arch/blackfin/mach-bf533/boards/stamp.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2005 National ICT Australia (NICTA)
   4  *                      Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <linux/device.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #include <linux/spi/mmc_spi.h>
  17 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
  18 #include <linux/usb/isp1362.h>
  19 #endif
  20 #include <linux/irq.h>
  21 #include <linux/i2c.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/reboot.h>
  25 #include <asm/portmux.h>
  26 #include <asm/dpmc.h>
  27
  28 /*
  29  * Name the Board for the /proc/cpuinfo
  30  */
  31 const char bfin_board_name[] = "ADI BF533-STAMP";
  32
  33 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
  34 static struct platform_device rtc_device = {
  35         .name = "rtc-bfin",
  36         .id   = -1,
  37 };
  38 #endif
  39
  40 /*
  41  *  Driver needs to know address, irq and flag pin.
  42  */
  43 #if IS_ENABLED(CONFIG_SMC91X)
  44 #include <linux/smc91x.h>
  45
  46 static struct smc91x_platdata smc91x_info = {
  47         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  48         .leda = RPC_LED_100_10,
  49         .ledb = RPC_LED_TX_RX,
  50 };
  51
  52 static struct resource smc91x_resources[] = {
  53         {
  54                 .name = "smc91x-regs",
  55                 .start = 0x20300300,
  56                 .end = 0x20300300 + 16,
  57                 .flags = IORESOURCE_MEM,
  58         }, {
  59                 .start = IRQ_PF7,
  60                 .end = IRQ_PF7,
  61                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  62         },
  63 };
  64
  65 static struct platform_device smc91x_device = {
  66         .name = "smc91x",
  67         .id = 0,
  68         .num_resources = ARRAY_SIZE(smc91x_resources),
  69         .resource = smc91x_resources,
  70         .dev    = {
  71                 .platform_data  = &smc91x_info,
  72         },
  73 };
  74 #endif
  75
  76 #if IS_ENABLED(CONFIG_USB_NET2272)
  77 static struct resource net2272_bfin_resources[] = {
  78         {
  79                 .start = 0x20300000,
  80                 .end = 0x20300000 + 0x100,
  81                 .flags = IORESOURCE_MEM,
  82         }, {
  83                 .start = 1,
  84                 .flags = IORESOURCE_BUS,
  85         }, {
  86                 .start = IRQ_PF10,
  87                 .end = IRQ_PF10,
  88                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  89         },
  90 };
  91
  92 static struct platform_device net2272_bfin_device = {
  93         .name = "net2272",
  94         .id = -1,
  95         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
  96         .resource = net2272_bfin_resources,
  97 };
  98 #endif
  99
 100 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
 101 static struct mtd_partition stamp_partitions[] = {
 102         {
 103                 .name   = "bootloader(nor)",
 104                 .size   = 0x40000,
 105                 .offset = 0,
 106         }, {
 107                 .name   = "linux kernel(nor)",
 108                 .size   = 0x180000,
 109                 .offset = MTDPART_OFS_APPEND,
 110         }, {
 111                 .name   = "file system(nor)",
 112                 .size   = MTDPART_SIZ_FULL,
 113                 .offset = MTDPART_OFS_APPEND,
 114         }
 115 };
 116
 117 static struct physmap_flash_data stamp_flash_data = {
 118         .width    = 2,
 119         .parts    = stamp_partitions,
 120         .nr_parts = ARRAY_SIZE(stamp_partitions),
 121 };
 122
 123 static struct resource stamp_flash_resource[] = {
 124         {
 125                 .name  = "cfi_probe",
 126                 .start = 0x20000000,
 127                 .end   = 0x203fffff,
 128                 .flags = IORESOURCE_MEM,
 129         }, {
 130                 .start = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
 131                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
 132                 .flags = IORESOURCE_MEM,
 133         }, {
 134                 .start = GPIO_PF0,
 135                 .flags = IORESOURCE_IRQ,
 136         }
 137 };
 138
 139 static struct platform_device stamp_flash_device = {
 140         .name          = "bfin-async-flash",
 141         .id            = 0,
 142         .dev = {
 143                 .platform_data = &stamp_flash_data,
 144         },
 145         .num_resources = ARRAY_SIZE(stamp_flash_resource),
 146         .resource      = stamp_flash_resource,
 147 };
 148 #endif
 149
 150 #if IS_ENABLED(CONFIG_MTD_M25P80)
 151 static struct mtd_partition bfin_spi_flash_partitions[] = {
 152         {
 153                 .name = "bootloader(spi)",
 154                 .size = 0x00040000,
 155                 .offset = 0,
 156                 .mask_flags = MTD_CAP_ROM
 157         }, {
 158                 .name = "linux kernel(spi)",
 159                 .size = 0x180000,
 160                 .offset = MTDPART_OFS_APPEND,
 161         }, {
 162                 .name = "file system(spi)",
 163                 .size = MTDPART_SIZ_FULL,
 164                 .offset = MTDPART_OFS_APPEND,
 165         }
 166 };
 167
 168 static struct flash_platform_data bfin_spi_flash_data = {
 169         .name = "m25p80",
 170         .parts = bfin_spi_flash_partitions,
 171         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 172         .type = "m25p64",
 173 };
 174
 175 /* SPI flash chip (m25p64) */
 176 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 177         .enable_dma = 0,         /* use dma transfer with this chip*/
 178 };
 179 #endif
 180
 181 #if IS_ENABLED(CONFIG_MMC_SPI)
 182 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
 183 static int bfin_mmc_spi_init(struct device *dev,
 184         irqreturn_t (*detect_int)(int, void *), void *data)
 185 {
 186         return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
 187                 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 188                 "mmc-spi-detect", data);
 189 }
 190
 191 static void bfin_mmc_spi_exit(struct device *dev, void *data)
 192 {
 193         free_irq(MMC_SPI_CARD_DETECT_INT, data);
 194 }
 195
 196 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
 197         .init = bfin_mmc_spi_init,
 198         .exit = bfin_mmc_spi_exit,
 199         .detect_delay = 100, /* msecs */
 200 };
 201
 202 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
 203         .enable_dma = 0,
 204         .pio_interrupt = 0,
 205 };
 206 #endif
 207
 208 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 209 #if IS_ENABLED(CONFIG_MTD_M25P80)
 210         {
 211                 /* the modalias must be the same as spi device driver name */
 212                 .modalias = "m25p80", /* Name of spi_driver for this device */
 213                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 214                 .bus_num = 0, /* Framework bus number */
 215                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 216                 .platform_data = &bfin_spi_flash_data,
 217                 .controller_data = &spi_flash_chip_info,
 218                 .mode = SPI_MODE_3,
 219         },
 220 #endif
 221
 222 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
 223         {
 224                 .modalias = "ad1836",
 225                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 226                 .bus_num = 0,
 227                 .chip_select = 4,
 228                 .platform_data = "ad1836", /* only includes chip name for the moment */
 229                 .mode = SPI_MODE_3,
 230         },
 231 #endif
 232
 233 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 234         {
 235                 .modalias = "spidev",
 236                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 237                 .bus_num = 0,
 238                 .chip_select = 1,
 239         },
 240 #endif
 241 #if IS_ENABLED(CONFIG_MMC_SPI)
 242         {
 243                 .modalias = "mmc_spi",
 244                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 245                 .bus_num = 0,
 246                 .chip_select = 4,
 247                 .platform_data = &bfin_mmc_spi_pdata,
 248                 .controller_data = &mmc_spi_chip_info,
 249                 .mode = SPI_MODE_3,
 250         },
 251 #endif
 252 };
 253
 254 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 255 /* SPI (0) */
 256 static struct resource bfin_spi0_resource[] = {
 257         [0] = {
 258                 .start = SPI0_REGBASE,
 259                 .end   = SPI0_REGBASE + 0xFF,
 260                 .flags = IORESOURCE_MEM,
 261         },
 262         [1] = {
 263                 .start = CH_SPI,
 264                 .end   = CH_SPI,
 265                 .flags = IORESOURCE_DMA,
 266         },
 267         [2] = {
 268                 .start = IRQ_SPI,
 269                 .end   = IRQ_SPI,
 270                 .flags = IORESOURCE_IRQ,
 271         }
 272 };
 273
 274 /* SPI controller data */
 275 static struct bfin5xx_spi_master bfin_spi0_info = {
 276         .num_chipselect = 8,
 277         .enable_dma = 1,  /* master has the ability to do dma transfer */
 278         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 279 };
 280
 281 static struct platform_device bfin_spi0_device = {
 282         .name = "bfin-spi",
 283         .id = 0, /* Bus number */
 284         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 285         .resource = bfin_spi0_resource,
 286         .dev = {
 287                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 288         },
 289 };
 290 #endif  /* spi master and devices */
 291
 292 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 293 #ifdef CONFIG_SERIAL_BFIN_UART0
 294 static struct resource bfin_uart0_resources[] = {
 295         {
 296                 .start = BFIN_UART_THR,
 297                 .end = BFIN_UART_GCTL+2,
 298                 .flags = IORESOURCE_MEM,
 299         },
 300         {
 301                 .start = IRQ_UART0_TX,
 302                 .end = IRQ_UART0_TX,
 303                 .flags = IORESOURCE_IRQ,
 304         },
 305         {
 306                 .start = IRQ_UART0_RX,
 307                 .end = IRQ_UART0_RX,
 308                 .flags = IORESOURCE_IRQ,
 309         },
 310         {
 311                 .start = IRQ_UART0_ERROR,
 312                 .end = IRQ_UART0_ERROR,
 313                 .flags = IORESOURCE_IRQ,
 314         },
 315         {
 316                 .start = CH_UART0_TX,
 317                 .end = CH_UART0_TX,
 318                 .flags = IORESOURCE_DMA,
 319         },
 320         {
 321                 .start = CH_UART0_RX,
 322                 .end = CH_UART0_RX,
 323                 .flags = IORESOURCE_DMA,
 324         },
 325 };
 326
 327 static unsigned short bfin_uart0_peripherals[] = {
 328         P_UART0_TX, P_UART0_RX, 0
 329 };
 330
 331 static struct platform_device bfin_uart0_device = {
 332         .name = "bfin-uart",
 333         .id = 0,
 334         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 335         .resource = bfin_uart0_resources,
 336         .dev = {
 337                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 338         },
 339 };
 340 #endif
 341 #endif
 342
 343 #if IS_ENABLED(CONFIG_BFIN_SIR)
 344 #ifdef CONFIG_BFIN_SIR0
 345 static struct resource bfin_sir0_resources[] = {
 346         {
 347                 .start = 0xFFC00400,
 348                 .end = 0xFFC004FF,
 349                 .flags = IORESOURCE_MEM,
 350         },
 351         {
 352                 .start = IRQ_UART0_RX,
 353                 .end = IRQ_UART0_RX+1,
 354                 .flags = IORESOURCE_IRQ,
 355         },
 356         {
 357                 .start = CH_UART0_RX,
 358                 .end = CH_UART0_RX+1,
 359                 .flags = IORESOURCE_DMA,
 360         },
 361 };
 362
 363 static struct platform_device bfin_sir0_device = {
 364         .name = "bfin_sir",
 365         .id = 0,
 366         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 367         .resource = bfin_sir0_resources,
 368 };
 369 #endif
 370 #endif
 371
 372 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 373 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 374 static struct resource bfin_sport0_uart_resources[] = {
 375         {
 376                 .start = SPORT0_TCR1,
 377                 .end = SPORT0_MRCS3+4,
 378                 .flags = IORESOURCE_MEM,
 379         },
 380         {
 381                 .start = IRQ_SPORT0_RX,
 382                 .end = IRQ_SPORT0_RX+1,
 383                 .flags = IORESOURCE_IRQ,
 384         },
 385         {
 386                 .start = IRQ_SPORT0_ERROR,
 387                 .end = IRQ_SPORT0_ERROR,
 388                 .flags = IORESOURCE_IRQ,
 389         },
 390 };
 391
 392 static unsigned short bfin_sport0_peripherals[] = {
 393         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 394         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 395 };
 396
 397 static struct platform_device bfin_sport0_uart_device = {
 398         .name = "bfin-sport-uart",
 399         .id = 0,
 400         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 401         .resource = bfin_sport0_uart_resources,
 402         .dev = {
 403                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 404         },
 405 };
 406 #endif
 407 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 408 static struct resource bfin_sport1_uart_resources[] = {
 409         {
 410                 .start = SPORT1_TCR1,
 411                 .end = SPORT1_MRCS3+4,
 412                 .flags = IORESOURCE_MEM,
 413         },
 414         {
 415                 .start = IRQ_SPORT1_RX,
 416                 .end = IRQ_SPORT1_RX+1,
 417                 .flags = IORESOURCE_IRQ,
 418         },
 419         {
 420                 .start = IRQ_SPORT1_ERROR,
 421                 .end = IRQ_SPORT1_ERROR,
 422                 .flags = IORESOURCE_IRQ,
 423         },
 424 };
 425
 426 static unsigned short bfin_sport1_peripherals[] = {
 427         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 428         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 429 };
 430
 431 static struct platform_device bfin_sport1_uart_device = {
 432         .name = "bfin-sport-uart",
 433         .id = 1,
 434         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 435         .resource = bfin_sport1_uart_resources,
 436         .dev = {
 437                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 438         },
 439 };
 440 #endif
 441 #endif
 442
 443 #if IS_ENABLED(CONFIG_BFIN_SPORT)
 444 static struct resource bfin_sport0_resources[] = {
 445         {
 446                 .start = SPORT0_TCR1,
 447                 .end = SPORT0_MRCS3+4,
 448                 .flags = IORESOURCE_MEM,
 449         },
 450         {
 451                 .start = IRQ_SPORT0_TX,
 452                 .end = IRQ_SPORT0_TX+1,
 453                 .flags = IORESOURCE_IRQ,
 454         },
 455         {
 456                 .start = IRQ_SPORT0_RX,
 457                 .end = IRQ_SPORT0_RX+1,
 458                 .flags = IORESOURCE_IRQ,
 459         },
 460         {
 461                 .start = IRQ_SPORT0_ERROR,
 462                 .end = IRQ_SPORT0_ERROR,
 463                 .flags = IORESOURCE_IRQ,
 464         },
 465         {
 466                 .start = CH_SPORT0_TX,
 467                 .end = CH_SPORT0_TX,
 468                 .flags = IORESOURCE_DMA,
 469         },
 470         {
 471                 .start = CH_SPORT0_RX,
 472                 .end = CH_SPORT0_RX,
 473                 .flags = IORESOURCE_DMA,
 474         },
 475 };
 476 static struct platform_device bfin_sport0_device = {
 477         .name = "bfin_sport_raw",
 478         .id = 0,
 479         .num_resources = ARRAY_SIZE(bfin_sport0_resources),
 480         .resource = bfin_sport0_resources,
 481         .dev = {
 482                 .platform_data = &bfin_sport0_peripherals,
 483         },
 484 };
 485 #endif
 486
 487 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 488 #include <linux/input.h>
 489 #include <linux/gpio_keys.h>
 490
 491 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 492         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
 493         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
 494         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
 495 };
 496
 497 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 498         .buttons        = bfin_gpio_keys_table,
 499         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 500 };
 501
 502 static struct platform_device bfin_device_gpiokeys = {
 503         .name      = "gpio-keys",
 504         .dev = {
 505                 .platform_data = &bfin_gpio_keys_data,
 506         },
 507 };
 508 #endif
 509
 510 #if IS_ENABLED(CONFIG_I2C_GPIO)
 511 #include <linux/i2c-gpio.h>
 512
 513 static struct i2c_gpio_platform_data i2c_gpio_data = {
 514         .sda_pin                = GPIO_PF2,
 515         .scl_pin                = GPIO_PF3,
 516         .sda_is_open_drain      = 0,
 517         .scl_is_open_drain      = 0,
 518         .udelay                 = 10,
 519 };
 520
 521 static struct platform_device i2c_gpio_device = {
 522         .name           = "i2c-gpio",
 523         .id             = 0,
 524         .dev            = {
 525                 .platform_data  = &i2c_gpio_data,
 526         },
 527 };
 528 #endif
 529
 530 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 531 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
 532         {
 533                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
 534                 .irq = 39,
 535         },
 536 #endif
 537 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
 538         {
 539                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 540         },
 541 #endif
 542 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
 543         {
 544                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 545                 .irq = 39,
 546         },
 547 #endif
 548 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
 549         {
 550                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 551         },
 552 #endif
 553 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
 554         {
 555                 I2C_BOARD_INFO("ad5252", 0x2f),
 556         },
 557 #endif
 558 };
 559
 560 static const unsigned int cclk_vlev_datasheet[] =
 561 {
 562         VRPAIR(VLEV_085, 250000000),
 563         VRPAIR(VLEV_090, 376000000),
 564         VRPAIR(VLEV_095, 426000000),
 565         VRPAIR(VLEV_100, 426000000),
 566         VRPAIR(VLEV_105, 476000000),
 567         VRPAIR(VLEV_110, 476000000),
 568         VRPAIR(VLEV_115, 476000000),
 569         VRPAIR(VLEV_120, 600000000),
 570         VRPAIR(VLEV_125, 600000000),
 571         VRPAIR(VLEV_130, 600000000),
 572 };
 573
 574 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 575         .tuple_tab = cclk_vlev_datasheet,
 576         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 577         .vr_settling_time = 25 /* us */,
 578 };
 579
 580 static struct platform_device bfin_dpmc = {
 581         .name = "bfin dpmc",
 582         .dev = {
 583                 .platform_data = &bfin_dmpc_vreg_data,
 584         },
 585 };
 586
 587 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
 588         IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 589
 590 #include <asm/bfin_sport.h>
 591
 592 #define SPORT_REQ(x) \
 593         [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
 594                 P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
 595
 596 static const u16 bfin_snd_pin[][7] = {
 597         SPORT_REQ(0),
 598         SPORT_REQ(1),
 599 };
 600
 601 static struct bfin_snd_platform_data bfin_snd_data[] = {
 602         {
 603                 .pin_req = &bfin_snd_pin[0][0],
 604         },
 605         {
 606                 .pin_req = &bfin_snd_pin[1][0],
 607         },
 608 };
 609
 610 #define BFIN_SND_RES(x) \
 611         [x] = { \
 612                 { \
 613                         .start = SPORT##x##_TCR1, \
 614                         .end = SPORT##x##_TCR1, \
 615                         .flags = IORESOURCE_MEM \
 616                 }, \
 617                 { \
 618                         .start = CH_SPORT##x##_RX, \
 619                         .end = CH_SPORT##x##_RX, \
 620                         .flags = IORESOURCE_DMA, \
 621                 }, \
 622                 { \
 623                         .start = CH_SPORT##x##_TX, \
 624                         .end = CH_SPORT##x##_TX, \
 625                         .flags = IORESOURCE_DMA, \
 626                 }, \
 627                 { \
 628                         .start = IRQ_SPORT##x##_ERROR, \
 629                         .end = IRQ_SPORT##x##_ERROR, \
 630                         .flags = IORESOURCE_IRQ, \
 631                 } \
 632         }
 633
 634 static struct resource bfin_snd_resources[][4] = {
 635         BFIN_SND_RES(0),
 636         BFIN_SND_RES(1),
 637 };
 638 #endif
 639
 640 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 641 static struct platform_device bfin_i2s_pcm = {
 642         .name = "bfin-i2s-pcm-audio",
 643         .id = -1,
 644 };
 645 #endif
 646
 647 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 648 static struct platform_device bfin_ac97_pcm = {
 649         .name = "bfin-ac97-pcm-audio",
 650         .id = -1,
 651 };
 652 #endif
 653
 654 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
 655 static const char * const ad1836_link[] = {
 656         "bfin-i2s.0",
 657         "spi0.4",
 658 };
 659 static struct platform_device bfin_ad1836_machine = {
 660         .name = "bfin-snd-ad1836",
 661         .id = -1,
 662         .dev = {
 663                 .platform_data = (void *)ad1836_link,
 664         },
 665 };
 666 #endif
 667
 668 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
 669 static const unsigned ad73311_gpio[] = {
 670         GPIO_PF4,
 671 };
 672
 673 static struct platform_device bfin_ad73311_machine = {
 674         .name = "bfin-snd-ad73311",
 675         .id = 1,
 676         .dev = {
 677                 .platform_data = (void *)ad73311_gpio,
 678         },
 679 };
 680 #endif
 681
 682 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
 683 static struct platform_device bfin_ad73311_codec_device = {
 684         .name = "ad73311",
 685         .id = -1,
 686 };
 687 #endif
 688
 689 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
 690 static struct platform_device bfin_ad74111_codec_device = {
 691         .name = "ad74111",
 692         .id = -1,
 693 };
 694 #endif
 695
 696 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
 697 static struct platform_device bfin_i2s = {
 698         .name = "bfin-i2s",
 699         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 700         .num_resources =
 701                 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
 702         .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
 703         .dev = {
 704                 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
 705         },
 706 };
 707 #endif
 708
 709 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
 710 static struct platform_device bfin_ac97 = {
 711         .name = "bfin-ac97",
 712         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 713         .num_resources =
 714                 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
 715         .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
 716         .dev = {
 717                 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
 718         },
 719 };
 720 #endif
 721
 722 static struct platform_device *stamp_devices[] __initdata = {
 723
 724         &bfin_dpmc,
 725
 726 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 727         &rtc_device,
 728 #endif
 729
 730 #if IS_ENABLED(CONFIG_SMC91X)
 731         &smc91x_device,
 732 #endif
 733
 734 #if IS_ENABLED(CONFIG_USB_NET2272)
 735         &net2272_bfin_device,
 736 #endif
 737
 738 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 739         &bfin_spi0_device,
 740 #endif
 741
 742 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 743 #ifdef CONFIG_SERIAL_BFIN_UART0
 744         &bfin_uart0_device,
 745 #endif
 746 #endif
 747
 748 #if IS_ENABLED(CONFIG_BFIN_SIR)
 749 #ifdef CONFIG_BFIN_SIR0
 750         &bfin_sir0_device,
 751 #endif
 752 #endif
 753
 754 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 755 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 756         &bfin_sport0_uart_device,
 757 #endif
 758 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 759         &bfin_sport1_uart_device,
 760 #endif
 761 #endif
 762
 763 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 764         &bfin_device_gpiokeys,
 765 #endif
 766
 767 #if IS_ENABLED(CONFIG_I2C_GPIO)
 768         &i2c_gpio_device,
 769 #endif
 770
 771 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
 772         &stamp_flash_device,
 773 #endif
 774
 775 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 776         &bfin_i2s_pcm,
 777 #endif
 778
 779 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 780         &bfin_ac97_pcm,
 781 #endif
 782
 783 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
 784         &bfin_ad1836_machine,
 785 #endif
 786
 787 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
 788         &bfin_ad73311_machine,
 789 #endif
 790
 791 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
 792         &bfin_ad73311_codec_device,
 793 #endif
 794
 795 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
 796         &bfin_ad74111_codec_device,
 797 #endif
 798
 799 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
 800         &bfin_i2s,
 801 #endif
 802
 803 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
 804         &bfin_ac97,
 805 #endif
 806 };
 807
 808 static int __init net2272_init(void)
 809 {
 810 #if IS_ENABLED(CONFIG_USB_NET2272)
 811         int ret;
 812
 813         /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
 814         ret = gpio_request(GPIO_PF0, "net2272");
 815         if (ret)
 816                 return ret;
 817
 818         ret = gpio_request(GPIO_PF1, "net2272");
 819         if (ret) {
 820                 gpio_free(GPIO_PF0);
 821                 return ret;
 822         }
 823
 824         ret = gpio_request(GPIO_PF11, "net2272");
 825         if (ret) {
 826                 gpio_free(GPIO_PF0);
 827                 gpio_free(GPIO_PF1);
 828                 return ret;
 829         }
 830
 831         gpio_direction_output(GPIO_PF0, 0);
 832         gpio_direction_output(GPIO_PF1, 1);
 833
 834         /* Reset the USB chip */
 835         gpio_direction_output(GPIO_PF11, 0);
 836         mdelay(2);
 837         gpio_set_value(GPIO_PF11, 1);
 838 #endif
 839
 840         return 0;
 841 }
 842
 843 static int __init stamp_init(void)
 844 {
 845         int ret;
 846
 847         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 848
 849         i2c_register_board_info(0, bfin_i2c_board_info,
 850                                 ARRAY_SIZE(bfin_i2c_board_info));
 851
 852         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 853         if (ret < 0)
 854                 return ret;
 855
 856 #if IS_ENABLED(CONFIG_SMC91X)
 857         /*
 858          * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
 859          * the bfin-async-map driver takes care of flipping between
 860          * flash and ethernet when necessary.
 861          */
 862         ret = gpio_request(GPIO_PF0, "enet_cpld");
 863         if (!ret) {
 864                 gpio_direction_output(GPIO_PF0, 1);
 865                 gpio_free(GPIO_PF0);
 866         }
 867 #endif
 868
 869         if (net2272_init())
 870                 pr_warning("unable to configure net2272; it probably won't work\n");
 871
 872         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 873         return 0;
 874 }
 875
 876 arch_initcall(stamp_init);
 877
 878 static struct platform_device *stamp_early_devices[] __initdata = {
 879 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 880 #ifdef CONFIG_SERIAL_BFIN_UART0
 881         &bfin_uart0_device,
 882 #endif
 883 #endif
 884
 885 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 886 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 887         &bfin_sport0_uart_device,
 888 #endif
 889 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 890         &bfin_sport1_uart_device,
 891 #endif
 892 #endif
 893 };
 894
 895 void __init native_machine_early_platform_add_devices(void)
 896 {
 897         printk(KERN_INFO "register early platform devices\n");
 898         early_platform_add_devices(stamp_early_devices,
 899                 ARRAY_SIZE(stamp_early_devices));
 900 }
 901
 902 void native_machine_restart(char *cmd)
 903 {
 904         /* workaround pull up on cpld / flash pin not being strong enough */
 905         gpio_request(GPIO_PF0, "flash_cpld");
 906         gpio_direction_output(GPIO_PF0, 0);
 907 }