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-rw-r--r--src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb b/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb
index bf66e4b70f..d67b2176ab 100644
--- a/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb
+++ b/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb
@@ -4,6 +4,48 @@ chip soc/intel/elkhartlake
device lapic 0 on end
end
+ # GPE configuration
+ # Note that GPE events called out in ASL code rely on this
+ # route. i.e. If this route changes then the affected GPE
+ # offset bits also need to be changed.
+ register "pmc_gpe0_dw0" = "GPP_B"
+ register "pmc_gpe0_dw1" = "GPP_F"
+ register "pmc_gpe0_dw2" = "GPP_E"
+
+ # FSP configuration
+ register "SaGv" = "SaGv_Enabled"
+ register "SmbusEnable" = "1"
+ register "Heci2Enable" = "1"
+
+ # Skip the CPU repalcement check
+ register "SkipCpuReplacementCheck" = "1"
+
+ # Enable All Root Ports (1-7)
+ register "PcieRpEnable[0]" = "1"
+ register "PcieRpEnable[1]" = "1"
+ register "PcieRpEnable[2]" = "1"
+ register "PcieRpEnable[3]" = "1"
+ register "PcieRpEnable[4]" = "1"
+ register "PcieRpEnable[5]" = "1"
+ register "PcieRpEnable[6]" = "1"
+
+ register "PcieClkSrcUsage[0]" = "0x00"
+ register "PcieClkSrcUsage[1]" = "0x06"
+ register "PcieClkSrcUsage[2]" = "0x04"
+ register "PcieClkSrcUsage[3]" = "0xFF"
+ register "PcieClkSrcUsage[4]" = "0xFF"
+ register "PcieClkSrcUsage[5]" = "0xFF"
+
+ register "PcieClkSrcClkReq[0]" = "0x0"
+ register "PcieClkSrcClkReq[1]" = "0x1"
+ register "PcieClkSrcClkReq[2]" = "0x2"
+ register "PcieClkSrcClkReq[3]" = "0x3"
+ register "PcieClkSrcClkReq[4]" = "0x4"
+ register "PcieClkSrcClkReq[5]" = "0x5"
+
+ # GPIO for SD card detect
+ register "sdcard_cd_gpio" = "GPP_G5"
+
device domain 0 on
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device