[coreboot-gerrit] [S] Change in coreboot[master]: soc/intel/meteorlake: Enable V1p05-PHY supply external FET control

[Sridhar Siricilla (Code Review)]

Sridhar Siricilla has submitted this change. ( https://review.coreboot.org/c/coreboot/+/72709 )

Change subject: soc/intel/meteorlake: Enable V1p05-PHY supply external FET control
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soc/intel/meteorlake: Enable V1p05-PHY supply external FET control

This patch enables S0i2.2 by letting 1.5V Phy supply to control the
externa FET.

BUG=b:256805904

Signed-off-by: Subrata Banik 
Change-Id: I8771c11ce3b305343c7e96510e1375538d5e7f04
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72709
Reviewed-by: Tarun Tuli 
Tested-by: build bot (Jenkins) 
Reviewed-by: Sukumar Ghorai 
Reviewed-by: Sridhar Siricilla 
---
M src/soc/intel/meteorlake/fsp_params.c
1 file changed, 21 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Sridhar Siricilla: Looks good to me, approved
  Sukumar Ghorai: Looks good to me, but someone else must approve
  Tarun Tuli: Looks good to me, approved

diff --git a/src/soc/intel/meteorlake/fsp_params.c b/src/soc/intel/meteorlake/fsp_params.c
index e850eaa..f8d3f6e 100644
--- a/src/soc/intel/meteorlake/fsp_params.c
+++ b/src/soc/intel/meteorlake/fsp_params.c
@@ -643,6 +643,7 @@
    s_cfg->EnergyEfficientTurbo = 1;
    s_cfg->PmcLpmS0ixSubStateEnableMask = get_supported_lpm_mask();
    s_cfg->PkgCStateDemotion = !config->disable_package_c_state_demotion;
+	s_cfg->PmcV1p05PhyExtFetControlEn = 1;
 }