arch/blackfin/mach-bf561/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf561/ezkit.c
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/device.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/mtd/mtd.h>
  33 #include <linux/mtd/partitions.h>
  34 #include <linux/mtd/physmap.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/irq.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/ata_platform.h>
  39 #include <asm/dma.h>
  40 #include <asm/bfin5xx_spi.h>
  41 #include <asm/portmux.h>
  42
  43 /*
  44  * Name the Board for the /proc/cpuinfo
  45  */
  46 const char bfin_board_name[] = "ADDS-BF561-EZKIT";
  47
  48 #define ISP1761_BASE       0x2C0F0000
  49 #define ISP1761_IRQ        IRQ_PF10
  50
  51 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  52 static struct resource bfin_isp1761_resources[] = {
  53         {
  54                 .name   = "isp1761-regs",
  55                 .start  = ISP1761_BASE + 0x00000000,
  56                 .end    = ISP1761_BASE + 0x000fffff,
  57                 .flags  = IORESOURCE_MEM,
  58         },
  59         {
  60                 .start  = ISP1761_IRQ,
  61                 .end    = ISP1761_IRQ,
  62                 .flags  = IORESOURCE_IRQ,
  63         },
  64 };
  65
  66 static struct platform_device bfin_isp1761_device = {
  67         .name           = "isp1761",
  68         .id             = 0,
  69         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  70         .resource       = bfin_isp1761_resources,
  71 };
  72
  73 static struct platform_device *bfin_isp1761_devices[] = {
  74         &bfin_isp1761_device,
  75 };
  76
  77 int __init bfin_isp1761_init(void)
  78 {
  79         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
  80
  81         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
  82         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  83
  84         return platform_add_devices(bfin_isp1761_devices, num_devices);
  85 }
  86
  87 void __exit bfin_isp1761_exit(void)
  88 {
  89         platform_device_unregister(&bfin_isp1761_device);
  90 }
  91
  92 arch_initcall(bfin_isp1761_init);
  93 #endif
  94
  95 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  96 #include <linux/usb/isp1362.h>
  97
  98 static struct resource isp1362_hcd_resources[] = {
  99         {
 100                 .start = 0x2c060000,
 101                 .end = 0x2c060000,
 102                 .flags = IORESOURCE_MEM,
 103         }, {
 104                 .start = 0x2c060004,
 105                 .end = 0x2c060004,
 106                 .flags = IORESOURCE_MEM,
 107         }, {
 108                 .start = IRQ_PF8,
 109                 .end = IRQ_PF8,
 110                 .flags = IORESOURCE_IRQ,
 111         },
 112 };
 113
 114 static struct isp1362_platform_data isp1362_priv = {
 115         .sel15Kres = 1,
 116         .clknotstop = 0,
 117         .oc_enable = 0,
 118         .int_act_high = 0,
 119         .int_edge_triggered = 0,
 120         .remote_wakeup_connected = 0,
 121         .no_power_switching = 1,
 122         .power_switching_mode = 0,
 123 };
 124
 125 static struct platform_device isp1362_hcd_device = {
 126         .name = "isp1362-hcd",
 127         .id = 0,
 128         .dev = {
 129                 .platform_data = &isp1362_priv,
 130         },
 131         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 132         .resource = isp1362_hcd_resources,
 133 };
 134 #endif
 135
 136 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 137 static struct resource net2272_bfin_resources[] = {
 138         {
 139                 .start = 0x2C000000,
 140                 .end = 0x2C000000 + 0x7F,
 141                 .flags = IORESOURCE_MEM,
 142         }, {
 143                 .start = IRQ_PF10,
 144                 .end = IRQ_PF10,
 145                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 146         },
 147 };
 148
 149 static struct platform_device net2272_bfin_device = {
 150         .name = "net2272",
 151         .id = -1,
 152         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 153         .resource = net2272_bfin_resources,
 154 };
 155 #endif
 156
 157 /*
 158  *  USB-LAN EzExtender board
 159  *  Driver needs to know address, irq and flag pin.
 160  */
 161 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 162 static struct resource smc91x_resources[] = {
 163         {
 164                 .name = "smc91x-regs",
 165                 .start = 0x2C010300,
 166                 .end = 0x2C010300 + 16,
 167                 .flags = IORESOURCE_MEM,
 168         }, {
 169
 170                 .start = IRQ_PF9,
 171                 .end = IRQ_PF9,
 172                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 173         },
 174 };
 175
 176 static struct platform_device smc91x_device = {
 177         .name = "smc91x",
 178         .id = 0,
 179         .num_resources = ARRAY_SIZE(smc91x_resources),
 180         .resource = smc91x_resources,
 181 };
 182 #endif
 183
 184 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 185 static struct resource ax88180_resources[] = {
 186         [0] = {
 187                 .start  = 0x2c000000,
 188                 .end    = 0x2c000000 + 0x8000,
 189                 .flags  = IORESOURCE_MEM,
 190         },
 191         [1] = {
 192                 .start  = IRQ_PF10,
 193                 .end    = IRQ_PF10,
 194                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 195         },
 196 };
 197
 198 static struct platform_device ax88180_device = {
 199         .name           = "ax88180",
 200         .id             = -1,
 201         .num_resources  = ARRAY_SIZE(ax88180_resources),
 202         .resource       = ax88180_resources,
 203 };
 204 #endif
 205
 206 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 207 static struct resource bfin_uart_resources[] = {
 208         {
 209                 .start = 0xFFC00400,
 210                 .end = 0xFFC004FF,
 211                 .flags = IORESOURCE_MEM,
 212         },
 213 };
 214
 215 static struct platform_device bfin_uart_device = {
 216         .name = "bfin-uart",
 217         .id = 1,
 218         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 219         .resource = bfin_uart_resources,
 220 };
 221 #endif
 222
 223 static struct mtd_partition ezkit_partitions[] = {
 224         {
 225                 .name       = "Bootloader",
 226                 .size       = 0x40000,
 227                 .offset     = 0,
 228         }, {
 229                 .name       = "Kernel",
 230                 .size       = 0xE0000,
 231                 .offset     = MTDPART_OFS_APPEND,
 232         }, {
 233                 .name       = "RootFS",
 234                 .size       = MTDPART_SIZ_FULL,
 235                 .offset     = MTDPART_OFS_APPEND,
 236         }
 237 };
 238
 239 static struct physmap_flash_data ezkit_flash_data = {
 240         .width      = 2,
 241         .parts      = ezkit_partitions,
 242         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 243 };
 244
 245 static struct resource ezkit_flash_resource = {
 246         .start = 0x20000000,
 247         .end   = 0x207fffff,
 248         .flags = IORESOURCE_MEM,
 249 };
 250
 251 static struct platform_device ezkit_flash_device = {
 252         .name          = "physmap-flash",
 253         .id            = 0,
 254         .dev = {
 255                 .platform_data = &ezkit_flash_data,
 256         },
 257         .num_resources = 1,
 258         .resource      = &ezkit_flash_resource,
 259 };
 260
 261 #ifdef CONFIG_SPI_BFIN
 262 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 263         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 264 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 265         .enable_dma = 0,
 266         .bits_per_word = 16,
 267 };
 268 #endif
 269
 270 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 271 static struct bfin5xx_spi_chip spidev_chip_info = {
 272         .enable_dma = 0,
 273         .bits_per_word = 8,
 274 };
 275 #endif
 276 #endif
 277
 278 /* SPI (0) */
 279 static struct resource bfin_spi0_resource[] = {
 280         [0] = {
 281                 .start = SPI0_REGBASE,
 282                 .end   = SPI0_REGBASE + 0xFF,
 283                 .flags = IORESOURCE_MEM,
 284         },
 285         [1] = {
 286                 .start = CH_SPI,
 287                 .end   = CH_SPI,
 288                 .flags = IORESOURCE_IRQ,
 289         }
 290 };
 291
 292 /* SPI controller data */
 293 static struct bfin5xx_spi_master bfin_spi0_info = {
 294         .num_chipselect = 8,
 295         .enable_dma = 1,  /* master has the ability to do dma transfer */
 296         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 297 };
 298
 299 static struct platform_device bfin_spi0_device = {
 300         .name = "bfin-spi",
 301         .id = 0, /* Bus number */
 302         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 303         .resource = bfin_spi0_resource,
 304         .dev = {
 305                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 306         },
 307 };
 308
 309 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 310 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 311         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 312         {
 313                 .modalias = "ad1836-spi",
 314                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 315                 .bus_num = 0,
 316                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 317                 .controller_data = &ad1836_spi_chip_info,
 318         },
 319 #endif
 320 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 321         {
 322                 .modalias = "spidev",
 323                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 324                 .bus_num = 0,
 325                 .chip_select = 1,
 326                 .controller_data = &spidev_chip_info,
 327         },
 328 #endif
 329 };
 330
 331 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 332 #define PATA_INT        55
 333
 334 static struct pata_platform_info bfin_pata_platform_data = {
 335         .ioport_shift = 1,
 336         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 337 };
 338
 339 static struct resource bfin_pata_resources[] = {
 340         {
 341                 .start = 0x20314020,
 342                 .end = 0x2031403F,
 343                 .flags = IORESOURCE_MEM,
 344         },
 345         {
 346                 .start = 0x2031401C,
 347                 .end = 0x2031401F,
 348                 .flags = IORESOURCE_MEM,
 349         },
 350         {
 351                 .start = PATA_INT,
 352                 .end = PATA_INT,
 353                 .flags = IORESOURCE_IRQ,
 354         },
 355 };
 356
 357 static struct platform_device bfin_pata_device = {
 358         .name = "pata_platform",
 359         .id = -1,
 360         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 361         .resource = bfin_pata_resources,
 362         .dev = {
 363                 .platform_data = &bfin_pata_platform_data,
 364         }
 365 };
 366 #endif
 367
 368 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 369 #include <linux/input.h>
 370 #include <linux/gpio_keys.h>
 371
 372 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 373         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 374         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 375         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 376         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 377 };
 378
 379 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 380         .buttons        = bfin_gpio_keys_table,
 381         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 382 };
 383
 384 static struct platform_device bfin_device_gpiokeys = {
 385         .name      = "gpio-keys",
 386         .dev = {
 387                 .platform_data = &bfin_gpio_keys_data,
 388         },
 389 };
 390 #endif
 391
 392 static struct resource bfin_gpios_resources = {
 393         .start = 0,
 394         .end   = MAX_BLACKFIN_GPIOS - 1,
 395         .flags = IORESOURCE_IRQ,
 396 };
 397
 398 static struct platform_device bfin_gpios_device = {
 399         .name = "simple-gpio",
 400         .id = -1,
 401         .num_resources = 1,
 402         .resource = &bfin_gpios_resources,
 403 };
 404
 405 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 406 #include <linux/i2c-gpio.h>
 407
 408 static struct i2c_gpio_platform_data i2c_gpio_data = {
 409         .sda_pin                = 1,
 410         .scl_pin                = 0,
 411         .sda_is_open_drain      = 0,
 412         .scl_is_open_drain      = 0,
 413         .udelay                 = 40,
 414 };
 415
 416 static struct platform_device i2c_gpio_device = {
 417         .name           = "i2c-gpio",
 418         .id             = 0,
 419         .dev            = {
 420                 .platform_data  = &i2c_gpio_data,
 421         },
 422 };
 423 #endif
 424
 425 static struct platform_device *ezkit_devices[] __initdata = {
 426 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 427         &smc91x_device,
 428 #endif
 429
 430 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 431         &ax88180_device,
 432 #endif
 433
 434 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 435         &net2272_bfin_device,
 436 #endif
 437
 438 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 439         &bfin_spi0_device,
 440 #endif
 441
 442 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 443         &bfin_uart_device,
 444 #endif
 445
 446 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 447         &bfin_pata_device,
 448 #endif
 449
 450 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 451         &bfin_device_gpiokeys,
 452 #endif
 453
 454 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 455         &i2c_gpio_device,
 456 #endif
 457
 458 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 459         &isp1362_hcd_device,
 460 #endif
 461
 462         &bfin_gpios_device,
 463         &ezkit_flash_device,
 464 };
 465
 466 static int __init ezkit_init(void)
 467 {
 468         int ret;
 469
 470         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 471
 472         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 473         if (ret < 0)
 474                 return ret;
 475
 476 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 477         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 478         SSYNC();
 479 #endif
 480
 481 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 482         spi_register_board_info(bfin_spi_board_info,
 483                                 ARRAY_SIZE(bfin_spi_board_info));
 484 #endif
 485
 486 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 487         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 488 #endif
 489         return 0;
 490 }
 491
 492 arch_initcall(ezkit_init);