SAFE public projects git trees. - safe/jmp/linux-2.6/blob - arch/blackfin/mach-bf561/boards/ezkit.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/irq.h>
  16 #include <linux/interrupt.h>
  17 #include <asm/dma.h>
  18 #include <asm/bfin5xx_spi.h>
  19 #include <asm/portmux.h>
  20 #include <asm/dpmc.h>
  21
  22 /*
  23  * Name the Board for the /proc/cpuinfo
  24  */
  25 const char bfin_board_name[] = "ADI BF561-EZKIT";
  26
  27 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  28 #include <linux/usb/isp1760.h>
  29 static struct resource bfin_isp1760_resources[] = {
  30         [0] = {
  31                 .start  = 0x2C0F0000,
  32                 .end    = 0x203C0000 + 0xfffff,
  33                 .flags  = IORESOURCE_MEM,
  34         },
  35         [1] = {
  36                 .start  = IRQ_PF10,
  37                 .end    = IRQ_PF10,
  38                 .flags  = IORESOURCE_IRQ,
  39         },
  40 };
  41
  42 static struct isp1760_platform_data isp1760_priv = {
  43         .is_isp1761 = 0,
  44         .bus_width_16 = 1,
  45         .port1_otg = 0,
  46         .analog_oc = 0,
  47         .dack_polarity_high = 0,
  48         .dreq_polarity_high = 0,
  49 };
  50
  51 static struct platform_device bfin_isp1760_device = {
  52         .name           = "isp1760-hcd",
  53         .id             = 0,
  54         .dev = {
  55                 .platform_data = &isp1760_priv,
  56         },
  57         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  58         .resource       = bfin_isp1760_resources,
  59 };
  60 #endif
  61
  62 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  63 #include <linux/usb/isp1362.h>
  64
  65 static struct resource isp1362_hcd_resources[] = {
  66         {
  67                 .start = 0x2c060000,
  68                 .end = 0x2c060000,
  69                 .flags = IORESOURCE_MEM,
  70         }, {
  71                 .start = 0x2c060004,
  72                 .end = 0x2c060004,
  73                 .flags = IORESOURCE_MEM,
  74         }, {
  75                 .start = IRQ_PF8,
  76                 .end = IRQ_PF8,
  77                 .flags = IORESOURCE_IRQ,
  78         },
  79 };
  80
  81 static struct isp1362_platform_data isp1362_priv = {
  82         .sel15Kres = 1,
  83         .clknotstop = 0,
  84         .oc_enable = 0,
  85         .int_act_high = 0,
  86         .int_edge_triggered = 0,
  87         .remote_wakeup_connected = 0,
  88         .no_power_switching = 1,
  89         .power_switching_mode = 0,
  90 };
  91
  92 static struct platform_device isp1362_hcd_device = {
  93         .name = "isp1362-hcd",
  94         .id = 0,
  95         .dev = {
  96                 .platform_data = &isp1362_priv,
  97         },
  98         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
  99         .resource = isp1362_hcd_resources,
 100 };
 101 #endif
 102
 103 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 104 static struct resource net2272_bfin_resources[] = {
 105         {
 106                 .start = 0x2C000000,
 107                 .end = 0x2C000000 + 0x7F,
 108                 .flags = IORESOURCE_MEM,
 109         }, {
 110                 .start = IRQ_PF10,
 111                 .end = IRQ_PF10,
 112                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 113         },
 114 };
 115
 116 static struct platform_device net2272_bfin_device = {
 117         .name = "net2272",
 118         .id = -1,
 119         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 120         .resource = net2272_bfin_resources,
 121 };
 122 #endif
 123
 124 /*
 125  *  USB-LAN EzExtender board
 126  *  Driver needs to know address, irq and flag pin.
 127  */
 128 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 129 #include <linux/smc91x.h>
 130
 131 static struct smc91x_platdata smc91x_info = {
 132         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
 133         .leda = RPC_LED_100_10,
 134         .ledb = RPC_LED_TX_RX,
 135 };
 136
 137 static struct resource smc91x_resources[] = {
 138         {
 139                 .name = "smc91x-regs",
 140                 .start = 0x2C010300,
 141                 .end = 0x2C010300 + 16,
 142                 .flags = IORESOURCE_MEM,
 143         }, {
 144
 145                 .start = IRQ_PF9,
 146                 .end = IRQ_PF9,
 147                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 148         },
 149 };
 150
 151 static struct platform_device smc91x_device = {
 152         .name = "smc91x",
 153         .id = 0,
 154         .num_resources = ARRAY_SIZE(smc91x_resources),
 155         .resource = smc91x_resources,
 156         .dev    = {
 157                 .platform_data  = &smc91x_info,
 158         },
 159 };
 160 #endif
 161
 162 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 163 static struct resource ax88180_resources[] = {
 164         [0] = {
 165                 .start  = 0x2c000000,
 166                 .end    = 0x2c000000 + 0x8000,
 167                 .flags  = IORESOURCE_MEM,
 168         },
 169         [1] = {
 170                 .start  = IRQ_PF10,
 171                 .end    = IRQ_PF10,
 172                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 173         },
 174 };
 175
 176 static struct platform_device ax88180_device = {
 177         .name           = "ax88180",
 178         .id             = -1,
 179         .num_resources  = ARRAY_SIZE(ax88180_resources),
 180         .resource       = ax88180_resources,
 181 };
 182 #endif
 183
 184 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 185 static struct resource bfin_uart_resources[] = {
 186         {
 187                 .start = 0xFFC00400,
 188                 .end = 0xFFC004FF,
 189                 .flags = IORESOURCE_MEM,
 190         },
 191 };
 192
 193 static struct platform_device bfin_uart_device = {
 194         .name = "bfin-uart",
 195         .id = 1,
 196         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 197         .resource = bfin_uart_resources,
 198 };
 199 #endif
 200
 201 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 202 #ifdef CONFIG_BFIN_SIR0
 203 static struct resource bfin_sir0_resources[] = {
 204         {
 205                 .start = 0xFFC00400,
 206                 .end = 0xFFC004FF,
 207                 .flags = IORESOURCE_MEM,
 208         },
 209         {
 210                 .start = IRQ_UART0_RX,
 211                 .end = IRQ_UART0_RX+1,
 212                 .flags = IORESOURCE_IRQ,
 213         },
 214         {
 215                 .start = CH_UART0_RX,
 216                 .end = CH_UART0_RX+1,
 217                 .flags = IORESOURCE_DMA,
 218         },
 219 };
 220
 221 static struct platform_device bfin_sir0_device = {
 222         .name = "bfin_sir",
 223         .id = 0,
 224         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 225         .resource = bfin_sir0_resources,
 226 };
 227 #endif
 228 #endif
 229
 230 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 231 static struct mtd_partition ezkit_partitions[] = {
 232         {
 233                 .name       = "bootloader(nor)",
 234                 .size       = 0x40000,
 235                 .offset     = 0,
 236         }, {
 237                 .name       = "linux kernel(nor)",
 238                 .size       = 0x1C0000,
 239                 .offset     = MTDPART_OFS_APPEND,
 240         }, {
 241                 .name       = "file system(nor)",
 242                 .size       = MTDPART_SIZ_FULL,
 243                 .offset     = MTDPART_OFS_APPEND,
 244         }
 245 };
 246
 247 static struct physmap_flash_data ezkit_flash_data = {
 248         .width      = 2,
 249         .parts      = ezkit_partitions,
 250         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 251 };
 252
 253 static struct resource ezkit_flash_resource = {
 254         .start = 0x20000000,
 255         .end   = 0x207fffff,
 256         .flags = IORESOURCE_MEM,
 257 };
 258
 259 static struct platform_device ezkit_flash_device = {
 260         .name          = "physmap-flash",
 261         .id            = 0,
 262         .dev = {
 263                 .platform_data = &ezkit_flash_data,
 264         },
 265         .num_resources = 1,
 266         .resource      = &ezkit_flash_resource,
 267 };
 268 #endif
 269
 270 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 271         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 272 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 273         .enable_dma = 0,
 274         .bits_per_word = 16,
 275 };
 276 #endif
 277
 278 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 279 static struct bfin5xx_spi_chip spidev_chip_info = {
 280         .enable_dma = 0,
 281         .bits_per_word = 8,
 282 };
 283 #endif
 284
 285 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 286 /* SPI (0) */
 287 static struct resource bfin_spi0_resource[] = {
 288         [0] = {
 289                 .start = SPI0_REGBASE,
 290                 .end   = SPI0_REGBASE + 0xFF,
 291                 .flags = IORESOURCE_MEM,
 292         },
 293         [1] = {
 294                 .start = CH_SPI,
 295                 .end   = CH_SPI,
 296                 .flags = IORESOURCE_DMA,
 297         },
 298         [2] = {
 299                 .start = IRQ_SPI,
 300                 .end   = IRQ_SPI,
 301                 .flags = IORESOURCE_IRQ,
 302         }
 303 };
 304
 305 /* SPI controller data */
 306 static struct bfin5xx_spi_master bfin_spi0_info = {
 307         .num_chipselect = 8,
 308         .enable_dma = 1,  /* master has the ability to do dma transfer */
 309         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 310 };
 311
 312 static struct platform_device bfin_spi0_device = {
 313         .name = "bfin-spi",
 314         .id = 0, /* Bus number */
 315         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 316         .resource = bfin_spi0_resource,
 317         .dev = {
 318                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 319         },
 320 };
 321 #endif
 322
 323 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 324 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 325         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 326         {
 327                 .modalias = "ad1836",
 328                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 329                 .bus_num = 0,
 330                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 331                 .controller_data = &ad1836_spi_chip_info,
 332         },
 333 #endif
 334 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 335         {
 336                 .modalias = "spidev",
 337                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 338                 .bus_num = 0,
 339                 .chip_select = 1,
 340                 .controller_data = &spidev_chip_info,
 341         },
 342 #endif
 343 };
 344
 345 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 346 #include <linux/input.h>
 347 #include <linux/gpio_keys.h>
 348
 349 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 350         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 351         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 352         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 353         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 354 };
 355
 356 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 357         .buttons        = bfin_gpio_keys_table,
 358         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 359 };
 360
 361 static struct platform_device bfin_device_gpiokeys = {
 362         .name      = "gpio-keys",
 363         .dev = {
 364                 .platform_data = &bfin_gpio_keys_data,
 365         },
 366 };
 367 #endif
 368
 369 static struct resource bfin_gpios_resources = {
 370         .start = 0,
 371         .end   = MAX_BLACKFIN_GPIOS - 1,
 372         .flags = IORESOURCE_IRQ,
 373 };
 374
 375 static struct platform_device bfin_gpios_device = {
 376         .name = "simple-gpio",
 377         .id = -1,
 378         .num_resources = 1,
 379         .resource = &bfin_gpios_resources,
 380 };
 381
 382 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 383 #include <linux/i2c-gpio.h>
 384
 385 static struct i2c_gpio_platform_data i2c_gpio_data = {
 386         .sda_pin                = 1,
 387         .scl_pin                = 0,
 388         .sda_is_open_drain      = 0,
 389         .scl_is_open_drain      = 0,
 390         .udelay                 = 40,
 391 };
 392
 393 static struct platform_device i2c_gpio_device = {
 394         .name           = "i2c-gpio",
 395         .id             = 0,
 396         .dev            = {
 397                 .platform_data  = &i2c_gpio_data,
 398         },
 399 };
 400 #endif
 401
 402 static const unsigned int cclk_vlev_datasheet[] =
 403 {
 404         VRPAIR(VLEV_085, 250000000),
 405         VRPAIR(VLEV_090, 300000000),
 406         VRPAIR(VLEV_095, 313000000),
 407         VRPAIR(VLEV_100, 350000000),
 408         VRPAIR(VLEV_105, 400000000),
 409         VRPAIR(VLEV_110, 444000000),
 410         VRPAIR(VLEV_115, 450000000),
 411         VRPAIR(VLEV_120, 475000000),
 412         VRPAIR(VLEV_125, 500000000),
 413         VRPAIR(VLEV_130, 600000000),
 414 };
 415
 416 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 417         .tuple_tab = cclk_vlev_datasheet,
 418         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 419         .vr_settling_time = 25 /* us */,
 420 };
 421
 422 static struct platform_device bfin_dpmc = {
 423         .name = "bfin dpmc",
 424         .dev = {
 425                 .platform_data = &bfin_dmpc_vreg_data,
 426         },
 427 };
 428
 429 static struct platform_device *ezkit_devices[] __initdata = {
 430
 431         &bfin_dpmc,
 432
 433 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 434         &smc91x_device,
 435 #endif
 436
 437 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 438         &ax88180_device,
 439 #endif
 440
 441 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 442         &net2272_bfin_device,
 443 #endif
 444
 445 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 446         &bfin_isp1760_device,
 447 #endif
 448
 449 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 450         &bfin_spi0_device,
 451 #endif
 452
 453 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 454         &bfin_uart_device,
 455 #endif
 456
 457 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 458 #ifdef CONFIG_BFIN_SIR0
 459         &bfin_sir0_device,
 460 #endif
 461 #endif
 462
 463 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 464         &bfin_device_gpiokeys,
 465 #endif
 466
 467 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 468         &i2c_gpio_device,
 469 #endif
 470
 471 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 472         &isp1362_hcd_device,
 473 #endif
 474
 475         &bfin_gpios_device,
 476
 477 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 478         &ezkit_flash_device,
 479 #endif
 480 };
 481
 482 static int __init ezkit_init(void)
 483 {
 484         int ret;
 485
 486         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 487
 488         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 489         if (ret < 0)
 490                 return ret;
 491
 492 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 493         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 494         SSYNC();
 495 #endif
 496
 497         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 498         return 0;
 499 }
 500
 501 arch_initcall(ezkit_init);