arch/blackfin/mach-bf537/boards/minotaur.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *           2008-2009 Cambridge Signal Processing
   4  *                2005 National ICT Australia (NICTA)
   5  *                      Aidan Williams <aidan@nicta.com.au>
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #include <linux/device.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  17 #include <linux/usb/isp1362.h>
  18 #endif
  19 #include <linux/ata_platform.h>
  20 #include <linux/irq.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/usb/sl811.h>
  23 #include <asm/dma.h>
  24 #include <asm/bfin5xx_spi.h>
  25 #include <asm/reboot.h>
  26 #include <asm/portmux.h>
  27 #include <linux/spi/ad7877.h>
  28
  29 /*
  30  * Name the Board for the /proc/cpuinfo
  31  */
  32 const char bfin_board_name[] = "CamSig Minotaur BF537";
  33
  34 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
  35 static struct resource bfin_pcmcia_cf_resources[] = {
  36         {
  37                 .start = 0x20310000, /* IO PORT */
  38                 .end = 0x20312000,
  39                 .flags = IORESOURCE_MEM,
  40         }, {
  41                 .start = 0x20311000, /* Attribute Memory */
  42                 .end = 0x20311FFF,
  43                 .flags = IORESOURCE_MEM,
  44         }, {
  45                 .start = IRQ_PF4,
  46                 .end = IRQ_PF4,
  47                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  48         }, {
  49                 .start = IRQ_PF6, /* Card Detect PF6 */
  50                 .end = IRQ_PF6,
  51                 .flags = IORESOURCE_IRQ,
  52         },
  53 };
  54
  55 static struct platform_device bfin_pcmcia_cf_device = {
  56         .name = "bfin_cf_pcmcia",
  57         .id = -1,
  58         .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
  59         .resource = bfin_pcmcia_cf_resources,
  60 };
  61 #endif
  62
  63 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  64 static struct platform_device rtc_device = {
  65         .name = "rtc-bfin",
  66         .id   = -1,
  67 };
  68 #endif
  69
  70 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
  71 #include <linux/bfin_mac.h>
  72 static const unsigned short bfin_mac_peripherals[] = P_MII0;
  73
  74 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
  75         {
  76                 .addr = 1,
  77                 .irq = IRQ_MAC_PHYINT,
  78         },
  79 };
  80
  81 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
  82         .phydev_number = 1,
  83         .phydev_data = bfin_phydev_data,
  84         .phy_mode = PHY_INTERFACE_MODE_MII,
  85         .mac_peripherals = bfin_mac_peripherals,
  86 };
  87
  88 static struct platform_device bfin_mii_bus = {
  89         .name = "bfin_mii_bus",
  90         .dev = {
  91                 .platform_data = &bfin_mii_bus_data,
  92         }
  93 };
  94
  95 static struct platform_device bfin_mac_device = {
  96         .name = "bfin_mac",
  97         .dev = {
  98                 .platform_data = &bfin_mii_bus,
  99         }
 100 };
 101 #endif
 102
 103 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 104 static struct resource net2272_bfin_resources[] = {
 105         {
 106                 .start = 0x20300000,
 107                 .end = 0x20300000 + 0x100,
 108                 .flags = IORESOURCE_MEM,
 109         }, {
 110                 .start = IRQ_PF7,
 111                 .end = IRQ_PF7,
 112                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 113         },
 114 };
 115
 116 static struct platform_device net2272_bfin_device = {
 117         .name = "net2272",
 118         .id = -1,
 119         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 120         .resource = net2272_bfin_resources,
 121 };
 122 #endif
 123
 124 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 125 /* all SPI peripherals info goes here */
 126
 127 #if defined(CONFIG_MTD_M25P80) \
 128         || defined(CONFIG_MTD_M25P80_MODULE)
 129
 130 /* Partition sizes */
 131 #define FLASH_SIZE       0x00400000
 132 #define PSIZE_UBOOT      0x00030000
 133 #define PSIZE_INITRAMFS  0x00240000
 134
 135 static struct mtd_partition bfin_spi_flash_partitions[] = {
 136         {
 137                 .name       = "bootloader(spi)",
 138                 .size       = PSIZE_UBOOT,
 139                 .offset     = 0x000000,
 140                 .mask_flags = MTD_CAP_ROM
 141         }, {
 142                 .name       = "initramfs(spi)",
 143                 .size       = PSIZE_INITRAMFS,
 144                 .offset     = PSIZE_UBOOT
 145         }, {
 146                 .name       = "opt(spi)",
 147                 .size       = FLASH_SIZE - (PSIZE_UBOOT + PSIZE_INITRAMFS),
 148                 .offset     = PSIZE_UBOOT + PSIZE_INITRAMFS,
 149         }
 150 };
 151
 152 static struct flash_platform_data bfin_spi_flash_data = {
 153         .name = "m25p80",
 154         .parts = bfin_spi_flash_partitions,
 155         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 156         .type = "m25p64",
 157 };
 158
 159 /* SPI flash chip (m25p64) */
 160 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 161         .enable_dma = 0,         /* use dma transfer with this chip*/
 162 };
 163 #endif
 164
 165 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 166 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 167         .enable_dma = 0,
 168 };
 169 #endif
 170
 171 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 172 #if defined(CONFIG_MTD_M25P80) \
 173         || defined(CONFIG_MTD_M25P80_MODULE)
 174         {
 175                 /* the modalias must be the same as spi device driver name */
 176                 .modalias = "m25p80", /* Name of spi_driver for this device */
 177                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 178                 .bus_num = 0, /* Framework bus number */
 179                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 180                 .platform_data = &bfin_spi_flash_data,
 181                 .controller_data = &spi_flash_chip_info,
 182                 .mode = SPI_MODE_3,
 183         },
 184 #endif
 185
 186 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 187         {
 188                 .modalias = "mmc_spi",
 189                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 190                 .bus_num = 0,
 191                 .chip_select = 5,
 192                 .controller_data = &mmc_spi_chip_info,
 193                 .mode = SPI_MODE_3,
 194         },
 195 #endif
 196 };
 197
 198 /* SPI controller data */
 199 static struct bfin5xx_spi_master bfin_spi0_info = {
 200         .num_chipselect = 8,
 201         .enable_dma = 1,  /* master has the ability to do dma transfer */
 202 };
 203
 204 /* SPI (0) */
 205 static struct resource bfin_spi0_resource[] = {
 206         [0] = {
 207                 .start = SPI0_REGBASE,
 208                 .end   = SPI0_REGBASE + 0xFF,
 209                 .flags = IORESOURCE_MEM,
 210                 },
 211         [1] = {
 212                 .start = CH_SPI,
 213                 .end   = CH_SPI,
 214                 .flags = IORESOURCE_DMA,
 215         },
 216         [2] = {
 217                 .start = IRQ_SPI,
 218                 .end   = IRQ_SPI,
 219                 .flags = IORESOURCE_IRQ,
 220         },
 221 };
 222
 223 static struct platform_device bfin_spi0_device = {
 224         .name = "bfin-spi",
 225         .id = 0, /* Bus number */
 226         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 227         .resource = bfin_spi0_resource,
 228         .dev = {
 229                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 230         },
 231 };
 232 #endif  /* spi master and devices */
 233
 234 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 235 #ifdef CONFIG_SERIAL_BFIN_UART0
 236 static struct resource bfin_uart0_resources[] = {
 237         {
 238                 .start = UART0_THR,
 239                 .end = UART0_GCTL+2,
 240                 .flags = IORESOURCE_MEM,
 241         },
 242         {
 243                 .start = IRQ_UART0_RX,
 244                 .end = IRQ_UART0_RX+1,
 245                 .flags = IORESOURCE_IRQ,
 246         },
 247         {
 248                 .start = IRQ_UART0_ERROR,
 249                 .end = IRQ_UART0_ERROR,
 250                 .flags = IORESOURCE_IRQ,
 251         },
 252         {
 253                 .start = CH_UART0_TX,
 254                 .end = CH_UART0_TX,
 255                 .flags = IORESOURCE_DMA,
 256         },
 257         {
 258                 .start = CH_UART0_RX,
 259                 .end = CH_UART0_RX,
 260                 .flags = IORESOURCE_DMA,
 261         },
 262 };
 263
 264 static unsigned short bfin_uart0_peripherals[] = {
 265         P_UART0_TX, P_UART0_RX, 0
 266 };
 267
 268 static struct platform_device bfin_uart0_device = {
 269         .name = "bfin-uart",
 270         .id = 0,
 271         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 272         .resource = bfin_uart0_resources,
 273         .dev = {
 274                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 275         },
 276 };
 277 #endif
 278 #ifdef CONFIG_SERIAL_BFIN_UART1
 279 static struct resource bfin_uart1_resources[] = {
 280         {
 281                 .start = UART1_THR,
 282                 .end = UART1_GCTL+2,
 283                 .flags = IORESOURCE_MEM,
 284         },
 285         {
 286                 .start = IRQ_UART1_RX,
 287                 .end = IRQ_UART1_RX+1,
 288                 .flags = IORESOURCE_IRQ,
 289         },
 290         {
 291                 .start = IRQ_UART1_ERROR,
 292                 .end = IRQ_UART1_ERROR,
 293                 .flags = IORESOURCE_IRQ,
 294         },
 295         {
 296                 .start = CH_UART1_TX,
 297                 .end = CH_UART1_TX,
 298                 .flags = IORESOURCE_DMA,
 299         },
 300         {
 301                 .start = CH_UART1_RX,
 302                 .end = CH_UART1_RX,
 303                 .flags = IORESOURCE_DMA,
 304         },
 305 };
 306
 307 static unsigned short bfin_uart1_peripherals[] = {
 308         P_UART1_TX, P_UART1_RX, 0
 309 };
 310
 311 static struct platform_device bfin_uart1_device = {
 312         .name = "bfin-uart",
 313         .id = 1,
 314         .num_resources = ARRAY_SIZE(bfin_uart1_resources),
 315         .resource = bfin_uart1_resources,
 316         .dev = {
 317                 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
 318         },
 319 };
 320 #endif
 321 #endif
 322
 323 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 324 #ifdef CONFIG_BFIN_SIR0
 325 static struct resource bfin_sir0_resources[] = {
 326         {
 327                 .start = 0xFFC00400,
 328                 .end = 0xFFC004FF,
 329                 .flags = IORESOURCE_MEM,
 330         },
 331         {
 332                 .start = IRQ_UART0_RX,
 333                 .end = IRQ_UART0_RX+1,
 334                 .flags = IORESOURCE_IRQ,
 335         },
 336         {
 337                 .start = CH_UART0_RX,
 338                 .end = CH_UART0_RX+1,
 339                 .flags = IORESOURCE_DMA,
 340         },
 341 };
 342
 343 static struct platform_device bfin_sir0_device = {
 344         .name = "bfin_sir",
 345         .id = 0,
 346         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 347         .resource = bfin_sir0_resources,
 348 };
 349 #endif
 350 #ifdef CONFIG_BFIN_SIR1
 351 static struct resource bfin_sir1_resources[] = {
 352         {
 353                 .start = 0xFFC02000,
 354                 .end = 0xFFC020FF,
 355                 .flags = IORESOURCE_MEM,
 356         },
 357         {
 358                 .start = IRQ_UART1_RX,
 359                 .end = IRQ_UART1_RX+1,
 360                 .flags = IORESOURCE_IRQ,
 361         },
 362         {
 363                 .start = CH_UART1_RX,
 364                 .end = CH_UART1_RX+1,
 365                 .flags = IORESOURCE_DMA,
 366         },
 367 };
 368
 369 static struct platform_device bfin_sir1_device = {
 370         .name = "bfin_sir",
 371         .id = 1,
 372         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 373         .resource = bfin_sir1_resources,
 374 };
 375 #endif
 376 #endif
 377
 378 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 379 static struct resource bfin_twi0_resource[] = {
 380         [0] = {
 381                 .start = TWI0_REGBASE,
 382                 .end   = TWI0_REGBASE + 0xFF,
 383                 .flags = IORESOURCE_MEM,
 384         },
 385         [1] = {
 386                 .start = IRQ_TWI,
 387                 .end   = IRQ_TWI,
 388                 .flags = IORESOURCE_IRQ,
 389         },
 390 };
 391
 392 static struct platform_device i2c_bfin_twi_device = {
 393         .name = "i2c-bfin-twi",
 394         .id = 0,
 395         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 396         .resource = bfin_twi0_resource,
 397 };
 398 #endif
 399
 400 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 401 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 402 static struct resource bfin_sport0_uart_resources[] = {
 403         {
 404                 .start = SPORT0_TCR1,
 405                 .end = SPORT0_MRCS3+4,
 406                 .flags = IORESOURCE_MEM,
 407         },
 408         {
 409                 .start = IRQ_SPORT0_RX,
 410                 .end = IRQ_SPORT0_RX+1,
 411                 .flags = IORESOURCE_IRQ,
 412         },
 413         {
 414                 .start = IRQ_SPORT0_ERROR,
 415                 .end = IRQ_SPORT0_ERROR,
 416                 .flags = IORESOURCE_IRQ,
 417         },
 418 };
 419
 420 static unsigned short bfin_sport0_peripherals[] = {
 421         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 422         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 423 };
 424
 425 static struct platform_device bfin_sport0_uart_device = {
 426         .name = "bfin-sport-uart",
 427         .id = 0,
 428         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 429         .resource = bfin_sport0_uart_resources,
 430         .dev = {
 431                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 432         },
 433 };
 434 #endif
 435 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 436 static struct resource bfin_sport1_uart_resources[] = {
 437         {
 438                 .start = SPORT1_TCR1,
 439                 .end = SPORT1_MRCS3+4,
 440                 .flags = IORESOURCE_MEM,
 441         },
 442         {
 443                 .start = IRQ_SPORT1_RX,
 444                 .end = IRQ_SPORT1_RX+1,
 445                 .flags = IORESOURCE_IRQ,
 446         },
 447         {
 448                 .start = IRQ_SPORT1_ERROR,
 449                 .end = IRQ_SPORT1_ERROR,
 450                 .flags = IORESOURCE_IRQ,
 451         },
 452 };
 453
 454 static unsigned short bfin_sport1_peripherals[] = {
 455         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 456         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 457 };
 458
 459 static struct platform_device bfin_sport1_uart_device = {
 460         .name = "bfin-sport-uart",
 461         .id = 1,
 462         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 463         .resource = bfin_sport1_uart_resources,
 464         .dev = {
 465                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 466         },
 467 };
 468 #endif
 469 #endif
 470
 471 static struct platform_device *minotaur_devices[] __initdata = {
 472 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 473         &bfin_pcmcia_cf_device,
 474 #endif
 475
 476 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 477         &rtc_device,
 478 #endif
 479
 480 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 481         &bfin_mii_bus,
 482         &bfin_mac_device,
 483 #endif
 484
 485 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 486         &net2272_bfin_device,
 487 #endif
 488
 489 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 490         &bfin_spi0_device,
 491 #endif
 492
 493 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 494 #ifdef CONFIG_SERIAL_BFIN_UART0
 495         &bfin_uart0_device,
 496 #endif
 497 #ifdef CONFIG_SERIAL_BFIN_UART1
 498         &bfin_uart1_device,
 499 #endif
 500 #endif
 501
 502 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 503 #ifdef CONFIG_BFIN_SIR0
 504         &bfin_sir0_device,
 505 #endif
 506 #ifdef CONFIG_BFIN_SIR1
 507         &bfin_sir1_device,
 508 #endif
 509 #endif
 510
 511 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 512         &i2c_bfin_twi_device,
 513 #endif
 514
 515 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 516 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 517         &bfin_sport0_uart_device,
 518 #endif
 519 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 520         &bfin_sport1_uart_device,
 521 #endif
 522 #endif
 523
 524 };
 525
 526 static int __init minotaur_init(void)
 527 {
 528         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 529         platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
 530 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 531         spi_register_board_info(bfin_spi_board_info,
 532                                 ARRAY_SIZE(bfin_spi_board_info));
 533 #endif
 534
 535         return 0;
 536 }
 537
 538 arch_initcall(minotaur_init);
 539
 540 static struct platform_device *minotaur_early_devices[] __initdata = {
 541 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 542 #ifdef CONFIG_SERIAL_BFIN_UART0
 543         &bfin_uart0_device,
 544 #endif
 545 #ifdef CONFIG_SERIAL_BFIN_UART1
 546         &bfin_uart1_device,
 547 #endif
 548 #endif
 549
 550 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 551 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 552         &bfin_sport0_uart_device,
 553 #endif
 554 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 555         &bfin_sport1_uart_device,
 556 #endif
 557 #endif
 558 };
 559
 560 void __init native_machine_early_platform_add_devices(void)
 561 {
 562         printk(KERN_INFO "register early platform devices\n");
 563         early_platform_add_devices(minotaur_early_devices,
 564                 ARRAY_SIZE(minotaur_early_devices));
 565 }
 566
 567 void native_machine_restart(char *cmd)
 568 {
 569         /* workaround reboot hang when booting from SPI */
 570         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 571                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 572 }