From 0ea482052d49209d776451846d3570e305619d69 Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Thu, 28 Sep 2017 17:37:40 +0800
Subject: [PATCH] core: imx: implement psci reset

Implement psci reset support.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 core/arch/arm/plat-imx/conf.mk   | 1 +
 core/arch/arm/plat-imx/pm/psci.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/core/arch/arm/plat-imx/conf.mk b/core/arch/arm/plat-imx/conf.mk
index 20bc7d050ba..c9144d16bfc 100644
--- a/core/arch/arm/plat-imx/conf.mk
+++ b/core/arch/arm/plat-imx/conf.mk
@@ -80,6 +80,7 @@ endif
 
 ifeq ($(filter y, $(CFG_PSCI_ARM32)), y)
 CFG_HWSUPP_MEM_PERM_WXN = n
+CFG_IMX_WDOG ?= y
 endif
 
 CFG_MMAP_REGIONS ?= 24
diff --git a/core/arch/arm/plat-imx/pm/psci.c b/core/arch/arm/plat-imx/pm/psci.c
index a7de449e9c4..47e8b56b87e 100644
--- a/core/arch/arm/plat-imx/pm/psci.c
+++ b/core/arch/arm/plat-imx/pm/psci.c
@@ -28,6 +28,7 @@
  */
 #include <console.h>
 #include <drivers/imx_uart.h>
+#include <drivers/imx_wdog.h>
 #include <io.h>
 #include <imx.h>
 #include <imx_pm.h>
@@ -205,3 +206,8 @@ int psci_cpu_suspend(uint32_t power_state,
 
 	return ret;
 }
+
+void psci_system_reset(void)
+{
+	imx_wdog_restart();
+}