path: root/arch/blackfin/mach-bf537/boards/cm_bf537e.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/export.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 <asm/bfin_sport.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "Bluetechnix CM BF537E";

#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_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*/
};
#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
	.enable_dma = 0,
};
#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_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
	{
		.modalias = "ad183x",
		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 4,
	},
#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_SPI_BFIN_SPORT) || defined(CONFIG_SPI_BFIN_SPORT_MODULE)

/* SPORT SPI controller data */
static struct bfin5xx_spi_master bfin_sport_spi0_info = {
	.num_chipselect = MAX_BLACKFIN_GPIOS,
	.enable_dma = 0,  /* master don't support DMA */
	.pin_req = {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_DRPRI,
		P_SPORT0_RSCLK, P_SPORT0_TFS, P_SPORT0_RFS, 0},
};

static struct resource bfin_sport_spi0_resource[] = {
	[0] = {
		.start = SPORT0_TCR1,
		.end   = SPORT0_TCR1 + 0xFF,
		.flags = IORESOURCE_MEM,
		},
	[1] = {
		.start = IRQ_SPORT0_ERROR,
		.end   = IRQ_SPORT0_ERROR,
		.flags = IORESOURCE_IRQ,
		},
};

static struct platform_device bfin_sport_spi0_device = {
	.name = "bfin-sport-spi"