From fa61f5aa55fd1a84a8e0ea5d2e20df46cd15ae9b Mon Sep 17 00:00:00 2001 From: Zhuohao Lee Date: Sat, 8 Sep 2018 16:53:10 +0800 Subject: 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 Reviewed-on: https://review.coreboot.org/28543 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie Reviewed-by: Furquan Shaikh --- src/mainboard/google/poppy/variants/rammus/devicetree.cb | 4 ++-- 1 file 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" -- cgit v1.2.3