imx: imx8qx: add system off support
Add system power off support for i.MX8QX,
when Linux kernel issues "poweroff" command,
TF-A will send command to inform system
controller to power off whole board according
to board design, tested on i.MX8QX MEK board.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
diff --git a/plat/imx/common/include/plat_imx8.h b/plat/imx/common/include/plat_imx8.h
index 27d4c37..640d60e 100644
--- a/plat/imx/common/include/plat_imx8.h
+++ b/plat/imx/common/include/plat_imx8.h
@@ -17,4 +17,5 @@
void plat_gic_cpuif_disable(void);
void plat_gic_pcpu_init(void);
+void __dead2 imx_system_off(void);
#endif /*__PLAT_IMX8_H__ */