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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 #include <linux/smc91x.h>
  96
  97 static struct smc91x_platdata smc91x_info = {
  98         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  99         .leda = RPC_LED_100_10,
 100         .ledb = RPC_LED_TX_RX,
 101 };
 102
 103 static struct resource smc91x_resources[] = {
 104         {
 105                 .name = "smc91x-regs",
 106                 .start = 0x20300300,
 107                 .end = 0x20300300 + 16,
 108                 .flags = IORESOURCE_MEM,
 109         }, {
 110
 111                 .start = IRQ_PF7,
 112                 .end = IRQ_PF7,
 113                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 114         },
 115 };
 116 static struct platform_device smc91x_device = {
 117         .name = "smc91x",
 118         .id = 0,
 119         .num_resources = ARRAY_SIZE(smc91x_resources),
 120         .resource = smc91x_resources,
 121         .dev    = {
 122                 .platform_data  = &smc91x_info,
 123         },
 124 };
 125 #endif
 126
 127 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 128 static struct resource sl811_hcd_resources[] = {
 129         {
 130                 .start = 0x20340000,
 131                 .end = 0x20340000,
 132                 .flags = IORESOURCE_MEM,
 133         }, {
 134                 .start = 0x20340004,
 135                 .end = 0x20340004,
 136                 .flags = IORESOURCE_MEM,
 137         }, {
 138                 .start = CONFIG_USB_SL811_BFIN_IRQ,
 139                 .end = CONFIG_USB_SL811_BFIN_IRQ,
 140                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 141         },
 142 };
 143
 144 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 145 void sl811_port_power(struct device *dev, int is_on)
 146 {
 147         gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
 148         gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
 149
 150 }
 151 #endif
 152
 153 static struct sl811_platform_data sl811_priv = {
 154         .potpg = 10,
 155         .power = 250,       /* == 500mA */
 156 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 157         .port_power = &sl811_port_power,
 158 #endif
 159 };
 160
 161 static struct platform_device sl811_hcd_device = {
 162         .name = "sl811-hcd",
 163         .id = 0,
 164         .dev = {
 165                 .platform_data = &sl811_priv,
 166         },
 167         .num_resources = ARRAY_SIZE(sl811_hcd_resources),
 168         .resource = sl811_hcd_resources,
 169 };
 170 #endif
 171
 172 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 173 static struct resource isp1362_hcd_resources[] = {
 174         {
 175                 .start = 0x20360000,
 176                 .end = 0x20360000,
 177                 .flags = IORESOURCE_MEM,
 178         }, {
 179                 .start = 0x20360004,
 180                 .end = 0x20360004,
 181                 .flags = IORESOURCE_MEM,
 182         }, {
 183                 .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 184                 .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 185                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 186         },
 187 };
 188
 189 static struct isp1362_platform_data isp1362_priv = {
 190         .sel15Kres = 1,
 191         .clknotstop = 0,
 192         .oc_enable = 0,
 193         .int_act_high = 0,
 194         .int_edge_triggered = 0,
 195         .remote_wakeup_connected = 0,
 196         .no_power_switching = 1,
 197         .power_switching_mode = 0,
 198 };
 199
 200 static struct platform_device isp1362_hcd_device = {
 201         .name = "isp1362-hcd",
 202         .id = 0,
 203         .dev = {
 204                 .platform_data = &isp1362_priv,
 205         },
 206         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 207         .resource = isp1362_hcd_resources,
 208 };
 209 #endif
 210
 211 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 212 static struct platform_device bfin_mii_bus = {
 213         .name = "bfin_mii_bus",
 214 };
 215
 216 static struct platform_device bfin_mac_device = {
 217         .name = "bfin_mac",
 218         .dev.platform_data = &bfin_mii_bus,
 219 };
 220 #endif
 221
 222 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 223 static struct resource net2272_bfin_resources[] = {
 224         {
 225                 .start = 0x20300000,
 226                 .end = 0x20300000 + 0x100,
 227                 .flags = IORESOURCE_MEM,
 228         }, {
 229                 .start = IRQ_PF7,
 230                 .end = IRQ_PF7,
 231                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 232         },
 233 };
 234
 235 static struct platform_device net2272_bfin_device = {
 236         .name = "net2272",
 237         .id = -1,
 238         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 239         .resource = net2272_bfin_resources,
 240 };
 241 #endif
 242
 243 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 244 /* all SPI peripherals info goes here */
 245
 246 #if defined(CONFIG_MTD_M25P80) \
 247         || defined(CONFIG_MTD_M25P80_MODULE)
 248 static struct mtd_partition bfin_spi_flash_partitions[] = {
 249         {
 250                 .name = "bootloader(spi)",
 251                 .size = 0x00020000,
 252                 .offset = 0,
 253                 .mask_flags = MTD_CAP_ROM
 254         }, {
 255                 .name = "linux kernel(spi)",
 256                 .size = 0xe0000,
 257                 .offset = 0x20000
 258         }, {
 259                 .name = "file system(spi)",
 260                 .size = 0x700000,
 261                 .offset = 0x00100000,
 262         }
 263 };
 264
 265 static struct flash_platform_data bfin_spi_flash_data = {
 266         .name = "m25p80",
 267         .parts = bfin_spi_flash_partitions,
 268         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 269         .type = "m25p64",
 270 };
 271
 272 /* SPI flash chip (m25p64) */
 273 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 274         .enable_dma = 0,         /* use dma transfer with this chip*/
 275         .bits_per_word = 8,
 276 };
 277 #endif
 278
 279 #if defined(CONFIG_BFIN_SPI_ADC) \
 280         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 281 /* SPI ADC chip */
 282 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 283         .enable_dma = 1,         /* use dma transfer with this chip*/
 284         .bits_per_word = 16,
 285 };
 286 #endif
 287
 288 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 289         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 290 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 291         .enable_dma = 0,
 292         .bits_per_word = 16,
 293 };
 294 #endif
 295
 296 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 297 static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
 298         .enable_dma = 0,
 299         .bits_per_word = 16,
 300 };
 301 #endif
 302
 303 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 304 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 305         .enable_dma = 0,
 306         .bits_per_word = 8,
 307 };
 308 #endif
 309
 310 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 311 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 312         .cs_change_per_word = 0,
 313         .enable_dma = 0,
 314         .bits_per_word = 16,
 315 };
 316
 317 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 318         .model                  = 7877,
 319         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 320         .x_plate_ohms           = 419,
 321         .y_plate_ohms           = 486,
 322         .pressure_max           = 1000,
 323         .pressure_min           = 0,
 324         .stopacq_polarity       = 1,
 325         .first_conversion_delay = 3,
 326         .acquisition_time       = 1,
 327         .averaging              = 1,
 328         .pen_down_acc_interval  = 1,
 329 };
 330 #endif
 331
 332 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 333 #if defined(CONFIG_MTD_M25P80) \
 334         || defined(CONFIG_MTD_M25P80_MODULE)
 335         {
 336                 /* the modalias must be the same as spi device driver name */
 337                 .modalias = "m25p80", /* Name of spi_driver for this device */
 338                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 339                 .bus_num = 0, /* Framework bus number */
 340                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 341                 .platform_data = &bfin_spi_flash_data,
 342                 .controller_data = &spi_flash_chip_info,
 343                 .mode = SPI_MODE_3,
 344         },
 345 #endif
 346
 347 #if defined(CONFIG_BFIN_SPI_ADC) \
 348         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 349         {
 350                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 351                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 352                 .bus_num = 0, /* Framework bus number */
 353                 .chip_select = 1, /* Framework chip select. */
 354                 .platform_data = NULL, /* No spi_driver specific config */
 355                 .controller_data = &spi_adc_chip_info,
 356         },
 357 #endif
 358
 359 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 360         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 361         {
 362                 .modalias = "ad1836-spi",
 363                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 364                 .bus_num = 0,
 365                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 366                 .controller_data = &ad1836_spi_chip_info,
 367         },
 368 #endif
 369 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 370         {
 371                 .modalias = "ad9960-spi",
 372                 .max_speed_hz = 10000000,     /* max spi clock (SCK) speed in HZ */
 373                 .bus_num = 0,
 374                 .chip_select = 1,
 375                 .controller_data = &ad9960_spi_chip_info,
 376         },
 377 #endif
 378 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 379         {
 380                 .modalias = "mmc_spi",
 381                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 382                 .bus_num = 0,
 383                 .chip_select = 5,
 384                 .controller_data = &mmc_spi_chip_info,
 385                 .mode = SPI_MODE_3,
 386         },
 387 #endif
 388 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 389 {
 390         .modalias               = "ad7877",
 391         .platform_data          = &bfin_ad7877_ts_info,
 392         .irq                    = IRQ_PF2,
 393         .max_speed_hz           = 12500000,     /* max spi clock (SCK) speed in HZ */
 394         .bus_num                = 0,
 395         .chip_select            = 5,
 396         .controller_data = &spi_ad7877_chip_info,
 397 },
 398 #endif
 399
 400 };
 401
 402 /* SPI (0) */
 403 static struct resource bfin_spi0_resource[] = {
 404         [0] = {
 405                 .start = SPI0_REGBASE,
 406                 .end   = SPI0_REGBASE + 0xFF,
 407                 .flags = IORESOURCE_MEM,
 408                 },
 409         [1] = {
 410                 .start = CH_SPI,
 411                 .end   = CH_SPI,
 412                 .flags = IORESOURCE_DMA,
 413         },
 414         [2] = {
 415                 .start = IRQ_SPI,
 416                 .end   = IRQ_SPI,
 417                 .flags = IORESOURCE_IRQ,
 418         },
 419 };
 420
 421 /* SPI controller data */
 422 static struct bfin5xx_spi_master bfin_spi0_info = {
 423         .num_chipselect = 8,
 424         .enable_dma = 1,  /* master has the ability to do dma transfer */
 425         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 426 };
 427
 428 static struct platform_device bfin_spi0_device = {
 429         .name = "bfin-spi",
 430         .id = 0, /* Bus number */
 431         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 432         .resource = bfin_spi0_resource,
 433         .dev = {
 434                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 435         },
 436 };
 437 #endif  /* spi master and devices */
 438
 439 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 440 static struct platform_device bfin_fb_device = {
 441         .name = "bf537-lq035",
 442 };
 443 #endif
 444
 445 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 446 static struct resource bfin_uart_resources[] = {
 447         {
 448                 .start = 0xFFC00400,
 449                 .end = 0xFFC004FF,
 450                 .flags = IORESOURCE_MEM,
 451         }, {
 452                 .start = 0xFFC02000,
 453                 .end = 0xFFC020FF,
 454                 .flags = IORESOURCE_MEM,
 455         },
 456 };
 457
 458 static struct platform_device bfin_uart_device = {
 459         .name = "bfin-uart",
 460         .id = 1,
 461         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 462         .resource = bfin_uart_resources,
 463 };
 464 #endif
 465
 466 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 467 #ifdef CONFIG_BFIN_SIR0
 468 static struct resource bfin_sir0_resources[] = {
 469         {
 470                 .start = 0xFFC00400,
 471                 .end = 0xFFC004FF,
 472                 .flags = IORESOURCE_MEM,
 473         },
 474         {
 475                 .start = IRQ_UART0_RX,
 476                 .end = IRQ_UART0_RX+1,
 477                 .flags = IORESOURCE_IRQ,
 478         },
 479         {
 480                 .start = CH_UART0_RX,
 481                 .end = CH_UART0_RX+1,
 482                 .flags = IORESOURCE_DMA,
 483         },
 484 };
 485
 486 static struct platform_device bfin_sir0_device = {
 487         .name = "bfin_sir",
 488         .id = 0,
 489         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 490         .resource = bfin_sir0_resources,
 491 };
 492 #endif
 493 #ifdef CONFIG_BFIN_SIR1
 494 static struct resource bfin_sir1_resources[] = {
 495         {
 496                 .start = 0xFFC02000,
 497                 .end = 0xFFC020FF,
 498                 .flags = IORESOURCE_MEM,
 499         },
 500         {
 501                 .start = IRQ_UART1_RX,
 502                 .end = IRQ_UART1_RX+1,
 503                 .flags = IORESOURCE_IRQ,
 504         },
 505         {
 506                 .start = CH_UART1_RX,
 507                 .end = CH_UART1_RX+1,
 508                 .flags = IORESOURCE_DMA,
 509         },
 510 };
 511
 512 static struct platform_device bfin_sir1_device = {
 513         .name = "bfin_sir",
 514         .id = 1,
 515         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 516         .resource = bfin_sir1_resources,
 517 };
 518 #endif
 519 #endif
 520
 521 static struct platform_device *stamp_devices[] __initdata = {
 522 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 523         &bfin_pcmcia_cf_device,
 524 #endif
 525
 526 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 527         &rtc_device,
 528 #endif
 529
 530 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 531         &sl811_hcd_device,
 532 #endif
 533
 534 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 535         &isp1362_hcd_device,
 536 #endif
 537
 538 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 539         &smc91x_device,
 540 #endif
 541
 542 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 543         &bfin_mii_bus,
 544         &bfin_mac_device,
 545 #endif
 546
 547 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 548         &net2272_bfin_device,
 549 #endif
 550
 551 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 552         &bfin_spi0_device,
 553 #endif
 554
 555 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 556         &bfin_fb_device,
 557 #endif
 558
 559 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 560         &bfin_uart_device,
 561 #endif
 562
 563 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 564 #ifdef CONFIG_BFIN_SIR0
 565         &bfin_sir0_device,
 566 #endif
 567 #ifdef CONFIG_BFIN_SIR1
 568         &bfin_sir1_device,
 569 #endif
 570 #endif
 571 };
 572
 573 static int __init pnav_init(void)
 574 {
 575         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 576         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 577 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 578         spi_register_board_info(bfin_spi_board_info,
 579                                 ARRAY_SIZE(bfin_spi_board_info));
 580 #endif
 581         return 0;
 582 }
 583
 584 arch_initcall(pnav_init);
 585
 586 void bfin_get_ether_addr(char *addr)
 587 {
 588         random_ether_addr(addr);
 589         printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
 590 }
 591 EXPORT_SYMBOL(bfin_get_ether_addr);