kernel/arch/blackfin/mach-bf527/boards/ezbrd.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/export.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/mtd/physmap.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17
  18 #include <linux/i2c.h>
  19 #include <linux/irq.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/usb/musb.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/reboot.h>
  25 #include <asm/nand.h>
  26 #include <asm/portmux.h>
  27 #include <asm/dpmc.h>
  28 #include <linux/spi/ad7877.h>
  29
  30 /*
  31  * Name the Board for the /proc/cpuinfo
  32  */
  33 const char bfin_board_name[] = "ADI BF526-EZBRD";
  34
  35 /*
  36  *  Driver needs to know address, irq and flag pin.
  37  */
  38
  39 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
  40 static struct resource musb_resources[] = {
  41         [0] = {
  42                 .start  = 0xffc03800,
  43                 .end    = 0xffc03cff,
  44                 .flags  = IORESOURCE_MEM,
  45         },
  46         [1] = { /* general IRQ */
  47                 .start  = IRQ_USB_INT0,
  48                 .end    = IRQ_USB_INT0,
  49                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  50                 .name   = "mc"
  51         },
  52         [2] = { /* DMA IRQ */
  53                 .start  = IRQ_USB_DMA,
  54                 .end    = IRQ_USB_DMA,
  55                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  56                 .name   = "dma"
  57         },
  58 };
  59
  60 static struct musb_hdrc_config musb_config = {
  61         .multipoint     = 0,
  62         .dyn_fifo       = 0,
  63         .soft_con       = 1,
  64         .dma            = 1,
  65         .num_eps        = 8,
  66         .dma_channels   = 8,
  67         .gpio_vrsel     = GPIO_PG13,
  68         /* Some custom boards need to be active low, just set it to "0"
  69          * if it is the case.
  70          */
  71         .gpio_vrsel_active      = 1,
  72         .clkin          = 24,           /* musb CLKIN in MHZ */
  73 };
  74
  75 static struct musb_hdrc_platform_data musb_plat = {
  76 #if defined(CONFIG_USB_MUSB_OTG)
  77         .mode           = MUSB_OTG,
  78 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
  79         .mode           = MUSB_HOST,
  80 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
  81         .mode           = MUSB_PERIPHERAL,
  82 #endif
  83         .config         = &musb_config,
  84 };
  85
  86 static u64 musb_dmamask = ~(u32)0;
  87
  88 static struct platform_device musb_device = {
  89         .name           = "musb-blackfin",
  90         .id             = 0,
  91         .dev = {
  92                 .dma_mask               = &musb_dmamask,
  93                 .coherent_dma_mask      = 0xffffffff,
  94                 .platform_data          = &musb_plat,
  95         },
  96         .num_resources  = ARRAY_SIZE(musb_resources),
  97         .resource       = musb_resources,
  98 };
  99 #endif
 100
 101 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 102 static struct mtd_partition ezbrd_partitions[] = {
 103         {
 104                 .name       = "bootloader(nor)",
 105                 .size       = 0x40000,
 106                 .offset     = 0,
 107         }, {
 108                 .name       = "linux kernel(nor)",
 109                 .size       = 0x1C0000,
 110                 .offset     = MTDPART_OFS_APPEND,
 111         }, {
 112                 .name       = "file system(nor)",
 113                 .size       = MTDPART_SIZ_FULL,
 114                 .offset     = MTDPART_OFS_APPEND,
 115         }
 116 };
 117
 118 static struct physmap_flash_data ezbrd_flash_data = {
 119         .width      = 2,
 120         .parts      = ezbrd_partitions,
 121         .nr_parts   = ARRAY_SIZE(ezbrd_partitions),
 122 };
 123
 124 static struct resource ezbrd_flash_resource = {
 125         .start = 0x20000000,
 126         .end   = 0x203fffff,
 127         .flags = IORESOURCE_MEM,
 128 };
 129
 130 static struct platform_device ezbrd_flash_device = {
 131         .name          = "physmap-flash",
 132         .id            = 0,
 133         .dev = {
 134                 .platform_data = &ezbrd_flash_data,
 135         },
 136         .num_resources = 1,
 137         .resource      = &ezbrd_flash_resource,
 138 };
 139 #endif
 140
 141 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
 142 static struct mtd_partition partition_info[] = {
 143         {
 144                 .name = "bootloader(nand)",
 145                 .offset = 0,
 146                 .size = 0x40000,
 147         }, {
 148                 .name = "linux kernel(nand)",
 149                 .offset = MTDPART_OFS_APPEND,
 150                 .size = 4 * 1024 * 1024,
 151         },
 152         {
 153                 .name = "file system(nand)",
 154                 .offset = MTDPART_OFS_APPEND,
 155                 .size = MTDPART_SIZ_FULL,
 156         },
 157 };
 158
 159 static struct bf5xx_nand_platform bf5xx_nand_platform = {
 160         .data_width = NFC_NWIDTH_8,
 161         .partitions = partition_info,
 162         .nr_partitions = ARRAY_SIZE(partition_info),
 163         .rd_dly = 3,
 164         .wr_dly = 3,
 165 };
 166
 167 static struct resource bf5xx_nand_resources[] = {
 168         {
 169                 .start = NFC_CTL,
 170                 .end = NFC_DATA_RD + 2,
 171                 .flags = IORESOURCE_MEM,
 172         },
 173         {
 174                 .start = CH_NFC,
 175                 .end = CH_NFC,
 176                 .flags = IORESOURCE_IRQ,
 177         },
 178 };
 179
 180 static struct platform_device bf5xx_nand_device = {
 181         .name = "bf5xx-nand",
 182         .id = 0,
 183         .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
 184         .resource = bf5xx_nand_resources,
 185         .dev = {
 186                 .platform_data = &bf5xx_nand_platform,
 187         },
 188 };
 189 #endif
 190
 191 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 192 static struct platform_device rtc_device = {
 193         .name = "rtc-bfin",
 194         .id   = -1,
 195 };
 196 #endif
 197
 198
 199 #if IS_ENABLED(CONFIG_BFIN_MAC)
 200 #include <linux/bfin_mac.h>
 201 static const unsigned short bfin_mac_peripherals[] = P_RMII0;
 202
 203 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
 204         {
 205                 .addr = 1,
 206                 .irq = IRQ_MAC_PHYINT,
 207         },
 208 };
 209
 210 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
 211         .phydev_number = 1,
 212         .phydev_data = bfin_phydev_data,
 213         .phy_mode = PHY_INTERFACE_MODE_RMII,
 214         .mac_peripherals = bfin_mac_peripherals,
 215 };
 216
 217 static struct platform_device bfin_mii_bus = {
 218         .name = "bfin_mii_bus",
 219         .dev = {
 220                 .platform_data = &bfin_mii_bus_data,
 221         }
 222 };
 223
 224 static struct platform_device bfin_mac_device = {
 225         .name = "bfin_mac",
 226         .dev = {
 227                 .platform_data = &bfin_mii_bus,
 228         }
 229 };
 230 #endif
 231
 232 #if IS_ENABLED(CONFIG_MTD_M25P80)
 233 static struct mtd_partition bfin_spi_flash_partitions[] = {
 234         {
 235                 .name = "bootloader(spi)",
 236                 .size = 0x00040000,
 237                 .offset = 0,
 238                 .mask_flags = MTD_CAP_ROM
 239         }, {
 240                 .name = "linux kernel(spi)",
 241                 .size = MTDPART_SIZ_FULL,
 242                 .offset = MTDPART_OFS_APPEND,
 243         }
 244 };
 245
 246 static struct flash_platform_data bfin_spi_flash_data = {
 247         .name = "m25p80",
 248         .parts = bfin_spi_flash_partitions,
 249         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 250         .type = "sst25wf040",
 251 };
 252
 253 /* SPI flash chip (sst25wf040) */
 254 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 255         .enable_dma = 0,         /* use dma transfer with this chip*/
 256 };
 257 #endif
 258
 259 #if IS_ENABLED(CONFIG_MMC_SPI)
 260 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 261         .enable_dma = 0,
 262 };
 263 #endif
 264
 265 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
 266 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 267         .model                  = 7877,
 268         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 269         .x_plate_ohms           = 419,
 270         .y_plate_ohms           = 486,
 271         .pressure_max           = 1000,
 272         .pressure_min           = 0,
 273         .stopacq_polarity       = 1,
 274         .first_conversion_delay = 3,
 275         .acquisition_time       = 1,
 276         .averaging              = 1,
 277         .pen_down_acc_interval  = 1,
 278 };
 279 #endif
 280
 281 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
 282 #include <linux/spi/ad7879.h>
 283 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 284         .model                  = 7879, /* Model = AD7879 */
 285         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
 286         .pressure_max           = 10000,
 287         .pressure_min           = 0,
 288         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
 289         .acquisition_time       = 1,    /* 4us acquisition time per sample */
 290         .median                 = 2,    /* do 8 measurements */
 291         .averaging              = 1,    /* take the average of 4 middle samples */
 292         .pen_down_acc_interval  = 255,  /* 9.4 ms */
 293         .gpio_export            = 1,    /* Export GPIO to gpiolib */
 294         .gpio_base              = -1,   /* Dynamic allocation */
 295 };
 296 #endif
 297
 298 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 299 #if IS_ENABLED(CONFIG_MTD_M25P80)
 300         {
 301                 /* the modalias must be the same as spi device driver name */
 302                 .modalias = "m25p80", /* Name of spi_driver for this device */
 303                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 304                 .bus_num = 0, /* Framework bus number */
 305                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 306                 .platform_data = &bfin_spi_flash_data,
 307                 .controller_data = &spi_flash_chip_info,
 308                 .mode = SPI_MODE_3,
 309         },
 310 #endif
 311
 312 #if IS_ENABLED(CONFIG_MMC_SPI)
 313         {
 314                 .modalias = "mmc_spi",
 315                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 316                 .bus_num = 0,
 317                 .chip_select = 5,
 318                 .controller_data = &mmc_spi_chip_info,
 319                 .mode = SPI_MODE_3,
 320         },
 321 #endif
 322 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
 323         {
 324                 .modalias               = "ad7877",
 325                 .platform_data          = &bfin_ad7877_ts_info,
 326                 .irq                    = IRQ_PF8,
 327                 .max_speed_hz   = 12500000,     /* max spi clock (SCK) speed in HZ */
 328                 .bus_num        = 0,
 329                 .chip_select  = 2,
 330         },
 331 #endif
 332 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879_SPI)
 333         {
 334                 .modalias = "ad7879",
 335                 .platform_data = &bfin_ad7879_ts_info,
 336                 .irq = IRQ_PG0,
 337                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 338                 .bus_num = 0,
 339                 .chip_select = 5,
 340                 .mode = SPI_CPHA | SPI_CPOL,
 341         },
 342 #endif
 343 #if IS_ENABLED(CONFIG_SND_SOC_WM8731) \
 344          && defined(CONFIG_SND_SOC_WM8731_SPI)
 345         {
 346                 .modalias       = "wm8731",
 347                 .max_speed_hz   = 3125000,     /* max spi clock (SCK) speed in HZ */
 348                 .bus_num        = 0,
 349                 .chip_select    = 5,
 350                 .mode = SPI_MODE_0,
 351         },
 352 #endif
 353 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 354         {
 355                 .modalias = "spidev",
 356                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 357                 .bus_num = 0,
 358                 .chip_select = 1,
 359         },
 360 #endif
 361 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
 362         {
 363                 .modalias = "bfin-lq035q1-spi",
 364                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 365                 .bus_num = 0,
 366                 .chip_select = 1,
 367                 .mode = SPI_CPHA | SPI_CPOL,
 368         },
 369 #endif
 370 };
 371
 372 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 373 /* SPI controller data */
 374 static struct bfin5xx_spi_master bfin_spi0_info = {
 375         .num_chipselect = 8,
 376         .enable_dma = 1,  /* master has the ability to do dma transfer */
 377         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 378 };
 379
 380 /* SPI (0) */
 381 static struct resource bfin_spi0_resource[] = {
 382         [0] = {
 383                 .start = SPI0_REGBASE,
 384                 .end   = SPI0_REGBASE + 0xFF,
 385                 .flags = IORESOURCE_MEM,
 386                 },
 387         [1] = {
 388                 .start = CH_SPI,
 389                 .end   = CH_SPI,
 390                 .flags = IORESOURCE_DMA,
 391         },
 392         [2] = {
 393                 .start = IRQ_SPI,
 394                 .end   = IRQ_SPI,
 395                 .flags = IORESOURCE_IRQ,
 396         },
 397 };
 398
 399 static struct platform_device bfin_spi0_device = {
 400         .name = "bfin-spi",
 401         .id = 0, /* Bus number */
 402         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 403         .resource = bfin_spi0_resource,
 404         .dev = {
 405                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 406         },
 407 };
 408 #endif  /* spi master and devices */
 409
 410 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 411 #ifdef CONFIG_SERIAL_BFIN_UART0
 412 static struct resource bfin_uart0_resources[] = {
 413         {
 414                 .start = UART0_THR,
 415                 .end = UART0_GCTL+2,
 416                 .flags = IORESOURCE_MEM,
 417         },
 418         {
 419                 .start = IRQ_UART0_TX,
 420                 .end = IRQ_UART0_TX,
 421                 .flags = IORESOURCE_IRQ,
 422         },
 423         {
 424                 .start = IRQ_UART0_RX,
 425                 .end = IRQ_UART0_RX,
 426                 .flags = IORESOURCE_IRQ,
 427         },
 428         {
 429                 .start = IRQ_UART0_ERROR,
 430                 .end = IRQ_UART0_ERROR,
 431                 .flags = IORESOURCE_IRQ,
 432         },
 433         {
 434                 .start = CH_UART0_TX,
 435                 .end = CH_UART0_TX,
 436                 .flags = IORESOURCE_DMA,
 437         },
 438         {
 439                 .start = CH_UART0_RX,
 440                 .end = CH_UART0_RX,
 441                 .flags = IORESOURCE_DMA,
 442         },
 443 };
 444
 445 static unsigned short bfin_uart0_peripherals[] = {
 446         P_UART0_TX, P_UART0_RX, 0
 447 };
 448
 449 static struct platform_device bfin_uart0_device = {
 450         .name = "bfin-uart",
 451         .id = 0,
 452         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 453         .resource = bfin_uart0_resources,
 454         .dev = {
 455                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 456         },
 457 };
 458 #endif
 459 #ifdef CONFIG_SERIAL_BFIN_UART1
 460 static struct resource bfin_uart1_resources[] = {
 461         {
 462                 .start = UART1_THR,
 463                 .end = UART1_GCTL+2,
 464                 .flags = IORESOURCE_MEM,
 465         },
 466         {
 467                 .start = IRQ_UART1_TX,
 468                 .end = IRQ_UART1_TX,
 469                 .flags = IORESOURCE_IRQ,
 470         },
 471         {
 472                 .start = IRQ_UART1_RX,
 473                 .end = IRQ_UART1_RX,
 474                 .flags = IORESOURCE_IRQ,
 475         },
 476         {
 477                 .start = IRQ_UART1_ERROR,
 478                 .end = IRQ_UART1_ERROR,
 479                 .flags = IORESOURCE_IRQ,
 480         },
 481         {
 482                 .start = CH_UART1_TX,
 483                 .end = CH_UART1_TX,
 484                 .flags = IORESOURCE_DMA,
 485         },
 486         {
 487                 .start = CH_UART1_RX,
 488                 .end = CH_UART1_RX,
 489                 .flags = IORESOURCE_DMA,
 490         },
 491 #ifdef CONFIG_BFIN_UART1_CTSRTS
 492         {       /* CTS pin */
 493                 .start = GPIO_PG0,
 494                 .end = GPIO_PG0,
 495                 .flags = IORESOURCE_IO,
 496         },
 497         {       /* RTS pin */
 498                 .start = GPIO_PF10,
 499                 .end = GPIO_PF10,
 500                 .flags = IORESOURCE_IO,
 501         },
 502 #endif
 503 };
 504
 505 static unsigned short bfin_uart1_peripherals[] = {
 506         P_UART1_TX, P_UART1_RX, 0
 507 };
 508
 509 static struct platform_device bfin_uart1_device = {
 510         .name = "bfin-uart",
 511         .id = 1,
 512         .num_resources = ARRAY_SIZE(bfin_uart1_resources),
 513         .resource = bfin_uart1_resources,
 514         .dev = {
 515                 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
 516         },
 517 };
 518 #endif
 519 #endif
 520
 521 #if IS_ENABLED(CONFIG_BFIN_SIR)
 522 #ifdef CONFIG_BFIN_SIR0
 523 static struct resource bfin_sir0_resources[] = {
 524         {
 525                 .start = 0xFFC00400,
 526                 .end = 0xFFC004FF,
 527                 .flags = IORESOURCE_MEM,
 528         },
 529         {
 530                 .start = IRQ_UART0_RX,
 531                 .end = IRQ_UART0_RX+1,
 532                 .flags = IORESOURCE_IRQ,
 533         },
 534         {
 535                 .start = CH_UART0_RX,
 536                 .end = CH_UART0_RX+1,
 537                 .flags = IORESOURCE_DMA,
 538         },
 539 };
 540
 541 static struct platform_device bfin_sir0_device = {
 542         .name = "bfin_sir",
 543         .id = 0,
 544         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 545         .resource = bfin_sir0_resources,
 546 };
 547 #endif
 548 #ifdef CONFIG_BFIN_SIR1
 549 static struct resource bfin_sir1_resources[] = {
 550         {
 551                 .start = 0xFFC02000,
 552                 .end = 0xFFC020FF,
 553                 .flags = IORESOURCE_MEM,
 554         },
 555         {
 556                 .start = IRQ_UART1_RX,
 557                 .end = IRQ_UART1_RX+1,
 558                 .flags = IORESOURCE_IRQ,
 559         },
 560         {
 561                 .start = CH_UART1_RX,
 562                 .end = CH_UART1_RX+1,
 563                 .flags = IORESOURCE_DMA,
 564         },
 565 };
 566
 567 static struct platform_device bfin_sir1_device = {
 568         .name = "bfin_sir",
 569         .id = 1,
 570         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 571         .resource = bfin_sir1_resources,
 572 };
 573 #endif
 574 #endif
 575
 576 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
 577 static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
 578
 579 static struct resource bfin_twi0_resource[] = {
 580         [0] = {
 581                 .start = TWI0_REGBASE,
 582                 .end   = TWI0_REGBASE,
 583                 .flags = IORESOURCE_MEM,
 584         },
 585         [1] = {
 586                 .start = IRQ_TWI,
 587                 .end   = IRQ_TWI,
 588                 .flags = IORESOURCE_IRQ,
 589         },
 590 };
 591
 592 static struct platform_device i2c_bfin_twi_device = {
 593         .name = "i2c-bfin-twi",
 594         .id = 0,
 595         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 596         .resource = bfin_twi0_resource,
 597         .dev = {
 598                 .platform_data = &bfin_twi0_pins,
 599         },
 600 };
 601 #endif
 602
 603 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 604 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
 605         {
 606                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 607         },
 608 #endif
 609 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
 610         {
 611                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 612                 .irq = IRQ_PF8,
 613         },
 614 #endif
 615 };
 616
 617 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 618 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 619 static struct resource bfin_sport0_uart_resources[] = {
 620         {
 621                 .start = SPORT0_TCR1,
 622                 .end = SPORT0_MRCS3+4,
 623                 .flags = IORESOURCE_MEM,
 624         },
 625         {
 626                 .start = IRQ_SPORT0_RX,
 627                 .end = IRQ_SPORT0_RX+1,
 628                 .flags = IORESOURCE_IRQ,
 629         },
 630         {
 631                 .start = IRQ_SPORT0_ERROR,
 632                 .end = IRQ_SPORT0_ERROR,
 633                 .flags = IORESOURCE_IRQ,
 634         },
 635 };
 636
 637 static unsigned short bfin_sport0_peripherals[] = {
 638         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 639         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 640 };
 641
 642 static struct platform_device bfin_sport0_uart_device = {
 643         .name = "bfin-sport-uart",
 644         .id = 0,
 645         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 646         .resource = bfin_sport0_uart_resources,
 647         .dev = {
 648                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 649         },
 650 };
 651 #endif
 652 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 653 static struct resource bfin_sport1_uart_resources[] = {
 654         {
 655                 .start = SPORT1_TCR1,
 656                 .end = SPORT1_MRCS3+4,
 657                 .flags = IORESOURCE_MEM,
 658         },
 659         {
 660                 .start = IRQ_SPORT1_RX,
 661                 .end = IRQ_SPORT1_RX+1,
 662                 .flags = IORESOURCE_IRQ,
 663         },
 664         {
 665                 .start = IRQ_SPORT1_ERROR,
 666                 .end = IRQ_SPORT1_ERROR,
 667                 .flags = IORESOURCE_IRQ,
 668         },
 669 };
 670
 671 static unsigned short bfin_sport1_peripherals[] = {
 672         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 673         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 674 };
 675
 676 static struct platform_device bfin_sport1_uart_device = {
 677         .name = "bfin-sport-uart",
 678         .id = 1,
 679         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 680         .resource = bfin_sport1_uart_resources,
 681         .dev = {
 682                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 683         },
 684 };
 685 #endif
 686 #endif
 687
 688 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 689 #include <linux/input.h>
 690 #include <linux/gpio_keys.h>
 691
 692 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 693         {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
 694         {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
 695 };
 696
 697 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 698         .buttons        = bfin_gpio_keys_table,
 699         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 700 };
 701
 702 static struct platform_device bfin_device_gpiokeys = {
 703         .name      = "gpio-keys",
 704         .dev = {
 705                 .platform_data = &bfin_gpio_keys_data,
 706         },
 707 };
 708 #endif
 709
 710 static const unsigned int cclk_vlev_datasheet[] =
 711 {
 712         VRPAIR(VLEV_100, 400000000),
 713         VRPAIR(VLEV_105, 426000000),
 714         VRPAIR(VLEV_110, 500000000),
 715         VRPAIR(VLEV_115, 533000000),
 716         VRPAIR(VLEV_120, 600000000),
 717 };
 718
 719 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 720         .tuple_tab = cclk_vlev_datasheet,
 721         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 722         .vr_settling_time = 25 /* us */,
 723 };
 724
 725 static struct platform_device bfin_dpmc = {
 726         .name = "bfin dpmc",
 727         .dev = {
 728                 .platform_data = &bfin_dmpc_vreg_data,
 729         },
 730 };
 731
 732 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
 733 #include <asm/bfin-lq035q1.h>
 734
 735 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
 736         .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
 737         .ppi_mode = USE_RGB565_16_BIT_PPI,
 738         .use_bl = 1,
 739         .gpio_bl = GPIO_PG12,
 740 };
 741
 742 static struct resource bfin_lq035q1_resources[] = {
 743         {
 744                 .start = IRQ_PPI_ERROR,
 745                 .end = IRQ_PPI_ERROR,
 746                 .flags = IORESOURCE_IRQ,
 747         },
 748 };
 749
 750 static struct platform_device bfin_lq035q1_device = {
 751         .name           = "bfin-lq035q1",
 752         .id             = -1,
 753         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
 754         .resource       = bfin_lq035q1_resources,
 755         .dev            = {
 756                 .platform_data = &bfin_lq035q1_data,
 757         },
 758 };
 759 #endif
 760
 761 static struct platform_device *stamp_devices[] __initdata = {
 762
 763         &bfin_dpmc,
 764
 765 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
 766         &bf5xx_nand_device,
 767 #endif
 768
 769 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 770         &rtc_device,
 771 #endif
 772
 773 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
 774         &musb_device,
 775 #endif
 776
 777 #if IS_ENABLED(CONFIG_BFIN_MAC)
 778         &bfin_mii_bus,
 779         &bfin_mac_device,
 780 #endif
 781
 782 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 783         &bfin_spi0_device,
 784 #endif
 785
 786 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 787 #ifdef CONFIG_SERIAL_BFIN_UART0
 788         &bfin_uart0_device,
 789 #endif
 790 #ifdef CONFIG_SERIAL_BFIN_UART1
 791         &bfin_uart1_device,
 792 #endif
 793 #endif
 794
 795 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
 796         &bfin_lq035q1_device,
 797 #endif
 798
 799 #if IS_ENABLED(CONFIG_BFIN_SIR)
 800 #ifdef CONFIG_BFIN_SIR0
 801         &bfin_sir0_device,
 802 #endif
 803 #ifdef CONFIG_BFIN_SIR1
 804         &bfin_sir1_device,
 805 #endif
 806 #endif
 807
 808 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
 809         &i2c_bfin_twi_device,
 810 #endif
 811
 812 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 813 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 814         &bfin_sport0_uart_device,
 815 #endif
 816 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 817         &bfin_sport1_uart_device,
 818 #endif
 819 #endif
 820
 821 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 822         &bfin_device_gpiokeys,
 823 #endif
 824
 825 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 826         &ezbrd_flash_device,
 827 #endif
 828 };
 829
 830 static int __init ezbrd_init(void)
 831 {
 832         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 833         i2c_register_board_info(0, bfin_i2c_board_info,
 834                                 ARRAY_SIZE(bfin_i2c_board_info));
 835         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 836         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 837         return 0;
 838 }
 839
 840 arch_initcall(ezbrd_init);
 841
 842 static struct platform_device *ezbrd_early_devices[] __initdata = {
 843 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 844 #ifdef CONFIG_SERIAL_BFIN_UART0
 845         &bfin_uart0_device,
 846 #endif
 847 #ifdef CONFIG_SERIAL_BFIN_UART1
 848         &bfin_uart1_device,
 849 #endif
 850 #endif
 851
 852 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 853 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 854         &bfin_sport0_uart_device,
 855 #endif
 856 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 857         &bfin_sport1_uart_device,
 858 #endif
 859 #endif
 860 };
 861
 862 void __init native_machine_early_platform_add_devices(void)
 863 {
 864         printk(KERN_INFO "register early platform devices\n");
 865         early_platform_add_devices(ezbrd_early_devices,
 866                 ARRAY_SIZE(ezbrd_early_devices));
 867 }
 868
 869 void native_machine_restart(char *cmd)
 870 {
 871         /* workaround reboot hang when booting from SPI */
 872         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 873                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 874 }
 875
 876 int bfin_get_ether_addr(char *addr)
 877 {
 878         /* the MAC is stored in OTP memory page 0xDF */
 879         u32 ret;
 880         u64 otp_mac;
 881         u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
 882
 883         ret = otp_read(0xDF, 0x00, &otp_mac);
 884         if (!(ret & 0x1)) {
 885                 char *otp_mac_p = (char *)&otp_mac;
 886                 for (ret = 0; ret < 6; ++ret)
 887                         addr[ret] = otp_mac_p[5 - ret];
 888         }
 889         return 0;
 890 }
 891 EXPORT_SYMBOL(bfin_get_ether_addr);