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authorWerner Zeh <werner.zeh@siemens.com>2021-11-03 11:44:43 +0100
committerPatrick Georgi <pgeorgi@google.com>2021-11-04 11:05:03 +0000
commit9f7e018f0f5875fce167a75325ee08969672411c (patch)
tree623683ba9843abd600e63d5029ea7eb08c9c32c1 /src/mainboard/siemens
parent9916eb400f0c58d316d5592c5c8629676925601f (diff)
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>
Diffstat (limited to 'src/mainboard/siemens')
-rw-r--r--src/mainboard/siemens/mc_ehl/mainboard.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_ehl/mainboard.c b/src/mainboard/siemens/mc_ehl/mainboard.c
index fc03115a8e..5c8f5849df 100644
--- a/src/mainboard/siemens/mc_ehl/mainboard.c
+++ b/src/mainboard/siemens/mc_ehl/mainboard.c
@@ -125,6 +125,11 @@ void mainboard_silicon_init_params(FSP_S_CONFIG *params)
/* Disable P-States */
params->MaxRatio = 0;
+
+ /* Disable PMC low power modes */
+ params->PmcLpmS0ixSubStateEnableMask = 0;
+ params->PmcV1p05PhyExtFetControlEn = 0;
+ params->PmcV1p05IsExtFetControlEn = 0;
}
static void mainboard_init(void *chip_info)