diff options
| author | Tyler Wang <tyler.wang@quanta.corp-partner.google.com> | 2024-01-26 17:20:38 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-01-30 12:31:42 +0000 |
| commit | 33387eb23dc63a7382b1cb0f86c2c4ae510df153 (patch) | |
| tree | 7de3e796f7c32effe34c6672c82f189765532286 /src | |
| parent | 0ab39181dbf7ecc76e1ebe9c6be154891841ce11 (diff) | |
mb/google/rex/var/karis: Toggle NVMe PWR pin to reset SSD
Follow reference design rex0, toggles NVMe PWR pin as soon as
in early stage to make NVMe ready sooner.
BUG=none
TEST=Build karis and try warm reboot from OS console. Check the DUT
with WD SSD boots to OS again.
Change-Id: I24a702f02278355c4f2137f0d05c8a9da7cb3c1c
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80213
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/rex/variants/karis/gpio.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c index 69921a8e38..8c0f9293dd 100644 --- a/src/mainboard/google/rex/variants/karis/gpio.c +++ b/src/mainboard/google/rex/variants/karis/gpio.c @@ -367,6 +367,11 @@ static const struct pad_config gpio_table[] = { /* Early pad configuration in bootblock */ static const struct pad_config early_gpio_table[] = { + /* GPP_A19 : [] ==> EN_PP3300_SSD */ + PAD_CFG_GPO(GPP_A19, 0, DEEP), + /* GPP_A20 : [] ==> SSD_PERST_L */ + PAD_CFG_GPO(GPP_A20, 1, DEEP), + /* GPP_B16 : [] ==> SOC_HDMI_HPD_L */ PAD_CFG_NF(GPP_B16, NONE, DEEP, NF2), /* GPP_B18 : [] ==> SOC_I2C_TPM_SDA */ @@ -393,9 +398,6 @@ static const struct pad_config early_gpio_table[] = { /* GPP_E13 : [] ==> MEM_CH_SEL */ PAD_CFG_GPI(GPP_E13, NONE, DEEP), - /* GPP_A20 : [] ==> SSD_PERST_L */ - PAD_CFG_GPO(GPP_A20, 0, DEEP), - /* GPP_H10 : [] ==> SOC_WP_OD */ PAD_CFG_GPI_GPIO_DRIVER_LOCK(GPP_H10, NONE, LOCK_CONFIG), @@ -404,6 +406,9 @@ static const struct pad_config early_gpio_table[] = { }; static const struct pad_config romstage_gpio_table[] = { + /* GPP_A19 : [] ==> EN_PP3300_SSD */ + PAD_CFG_GPO(GPP_A19, 1, DEEP), + /* GPP_B11 : [] ==> EN_FP_PWR */ PAD_CFG_GPO(GPP_B11, 0, DEEP), /* A20 : [] ==> SSD_PERST_L */ |