[coreboot-gerrit] Change in coreboot[master]: mb/google/cherry: Pass reset gpio parameter to BL31

[Rex-BC Chen (Code Review)]

Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59824 )

Change subject: mb/google/cherry: Pass reset gpio parameter to BL31
......................................................................

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

To support gpio reset SoC, we need to pass the reset gpio parameter to
BL31.

TEST=build pass
BUG=b:202871018

Cq-Depend: chromium:3188686
Signed-off-by: Rex-BC Chen 
Change-Id: I48d8d004ea92e950d0040a11133c57c121b86af3
---
M src/mainboard/google/corsola/mainboard.c
1 file changed, 18 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/24/59824/1

diff --git a/src/mainboard/google/corsola/mainboard.c b/src/mainboard/google/corsola/mainboard.c
index d3d55a2..fa4aa18 100644
--- a/src/mainboard/google/corsola/mainboard.c
+++ b/src/mainboard/google/corsola/mainboard.c
@@ -1,11 +1,27 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

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

+#include "gpio.h"
+
+#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h>
+
+static void register_reset_to_bl31(void)
+{
+	static struct bl_aux_param_gpio param_reset = {
+		.h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO },
+		.gpio = { .polarity = ARM_TF_GPIO_LEVEL_HIGH },
+	};
+
+	param_reset.gpio.index = GPIO_RESET.id;
+	register_bl31_aux_param(&param_reset.h);
+}
+
 static void mainboard_init(struct device *dev)
 {
    mtk_msdc_configure_emmc(true);
@@ -19,6 +35,8 @@

if (spm_init())
    	printk(BIOS_ERR, "spm init failed, system suspend may not work\n");
+
+	register_reset_to_bl31();
 }

static void mainboard_enable(struct device *dev)