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author | Aamir Bohra <aamir.bohra@intel.com> | 2020-02-26 20:22:14 +0530 |
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committer | Subrata Banik <subrata.banik@intel.com> | 2020-02-27 17:10:24 +0000 |
commit | 6f1bebe9842ae61db7c15af1bbc59a9be367877d (patch) | |
tree | e086286059d0d53908f52aa2193ade9863bb49cd /src/mainboard/google/dedede/variants/baseboard/devicetree.cb | |
parent | b7fb24677c4adff1d7648de260c3ee9e7f5b45ee (diff) | |
download | coreboot-6f1bebe9842ae61db7c15af1bbc59a9be367877d.tar.xz |
mb/google/dedede: Enable display support
1. Enable Internal Gfx device.
2. Configure DDI0 for EDP.
3. Configure HPD and DDC suppport for DDI1/DDI2.
4. Configure HPD GPIOs.
TEST=Verify display on EDP panel in OS
Change-Id: Ia53428af549ba01ab539f9474a6e5e79b72dff5c
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39132
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/dedede/variants/baseboard/devicetree.cb')
-rw-r--r-- | src/mainboard/google/dedede/variants/baseboard/devicetree.cb | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb index 37bb8f23c2..2529e53feb 100644 --- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb @@ -73,6 +73,17 @@ chip soc/intel/tigerlake # Enable EMMC HS400 mode register "ScsEmmcHs400Enabled" = "1" + # Display related UPDs + # Select eDP for port A + register "DdiPortAConfig" = "1" + + # Enable HPD for DDI ports B/C + register "DdiPortBHpd" = "1" + register "DdiPortCHpd" = "1" + # Enable DDC for DDI ports B/C + register "DdiPortBDdc" = "1" + register "DdiPortCDdc" = "1" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value | @@ -111,7 +122,7 @@ chip soc/intel/tigerlake device domain 0 on device pci 00.0 on end # Host Bridge - device pci 02.0 off end # Integrated Graphics Device + device pci 02.0 on end # Integrated Graphics Device device pci 04.0 off end # SA Thermal device device pci 05.0 off end # IPU device pci 09.0 off end # Intel Trace Hub |