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authorSimon Yang <simon1.yang@intel.com>2022-09-06 18:30:51 +0800
committerMartin Roth <martin.roth@amd.corp-partner.google.com>2022-09-08 14:19:57 +0000
commita16ed34638b32abe188c08f5027371658a299a1f (patch)
tree7af2d27a09ce75d5e5f5a302f955e22ddee9306b
parent6e007516abdb9c4f1d57afdf81d7049393aedbad (diff)
soc/intel/alderlake: add power limits for Alder Lake-N 7W soc
Missing power limit setting for Alder-Lake-N 7W soc. Document reference: 645548 and 646929 BUG=b:245440443 BRANCH=None TEST=Build FW and test on nivviks board and there is no error message "unknown SA ID: 0x4617, skipped power limits configuration." Signed-off-by: Simon Yang <simon1.yang@intel.com> Change-Id: Iefe17f5b574cc319fe9aad3850401a8aa8e31270 Reviewed-on: https://review.coreboot.org/c/coreboot/+/67374 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
-rw-r--r--src/soc/intel/alderlake/chip.h3
-rw-r--r--src/soc/intel/alderlake/chipset.cb6
2 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index 06d1ef5ef4..4cb606622a 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -30,6 +30,7 @@ enum soc_intel_alderlake_power_limits {
ADL_M_282_15W_CORE,
ADL_M_242_CORE,
ADL_P_442_45W_CORE,
+ ADL_N_081_7W_CORE,
ADL_N_081_15W_CORE,
ADL_N_041_6W_CORE,
ADL_N_021_6W_CORE,
@@ -57,6 +58,7 @@ enum soc_intel_alderlake_power_limits {
/* TDP values for different SKUs */
enum soc_intel_alderlake_cpu_tdps {
TDP_6W = 6,
+ TDP_7W = 7,
TDP_9W = 9,
TDP_12W = 12,
TDP_15W = 15,
@@ -90,6 +92,7 @@ static const struct {
{ PCI_DID_INTEL_ADL_M_ID_1, ADL_M_282_12W_CORE, TDP_12W },
{ PCI_DID_INTEL_ADL_M_ID_1, ADL_M_282_15W_CORE, TDP_15W },
{ PCI_DID_INTEL_ADL_M_ID_2, ADL_M_242_CORE, TDP_9W },
+ { PCI_DID_INTEL_ADL_N_ID_1, ADL_N_081_7W_CORE, TDP_7W },
{ PCI_DID_INTEL_ADL_N_ID_1, ADL_N_081_15W_CORE, TDP_15W },
{ PCI_DID_INTEL_ADL_N_ID_2, ADL_N_041_6W_CORE, TDP_6W },
{ PCI_DID_INTEL_ADL_N_ID_3, ADL_N_041_6W_CORE, TDP_6W },
diff --git a/src/soc/intel/alderlake/chipset.cb b/src/soc/intel/alderlake/chipset.cb
index 0016ae745f..2b9d3802a5 100644
--- a/src/soc/intel/alderlake/chipset.cb
+++ b/src/soc/intel/alderlake/chipset.cb
@@ -48,6 +48,12 @@ chip soc/intel/alderlake
.tdp_pl4 = 68,
}"
+ register "power_limits_config[ADL_N_081_7W_CORE]" = "{
+ .tdp_pl1_override = 7,
+ .tdp_pl2_override = 25,
+ .tdp_pl4 = 78,
+ }"
+
register "power_limits_config[ADL_N_081_15W_CORE]" = "{
.tdp_pl1_override = 15,
.tdp_pl2_override = 35,