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| author | pchandri <preetham.chandrian@intel.com> | 2016-01-19 10:49:51 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-01-22 13:01:03 +0100 |
| commit | f28929d393fdd6992be586829befc130f798873b (patch) | |
| tree | 3c152c6c964d491f15d79ff2a9d0f1a85110669d /src/mainboard/google | |
| parent | f9495eae2c9a0894fb7a8917779880830b27a224 (diff) | |
| download | coreboot-f28929d393fdd6992be586829befc130f798873b.tar.xz | |
intel/skylake: PL2 override changes
Override the default PL2 values with ones recommended by Intel.
BUG=chrome-os-partner:49292
BRANCH=glados
TEST=MMIO 0x59A0[14-0] to find PL1 value (0x78) / 8 Watts = 15W
MMIO 0x59A0[15] to find PL1 enable/disable = Disable
MMIO 0x59A0[46-32] to find PL2 Value (0xC8) / 8 Watts = 25W
Here PL2 is set to 25W and PL1 is disabled.
CQ-DEPEND=CL:321392
Change-Id: I338b1d4879ae1b5f760e3c1d16e379a2baa1c965
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fa6a115227385bef44abfacf58af306c16ed478a
Original-Change-Id: I3bfc50256c9bdd522c984b11faf2903d7c44c81f
Original-Signed-off-by: pchandri <preetham.chandrian@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/322454
Original-Commit-Ready: Venkateswarlu V Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Original-Tested-by: Venkateswarlu V Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Preetham Chandrian <preetham.chandrian@intel.com>
Original-Reviewed-by: Venkateswarlu V Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Reviewed-on: https://review.coreboot.org/13071
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/chell/devicetree.cb | 3 | ||||
| -rw-r--r-- | src/mainboard/google/glados/devicetree.cb | 3 | ||||
| -rw-r--r-- | src/mainboard/google/lars/devicetree.cb | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/google/chell/devicetree.cb b/src/mainboard/google/chell/devicetree.cb index e401f26e0c..ffc805c652 100644 --- a/src/mainboard/google/chell/devicetree.cb +++ b/src/mainboard/google/chell/devicetree.cb @@ -167,6 +167,9 @@ chip soc/intel/skylake # I2C4 is 1.8V register "SerialIoI2cVoltage[4]" = "1" + # PL2 override 15W + register "tdp_pl2_override" = "15" + device cpu_cluster 0 on device lapic 0 on end end diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb index 03c46f4005..c3aae8cf97 100644 --- a/src/mainboard/google/glados/devicetree.cb +++ b/src/mainboard/google/glados/devicetree.cb @@ -167,6 +167,9 @@ chip soc/intel/skylake # I2C4 is 1.8V register "SerialIoI2cVoltage[4]" = "1" + # PL2 override 15W + register "tdp_pl2_override" = "15" + device cpu_cluster 0 on device lapic 0 on end end diff --git a/src/mainboard/google/lars/devicetree.cb b/src/mainboard/google/lars/devicetree.cb index e858eeac74..c601507b1f 100644 --- a/src/mainboard/google/lars/devicetree.cb +++ b/src/mainboard/google/lars/devicetree.cb @@ -161,6 +161,9 @@ chip soc/intel/skylake [PchSerialIoIndexUart2] = PchSerialIoSkipInit, \ }" + # PL2 override 25W + register "tdp_pl2_override" = "25" + device cpu_cluster 0 on device lapic 0 on end end |