Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
		
			
				
	
	
		
			587 lines
		
	
	
	
		
			13 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			587 lines
		
	
	
	
		
			13 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2004-2009 Analog Devices Inc.
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 *           2008-2009 Cambridge Signal Processing
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 *                2005 National ICT Australia (NICTA)
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 *                      Aidan Williams <aidan@nicta.com.au>
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 *
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 * Licensed under the GPL-2 or later.
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 */
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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#include <linux/usb/isp1362.h>
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#endif
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#include <linux/ata_platform.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/usb/sl811.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/reboot.h>
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#include <asm/portmux.h>
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#include <linux/spi/ad7877.h>
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/*
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 * Name the Board for the /proc/cpuinfo
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 */
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const char bfin_board_name[] = "CamSig Minotaur BF537";
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#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
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static struct resource bfin_pcmcia_cf_resources[] = {
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	{
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		.start = 0x20310000, /* IO PORT */
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		.end = 0x20312000,
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		.flags = IORESOURCE_MEM,
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	}, {
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		.start = 0x20311000, /* Attribute Memory */
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		.end = 0x20311FFF,
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		.flags = IORESOURCE_MEM,
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	}, {
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		.start = IRQ_PF4,
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		.end = IRQ_PF4,
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		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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	}, {
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		.start = IRQ_PF6, /* Card Detect PF6 */
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		.end = IRQ_PF6,
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		.flags = IORESOURCE_IRQ,
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	},
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};
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static struct platform_device bfin_pcmcia_cf_device = {
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	.name = "bfin_cf_pcmcia",
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	.id = -1,
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	.num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
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	.resource = bfin_pcmcia_cf_resources,
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};
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#endif
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#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
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static struct platform_device rtc_device = {
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	.name = "rtc-bfin",
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	.id   = -1,
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};
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#endif
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#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
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#include <linux/bfin_mac.h>
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static const unsigned short bfin_mac_peripherals[] = P_MII0;
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static struct bfin_phydev_platform_data bfin_phydev_data[] = {
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	{
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		.addr = 1,
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		.irq = IRQ_MAC_PHYINT,
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	},
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};
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static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
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	.phydev_number = 1,
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	.phydev_data = bfin_phydev_data,
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	.phy_mode = PHY_INTERFACE_MODE_MII,
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	.mac_peripherals = bfin_mac_peripherals,
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};
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static struct platform_device bfin_mii_bus = {
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	.name = "bfin_mii_bus",
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	.dev = {
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		.platform_data = &bfin_mii_bus_data,
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	}
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};
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static struct platform_device bfin_mac_device = {
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	.name = "bfin_mac",
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	.dev = {
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		.platform_data = &bfin_mii_bus,
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	}
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};
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#endif
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#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
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static struct resource net2272_bfin_resources[] = {
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	{
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		.start = 0x20300000,
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		.end = 0x20300000 + 0x100,
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		.flags = IORESOURCE_MEM,
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	}, {
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		.start = IRQ_PF7,
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		.end = IRQ_PF7,
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		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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	},
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};
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static struct platform_device net2272_bfin_device = {
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	.name = "net2272",
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	.id = -1,
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	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
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	.resource = net2272_bfin_resources,
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};
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#endif
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#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
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/* all SPI peripherals info goes here */
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#if defined(CONFIG_MTD_M25P80) \
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	|| defined(CONFIG_MTD_M25P80_MODULE)
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/* Partition sizes */
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#define FLASH_SIZE       0x00400000
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#define PSIZE_UBOOT      0x00030000
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#define PSIZE_INITRAMFS  0x00240000
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static struct mtd_partition bfin_spi_flash_partitions[] = {
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	{
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		.name       = "bootloader(spi)",
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		.size       = PSIZE_UBOOT,
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		.offset     = 0x000000,
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		.mask_flags = MTD_CAP_ROM
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	}, {
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		.name       = "initramfs(spi)",
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		.size       = PSIZE_INITRAMFS,
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		.offset     = PSIZE_UBOOT
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	}, {
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		.name       = "opt(spi)",
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		.size       = FLASH_SIZE - (PSIZE_UBOOT + PSIZE_INITRAMFS),
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		.offset     = PSIZE_UBOOT + PSIZE_INITRAMFS,
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	}
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};
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static struct flash_platform_data bfin_spi_flash_data = {
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	.name = "m25p80",
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	.parts = bfin_spi_flash_partitions,
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	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
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	.type = "m25p64",
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};
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/* SPI flash chip (m25p64) */
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static struct bfin5xx_spi_chip spi_flash_chip_info = {
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	.enable_dma = 0,         /* use dma transfer with this chip*/
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};
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#endif
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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
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static struct bfin5xx_spi_chip mmc_spi_chip_info = {
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	.enable_dma = 0,
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};
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#endif
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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if defined(CONFIG_MTD_M25P80) \
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	|| defined(CONFIG_MTD_M25P80_MODULE)
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	{
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		/* the modalias must be the same as spi device driver name */
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		.modalias = "m25p80", /* Name of spi_driver for this device */
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		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
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		.bus_num = 0, /* Framework bus number */
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		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
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		.platform_data = &bfin_spi_flash_data,
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		.controller_data = &spi_flash_chip_info,
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		.mode = SPI_MODE_3,
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	},
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#endif
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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
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	{
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		.modalias = "mmc_spi",
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		.max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
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		.bus_num = 0,
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		.chip_select = 5,
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		.controller_data = &mmc_spi_chip_info,
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		.mode = SPI_MODE_3,
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	},
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#endif
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};
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/* SPI controller data */
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static struct bfin5xx_spi_master bfin_spi0_info = {
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	.num_chipselect = 8,
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	.enable_dma = 1,  /* master has the ability to do dma transfer */
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};
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/* SPI (0) */
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static struct resource bfin_spi0_resource[] = {
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	[0] = {
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		.start = SPI0_REGBASE,
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		.end   = SPI0_REGBASE + 0xFF,
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		.flags = IORESOURCE_MEM,
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		},
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	[1] = {
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		.start = CH_SPI,
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		.end   = CH_SPI,
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		.flags = IORESOURCE_DMA,
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	},
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	[2] = {
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		.start = IRQ_SPI,
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		.end   = IRQ_SPI,
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		.flags = IORESOURCE_IRQ,
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	},
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};
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static struct platform_device bfin_spi0_device = {
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	.name = "bfin-spi",
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	.id = 0, /* Bus number */
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	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
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	.resource = bfin_spi0_resource,
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	.dev = {
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		.platform_data = &bfin_spi0_info, /* Passed to driver */
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	},
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};
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#endif  /* spi master and devices */
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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_UART0
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static struct resource bfin_uart0_resources[] = {
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	{
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		.start = UART0_THR,
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		.end = UART0_GCTL+2,
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		.flags = IORESOURCE_MEM,
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	},
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	{
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		.start = IRQ_UART0_TX,
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		.end = IRQ_UART0_TX,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = IRQ_UART0_RX,
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		.end = IRQ_UART0_RX,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = IRQ_UART0_ERROR,
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		.end = IRQ_UART0_ERROR,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = CH_UART0_TX,
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		.end = CH_UART0_TX,
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		.flags = IORESOURCE_DMA,
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	},
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	{
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		.start = CH_UART0_RX,
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		.end = CH_UART0_RX,
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		.flags = IORESOURCE_DMA,
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	},
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};
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static unsigned short bfin_uart0_peripherals[] = {
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	P_UART0_TX, P_UART0_RX, 0
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};
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static struct platform_device bfin_uart0_device = {
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	.name = "bfin-uart",
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	.id = 0,
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	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
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	.resource = bfin_uart0_resources,
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	.dev = {
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		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
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	},
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};
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART1
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static struct resource bfin_uart1_resources[] = {
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	{
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		.start = UART1_THR,
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		.end = UART1_GCTL+2,
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		.flags = IORESOURCE_MEM,
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	},
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	{
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		.start = IRQ_UART1_TX,
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		.end = IRQ_UART1_TX,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = IRQ_UART1_RX,
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		.end = IRQ_UART1_RX,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = IRQ_UART1_ERROR,
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		.end = IRQ_UART1_ERROR,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = CH_UART1_TX,
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		.end = CH_UART1_TX,
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		.flags = IORESOURCE_DMA,
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	},
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	{
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		.start = CH_UART1_RX,
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		.end = CH_UART1_RX,
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		.flags = IORESOURCE_DMA,
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	},
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};
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static unsigned short bfin_uart1_peripherals[] = {
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	P_UART1_TX, P_UART1_RX, 0
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};
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static struct platform_device bfin_uart1_device = {
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	.name = "bfin-uart",
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	.id = 1,
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	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
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	.resource = bfin_uart1_resources,
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	.dev = {
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		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
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	},
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};
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#endif
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#endif
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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
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#ifdef CONFIG_BFIN_SIR0
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static struct resource bfin_sir0_resources[] = {
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	{
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		.start = 0xFFC00400,
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		.end = 0xFFC004FF,
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		.flags = IORESOURCE_MEM,
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	},
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	{
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		.start = IRQ_UART0_RX,
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		.end = IRQ_UART0_RX+1,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = CH_UART0_RX,
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		.end = CH_UART0_RX+1,
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		.flags = IORESOURCE_DMA,
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	},
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};
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static struct platform_device bfin_sir0_device = {
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	.name = "bfin_sir",
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	.id = 0,
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	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
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	.resource = bfin_sir0_resources,
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};
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#endif
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#ifdef CONFIG_BFIN_SIR1
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static struct resource bfin_sir1_resources[] = {
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	{
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		.start = 0xFFC02000,
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		.end = 0xFFC020FF,
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		.flags = IORESOURCE_MEM,
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	},
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	{
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		.start = IRQ_UART1_RX,
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		.end = IRQ_UART1_RX+1,
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		.flags = IORESOURCE_IRQ,
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	},
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	{
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		.start = CH_UART1_RX,
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		.end = CH_UART1_RX+1,
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		.flags = IORESOURCE_DMA,
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	},
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};
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static struct platform_device bfin_sir1_device = {
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	.name = "bfin_sir",
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	.id = 1,
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	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
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	.resource = bfin_sir1_resources,
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};
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#endif
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#endif
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#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
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static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
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static struct resource bfin_twi0_resource[] = {
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	[0] = {
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		.start = TWI0_REGBASE,
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		.end   = TWI0_REGBASE + 0xFF,
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		.flags = IORESOURCE_MEM,
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	},
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	[1] = {
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		.start = IRQ_TWI,
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		.end   = IRQ_TWI,
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		.flags = IORESOURCE_IRQ,
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	},
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};
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static struct platform_device i2c_bfin_twi_device = {
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	.name = "i2c-bfin-twi",
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	.id = 0,
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	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
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	.resource = bfin_twi0_resource,
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	.dev = {
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		.platform_data = &bfin_twi0_pins,
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	},
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};
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#endif
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#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
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static struct resource bfin_sport0_uart_resources[] = {
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	{
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		.start = SPORT0_TCR1,
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		.end = SPORT0_MRCS3+4,
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		.flags = IORESOURCE_MEM,
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	},
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	{
 | 
						|
		.start = IRQ_SPORT0_RX,
 | 
						|
		.end = IRQ_SPORT0_RX+1,
 | 
						|
		.flags = IORESOURCE_IRQ,
 | 
						|
	},
 | 
						|
	{
 | 
						|
		.start = IRQ_SPORT0_ERROR,
 | 
						|
		.end = IRQ_SPORT0_ERROR,
 | 
						|
		.flags = IORESOURCE_IRQ,
 | 
						|
	},
 | 
						|
};
 | 
						|
 | 
						|
static unsigned short bfin_sport0_peripherals[] = {
 | 
						|
	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 | 
						|
	P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 | 
						|
};
 | 
						|
 | 
						|
static struct platform_device bfin_sport0_uart_device = {
 | 
						|
	.name = "bfin-sport-uart",
 | 
						|
	.id = 0,
 | 
						|
	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 | 
						|
	.resource = bfin_sport0_uart_resources,
 | 
						|
	.dev = {
 | 
						|
		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 | 
						|
	},
 | 
						|
};
 | 
						|
#endif
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 | 
						|
static struct resource bfin_sport1_uart_resources[] = {
 | 
						|
	{
 | 
						|
		.start = SPORT1_TCR1,
 | 
						|
		.end = SPORT1_MRCS3+4,
 | 
						|
		.flags = IORESOURCE_MEM,
 | 
						|
	},
 | 
						|
	{
 | 
						|
		.start = IRQ_SPORT1_RX,
 | 
						|
		.end = IRQ_SPORT1_RX+1,
 | 
						|
		.flags = IORESOURCE_IRQ,
 | 
						|
	},
 | 
						|
	{
 | 
						|
		.start = IRQ_SPORT1_ERROR,
 | 
						|
		.end = IRQ_SPORT1_ERROR,
 | 
						|
		.flags = IORESOURCE_IRQ,
 | 
						|
	},
 | 
						|
};
 | 
						|
 | 
						|
static unsigned short bfin_sport1_peripherals[] = {
 | 
						|
	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 | 
						|
	P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 | 
						|
};
 | 
						|
 | 
						|
static struct platform_device bfin_sport1_uart_device = {
 | 
						|
	.name = "bfin-sport-uart",
 | 
						|
	.id = 1,
 | 
						|
	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 | 
						|
	.resource = bfin_sport1_uart_resources,
 | 
						|
	.dev = {
 | 
						|
		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 | 
						|
	},
 | 
						|
};
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
 | 
						|
static struct platform_device *minotaur_devices[] __initdata = {
 | 
						|
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 | 
						|
	&bfin_pcmcia_cf_device,
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 | 
						|
	&rtc_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_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
 | 
						|
	&bfin_spi0_device,
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_UART0
 | 
						|
	&bfin_uart0_device,
 | 
						|
#endif
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_UART1
 | 
						|
	&bfin_uart1_device,
 | 
						|
#endif
 | 
						|
#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)
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 | 
						|
	&bfin_sport0_uart_device,
 | 
						|
#endif
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 | 
						|
	&bfin_sport1_uart_device,
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
static int __init minotaur_init(void)
 | 
						|
{
 | 
						|
	printk(KERN_INFO "%s(): registering device resources\n", __func__);
 | 
						|
	platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
 | 
						|
#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
 | 
						|
	spi_register_board_info(bfin_spi_board_info,
 | 
						|
				ARRAY_SIZE(bfin_spi_board_info));
 | 
						|
#endif
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
arch_initcall(minotaur_init);
 | 
						|
 | 
						|
static struct platform_device *minotaur_early_devices[] __initdata = {
 | 
						|
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_UART0
 | 
						|
	&bfin_uart0_device,
 | 
						|
#endif
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_UART1
 | 
						|
	&bfin_uart1_device,
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 | 
						|
	&bfin_sport0_uart_device,
 | 
						|
#endif
 | 
						|
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 | 
						|
	&bfin_sport1_uart_device,
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
};
 | 
						|
 | 
						|
void __init native_machine_early_platform_add_devices(void)
 | 
						|
{
 | 
						|
	printk(KERN_INFO "register early platform devices\n");
 | 
						|
	early_platform_add_devices(minotaur_early_devices,
 | 
						|
		ARRAY_SIZE(minotaur_early_devices));
 | 
						|
}
 | 
						|
 | 
						|
void native_machine_restart(char *cmd)
 | 
						|
{
 | 
						|
	/* workaround reboot hang when booting from SPI */
 | 
						|
	if ((bfin_read_SYSCR() & 0x7) == 0x3)
 | 
						|
		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 | 
						|
}
 |