arch/blackfin/mach-bf533/boards/blackstamp.c - arm/linux - Git at Google

 /*
  * Board Info File for the BlackStamp
  *
  * Copyright 2004-2008 Analog Devices Inc.
  *                2008 Benjamin Matthews <bmat@lle.rochester.edu>
  *                2005 National ICT Australia (NICTA)
  *                      Aidan Williams <aidan@nicta.com.au>
  *
  * More info about the BlackStamp at:
  * 	http://blackfin.uclinux.org/gf/project/blackstamp/
  *
  * Licensed under the GPL-2 or later.
  */

 #include <linux/device.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>
 #include <linux/irq.h>
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
 #include <asm/dpmc.h>

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

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

 /*
  *  Driver needs to know address, irq and flag pin.
  */
 #if IS_ENABLED(CONFIG_SMC91X)
 #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[] = {
 	{
 		.name = "smc91x-regs",
 		.start = 0x20300300,
 		.end = 0x20300300 + 16,
 		.flags = IORESOURCE_MEM,
 	}, {
 		.start = IRQ_PF3,
 		.end = IRQ_PF3,
 		.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 IS_ENABLED(CONFIG_MTD_M25P80)
 static struct mtd_partition bfin_spi_flash_partitions[] = {
 	{
 		.name = "bootloader(spi)",
 		.size = 0x00040000,
 		.offset = 0,
 		.mask_flags = MTD_CAP_ROM
 	}, {
 		.name = "linux kernel(spi)",
 		.size = 0x180000,
 		.offset = MTDPART_OFS_APPEND,
 	}, {
 		.name = "file system(spi)",
 		.size = MTDPART_SIZ_FULL,
 		.offset = MTDPART_OFS_APPEND,
 	}
 };

 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 IS_ENABLED(CONFIG_MMC_SPI)
 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 	.enable_dma = 0,
 };
 #endif

 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 #if IS_ENABLED(CONFIG_MTD_M25P80)
 	{
 		/* the modalias must be the same as spi device driver name */
 		.modalias = "m25p80", /* Name of spi_driver for this device */
 		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0, /* Framework bus number */
 		.chip_select = 2, /* Framework chip select. */
 		.platform_data = &bfin_spi_flash_data,
 		.controller_data = &spi_flash_chip_info,
 		.mode = SPI_MODE_3,
 	},
 #endif

 #if IS_ENABLED(CONFIG_MMC_SPI)
 	{
 		.modalias = "mmc_spi",
 		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0,
 		.chip_select = 5,
 		.controller_data = &mmc_spi_chip_info,
 		.mode = SPI_MODE_3,
 	},
 #endif

 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 	{
 		.modalias = "spidev",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0,
 		.chip_select = 7,
 	},
 #endif
 };

 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 /* 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 IS_ENABLED(CONFIG_SERIAL_BFIN)
 #ifdef CONFIG_SERIAL_BFIN_UART0
 static struct resource bfin_uart0_resources[] = {
 	{
 		.start = BFIN_UART_THR,
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
 	{
 		.start = IRQ_UART0_TX,
 		.end = IRQ_UART0_TX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
 		.start = IRQ_UART0_RX,
 		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
 		.start = IRQ_UART0_ERROR,
 		.end = IRQ_UART0_ERROR,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
 		.start = CH_UART0_TX,
 		.end = CH_UART0_TX,
 		.flags = IORESOURCE_DMA,
 	},
 	{
 		.start = CH_UART0_RX,
 		.end = CH_UART0_RX,
 		.flags = IORESOURCE_DMA,
 	},
 };

 static unsigned short bfin_uart0_peripherals[] = {
 	P_UART0_TX, P_UART0_RX, 0
 };

 static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
 	.id = 0,
 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
 	.resource = bfin_uart0_resources,
 	.dev = {
 		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 	},
 };
 #endif
 #endif

 #if IS_ENABLED(CONFIG_BFIN_SIR)
 #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
 #endif

 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 static struct resource bfin_sport0_uart_resources[] = {
 	{
 		.start = SPORT0_TCR1,
 		.end = SPORT0_MRCS3+4,
 		.flags = IORESOURCE_MEM,
 	},
 	{
 		.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

 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 #include <linux/input.h>
 #include <linux/gpio_keys.h>

 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 	{BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"},
 	{BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"},
 	{BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"},
 }; /* Mapped to the first three PF Test Points */

 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 	.buttons        = bfin_gpio_keys_table,
 	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 };

 static struct platform_device bfin_device_gpiokeys = {
 	.name      = "gpio-keys",
 	.dev = {
 		.platform_data = &bfin_gpio_keys_data,
 	},
 };
 #endif

 #if IS_ENABLED(CONFIG_I2C_GPIO)
 #include <linux/i2c-gpio.h>

 static struct i2c_gpio_platform_data i2c_gpio_data = {
 	.sda_pin		= GPIO_PF8,
 	.scl_pin		= GPIO_PF9,
 	.sda_is_open_drain	= 0,
 	.scl_is_open_drain	= 0,
 	.udelay			= 40,
 }; /* This hasn't actually been used these pins
     * are (currently) free pins on the expansion connector */

 static struct platform_device i2c_gpio_device = {
 	.name		= "i2c-gpio",
 	.id		= 0,
 	.dev		= {
 		.platform_data	= &i2c_gpio_data,
 	},
 };
 #endif

 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };

 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, 600000000),
 	VRPAIR(VLEV_125, 600000000),
 	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 *stamp_devices[] __initdata = {

 	&bfin_dpmc,

 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 	&rtc_device,
 #endif

 #if IS_ENABLED(CONFIG_SMC91X)
 	&smc91x_device,
 #endif


 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 	&bfin_spi0_device,
 #endif

 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 #ifdef CONFIG_SERIAL_BFIN_UART0
 	&bfin_uart0_device,
 #endif
 #endif

 #if IS_ENABLED(CONFIG_BFIN_SIR)
 #ifdef CONFIG_BFIN_SIR0
 	&bfin_sir0_device,
 #endif
 #endif

 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
 #endif
 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
 #endif

 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 	&bfin_device_gpiokeys,
 #endif

 #if IS_ENABLED(CONFIG_I2C_GPIO)
 	&i2c_gpio_device,
 #endif
 };

 static int __init blackstamp_init(void)
 {
 	int ret;

 	printk(KERN_INFO "%s(): registering device resources\n", __func__);

 	i2c_register_board_info(0, bfin_i2c_board_info,
 				ARRAY_SIZE(bfin_i2c_board_info));

 	ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 	if (ret < 0)
 		return ret;

 #if IS_ENABLED(CONFIG_SMC91X)
 	/*
 	 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
 	 * the bfin-async-map driver takes care of flipping between
 	 * flash and ethernet when necessary.
 	 */
 	ret = gpio_request(GPIO_PF0, "enet_cpld");
 	if (!ret) {
 		gpio_direction_output(GPIO_PF0, 1);
 		gpio_free(GPIO_PF0);
 	}
 #endif

 	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 	return 0;
 }

 arch_initcall(blackstamp_init);

 static struct platform_device *stamp_early_devices[] __initdata = {
 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 #ifdef CONFIG_SERIAL_BFIN_UART0
 	&bfin_uart0_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(stamp_early_devices,
 		ARRAY_SIZE(stamp_early_devices));
 }
	/*
	* Board Info File for the BlackStamp
	*
	* Copyright 2004-2008 Analog Devices Inc.
	* 2008 Benjamin Matthews <bmat@lle.rochester.edu>
	* 2005 National ICT Australia (NICTA)
	* Aidan Williams <aidan@nicta.com.au>
	*
	* More info about the BlackStamp at:
	* http://blackfin.uclinux.org/gf/project/blackstamp/
	*
	* Licensed under the GPL-2 or later.
	*/

	#include <linux/device.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>
	#include <linux/irq.h>
	#include <linux/gpio.h>
	#include <linux/i2c.h>
	#include <asm/dma.h>
	#include <asm/bfin5xx_spi.h>
	#include <asm/portmux.h>
	#include <asm/dpmc.h>

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

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

	/*
	* Driver needs to know address, irq and flag pin.
	*/
	#if IS_ENABLED(CONFIG_SMC91X)
	#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[] = {
	{
	.name = "smc91x-regs",
	.start = 0x20300300,
	.end = 0x20300300 + 16,
	.flags = IORESOURCE_MEM,
	}, {
	.start = IRQ_PF3,
	.end = IRQ_PF3,
	.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 IS_ENABLED(CONFIG_MTD_M25P80)
	static struct mtd_partition bfin_spi_flash_partitions[] = {
	{
	.name = "bootloader(spi)",
	.size = 0x00040000,
	.offset = 0,
	.mask_flags = MTD_CAP_ROM
	}, {
	.name = "linux kernel(spi)",
	.size = 0x180000,
	.offset = MTDPART_OFS_APPEND,
	}, {
	.name = "file system(spi)",
	.size = MTDPART_SIZ_FULL,
	.offset = MTDPART_OFS_APPEND,
	}
	};

	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 IS_ENABLED(CONFIG_MMC_SPI)
	static struct bfin5xx_spi_chip mmc_spi_chip_info = {
	.enable_dma = 0,
	};
	#endif

	static struct spi_board_info bfin_spi_board_info[] __initdata = {
	#if IS_ENABLED(CONFIG_MTD_M25P80)
	{
	/* the modalias must be the same as spi device driver name */
	.modalias = "m25p80", /* Name of spi_driver for this device */
	.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
	.bus_num = 0, /* Framework bus number */
	.chip_select = 2, /* Framework chip select. */
	.platform_data = &bfin_spi_flash_data,
	.controller_data = &spi_flash_chip_info,
	.mode = SPI_MODE_3,
	},
	#endif

	#if IS_ENABLED(CONFIG_MMC_SPI)
	{
	.modalias = "mmc_spi",
	.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
	.bus_num = 0,
	.chip_select = 5,
	.controller_data = &mmc_spi_chip_info,
	.mode = SPI_MODE_3,
	},
	#endif

	#if IS_ENABLED(CONFIG_SPI_SPIDEV)
	{
	.modalias = "spidev",
	.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
	.bus_num = 0,
	.chip_select = 7,
	},
	#endif
	};

	#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
	/* 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 IS_ENABLED(CONFIG_SERIAL_BFIN)
	#ifdef CONFIG_SERIAL_BFIN_UART0
	static struct resource bfin_uart0_resources[] = {
	{
	.start = BFIN_UART_THR,
	.end = BFIN_UART_GCTL+2,
	.flags = IORESOURCE_MEM,
	},
	{
	.start = IRQ_UART0_TX,
	.end = IRQ_UART0_TX,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_UART0_RX,
	.end = IRQ_UART0_RX,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_UART0_ERROR,
	.end = IRQ_UART0_ERROR,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = CH_UART0_TX,
	.end = CH_UART0_TX,
	.flags = IORESOURCE_DMA,
	},
	{
	.start = CH_UART0_RX,
	.end = CH_UART0_RX,
	.flags = IORESOURCE_DMA,
	},
	};

	static unsigned short bfin_uart0_peripherals[] = {
	P_UART0_TX, P_UART0_RX, 0
	};

	static struct platform_device bfin_uart0_device = {
	.name = "bfin-uart",
	.id = 0,
	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
	.resource = bfin_uart0_resources,
	.dev = {
	.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
	},
	};
	#endif
	#endif

	#if IS_ENABLED(CONFIG_BFIN_SIR)
	#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
	#endif

	#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
	#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
	static struct resource bfin_sport0_uart_resources[] = {
	{
	.start = SPORT0_TCR1,
	.end = SPORT0_MRCS3+4,
	.flags = IORESOURCE_MEM,
	},
	{
	.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

	#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
	#include <linux/input.h>
	#include <linux/gpio_keys.h>

	static struct gpio_keys_button bfin_gpio_keys_table[] = {
	{BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"},
	{BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"},
	{BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"},
	}; /* Mapped to the first three PF Test Points */

	static struct gpio_keys_platform_data bfin_gpio_keys_data = {
	.buttons = bfin_gpio_keys_table,
	.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
	};

	static struct platform_device bfin_device_gpiokeys = {
	.name = "gpio-keys",
	.dev = {
	.platform_data = &bfin_gpio_keys_data,
	},
	};
	#endif

	#if IS_ENABLED(CONFIG_I2C_GPIO)
	#include <linux/i2c-gpio.h>

	static struct i2c_gpio_platform_data i2c_gpio_data = {
	.sda_pin = GPIO_PF8,
	.scl_pin = GPIO_PF9,
	.sda_is_open_drain = 0,
	.scl_is_open_drain = 0,
	.udelay = 40,
	}; /* This hasn't actually been used these pins
	* are (currently) free pins on the expansion connector */

	static struct platform_device i2c_gpio_device = {
	.name = "i2c-gpio",
	.id = 0,
	.dev = {
	.platform_data = &i2c_gpio_data,
	},
	};
	#endif

	static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
	};

	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, 600000000),
	VRPAIR(VLEV_125, 600000000),
	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 *stamp_devices[] __initdata = {

	&bfin_dpmc,

	#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
	&rtc_device,
	#endif

	#if IS_ENABLED(CONFIG_SMC91X)
	&smc91x_device,
	#endif


	#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
	&bfin_spi0_device,
	#endif

	#if IS_ENABLED(CONFIG_SERIAL_BFIN)
	#ifdef CONFIG_SERIAL_BFIN_UART0
	&bfin_uart0_device,
	#endif
	#endif

	#if IS_ENABLED(CONFIG_BFIN_SIR)
	#ifdef CONFIG_BFIN_SIR0
	&bfin_sir0_device,
	#endif
	#endif

	#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
	#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
	&bfin_sport0_uart_device,
	#endif
	#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
	&bfin_sport1_uart_device,
	#endif
	#endif

	#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
	&bfin_device_gpiokeys,
	#endif

	#if IS_ENABLED(CONFIG_I2C_GPIO)
	&i2c_gpio_device,
	#endif
	};

	static int __init blackstamp_init(void)
	{
	int ret;

	printk(KERN_INFO "%s(): registering device resources\n", __func__);

	i2c_register_board_info(0, bfin_i2c_board_info,
	ARRAY_SIZE(bfin_i2c_board_info));

	ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
	if (ret < 0)
	return ret;

	#if IS_ENABLED(CONFIG_SMC91X)
	/*
	* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
	* the bfin-async-map driver takes care of flipping between
	* flash and ethernet when necessary.
	*/
	ret = gpio_request(GPIO_PF0, "enet_cpld");
	if (!ret) {
	gpio_direction_output(GPIO_PF0, 1);
	gpio_free(GPIO_PF0);
	}
	#endif

	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
	return 0;
	}

	arch_initcall(blackstamp_init);

	static struct platform_device *stamp_early_devices[] __initdata = {
	#if defined(CONFIG_SERIAL_BFIN_CONSOLE) \|\| defined(CONFIG_EARLY_PRINTK)
	#ifdef CONFIG_SERIAL_BFIN_UART0
	&bfin_uart0_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(stamp_early_devices,
	ARRAY_SIZE(stamp_early_devices));
	}