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thunderbolt support for thinkpad t580

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2025-12-22 11:10:05 +00:00
parent 9142c8b419
commit 6e253b3e73
1 changed files with 57 additions and 0 deletions
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config/coreboot/default/patches/0045-mb-lenovo-t580-Enable-TBT-support.patch
+57
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@@ -0,0 +1,57 @@
From 2a9e31b0f0bc22d41dfbc5813aa73176619bff9c Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Mon, 22 Dec 2025 11:08:46 +0000
Subject: [PATCH 1/1] mb/lenovo/t580: Enable TBT support
This is based on the same change made to the ThinkPad T480
by Matt DeVillier.
I simply applied the same changes myself, on the T580.
Signed-off-by: Leah Rowe <leah@libreboot.org>
---
src/mainboard/lenovo/sklkbl_thinkpad/Kconfig | 1 +
src/mainboard/lenovo/sklkbl_thinkpad/variants/t580/gpio.c | 8 ++++----
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/mainboard/lenovo/sklkbl_thinkpad/Kconfig b/src/mainboard/lenovo/sklkbl_thinkpad/Kconfig
index c60b85af08..bad6c500d3 100644
--- a/src/mainboard/lenovo/sklkbl_thinkpad/Kconfig
+++ b/src/mainboard/lenovo/sklkbl_thinkpad/Kconfig
@@ -48,6 +48,7 @@ config BOARD_LENOVO_T580
bool
select BOARD_LENOVO_SKLKBL_THINKPAD_COMMON
select SOC_INTEL_KABYLAKE
+ select DRIVERS_INTEL_DTBT
select MEC1653_HAS_DEBUG_UNLOCK
select VARIANT_HAS_DGPU
diff --git a/src/mainboard/lenovo/sklkbl_thinkpad/variants/t580/gpio.c b/src/mainboard/lenovo/sklkbl_thinkpad/variants/t580/gpio.c
index 9c0da3c37e..35ec83152e 100644
--- a/src/mainboard/lenovo/sklkbl_thinkpad/variants/t580/gpio.c
+++ b/src/mainboard/lenovo/sklkbl_thinkpad/variants/t580/gpio.c
@@ -86,7 +86,7 @@ static const struct pad_config gpio_table[] = {
PAD_NC(GPP_C18, NONE),
PAD_NC(GPP_C19, NONE),
PAD_CFG_GPO(GPP_C20, 0, DEEP), /* EPRIVACY_ON */
- PAD_CFG_GPO(GPP_C21, 0, DEEP), /* TBT_FORCE_PWR */
+ PAD_CFG_GPO(GPP_C21, 0, PLTRST), /* TBT_FORCE_PWR */
PAD_CFG_GPI_SCI(GPP_C22, NONE, DEEP, EDGE_SINGLE, INVERT), /* -EC_SCI */
PAD_CFG_GPI_SCI(GPP_C23, NONE, DEEP, EDGE_SINGLE, INVERT), /* -EC_WAKE */
@@ -191,9 +191,9 @@ static const struct pad_config gpio_table[] = {
PAD_NC(GPP_G1, NONE),
PAD_NC(GPP_G2, NONE),
PAD_NC(GPP_G3, NONE),
- PAD_CFG_GPO(GPP_G4, 0, DEEP), /* TBT_RTD3_PWR_EN */
- PAD_CFG_GPO(GPP_G5, 0, DEEP), /* TBT_FORCE_USB_PWR */
- PAD_CFG_GPO(GPP_G6, 0, DEEP), /* -TBT_PERST */
+ PAD_CFG_GPO(GPP_G4, 0, PLTRST), /* TBT_RTD3_PWR_EN */
+ PAD_CFG_GPO(GPP_G5, 0, PLTRST), /* TBT_FORCE_USB_PWR */
+ PAD_CFG_GPO(GPP_G6, 0, PLTRST), /* -TBT_PERST */
PAD_CFG_GPI_SCI(GPP_G7, NONE, DEEP, LEVEL, INVERT), /* -TBT_PCIE_WAKE */
};
--
2.47.3