diff options
Diffstat (limited to 'arch/blackfin/mach-bf518/boards/ezbrd.c')
| -rw-r--r-- | arch/blackfin/mach-bf518/boards/ezbrd.c | 794 |
1 files changed, 0 insertions, 794 deletions
diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c deleted file mode 100644 index c51d1b810ac3..000000000000 --- a/arch/blackfin/mach-bf518/boards/ezbrd.c +++ /dev/null @@ -1,794 +0,0 @@ -/* - * 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/export.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> - -/* - * 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 IS_ENABLED(CONFIG_MTD_PHYSMAP) -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 IS_ENABLED(CONFIG_SPI_BFIN5XX) - .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 IS_ENABLED(CONFIG_RTC_DRV_BFIN) -static struct platform_device rtc_device = { - .name = "rtc-bfin", - .id = -1, -}; -#endif - -#if IS_ENABLED(CONFIG_BFIN_MAC) -#include <linux/bfin_mac.h> -static const unsigned short bfin_mac_peripherals[] = { - P_MII0_ETxD0, - P_MII0_ETxD1, - P_MII0_ETxEN, - P_MII0_ERxD0, - P_MII0_ERxD1, - P_MII0_TxCLK, - P_MII0_PHYINT, - P_MII0_CRS, - P_MII0_MDC, - P_MII0_MDIO, - 0 -}; - -static struct bfin_phydev_platform_data bfin_phydev_data[] = { - { - .addr = 1, - .irq = IRQ_MAC_PHYINT, - }, -}; - -static struct bfin_mii_bus_platform_data bfin_mii_bus_data = { - .phydev_number = 1, - .phydev_data = bfin_phydev_data, - .phy_mode = PHY_INTERFACE_MODE_MII, - .mac_peripherals = bfin_mac_peripherals, - .vlan1_mask = 1, - .vlan2_mask = 2, -}; - -static struct platform_device bfin_mii_bus = { - .name = "bfin_mii_bus", - .dev = { - .platform_data = &bfin_mii_bus_data, - } -}; - -static struct platform_device bfin_mac_device = { - .name = "bfin_mac", - .dev = { - .platform_data = &bfin_mii_bus, - } -}; - -#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 = 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*/ -}; -#endif - -#if IS_ENABLED(CONFIG_MMC_SPI) -static struct bfin5xx_spi_chip mmc_spi_chip_info = { - .enable_dma = 0, -}; -#endif - -#if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877) -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 - -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 = 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 IS_ENABLED(CONFIG_MMC_SPI) - { - .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 IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877) - { - .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, - }, -#endif -#if IS_ENABLED(CONFIG_SND_SOC_WM8731) \ - && 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, - .mode = SPI_MODE_0, - }, -#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 = 1, - }, -#endif -#if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1) - { - .modalias = "bfin-lq035q1-spi", - .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 1, - .mode = SPI_CPHA | SPI_CPOL, - }, -#endif -}; - -/* SPI controller data */ -#if IS_ENABLED(CONFIG_SPI_BFIN5XX) -/* SPI (0) */ -static struct bfin5xx_spi_master bfin_spi0_info = { - .num_chipselect = 6, - .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 = 6, - .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 IS_ENABLED(CONFIG_SERIAL_BFIN) -#ifdef CONFIG_SERIAL_BFIN_UART0 -static struct resource bfin_uart0_resources[] = { - { - .start = UART0_THR, - .end = UART0_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 -#ifdef CONFIG_SERIAL_BFIN_UART1 -static struct resource bfin_uart1_resources[] = { - { - .start = UART1_THR, - .end = UART1_GCTL+2, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_UART1_TX, - .end = IRQ_UART1_TX, - .flags = IORESOURCE_IRQ, - }, - { - .start = IRQ_UART1_RX, - .end = IRQ_UART1_RX, - .flags = IORESOURCE_IRQ, - }, - { - .start = IRQ_UART1_ERROR, - .end = IRQ_UART1_ERROR, - .flags = IORESOURCE_IRQ, - }, - { - .start = CH_UART1_TX, - .end = CH_UART1_TX, - .flags = IORESOURCE_DMA, - }, - { - .start = CH_UART1_RX, - .end = CH_UART1_RX, - .flags = IORESOURCE_DMA, - }, -}; - -static unsigned short bfin_uart1_peripherals[] = { - P_UART1_TX, P_UART1_RX, 0 -}; - -static struct platform_device bfin_uart1_device = { - .name = "bfin-uart", - .id = 1, - .num_resources = ARRAY_SIZE(bfin_uart1_resources), - .resource = bfin_uart1_resources, - .dev = { - .platform_data = &bfin_uart1_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 -#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 IS_ENABLED(CONFIG_SND_BF5XX_I2S) -static struct platform_device bfin_i2s = { - .name = "bfin-i2s", - .id = CONFIG_SND_BF5XX_SPORT_NUM, - /* TODO: add platform data here */ -}; -#endif - -#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI) -static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0}; - -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, - .dev = { - .platform_data = &bfin_twi0_pins, - }, -}; -#endif - -static struct i2c_board_info __initdata bfin_i2c_board_info[] = { -#if IS_ENABLED(CONFIG_BFIN_TWI_LCD) - { - I2C_BOARD_INFO("pcf8574_lcd", 0x22), - }, -#endif -#if IS_ENABLED(CONFIG_INPUT_PCF8574) - { - I2C_BOARD_INFO("pcf8574_keypad", 0x27), - .irq = IRQ_PF8, - }, -#endif -#if IS_ENABLED(CONFIG_SND_SOC_SSM2602) - { - I2C_BOARD_INFO("ssm2602", 0x1b), - }, -#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_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 IS_ENABLED(CONFIG_SDH_BFIN) - -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 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 IS_ENABLED(CONFIG_RTC_DRV_BFIN) - &rtc_device, -#endif - -#if IS_ENABLED(CONFIG_BFIN_MAC) - &bfin_mii_bus, - &bfin_mac_device, -#endif - -#if IS_ENABLED(CONFIG_SPI_BFIN5XX) - &bfin_spi0_device, - &bfin_spi1_device, -#endif - -#if IS_ENABLED(CONFIG_SERIAL_BFIN) -#ifdef CONFIG_SERIAL_BFIN_UART0 - &bfin_uart0_device, -#endif -#ifdef CONFIG_SERIAL_BFIN_UART1 - &bfin_uart1_device, -#endif -#endif - -#if IS_ENABLED(CONFIG_BFIN_SIR) -#ifdef CONFIG_BFIN_SIR0 - &bfin_sir0_device, -#endif -#ifdef CONFIG_BFIN_SIR1 - &bfin_sir1_device, -#endif -#endif - -#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI) - &i2c_bfin_twi_device, -#endif - -#if IS_ENABLED(CONFIG_SND_BF5XX_I2S) - &bfin_i2s, -#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_SDH_BFIN) - &bf51x_sdh_device, -#endif - -#if IS_ENABLED(CONFIG_MTD_PHYSMAP) - &ezbrd_flash_device, -#endif -}; - -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 !IS_ENABLED(CONFIG_SPI_BFIN5XX) - peripheral_request(P_AMS3, "ParaFlash"); -#endif - return 0; -} - -arch_initcall(ezbrd_init); - -static struct platform_device *ezbrd_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(ezbrd_early_devices, - ARRAY_SIZE(ezbrd_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); -} - -int 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]; - } - return 0; -} -EXPORT_SYMBOL(bfin_get_ether_addr); |