From b48148f4b35dbf7fc36612cb933c133a37a69261 Mon Sep 17 00:00:00 2001 From: Amanda Huang Date: Tue, 4 Feb 2020 11:36:43 +0800 Subject: mb/google/hatch: Correct PCIe ports setting for mushu 1. Enable PCIe port for dGPU 2. Change WLAN PCIe port from port 14 to port 7 BUG=b:147249494 TEST=Ensure dGPU and WLAN shows up with lspci. Change-Id: Iea3292be7d8029c35847118228bbb773418632a1 Signed-off-by: Amanda Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/38399 Reviewed-by: Shelley Chen Tested-by: build bot (Jenkins) --- src/mainboard/google/hatch/variants/mushu/overridetree.cb | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/src/mainboard/google/hatch/variants/mushu/overridetree.cb b/src/mainboard/google/hatch/variants/mushu/overridetree.cb index c623fde5ba..f50bab248d 100644 --- a/src/mainboard/google/hatch/variants/mushu/overridetree.cb +++ b/src/mainboard/google/hatch/variants/mushu/overridetree.cb @@ -64,6 +64,21 @@ chip soc/intel/cannonlake }, }" + # PCIe port 7 for M.2 E-key WLAN + register "PcieRpEnable[6]" = "1" + register "PcieRpLtrEnable[6]" = "1" + # RP 7 uses CLK SRC 3 + register "PcieClkSrcUsage[3]" = "6" + register "PcieClkSrcClkReq[3]" = "3" + + # Enable Root port 13 (x4) for dGPU + register "PcieRpEnable[12]" = "1" + register "PcieRpLtrEnable[12]" = "1" + # RP 13 uses CLK SRC 5 + register "PcieClkSrcUsage[5]" = "12" + # ClkReq-to-ClkSrc mapping for CLK SRC 5 + register "PcieClkSrcClkReq[5]" = "5" + # GPIO for SD card detect register "sdcard_cd_gpio" = "vSD3_CD_B" -- cgit v1.2.3