From a775bfc2b2320fe062cf9a561806fe4af8b04073 Mon Sep 17 00:00:00 2001
From: Gavin Liu <gavin.liu@mediatek.corp-partner.google.com>
Date: Fri, 25 Apr 2025 16:24:41 +0800
Subject: [PATCH] soc/mediatek/mt8189: Specify MTKLIB_PATH for building BL31

Add BL31 static library path to BL31 build argument.

BUG=b:379008996
BRANCH=none
TEST=build passed

Signed-off-by: Gavin Liu <gavin.liu@mediatek.corp-partner.google.com>
Change-Id: I718be15e1a9b6942558ce929baedec18bdcd3309
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88448
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
---
 src/soc/mediatek/mt8189/Makefile.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/soc/mediatek/mt8189/Makefile.mk b/src/soc/mediatek/mt8189/Makefile.mk
index 2f73bcc1f0..f7294c0e74 100644
--- a/src/soc/mediatek/mt8189/Makefile.mk
+++ b/src/soc/mediatek/mt8189/Makefile.mk
@@ -67,6 +67,12 @@ CPPFLAGS_common += -Isrc/soc/mediatek/common/dp/include
 
 MT8189_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8189
 
+BL31_LIB := $(top)/$(MT8189_BLOB_DIR)/libbl31.a
+
+ifneq ($(wildcard $(BL31_LIB)),)
+BL31_MAKEARGS += MTKLIB_PATH=$(BL31_LIB)
+endif
+
 firmware-files := \
 	$(CONFIG_DPM_DM_FIRMWARE) \
 	$(CONFIG_DPM_PM_FIRMWARE) \