diff options
| author | Shelley Chen <shchen@google.com> | 2023-12-26 11:01:31 -0800 |
|---|---|---|
| committer | Shelley Chen <shchen@google.com> | 2023-12-28 00:08:13 +0000 |
| commit | 00a9bc68feeb068e141c182c281824a0ee038d43 (patch) | |
| tree | eae5f1cfc239185ff2d77d8635e8e9f49c8d5f1e /src/mainboard | |
| parent | b6dfcb7d1848a5731a5e3bf732fcfdf07d4ed00a (diff) | |
mb/google/brox: Add new GFX devices
Add GFX devices for DDI (eDP and HDMI) and TCP (USC C0 and C2
ports). Copied the PLD placements from USB PLDs.
BUG=b:300690448
BRANCH=None
TEST=emerge-brox coreboot
Change-Id: Ic39916819f64ede1c80eccfd05ba4916b9f285af
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79731
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brox/variants/brox/overridetree.cb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb index d7fc83ab78..c9767bc358 100644 --- a/src/mainboard/google/brox/variants/brox/overridetree.cb +++ b/src/mainboard/google/brox/variants/brox/overridetree.cb @@ -1,5 +1,28 @@ chip soc/intel/alderlake device domain 0 on + device ref igpu on + chip drivers/gfx/generic + register "device_count" = "6" + # DDIA for eDP + register "device[0].name" = ""LCD"" + # DDIB for HDMI + # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB + register "device[1].name" = ""DD01"" + # TCP0 (DP-1) for port C0 + register "device[2].name" = ""DD02"" + register "device[2].use_pld" = "true" + register "device[2].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))" + # TCP1 (DP-2) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP1 + register "device[3].name" = ""DD03"" + # TCP2 (DP-3) for port C2 + register "device[4].name" = ""DD04"" + register "device[4].use_pld" = "true" + register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, RIGHT, ACPI_PLD_GROUP(2, 1))" + # TCP3 (DP-4) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP3 + register "device[5].name" = ""DD05"" + device generic 0 on end + end + end # Integrated Graphics Device device ref pch_espi on chip ec/google/chromeec use conn0 as mux_conn[0] |