diff options
| author | Terry Chen <terry_chen@wistron.corp-partner.google.com> | 2022-06-08 17:47:06 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-06-15 18:04:46 +0000 |
| commit | ef51b6d74285aa174e3898b4de7ce28048ebabdb (patch) | |
| tree | aead5e6b98e5eba82d20121195447bc59d0e8c22 | |
| parent | 1f07797d849cd86dea3a81f79454821b7217032f (diff) | |
mb/google/brya/var/crota: Enable VNN_1.05v_bypass rail
Some SKUs of crota have VNN 1.05v bypass rails for additional
power savings in S0ix states. This patch uses FW_CONFIG to enable
that feature when run on the applicable SKUs.
BUG=b:233175019
BRANCH=none
TEST=emerge-brya coreboot and verified pass
Signed-off-by: Terry Chen <terry_chen@wistron.corp-partner.google.com>
Change-Id: Iaade50f4fe821b7114b3e2d44bda0747816da11c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65020
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Cyan Yang <cyan.yang@intel.corp-partner.google.com>
Reviewed-by: YH Lin <yueherngl@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/mainboard/google/brya/variants/crota/variant.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/crota/variant.c b/src/mainboard/google/brya/variants/crota/variant.c index 29f684aa08..e8c62ebdc2 100644 --- a/src/mainboard/google/brya/variants/crota/variant.c +++ b/src/mainboard/google/brya/variants/crota/variant.c @@ -9,3 +9,20 @@ const char *get_wifi_sar_cbfs_filename(void) { return "wifi_sar_0.hex"; } + +void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) +{ + if (fw_config_probe(FW_CONFIG(DB_LTE, LTE_USB))) { + config->ext_fivr_settings.configure_ext_fivr = 1; + config->ext_fivr_settings.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX; + config->ext_fivr_settings.vnn_enable_bitmap = FIVR_ENABLE_ALL_SX; + config->ext_fivr_settings.v1p05_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION; + config->ext_fivr_settings.vnn_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION; + config->ext_fivr_settings.v1p05_icc_max_ma = 500; + config->ext_fivr_settings.vnn_sx_voltage_mv = 1250; + } +} |