ezkit.c

linux内核源码

	.enable_dma = 1,
	.bits_per_word = 8,
};
#endif

#if defined(CONFIG_PBX)
static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
	.ctl_reg	= 0x4, /* send zero */
	.enable_dma	= 0,
	.bits_per_word	= 8,
	.cs_change_per_word = 1,
};
#endif

#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
static struct bfin5xx_spi_chip ad5304_chip_info = {
	.enable_dma = 0,
	.bits_per_word = 16,
};
#endif

#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
	.enable_dma = 0,
	.bits_per_word = 16,
};

static const struct ad7877_platform_data bfin_ad7877_ts_info = {
	.model			= 7877,
	.vref_delay_usecs	= 50,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.pressure_max		= 1000,
	.pressure_min		= 0,
	.stopacq_polarity 	= 1,
	.first_conversion_delay = 3,
	.acquisition_time 	= 1,
	.averaging 		= 1,
	.pen_down_acc_interval 	= 1,
};
#endif

#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
	 && defined(CONFIG_SND_SOC_WM8731_SPI)
static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
	.enable_dma = 0,
	.bits_per_word = 16,
};
#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_SPI_ADC_BF533) \
	|| defined(CONFIG_SPI_ADC_BF533_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-spi",
		.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_AD9960) || defined(CONFIG_AD9960_MODULE)
	{
		.modalias = "ad9960-spi",
		.max_speed_hz = 10000000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 1,
		.controller_data = &ad9960_spi_chip_info,
	},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
	{
		.modalias = "spi_mmc_dummy",
		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 0,
		.platform_data = NULL,
		.controller_data = &spi_mmc_chip_info,
		.mode = SPI_MODE_3,
	},
	{
		.modalias = "spi_mmc",
		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = CONFIG_SPI_MMC_CS_CHAN,
		.platform_data = NULL,
		.controller_data = &spi_mmc_chip_info,
		.mode = SPI_MODE_3,
	},
#endif
#if defined(CONFIG_PBX)
	{
		.modalias = "fxs-spi",
		.max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 8 - CONFIG_J11_JUMPER,
		.controller_data = &spi_si3xxx_chip_info,
		.mode = SPI_MODE_3,
	},
	{
		.modalias = "fxo-spi",
		.max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 8 - CONFIG_J19_JUMPER,
		.controller_data = &spi_si3xxx_chip_info,
		.mode = SPI_MODE_3,
	},
#endif
#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
	{
		.modalias = "ad5304_spi",
		.max_speed_hz = 1250000,     /* max spi clock (SCK) speed in HZ */
		.bus_num = 0,
		.chip_select = 2,
		.platform_data = NULL,
		.controller_data = &ad5304_chip_info,
		.mode = SPI_MODE_2,
	},
#endif
#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
	{
		.modalias		= "ad7877",
		.platform_data		= &bfin_ad7877_ts_info,
		.irq			= IRQ_PF6,
		.max_speed_hz	= 12500000,     /* max spi clock (SCK) speed in HZ */
		.bus_num	= 0,
		.chip_select  = 1,
		.controller_data = &spi_ad7877_chip_info,
	},
#endif
#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
	 && defined(CONFIG_SND_SOC_WM8731_SPI)
	{
		.modalias	= "wm8731",
		.max_speed_hz	= 3125000,     /* max spi clock (SCK) speed in HZ */
		.bus_num	= 0,
		.chip_select    = 5,
		.controller_data = &spi_wm8731_chip_info,
		.mode = SPI_MODE_0,
	},
#endif
};

/* 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},
};

/* 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_IRQ,
	},
};

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_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
static struct platform_device bfin_fb_device = {
	.name = "bf537-lq035",
};
#endif

#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
static struct platform_device bfin_fb_adv7393_device = {
	.name = "bfin-adv7393",
};
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
static struct resource bfin_uart_resources[] = {
#ifdef CONFIG_SERIAL_BFIN_UART0
	{
		.start = 0xFFC00400,
		.end = 0xFFC004FF,
		.flags = IORESOURCE_MEM,
	},
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
	{
		.start = 0xFFC02000,
		.end = 0xFFC020FF,
		.flags = IORESOURCE_MEM,
	},
#endif
};

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_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_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
#define PATA_INT	55

static struct pata_platform_info bfin_pata_platform_data = {
	.ioport_shift = 1,
	.irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
};

static struct resource bfin_pata_resources[] = {
	{
		.start = 0x20314020,
		.end = 0x2031403F,
		.flags = IORESOURCE_MEM,
	},
	{
		.start = 0x2031401C,
		.end = 0x2031401F,
		.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 struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
	&bf5xx_nand_device,
#endif

#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_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
	&sl811_hcd_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_DM9000) || defined(CONFIG_DM9000_MODULE)
	&dm9000_device,
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
	&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_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
	&bfin_fb_device,
#endif

#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
	&bfin_fb_adv7393_device,
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
	&bfin_uart_device,
#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_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
	&bfin_pata_device,
#endif
};

static int __init stamp_init(void)
{
	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
	platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_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(stamp_init);

void native_machine_restart(char *cmd)
{
	/* workaround reboot hang when booting from SPI */
	if ((bfin_read_SYSCR() & 0x7) == 0x3)
		bfin_gpio_reset_spi0_ssel1();
}

/*
 * Currently the MAC address is saved in Flash by U-Boot
 */
#define FLASH_MAC	0x203f0000
void bfin_get_ether_addr(char *addr)
{
	*(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
	*(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
}
EXPORT_SYMBOL(bfin_get_ether_addr);