zynqmp: pm: Add support for setting suspend-to-RAM mode
Beside standard suspend-to-RAM state, Zynq MPSoC supports
suspend-to-RAM state with additional power savings, called
power-off suspend-to-RAM. If this mode is set, only NODE_EXTERN
must be set as wake source. Standard suspend-to-RAM procedure
is unchanged.
This patch adds support for setting suspend mode from higher
ELs and ensuring that all conditions for power-off suspend mode
are set.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_client.h b/plat/xilinx/zynqmp/pm_service/pm_client.h
index 16e37d5..070db89 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_client.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_client.h
@@ -20,6 +20,7 @@
void pm_client_abort_suspend(void);
void pm_client_wakeup(const struct pm_proc *proc);
enum pm_ret_status set_ocm_retention(void);
+enum pm_ret_status pm_set_suspend_mode(uint32_t mode);
/* Global variables to be set in pm_client.c */
extern const struct pm_proc *primary_proc;