diff options
| author | V Sowmya <v.sowmya@intel.com> | 2022-04-08 14:36:13 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-05-18 20:38:15 +0000 |
| commit | ee449451878ad41caa8724d6435f32c1af474d7b (patch) | |
| tree | 619b1cb810d65b10bb997a06e82a06981a9385bc /src | |
| parent | 2af96025fcde0727d7bc358c90cadbe07645e084 (diff) | |
soc/intel/alderlake: Add support enable external V1P05/Vnn rails
This patch adds the support to enable the external V1P05/Vnn rails
in S0 state via devicetree.
BUG=b:223102016
Signed-off-by: V Sowmya <v.sowmya@intel.com>
Change-Id: I555e5607af15a5f5d83ef74321b1b71f17cca289
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/alderlake/chip.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index 7934a8635a..665a68c100 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -82,7 +82,7 @@ enum ddi_port_flags { /* * Enable External V1P05/Vnn/VnnSx Rail in: BIT0:S0i1/S0i2, - * BIT1:S0i3, BIT2:S3, BIT3:S4, BIT4:S5 + * BIT1:S0i3, BIT2:S3, BIT3:S4, BIT4:S5, BIT5:S0. */ enum fivr_enable_states { FIVR_ENABLE_S0i1_S0i2 = BIT(0), @@ -90,6 +90,7 @@ enum fivr_enable_states { FIVR_ENABLE_S3 = BIT(2), FIVR_ENABLE_S4 = BIT(3), FIVR_ENABLE_S5 = BIT(4), + FIVR_ENABLE_S0 = BIT(5), }; /* @@ -107,7 +108,7 @@ enum fivr_voltage_supported { }; #define FIVR_ENABLE_ALL_SX (FIVR_ENABLE_S0i1_S0i2 | FIVR_ENABLE_S0i3 | \ - FIVR_ENABLE_S3 | FIVR_ENABLE_S4 | FIVR_ENABLE_S5) + FIVR_ENABLE_S3 | FIVR_ENABLE_S4 | FIVR_ENABLE_S5 | FIVR_ENABLE_S0) /* * The Max Pkg Cstate * Values 0 - C0/C1, 1 - C2, 2 - C3, 3 - C6, 4 - C7, 5 - C7S, 6 - C8, 7 - C9, 8 - C10, |