set_A_periph(AT91_PIN_PD13, 1);
1431         if (pins & ATMEL_SSC_RF)
1432                 at91_set_A_periph(AT91_PIN_PD15, 1);
1433 }
1434
1435 /*
1436  * SSC controllers are accessed through library code, instead of any
1437  * kind of all-singing/all-dancing driver.  For example one could be
1438  * used by a particular I2S audio codec's driver, while another one
1439  * on the same system might be used by a custom data capture driver.
1440  */
1441 void __init at91_add_device_ssc(unsigned id, unsigned pins)
1442 {
1443         struct platform_device *pdev;
1444
1445         /*
1446          * NOTE: caller is responsible for passing information matching
1447          * "pins" to whatever will be using each particular controller.
1448          */
1449         switch (id) {
1450         case AT91SAM9G45_ID_SSC0:
1451                 pdev = &at91sam9g45_ssc0_device;
1452                 configure_ssc0_pins(pins);
1453                 break;
1454         case AT91SAM9G45_ID_SSC1:
1455                 pdev = &at91sam9g45_ssc1_device;
1456                 configure_ssc1_pins(pins);
1457                 break;
1458         default:
1459                 return;
1460         }
1461
1462         platform_device_register(pdev);
1463 }
1464
1465 #else
1466 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1467 #endif
1468
1469
1470 /* --------------------------------------------------------------------
1471  *  UART
1472  * -------------------------------------------------------------------- */
1473
1474 #if defined(CONFIG_SERIAL_ATMEL)
1475 static struct resource dbgu_resources[] = {
1476         [0] = {
1477                 .start  = AT91SAM9G45_BASE_DBGU,
1478                 .end    = AT91SAM9G45_BASE_DBGU + SZ_512 - 1,
1479                 .flags  = IORESOURCE_MEM,
1480         },
1481         [1] = {
1482                 .start  = AT91_ID_SYS,
1483                 .end    = AT91_ID_SYS,
1484                 .flags  = IORESOURCE_IRQ,
1485         },
1486 };
1487
1488 static struct atmel_uart_data dbgu_data = {
1489         .use_dma_tx     = 0,
1490         .use_dma_rx     = 0,
1491 };
1492
1493 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1494
1495 static struct platform_device at91sam9g45_dbgu_device = {
1496         .name           = "atmel_usart",
1497         .id             = 0,
1498         .dev            = {
1499                                 .dma_mask               = &dbgu_dmamask,
1500                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1501                                 .platform_data          = &dbgu_data,
1502         },
1503         .resource       = dbgu_resources,
1504         .num_resources  = ARRAY_SIZE(dbgu_resources),
1505 };
1506
1507 static inline void configure_dbgu_pins(void)
1508 {
1509         at91_set_A_periph(AT91_PIN_PB12, 0);            /* DRXD */
1510         at91_set_A_periph(AT91_PIN_PB13, 1);            /* DTXD */
1511 }
1512
1513 static struct resource uart0_resources[] = {
1514         [0] = {
1515                 .start  = AT91SAM9G45_BASE_US0,
1516                 .end    = AT91SAM9G45_BASE_US0 + SZ_16K - 1,
1517                 .flags  = IORESOURCE_MEM,
1518         },
1519         [1] = {
1520                 .start  = AT91SAM9G45_ID_US0,
1521                 .end    = AT91SAM9G45_ID_US0,
1522                 .flags  = IORESOURCE_IRQ,
1523         },
1524 };
1525
1526 static struct atmel_uart_data uart0_data = {
1527         .use_dma_tx     = 1,
1528         .use_dma_rx     = 1,
1529 };
1530
1531 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1532
1533 static struct platform_device at91sam9g45_uart0_device = {
1534         .name           = "atmel_usart",
1535         .id             = 1,
1536         .dev            = {
1537                                 .dma_mask               = &uart0_dmamask,
1538                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1539                                 .platform_data          = &uart0_data,
1540         },
1541         .resource       = uart0_resources,
1542         .num_resources  = ARRAY_SIZE(uart0_resources),
1543 };
1544
1545 static inline void configure_usart0_pins(unsigned pins)
1546 {
1547         at91_set_A_periph(AT91_PIN_PB19, 1);            /* TXD0 */
1548         at91_set_A_periph(AT91_PIN_PB18, 0);            /* RXD0 */
1549
1550         if (pins & ATMEL_UART_RTS)
1551                 at91_set_B_periph(AT91_PIN_PB17, 0);    /* RTS0 */
1552         if (pins & ATMEL_UART_CTS)
1553                 at91_set_B_periph(AT91_PIN_PB15, 0);    /* CTS0 */
1554 }
1555
1556 static struct resource uart1_resources[] = {
1557         [0] = {
1558                 .start  = AT91SAM9G45_BASE_US1,
1559                 .end    = AT91SAM9G45_BASE_US1 + SZ_16K - 1,
1560                 .flags  = IORESOURCE_MEM,
1561         },
1562         [1] = {
1563                 .start  = AT91SAM9G45_ID_US1,
1564                 .end    = AT91SAM9G45_ID_US1,
1565                 .flags  = IORESOURCE_IRQ,
1566         },
1567 };
1568
1569 static struct atmel_uart_data uart1_data = {
1570         .use_dma_tx     = 1,
1571         .use_dma_rx     = 1,
1572 };
1573
1574 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1575
1576 static struct platform_device at91sam9g45_uart1_device = {
1577         .name           = "atmel_usart",
1578         .id             = 2,
1579         .dev            = {
1580                                 .dma_mask               = &uart1_dmamask,
1581                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1582                                 .platform_data          = &uart1_data,
1583         },
1584         .resource       = uart1_resources,
1585         .num_resources  = ARRAY_SIZE(uart1_resources),
1586 };
1587
1588 static inline void configure_usart1_pins(unsigned pins)
1589 {
1590         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD1 */
1591         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD1 */
1592
1593         if (pins & ATMEL_UART_RTS)
1594                 at91_set_A_periph(AT91_PIN_PD16, 0);    /* RTS1 */
1595         if (pins & ATMEL_UART_CTS)
1596                 at91_set_A_periph(AT91_PIN_PD17, 0);    /* CTS1 */
1597 }
1598
1599 static struct resource uart2_resources[] = {
1600         [0] = {
1601                 .start  = AT91SAM9G45_BASE_US2,
1602                 .end    = AT91SAM9G45_BASE_US2 + SZ_16K - 1,
1603                 .flags  = IORESOURCE_MEM,
1604         },
1605         [1] = {
1606                 .start  = AT91SAM9G45_ID_US2,
1607                 .end    = AT91SAM9G45_ID_US2,
1608                 .flags  = IORESOURCE_IRQ,
1609         },
1610 };
1611
1612 static struct atmel_uart_data uart2_data = {
1613         .use_dma_tx     = 1,
1614         .use_dma_rx     = 1,
1615 };
1616
1617 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1618
1619 static struct platform_device at91sam9g45_uart2_device = {
1620         .name           = "atmel_usart",
1621         .id             = 3,
1622         .dev            = {
1623                                 .dma_mask               = &uart2_dmamask,
1624                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1625                                 .platform_data          = &uart2_data,
1626         },
1627         .resource       = uart2_resources,
1628         .num_resources  = ARRAY_SIZE(uart2_resources),
1629 };
1630
1631 static inline void configure_usart2_pins(unsigned pins)
1632 {
1633         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD2 */
1634         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD2 */
1635
1636         if (pins & ATMEL_UART_RTS)
1637                 at91_set_B_periph(AT91_PIN_PC9, 0);     /* RTS2 */
1638         if (pins & ATMEL_UART_CTS)
1639                 at91_set_B_periph(AT91_PIN_PC11, 0);    /* CTS2 */
1640 }
1641
1642 static struct resource uart3_resources[] = {
1643         [0] = {
1644                 .start  = AT91SAM9G45_BASE_US3,
1645                 .end    = AT91SAM9G45_BASE_US3 + SZ_16K - 1,
1646                 .flags  = IORESOURCE_MEM,
1647         },
1648         [1] = {
1649                 .start  = AT91SAM9G45_ID_US3,
1650                 .end    = AT91SAM9G45_ID_US3,
1651                 .flags  = IORESOURCE_IRQ,
1652         },
1653 };
1654
1655 static struct atmel_uart_data uart3_data = {
1656         .use_dma_tx     = 1,
1657         .use_dma_rx     = 1,
1658 };
1659
1660 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1661
1662 static struct platform_device at91sam9g45_uart3_device = {
1663         .name           = "atmel_usart",
1664         .id             = 4,
1665         .dev            = {
1666                                 .dma_mask               = &uart3_dmamask,
1667                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1668                                 .platform_data          = &uart3_data,
1669         },
1670         .resource       = uart3_resources,
1671         .num_resources  = ARRAY_SIZE(uart3_resources),
1672 };
1673
1674 static inline void configure_usart3_pins(unsigned pins)
1675 {
1676         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD3 */
1677         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD3 */
1678
1679         if (pins & ATMEL_UART_RTS)
1680                 at91_set_B_periph(AT91_PIN_PA23, 0);    /* RTS3 */
1681         if (pins & ATMEL_UART_CTS)
1682                 at91_set_B_periph(AT91_PIN_PA24, 0);    /* CTS3 */
1683 }
1684
1685 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1686
1687 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1688 {
1689         struct platform_device *pdev;
1690         struct atmel_uart_data *pdata;
1691
1692         switch (id) {
1693                 case 0:         /* DBGU */
1694                         pdev = &at91sam9g45_dbgu_device;
1695                         configure_dbgu_pins();
1696                         break;
1697                 case AT91SAM9G45_ID_US0:
1698                         pdev = &at91sam9g45_uart0_device;
1699                         configure_usart0_pins(pins);
1700                         break;
1701                 case AT91SAM9G45_ID_US1:
1702                         pdev = &at91sam9g45_uart1_device;
1703                         configure_usart1_pins(pins);
1704                         break;
1705                 case AT91SAM9G45_ID_US2:
1706                         pdev = &at91sam9g45_uart2_device;
1707                         configure_usart2_pins(pins);
1708                         break;
1709                 case AT91SAM9G45_ID_US3:
1710                         pdev = &at91sam9g45_uart3_device;
1711                         configure_usart3_pins(pins);
1712                         break;
1713                 default:
1714                         return;
1715         }
1716         pdata = pdev->dev.platform_data;
1717         pdata->num = portnr;            /* update to mapped ID */
1718
1719         if (portnr < ATMEL_MAX_UART)
1720                 at91_uarts[portnr] = pdev;
1721 }
1722
1723 void __init at91_set_serial_console(unsigned portnr)
1724 {
1725         if (portnr < ATMEL_MAX_UART) {
1726                 atmel_default_console_device = at91_uarts[portnr];
1727                 at91sam9g45_set_console_clock(at91_uarts[portnr]->id);
1728         }
1729 }
1730
1731 void __init at91_add_device_serial(void)
1732 {
1733         int i;
1734
1735         for (i = 0; i < ATMEL_MAX_UART; i++) {
1736                 if (at91_uarts[i])
1737                         platform_device_register(at91_uarts[i]);
1738         }
1739
1740         if (!atmel_default_console_device)
1741                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1742 }
1743 #else
1744 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1745 void __init at91_set_serial_console(unsigned portnr) {}
1746 void __init at91_add_device_serial(void) {}
1747 #endif
1748
1749
1750 /* -------------------------------------------------------------------- */
1751 /*
1752  * These devices are always present and don't need any board-specific
1753  * setup.
1754  */
1755 static int __init at91_add_standard_devices(void)
1756 {
1757         at91_add_device_hdmac();
1758         at91_add_device_rtc();
1759         at91_add_device_rtt();
1760         at91_add_device_trng();
1761         at91_add_device_watchdog();
1762         at91_add_device_tc();
1763         return 0;
1764 }
1765
1766 arch_initcall(at91_add_standard_devices);