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cm_bf537u.c

/*
 * Copyright 2004-2009 Analog Devices Inc.
 *           2008-2009 Bluetechnix
 *                2005 National ICT Australia (NICTA)
 *                      Aidan Williams <aidan@nicta.com.au>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/device.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb/isp1362.h>
#endif
#include <linux/ata_platform.h>
#include <linux/irq.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
#include <linux/spi/mmc_spi.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "Bluetechnix CM BF537U";

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */

#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
      {
            .name = "bootloader(spi)",
            .size = 0x00020000,
            .offset = 0,
            .mask_flags = MTD_CAP_ROM
      }, {
            .name = "linux kernel(spi)",
            .size = 0xe0000,
            .offset = 0x20000
      }, {
            .name = "file system(spi)",
            .size = 0x700000,
            .offset = 0x00100000,
      }
};

static struct flash_platform_data bfin_spi_flash_data = {
      .name = "m25p80",
      .parts = bfin_spi_flash_partitions,
      .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
      .type = "m25p64",
};

/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
      .enable_dma = 0,         /* use dma transfer with this chip*/
      .bits_per_word = 8,
};
#endif

#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
/* SPI ADC chip */
static struct bfin5xx_spi_chip spi_adc_chip_info = {
      .enable_dma = 1,         /* use dma transfer with this chip*/
      .bits_per_word = 16,
};
#endif

#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 16,
};
#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 8,
};
#endif

static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
      {
            /* the modalias must be the same as spi device driver name */
            .modalias = "m25p80", /* Name of spi_driver for this device */
            .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
            .bus_num = 0, /* Framework bus number */
            .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
            .platform_data = &bfin_spi_flash_data,
            .controller_data = &spi_flash_chip_info,
            .mode = SPI_MODE_3,
      },
#endif

#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
      {
            .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
            .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
            .bus_num = 0, /* Framework bus number */
            .chip_select = 1, /* Framework chip select. */
            .platform_data = NULL, /* No spi_driver specific config */
            .controller_data = &spi_adc_chip_info,
      },
#endif

#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
      {
            .modalias = "ad1836",
            .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
            .controller_data = &ad1836_spi_chip_info,
      },
#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
      {
            .modalias = "mmc_spi",
            .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = 1,
            .controller_data = &mmc_spi_chip_info,
            .mode = SPI_MODE_3,
      },
#endif
};

/* SPI (0) */
static struct resource bfin_spi0_resource[] = {
      [0] = {
            .start = SPI0_REGBASE,
            .end   = SPI0_REGBASE + 0xFF,
            .flags = IORESOURCE_MEM,
            },
      [1] = {
            .start = CH_SPI,
            .end   = CH_SPI,
            .flags = IORESOURCE_DMA,
      },
      [2] = {
            .start = IRQ_SPI,
            .end   = IRQ_SPI,
            .flags = IORESOURCE_IRQ,
      },
};

/* SPI controller data */
static struct bfin5xx_spi_master bfin_spi0_info = {
      .num_chipselect = 8,
      .enable_dma = 1,  /* master has the ability to do dma transfer */
      .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
};

static struct platform_device bfin_spi0_device = {
      .name = "bfin-spi",
      .id = 0, /* Bus number */
      .num_resources = ARRAY_SIZE(bfin_spi0_resource),
      .resource = bfin_spi0_resource,
      .dev = {
            .platform_data = &bfin_spi0_info, /* Passed to driver */
      },
};
#endif  /* spi master and devices */

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
      .name = "rtc-bfin",
      .id   = -1,
};
#endif

#if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
static struct platform_device hitachi_fb_device = {
      .name = "hitachi-tx09",
};
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
#include <linux/smc91x.h>

static struct smc91x_platdata smc91x_info = {
      .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
      .leda = RPC_LED_100_10,
      .ledb = RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
      {
            .start = 0x20200300,
            .end = 0x20200300 + 16,
            .flags = IORESOURCE_MEM,
      }, {
            .start = IRQ_PF14,
            .end = IRQ_PF14,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
            },
};

static struct platform_device smc91x_device = {
      .name = "smc91x",
      .id = 0,
      .num_resources = ARRAY_SIZE(smc91x_resources),
      .resource = smc91x_resources,
      .dev  = {
            .platform_data    = &smc91x_info,
      },
};
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
static struct resource isp1362_hcd_resources[] = {
      {
            .start = 0x20308000,
            .end = 0x20308000,
            .flags = IORESOURCE_MEM,
      }, {
            .start = 0x20308004,
            .end = 0x20308004,
            .flags = IORESOURCE_MEM,
      }, {
            .start = IRQ_PG15,
            .end = IRQ_PG15,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      },
};

static struct isp1362_platform_data isp1362_priv = {
      .sel15Kres = 1,
      .clknotstop = 0,
      .oc_enable = 0,
      .int_act_high = 0,
      .int_edge_triggered = 0,
      .remote_wakeup_connected = 0,
      .no_power_switching = 1,
      .power_switching_mode = 0,
};

static struct platform_device isp1362_hcd_device = {
      .name = "isp1362-hcd",
      .id = 0,
      .dev = {
            .platform_data = &isp1362_priv,
      },
      .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
      .resource = isp1362_hcd_resources,
};
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
static struct resource net2272_bfin_resources[] = {
      {
            .start = 0x20200000,
            .end = 0x20200000 + 0x100,
            .flags = IORESOURCE_MEM,
      }, {
            .start = IRQ_PH14,
            .end = IRQ_PH14,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      },
};

static struct platform_device net2272_bfin_device = {
      .name = "net2272",
      .id = -1,
      .num_resources = ARRAY_SIZE(net2272_bfin_resources),
      .resource = net2272_bfin_resources,
};
#endif

#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
static struct mtd_partition cm_partitions[] = {
      {
            .name   = "bootloader(nor)",
            .size   = 0x40000,
            .offset = 0,
      }, {
            .name   = "linux kernel(nor)",
            .size   = 0x100000,
            .offset = MTDPART_OFS_APPEND,
      }, {
            .name   = "file system(nor)",
            .size   = MTDPART_SIZ_FULL,
            .offset = MTDPART_OFS_APPEND,
      }
};

static struct physmap_flash_data cm_flash_data = {
      .width    = 2,
      .parts    = cm_partitions,
      .nr_parts = ARRAY_SIZE(cm_partitions),
};

static unsigned cm_flash_gpios[] = { GPIO_PH0 };

static struct resource cm_flash_resource[] = {
      {
            .name  = "cfi_probe",
            .start = 0x20000000,
            .end   = 0x201fffff,
            .flags = IORESOURCE_MEM,
      }, {
            .start = (unsigned long)cm_flash_gpios,
            .end   = ARRAY_SIZE(cm_flash_gpios),
            .flags = IORESOURCE_IRQ,
      }
};

static struct platform_device cm_flash_device = {
      .name          = "gpio-addr-flash",
      .id            = 0,
      .dev = {
            .platform_data = &cm_flash_data,
      },
      .num_resources = ARRAY_SIZE(cm_flash_resource),
      .resource      = cm_flash_resource,
};
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
static struct resource bfin_uart_resources[] = {
      {
            .start = 0xFFC00400,
            .end = 0xFFC004FF,
            .flags = IORESOURCE_MEM,
      }, {
            .start = 0xFFC02000,
            .end = 0xFFC020FF,
            .flags = IORESOURCE_MEM,
      },
};

static struct platform_device bfin_uart_device = {
      .name = "bfin-uart",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_uart_resources),
      .resource = bfin_uart_resources,
};
#endif

#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
      {
            .start = 0xFFC00400,
            .end = 0xFFC004FF,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART0_RX,
            .end = IRQ_UART0_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART0_RX,
            .end = CH_UART0_RX+1,
            .flags = IORESOURCE_DMA,
      },
};
static struct platform_device bfin_sir0_device = {
      .name = "bfin_sir",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_sir0_resources),
      .resource = bfin_sir0_resources,
};
#endif
#ifdef CONFIG_BFIN_SIR1
static struct resource bfin_sir1_resources[] = {
      {
            .start = 0xFFC02000,
            .end = 0xFFC020FF,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART1_RX,
            .end = IRQ_UART1_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART1_RX,
            .end = CH_UART1_RX+1,
            .flags = IORESOURCE_DMA,
      },
};
static struct platform_device bfin_sir1_device = {
      .name = "bfin_sir",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_sir1_resources),
      .resource = bfin_sir1_resources,
};
#endif
#endif

#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
static struct resource bfin_twi0_resource[] = {
      [0] = {
            .start = TWI0_REGBASE,
            .end   = TWI0_REGBASE,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = IRQ_TWI,
            .end   = IRQ_TWI,
            .flags = IORESOURCE_IRQ,
      },
};

static struct platform_device i2c_bfin_twi_device = {
      .name = "i2c-bfin-twi",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_twi0_resource),
      .resource = bfin_twi0_resource,
};
#endif

#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
static struct platform_device bfin_sport0_uart_device = {
      .name = "bfin-sport-uart",
      .id = 0,
};

static struct platform_device bfin_sport1_uart_device = {
      .name = "bfin-sport-uart",
      .id = 1,
};
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
static struct platform_device bfin_mii_bus = {
      .name = "bfin_mii_bus",
};

static struct platform_device bfin_mac_device = {
      .name = "bfin_mac",
      .dev.platform_data = &bfin_mii_bus,
};
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
#define PATA_INT  IRQ_PF14

static struct pata_platform_info bfin_pata_platform_data = {
      .ioport_shift = 2,
      .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
};

static struct resource bfin_pata_resources[] = {
      {
            .start = 0x2030C000,
            .end = 0x2030C01F,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = 0x2030D018,
            .end = 0x2030D01B,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = PATA_INT,
            .end = PATA_INT,
            .flags = IORESOURCE_IRQ,
      },
};

static struct platform_device bfin_pata_device = {
      .name = "pata_platform",
      .id = -1,
      .num_resources = ARRAY_SIZE(bfin_pata_resources),
      .resource = bfin_pata_resources,
      .dev = {
            .platform_data = &bfin_pata_platform_data,
      }
};
#endif

static const unsigned int cclk_vlev_datasheet[] =
{
      VRPAIR(VLEV_085, 250000000),
      VRPAIR(VLEV_090, 376000000),
      VRPAIR(VLEV_095, 426000000),
      VRPAIR(VLEV_100, 426000000),
      VRPAIR(VLEV_105, 476000000),
      VRPAIR(VLEV_110, 476000000),
      VRPAIR(VLEV_115, 476000000),
      VRPAIR(VLEV_120, 500000000),
      VRPAIR(VLEV_125, 533000000),
      VRPAIR(VLEV_130, 600000000),
};

static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
      .tuple_tab = cclk_vlev_datasheet,
      .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
      .vr_settling_time = 25 /* us */,
};

static struct platform_device bfin_dpmc = {
      .name = "bfin dpmc",
      .dev = {
            .platform_data = &bfin_dmpc_vreg_data,
      },
};

static struct platform_device *cm_bf537u_devices[] __initdata = {

      &bfin_dpmc,

#if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
      &hitachi_fb_device,
#endif

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
      &rtc_device,
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
      &bfin_uart_device,
#endif

#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
      &bfin_sir0_device,
#endif
#ifdef CONFIG_BFIN_SIR1
      &bfin_sir1_device,
#endif
#endif

#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
      &i2c_bfin_twi_device,
#endif

#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
      &bfin_sport0_uart_device,
      &bfin_sport1_uart_device,
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
      &isp1362_hcd_device,
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
      &smc91x_device,
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
      &bfin_mii_bus,
      &bfin_mac_device,
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
      &net2272_bfin_device,
#endif

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
      &bfin_spi0_device,
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
      &bfin_pata_device,
#endif

#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
      &cm_flash_device,
#endif
};

static int __init cm_bf537u_init(void)
{
      printk(KERN_INFO "%s(): registering device resources\n", __func__);
      platform_add_devices(cm_bf537u_devices, ARRAY_SIZE(cm_bf537u_devices));
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
      spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
      irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
#endif
      return 0;
}

arch_initcall(cm_bf537u_init);

void bfin_get_ether_addr(char *addr)
{
      random_ether_addr(addr);
      printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
}
EXPORT_SYMBOL(bfin_get_ether_addr);

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