linux/arch/blackfin/mach-bf537/boards/minotaur.c
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   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 */
  32const char bfin_board_name[] = "CamSig Minotaur BF537";
  33
  34#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
  35static 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
  55static 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)
  64static 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>
  72static const unsigned short bfin_mac_peripherals[] = P_MII0;
  73
  74static struct bfin_phydev_platform_data bfin_phydev_data[] = {
  75        {
  76                .addr = 1,
  77                .irq = IRQ_MAC_PHYINT,
  78        },
  79};
  80
  81static 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
  88static struct platform_device bfin_mii_bus = {
  89        .name = "bfin_mii_bus",
  90        .dev = {
  91                .platform_data = &bfin_mii_bus_data,
  92        }
  93};
  94
  95static 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)
 104static 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
 116static 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_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_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
 135static 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
 152static 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) */
 160static 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)
 166static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 167        .enable_dma = 0,
 168};
 169#endif
 170
 171static 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 */
 199static 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) */
 205static 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
 223static 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
 236static 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
 269static unsigned short bfin_uart0_peripherals[] = {
 270        P_UART0_TX, P_UART0_RX, 0
 271};
 272
 273static 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
 284static 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
 317static unsigned short bfin_uart1_peripherals[] = {
 318        P_UART1_TX, P_UART1_RX, 0
 319};
 320
 321static 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
 335static 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
 353static 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
 361static 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
 379static 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)
 389static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
 390
 391static struct resource bfin_twi0_resource[] = {
 392        [0] = {
 393                .start = TWI0_REGBASE,
 394                .end   = TWI0_REGBASE + 0xFF,
 395                .flags = IORESOURCE_MEM,
 396        },
 397        [1] = {
 398                .start = IRQ_TWI,
 399                .end   = IRQ_TWI,
 400                .flags = IORESOURCE_IRQ,
 401        },
 402};
 403
 404static struct platform_device i2c_bfin_twi_device = {
 405        .name = "i2c-bfin-twi",
 406        .id = 0,
 407        .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 408        .resource = bfin_twi0_resource,
 409        .dev = {
 410                .platform_data = &bfin_twi0_pins,
 411        },
 412};
 413#endif
 414
 415#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 416#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 417static struct resource bfin_sport0_uart_resources[] = {
 418        {
 419                .start = SPORT0_TCR1,
 420                .end = SPORT0_MRCS3+4,
 421                .flags = IORESOURCE_MEM,
 422        },
 423        {
 424                .start = IRQ_SPORT0_RX,
 425                .end = IRQ_SPORT0_RX+1,
 426                .flags = IORESOURCE_IRQ,
 427        },
 428        {
 429                .start = IRQ_SPORT0_ERROR,
 430                .end = IRQ_SPORT0_ERROR,
 431                .flags = IORESOURCE_IRQ,
 432        },
 433};
 434
 435static unsigned short bfin_sport0_peripherals[] = {
 436        P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 437        P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 438};
 439
 440static struct platform_device bfin_sport0_uart_device = {
 441        .name = "bfin-sport-uart",
 442        .id = 0,
 443        .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 444        .resource = bfin_sport0_uart_resources,
 445        .dev = {
 446                .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 447        },
 448};
 449#endif
 450#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 451static struct resource bfin_sport1_uart_resources[] = {
 452        {
 453                .start = SPORT1_TCR1,
 454                .end = SPORT1_MRCS3+4,
 455                .flags = IORESOURCE_MEM,
 456        },
 457        {
 458                .start = IRQ_SPORT1_RX,
 459                .end = IRQ_SPORT1_RX+1,
 460                .flags = IORESOURCE_IRQ,
 461        },
 462        {
 463                .start = IRQ_SPORT1_ERROR,
 464                .end = IRQ_SPORT1_ERROR,
 465                .flags = IORESOURCE_IRQ,
 466        },
 467};
 468
 469static unsigned short bfin_sport1_peripherals[] = {
 470        P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 471        P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 472};
 473
 474static struct platform_device bfin_sport1_uart_device = {
 475        .name = "bfin-sport-uart",
 476        .id = 1,
 477        .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 478        .resource = bfin_sport1_uart_resources,
 479        .dev = {
 480                .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 481        },
 482};
 483#endif
 484#endif
 485
 486static struct platform_device *minotaur_devices[] __initdata = {
 487#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 488        &bfin_pcmcia_cf_device,
 489#endif
 490
 491#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 492        &rtc_device,
 493#endif
 494
 495#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 496        &bfin_mii_bus,
 497        &bfin_mac_device,
 498#endif
 499
 500#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 501        &net2272_bfin_device,
 502#endif
 503
 504#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
 505        &bfin_spi0_device,
 506#endif
 507
 508#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 509#ifdef CONFIG_SERIAL_BFIN_UART0
 510        &bfin_uart0_device,
 511#endif
 512#ifdef CONFIG_SERIAL_BFIN_UART1
 513        &bfin_uart1_device,
 514#endif
 515#endif
 516
 517#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 518#ifdef CONFIG_BFIN_SIR0
 519        &bfin_sir0_device,
 520#endif
 521#ifdef CONFIG_BFIN_SIR1
 522        &bfin_sir1_device,
 523#endif
 524#endif
 525
 526#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 527        &i2c_bfin_twi_device,
 528#endif
 529
 530#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 531#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 532        &bfin_sport0_uart_device,
 533#endif
 534#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 535        &bfin_sport1_uart_device,
 536#endif
 537#endif
 538
 539};
 540
 541static int __init minotaur_init(void)
 542{
 543        printk(KERN_INFO "%s(): registering device resources\n", __func__);
 544        platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
 545#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
 546        spi_register_board_info(bfin_spi_board_info,
 547                                ARRAY_SIZE(bfin_spi_board_info));
 548#endif
 549
 550        return 0;
 551}
 552
 553arch_initcall(minotaur_init);
 554
 555static struct platform_device *minotaur_early_devices[] __initdata = {
 556#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 557#ifdef CONFIG_SERIAL_BFIN_UART0
 558        &bfin_uart0_device,
 559#endif
 560#ifdef CONFIG_SERIAL_BFIN_UART1
 561        &bfin_uart1_device,
 562#endif
 563#endif
 564
 565#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 566#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 567        &bfin_sport0_uart_device,
 568#endif
 569#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 570        &bfin_sport1_uart_device,
 571#endif
 572#endif
 573};
 574
 575void __init native_machine_early_platform_add_devices(void)
 576{
 577        printk(KERN_INFO "register early platform devices\n");
 578        early_platform_add_devices(minotaur_early_devices,
 579                ARRAY_SIZE(minotaur_early_devices));
 580}
 581
 582void native_machine_restart(char *cmd)
 583{
 584        /* workaround reboot hang when booting from SPI */
 585        if ((bfin_read_SYSCR() & 0x7) == 0x3)
 586                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 587}
 588