[S] Change in coreboot[master]: mb/google/geralt: Pass reset gpio parameter to BL31

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/67357 )

(

6 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/geralt: Pass reset gpio parameter to BL31
......................................................................

mb/google/geralt: Pass reset gpio parameter to BL31

Pass the reset gpio parameter to BL31 to support SoC reset.

TEST=build pass.
BUG=b:233720142

Signed-off-by: Bo-Chen Chen 
Change-Id: Ifdfbd6bd82f64b084f6349cb617443053c89a3f1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67357
Reviewed-by: Yidi Lin 
Reviewed-by: Yu-Ping Wu 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/geralt/mainboard.c
M src/soc/mediatek/mt8188/Makefile.inc
2 files changed, 26 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved
  Yidi Lin: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/geralt/mainboard.c b/src/mainboard/google/geralt/mainboard.c
index 75b8bb5..ddcb1bb 100644
--- a/src/mainboard/google/geralt/mainboard.c
+++ b/src/mainboard/google/geralt/mainboard.c
@@ -1,14 +1,20 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <device/device.h>
+#include <soc/bl31.h>
 #include <soc/msdc.h>
 #include <soc/usb.h>

+#include "gpio.h"
+
 static void mainboard_init(struct device *dev)
 {
    mtk_msdc_configure_emmc(true);
    mtk_msdc_configure_sdcard();
    setup_usb_host();
+
+	if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE))
+		register_reset_to_bl31(GPIO_AP_EC_WARM_RST_REQ.id, true);
 }

static void mainboard_enable(struct device *dev)
diff --git a/src/soc/mediatek/mt8188/Makefile.inc b/src/soc/mediatek/mt8188/Makefile.inc
index 70ec42a..3f83cbc 100644
--- a/src/soc/mediatek/mt8188/Makefile.inc
+++ b/src/soc/mediatek/mt8188/Makefile.inc
@@ -29,6 +29,7 @@
 romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c

ramstage-y += ../common/auxadc.c
+ramstage-$(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) += ../common/bl31.c
 ramstage-y += ../common/devapc.c devapc.c
 ramstage-y += ../common/dfd.c
 ramstage-y += ../common/dpm.c