diff options
| author | Bo-Chen Chen <rex-bc.chen@mediatek.com> | 2023-01-30 18:58:01 +0800 |
|---|---|---|
| committer | Paul Fagerburg <pfagerburg@chromium.org> | 2023-02-01 14:59:11 +0000 |
| commit | 6453cffd215666162fdee2d9cb0660b7ff68dcc7 (patch) | |
| tree | 870d812cd99da18d789bf1ec1788c804c67c71b0 | |
| parent | 0bff4b05b8800aa1bca5ef43732bf9ead859a304 (diff) | |
mb/google/geralt: Add USB3 HUB reset funtion to bootblock
After powering on the device, we need to pull USB3_HUB_RST_L up to
enable USB3 Hub.
TEST=boot kernel from USB ok
BUG=b:264841530
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Signed-off-by: Liju-Clr Chen <liju-clr.chen@mediatek.com>
Change-Id: I8df35efb78e90a5b3314840fe2eae81d6e501242
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72594
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/google/geralt/bootblock.c | 7 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/gpio.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/bootblock.c b/src/mainboard/google/geralt/bootblock.c index 4476aab2b8..2bd69add2c 100644 --- a/src/mainboard/google/geralt/bootblock.c +++ b/src/mainboard/google/geralt/bootblock.c @@ -2,12 +2,18 @@ #include <bootblock_common.h> #include <device/mmio.h> +#include <gpio.h> #include <soc/gpio.h> #include <soc/i2c.h> #include <soc/spi.h> #include "gpio.h" +static void usb3_hub_reset(void) +{ + gpio_output(GPIO_USB3_HUB_RST_L, 1); +} + void bootblock_mainboard_init(void) { mtk_i2c_bus_init(CONFIG_DRIVER_TPM_I2C_BUS, I2C_SPEED_FAST); @@ -15,4 +21,5 @@ void bootblock_mainboard_init(void) mtk_snfc_init(); setup_chromeos_gpios(); gpio_eint_configure(GPIO_GSC_AP_INT_ODL, IRQ_TYPE_EDGE_RISING); + usb3_hub_reset(); } diff --git a/src/mainboard/google/geralt/gpio.h b/src/mainboard/google/geralt/gpio.h index 379377973d..7eec8f1506 100644 --- a/src/mainboard/google/geralt/gpio.h +++ b/src/mainboard/google/geralt/gpio.h @@ -22,6 +22,8 @@ #define GPIO_SD_CD_ODL GPIO(I2SIN_MCK) +#define GPIO_USB3_HUB_RST_L GPIO(MSDC2_DAT0) + void setup_chromeos_gpios(void); #endif |