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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 <linux/ata_platform.h>
  39 #include <asm/dma.h>
  40 #include <asm/bfin5xx_spi.h>
  41 #include <asm/portmux.h>
  42 #include <asm/dpmc.h>
  43
  44 /*
  45  * Name the Board for the /proc/cpuinfo
  46  */
  47 const char bfin_board_name[] = "ADDS-BF561-EZKIT";
  48
  49 #define ISP1761_BASE       0x2C0F0000
  50 #define ISP1761_IRQ        IRQ_PF10
  51
  52 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  53 static struct resource bfin_isp1761_resources[] = {
  54         {
  55                 .name   = "isp1761-regs",
  56                 .start  = ISP1761_BASE + 0x00000000,
  57                 .end    = ISP1761_BASE + 0x000fffff,
  58                 .flags  = IORESOURCE_MEM,
  59         },
  60         {
  61                 .start  = ISP1761_IRQ,
  62                 .end    = ISP1761_IRQ,
  63                 .flags  = IORESOURCE_IRQ,
  64         },
  65 };
  66
  67 static struct platform_device bfin_isp1761_device = {
  68         .name           = "isp1761",
  69         .id             = 0,
  70         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  71         .resource       = bfin_isp1761_resources,
  72 };
  73
  74 static struct platform_device *bfin_isp1761_devices[] = {
  75         &bfin_isp1761_device,
  76 };
  77
  78 int __init bfin_isp1761_init(void)
  79 {
  80         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
  81
  82         printk(KERN_INFO "%s(): registering device resources\n", __func__);
  83         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  84
  85         return platform_add_devices(bfin_isp1761_devices, num_devices);
  86 }
  87
  88 void __exit bfin_isp1761_exit(void)
  89 {
  90         platform_device_unregister(&bfin_isp1761_device);
  91 }
  92
  93 arch_initcall(bfin_isp1761_init);
  94 #endif
  95
  96 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  97 #include <linux/usb/isp1362.h>
  98
  99 static struct resource isp1362_hcd_resources[] = {
 100         {
 101                 .start = 0x2c060000,
 102                 .end = 0x2c060000,
 103                 .flags = IORESOURCE_MEM,
 104         }, {
 105                 .start = 0x2c060004,
 106                 .end = 0x2c060004,
 107                 .flags = IORESOURCE_MEM,
 108         }, {
 109                 .start = IRQ_PF8,
 110                 .end = IRQ_PF8,
 111                 .flags = IORESOURCE_IRQ,
 112         },
 113 };
 114
 115 static struct isp1362_platform_data isp1362_priv = {
 116         .sel15Kres = 1,
 117         .clknotstop = 0,
 118         .oc_enable = 0,
 119         .int_act_high = 0,
 120         .int_edge_triggered = 0,
 121         .remote_wakeup_connected = 0,
 122         .no_power_switching = 1,
 123         .power_switching_mode = 0,
 124 };
 125
 126 static struct platform_device isp1362_hcd_device = {
 127         .name = "isp1362-hcd",
 128         .id = 0,
 129         .dev = {
 130                 .platform_data = &isp1362_priv,
 131         },
 132         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 133         .resource = isp1362_hcd_resources,
 134 };
 135 #endif
 136
 137 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 138 static struct resource net2272_bfin_resources[] = {
 139         {
 140                 .start = 0x2C000000,
 141                 .end = 0x2C000000 + 0x7F,
 142                 .flags = IORESOURCE_MEM,
 143         }, {
 144                 .start = IRQ_PF10,
 145                 .end = IRQ_PF10,
 146                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 147         },
 148 };
 149
 150 static struct platform_device net2272_bfin_device = {
 151         .name = "net2272",
 152         .id = -1,
 153         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 154         .resource = net2272_bfin_resources,
 155 };
 156 #endif
 157
 158 /*
 159  *  USB-LAN EzExtender board
 160  *  Driver needs to know address, irq and flag pin.
 161  */
 162 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 163 static struct resource smc91x_resources[] = {
 164         {
 165                 .name = "smc91x-regs",
 166                 .start = 0x2C010300,
 167                 .end = 0x2C010300 + 16,
 168                 .flags = IORESOURCE_MEM,
 169         }, {
 170
 171                 .start = IRQ_PF9,
 172                 .end = IRQ_PF9,
 173                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 174         },
 175 };
 176
 177 static struct platform_device smc91x_device = {
 178         .name = "smc91x",
 179         .id = 0,
 180         .num_resources = ARRAY_SIZE(smc91x_resources),
 181         .resource = smc91x_resources,
 182 };
 183 #endif
 184
 185 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 186 static struct resource ax88180_resources[] = {
 187         [0] = {
 188                 .start  = 0x2c000000,
 189                 .end    = 0x2c000000 + 0x8000,
 190                 .flags  = IORESOURCE_MEM,
 191         },
 192         [1] = {
 193                 .start  = IRQ_PF10,
 194                 .end    = IRQ_PF10,
 195                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 196         },
 197 };
 198
 199 static struct platform_device ax88180_device = {
 200         .name           = "ax88180",
 201         .id             = -1,
 202         .num_resources  = ARRAY_SIZE(ax88180_resources),
 203         .resource       = ax88180_resources,
 204 };
 205 #endif
 206
 207 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 208 static struct resource bfin_uart_resources[] = {
 209         {
 210                 .start = 0xFFC00400,
 211                 .end = 0xFFC004FF,
 212                 .flags = IORESOURCE_MEM,
 213         },
 214 };
 215
 216 static struct platform_device bfin_uart_device = {
 217         .name = "bfin-uart",
 218         .id = 1,
 219         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 220         .resource = bfin_uart_resources,
 221 };
 222 #endif
 223
 224 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 225 static struct resource bfin_sir_resources[] = {
 226 #ifdef CONFIG_BFIN_SIR0
 227         {
 228                 .start = 0xFFC00400,
 229                 .end = 0xFFC004FF,
 230                 .flags = IORESOURCE_MEM,
 231         },
 232 #endif
 233 };
 234
 235 static struct platform_device bfin_sir_device = {
 236         .name = "bfin_sir",
 237         .id = 0,
 238         .num_resources = ARRAY_SIZE(bfin_sir_resources),
 239         .resource = bfin_sir_resources,
 240 };
 241 #endif
 242
 243 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 244 static struct mtd_partition ezkit_partitions[] = {
 245         {
 246                 .name       = "Bootloader",
 247                 .size       = 0x40000,
 248                 .offset     = 0,
 249         }, {
 250                 .name       = "Kernel",
 251                 .size       = 0x1C0000,
 252                 .offset     = MTDPART_OFS_APPEND,
 253         }, {
 254                 .name       = "RootFS",
 255                 .size       = MTDPART_SIZ_FULL,
 256                 .offset     = MTDPART_OFS_APPEND,
 257         }
 258 };
 259
 260 static struct physmap_flash_data ezkit_flash_data = {
 261         .width      = 2,
 262         .parts      = ezkit_partitions,
 263         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 264 };
 265
 266 static struct resource ezkit_flash_resource = {
 267         .start = 0x20000000,
 268         .end   = 0x207fffff,
 269         .flags = IORESOURCE_MEM,
 270 };
 271
 272 static struct platform_device ezkit_flash_device = {
 273         .name          = "physmap-flash",
 274         .id            = 0,
 275         .dev = {
 276                 .platform_data = &ezkit_flash_data,
 277         },
 278         .num_resources = 1,
 279         .resource      = &ezkit_flash_resource,
 280 };
 281 #endif
 282
 283 #ifdef CONFIG_SPI_BFIN
 284 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 285         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 286 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 287         .enable_dma = 0,
 288         .bits_per_word = 16,
 289 };
 290 #endif
 291
 292 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 293 static struct bfin5xx_spi_chip spidev_chip_info = {
 294         .enable_dma = 0,
 295         .bits_per_word = 8,
 296 };
 297 #endif
 298 #endif
 299
 300 /* SPI (0) */
 301 static struct resource bfin_spi0_resource[] = {
 302         [0] = {
 303                 .start = SPI0_REGBASE,
 304                 .end   = SPI0_REGBASE + 0xFF,
 305                 .flags = IORESOURCE_MEM,
 306         },
 307         [1] = {
 308                 .start = CH_SPI,
 309                 .end   = CH_SPI,
 310                 .flags = IORESOURCE_IRQ,
 311         }
 312 };
 313
 314 /* SPI controller data */
 315 static struct bfin5xx_spi_master bfin_spi0_info = {
 316         .num_chipselect = 8,
 317         .enable_dma = 1,  /* master has the ability to do dma transfer */
 318         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 319 };
 320
 321 static struct platform_device bfin_spi0_device = {
 322         .name = "bfin-spi",
 323         .id = 0, /* Bus number */
 324         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 325         .resource = bfin_spi0_resource,
 326         .dev = {
 327                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 328         },
 329 };
 330
 331 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 332 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 333         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 334         {
 335                 .modalias = "ad1836-spi",
 336                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 337                 .bus_num = 0,
 338                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 339                 .controller_data = &ad1836_spi_chip_info,
 340         },
 341 #endif
 342 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 343         {
 344                 .modalias = "spidev",
 345                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 346                 .bus_num = 0,
 347                 .chip_select = 1,
 348                 .controller_data = &spidev_chip_info,
 349         },
 350 #endif
 351 };
 352
 353 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 354 #define PATA_INT        55
 355
 356 static struct pata_platform_info bfin_pata_platform_data = {
 357         .ioport_shift = 1,
 358         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 359 };
 360
 361 static struct resource bfin_pata_resources[] = {
 362         {
 363                 .start = 0x20314020,
 364                 .end = 0x2031403F,
 365                 .flags = IORESOURCE_MEM,
 366         },
 367         {
 368                 .start = 0x2031401C,
 369                 .end = 0x2031401F,
 370                 .flags = IORESOURCE_MEM,
 371         },
 372         {
 373                 .start = PATA_INT,
 374                 .end = PATA_INT,
 375                 .flags = IORESOURCE_IRQ,
 376         },
 377 };
 378
 379 static struct platform_device bfin_pata_device = {
 380         .name = "pata_platform",
 381         .id = -1,
 382         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 383         .resource = bfin_pata_resources,
 384         .dev = {
 385                 .platform_data = &bfin_pata_platform_data,
 386         }
 387 };
 388 #endif
 389
 390 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 391 #include <linux/input.h>
 392 #include <linux/gpio_keys.h>
 393
 394 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 395         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 396         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 397         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 398         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 399 };
 400
 401 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 402         .buttons        = bfin_gpio_keys_table,
 403         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 404 };
 405
 406 static struct platform_device bfin_device_gpiokeys = {
 407         .name      = "gpio-keys",
 408         .dev = {
 409                 .platform_data = &bfin_gpio_keys_data,
 410         },
 411 };
 412 #endif
 413
 414 static struct resource bfin_gpios_resources = {
 415         .start = 0,
 416         .end   = MAX_BLACKFIN_GPIOS - 1,
 417         .flags = IORESOURCE_IRQ,
 418 };
 419
 420 static struct platform_device bfin_gpios_device = {
 421         .name = "simple-gpio",
 422         .id = -1,
 423         .num_resources = 1,
 424         .resource = &bfin_gpios_resources,
 425 };
 426
 427 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 428 #include <linux/i2c-gpio.h>
 429
 430 static struct i2c_gpio_platform_data i2c_gpio_data = {
 431         .sda_pin                = 1,
 432         .scl_pin                = 0,
 433         .sda_is_open_drain      = 0,
 434         .scl_is_open_drain      = 0,
 435         .udelay                 = 40,
 436 };
 437
 438 static struct platform_device i2c_gpio_device = {
 439         .name           = "i2c-gpio",
 440         .id             = 0,
 441         .dev            = {
 442                 .platform_data  = &i2c_gpio_data,
 443         },
 444 };
 445 #endif
 446
 447 static const unsigned int cclk_vlev_datasheet[] =
 448 {
 449         VRPAIR(VLEV_085, 250000000),
 450         VRPAIR(VLEV_090, 300000000),
 451         VRPAIR(VLEV_095, 313000000),
 452         VRPAIR(VLEV_100, 350000000),
 453         VRPAIR(VLEV_105, 400000000),
 454         VRPAIR(VLEV_110, 444000000),
 455         VRPAIR(VLEV_115, 450000000),
 456         VRPAIR(VLEV_120, 475000000),
 457         VRPAIR(VLEV_125, 500000000),
 458         VRPAIR(VLEV_130, 600000000),
 459 };
 460
 461 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 462         .tuple_tab = cclk_vlev_datasheet,
 463         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 464         .vr_settling_time = 25 /* us */,
 465 };
 466
 467 static struct platform_device bfin_dpmc = {
 468         .name = "bfin dpmc",
 469         .dev = {
 470                 .platform_data = &bfin_dmpc_vreg_data,
 471         },
 472 };
 473
 474 static struct platform_device *ezkit_devices[] __initdata = {
 475
 476         &bfin_dpmc,
 477
 478 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 479         &smc91x_device,
 480 #endif
 481
 482 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 483         &ax88180_device,
 484 #endif
 485
 486 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 487         &net2272_bfin_device,
 488 #endif
 489
 490 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 491         &bfin_spi0_device,
 492 #endif
 493
 494 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 495         &bfin_uart_device,
 496 #endif
 497
 498 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 499         &bfin_sir_device,
 500 #endif
 501
 502 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 503         &bfin_pata_device,
 504 #endif
 505
 506 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 507         &bfin_device_gpiokeys,
 508 #endif
 509
 510 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 511         &i2c_gpio_device,
 512 #endif
 513
 514 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 515         &isp1362_hcd_device,
 516 #endif
 517
 518         &bfin_gpios_device,
 519
 520 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 521         &ezkit_flash_device,
 522 #endif
 523 };
 524
 525 static int __init ezkit_init(void)
 526 {
 527         int ret;
 528
 529         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 530
 531         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 532         if (ret < 0)
 533                 return ret;
 534
 535 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 536         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 537         SSYNC();
 538 #endif
 539
 540 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 541         spi_register_board_info(bfin_spi_board_info,
 542                                 ARRAY_SIZE(bfin_spi_board_info));
 543 #endif
 544
 545 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 546         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 547 #endif
 548         return 0;
 549 }
 550
 551 arch_initcall(ezkit_init);