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authorNick Vaccaro <nvaccaro@google.com>2018-02-27 10:30:34 -0800
committerMartin Roth <martinroth@google.com>2018-03-02 15:18:52 +0000
commit4100f2b97c315ec92f37f3392b733ee0b6f52887 (patch)
tree5b46cf01c2f49ebeca34b23e82e02ba4bbc0ef4b /src
parentaef0d6b0a7ec867ee29acf9e1c695be27626f239 (diff)
downloadcoreboot-4100f2b97c315ec92f37f3392b733ee0b6f52887.tar.xz
mainboard/google/zoombini/variant/meowth: enable speed shift
BUG=b:73817825,b:69011806 BRANCH=master TEST=Build and flash to meowth, verify cpufreq shows up in kernel for all cores : localhost ~ # find / -name "cpufreq" /sys/devices/system/cpu/cpu3/cpufreq /sys/devices/system/cpu/cpu1/cpufreq /sys/devices/system/cpu/cpufreq /sys/devices/system/cpu/cpu2/cpufreq /sys/devices/system/cpu/cpu0/cpufreq /sys/module/cpufreq /usr/share/laptop-mode-tools/modules/cpufreq Change-Id: I63242b2b049e37167c0d3b8eab630cb6e15a75fd Signed-off-by: Nick Vaccaro <nvaccaro@google.com> Reviewed-on: https://review.coreboot.org/24902 Reviewed-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/zoombini/variants/meowth/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
index c0e4ac3317..cc0d3926a9 100644
--- a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
+++ b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
@@ -70,6 +70,9 @@ chip soc/intel/cannonlake
register "PchHdaAudioLinkSsp0" = "1"
register "PchHdaAudioLinkSsp1" = "1"
+ # Enable cpufreq
+ register "speed_shift_enable" = "1"
+
device domain 0 on
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device