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authorAnil Kumar <anil.kumar.k@intel.com>2023-04-13 21:24:35 -0700
committerFelix Held <felix-coreboot@felixheld.de>2023-04-17 13:44:43 +0000
commite0e963e140edfa123c3c6b23abfe9f149a647461 (patch)
tree0ea227b897702311ad17e052deb1283f60edc7aa
parentdc2285bc052e38f0dd3ae43e2aad8cd602837fb4 (diff)
mb/google/rex: Enable all DDI lanes
This patch enables all DDI ports on Rex board to support display port tunneling and dual display on TBT dock. BUG=b:273901499 TEST=Boot google/rex and connect two displays over a TBT dock and check the display functionality. Signed-off-by: Anil Kumar <anil.kumar.k@intel.com> Change-Id: I45ee5334fbb877bd58912c8d24920037f155dc42 Reviewed-on: https://review.coreboot.org/c/coreboot/+/74413 Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Kapil Porwal <kapilporwal@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/rex/variants/rex0/overridetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 17e4c3ed2e..ebe1428c83 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -67,6 +67,10 @@ chip soc/intel/meteorlake
register "ddi_ports_config" = "{
[DDI_PORT_A] = DDI_ENABLE_HPD,
[DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+ [DDI_PORT_1] = DDI_ENABLE_HPD,
+ [DDI_PORT_2] = DDI_ENABLE_HPD,
+ [DDI_PORT_3] = DDI_ENABLE_HPD,
+ [DDI_PORT_4] = DDI_ENABLE_HPD,
}"
register "serial_io_gspi_mode" = "{