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| author | Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> | 2020-07-20 15:44:59 +0530 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2020-07-25 00:07:36 +0000 |
| commit | 1a621507098a16de167f2904aa2f9f23e9bff800 (patch) | |
| tree | 3df2560e747babc3b6df5d15f98a449066f19888 /src | |
| parent | 60f178db65ca2a804da0cb887bf1d6d737b8235f (diff) | |
| download | coreboot-1a621507098a16de167f2904aa2f9f23e9bff800.tar.xz | |
soc/intel/tigerlake: Set power limits for Tiger Lake Y-SKU
Set power limits in devicetree for Tiger Lake Y-SKU based volteer
variant boards.
BUG=b:152639350
BRANCH=None
TEST=Built and tested power limits on volteer variant board.
Change-Id: If4f1226473b48365e5962df9fff29910c99007fc
Signed-off-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43607
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/volteer/variants/baseboard/devicetree.cb | 18 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 8 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/systemagent.c | 6 |
3 files changed, 25 insertions, 7 deletions
diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb index e0d3beaaa2..0e8ad3e17a 100644 --- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb @@ -211,15 +211,25 @@ chip soc/intel/tigerlake # Enable DPTF register "dptf_enable" = "1" + register "power_limits_config[POWER_LIMITS_U_2_CORE]" = "{ + .tdp_pl1_override = 15, + .tdp_pl2_override = 38, + .tdp_pl4 = 71, + }" register "power_limits_config[POWER_LIMITS_U_4_CORE]" = "{ .tdp_pl1_override = 15, .tdp_pl2_override = 60, .tdp_pl4 = 105, }" - register "power_limits_config[POWER_LIMITS_U_2_CORE]" = "{ - .tdp_pl1_override = 15, - .tdp_pl2_override = 38, - .tdp_pl4 = 71, + register "power_limits_config[POWER_LIMITS_Y_2_CORE]" = "{ + .tdp_pl1_override = 9, + .tdp_pl2_override = 35, + .tdp_pl4 = 66, + }" + register "power_limits_config[POWER_LIMITS_Y_4_CORE]" = "{ + .tdp_pl1_override = 9, + .tdp_pl2_override = 40, + .tdp_pl4 = 83, }" register "Device4Enable" = "1" diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index 59dab58bb8..3d910cee94 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -23,9 +23,11 @@ #define MAX_HD_AUDIO_SSP_LINKS 6 /* The first two are for TGL-U */ -#define POWER_LIMITS_U_4_CORE 0 -#define POWER_LIMITS_U_2_CORE 1 -#define POWER_LIMITS_MAX 2 +#define POWER_LIMITS_U_2_CORE 0 +#define POWER_LIMITS_U_4_CORE 1 +#define POWER_LIMITS_Y_2_CORE 2 +#define POWER_LIMITS_Y_4_CORE 3 +#define POWER_LIMITS_MAX 4 /* * Enable External V1P05 Rail in: BIT0:S0i1/S0i2, diff --git a/src/soc/intel/tigerlake/systemagent.c b/src/soc/intel/tigerlake/systemagent.c index fd611bbd1c..29487a8c81 100644 --- a/src/soc/intel/tigerlake/systemagent.c +++ b/src/soc/intel/tigerlake/systemagent.c @@ -84,6 +84,12 @@ void soc_systemagent_init(struct device *dev) case PCI_DEVICE_ID_INTEL_TGL_ID_U_4_2: soc_config = &config->power_limits_config[POWER_LIMITS_U_4_CORE]; break; + case PCI_DEVICE_ID_INTEL_TGL_ID_Y_2_2: + soc_config = &config->power_limits_config[POWER_LIMITS_Y_2_CORE]; + break; + case PCI_DEVICE_ID_INTEL_TGL_ID_Y_4_2: + soc_config = &config->power_limits_config[POWER_LIMITS_Y_4_CORE]; + break; default: printk(BIOS_ERR, "TGL: unknown SA ID: 0x%4x, skipping power limits " "configuration\n", sa_pci_id); |