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/mach/bf54x_keys.h>
  46 #include <linux/input.h>
  47 #include <linux/spi/ad7877.h>
  48
  49 /*
  50  * Name the Board for the /proc/cpuinfo
  51  */
  52 const char bfin_board_name[] = "ADSP-BF548-EZKIT";
  53
  54 /*
  55  *  Driver needs to know address, irq and flag pin.
  56  */
  57
  58 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
  59
  60 #include <asm/mach/bf54x-lq043.h>
  61
  62 static struct bfin_bf54xfb_mach_info bf54x_lq043_data = {
  63         .width =        480,
  64         .height =       272,
  65         .xres =         {480, 480, 480},
  66         .yres =         {272, 272, 272},
  67         .bpp =          {24, 24, 24},
  68         .disp =         GPIO_PE3,
  69 };
  70
  71 static struct resource bf54x_lq043_resources[] = {
  72         {
  73                 .start = IRQ_EPPI0_ERR,
  74                 .end = IRQ_EPPI0_ERR,
  75                 .flags = IORESOURCE_IRQ,
  76         },
  77 };
  78
  79 static struct platform_device bf54x_lq043_device = {
  80         .name           = "bf54x-lq043",
  81         .id             = -1,
  82         .num_resources  = ARRAY_SIZE(bf54x_lq043_resources),
  83         .resource       = bf54x_lq043_resources,
  84         .dev            = {
  85                 .platform_data = &bf54x_lq043_data,
  86         },
  87 };
  88 #endif
  89
  90 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
  91 static const unsigned int bf548_keymap[] = {
  92         KEYVAL(0, 0, KEY_ENTER),
  93         KEYVAL(0, 1, KEY_HELP),
  94         KEYVAL(0, 2, KEY_0),
  95         KEYVAL(0, 3, KEY_BACKSPACE),
  96         KEYVAL(1, 0, KEY_TAB),
  97         KEYVAL(1, 1, KEY_9),
  98         KEYVAL(1, 2, KEY_8),
  99         KEYVAL(1, 3, KEY_7),
 100         KEYVAL(2, 0, KEY_DOWN),
 101         KEYVAL(2, 1, KEY_6),
 102         KEYVAL(2, 2, KEY_5),
 103         KEYVAL(2, 3, KEY_4),
 104         KEYVAL(3, 0, KEY_UP),
 105         KEYVAL(3, 1, KEY_3),
 106         KEYVAL(3, 2, KEY_2),
 107         KEYVAL(3, 3, KEY_1),
 108 };
 109
 110 static struct bfin_kpad_platform_data bf54x_kpad_data = {
 111         .rows                   = 4,
 112         .cols                   = 4,
 113         .keymap                 = bf548_keymap,
 114         .keymapsize             = ARRAY_SIZE(bf548_keymap),
 115         .repeat                 = 0,
 116         .debounce_time          = 5000, /* ns (5ms) */
 117         .coldrive_time          = 1000, /* ns (1ms) */
 118         .keyup_test_interval    = 50, /* ms (50ms) */
 119 };
 120
 121 static struct resource bf54x_kpad_resources[] = {
 122         {
 123                 .start = IRQ_KEY,
 124                 .end = IRQ_KEY,
 125                 .flags = IORESOURCE_IRQ,
 126         },
 127 };
 128
 129 static struct platform_device bf54x_kpad_device = {
 130         .name           = "bf54x-keys",
 131         .id             = -1,
 132         .num_resources  = ARRAY_SIZE(bf54x_kpad_resources),
 133         .resource       = bf54x_kpad_resources,
 134         .dev            = {
 135                 .platform_data = &bf54x_kpad_data,
 136         },
 137 };
 138 #endif
 139
 140 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 141 static struct platform_device rtc_device = {
 142         .name = "rtc-bfin",
 143         .id   = -1,
 144 };
 145 #endif
 146
 147 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 148 static struct resource bfin_uart_resources[] = {
 149 #ifdef CONFIG_SERIAL_BFIN_UART0
 150         {
 151                 .start = 0xFFC00400,
 152                 .end = 0xFFC004FF,
 153                 .flags = IORESOURCE_MEM,
 154         },
 155 #endif
 156 #ifdef CONFIG_SERIAL_BFIN_UART1
 157         {
 158                 .start = 0xFFC02000,
 159                 .end = 0xFFC020FF,
 160                 .flags = IORESOURCE_MEM,
 161         },
 162 #endif
 163 #ifdef CONFIG_SERIAL_BFIN_UART2
 164         {
 165                 .start = 0xFFC02100,
 166                 .end = 0xFFC021FF,
 167                 .flags = IORESOURCE_MEM,
 168         },
 169 #endif
 170 #ifdef CONFIG_SERIAL_BFIN_UART3
 171         {
 172                 .start = 0xFFC03100,
 173                 .end = 0xFFC031FF,
 174         },
 175 #endif
 176 };
 177
 178 static struct platform_device bfin_uart_device = {
 179         .name = "bfin-uart",
 180         .id = 1,
 181         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 182         .resource = bfin_uart_resources,
 183 };
 184 #endif
 185
 186 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 187 static struct resource smsc911x_resources[] = {
 188         {
 189                 .name = "smsc911x-memory",
 190                 .start = 0x24000000,
 191                 .end = 0x24000000 + 0xFF,
 192                 .flags = IORESOURCE_MEM,
 193         },
 194         {
 195                 .start = IRQ_PE8,
 196                 .end = IRQ_PE8,
 197                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 198         },
 199 };
 200 static struct platform_device smsc911x_device = {
 201         .name = "smsc911x",
 202         .id = 0,
 203         .num_resources = ARRAY_SIZE(smsc911x_resources),
 204         .resource = smsc911x_resources,
 205 };
 206 #endif
 207
 208 #if defined(CONFIG_USB_BF54x_HCD) || defined(CONFIG_USB_BF54x_HCD_MODULE)
 209 static struct resource bf54x_hcd_resources[] = {
 210         {
 211                 .start = 0xFFC03C00,
 212                 .end = 0xFFC040FF,
 213                 .flags = IORESOURCE_MEM,
 214         },
 215 };
 216
 217 static struct platform_device bf54x_hcd = {
 218         .name = "bf54x-hcd",
 219         .id = 0,
 220         .num_resources = ARRAY_SIZE(bf54x_hcd_resources),
 221         .resource = bf54x_hcd_resources,
 222 };
 223 #endif
 224
 225 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 226 static struct resource musb_resources[] = {
 227         [0] = {
 228                 .start  = 0xFFC03C00,
 229                 .end    = 0xFFC040FF,
 230                 .flags  = IORESOURCE_MEM,
 231         },
 232         [1] = { /* general IRQ */
 233                 .start  = IRQ_USB_INT0,
 234                 .end    = IRQ_USB_INT0,
 235                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 236         },
 237         [2] = { /* DMA IRQ */
 238                 .start  = IRQ_USB_DMA,
 239                 .end    = IRQ_USB_DMA,
 240                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 241         },
 242 };
 243
 244 static struct musb_hdrc_platform_data musb_plat = {
 245 #ifdef CONFIG_USB_MUSB_OTG
 246         .mode           = MUSB_OTG,
 247 #elif CONFIG_USB_MUSB_HDRC_HCD
 248         .mode           = MUSB_HOST,
 249 #elif CONFIG_USB_GADGET_MUSB_HDRC
 250         .mode           = MUSB_PERIPHERAL,
 251 #endif
 252         .multipoint     = 1,
 253 };
 254
 255 static u64 musb_dmamask = ~(u32)0;
 256
 257 static struct platform_device musb_device = {
 258         .name           = "musb_hdrc",
 259         .id             = 0,
 260         .dev = {
 261                 .dma_mask               = &musb_dmamask,
 262                 .coherent_dma_mask      = 0xffffffff,
 263                 .platform_data          = &musb_plat,
 264         },
 265         .num_resources  = ARRAY_SIZE(musb_resources),
 266         .resource       = musb_resources,
 267 };
 268 #endif
 269
 270 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 271 static struct resource bfin_atapi_resources[] = {
 272         {
 273                 .start = 0xFFC03800,
 274                 .end = 0xFFC0386F,
 275                 .flags = IORESOURCE_MEM,
 276         },
 277         {
 278                 .start = IRQ_ATAPI_ERR,
 279                 .end = IRQ_ATAPI_ERR,
 280                 .flags = IORESOURCE_IRQ,
 281         },
 282 };
 283
 284 static struct platform_device bfin_atapi_device = {
 285         .name = "pata-bf54x",
 286         .id = -1,
 287         .num_resources = ARRAY_SIZE(bfin_atapi_resources),
 288         .resource = bfin_atapi_resources,
 289 };
 290 #endif
 291
 292 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 293 static struct mtd_partition partition_info[] = {
 294         {
 295                 .name = "Linux Kernel",
 296                 .offset = 0,
 297                 .size = 4 * SIZE_1M,
 298         },
 299         {
 300                 .name = "File System",
 301                 .offset = 4 * SIZE_1M,
 302                 .size = (256 - 4) * SIZE_1M,
 303         },
 304 };
 305
 306 static struct bf5xx_nand_platform bf5xx_nand_platform = {
 307         .page_size = NFC_PG_SIZE_256,
 308         .data_width = NFC_NWIDTH_8,
 309         .partitions = partition_info,
 310         .nr_partitions = ARRAY_SIZE(partition_info),
 311         .rd_dly = 3,
 312         .wr_dly = 3,
 313 };
 314
 315 static struct resource bf5xx_nand_resources[] = {
 316         {
 317                 .start = 0xFFC03B00,
 318                 .end = 0xFFC03B4F,
 319                 .flags = IORESOURCE_MEM,
 320         },
 321         {
 322                 .start = CH_NFC,
 323                 .end = CH_NFC,
 324                 .flags = IORESOURCE_IRQ,
 325         },
 326 };
 327
 328 static struct platform_device bf5xx_nand_device = {
 329         .name = "bf5xx-nand",
 330         .id = 0,
 331         .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
 332         .resource = bf5xx_nand_resources,
 333         .dev = {
 334                 .platform_data = &bf5xx_nand_platform,
 335         },
 336 };
 337 #endif
 338
 339 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
 340 static struct platform_device bf54x_sdh_device = {
 341         .name = "bfin-sdh",
 342         .id = 0,
 343 };
 344 #endif
 345
 346 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 347 /* all SPI peripherals info goes here */
 348 #if defined(CONFIG_MTD_M25P80) \
 349         || defined(CONFIG_MTD_M25P80_MODULE)
 350 /* SPI flash chip (m25p16) */
 351 static struct mtd_partition bfin_spi_flash_partitions[] = {
 352         {
 353                 .name = "bootloader",
 354                 .size = 0x00040000,
 355                 .offset = 0,
 356                 .mask_flags = MTD_CAP_ROM
 357         }, {
 358                 .name = "linux kernel",
 359                 .size = 0x1c0000,
 360                 .offset = 0x40000
 361         }
 362 };
 363
 364 static struct flash_platform_data bfin_spi_flash_data = {
 365         .name = "m25p80",
 366         .parts = bfin_spi_flash_partitions,
 367         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 368         .type = "m25p16",
 369 };
 370
 371 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 372         .enable_dma = 0,         /* use dma transfer with this chip*/
 373         .bits_per_word = 8,
 374         .cs_change_per_word = 0,
 375 };
 376 #endif
 377
 378 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 379 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 380         .cs_change_per_word = 1,
 381         .enable_dma = 0,
 382         .bits_per_word = 16,
 383 };
 384
 385 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 386         .model                  = 7877,
 387         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 388         .x_plate_ohms           = 419,
 389         .y_plate_ohms           = 486,
 390         .pressure_max           = 1000,
 391         .pressure_min           = 0,
 392         .stopacq_polarity       = 1,
 393         .first_conversion_delay = 3,
 394         .acquisition_time       = 1,
 395         .averaging              = 1,
 396         .pen_down_acc_interval  = 1,
 397 };
 398 #endif
 399
 400 static struct spi_board_info bf54x_spi_board_info[] __initdata = {
 401 #if defined(CONFIG_MTD_M25P80) \
 402         || defined(CONFIG_MTD_M25P80_MODULE)
 403         {
 404                 /* the modalias must be the same as spi device driver name */
 405                 .modalias = "m25p80", /* Name of spi_driver for this device */
 406                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 407                 .bus_num = 0, /* Framework bus number */
 408                 .chip_select = 1, /* SPI_SSEL1*/
 409                 .platform_data = &bfin_spi_flash_data,
 410                 .controller_data = &spi_flash_chip_info,
 411                 .mode = SPI_MODE_3,
 412         },
 413 #endif
 414 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 415 {
 416         .modalias               = "ad7877",
 417         .platform_data          = &bfin_ad7877_ts_info,
 418         .irq                    = IRQ_PJ11,
 419         .max_speed_hz           = 12500000,     /* max spi clock (SCK) speed in HZ */
 420         .bus_num                = 0,
 421         .chip_select            = 2,
 422         .controller_data = &spi_ad7877_chip_info,
 423 },
 424 #endif
 425 };
 426
 427 /* SPI (0) */
 428 static struct resource bfin_spi0_resource[] = {
 429         [0] = {
 430                 .start = SPI0_REGBASE,
 431                 .end   = SPI0_REGBASE + 0xFF,
 432                 .flags = IORESOURCE_MEM,
 433         },
 434         [1] = {
 435                 .start = CH_SPI0,
 436                 .end   = CH_SPI0,
 437                 .flags = IORESOURCE_IRQ,
 438         }
 439 };
 440
 441 /* SPI (1) */
 442 static struct resource bfin_spi1_resource[] = {
 443         [0] = {
 444                 .start = SPI1_REGBASE,
 445                 .end   = SPI1_REGBASE + 0xFF,
 446                 .flags = IORESOURCE_MEM,
 447         },
 448         [1] = {
 449                 .start = CH_SPI1,
 450                 .end   = CH_SPI1,
 451                 .flags = IORESOURCE_IRQ,
 452         }
 453 };
 454
 455 /* SPI controller data */
 456 static struct bfin5xx_spi_master bf54x_spi_master_info = {
 457         .num_chipselect = 8,
 458         .enable_dma = 1,  /* master has the ability to do dma transfer */
 459 };
 460
 461 static struct platform_device bf54x_spi_master0 = {
 462         .name = "bfin-spi",
 463         .id = 0, /* Bus number */
 464         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 465         .resource = bfin_spi0_resource,
 466         .dev = {
 467                 .platform_data = &bf54x_spi_master_info, /* Passed to driver */
 468                 },
 469 };
 470
 471 static struct platform_device bf54x_spi_master1 = {
 472         .name = "bfin-spi",
 473         .id = 1, /* Bus number */
 474         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
 475         .resource = bfin_spi1_resource,
 476         .dev = {
 477                 .platform_data = &bf54x_spi_master_info, /* Passed to driver */
 478                 },
 479 };
 480 #endif  /* spi master and devices */
 481
 482 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 483 static struct resource bfin_twi0_resource[] = {
 484         [0] = {
 485                 .start = TWI0_REGBASE,
 486                 .end   = TWI0_REGBASE + 0xFF,
 487                 .flags = IORESOURCE_MEM,
 488         },
 489         [1] = {
 490                 .start = IRQ_TWI0,
 491                 .end   = IRQ_TWI0,
 492                 .flags = IORESOURCE_IRQ,
 493         },
 494 };
 495
 496 static struct platform_device i2c_bfin_twi0_device = {
 497         .name = "i2c-bfin-twi",
 498         .id = 0,
 499         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 500         .resource = bfin_twi0_resource,
 501 };
 502
 503 static struct resource bfin_twi1_resource[] = {
 504         [0] = {
 505                 .start = TWI1_REGBASE,
 506                 .end   = TWI1_REGBASE + 0xFF,
 507                 .flags = IORESOURCE_MEM,
 508         },
 509         [1] = {
 510                 .start = IRQ_TWI1,
 511                 .end   = IRQ_TWI1,
 512                 .flags = IORESOURCE_IRQ,
 513         },
 514 };
 515
 516 static struct platform_device i2c_bfin_twi1_device = {
 517         .name = "i2c-bfin-twi",
 518         .id = 1,
 519         .num_resources = ARRAY_SIZE(bfin_twi1_resource),
 520         .resource = bfin_twi1_resource,
 521 };
 522 #endif
 523
 524 static struct platform_device *ezkit_devices[] __initdata = {
 525 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 526         &rtc_device,
 527 #endif
 528
 529 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 530         &bfin_uart_device,
 531 #endif
 532
 533 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
 534         &bf54x_lq043_device,
 535 #endif
 536
 537 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 538         &smsc911x_device,
 539 #endif
 540
 541 #if defined(CONFIG_USB_BF54x_HCD) || defined(CONFIG_USB_BF54x_HCD_MODULE)
 542         &bf54x_hcd,
 543 #endif
 544
 545 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 546         &musb_device,
 547 #endif
 548
 549 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 550         &bfin_atapi_device,
 551 #endif
 552
 553 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 554         &bf5xx_nand_device,
 555 #endif
 556
 557 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
 558         &bf54x_sdh_device,
 559 #endif
 560
 561 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 562         &bf54x_spi_master0,
 563         &bf54x_spi_master1,
 564 #endif
 565
 566 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
 567         &bf54x_kpad_device,
 568 #endif
 569
 570 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 571         &i2c_bfin_twi0_device,
 572         &i2c_bfin_twi1_device,
 573 #endif
 574 };
 575
 576 static int __init stamp_init(void)
 577 {
 578         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 579         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 580
 581 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 582         spi_register_board_info(bf54x_spi_board_info,
 583                         ARRAY_SIZE(bf54x_spi_board_info));
 584 #endif
 585
 586         return 0;
 587 }
 588
 589 arch_initcall(stamp_init);