arch/blackfin/mach-bf548/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf548/boards/ezkit.c
   3  * Based on:     arch/blackfin/mach-bf537/boards/ezkit.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2007 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/flash.h>
  37 #include <linux/irq.h>
  38 #include <linux/interrupt.h>
  39 #include <linux/usb/musb.h>
  40 #include <asm/bfin5xx_spi.h>
  41 #include <asm/cplb.h>
  42 #include <asm/dma.h>
  43 #include <asm/gpio.h>
  44 #include <asm/nand.h>
  45 #include <asm/portmux.h>
  46 #include <asm/mach/bf54x_keys.h>
  47 #include <linux/input.h>
  48 #include <linux/spi/ad7877.h>
  49
  50 /*
  51  * Name the Board for the /proc/cpuinfo
  52  */
  53 const char bfin_board_name[] = "ADSP-BF548-EZKIT";
  54
  55 /*
  56  *  Driver needs to know address, irq and flag pin.
  57  */
  58
  59 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
  60
  61 #include <asm/mach/bf54x-lq043.h>
  62
  63 static struct bfin_bf54xfb_mach_info bf54x_lq043_data = {
  64         .width =        480,
  65         .height =       272,
  66         .xres =         {480, 480, 480},
  67         .yres =         {272, 272, 272},
  68         .bpp =          {24, 24, 24},
  69         .disp =         GPIO_PE3,
  70 };
  71
  72 static struct resource bf54x_lq043_resources[] = {
  73         {
  74                 .start = IRQ_EPPI0_ERR,
  75                 .end = IRQ_EPPI0_ERR,
  76                 .flags = IORESOURCE_IRQ,
  77         },
  78 };
  79
  80 static struct platform_device bf54x_lq043_device = {
  81         .name           = "bf54x-lq043",
  82         .id             = -1,
  83         .num_resources  = ARRAY_SIZE(bf54x_lq043_resources),
  84         .resource       = bf54x_lq043_resources,
  85         .dev            = {
  86                 .platform_data = &bf54x_lq043_data,
  87         },
  88 };
  89 #endif
  90
  91 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
  92 static const unsigned int bf548_keymap[] = {
  93         KEYVAL(0, 0, KEY_ENTER),
  94         KEYVAL(0, 1, KEY_HELP),
  95         KEYVAL(0, 2, KEY_0),
  96         KEYVAL(0, 3, KEY_BACKSPACE),
  97         KEYVAL(1, 0, KEY_TAB),
  98         KEYVAL(1, 1, KEY_9),
  99         KEYVAL(1, 2, KEY_8),
 100         KEYVAL(1, 3, KEY_7),
 101         KEYVAL(2, 0, KEY_DOWN),
 102         KEYVAL(2, 1, KEY_6),
 103         KEYVAL(2, 2, KEY_5),
 104         KEYVAL(2, 3, KEY_4),
 105         KEYVAL(3, 0, KEY_UP),
 106         KEYVAL(3, 1, KEY_3),
 107         KEYVAL(3, 2, KEY_2),
 108         KEYVAL(3, 3, KEY_1),
 109 };
 110
 111 static struct bfin_kpad_platform_data bf54x_kpad_data = {
 112         .rows                   = 4,
 113         .cols                   = 4,
 114         .keymap                 = bf548_keymap,
 115         .keymapsize             = ARRAY_SIZE(bf548_keymap),
 116         .repeat                 = 0,
 117         .debounce_time          = 5000, /* ns (5ms) */
 118         .coldrive_time          = 1000, /* ns (1ms) */
 119         .keyup_test_interval    = 50, /* ms (50ms) */
 120 };
 121
 122 static struct resource bf54x_kpad_resources[] = {
 123         {
 124                 .start = IRQ_KEY,
 125                 .end = IRQ_KEY,
 126                 .flags = IORESOURCE_IRQ,
 127         },
 128 };
 129
 130 static struct platform_device bf54x_kpad_device = {
 131         .name           = "bf54x-keys",
 132         .id             = -1,
 133         .num_resources  = ARRAY_SIZE(bf54x_kpad_resources),
 134         .resource       = bf54x_kpad_resources,
 135         .dev            = {
 136                 .platform_data = &bf54x_kpad_data,
 137         },
 138 };
 139 #endif
 140
 141 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 142 static struct platform_device rtc_device = {
 143         .name = "rtc-bfin",
 144         .id   = -1,
 145 };
 146 #endif
 147
 148 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 149 static struct resource bfin_uart_resources[] = {
 150 #ifdef CONFIG_SERIAL_BFIN_UART0
 151         {
 152                 .start = 0xFFC00400,
 153                 .end = 0xFFC004FF,
 154                 .flags = IORESOURCE_MEM,
 155         },
 156 #endif
 157 #ifdef CONFIG_SERIAL_BFIN_UART1
 158         {
 159                 .start = 0xFFC02000,
 160                 .end = 0xFFC020FF,
 161                 .flags = IORESOURCE_MEM,
 162         },
 163 #endif
 164 #ifdef CONFIG_SERIAL_BFIN_UART2
 165         {
 166                 .start = 0xFFC02100,
 167                 .end = 0xFFC021FF,
 168                 .flags = IORESOURCE_MEM,
 169         },
 170 #endif
 171 #ifdef CONFIG_SERIAL_BFIN_UART3
 172         {
 173                 .start = 0xFFC03100,
 174                 .end = 0xFFC031FF,
 175         },
 176 #endif
 177 };
 178
 179 static struct platform_device bfin_uart_device = {
 180         .name = "bfin-uart",
 181         .id = 1,
 182         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 183         .resource = bfin_uart_resources,
 184 };
 185 #endif
 186
 187 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 188 static struct resource smsc911x_resources[] = {
 189         {
 190                 .name = "smsc911x-memory",
 191                 .start = 0x24000000,
 192                 .end = 0x24000000 + 0xFF,
 193                 .flags = IORESOURCE_MEM,
 194         },
 195         {
 196                 .start = IRQ_PE8,
 197                 .end = IRQ_PE8,
 198                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 199         },
 200 };
 201 static struct platform_device smsc911x_device = {
 202         .name = "smsc911x",
 203         .id = 0,
 204         .num_resources = ARRAY_SIZE(smsc911x_resources),
 205         .resource = smsc911x_resources,
 206 };
 207 #endif
 208
 209 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 210 static struct resource musb_resources[] = {
 211         [0] = {
 212                 .start  = 0xFFC03C00,
 213                 .end    = 0xFFC040FF,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216         [1] = { /* general IRQ */
 217                 .start  = IRQ_USB_INT0,
 218                 .end    = IRQ_USB_INT0,
 219                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 220         },
 221         [2] = { /* DMA IRQ */
 222                 .start  = IRQ_USB_DMA,
 223                 .end    = IRQ_USB_DMA,
 224                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 225         },
 226 };
 227
 228 static struct musb_hdrc_platform_data musb_plat = {
 229 #ifdef CONFIG_USB_MUSB_OTG
 230         .mode           = MUSB_OTG,
 231 #elif CONFIG_USB_MUSB_HDRC_HCD
 232         .mode           = MUSB_HOST,
 233 #elif CONFIG_USB_GADGET_MUSB_HDRC
 234         .mode           = MUSB_PERIPHERAL,
 235 #endif
 236         .multipoint     = 1,
 237 };
 238
 239 static u64 musb_dmamask = ~(u32)0;
 240
 241 static struct platform_device musb_device = {
 242         .name           = "musb_hdrc",
 243         .id             = 0,
 244         .dev = {
 245                 .dma_mask               = &musb_dmamask,
 246                 .coherent_dma_mask      = 0xffffffff,
 247                 .platform_data          = &musb_plat,
 248         },
 249         .num_resources  = ARRAY_SIZE(musb_resources),
 250         .resource       = musb_resources,
 251 };
 252 #endif
 253
 254 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 255 static struct resource bfin_atapi_resources[] = {
 256         {
 257                 .start = 0xFFC03800,
 258                 .end = 0xFFC0386F,
 259                 .flags = IORESOURCE_MEM,
 260         },
 261         {
 262                 .start = IRQ_ATAPI_ERR,
 263                 .end = IRQ_ATAPI_ERR,
 264                 .flags = IORESOURCE_IRQ,
 265         },
 266 };
 267
 268 static struct platform_device bfin_atapi_device = {
 269         .name = "pata-bf54x",
 270         .id = -1,
 271         .num_resources = ARRAY_SIZE(bfin_atapi_resources),
 272         .resource = bfin_atapi_resources,
 273 };
 274 #endif
 275
 276 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 277 static struct mtd_partition partition_info[] = {
 278         {
 279                 .name = "Linux Kernel",
 280                 .offset = 0,
 281                 .size = 4 * SIZE_1M,
 282         },
 283         {
 284                 .name = "File System",
 285                 .offset = 4 * SIZE_1M,
 286                 .size = (256 - 4) * SIZE_1M,
 287         },
 288 };
 289
 290 static struct bf5xx_nand_platform bf5xx_nand_platform = {
 291         .page_size = NFC_PG_SIZE_256,
 292         .data_width = NFC_NWIDTH_8,
 293         .partitions = partition_info,
 294         .nr_partitions = ARRAY_SIZE(partition_info),
 295         .rd_dly = 3,
 296         .wr_dly = 3,
 297 };
 298
 299 static struct resource bf5xx_nand_resources[] = {
 300         {
 301                 .start = 0xFFC03B00,
 302                 .end = 0xFFC03B4F,
 303                 .flags = IORESOURCE_MEM,
 304         },
 305         {
 306                 .start = CH_NFC,
 307                 .end = CH_NFC,
 308                 .flags = IORESOURCE_IRQ,
 309         },
 310 };
 311
 312 static struct platform_device bf5xx_nand_device = {
 313         .name = "bf5xx-nand",
 314         .id = 0,
 315         .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
 316         .resource = bf5xx_nand_resources,
 317         .dev = {
 318                 .platform_data = &bf5xx_nand_platform,
 319         },
 320 };
 321 #endif
 322
 323 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
 324 static struct platform_device bf54x_sdh_device = {
 325         .name = "bfin-sdh",
 326         .id = 0,
 327 };
 328 #endif
 329
 330 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 331 /* all SPI peripherals info goes here */
 332 #if defined(CONFIG_MTD_M25P80) \
 333         || defined(CONFIG_MTD_M25P80_MODULE)
 334 /* SPI flash chip (m25p16) */
 335 static struct mtd_partition bfin_spi_flash_partitions[] = {
 336         {
 337                 .name = "bootloader",
 338                 .size = 0x00040000,
 339                 .offset = 0,
 340                 .mask_flags = MTD_CAP_ROM
 341         }, {
 342                 .name = "linux kernel",
 343                 .size = 0x1c0000,
 344                 .offset = 0x40000
 345         }
 346 };
 347
 348 static struct flash_platform_data bfin_spi_flash_data = {
 349         .name = "m25p80",
 350         .parts = bfin_spi_flash_partitions,
 351         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 352         .type = "m25p16",
 353 };
 354
 355 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 356         .enable_dma = 0,         /* use dma transfer with this chip*/
 357         .bits_per_word = 8,
 358         .cs_change_per_word = 0,
 359 };
 360 #endif
 361
 362 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 363 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 364         .cs_change_per_word = 0,
 365         .enable_dma = 0,
 366         .bits_per_word = 16,
 367 };
 368
 369 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 370         .model                  = 7877,
 371         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 372         .x_plate_ohms           = 419,
 373         .y_plate_ohms           = 486,
 374         .pressure_max           = 1000,
 375         .pressure_min           = 0,
 376         .stopacq_polarity       = 1,
 377         .first_conversion_delay = 3,
 378         .acquisition_time       = 1,
 379         .averaging              = 1,
 380         .pen_down_acc_interval  = 1,
 381 };
 382 #endif
 383
 384 static struct spi_board_info bf54x_spi_board_info[] __initdata = {
 385 #if defined(CONFIG_MTD_M25P80) \
 386         || defined(CONFIG_MTD_M25P80_MODULE)
 387         {
 388                 /* the modalias must be the same as spi device driver name */
 389                 .modalias = "m25p80", /* Name of spi_driver for this device */
 390                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 391                 .bus_num = 0, /* Framework bus number */
 392                 .chip_select = 1, /* SPI_SSEL1*/
 393                 .platform_data = &bfin_spi_flash_data,
 394                 .controller_data = &spi_flash_chip_info,
 395                 .mode = SPI_MODE_3,
 396         },
 397 #endif
 398 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 399 {
 400         .modalias               = "ad7877",
 401         .platform_data          = &bfin_ad7877_ts_info,
 402         .irq                    = IRQ_PJ11,
 403         .max_speed_hz           = 12500000,     /* max spi clock (SCK) speed in HZ */
 404         .bus_num                = 0,
 405         .chip_select            = 2,
 406         .controller_data = &spi_ad7877_chip_info,
 407 },
 408 #endif
 409 };
 410
 411 /* SPI (0) */
 412 static struct resource bfin_spi0_resource[] = {
 413         [0] = {
 414                 .start = SPI0_REGBASE,
 415                 .end   = SPI0_REGBASE + 0xFF,
 416                 .flags = IORESOURCE_MEM,
 417         },
 418         [1] = {
 419                 .start = CH_SPI0,
 420                 .end   = CH_SPI0,
 421                 .flags = IORESOURCE_IRQ,
 422         }
 423 };
 424
 425 /* SPI (1) */
 426 static struct resource bfin_spi1_resource[] = {
 427         [0] = {
 428                 .start = SPI1_REGBASE,
 429                 .end   = SPI1_REGBASE + 0xFF,
 430                 .flags = IORESOURCE_MEM,
 431         },
 432         [1] = {
 433                 .start = CH_SPI1,
 434                 .end   = CH_SPI1,
 435                 .flags = IORESOURCE_IRQ,
 436         }
 437 };
 438
 439 /* SPI controller data */
 440 static struct bfin5xx_spi_master bf54x_spi_master_info0 = {
 441         .num_chipselect = 8,
 442         .enable_dma = 1,  /* master has the ability to do dma transfer */
 443         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 444 };
 445
 446 static struct platform_device bf54x_spi_master0 = {
 447         .name = "bfin-spi",
 448         .id = 0, /* Bus number */
 449         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 450         .resource = bfin_spi0_resource,
 451         .dev = {
 452                 .platform_data = &bf54x_spi_master_info0, /* Passed to driver */
 453                 },
 454 };
 455
 456 static struct bfin5xx_spi_master bf54x_spi_master_info1 = {
 457         .num_chipselect = 8,
 458         .enable_dma = 1,  /* master has the ability to do dma transfer */
 459         .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
 460 };
 461
 462 static struct platform_device bf54x_spi_master1 = {
 463         .name = "bfin-spi",
 464         .id = 1, /* Bus number */
 465         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
 466         .resource = bfin_spi1_resource,
 467         .dev = {
 468                 .platform_data = &bf54x_spi_master_info1, /* Passed to driver */
 469                 },
 470 };
 471 #endif  /* spi master and devices */
 472
 473 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 474 static struct resource bfin_twi0_resource[] = {
 475         [0] = {
 476                 .start = TWI0_REGBASE,
 477                 .end   = TWI0_REGBASE + 0xFF,
 478                 .flags = IORESOURCE_MEM,
 479         },
 480         [1] = {
 481                 .start = IRQ_TWI0,
 482                 .end   = IRQ_TWI0,
 483                 .flags = IORESOURCE_IRQ,
 484         },
 485 };
 486
 487 static struct platform_device i2c_bfin_twi0_device = {
 488         .name = "i2c-bfin-twi",
 489         .id = 0,
 490         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 491         .resource = bfin_twi0_resource,
 492 };
 493
 494 #if !defined(CONFIG_BF542)      /* The BF542 only has 1 TWI */
 495 static struct resource bfin_twi1_resource[] = {
 496         [0] = {
 497                 .start = TWI1_REGBASE,
 498                 .end   = TWI1_REGBASE + 0xFF,
 499                 .flags = IORESOURCE_MEM,
 500         },
 501         [1] = {
 502                 .start = IRQ_TWI1,
 503                 .end   = IRQ_TWI1,
 504                 .flags = IORESOURCE_IRQ,
 505         },
 506 };
 507
 508 static struct platform_device i2c_bfin_twi1_device = {
 509         .name = "i2c-bfin-twi",
 510         .id = 1,
 511         .num_resources = ARRAY_SIZE(bfin_twi1_resource),
 512         .resource = bfin_twi1_resource,
 513 };
 514 #endif
 515 #endif
 516
 517 static struct platform_device *ezkit_devices[] __initdata = {
 518 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 519         &rtc_device,
 520 #endif
 521
 522 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 523         &bfin_uart_device,
 524 #endif
 525
 526 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
 527         &bf54x_lq043_device,
 528 #endif
 529
 530 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 531         &smsc911x_device,
 532 #endif
 533
 534 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 535         &musb_device,
 536 #endif
 537
 538 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 539         &bfin_atapi_device,
 540 #endif
 541
 542 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 543         &bf5xx_nand_device,
 544 #endif
 545
 546 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
 547         &bf54x_sdh_device,
 548 #endif
 549
 550 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 551         &bf54x_spi_master0,
 552         &bf54x_spi_master1,
 553 #endif
 554
 555 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
 556         &bf54x_kpad_device,
 557 #endif
 558
 559 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 560         &i2c_bfin_twi0_device,
 561 #if !defined(CONFIG_BF542)
 562         &i2c_bfin_twi1_device,
 563 #endif
 564 #endif
 565 };
 566
 567 static int __init stamp_init(void)
 568 {
 569         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 570         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 571
 572 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 573         spi_register_board_info(bf54x_spi_board_info,
 574                         ARRAY_SIZE(bf54x_spi_board_info));
 575 #endif
 576
 577         return 0;
 578 }
 579
 580 arch_initcall(stamp_init);