diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2021-10-28 18:02:53 +0600 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-10-29 17:10:33 +0000 |
| commit | 550bdc9050eb97d1c4ddc8d6890cd1713d65ca89 (patch) | |
| tree | a991002ee55fe3b989c6a341951dfdf6ad0da06d | |
| parent | b1700805ef121836a847668b68673f1560a90722 (diff) | |
mb/google/brya/anahera: Disable autonomous GPIO power management
With cr50 fw 0.3.22 or older version, it needs to disable autonomous
GPIO power management and then can update cr50 fw successfully.
BUG=b:202246591
TEST=FW_NAME=anahera emerge-brya coreboot chromeos-bootimage.
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Change-Id: I9137b6264ee80bc9e00dfdc3ab3926bccb4bf47c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58695
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/mainboard/google/brya/variants/anahera/overridetree.cb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/anahera/overridetree.cb b/src/mainboard/google/brya/variants/anahera/overridetree.cb index 0225f6c133..7d003b3f62 100644 --- a/src/mainboard/google/brya/variants/anahera/overridetree.cb +++ b/src/mainboard/google/brya/variants/anahera/overridetree.cb @@ -22,6 +22,17 @@ fw_config end end chip soc/intel/alderlake + # This disables autonomous GPIO power management, otherwise + # old cr50 FW only supports short pulses; need to clarify + # the minimum PCH IRQ pulse width with Intel, b/180111628 + register "gpio_override_pm" = "1" + register "gpio_pm[COMM_0]" = "0" + register "gpio_pm[COMM_1]" = "0" + register "gpio_pm[COMM_2]" = "0" + register "gpio_pm[COMM_3]" = "0" + register "gpio_pm[COMM_4]" = "0" + register "gpio_pm[COMM_5]" = "0" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value | |