diff options
| author | Amanda Huang <amanda_hwang@compal.corp-partner.google.com> | 2020-02-04 11:36:43 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-02-05 09:55:53 +0000 |
| commit | b48148f4b35dbf7fc36612cb933c133a37a69261 (patch) | |
| tree | 3850b7aac6c039cdfb98ef4ab9c8efcbf7cee73c /src/mainboard | |
| parent | 3f5f74d1349625fa33bcbdfd2956d1e36b3f236d (diff) | |
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 <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38399
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/hatch/variants/mushu/overridetree.cb | 15 |
1 files changed, 15 insertions, 0 deletions
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" |