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_TX,
 244                 .end = IRQ_UART0_TX,
 245                 .flags = IORESOURCE_IRQ,
 246         },
 247         {
 248                 .start = IRQ_UART0_RX,
 249                 .end = IRQ_UART0_RX,
 250                 .flags = IORESOURCE_IRQ,
 251         },
 252         {
 253                 .start = IRQ_UART0_ERROR,
 254                 .end = IRQ_UART0_ERROR,
 255                 .flags = IORESOURCE_IRQ,
 256         },
 257         {
 258                 .start = CH_UART0_TX,
 259                 .end = CH_UART0_TX,
 260                 .flags = IORESOURCE_DMA,
 261         },
 262         {
 263                 .start = CH_UART0_RX,
 264                 .end = CH_UART0_RX,
 265                 .flags = IORESOURCE_DMA,
 266         },
 267 };
 268
 269 static unsigned short bfin_uart0_peripherals[] = {
 270         P_UART0_TX, P_UART0_RX, 0
 271 };
 272
 273 static struct platform_device bfin_uart0_device = {
 274         .name = "bfin-uart",
 275         .id = 0,
 276         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 277         .resource = bfin_uart0_resources,
 278         .dev = {
 279                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 280         },
 281 };
 282 #endif
 283 #ifdef CONFIG_SERIAL_BFIN_UART1
 284 static struct resource bfin_uart1_resources[] = {
 285         {
 286                 .start = UART1_THR,
 287                 .end = UART1_GCTL+2,
 288                 .flags = IORESOURCE_MEM,
 289         },
 290         {
 291                 .start = IRQ_UART1_TX,
 292                 .end = IRQ_UART1_TX,
 293                 .flags = IORESOURCE_IRQ,
 294         },
 295         {
 296                 .start = IRQ_UART1_RX,
 297                 .end = IRQ_UART1_RX,
 298                 .flags = IORESOURCE_IRQ,
 299         },
 300         {
 301                 .start = IRQ_UART1_ERROR,
 302                 .end = IRQ_UART1_ERROR,
 303                 .flags = IORESOURCE_IRQ,
 304         },
 305         {
 306                 .start = CH_UART1_TX,
 307                 .end = CH_UART1_TX,
 308                 .flags = IORESOURCE_DMA,
 309         },
 310         {
 311                 .start = CH_UART1_RX,
 312                 .end = CH_UART1_RX,
 313                 .flags = IORESOURCE_DMA,
 314         },
 315 };
 316
 317 static unsigned short bfin_uart1_peripherals[] = {
 318         P_UART1_TX, P_UART1_RX, 0
 319 };
 320
 321 static struct platform_device bfin_uart1_device = {
 322         .name = "bfin-uart",
 323         .id = 1,
 324         .num_resources = ARRAY_SIZE(bfin_uart1_resources),
 325         .resource = bfin_uart1_resources,
 326         .dev = {
 327                 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
 328         },
 329 };
 330 #endif
 331 #endif
 332
 333 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 334 #ifdef CONFIG_BFIN_SIR0
 335 static struct resource bfin_sir0_resources[] = {
 336         {
 337                 .start = 0xFFC00400,
 338                 .end = 0xFFC004FF,
 339                 .flags = IORESOURCE_MEM,
 340         },
 341         {
 342                 .start = IRQ_UART0_RX,
 343                 .end = IRQ_UART0_RX+1,
 344                 .flags = IORESOURCE_IRQ,
 345         },
 346         {
 347                 .start = CH_UART0_RX,
 348                 .end = CH_UART0_RX+1,
 349                 .flags = IORESOURCE_DMA,
 350         },
 351 };
 352
 353 static struct platform_device bfin_sir0_device = {
 354         .name = "bfin_sir",
 355         .id = 0,
 356         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 357         .resource = bfin_sir0_resources,
 358 };
 359 #endif
 360 #ifdef CONFIG_BFIN_SIR1
 361 static struct resource bfin_sir1_resources[] = {
 362         {
 363                 .start = 0xFFC02000,
 364                 .end = 0xFFC020FF,
 365                 .flags = IORESOURCE_MEM,
 366         },
 367         {
 368                 .start = IRQ_UART1_RX,
 369                 .end = IRQ_UART1_RX+1,
 370                 .flags = IORESOURCE_IRQ,
 371         },
 372         {
 373                 .start = CH_UART1_RX,
 374                 .end = CH_UART1_RX+1,
 375                 .flags = IORESOURCE_DMA,
 376         },
 377 };
 378
 379 static struct platform_device bfin_sir1_device = {
 380         .name = "bfin_sir",
 381         .id = 1,
 382         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 383         .resource = bfin_sir1_resources,
 384 };
 385 #endif
 386 #endif
 387
 388 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 389 static struct resource bfin_twi0_resource[] = {
 390         [0] = {
 391                 .start = TWI0_REGBASE,
 392                 .end   = TWI0_REGBASE + 0xFF,
 393                 .flags = IORESOURCE_MEM,
 394         },
 395         [1] = {
 396                 .start = IRQ_TWI,
 397                 .end   = IRQ_TWI,
 398                 .flags = IORESOURCE_IRQ,
 399         },
 400 };
 401
 402 static struct platform_device i2c_bfin_twi_device = {
 403         .name = "i2c-bfin-twi",
 404         .id = 0,
 405         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 406         .resource = bfin_twi0_resource,
 407 };
 408 #endif
 409
 410 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 411 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 412 static struct resource bfin_sport0_uart_resources[] = {
 413         {
 414                 .start = SPORT0_TCR1,
 415                 .end = SPORT0_MRCS3+4,
 416                 .flags = IORESOURCE_MEM,
 417         },
 418         {
 419                 .start = IRQ_SPORT0_RX,
 420                 .end = IRQ_SPORT0_RX+1,
 421                 .flags = IORESOURCE_IRQ,
 422         },
 423         {
 424                 .start = IRQ_SPORT0_ERROR,
 425                 .end = IRQ_SPORT0_ERROR,
 426                 .flags = IORESOURCE_IRQ,
 427         },
 428 };
 429
 430 static unsigned short bfin_sport0_peripherals[] = {
 431         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 432         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 433 };
 434
 435 static struct platform_device bfin_sport0_uart_device = {
 436         .name = "bfin-sport-uart",
 437         .id = 0,
 438         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 439         .resource = bfin_sport0_uart_resources,
 440         .dev = {
 441                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 442         },
 443 };
 444 #endif
 445 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 446 static struct resource bfin_sport1_uart_resources[] = {
 447         {
 448                 .start = SPORT1_TCR1,
 449                 .end = SPORT1_MRCS3+4,
 450                 .flags = IORESOURCE_MEM,
 451         },
 452         {
 453                 .start = IRQ_SPORT1_RX,
 454                 .end = IRQ_SPORT1_RX+1,
 455                 .flags = IORESOURCE_IRQ,
 456         },
 457         {
 458                 .start = IRQ_SPORT1_ERROR,
 459                 .end = IRQ_SPORT1_ERROR,
 460                 .flags = IORESOURCE_IRQ,
 461         },
 462 };
 463
 464 static unsigned short bfin_sport1_peripherals[] = {
 465         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 466         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 467 };
 468
 469 static struct platform_device bfin_sport1_uart_device = {
 470         .name = "bfin-sport-uart",
 471         .id = 1,
 472         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 473         .resource = bfin_sport1_uart_resources,
 474         .dev = {
 475                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 476         },
 477 };
 478 #endif
 479 #endif
 480
 481 static struct platform_device *minotaur_devices[] __initdata = {
 482 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 483         &bfin_pcmcia_cf_device,
 484 #endif
 485
 486 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 487         &rtc_device,
 488 #endif
 489
 490 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 491         &bfin_mii_bus,
 492         &bfin_mac_device,
 493 #endif
 494
 495 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 496         &net2272_bfin_device,
 497 #endif
 498
 499 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 500         &bfin_spi0_device,
 501 #endif
 502
 503 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 504 #ifdef CONFIG_SERIAL_BFIN_UART0
 505         &bfin_uart0_device,
 506 #endif
 507 #ifdef CONFIG_SERIAL_BFIN_UART1
 508         &bfin_uart1_device,
 509 #endif
 510 #endif
 511
 512 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 513 #ifdef CONFIG_BFIN_SIR0
 514         &bfin_sir0_device,
 515 #endif
 516 #ifdef CONFIG_BFIN_SIR1
 517         &bfin_sir1_device,
 518 #endif
 519 #endif
 520
 521 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 522         &i2c_bfin_twi_device,
 523 #endif
 524
 525 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 526 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 527         &bfin_sport0_uart_device,
 528 #endif
 529 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 530         &bfin_sport1_uart_device,
 531 #endif
 532 #endif
 533
 534 };
 535
 536 static int __init minotaur_init(void)
 537 {
 538         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 539         platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
 540 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 541         spi_register_board_info(bfin_spi_board_info,
 542                                 ARRAY_SIZE(bfin_spi_board_info));
 543 #endif
 544
 545         return 0;
 546 }
 547
 548 arch_initcall(minotaur_init);
 549
 550 static struct platform_device *minotaur_early_devices[] __initdata = {
 551 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 552 #ifdef CONFIG_SERIAL_BFIN_UART0
 553         &bfin_uart0_device,
 554 #endif
 555 #ifdef CONFIG_SERIAL_BFIN_UART1
 556         &bfin_uart1_device,
 557 #endif
 558 #endif
 559
 560 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 561 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 562         &bfin_sport0_uart_device,
 563 #endif
 564 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 565         &bfin_sport1_uart_device,
 566 #endif
 567 #endif
 568 };
 569
 570 void __init native_machine_early_platform_add_devices(void)
 571 {
 572         printk(KERN_INFO "register early platform devices\n");
 573         early_platform_add_devices(minotaur_early_devices,
 574                 ARRAY_SIZE(minotaur_early_devices));
 575 }
 576
 577 void native_machine_restart(char *cmd)
 578 {
 579         /* workaround reboot hang when booting from SPI */
 580         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 581                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 582 }