| /* |
| * 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/spi/mmc_spi.h> |
| #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) |
| #include <linux/usb/isp1362.h> |
| #endif |
| #include <linux/irq.h> |
| #include <linux/i2c.h> |
| #include <asm/dma.h> |
| #include <asm/bfin5xx_spi.h> |
| #include <asm/reboot.h> |
| #include <asm/portmux.h> |
| #include <asm/dpmc.h> |
| |
| /* |
| * Name the Board for the /proc/cpuinfo |
| */ |
| const char bfin_board_name[] = "ADI BF533-STAMP"; |
| |
| #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) |
| static struct platform_device rtc_device = { |
| .name = "rtc-bfin", |
| .id = -1, |
| }; |
| #endif |
| |
| /* |
| * Driver needs to know address, irq and flag pin. |
| */ |
| #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) |
| #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_PF7, |
| .end = IRQ_PF7, |
| .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 defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) |
| static struct resource net2272_bfin_resources[] = { |
| { |
| .start = 0x20300000, |
| .end = 0x20300000 + 0x100, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = 1, |
| .flags = IORESOURCE_BUS, |
| }, { |
| .start = IRQ_PF10, |
| .end = IRQ_PF10, |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, |
| }, |
| }; |
| |
| static struct platform_device net2272_bfin_device = { |
| .name = "net2272", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(net2272_bfin_resources), |
| .resource = net2272_bfin_resources, |
| }; |
| #endif |
| |
| #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE) |
| static struct mtd_partition stamp_partitions[] = { |
| { |
| .name = "bootloader(nor)", |
| .size = 0x40000, |
| .offset = 0, |
| }, { |
| .name = "linux kernel(nor)", |
| .size = 0x180000, |
| .offset = MTDPART_OFS_APPEND, |
| }, { |
| .name = "file system(nor)", |
| .size = MTDPART_SIZ_FULL, |
| .offset = MTDPART_OFS_APPEND, |
| } |
| }; |
| |
| static struct physmap_flash_data stamp_flash_data = { |
| .width = 2, |
| .parts = stamp_partitions, |
| .nr_parts = ARRAY_SIZE(stamp_partitions), |
| }; |
| |
| static struct resource stamp_flash_resource[] = { |
| { |
| .name = "cfi_probe", |
| .start = 0x20000000, |
| .end = 0x203fffff, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */ |
| .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */ |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = GPIO_PF0, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static struct platform_device stamp_flash_device = { |
| .name = "bfin-async-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &stamp_flash_data, |
| }, |
| .num_resources = ARRAY_SIZE(stamp_flash_resource), |
| .resource = stamp_flash_resource, |
| }; |
| #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 = 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 defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) |
| #define MMC_SPI_CARD_DETECT_INT IRQ_PF5 |
| static int bfin_mmc_spi_init(struct device *dev, |
| irqreturn_t (*detect_int)(int, void *), void *data) |
| { |
| return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int, |
| IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, |
| "mmc-spi-detect", data); |
| } |
| |
| static void bfin_mmc_spi_exit(struct device *dev, void *data) |
| { |
| free_irq(MMC_SPI_CARD_DETECT_INT, data); |
| } |
| |
| static struct mmc_spi_platform_data bfin_mmc_spi_pdata = { |
| .init = bfin_mmc_spi_init, |
| .exit = bfin_mmc_spi_exit, |
| .detect_delay = 100, /* msecs */ |
| }; |
| |
| static struct bfin5xx_spi_chip mmc_spi_chip_info = { |
| .enable_dma = 0, |
| .pio_interrupt = 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 = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/ |
| .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, |
| .platform_data = "ad1836", /* only includes chip name for the moment */ |
| .mode = SPI_MODE_3, |
| }, |
| #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, |
| }, |
| #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 = 4, |
| .platform_data = &bfin_mmc_spi_pdata, |
| .controller_data = &mmc_spi_chip_info, |
| .mode = SPI_MODE_3, |
| }, |
| #endif |
| }; |
| |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| /* 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_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) |
| #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_RX, |
| .end = IRQ_UART0_RX + 1, |
| .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 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 |
| #endif |
| |
| #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) |
| #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 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_PF5, 0, "gpio-keys: BTN0"}, |
| {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"}, |
| {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"}, |
| }; |
| |
| 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_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| #include <linux/i2c-gpio.h> |
| |
| static struct i2c_gpio_platform_data i2c_gpio_data = { |
| .sda_pin = GPIO_PF2, |
| .scl_pin = GPIO_PF3, |
| .sda_is_open_drain = 0, |
| .scl_is_open_drain = 0, |
| .udelay = 40, |
| }; |
| |
| 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[] = { |
| #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE) |
| { |
| I2C_BOARD_INFO("ad7142_joystick", 0x2C), |
| .irq = 39, |
| }, |
| #endif |
| #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 = 39, |
| }, |
| #endif |
| #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) |
| { |
| I2C_BOARD_INFO("bfin-adv7393", 0x2B), |
| }, |
| #endif |
| #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE) |
| { |
| I2C_BOARD_INFO("ad5252", 0x2f), |
| }, |
| #endif |
| }; |
| |
| 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, |
| }, |
| }; |
| |
| #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) |
| static struct platform_device bfin_i2s = { |
| .name = "bfin-i2s", |
| .id = CONFIG_SND_BF5XX_SPORT_NUM, |
| /* TODO: add platform data here */ |
| }; |
| #endif |
| |
| #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) |
| static struct platform_device bfin_tdm = { |
| .name = "bfin-tdm", |
| .id = CONFIG_SND_BF5XX_SPORT_NUM, |
| /* TODO: add platform data here */ |
| }; |
| #endif |
| |
| #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) |
| static struct platform_device bfin_ac97 = { |
| .name = "bfin-ac97", |
| .id = CONFIG_SND_BF5XX_SPORT_NUM, |
| /* TODO: add platform data here */ |
| }; |
| #endif |
| |
| 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_SMC91X) || defined(CONFIG_SMC91X_MODULE) |
| &smc91x_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_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) |
| #ifdef CONFIG_SERIAL_BFIN_UART0 |
| &bfin_uart0_device, |
| #endif |
| #endif |
| |
| #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) |
| #ifdef CONFIG_BFIN_SIR0 |
| &bfin_sir0_device, |
| #endif |
| #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 |
| |
| #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| &bfin_device_gpiokeys, |
| #endif |
| |
| #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| &i2c_gpio_device, |
| #endif |
| |
| #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE) |
| &stamp_flash_device, |
| #endif |
| |
| #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) |
| &bfin_i2s, |
| #endif |
| |
| #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) |
| &bfin_tdm, |
| #endif |
| |
| #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) |
| &bfin_ac97, |
| #endif |
| }; |
| |
| static int __init net2272_init(void) |
| { |
| #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) |
| int ret; |
| |
| /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */ |
| ret = gpio_request(GPIO_PF0, "net2272"); |
| if (ret) |
| return ret; |
| |
| ret = gpio_request(GPIO_PF1, "net2272"); |
| if (ret) { |
| gpio_free(GPIO_PF0); |
| return ret; |
| } |
| |
| ret = gpio_request(GPIO_PF11, "net2272"); |
| if (ret) { |
| gpio_free(GPIO_PF0); |
| gpio_free(GPIO_PF1); |
| return ret; |
| } |
| |
| gpio_direction_output(GPIO_PF0, 0); |
| gpio_direction_output(GPIO_PF1, 1); |
| |
| /* Reset the USB chip */ |
| gpio_direction_output(GPIO_PF11, 0); |
| mdelay(2); |
| gpio_set_value(GPIO_PF11, 1); |
| #endif |
| |
| return 0; |
| } |
| |
| static int __init stamp_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 defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) |
| /* |
| * 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 |
| |
| if (net2272_init()) |
| pr_warning("unable to configure net2272; it probably won't work\n"); |
| |
| spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); |
| return 0; |
| } |
| |
| arch_initcall(stamp_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)); |
| } |
| |
| void native_machine_restart(char *cmd) |
| { |
| /* workaround pull up on cpld / flash pin not being strong enough */ |
| gpio_request(GPIO_PF0, "flash_cpld"); |
| gpio_direction_output(GPIO_PF0, 0); |
| } |