diff options
Diffstat (limited to 'src/mainboard/google/snow/mainboard.c')
| -rw-r--r-- | src/mainboard/google/snow/mainboard.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/google/snow/mainboard.c b/src/mainboard/google/snow/mainboard.c index 756dc15325..f906e534a3 100644 --- a/src/mainboard/google/snow/mainboard.c +++ b/src/mainboard/google/snow/mainboard.c @@ -165,9 +165,17 @@ static enum exynos5_gpio_pin usb_host_vbus = GPIO_X11; static enum exynos5_gpio_pin usb_drd_vbus = GPIO_X27; /* static enum exynos5_gpio_pin hsic_reset_l = GPIO_E10; */ +static void prepare_usb(void) +{ + /* Kick this reset off early so it gets at least 100ms to settle */ + reset_usb_drd_dwc3(); +} + static void setup_usb(void) { /* HSIC not needed in firmware on this board */ + setup_usb_drd_phy(); + setup_usb_drd_dwc3(); setup_usb_host_phy(0); gpio_direction_output(usb_host_vbus, 1); @@ -260,6 +268,7 @@ static void mainboard_init(device_t dev) }; void *fb_addr = (void *)(get_fb_base_kb() * KiB); + prepare_usb(); gpio_init(); setup_storage(); @@ -273,7 +282,6 @@ static void mainboard_init(device_t dev) /* Disable USB3.0 PLL to save 250mW of power */ disable_usb30_pll(); - setup_usb(); sdmmc_vdd(); @@ -309,6 +317,8 @@ static void mainboard_init(device_t dev) if (dp_tries > MAX_DP_TRIES) printk(BIOS_ERR, "%s: Failed to set up displayport\n", __func__); + setup_usb(); + // Uncomment to get excessive GPIO output: // gpio_info(); } |