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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[] = "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", __func__);
  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 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 224 static struct resource bfin_sir_resources[] = {
 225 #ifdef CONFIG_BFIN_SIR0
 226         {
 227                 .start = 0xFFC00400,
 228                 .end = 0xFFC004FF,
 229                 .flags = IORESOURCE_MEM,
 230         },
 231 #endif
 232 };
 233
 234 static struct platform_device bfin_sir_device = {
 235         .name = "bfin_sir",
 236         .id = 0,
 237         .num_resources = ARRAY_SIZE(bfin_sir_resources),
 238         .resource = bfin_sir_resources,
 239 };
 240 #endif
 241
 242 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 243 static struct mtd_partition ezkit_partitions[] = {
 244         {
 245                 .name       = "bootloader(nor)",
 246                 .size       = 0x40000,
 247                 .offset     = 0,
 248         }, {
 249                 .name       = "linux kernel(nor)",
 250                 .size       = 0x1C0000,
 251                 .offset     = MTDPART_OFS_APPEND,
 252         }, {
 253                 .name       = "file system(nor)",
 254                 .size       = MTDPART_SIZ_FULL,
 255                 .offset     = MTDPART_OFS_APPEND,
 256         }
 257 };
 258
 259 static struct physmap_flash_data ezkit_flash_data = {
 260         .width      = 2,
 261         .parts      = ezkit_partitions,
 262         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 263 };
 264
 265 static struct resource ezkit_flash_resource = {
 266         .start = 0x20000000,
 267         .end   = 0x207fffff,
 268         .flags = IORESOURCE_MEM,
 269 };
 270
 271 static struct platform_device ezkit_flash_device = {
 272         .name          = "physmap-flash",
 273         .id            = 0,
 274         .dev = {
 275                 .platform_data = &ezkit_flash_data,
 276         },
 277         .num_resources = 1,
 278         .resource      = &ezkit_flash_resource,
 279 };
 280 #endif
 281
 282 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 283         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 284 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 285         .enable_dma = 0,
 286         .bits_per_word = 16,
 287 };
 288 #endif
 289
 290 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 291 static struct bfin5xx_spi_chip spidev_chip_info = {
 292         .enable_dma = 0,
 293         .bits_per_word = 8,
 294 };
 295 #endif
 296
 297 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 298 /* SPI (0) */
 299 static struct resource bfin_spi0_resource[] = {
 300         [0] = {
 301                 .start = SPI0_REGBASE,
 302                 .end   = SPI0_REGBASE + 0xFF,
 303                 .flags = IORESOURCE_MEM,
 304         },
 305         [1] = {
 306                 .start = CH_SPI,
 307                 .end   = CH_SPI,
 308                 .flags = IORESOURCE_IRQ,
 309         }
 310 };
 311
 312 /* SPI controller data */
 313 static struct bfin5xx_spi_master bfin_spi0_info = {
 314         .num_chipselect = 8,
 315         .enable_dma = 1,  /* master has the ability to do dma transfer */
 316         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 317 };
 318
 319 static struct platform_device bfin_spi0_device = {
 320         .name = "bfin-spi",
 321         .id = 0, /* Bus number */
 322         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 323         .resource = bfin_spi0_resource,
 324         .dev = {
 325                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 326         },
 327 };
 328 #endif
 329
 330 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 331 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 332         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 333         {
 334                 .modalias = "ad1836-spi",
 335                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 336                 .bus_num = 0,
 337                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 338                 .controller_data = &ad1836_spi_chip_info,
 339         },
 340 #endif
 341 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 342         {
 343                 .modalias = "spidev",
 344                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 345                 .bus_num = 0,
 346                 .chip_select = 1,
 347                 .controller_data = &spidev_chip_info,
 348         },
 349 #endif
 350 };
 351
 352 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 353 #include <linux/input.h>
 354 #include <linux/gpio_keys.h>
 355
 356 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 357         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 358         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 359         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 360         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 361 };
 362
 363 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 364         .buttons        = bfin_gpio_keys_table,
 365         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 366 };
 367
 368 static struct platform_device bfin_device_gpiokeys = {
 369         .name      = "gpio-keys",
 370         .dev = {
 371                 .platform_data = &bfin_gpio_keys_data,
 372         },
 373 };
 374 #endif
 375
 376 static struct resource bfin_gpios_resources = {
 377         .start = 0,
 378         .end   = MAX_BLACKFIN_GPIOS - 1,
 379         .flags = IORESOURCE_IRQ,
 380 };
 381
 382 static struct platform_device bfin_gpios_device = {
 383         .name = "simple-gpio",
 384         .id = -1,
 385         .num_resources = 1,
 386         .resource = &bfin_gpios_resources,
 387 };
 388
 389 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 390 #include <linux/i2c-gpio.h>
 391
 392 static struct i2c_gpio_platform_data i2c_gpio_data = {
 393         .sda_pin                = 1,
 394         .scl_pin                = 0,
 395         .sda_is_open_drain      = 0,
 396         .scl_is_open_drain      = 0,
 397         .udelay                 = 40,
 398 };
 399
 400 static struct platform_device i2c_gpio_device = {
 401         .name           = "i2c-gpio",
 402         .id             = 0,
 403         .dev            = {
 404                 .platform_data  = &i2c_gpio_data,
 405         },
 406 };
 407 #endif
 408
 409 static const unsigned int cclk_vlev_datasheet[] =
 410 {
 411         VRPAIR(VLEV_085, 250000000),
 412         VRPAIR(VLEV_090, 300000000),
 413         VRPAIR(VLEV_095, 313000000),
 414         VRPAIR(VLEV_100, 350000000),
 415         VRPAIR(VLEV_105, 400000000),
 416         VRPAIR(VLEV_110, 444000000),
 417         VRPAIR(VLEV_115, 450000000),
 418         VRPAIR(VLEV_120, 475000000),
 419         VRPAIR(VLEV_125, 500000000),
 420         VRPAIR(VLEV_130, 600000000),
 421 };
 422
 423 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 424         .tuple_tab = cclk_vlev_datasheet,
 425         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 426         .vr_settling_time = 25 /* us */,
 427 };
 428
 429 static struct platform_device bfin_dpmc = {
 430         .name = "bfin dpmc",
 431         .dev = {
 432                 .platform_data = &bfin_dmpc_vreg_data,
 433         },
 434 };
 435
 436 static struct platform_device *ezkit_devices[] __initdata = {
 437
 438         &bfin_dpmc,
 439
 440 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 441         &smc91x_device,
 442 #endif
 443
 444 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 445         &ax88180_device,
 446 #endif
 447
 448 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 449         &net2272_bfin_device,
 450 #endif
 451
 452 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 453         &bfin_spi0_device,
 454 #endif
 455
 456 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 457         &bfin_uart_device,
 458 #endif
 459
 460 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 461         &bfin_sir_device,
 462 #endif
 463
 464 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 465         &bfin_device_gpiokeys,
 466 #endif
 467
 468 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 469         &i2c_gpio_device,
 470 #endif
 471
 472 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 473         &isp1362_hcd_device,
 474 #endif
 475
 476         &bfin_gpios_device,
 477
 478 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 479         &ezkit_flash_device,
 480 #endif
 481 };
 482
 483 static int __init ezkit_init(void)
 484 {
 485         int ret;
 486
 487         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 488
 489         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 490         if (ret < 0)
 491                 return ret;
 492
 493 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 494         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 495         SSYNC();
 496 #endif
 497
 498         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 499         return 0;
 500 }
 501
 502 arch_initcall(ezkit_init);