diff options
| -rw-r--r-- | board/keymile/km_arm/km_arm.c | 43 | ||||
| -rw-r--r-- | include/configs/km/km_arm.h | 1 |
2 files changed, 29 insertions, 15 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index ea5d0db..2b2ca39 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -243,38 +243,51 @@ int misc_init_r(void) int board_early_init_f(void) { +#if defined(CONFIG_SOFT_I2C) u32 tmp; + /* set the 2 bitbang i2c pins as output gpios */ + tmp = readl(KW_GPIO0_BASE + 4); + writel(tmp & (~KM_KIRKWOOD_SOFT_I2C_GPIOS) , KW_GPIO0_BASE + 4); +#endif + kirkwood_mpp_conf(kwmpp_config, NULL); + return 0; +} +int board_init(void) +{ /* - * The FLASH_GPIO_PIN switches between using a + * arch number of board + */ + gd->bd->bi_arch_number = MACH_TYPE_KM_KIRKWOOD; + + /* address of boot parameters */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + /* + * The KM_FLASH_GPIO_PIN switches between using a * NAND or a SPI FLASH. Set this pin on start * to NAND mode. */ - tmp = readl(KW_GPIO0_BASE); - writel(tmp | FLASH_GPIO_PIN , KW_GPIO0_BASE); - tmp = readl(KW_GPIO0_BASE + 4); - writel(tmp & (~FLASH_GPIO_PIN) , KW_GPIO0_BASE + 4); + kw_gpio_set_valid(KM_FLASH_GPIO_PIN, 1); + kw_gpio_direction_output(KM_FLASH_GPIO_PIN, 1); #if defined(CONFIG_SOFT_I2C) - /* init the GPIO for I2C Bitbang driver */ + /* + * Reinit the GPIO for I2C Bitbang driver so that the now + * available gpio framework is consistent. The calls to + * direction output in are not necessary, they are already done in + * board_early_init_f + */ kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1); kw_gpio_set_valid(KM_KIRKWOOD_SCL_PIN, 1); - kw_gpio_direction_output(KM_KIRKWOOD_SDA_PIN, 0); - kw_gpio_direction_output(KM_KIRKWOOD_SCL_PIN, 0); #endif + #if defined(CONFIG_SYS_EEPROM_WREN) kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38); kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1); #endif - return 0; -} - -int board_init(void) -{ - /* address of boot parameters */ - gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; #if defined(CONFIG_KM_FPGA_CONFIG) trigger_fpga_config(); diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h index 1a5f04b..3aa5ca1 100644 --- a/include/configs/km/km_arm.h +++ b/include/configs/km/km_arm.h @@ -192,6 +192,7 @@ int get_sda(void); int get_scl(void); #define KM_KIRKWOOD_SDA_PIN 8 #define KM_KIRKWOOD_SCL_PIN 9 +#define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300 #define KM_KIRKWOOD_ENV_WP 38 #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0) |