Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/48649 )
Change subject: mb/google/volteer: Set FORCE_PWR low at boot time ......................................................................
mb/google/volteer: Set FORCE_PWR low at boot time
While FORCE_PWR is set high, it prevents retimer from entering low power state. S0ix failure occurs while USB4 Gatkex is connected on Port-0. This change sets FORCE_PWR(GPP_H10) low. This FORCE_PWR GPIO will be toggled by kernel through DSM method while updating retimer firmware.
BUG=b:174166586 Cq-Depend: chromium:2594438 TEST=Verifed s0ix cycles with USB4 Gatkex connected on Port-0.
Signed-off-by: John Zhao john.zhao@intel.com Change-Id: Ie4b442e1078379c522a94bfdc00cd99e6f9b8170 Reviewed-on: https://review.coreboot.org/c/coreboot/+/48649 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Duncan Laurie dlaurie@chromium.org Reviewed-by: Tim Wawrzynczak twawrzynczak@chromium.org --- M src/mainboard/google/volteer/variants/baseboard/gpio.c M src/mainboard/google/volteer/variants/terrador/gpio.c M src/mainboard/google/volteer/variants/todor/gpio.c M src/mainboard/google/volteer/variants/voema/gpio.c 4 files changed, 4 insertions(+), 4 deletions(-)
Approvals: build bot (Jenkins): Verified Duncan Laurie: Looks good to me, approved Tim Wawrzynczak: Looks good to me, approved
diff --git a/src/mainboard/google/volteer/variants/baseboard/gpio.c b/src/mainboard/google/volteer/variants/baseboard/gpio.c index 922d3d1..2030f31 100644 --- a/src/mainboard/google/volteer/variants/baseboard/gpio.c +++ b/src/mainboard/google/volteer/variants/baseboard/gpio.c @@ -308,7 +308,7 @@ /* H9 : I2C4_SCL ==> NC */ PAD_NC(GPP_H9, NONE), /* H10 : SRCCLKREQ4# ==> USB_C1_RT_FORCE_PWR */ - PAD_CFG_GPO(GPP_H10, 1, DEEP), + PAD_CFG_GPO(GPP_H10, 0, DEEP), /* H11 : SRCCLKREQ5# ==> NC */ PAD_NC(GPP_H11, NONE), /* H12 : M2_SKT2_CFG0 ==> NONE */ diff --git a/src/mainboard/google/volteer/variants/terrador/gpio.c b/src/mainboard/google/volteer/variants/terrador/gpio.c index d5498d0..79722d8 100644 --- a/src/mainboard/google/volteer/variants/terrador/gpio.c +++ b/src/mainboard/google/volteer/variants/terrador/gpio.c @@ -139,7 +139,7 @@ /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */ PAD_CFG_GPO(GPP_H3, 1, DEEP), /* H10 : SRCCLKREQ4# ==> USB_C_MIX_RT_FORCE_PWR */ - PAD_CFG_GPO(GPP_H10, 1, DEEP), + PAD_CFG_GPO(GPP_H10, 0, DEEP), /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */ PAD_CFG_GPI(GPP_H13, NONE, DEEP), /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */ diff --git a/src/mainboard/google/volteer/variants/todor/gpio.c b/src/mainboard/google/volteer/variants/todor/gpio.c index 40d25a5..0391964 100644 --- a/src/mainboard/google/volteer/variants/todor/gpio.c +++ b/src/mainboard/google/volteer/variants/todor/gpio.c @@ -147,7 +147,7 @@ /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */ PAD_CFG_GPO(GPP_H3, 1, DEEP), /* H10 : SRCCLKREQ4# ==> USB_C_MIX_RT_FORCE_PWR */ - PAD_CFG_GPO(GPP_H10, 1, DEEP), + PAD_CFG_GPO(GPP_H10, 0, DEEP), /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */ PAD_CFG_GPI(GPP_H13, NONE, DEEP), /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */ diff --git a/src/mainboard/google/volteer/variants/voema/gpio.c b/src/mainboard/google/volteer/variants/voema/gpio.c index d905dae..5bf6fad 100644 --- a/src/mainboard/google/volteer/variants/voema/gpio.c +++ b/src/mainboard/google/volteer/variants/voema/gpio.c @@ -137,7 +137,7 @@ /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */ PAD_CFG_GPO(GPP_H3, 1, DEEP), /* H10 : SRCCLKREQ4# ==> USB_C_MIX_RT_FORCE_PWR */ - PAD_CFG_GPO(GPP_H10, 1, DEEP), + PAD_CFG_GPO(GPP_H10, 0, DEEP), /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */ PAD_CFG_GPI(GPP_H13, NONE, DEEP), /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */