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| author | Subrata Banik <subratabanik@google.com> | 2022-07-27 20:11:19 +0000 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2022-07-29 19:58:01 +0000 |
| commit | 8072b420a6617a461f9708540b9cbdd295d5b30c (patch) | |
| tree | d44e2c7f26e628bb42ab95d1a09720216d179d82 | |
| parent | 828243ebca8546975d4d1be6f2136f1afd03b08e (diff) | |
| download | coreboot-8072b420a6617a461f9708540b9cbdd295d5b30c.tar.gz coreboot-8072b420a6617a461f9708540b9cbdd295d5b30c.tar.bz2 coreboot-8072b420a6617a461f9708540b9cbdd295d5b30c.zip | |
mb/google/rex: Perform display configuration override
This patch enables display port configuration as per the Rex
schematics.
TEST=Able to dump FSP UPD to ensure the override is successful.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I9e81d037416e46e52cb72344425d6d8725dae192
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66209
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
| -rw-r--r-- | src/mainboard/google/rex/variants/rex0/overridetree.cb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb index f5d9430b224d..c38721d3634e 100644 --- a/src/mainboard/google/rex/variants/rex0/overridetree.cb +++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb @@ -13,6 +13,17 @@ chip soc/intel/meteorlake register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC0)" register "tcss_ports[2]" = "TCSS_PORT_DEFAULT(OC_SKIP)" + # Enable eDP in Port A + register "ddi_port_A_config" = "1" + # Enable HDMI in Port B + register "ddi_port_B_config" = "0" + + # Enable Display Port Configuration + register "ddi_ports_config" = "{ + [DDI_PORT_A] = DDI_ENABLE_HPD, + [DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC, + }" + register "serial_io_gspi_mode" = "{ [PchSerialIoIndexGSPI0] = PchSerialIoDisabled, [PchSerialIoIndexGSPI1] = PchSerialIoPci, |