Patrick Georgi submitted this change.
mb/intel/jasperlake_rvp: Select PcieRpClkReqDetect in device tree
This CL selects the PcieRpClkReqDetect for the required root ports
which is needed to allow proper clksrc gpio configuration.
Also, sets the unused PcieClkSrcUsage to 0xFF.
BUG=None
BRANCH=None
TEST=Build and boot jslrvp with NVMe
Change-Id: Ie4ae1365a7621b8be3b795798c171e3f7ea9e487
Signed-off-by: Meera Ravindranath <meera.ravindranath@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40758
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Reviewed-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
---
M src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb b/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb
index cb3d1f3..1b5e256 100644
--- a/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb
+++ b/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb
@@ -67,8 +67,17 @@
register "PcieRpEnable[1]" = "1"
register "PcieRpEnable[4]" = "1"
+ # Enable ClkReqDetect 1 for WLAN
+ # Enable ClkReqDetect 4 for NVMe
+ register "PcieRpClkReqDetect[1]" = "1"
+ register "PcieRpClkReqDetect[4]" = "1"
+
register "PcieClkSrcUsage[0]" = "0x04"
register "PcieClkSrcUsage[1]" = "0x01"
+ register "PcieClkSrcUsage[2]" = "0xFF"
+ register "PcieClkSrcUsage[3]" = "0xFF"
+ register "PcieClkSrcUsage[4]" = "0xFF"
+ register "PcieClkSrcUsage[5]" = "0xFF"
register "PcieClkSrcClkReq[0]" = "0x00"
register "PcieClkSrcClkReq[1]" = "0x01"
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