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-rw-r--r--src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb14
1 files changed, 14 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 dde0e9bb98..fa82a68bb5 100644
--- a/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb
+++ b/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb
@@ -12,11 +12,21 @@ chip soc/intel/elkhartlake
register "pmc_gpe0_dw1" = "GPP_F"
register "pmc_gpe0_dw2" = "GPP_E"
+ # Enable heci1 communication
+ register "HeciEnabled" = "1"
+
# FSP configuration
register "SaGv" = "SaGv_Enabled"
register "SmbusEnable" = "1"
register "Heci2Enable" = "1"
+ # Display related UPDs
+ # Enable HPD for DDI ports C
+ register "DdiPortCHpd" = "1"
+
+ # Enable DDC for DDI ports C
+ register "DdiPortCDdc" = "1"
+
# Skip the CPU repalcement check
register "SkipCpuReplacementCheck" = "1"
@@ -104,6 +114,10 @@ chip soc/intel/elkhartlake
# GPIO for SD card detect
register "sdcard_cd_gpio" = "GPP_G5"
+ register "common_soc_config" = "{
+ .chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+ }"
+
device domain 0 on
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device