diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2020-12-08 12:43:47 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2020-12-12 04:03:48 +0000 |
| commit | 33cd957866ca8d8c7d86b7cfa50f926c40e8d540 (patch) | |
| tree | 70039f4ce34196f1f12eab8f9b372aff641b40b0 /src/mainboard/intel | |
| parent | f880eb061bf44101c65487bd74384a1ddcecce5e (diff) | |
| download | coreboot-33cd957866ca8d8c7d86b7cfa50f926c40e8d540.tar.xz | |
mb/intel/adlrvp: Make CLKSRC and CLKREQ proper for PCIE RP8
1. Make CLKSRC -> 7 and CLKREQ -> 6
2. CLK 6 is using free running CLK
3. Make LAN CLK 7 as unused as GbE is disable
TEST=Able to detect PCIE SD card on 0x1 slot.
Change-Id: I7fbde9492a0c59fc76931bfb7c9522d4f208ebb0
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48449
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/intel')
| -rw-r--r-- | src/mainboard/intel/adlrvp/devicetree.cb | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/mainboard/intel/adlrvp/devicetree.cb b/src/mainboard/intel/adlrvp/devicetree.cb index daf6ed1fca..12cd47561a 100644 --- a/src/mainboard/intel/adlrvp/devicetree.cb +++ b/src/mainboard/intel/adlrvp/devicetree.cb @@ -51,11 +51,11 @@ chip soc/intel/alderlake register "PcieClkSrcUsage[5]" = "0x5" register "PcieRpClkReqDetect[5]" = "1" - # Enable PCH PCIE RP 8 using free running CLK (0x80) + # Enable PCH PCIE RP 8 using CLK 6 register "PcieRpEnable[7]" = "1" - register "PcieClkSrcClkReq[7]" = "7" - register "PcieClkSrcUsage[7]" = "0x80" - register "PcieRpClkReqDetect[7]" = "1" + register "PcieClkSrcClkReq[7]" = "6" # CLKSRC -> 7 and CLKREQ -> 6 + register "PcieClkSrcUsage[6]" = "PCIE_CLK_FREE" # CLK 6 is using free running CLK + register "PcieRpClkReqDetect[6]" = "1" # Enable PCH PCIE RP 9 using CLK 1 register "PcieRpEnable[8]" = "1" @@ -76,7 +76,7 @@ chip soc/intel/alderlake register "PcieClkSrcUsage[4]" = "0x42" # Mark LAN CLK pins as unused as GbE 0:0x1f.6 is disabled below - register "PcieClkSrcUsage[6]" = "0xff" + register "PcieClkSrcUsage[7]" = "PCIE_CLK_NOTUSED" register "SataSalpSupport" = "1" |