feat(mt8196): add reset and poweroff function for PSCI call

Add reset and poweroff function for PSCI call.

Change-Id: I65b9e341b74f568f968f3c464a64ea754284cb8c
Signed-off-by: Yidi Lin <yidilin@chromium.org>
diff --git a/plat/mediatek/lib/system_reset/reset_cros.c b/plat/mediatek/lib/system_reset/reset_cros.c
index 40e68ba..5f97650 100644
--- a/plat/mediatek/lib/system_reset/reset_cros.c
+++ b/plat/mediatek/lib/system_reset/reset_cros.c
@@ -1,18 +1,25 @@
 /*
- * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ * Copyright (c) 2022-2025, MediaTek Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <assert.h>
+
 #include <arch_helpers.h>
 #include <common/debug.h>
+#include <drivers/delay_timer.h>
 #include <drivers/gpio.h>
+#if CONFIG_MTK_PMIC_SHUTDOWN_CFG
+#include <drivers/pmic/pmic_psc.h>
+#endif
 #include <lib/mtk_init/mtk_init.h>
 #include <lib/pm/mtk_pm.h>
 #include <plat_params.h>
+#if !CONFIG_MTK_PMIC_SHUTDOWN_CFG
 #include <pmic.h>
 #include <rtc.h>
+#endif
 
 static void __dead2 mtk_system_reset_cros(void)
 {
@@ -31,8 +38,13 @@
 {
 	INFO("MTK System Off\n");
 
+#if CONFIG_MTK_PMIC_SHUTDOWN_CFG
+	platform_power_hold(false);
+	mdelay(1000);
+#else
 	rtc_power_off_sequence();
 	pmic_power_off();
+#endif
 
 	wfi();
 	ERROR("MTK System Off: operation not handled.\n");
diff --git a/plat/mediatek/mt8196/include/platform_def.h b/plat/mediatek/mt8196/include/platform_def.h
index 72d83e6..83370d6 100644
--- a/plat/mediatek/mt8196/include/platform_def.h
+++ b/plat/mediatek/mt8196/include/platform_def.h
@@ -87,7 +87,7 @@
  * GPIO related constants
  ******************************************************************************/
 #define GPIO_BASE		(IO_PHYS + 0x0002D000)
-#define RGU_BASE		(IO_PHYS + 0x0C00B000)
+#define RGU_BASE		(IO_PHYS + 0x0C010000)
 #define DRM_BASE		(IO_PHYS + 0x0000D000)
 #define IOCFG_RT_BASE		(IO_PHYS + 0x02000000)
 #define IOCFG_RM1_BASE		(IO_PHYS + 0x02020000)
diff --git a/plat/mediatek/mt8196/platform.mk b/plat/mediatek/mt8196/platform.mk
index 5050809..520771d 100644
--- a/plat/mediatek/mt8196/platform.mk
+++ b/plat/mediatek/mt8196/platform.mk
@@ -41,6 +41,7 @@
 MODULES-y += $(MTK_PLAT)/common/lpm_v2
 MODULES-y += $(MTK_PLAT)/lib/mtk_init
 MODULES-y += $(MTK_PLAT)/lib/pm
+MODULES-y += $(MTK_PLAT)/lib/system_reset
 MODULES-y += $(MTK_PLAT)/drivers/apusys
 MODULES-y += $(MTK_PLAT)/drivers/cirq
 MODULES-y += $(MTK_PLAT)/drivers/dp