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authorZhuohao Lee <zhuohao@chromium.org>2018-09-08 16:53:10 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-09-16 08:35:29 +0000
commitfa61f5aa55fd1a84a8e0ea5d2e20df46cd15ae9b (patch)
tree53d0b2f60a8bc357bec9c0db6adb35aa141fb623 /src/mainboard
parentf89c56a54d62495804167eef40b2718cfdade185 (diff)
downloadcoreboot-fa61f5aa55fd1a84a8e0ea5d2e20df46cd15ae9b.tar.xz
mb/google/poppy/variants/rammus: fix S0ix entering issue
As we don't use the MIPI camera on Rammus, disable SA Imaging Unit and CIO2 devices to avoid the system failed to enter S0ix. BUG=b:114502527 BRANCH=master TEST=On DUT, echo freeze > /sys/power/state 1. check the S0ix status on EC console 2. check the value of /sys/kernel/debug/pmc_core/slp_s0_residency_usec Change-Id: I91629732db01ee534f0ddb67a2b358d725ef810e Signed-off-by: Zhuohao Lee <zhuohao@chromium.org> Reviewed-on: https://review.coreboot.org/28543 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/poppy/variants/rammus/devicetree.cb4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index 7c1b02ff93..3478744137 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -40,8 +40,8 @@ chip soc/intel/skylake
register "EnableTraceHub" = "0"
register "SsicPortEnable" = "0"
register "SmbusEnable" = "1"
- register "Cio2Enable" = "1"
- register "SaImguEnable" = "1"
+ register "Cio2Enable" = "0"
+ register "SaImguEnable" = "0"
register "ScsEmmcEnabled" = "1"
register "ScsEmmcHs400Enabled" = "1"
register "ScsSdCardEnabled" = "2"