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authorFelix Held <felix-coreboot@felixheld.de>2021-04-06 22:17:12 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-04-07 22:50:24 +0000
commitc81fb7ca94e84bf1086756d0e5b4fad9adb75658 (patch)
treed8eff91ad0e1da2617867dba9f4ed68112598e93 /src
parentd76b4f6607ba233358b7eb481d098b3abbaafedb (diff)
mb/google/guybrush/port_descriptors: add dummy descriptors
This is a temporary workaround for a bug that breaks graphics due to some power management issue. Signed-off-by: Matt Papageorge <matthewpapa07@gmail.com> Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Ie4c8ff8e827901112fd8b2e993898006bc133241 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52141 Reviewed-by: Raul Rangel <rrangel@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/guybrush/port_descriptors.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/port_descriptors.c b/src/mainboard/google/guybrush/port_descriptors.c
index 322781238d..cc1fa1a7b2 100644
--- a/src/mainboard/google/guybrush/port_descriptors.c
+++ b/src/mainboard/google/guybrush/port_descriptors.c
@@ -53,6 +53,28 @@ static const fsp_dxio_descriptor guybrush_czn_dxio_descriptors[] = {
.clk_req = CLK_REQ3,
.gpio_group_id = GPIO_40,
.port_params = {PP_PSPP_AC, 0x133, PP_PSPP_DC, 0x122}
+ },
+ { /* TODO: remove this temporay workaround */
+ .engine_type = PCIE_ENGINE,
+ .port_present = true,
+ .start_logical_lane = 8,
+ .end_logical_lane = 11,
+ .device_number = 2,
+ .function_number = 5,
+ .turn_off_unused_lanes = true,
+ .clk_req = CLK_REQ5,
+ .port_params = {PP_PSPP_AC, 0x133, PP_PSPP_DC, 0x122}
+ },
+ { /* TODO: remove this temporay workaround */
+ .engine_type = PCIE_ENGINE,
+ .port_present = true,
+ .start_logical_lane = 16,
+ .end_logical_lane = 23,
+ .device_number = 1,
+ .function_number = 1,
+ .turn_off_unused_lanes = true,
+ .clk_req = CLK_REQ6,
+ .port_params = {PP_PSPP_AC, 0x133, PP_PSPP_DC, 0x122}
}
};