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   1 /*
   2  * File:         arch/blackfin/mach-bf537/boards/stamp.c
   3  * Based on:     arch/blackfin/mach-bf533/boards/ezkit.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2008 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/etherdevice.h>
  33 #include <linux/platform_device.h>
  34 #include <linux/mtd/mtd.h>
  35 #include <linux/mtd/partitions.h>
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/flash.h>
  38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  39 #include <linux/usb/isp1362.h>
  40 #endif
  41 #include <linux/irq.h>
  42 #include <asm/dma.h>
  43 #include <asm/bfin5xx_spi.h>
  44 #include <asm/portmux.h>
  45 #include <linux/usb/sl811.h>
  46
  47 #include <linux/spi/ad7877.h>
  48
  49 /*
  50  * Name the Board for the /proc/cpuinfo
  51  */
  52 const char bfin_board_name[] = "ADI PNAV-1.0";
  53
  54 /*
  55  *  Driver needs to know address, irq and flag pin.
  56  */
  57
  58 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
  59 static struct resource bfin_pcmcia_cf_resources[] = {
  60         {
  61                 .start = 0x20310000, /* IO PORT */
  62                 .end = 0x20312000,
  63                 .flags = IORESOURCE_MEM,
  64         }, {
  65                 .start = 0x20311000, /* Attribute Memory */
  66                 .end = 0x20311FFF,
  67                 .flags = IORESOURCE_MEM,
  68         }, {
  69                 .start = IRQ_PF4,
  70                 .end = IRQ_PF4,
  71                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  72         }, {
  73                 .start = 6, /* Card Detect PF6 */
  74                 .end = 6,
  75                 .flags = IORESOURCE_IRQ,
  76         },
  77 };
  78
  79 static struct platform_device bfin_pcmcia_cf_device = {
  80         .name = "bfin_cf_pcmcia",
  81         .id = -1,
  82         .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
  83         .resource = bfin_pcmcia_cf_resources,
  84 };
  85 #endif
  86
  87 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  88 static struct platform_device rtc_device = {
  89         .name = "rtc-bfin",
  90         .id   = -1,
  91 };
  92 #endif
  93
  94 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  95 static struct resource smc91x_resources[] = {
  96         {
  97                 .name = "smc91x-regs",
  98                 .start = 0x20300300,
  99                 .end = 0x20300300 + 16,
 100                 .flags = IORESOURCE_MEM,
 101         }, {
 102
 103                 .start = IRQ_PF7,
 104                 .end = IRQ_PF7,
 105                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 106         },
 107 };
 108 static struct platform_device smc91x_device = {
 109         .name = "smc91x",
 110         .id = 0,
 111         .num_resources = ARRAY_SIZE(smc91x_resources),
 112         .resource = smc91x_resources,
 113 };
 114 #endif
 115
 116 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 117 static struct resource sl811_hcd_resources[] = {
 118         {
 119                 .start = 0x20340000,
 120                 .end = 0x20340000,
 121                 .flags = IORESOURCE_MEM,
 122         }, {
 123                 .start = 0x20340004,
 124                 .end = 0x20340004,
 125                 .flags = IORESOURCE_MEM,
 126         }, {
 127                 .start = CONFIG_USB_SL811_BFIN_IRQ,
 128                 .end = CONFIG_USB_SL811_BFIN_IRQ,
 129                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 130         },
 131 };
 132
 133 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 134 void sl811_port_power(struct device *dev, int is_on)
 135 {
 136         gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
 137         gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
 138
 139 }
 140 #endif
 141
 142 static struct sl811_platform_data sl811_priv = {
 143         .potpg = 10,
 144         .power = 250,       /* == 500mA */
 145 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 146         .port_power = &sl811_port_power,
 147 #endif
 148 };
 149
 150 static struct platform_device sl811_hcd_device = {
 151         .name = "sl811-hcd",
 152         .id = 0,
 153         .dev = {
 154                 .platform_data = &sl811_priv,
 155         },
 156         .num_resources = ARRAY_SIZE(sl811_hcd_resources),
 157         .resource = sl811_hcd_resources,
 158 };
 159 #endif
 160
 161 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 162 static struct resource isp1362_hcd_resources[] = {
 163         {
 164                 .start = 0x20360000,
 165                 .end = 0x20360000,
 166                 .flags = IORESOURCE_MEM,
 167         }, {
 168                 .start = 0x20360004,
 169                 .end = 0x20360004,
 170                 .flags = IORESOURCE_MEM,
 171         }, {
 172                 .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 173                 .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 174                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 175         },
 176 };
 177
 178 static struct isp1362_platform_data isp1362_priv = {
 179         .sel15Kres = 1,
 180         .clknotstop = 0,
 181         .oc_enable = 0,
 182         .int_act_high = 0,
 183         .int_edge_triggered = 0,
 184         .remote_wakeup_connected = 0,
 185         .no_power_switching = 1,
 186         .power_switching_mode = 0,
 187 };
 188
 189 static struct platform_device isp1362_hcd_device = {
 190         .name = "isp1362-hcd",
 191         .id = 0,
 192         .dev = {
 193                 .platform_data = &isp1362_priv,
 194         },
 195         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 196         .resource = isp1362_hcd_resources,
 197 };
 198 #endif
 199
 200 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 201 static struct platform_device bfin_mii_bus = {
 202         .name = "bfin_mii_bus",
 203 };
 204
 205 static struct platform_device bfin_mac_device = {
 206         .name = "bfin_mac",
 207         .dev.platform_data = &bfin_mii_bus,
 208 };
 209 #endif
 210
 211 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 212 static struct resource net2272_bfin_resources[] = {
 213         {
 214                 .start = 0x20300000,
 215                 .end = 0x20300000 + 0x100,
 216                 .flags = IORESOURCE_MEM,
 217         }, {
 218                 .start = IRQ_PF7,
 219                 .end = IRQ_PF7,
 220                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 221         },
 222 };
 223
 224 static struct platform_device net2272_bfin_device = {
 225         .name = "net2272",
 226         .id = -1,
 227         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 228         .resource = net2272_bfin_resources,
 229 };
 230 #endif
 231
 232 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 233 /* all SPI peripherals info goes here */
 234
 235 #if defined(CONFIG_MTD_M25P80) \
 236         || defined(CONFIG_MTD_M25P80_MODULE)
 237 static struct mtd_partition bfin_spi_flash_partitions[] = {
 238         {
 239                 .name = "bootloader(spi)",
 240                 .size = 0x00020000,
 241                 .offset = 0,
 242                 .mask_flags = MTD_CAP_ROM
 243         }, {
 244                 .name = "linux kernel(spi)",
 245                 .size = 0xe0000,
 246                 .offset = 0x20000
 247         }, {
 248                 .name = "file system(spi)",
 249                 .size = 0x700000,
 250                 .offset = 0x00100000,
 251         }
 252 };
 253
 254 static struct flash_platform_data bfin_spi_flash_data = {
 255         .name = "m25p80",
 256         .parts = bfin_spi_flash_partitions,
 257         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 258         .type = "m25p64",
 259 };
 260
 261 /* SPI flash chip (m25p64) */
 262 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 263         .enable_dma = 0,         /* use dma transfer with this chip*/
 264         .bits_per_word = 8,
 265 };
 266 #endif
 267
 268 #if defined(CONFIG_BFIN_SPI_ADC) \
 269         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 270 /* SPI ADC chip */
 271 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 272         .enable_dma = 1,         /* use dma transfer with this chip*/
 273         .bits_per_word = 16,
 274 };
 275 #endif
 276
 277 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 278         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 279 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 280         .enable_dma = 0,
 281         .bits_per_word = 16,
 282 };
 283 #endif
 284
 285 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 286 static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
 287         .enable_dma = 0,
 288         .bits_per_word = 16,
 289 };
 290 #endif
 291
 292 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 293 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 294         .enable_dma = 0,
 295         .bits_per_word = 8,
 296 };
 297 #endif
 298
 299 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 300 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 301         .cs_change_per_word = 0,
 302         .enable_dma = 0,
 303         .bits_per_word = 16,
 304 };
 305
 306 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 307         .model                  = 7877,
 308         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 309         .x_plate_ohms           = 419,
 310         .y_plate_ohms           = 486,
 311         .pressure_max           = 1000,
 312         .pressure_min           = 0,
 313         .stopacq_polarity       = 1,
 314         .first_conversion_delay = 3,
 315         .acquisition_time       = 1,
 316         .averaging              = 1,
 317         .pen_down_acc_interval  = 1,
 318 };
 319 #endif
 320
 321 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 322 #if defined(CONFIG_MTD_M25P80) \
 323         || defined(CONFIG_MTD_M25P80_MODULE)
 324         {
 325                 /* the modalias must be the same as spi device driver name */
 326                 .modalias = "m25p80", /* Name of spi_driver for this device */
 327                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 328                 .bus_num = 0, /* Framework bus number */
 329                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 330                 .platform_data = &bfin_spi_flash_data,
 331                 .controller_data = &spi_flash_chip_info,
 332                 .mode = SPI_MODE_3,
 333         },
 334 #endif
 335
 336 #if defined(CONFIG_BFIN_SPI_ADC) \
 337         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 338         {
 339                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 340                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 341                 .bus_num = 0, /* Framework bus number */
 342                 .chip_select = 1, /* Framework chip select. */
 343                 .platform_data = NULL, /* No spi_driver specific config */
 344                 .controller_data = &spi_adc_chip_info,
 345         },
 346 #endif
 347
 348 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 349         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 350         {
 351                 .modalias = "ad1836-spi",
 352                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 353                 .bus_num = 0,
 354                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 355                 .controller_data = &ad1836_spi_chip_info,
 356         },
 357 #endif
 358 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 359         {
 360                 .modalias = "ad9960-spi",
 361                 .max_speed_hz = 10000000,     /* max spi clock (SCK) speed in HZ */
 362                 .bus_num = 0,
 363                 .chip_select = 1,
 364                 .controller_data = &ad9960_spi_chip_info,
 365         },
 366 #endif
 367 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 368         {
 369                 .modalias = "mmc_spi",
 370                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 371                 .bus_num = 0,
 372                 .chip_select = 5,
 373                 .controller_data = &mmc_spi_chip_info,
 374                 .mode = SPI_MODE_3,
 375         },
 376 #endif
 377 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 378 {
 379         .modalias               = "ad7877",
 380         .platform_data          = &bfin_ad7877_ts_info,
 381         .irq                    = IRQ_PF2,
 382         .max_speed_hz           = 12500000,     /* max spi clock (SCK) speed in HZ */
 383         .bus_num                = 0,
 384         .chip_select            = 5,
 385         .controller_data = &spi_ad7877_chip_info,
 386 },
 387 #endif
 388
 389 };
 390
 391 /* SPI (0) */
 392 static struct resource bfin_spi0_resource[] = {
 393         [0] = {
 394                 .start = SPI0_REGBASE,
 395                 .end   = SPI0_REGBASE + 0xFF,
 396                 .flags = IORESOURCE_MEM,
 397                 },
 398         [1] = {
 399                 .start = CH_SPI,
 400                 .end   = CH_SPI,
 401                 .flags = IORESOURCE_IRQ,
 402         }
 403 };
 404
 405 /* SPI controller data */
 406 static struct bfin5xx_spi_master bfin_spi0_info = {
 407         .num_chipselect = 8,
 408         .enable_dma = 1,  /* master has the ability to do dma transfer */
 409         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 410 };
 411
 412 static struct platform_device bfin_spi0_device = {
 413         .name = "bfin-spi",
 414         .id = 0, /* Bus number */
 415         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 416         .resource = bfin_spi0_resource,
 417         .dev = {
 418                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 419         },
 420 };
 421 #endif  /* spi master and devices */
 422
 423 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 424 static struct platform_device bfin_fb_device = {
 425         .name = "bf537-lq035",
 426 };
 427 #endif
 428
 429 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 430 static struct resource bfin_uart_resources[] = {
 431         {
 432                 .start = 0xFFC00400,
 433                 .end = 0xFFC004FF,
 434                 .flags = IORESOURCE_MEM,
 435         }, {
 436                 .start = 0xFFC02000,
 437                 .end = 0xFFC020FF,
 438                 .flags = IORESOURCE_MEM,
 439         },
 440 };
 441
 442 static struct platform_device bfin_uart_device = {
 443         .name = "bfin-uart",
 444         .id = 1,
 445         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 446         .resource = bfin_uart_resources,
 447 };
 448 #endif
 449
 450 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 451 #ifdef CONFIG_BFIN_SIR0
 452 static struct resource bfin_sir0_resources[] = {
 453         {
 454                 .start = 0xFFC00400,
 455                 .end = 0xFFC004FF,
 456                 .flags = IORESOURCE_MEM,
 457         },
 458         {
 459                 .start = IRQ_UART0_RX,
 460                 .end = IRQ_UART0_RX+1,
 461                 .flags = IORESOURCE_IRQ,
 462         },
 463         {
 464                 .start = CH_UART0_RX,
 465                 .end = CH_UART0_RX+1,
 466                 .flags = IORESOURCE_DMA,
 467         },
 468 };
 469
 470 static struct platform_device bfin_sir0_device = {
 471         .name = "bfin_sir",
 472         .id = 0,
 473         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 474         .resource = bfin_sir0_resources,
 475 };
 476 #endif
 477 #ifdef CONFIG_BFIN_SIR1
 478 static struct resource bfin_sir1_resources[] = {
 479         {
 480                 .start = 0xFFC02000,
 481                 .end = 0xFFC020FF,
 482                 .flags = IORESOURCE_MEM,
 483         },
 484         {
 485                 .start = IRQ_UART1_RX,
 486                 .end = IRQ_UART1_RX+1,
 487                 .flags = IORESOURCE_IRQ,
 488         },
 489         {
 490                 .start = CH_UART1_RX,
 491                 .end = CH_UART1_RX+1,
 492                 .flags = IORESOURCE_DMA,
 493         },
 494 };
 495
 496 static struct platform_device bfin_sir1_device = {
 497         .name = "bfin_sir",
 498         .id = 1,
 499         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 500         .resource = bfin_sir1_resources,
 501 };
 502 #endif
 503 #endif
 504
 505 static struct platform_device *stamp_devices[] __initdata = {
 506 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 507         &bfin_pcmcia_cf_device,
 508 #endif
 509
 510 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 511         &rtc_device,
 512 #endif
 513
 514 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 515         &sl811_hcd_device,
 516 #endif
 517
 518 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 519         &isp1362_hcd_device,
 520 #endif
 521
 522 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 523         &smc91x_device,
 524 #endif
 525
 526 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 527         &bfin_mii_bus,
 528         &bfin_mac_device,
 529 #endif
 530
 531 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 532         &net2272_bfin_device,
 533 #endif
 534
 535 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 536         &bfin_spi0_device,
 537 #endif
 538
 539 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 540         &bfin_fb_device,
 541 #endif
 542
 543 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 544         &bfin_uart_device,
 545 #endif
 546
 547 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 548 #ifdef CONFIG_BFIN_SIR0
 549         &bfin_sir0_device,
 550 #endif
 551 #ifdef CONFIG_BFIN_SIR1
 552         &bfin_sir1_device,
 553 #endif
 554 #endif
 555 };
 556
 557 static int __init pnav_init(void)
 558 {
 559         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 560         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 561 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 562         spi_register_board_info(bfin_spi_board_info,
 563                                 ARRAY_SIZE(bfin_spi_board_info));
 564 #endif
 565         return 0;
 566 }
 567
 568 arch_initcall(pnav_init);
 569
 570 void bfin_get_ether_addr(char *addr)
 571 {
 572         random_ether_addr(addr);
 573         printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
 574 }
 575 EXPORT_SYMBOL(bfin_get_ether_addr);