core: imx: implement psci reset

Implement psci reset support. Signed-off-by: Peng Fan <peng.fan@nxp.com>
OP-TEE · Sep 29, 2017 · 5703326 · 5703326
1 parent 5d6c6d8
commit 5703326
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diff --git 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
@@ -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();
+}