From 794137e2a82eca7e7b2428759007155243009720 Mon Sep 17 00:00:00 2001
From: Subrata Banik <subratabanik@google.com>
Date: Wed, 1 Feb 2023 17:19:50 +0530
Subject: [PATCH] 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 <subratabanik@google.com>
Change-Id: I8771c11ce3b305343c7e96510e1375538d5e7f04
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72709
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sukumar Ghorai <sukumar.ghorai@intel.com>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
---
 src/soc/intel/meteorlake/fsp_params.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/soc/intel/meteorlake/fsp_params.c b/src/soc/intel/meteorlake/fsp_params.c
index e850eaa259..f8d3f6e0b5 100644
--- a/src/soc/intel/meteorlake/fsp_params.c
+++ b/src/soc/intel/meteorlake/fsp_params.c
@@ -643,6 +643,7 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
 	s_cfg->EnergyEfficientTurbo = 1;
 	s_cfg->PmcLpmS0ixSubStateEnableMask = get_supported_lpm_mask();
 	s_cfg->PkgCStateDemotion = !config->disable_package_c_state_demotion;
+	s_cfg->PmcV1p05PhyExtFetControlEn = 1;
 }