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         .bits_per_word = 8,
 163 };
 164 #endif
 165
 166 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 167 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 168         .enable_dma = 0,
 169         .bits_per_word = 8,
 170 };
 171 #endif
 172
 173 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 174 #if defined(CONFIG_MTD_M25P80) \
 175         || defined(CONFIG_MTD_M25P80_MODULE)
 176         {
 177                 /* the modalias must be the same as spi device driver name */
 178                 .modalias = "m25p80", /* Name of spi_driver for this device */
 179                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 180                 .bus_num = 0, /* Framework bus number */
 181                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 182                 .platform_data = &bfin_spi_flash_data,
 183                 .controller_data = &spi_flash_chip_info,
 184                 .mode = SPI_MODE_3,
 185         },
 186 #endif
 187
 188 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 189         {
 190                 .modalias = "mmc_spi",
 191                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 192                 .bus_num = 0,
 193                 .chip_select = 5,
 194                 .controller_data = &mmc_spi_chip_info,
 195                 .mode = SPI_MODE_3,
 196         },
 197 #endif
 198 };
 199
 200 /* SPI controller data */
 201 static struct bfin5xx_spi_master bfin_spi0_info = {
 202         .num_chipselect = 8,
 203         .enable_dma = 1,  /* master has the ability to do dma transfer */
 204 };
 205
 206 /* SPI (0) */
 207 static struct resource bfin_spi0_resource[] = {
 208         [0] = {
 209                 .start = SPI0_REGBASE,
 210                 .end   = SPI0_REGBASE + 0xFF,
 211                 .flags = IORESOURCE_MEM,
 212                 },
 213         [1] = {
 214                 .start = CH_SPI,
 215                 .end   = CH_SPI,
 216                 .flags = IORESOURCE_DMA,
 217         },
 218         [2] = {
 219                 .start = IRQ_SPI,
 220                 .end   = IRQ_SPI,
 221                 .flags = IORESOURCE_IRQ,
 222         },
 223 };
 224
 225 static struct platform_device bfin_spi0_device = {
 226         .name = "bfin-spi",
 227         .id = 0, /* Bus number */
 228         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 229         .resource = bfin_spi0_resource,
 230         .dev = {
 231                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 232         },
 233 };
 234 #endif  /* spi master and devices */
 235
 236 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 237 #ifdef CONFIG_SERIAL_BFIN_UART0
 238 static struct resource bfin_uart0_resources[] = {
 239         {
 240                 .start = UART0_THR,
 241                 .end = UART0_GCTL+2,
 242                 .flags = IORESOURCE_MEM,
 243         },
 244         {
 245                 .start = IRQ_UART0_RX,
 246                 .end = IRQ_UART0_RX+1,
 247                 .flags = IORESOURCE_IRQ,
 248         },
 249         {
 250                 .start = IRQ_UART0_ERROR,
 251                 .end = IRQ_UART0_ERROR,
 252                 .flags = IORESOURCE_IRQ,
 253         },
 254         {
 255                 .start = CH_UART0_TX,
 256                 .end = CH_UART0_TX,
 257                 .flags = IORESOURCE_DMA,
 258         },
 259         {
 260                 .start = CH_UART0_RX,
 261                 .end = CH_UART0_RX,
 262                 .flags = IORESOURCE_DMA,
 263         },
 264 };
 265
 266 unsigned short bfin_uart0_peripherals[] = {
 267         P_UART0_TX, P_UART0_RX, 0
 268 };
 269
 270 static struct platform_device bfin_uart0_device = {
 271         .name = "bfin-uart",
 272         .id = 0,
 273         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 274         .resource = bfin_uart0_resources,
 275         .dev = {
 276                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 277         },
 278 };
 279 #endif
 280 #ifdef CONFIG_SERIAL_BFIN_UART1
 281 static struct resource bfin_uart1_resources[] = {
 282         {
 283                 .start = UART1_THR,
 284                 .end = UART1_GCTL+2,
 285                 .flags = IORESOURCE_MEM,
 286         },
 287         {
 288                 .start = IRQ_UART1_RX,
 289                 .end = IRQ_UART1_RX+1,
 290                 .flags = IORESOURCE_IRQ,
 291         },
 292         {
 293                 .start = IRQ_UART1_ERROR,
 294                 .end = IRQ_UART1_ERROR,
 295                 .flags = IORESOURCE_IRQ,
 296         },
 297         {
 298                 .start = CH_UART1_TX,
 299                 .end = CH_UART1_TX,
 300                 .flags = IORESOURCE_DMA,
 301         },
 302         {
 303                 .start = CH_UART1_RX,
 304                 .end = CH_UART1_RX,
 305                 .flags = IORESOURCE_DMA,
 306         },
 307 };
 308
 309 unsigned short bfin_uart1_peripherals[] = {
 310         P_UART1_TX, P_UART1_RX, 0
 311 };
 312
 313 static struct platform_device bfin_uart1_device = {
 314         .name = "bfin-uart",
 315         .id = 1,
 316         .num_resources = ARRAY_SIZE(bfin_uart1_resources),
 317         .resource = bfin_uart1_resources,
 318         .dev = {
 319                 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
 320         },
 321 };
 322 #endif
 323 #endif
 324
 325 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 326 #ifdef CONFIG_BFIN_SIR0
 327 static struct resource bfin_sir0_resources[] = {
 328         {
 329                 .start = 0xFFC00400,
 330                 .end = 0xFFC004FF,
 331                 .flags = IORESOURCE_MEM,
 332         },
 333         {
 334                 .start = IRQ_UART0_RX,
 335                 .end = IRQ_UART0_RX+1,
 336                 .flags = IORESOURCE_IRQ,
 337         },
 338         {
 339                 .start = CH_UART0_RX,
 340                 .end = CH_UART0_RX+1,
 341                 .flags = IORESOURCE_DMA,
 342         },
 343 };
 344
 345 static struct platform_device bfin_sir0_device = {
 346         .name = "bfin_sir",
 347         .id = 0,
 348         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 349         .resource = bfin_sir0_resources,
 350 };
 351 #endif
 352 #ifdef CONFIG_BFIN_SIR1
 353 static struct resource bfin_sir1_resources[] = {
 354         {
 355                 .start = 0xFFC02000,
 356                 .end = 0xFFC020FF,
 357                 .flags = IORESOURCE_MEM,
 358         },
 359         {
 360                 .start = IRQ_UART1_RX,
 361                 .end = IRQ_UART1_RX+1,
 362                 .flags = IORESOURCE_IRQ,
 363         },
 364         {
 365                 .start = CH_UART1_RX,
 366                 .end = CH_UART1_RX+1,
 367                 .flags = IORESOURCE_DMA,
 368         },
 369 };
 370
 371 static struct platform_device bfin_sir1_device = {
 372         .name = "bfin_sir",
 373         .id = 1,
 374         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 375         .resource = bfin_sir1_resources,
 376 };
 377 #endif
 378 #endif
 379
 380 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 381 static struct resource bfin_twi0_resource[] = {
 382         [0] = {
 383                 .start = TWI0_REGBASE,
 384                 .end   = TWI0_REGBASE + 0xFF,
 385                 .flags = IORESOURCE_MEM,
 386         },
 387         [1] = {
 388                 .start = IRQ_TWI,
 389                 .end   = IRQ_TWI,
 390                 .flags = IORESOURCE_IRQ,
 391         },
 392 };
 393
 394 static struct platform_device i2c_bfin_twi_device = {
 395         .name = "i2c-bfin-twi",
 396         .id = 0,
 397         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 398         .resource = bfin_twi0_resource,
 399 };
 400 #endif
 401
 402 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 403 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 404 static struct resource bfin_sport0_uart_resources[] = {
 405         {
 406                 .start = SPORT0_TCR1,
 407                 .end = SPORT0_MRCS3+4,
 408                 .flags = IORESOURCE_MEM,
 409         },
 410         {
 411                 .start = IRQ_SPORT0_RX,
 412                 .end = IRQ_SPORT0_RX+1,
 413                 .flags = IORESOURCE_IRQ,
 414         },
 415         {
 416                 .start = IRQ_SPORT0_ERROR,
 417                 .end = IRQ_SPORT0_ERROR,
 418                 .flags = IORESOURCE_IRQ,
 419         },
 420 };
 421
 422 unsigned short bfin_sport0_peripherals[] = {
 423         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 424         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 425 };
 426
 427 static struct platform_device bfin_sport0_uart_device = {
 428         .name = "bfin-sport-uart",
 429         .id = 0,
 430         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 431         .resource = bfin_sport0_uart_resources,
 432         .dev = {
 433                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 434         },
 435 };
 436 #endif
 437 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 438 static struct resource bfin_sport1_uart_resources[] = {
 439         {
 440                 .start = SPORT1_TCR1,
 441                 .end = SPORT1_MRCS3+4,
 442                 .flags = IORESOURCE_MEM,
 443         },
 444         {
 445                 .start = IRQ_SPORT1_RX,
 446                 .end = IRQ_SPORT1_RX+1,
 447                 .flags = IORESOURCE_IRQ,
 448         },
 449         {
 450                 .start = IRQ_SPORT1_ERROR,
 451                 .end = IRQ_SPORT1_ERROR,
 452                 .flags = IORESOURCE_IRQ,
 453         },
 454 };
 455
 456 unsigned short bfin_sport1_peripherals[] = {
 457         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 458         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 459 };
 460
 461 static struct platform_device bfin_sport1_uart_device = {
 462         .name = "bfin-sport-uart",
 463         .id = 1,
 464         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 465         .resource = bfin_sport1_uart_resources,
 466         .dev = {
 467                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 468         },
 469 };
 470 #endif
 471 #endif
 472
 473 static struct platform_device *minotaur_devices[] __initdata = {
 474 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 475         &bfin_pcmcia_cf_device,
 476 #endif
 477
 478 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 479         &rtc_device,
 480 #endif
 481
 482 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 483         &bfin_mii_bus,
 484         &bfin_mac_device,
 485 #endif
 486
 487 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 488         &net2272_bfin_device,
 489 #endif
 490
 491 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 492         &bfin_spi0_device,
 493 #endif
 494
 495 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 496 #ifdef CONFIG_SERIAL_BFIN_UART0
 497         &bfin_uart0_device,
 498 #endif
 499 #ifdef CONFIG_SERIAL_BFIN_UART1
 500         &bfin_uart1_device,
 501 #endif
 502 #endif
 503
 504 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 505 #ifdef CONFIG_BFIN_SIR0
 506         &bfin_sir0_device,
 507 #endif
 508 #ifdef CONFIG_BFIN_SIR1
 509         &bfin_sir1_device,
 510 #endif
 511 #endif
 512
 513 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 514         &i2c_bfin_twi_device,
 515 #endif
 516
 517 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 518 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 519         &bfin_sport0_uart_device,
 520 #endif
 521 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 522         &bfin_sport1_uart_device,
 523 #endif
 524 #endif
 525
 526 };
 527
 528 static int __init minotaur_init(void)
 529 {
 530         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 531         platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
 532 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 533         spi_register_board_info(bfin_spi_board_info,
 534                                 ARRAY_SIZE(bfin_spi_board_info));
 535 #endif
 536
 537         return 0;
 538 }
 539
 540 arch_initcall(minotaur_init);
 541
 542 static struct platform_device *minotaur_early_devices[] __initdata = {
 543 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 544 #ifdef CONFIG_SERIAL_BFIN_UART0
 545         &bfin_uart0_device,
 546 #endif
 547 #ifdef CONFIG_SERIAL_BFIN_UART1
 548         &bfin_uart1_device,
 549 #endif
 550 #endif
 551
 552 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 553 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 554         &bfin_sport0_uart_device,
 555 #endif
 556 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 557         &bfin_sport1_uart_device,
 558 #endif
 559 #endif
 560 };
 561
 562 void __init native_machine_early_platform_add_devices(void)
 563 {
 564         printk(KERN_INFO "register early platform devices\n");
 565         early_platform_add_devices(minotaur_early_devices,
 566                 ARRAY_SIZE(minotaur_early_devices));
 567 }
 568
 569 void native_machine_restart(char *cmd)
 570 {
 571         /* workaround reboot hang when booting from SPI */
 572         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 573                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 574 }