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mb/siemens/mc_ehl: Disable PMC low power modes 

All the mainboard variants of mc_ehl do not use the external switches
for the bypass rails. Disable the matching UPDs and all the low power
modes of the PMC.

Change-Id: I08f4effe5c4d5845bed01dfe1bd1251c58012b7f
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58895
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-by: Lean Sheng Tan <lean.sheng.tan@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Werner Zeh 2021-11-03 11:44:43 +01:00 committed by Patrick Georgi
parent 9916eb400f
commit 9f7e018f0f
1 changed files with 5 additions and 0 deletions
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5
src/mainboard/siemens/mc_ehl/mainboard.c
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@ -125,6 +125,11 @@ void mainboard_silicon_init_params(FSP_S_CONFIG *params)
/* Disable P-States */ /* Disable P-States */
params->MaxRatio = 0; params->MaxRatio = 0;
/* Disable PMC low power modes */
params->PmcLpmS0ixSubStateEnableMask = 0;
params->PmcV1p05PhyExtFetControlEn = 0;
params->PmcV1p05IsExtFetControlEn = 0;
} }
static void mainboard_init(void *chip_info) static void mainboard_init(void *chip_info)