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   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 <asm/dma.h>
  39 #include <asm/bfin5xx_spi.h>
  40 #include <asm/portmux.h>
  41 #include <asm/dpmc.h>
  42
  43 /*
  44  * Name the Board for the /proc/cpuinfo
  45  */
  46 const char bfin_board_name[] = "ADI BF561-EZKIT";
  47
  48 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  49 #include <linux/usb/isp1760.h>
  50 static struct resource bfin_isp1760_resources[] = {
  51         [0] = {
  52                 .start  = 0x2C0F0000,
  53                 .end    = 0x203C0000 + 0xfffff,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [1] = {
  57                 .start  = IRQ_PF10,
  58                 .end    = IRQ_PF10,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct isp1760_platform_data isp1760_priv = {
  64         .is_isp1761 = 0,
  65         .port1_disable = 0,
  66         .bus_width_16 = 1,
  67         .port1_otg = 0,
  68         .analog_oc = 0,
  69         .dack_polarity_high = 0,
  70         .dreq_polarity_high = 0,
  71 };
  72
  73 static struct platform_device bfin_isp1760_device = {
  74         .name           = "isp1760-hcd",
  75         .id             = 0,
  76         .dev = {
  77                 .platform_data = &isp1760_priv,
  78         },
  79         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  80         .resource       = bfin_isp1760_resources,
  81 };
  82 #endif
  83
  84 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  85 #include <linux/usb/isp1362.h>
  86
  87 static struct resource isp1362_hcd_resources[] = {
  88         {
  89                 .start = 0x2c060000,
  90                 .end = 0x2c060000,
  91                 .flags = IORESOURCE_MEM,
  92         }, {
  93                 .start = 0x2c060004,
  94                 .end = 0x2c060004,
  95                 .flags = IORESOURCE_MEM,
  96         }, {
  97                 .start = IRQ_PF8,
  98                 .end = IRQ_PF8,
  99                 .flags = IORESOURCE_IRQ,
 100         },
 101 };
 102
 103 static struct isp1362_platform_data isp1362_priv = {
 104         .sel15Kres = 1,
 105         .clknotstop = 0,
 106         .oc_enable = 0,
 107         .int_act_high = 0,
 108         .int_edge_triggered = 0,
 109         .remote_wakeup_connected = 0,
 110         .no_power_switching = 1,
 111         .power_switching_mode = 0,
 112 };
 113
 114 static struct platform_device isp1362_hcd_device = {
 115         .name = "isp1362-hcd",
 116         .id = 0,
 117         .dev = {
 118                 .platform_data = &isp1362_priv,
 119         },
 120         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 121         .resource = isp1362_hcd_resources,
 122 };
 123 #endif
 124
 125 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 126 static struct resource net2272_bfin_resources[] = {
 127         {
 128                 .start = 0x2C000000,
 129                 .end = 0x2C000000 + 0x7F,
 130                 .flags = IORESOURCE_MEM,
 131         }, {
 132                 .start = IRQ_PF10,
 133                 .end = IRQ_PF10,
 134                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 135         },
 136 };
 137
 138 static struct platform_device net2272_bfin_device = {
 139         .name = "net2272",
 140         .id = -1,
 141         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 142         .resource = net2272_bfin_resources,
 143 };
 144 #endif
 145
 146 /*
 147  *  USB-LAN EzExtender board
 148  *  Driver needs to know address, irq and flag pin.
 149  */
 150 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 151 static struct resource smc91x_resources[] = {
 152         {
 153                 .name = "smc91x-regs",
 154                 .start = 0x2C010300,
 155                 .end = 0x2C010300 + 16,
 156                 .flags = IORESOURCE_MEM,
 157         }, {
 158
 159                 .start = IRQ_PF9,
 160                 .end = IRQ_PF9,
 161                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 162         },
 163 };
 164
 165 static struct platform_device smc91x_device = {
 166         .name = "smc91x",
 167         .id = 0,
 168         .num_resources = ARRAY_SIZE(smc91x_resources),
 169         .resource = smc91x_resources,
 170 };
 171 #endif
 172
 173 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 174 static struct resource ax88180_resources[] = {
 175         [0] = {
 176                 .start  = 0x2c000000,
 177                 .end    = 0x2c000000 + 0x8000,
 178                 .flags  = IORESOURCE_MEM,
 179         },
 180         [1] = {
 181                 .start  = IRQ_PF10,
 182                 .end    = IRQ_PF10,
 183                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 184         },
 185 };
 186
 187 static struct platform_device ax88180_device = {
 188         .name           = "ax88180",
 189         .id             = -1,
 190         .num_resources  = ARRAY_SIZE(ax88180_resources),
 191         .resource       = ax88180_resources,
 192 };
 193 #endif
 194
 195 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 196 static struct resource bfin_uart_resources[] = {
 197         {
 198                 .start = 0xFFC00400,
 199                 .end = 0xFFC004FF,
 200                 .flags = IORESOURCE_MEM,
 201         },
 202 };
 203
 204 static struct platform_device bfin_uart_device = {
 205         .name = "bfin-uart",
 206         .id = 1,
 207         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 208         .resource = bfin_uart_resources,
 209 };
 210 #endif
 211
 212 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 213 static struct resource bfin_sir_resources[] = {
 214 #ifdef CONFIG_BFIN_SIR0
 215         {
 216                 .start = 0xFFC00400,
 217                 .end = 0xFFC004FF,
 218                 .flags = IORESOURCE_MEM,
 219         },
 220 #endif
 221 };
 222
 223 static struct platform_device bfin_sir_device = {
 224         .name = "bfin_sir",
 225         .id = 0,
 226         .num_resources = ARRAY_SIZE(bfin_sir_resources),
 227         .resource = bfin_sir_resources,
 228 };
 229 #endif
 230
 231 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 232 static struct mtd_partition ezkit_partitions[] = {
 233         {
 234                 .name       = "bootloader(nor)",
 235                 .size       = 0x40000,
 236                 .offset     = 0,
 237         }, {
 238                 .name       = "linux kernel(nor)",
 239                 .size       = 0x1C0000,
 240                 .offset     = MTDPART_OFS_APPEND,
 241         }, {
 242                 .name       = "file system(nor)",
 243                 .size       = MTDPART_SIZ_FULL,
 244                 .offset     = MTDPART_OFS_APPEND,
 245         }
 246 };
 247
 248 static struct physmap_flash_data ezkit_flash_data = {
 249         .width      = 2,
 250         .parts      = ezkit_partitions,
 251         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 252 };
 253
 254 static struct resource ezkit_flash_resource = {
 255         .start = 0x20000000,
 256         .end   = 0x207fffff,
 257         .flags = IORESOURCE_MEM,
 258 };
 259
 260 static struct platform_device ezkit_flash_device = {
 261         .name          = "physmap-flash",
 262         .id            = 0,
 263         .dev = {
 264                 .platform_data = &ezkit_flash_data,
 265         },
 266         .num_resources = 1,
 267         .resource      = &ezkit_flash_resource,
 268 };
 269 #endif
 270
 271 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 272         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 273 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 274         .enable_dma = 0,
 275         .bits_per_word = 16,
 276 };
 277 #endif
 278
 279 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 280 static struct bfin5xx_spi_chip spidev_chip_info = {
 281         .enable_dma = 0,
 282         .bits_per_word = 8,
 283 };
 284 #endif
 285
 286 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 287 /* SPI (0) */
 288 static struct resource bfin_spi0_resource[] = {
 289         [0] = {
 290                 .start = SPI0_REGBASE,
 291                 .end   = SPI0_REGBASE + 0xFF,
 292                 .flags = IORESOURCE_MEM,
 293         },
 294         [1] = {
 295                 .start = CH_SPI,
 296                 .end   = CH_SPI,
 297                 .flags = IORESOURCE_IRQ,
 298         }
 299 };
 300
 301 /* SPI controller data */
 302 static struct bfin5xx_spi_master bfin_spi0_info = {
 303         .num_chipselect = 8,
 304         .enable_dma = 1,  /* master has the ability to do dma transfer */
 305         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 306 };
 307
 308 static struct platform_device bfin_spi0_device = {
 309         .name = "bfin-spi",
 310         .id = 0, /* Bus number */
 311         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 312         .resource = bfin_spi0_resource,
 313         .dev = {
 314                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 315         },
 316 };
 317 #endif
 318
 319 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 320 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 321         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 322         {
 323                 .modalias = "ad1836-spi",
 324                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 325                 .bus_num = 0,
 326                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 327                 .controller_data = &ad1836_spi_chip_info,
 328         },
 329 #endif
 330 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 331         {
 332                 .modalias = "spidev",
 333                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 334                 .bus_num = 0,
 335                 .chip_select = 1,
 336                 .controller_data = &spidev_chip_info,
 337         },
 338 #endif
 339 };
 340
 341 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 342 #include <linux/input.h>
 343 #include <linux/gpio_keys.h>
 344
 345 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 346         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 347         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 348         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 349         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 350 };
 351
 352 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 353         .buttons        = bfin_gpio_keys_table,
 354         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 355 };
 356
 357 static struct platform_device bfin_device_gpiokeys = {
 358         .name      = "gpio-keys",
 359         .dev = {
 360                 .platform_data = &bfin_gpio_keys_data,
 361         },
 362 };
 363 #endif
 364
 365 static struct resource bfin_gpios_resources = {
 366         .start = 0,
 367         .end   = MAX_BLACKFIN_GPIOS - 1,
 368         .flags = IORESOURCE_IRQ,
 369 };
 370
 371 static struct platform_device bfin_gpios_device = {
 372         .name = "simple-gpio",
 373         .id = -1,
 374         .num_resources = 1,
 375         .resource = &bfin_gpios_resources,
 376 };
 377
 378 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 379 #include <linux/i2c-gpio.h>
 380
 381 static struct i2c_gpio_platform_data i2c_gpio_data = {
 382         .sda_pin                = 1,
 383         .scl_pin                = 0,
 384         .sda_is_open_drain      = 0,
 385         .scl_is_open_drain      = 0,
 386         .udelay                 = 40,
 387 };
 388
 389 static struct platform_device i2c_gpio_device = {
 390         .name           = "i2c-gpio",
 391         .id             = 0,
 392         .dev            = {
 393                 .platform_data  = &i2c_gpio_data,
 394         },
 395 };
 396 #endif
 397
 398 static const unsigned int cclk_vlev_datasheet[] =
 399 {
 400         VRPAIR(VLEV_085, 250000000),
 401         VRPAIR(VLEV_090, 300000000),
 402         VRPAIR(VLEV_095, 313000000),
 403         VRPAIR(VLEV_100, 350000000),
 404         VRPAIR(VLEV_105, 400000000),
 405         VRPAIR(VLEV_110, 444000000),
 406         VRPAIR(VLEV_115, 450000000),
 407         VRPAIR(VLEV_120, 475000000),
 408         VRPAIR(VLEV_125, 500000000),
 409         VRPAIR(VLEV_130, 600000000),
 410 };
 411
 412 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 413         .tuple_tab = cclk_vlev_datasheet,
 414         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 415         .vr_settling_time = 25 /* us */,
 416 };
 417
 418 static struct platform_device bfin_dpmc = {
 419         .name = "bfin dpmc",
 420         .dev = {
 421                 .platform_data = &bfin_dmpc_vreg_data,
 422         },
 423 };
 424
 425 static struct platform_device *ezkit_devices[] __initdata = {
 426
 427         &bfin_dpmc,
 428
 429 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 430         &smc91x_device,
 431 #endif
 432
 433 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 434         &ax88180_device,
 435 #endif
 436
 437 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 438         &net2272_bfin_device,
 439 #endif
 440
 441 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 442         &bfin_isp1760_device,
 443 #endif
 444
 445 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 446         &bfin_spi0_device,
 447 #endif
 448
 449 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 450         &bfin_uart_device,
 451 #endif
 452
 453 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 454         &bfin_sir_device,
 455 #endif
 456
 457 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 458         &bfin_device_gpiokeys,
 459 #endif
 460
 461 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 462         &i2c_gpio_device,
 463 #endif
 464
 465 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 466         &isp1362_hcd_device,
 467 #endif
 468
 469         &bfin_gpios_device,
 470
 471 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 472         &ezkit_flash_device,
 473 #endif
 474 };
 475
 476 static int __init ezkit_init(void)
 477 {
 478         int ret;
 479
 480         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 481
 482         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 483         if (ret < 0)
 484                 return ret;
 485
 486 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 487         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 488         SSYNC();
 489 #endif
 490
 491         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 492         return 0;
 493 }
 494
 495 arch_initcall(ezkit_init);