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| author | Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com> | 2016-09-02 16:07:08 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-09-07 18:37:50 +0200 |
| commit | e52592078e8e5b24b45197ab510236193656f68e (patch) | |
| tree | 15587d2c4710b969cf48cade8811c0fa8a594cf3 /src/mainboard/google | |
| parent | 587f9cb6ce7ee71ce242d2df47f2cd51f4dac66b (diff) | |
| download | coreboot-e52592078e8e5b24b45197ab510236193656f68e.tar.xz | |
mainboard/google/reef: Enable audio clock and power gate
Removes S0ix blocker. Sets audio clock gate and power gate
bits when audio not in use. Reduces power in S0.
Change-Id: Id5c0adc2605480583dc90ee62a706dbfa4027c1b
Signed-off-by: Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Reviewed-on: https://review.coreboot.org/16424
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/reef/devicetree.cb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/devicetree.cb b/src/mainboard/google/reef/devicetree.cb index 9a7c2d17b3..2ac20de2dc 100644 --- a/src/mainboard/google/reef/devicetree.cb +++ b/src/mainboard/google/reef/devicetree.cb @@ -38,6 +38,11 @@ chip soc/intel/apollolake # Enable DPTF register "dptf_enable" = "1" + # Enable Audio Clock and Power gating + register "hdaudio_clk_gate_enable" = "1" + register "hdaudio_pwr_gate_enable" = "1" + register "hdaudio_bios_config_lockdown" = "1" + # GPE configuration # Note that GPE events called out in ASL code rely on this # route, i.e., if this route changes then the affected GPE |