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 <linux/delay.h>
  18 #include <asm/dma.h>
  19 #include <asm/bfin5xx_spi.h>
  20 #include <asm/portmux.h>
  21 #include <asm/dpmc.h>
  22
  23 /*
  24  * Name the Board for the /proc/cpuinfo
  25  */
  26 const char bfin_board_name[] = "ADI BF561-EZKIT";
  27
  28 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  29 #include <linux/usb/isp1760.h>
  30 static struct resource bfin_isp1760_resources[] = {
  31         [0] = {
  32                 .start  = 0x2C0F0000,
  33                 .end    = 0x203C0000 + 0xfffff,
  34                 .flags  = IORESOURCE_MEM,
  35         },
  36         [1] = {
  37                 .start  = IRQ_PF10,
  38                 .end    = IRQ_PF10,
  39                 .flags  = IORESOURCE_IRQ,
  40         },
  41 };
  42
  43 static struct isp1760_platform_data isp1760_priv = {
  44         .is_isp1761 = 0,
  45         .bus_width_16 = 1,
  46         .port1_otg = 0,
  47         .analog_oc = 0,
  48         .dack_polarity_high = 0,
  49         .dreq_polarity_high = 0,
  50 };
  51
  52 static struct platform_device bfin_isp1760_device = {
  53         .name           = "isp1760",
  54         .id             = 0,
  55         .dev = {
  56                 .platform_data = &isp1760_priv,
  57         },
  58         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  59         .resource       = bfin_isp1760_resources,
  60 };
  61 #endif
  62
  63 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  64 #include <linux/usb/isp1362.h>
  65
  66 static struct resource isp1362_hcd_resources[] = {
  67         {
  68                 .start = 0x2c060000,
  69                 .end = 0x2c060000,
  70                 .flags = IORESOURCE_MEM,
  71         }, {
  72                 .start = 0x2c060004,
  73                 .end = 0x2c060004,
  74                 .flags = IORESOURCE_MEM,
  75         }, {
  76                 .start = IRQ_PF8,
  77                 .end = IRQ_PF8,
  78                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
  79         },
  80 };
  81
  82 static struct isp1362_platform_data isp1362_priv = {
  83         .sel15Kres = 1,
  84         .clknotstop = 0,
  85         .oc_enable = 0,
  86         .int_act_high = 0,
  87         .int_edge_triggered = 0,
  88         .remote_wakeup_connected = 0,
  89         .no_power_switching = 1,
  90         .power_switching_mode = 0,
  91 };
  92
  93 static struct platform_device isp1362_hcd_device = {
  94         .name = "isp1362-hcd",
  95         .id = 0,
  96         .dev = {
  97                 .platform_data = &isp1362_priv,
  98         },
  99         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 100         .resource = isp1362_hcd_resources,
 101 };
 102 #endif
 103
 104 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 105 static struct resource net2272_bfin_resources[] = {
 106         {
 107                 .start = 0x2C000000,
 108                 .end = 0x2C000000 + 0x7F,
 109                 .flags = IORESOURCE_MEM,
 110         }, {
 111                 .start = 1,
 112                 .flags = IORESOURCE_BUS,
 113         }, {
 114                 .start = IRQ_PF10,
 115                 .end = IRQ_PF10,
 116                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 117         },
 118 };
 119
 120 static struct platform_device net2272_bfin_device = {
 121         .name = "net2272",
 122         .id = -1,
 123         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 124         .resource = net2272_bfin_resources,
 125 };
 126 #endif
 127
 128 /*
 129  *  USB-LAN EzExtender board
 130  *  Driver needs to know address, irq and flag pin.
 131  */
 132 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 133 #include <linux/smc91x.h>
 134
 135 static struct smc91x_platdata smc91x_info = {
 136         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
 137         .leda = RPC_LED_100_10,
 138         .ledb = RPC_LED_TX_RX,
 139 };
 140
 141 static struct resource smc91x_resources[] = {
 142         {
 143                 .name = "smc91x-regs",
 144                 .start = 0x2C010300,
 145                 .end = 0x2C010300 + 16,
 146                 .flags = IORESOURCE_MEM,
 147         }, {
 148
 149                 .start = IRQ_PF9,
 150                 .end = IRQ_PF9,
 151                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 152         },
 153 };
 154
 155 static struct platform_device smc91x_device = {
 156         .name = "smc91x",
 157         .id = 0,
 158         .num_resources = ARRAY_SIZE(smc91x_resources),
 159         .resource = smc91x_resources,
 160         .dev    = {
 161                 .platform_data  = &smc91x_info,
 162         },
 163 };
 164 #endif
 165
 166 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 167 #ifdef CONFIG_SERIAL_BFIN_UART0
 168 static struct resource bfin_uart0_resources[] = {
 169         {
 170                 .start = BFIN_UART_THR,
 171                 .end = BFIN_UART_GCTL+2,
 172                 .flags = IORESOURCE_MEM,
 173         },
 174         {
 175                 .start = IRQ_UART_TX,
 176                 .end = IRQ_UART_TX,
 177                 .flags = IORESOURCE_IRQ,
 178         },
 179         {
 180                 .start = IRQ_UART_RX,
 181                 .end = IRQ_UART_RX,
 182                 .flags = IORESOURCE_IRQ,
 183         },
 184         {
 185                 .start = IRQ_UART_ERROR,
 186                 .end = IRQ_UART_ERROR,
 187                 .flags = IORESOURCE_IRQ,
 188         },
 189         {
 190                 .start = CH_UART_TX,
 191                 .end = CH_UART_TX,
 192                 .flags = IORESOURCE_DMA,
 193         },
 194         {
 195                 .start = CH_UART_RX,
 196                 .end = CH_UART_RX,
 197                 .flags = IORESOURCE_DMA,
 198         },
 199 };
 200
 201 static unsigned short bfin_uart0_peripherals[] = {
 202         P_UART0_TX, P_UART0_RX, 0
 203 };
 204
 205 static struct platform_device bfin_uart0_device = {
 206         .name = "bfin-uart",
 207         .id = 0,
 208         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 209         .resource = bfin_uart0_resources,
 210         .dev = {
 211                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 212         },
 213 };
 214 #endif
 215 #endif
 216
 217 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 218 #ifdef CONFIG_BFIN_SIR0
 219 static struct resource bfin_sir0_resources[] = {
 220         {
 221                 .start = 0xFFC00400,
 222                 .end = 0xFFC004FF,
 223                 .flags = IORESOURCE_MEM,
 224         },
 225         {
 226                 .start = IRQ_UART0_RX,
 227                 .end = IRQ_UART0_RX+1,
 228                 .flags = IORESOURCE_IRQ,
 229         },
 230         {
 231                 .start = CH_UART0_RX,
 232                 .end = CH_UART0_RX+1,
 233                 .flags = IORESOURCE_DMA,
 234         },
 235 };
 236
 237 static struct platform_device bfin_sir0_device = {
 238         .name = "bfin_sir",
 239         .id = 0,
 240         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 241         .resource = bfin_sir0_resources,
 242 };
 243 #endif
 244 #endif
 245
 246 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 247 static struct mtd_partition ezkit_partitions[] = {
 248         {
 249                 .name       = "bootloader(nor)",
 250                 .size       = 0x40000,
 251                 .offset     = 0,
 252         }, {
 253                 .name       = "linux kernel(nor)",
 254                 .size       = 0x1C0000,
 255                 .offset     = MTDPART_OFS_APPEND,
 256         }, {
 257                 .name       = "file system(nor)",
 258                 .size       = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
 259                 .offset     = MTDPART_OFS_APPEND,
 260         }, {
 261                 .name       = "config(nor)",
 262                 .size       = 0x2000 * 7,
 263                 .offset     = MTDPART_OFS_APPEND,
 264         }, {
 265                 .name       = "u-boot env(nor)",
 266                 .size       = 0x2000,
 267                 .offset     = MTDPART_OFS_APPEND,
 268         }
 269 };
 270
 271 static struct physmap_flash_data ezkit_flash_data = {
 272         .width      = 2,
 273         .parts      = ezkit_partitions,
 274         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 275 };
 276
 277 static struct resource ezkit_flash_resource = {
 278         .start = 0x20000000,
 279         .end   = 0x207fffff,
 280         .flags = IORESOURCE_MEM,
 281 };
 282
 283 static struct platform_device ezkit_flash_device = {
 284         .name          = "physmap-flash",
 285         .id            = 0,
 286         .dev = {
 287                 .platform_data = &ezkit_flash_data,
 288         },
 289         .num_resources = 1,
 290         .resource      = &ezkit_flash_resource,
 291 };
 292 #endif
 293
 294 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 295 /* SPI (0) */
 296 static struct resource bfin_spi0_resource[] = {
 297         [0] = {
 298                 .start = SPI0_REGBASE,
 299                 .end   = SPI0_REGBASE + 0xFF,
 300                 .flags = IORESOURCE_MEM,
 301         },
 302         [1] = {
 303                 .start = CH_SPI,
 304                 .end   = CH_SPI,
 305                 .flags = IORESOURCE_DMA,
 306         },
 307         [2] = {
 308                 .start = IRQ_SPI,
 309                 .end   = IRQ_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 #endif
 331
 332 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 333 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
 334         || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 335         {
 336                 .modalias = "ad183x",
 337                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 338                 .bus_num = 0,
 339                 .chip_select = 4,
 340                 .platform_data = "ad1836", /* only includes chip name for the moment */
 341                 .mode = SPI_MODE_3,
 342         },
 343 #endif
 344 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 345         {
 346                 .modalias = "spidev",
 347                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 348                 .bus_num = 0,
 349                 .chip_select = 1,
 350         },
 351 #endif
 352 };
 353
 354 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 355 #include <linux/input.h>
 356 #include <linux/gpio_keys.h>
 357
 358 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 359         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 360         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 361         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 362         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 363 };
 364
 365 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 366         .buttons        = bfin_gpio_keys_table,
 367         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 368 };
 369
 370 static struct platform_device bfin_device_gpiokeys = {
 371         .name      = "gpio-keys",
 372         .dev = {
 373                 .platform_data = &bfin_gpio_keys_data,
 374         },
 375 };
 376 #endif
 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                = GPIO_PF1,
 383         .scl_pin                = GPIO_PF0,
 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 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 426 static struct platform_device bfin_i2s = {
 427         .name = "bfin-i2s",
 428         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 429         /* TODO: add platform data here */
 430 };
 431 #endif
 432
 433 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 434 static struct platform_device bfin_tdm = {
 435         .name = "bfin-tdm",
 436         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 437         /* TODO: add platform data here */
 438 };
 439 #endif
 440
 441 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 442 static struct platform_device bfin_ac97 = {
 443         .name = "bfin-ac97",
 444         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 445         /* TODO: add platform data here */
 446 };
 447 #endif
 448
 449 static struct platform_device *ezkit_devices[] __initdata = {
 450
 451         &bfin_dpmc,
 452
 453 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 454         &smc91x_device,
 455 #endif
 456
 457 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 458         &net2272_bfin_device,
 459 #endif
 460
 461 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 462         &bfin_isp1760_device,
 463 #endif
 464
 465 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 466         &bfin_spi0_device,
 467 #endif
 468
 469 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 470 #ifdef CONFIG_SERIAL_BFIN_UART0
 471         &bfin_uart0_device,
 472 #endif
 473 #endif
 474
 475 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 476 #ifdef CONFIG_BFIN_SIR0
 477         &bfin_sir0_device,
 478 #endif
 479 #endif
 480
 481 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 482         &bfin_device_gpiokeys,
 483 #endif
 484
 485 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 486         &i2c_gpio_device,
 487 #endif
 488
 489 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 490         &isp1362_hcd_device,
 491 #endif
 492
 493 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 494         &ezkit_flash_device,
 495 #endif
 496
 497 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 498         &bfin_i2s,
 499 #endif
 500
 501 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 502         &bfin_tdm,
 503 #endif
 504
 505 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 506         &bfin_ac97,
 507 #endif
 508 };
 509
 510 static int __init net2272_init(void)
 511 {
 512 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 513         int ret;
 514
 515         ret = gpio_request(GPIO_PF11, "net2272");
 516         if (ret)
 517                 return ret;
 518
 519         /* Reset the USB chip */
 520         gpio_direction_output(GPIO_PF11, 0);
 521         mdelay(2);
 522         gpio_set_value(GPIO_PF11, 1);
 523 #endif
 524
 525         return 0;
 526 }
 527
 528 static int __init ezkit_init(void)
 529 {
 530         int ret;
 531
 532         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 533
 534         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 535         if (ret < 0)
 536                 return ret;
 537
 538 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 539         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 540         SSYNC();
 541 #endif
 542
 543 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 544         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
 545         bfin_write_FIO0_FLAG_S(1 << 15);
 546         SSYNC();
 547         /*
 548          * This initialization lasts for approximately 4500 MCLKs.
 549          * MCLK = 12.288MHz
 550          */
 551         udelay(400);
 552 #endif
 553
 554         if (net2272_init())
 555                 pr_warning("unable to configure net2272; it probably won't work\n");
 556
 557         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 558         return 0;
 559 }
 560
 561 arch_initcall(ezkit_init);
 562
 563 static struct platform_device *ezkit_early_devices[] __initdata = {
 564 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 565 #ifdef CONFIG_SERIAL_BFIN_UART0
 566         &bfin_uart0_device,
 567 #endif
 568 #endif
 569 };
 570
 571 void __init native_machine_early_platform_add_devices(void)
 572 {
 573         printk(KERN_INFO "register early platform devices\n");
 574         early_platform_add_devices(ezkit_early_devices,
 575                 ARRAY_SIZE(ezkit_early_devices));
 576 }