diff options
Diffstat (limited to 'src/mainboard/google/snow')
| -rw-r--r-- | src/mainboard/google/snow/mainboard.c | 30 | ||||
| -rw-r--r-- | src/mainboard/google/snow/romstage.c | 19 |
2 files changed, 30 insertions, 19 deletions
diff --git a/src/mainboard/google/snow/mainboard.c b/src/mainboard/google/snow/mainboard.c index 23b7072592..9fc2fe6d26 100644 --- a/src/mainboard/google/snow/mainboard.c +++ b/src/mainboard/google/snow/mainboard.c @@ -38,6 +38,8 @@ #include "exynos5250.h" +#define MMC0_GPIO_PIN (58) + /* convenient shorthand (in MB) */ #define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20) #define DRAM_SIZE CONFIG_DRAM_SIZE_MB @@ -132,6 +134,7 @@ static void backlight_en(void) #define TPS65090_BUS 4 /* Snow-specific */ #define FET1_CTRL 0x0f +#define FET4_CTRL 0x12 #define FET6_CTRL 0x14 static void lcd_vdd(void) @@ -147,6 +150,12 @@ static void backlight_vdd(void) udelay(LCD_T5_DELAY_MS * 1000); } +static void sdmmc_vdd(void) +{ + /* Enable FET4, P3.3V_SDCARD */ + tps65090_fet_enable(TPS65090_BUS, FET4_CTRL); +} + //static struct video_info smdk5250_dp_config = { static struct video_info dp_video_info = { /* FIXME: fix video_info struct to use const for name */ @@ -179,6 +188,24 @@ static void disable_usb30_pll(void) gpio_direction_output(usb3_pll_l, 0); } +static void setup_storage(void) +{ + /* MMC0: Fixed, 8 bit mode, connected with GPIO. */ + if (clock_set_mshci(PERIPH_ID_SDMMC0)) + printk(BIOS_CRIT, "%s: Failed to set MMC0 clock.\n", __func__); + if (gpio_direction_output(MMC0_GPIO_PIN, 1)) { + printk(BIOS_CRIT, "%s: Unable to power on MMC0.\n", __func__); + } + gpio_set_pull(MMC0_GPIO_PIN, GPIO_PULL_NONE); + gpio_set_drv(MMC0_GPIO_PIN, GPIO_DRV_4X); + exynos_pinmux_sdmmc0(); + + /* MMC2: Removable, 4 bit mode, no GPIO. */ + /* (Must be after romstage to avoid breaking SDMMC boot.) */ + clock_set_mshci(PERIPH_ID_SDMMC2); + exynos_pinmux_sdmmc2(); +} + static void gpio_init(void) { /* Set up the I2C busses. */ @@ -217,6 +244,7 @@ static void mainboard_init(device_t dev) void *fb_addr = (void *)(get_fb_base_kb() * KiB); gpio_init(); + setup_storage(); i2c_init(TPS65090_BUS, I2C_0_SPEED, I2C_SLAVE); i2c_init(7, I2C_0_SPEED, I2C_SLAVE); @@ -229,6 +257,8 @@ static void mainboard_init(device_t dev) /* Disable USB3.0 PLL to save 250mW of power */ disable_usb30_pll(); + sdmmc_vdd(); + set_vbe_mode_info_valid(&edid, (uintptr_t)fb_addr); lcd_vdd(); diff --git a/src/mainboard/google/snow/romstage.c b/src/mainboard/google/snow/romstage.c index 3a8b5e897d..44074c58bf 100644 --- a/src/mainboard/google/snow/romstage.c +++ b/src/mainboard/google/snow/romstage.c @@ -42,7 +42,6 @@ #include "exynos5250.h" #define PMIC_BUS 0 -#define MMC0_GPIO_PIN (58) static void setup_power(int is_resume) { @@ -96,23 +95,6 @@ static void setup_power(int is_resume) } } -static void setup_storage(void) -{ - /* MMC0: Fixed, 8 bit mode, connected with GPIO. */ - if (clock_set_mshci(PERIPH_ID_SDMMC0)) - printk(BIOS_CRIT, "%s: Failed to set MMC0 clock.\n", __func__); - if (gpio_direction_output(MMC0_GPIO_PIN, 1)) { - printk(BIOS_CRIT, "%s: Unable to power on MMC0.\n", __func__); - } - gpio_set_pull(MMC0_GPIO_PIN, GPIO_PULL_NONE); - gpio_set_drv(MMC0_GPIO_PIN, GPIO_DRV_4X); - exynos_pinmux_sdmmc0(); - - /* MMC2: Removable, 4 bit mode, no GPIO. */ - clock_set_mshci(PERIPH_ID_SDMMC2); - exynos_pinmux_sdmmc2(); -} - static void setup_graphics(void) { exynos_pinmux_dphpd(); @@ -176,7 +158,6 @@ void main(void) wakeup(); } - setup_storage(); setup_gpio(); setup_graphics(); |