From 25874b86c311a836e93ab505ee552d154a441f23 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Mon, 29 Jan 2018 12:02:41 -0800 Subject: [PATCH] mb/google/eve: Enable HotPlug on PCIe root port for WiFi Enable HotPlug for the PCIe root port that the WiFi device is on so the OS can re-train the link without needing a reboot if it goes down unexpectedly at runtime. BUG=b:72417777 TEST=enable HotPlug on Eve Root Port 0 (WiFi) and check in linux that it is identified as a HotPlug capable root port. Change-Id: Id2b7fc92c8c9128f0e28102eb5991bda7fbf6799 Signed-off-by: Duncan Laurie Reviewed-on: https://review.coreboot.org/23512 Reviewed-by: Furquan Shaikh Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- src/mainboard/google/eve/devicetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb index 2880066873..2e62f41fbb 100644 --- a/src/mainboard/google/eve/devicetree.cb +++ b/src/mainboard/google/eve/devicetree.cb @@ -146,6 +146,7 @@ chip soc/intel/skylake register "PcieRpClkReqNumber[0]" = "1" register "PcieRpAdvancedErrorReporting[0]" = "1" register "PcieRpLtrEnable[0]" = "1" + register "PcieRpHotPlug[0]" = "1" #RP 1 uses CLK SRC 1 register "PcieRpClkSrcNumber[0]" = "1"