Add ThinkPad X270 coreboot port from Kat Inskip

Courtesy of Kat Inskip who ported this board.

Headphone output doesn't work at the moment, due to incorrect verb.
Intel VBT is also wrong. Both are taken from another board.

This will be amended later with the correct verb and VBT.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-02-19 21:57:19 +00:00
parent 1068acd2c0
commit 2edd583aee
133 changed files with 2939 additions and 90 deletions
@@ -1,7 +1,7 @@
From 8a50c79dc5ee65f1bc7f60a68354a3733354ce51 Mon Sep 17 00:00:00 2001
From 0e2fa472354b2e68ffbfc01d5bb225ca9d8973f0 Mon Sep 17 00:00:00 2001
From: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Date: Thu, 22 Jun 2023 16:44:27 +0300
Subject: [PATCH 08/45] HACK: Disable coreboot related BL31 features
Subject: [PATCH 08/48] HACK: Disable coreboot related BL31 features
I don't know why, but removing this BL31 make argument lets gru-kevin
power off properly when shut down from Linux. Needs investigation.