| /* |
| * Copyright 2004-2009 Analog Devices Inc. |
| * 2005 National ICT Australia (NICTA) |
| * Aidan Williams <aidan@nicta.com.au> |
| * |
| * 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/i2c.h> |
| #include <linux/irq.h> |
| #include <linux/interrupt.h> |
| #include <asm/dma.h> |
| #include <asm/bfin5xx_spi.h> |
| #include <asm/reboot.h> |
| #include <asm/portmux.h> |
| #include <asm/dpmc.h> |
| #include <asm/bfin_sdh.h> |
| #include <linux/spi/ad7877.h> |
| #include <net/dsa.h> |
| |
| /* |
| * Name the Board for the /proc/cpuinfo |
| */ |
| const char bfin_board_name[] = "ADI BF518F-EZBRD"; |
| |
| /* |
| * Driver needs to know address, irq and flag pin. |
| */ |
| |
| #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) |
| static struct mtd_partition ezbrd_partitions[] = { |
| { |
| .name = "bootloader(nor)", |
| .size = 0x40000, |
| .offset = 0, |
| }, { |
| .name = "linux kernel(nor)", |
| .size = 0x1C0000, |
| .offset = MTDPART_OFS_APPEND, |
| }, { |
| .name = "file system(nor)", |
| .size = MTDPART_SIZ_FULL, |
| .offset = MTDPART_OFS_APPEND, |
| } |
| }; |
| |
| static struct physmap_flash_data ezbrd_flash_data = { |
| .width = 2, |
| .parts = ezbrd_partitions, |
| .nr_parts = ARRAY_SIZE(ezbrd_partitions), |
| }; |
| |
| static struct resource ezbrd_flash_resource = { |
| .start = 0x20000000, |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| .end = 0x202fffff, |
| #else |
| .end = 0x203fffff, |
| #endif |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device ezbrd_flash_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &ezbrd_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &ezbrd_flash_resource, |
| }; |
| #endif |
| |
| #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_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, |
| }; |
| |
| #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) |
| static struct dsa_chip_data ksz8893m_switch_chip_data = { |
| .mii_bus = &bfin_mii_bus.dev, |
| .port_names = { |
| NULL, |
| "eth%d", |
| "eth%d", |
| "cpu", |
| }, |
| }; |
| static struct dsa_platform_data ksz8893m_switch_data = { |
| .nr_chips = 1, |
| .netdev = &bfin_mac_device.dev, |
| .chip = &ksz8893m_switch_chip_data, |
| }; |
| |
| static struct platform_device ksz8893m_switch_device = { |
| .name = "dsa", |
| .id = 0, |
| .num_resources = 0, |
| .dev.platform_data = &ksz8893m_switch_data, |
| }; |
| #endif |
| #endif |
| |
| #if defined(CONFIG_MTD_M25P80) \ |
| || defined(CONFIG_MTD_M25P80_MODULE) |
| 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 = 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 = "m25p16", |
| }; |
| |
| /* 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_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) |
| #if defined(CONFIG_NET_DSA_KSZ8893M) \ |
| || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) |
| /* SPI SWITCH CHIP */ |
| static struct bfin5xx_spi_chip spi_switch_info = { |
| .enable_dma = 0, |
| .bits_per_word = 8, |
| }; |
| #endif |
| #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 |
| |
| #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 |
| |
| #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) |
| static struct bfin5xx_spi_chip spidev_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 = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */ |
| .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_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) |
| #if defined(CONFIG_NET_DSA_KSZ8893M) \ |
| || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) |
| { |
| .modalias = "ksz8893m", |
| .max_speed_hz = 5000000, |
| .bus_num = 0, |
| .chip_select = 1, |
| .platform_data = NULL, |
| .controller_data = &spi_switch_info, |
| .mode = SPI_MODE_3, |
| }, |
| #endif |
| #endif |
| |
| #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) |
| { |
| .modalias = "mmc_spi", |
| .max_speed_hz = 25000000, /* 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 defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) |
| { |
| .modalias = "ad7877", |
| .platform_data = &bfin_ad7877_ts_info, |
| .irq = IRQ_PF8, |
| .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, |
| .chip_select = 2, |
| .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 |
| #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) |
| { |
| .modalias = "spidev", |
| .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, |
| .chip_select = 1, |
| .controller_data = &spidev_chip_info, |
| }, |
| #endif |
| #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) |
| { |
| .modalias = "bfin-lq035q1-spi", |
| .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, |
| .chip_select = 1, |
| .controller_data = &lq035q1_spi_chip_info, |
| .mode = SPI_CPHA | SPI_CPOL, |
| }, |
| #endif |
| }; |
| |
| /* SPI controller data */ |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| /* SPI (0) */ |
| static struct bfin5xx_spi_master bfin_spi0_info = { |
| .num_chipselect = 5, |
| .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 resource bfin_spi0_resource[] = { |
| [0] = { |
| .start = SPI0_REGBASE, |
| .end = SPI0_REGBASE + 0xFF, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = CH_SPI0, |
| .end = CH_SPI0, |
| .flags = IORESOURCE_DMA, |
| }, |
| [2] = { |
| .start = IRQ_SPI0, |
| .end = IRQ_SPI0, |
| .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 */ |
| }, |
| }; |
| |
| /* SPI (1) */ |
| static struct bfin5xx_spi_master bfin_spi1_info = { |
| .num_chipselect = 5, |
| .enable_dma = 1, /* master has the ability to do dma transfer */ |
| .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0}, |
| }; |
| |
| static struct resource bfin_spi1_resource[] = { |
| [0] = { |
| .start = SPI1_REGBASE, |
| .end = SPI1_REGBASE + 0xFF, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = CH_SPI1, |
| .end = CH_SPI1, |
| .flags = IORESOURCE_DMA, |
| }, |
| [2] = { |
| .start = IRQ_SPI1, |
| .end = IRQ_SPI1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device bfin_spi1_device = { |
| .name = "bfin-spi", |
| .id = 1, /* Bus number */ |
| .num_resources = ARRAY_SIZE(bfin_spi1_resource), |
| .resource = bfin_spi1_resource, |
| .dev = { |
| .platform_data = &bfin_spi1_info, /* Passed to driver */ |
| }, |
| }; |
| #endif /* spi master and devices */ |
| |
| #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_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 |
| |
| static struct i2c_board_info __initdata bfin_i2c_board_info[] = { |
| #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE) |
| { |
| I2C_BOARD_INFO("pcf8574_lcd", 0x22), |
| }, |
| #endif |
| #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE) |
| { |
| I2C_BOARD_INFO("pcf8574_keypad", 0x27), |
| .irq = IRQ_PF8, |
| }, |
| #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_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| #include <linux/input.h> |
| #include <linux/gpio_keys.h> |
| |
| static struct gpio_keys_button bfin_gpio_keys_table[] = { |
| {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"}, |
| {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"}, |
| }; |
| |
| 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 defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) |
| |
| static struct bfin_sd_host bfin_sdh_data = { |
| .dma_chan = CH_RSI, |
| .irq_int0 = IRQ_RSI_INT0, |
| .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0}, |
| }; |
| |
| static struct platform_device bf51x_sdh_device = { |
| .name = "bfin-sdh", |
| .id = 0, |
| .dev = { |
| .platform_data = &bfin_sdh_data, |
| }, |
| }; |
| #endif |
| |
| static struct resource bfin_gpios_resources = { |
| .start = 0, |
| .end = MAX_BLACKFIN_GPIOS - 1, |
| .flags = IORESOURCE_IRQ, |
| }; |
| |
| static struct platform_device bfin_gpios_device = { |
| .name = "simple-gpio", |
| .id = -1, |
| .num_resources = 1, |
| .resource = &bfin_gpios_resources, |
| }; |
| |
| static const unsigned int cclk_vlev_datasheet[] = |
| { |
| VRPAIR(VLEV_100, 400000000), |
| VRPAIR(VLEV_105, 426000000), |
| VRPAIR(VLEV_110, 500000000), |
| VRPAIR(VLEV_115, 533000000), |
| VRPAIR(VLEV_120, 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 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, |
| #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) |
| &ksz8893m_switch_device, |
| #endif |
| #endif |
| |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| &bfin_spi0_device, |
| &bfin_spi1_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_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| &bfin_device_gpiokeys, |
| #endif |
| |
| #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) |
| &bf51x_sdh_device, |
| #endif |
| |
| #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) |
| &ezbrd_flash_device, |
| #endif |
| |
| &bfin_gpios_device, |
| }; |
| |
| static int __init ezbrd_init(void) |
| { |
| printk(KERN_INFO "%s(): registering device resources\n", __func__); |
| i2c_register_board_info(0, bfin_i2c_board_info, |
| ARRAY_SIZE(bfin_i2c_board_info)); |
| platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); |
| spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); |
| /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */ |
| peripheral_request(P_AMS2, "ParaFlash"); |
| #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE) |
| peripheral_request(P_AMS3, "ParaFlash"); |
| #endif |
| return 0; |
| } |
| |
| arch_initcall(ezbrd_init); |
| |
| 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); |
| } |
| |
| void bfin_get_ether_addr(char *addr) |
| { |
| /* the MAC is stored in OTP memory page 0xDF */ |
| u32 ret; |
| u64 otp_mac; |
| u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A; |
| |
| ret = otp_read(0xDF, 0x00, &otp_mac); |
| if (!(ret & 0x1)) { |
| char *otp_mac_p = (char *)&otp_mac; |
| for (ret = 0; ret < 6; ++ret) |
| addr[ret] = otp_mac_p[5 - ret]; |
| } |
| } |
| EXPORT_SYMBOL(bfin_get_ether_addr); |