From c1bb32f869f45766125cb459fd753726c30eee88 Mon Sep 17 00:00:00 2001 From: Lucas Chen Date: Tue, 26 May 2020 19:31:48 +0800 Subject: [PATCH] mb/google/zork: Add UPD xhci0_force_gen1 for Trembyle and Ezkinil Add UPD xhci0_force_gen1 for Trembyle and Ezkinil. The default setting is set to disable, and set enabled for Ezkinil. Trambyle -> set default as disable. Ezkinil -> set enable by request. BUG=b:156314787 BRANCH=trembyle-bringup TEST=Build. Verified the setting will be applied on Ezkinil/Trembyle. Signed-off-by: Lucas Chen Change-Id: I65d06bfe379f9e42101bfae1a02a619ee2f24052 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2216090 Reviewed-by: Furquan Shaikh Reviewed-on: https://review.coreboot.org/c/coreboot/+/42217 Tested-by: build bot (Jenkins) Reviewed-by: Marshall Dawson Reviewed-by: Eric Peers Reviewed-by: Furquan Shaikh --- src/mainboard/google/zork/variants/baseboard/devicetree.cb | 2 ++ src/mainboard/google/zork/variants/ezkinil/overridetree.cb | 2 ++ 2 files changed, 4 insertions(+) diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree.cb b/src/mainboard/google/zork/variants/baseboard/devicetree.cb index 18c3783e83..3cc311b171 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree.cb @@ -48,6 +48,8 @@ chip soc/amd/picasso register "sd_emmc_config" = "SD_EMMC_EMMC_HS400" + register "xhci0_force_gen1" = "0" + # SPI Configuration register "common_config.spi_config" = "{ .normal_speed = SPI_SPEED_66M, /* MHz */ diff --git a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb index c208dae9ca..f7366acf0e 100644 --- a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb +++ b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb @@ -22,6 +22,8 @@ chip soc/amd/picasso # End : OPN Performance Configuration + register "xhci0_force_gen1" = "1" + # Enable I2C2 for trackpad, touchscreen, pen at 400kHz register "i2c[2]" = "{ .speed = I2C_SPEED_FAST,