From: Dinesh Maniyam <dinesh.mani...@intel.com>
Prior U-Boot pass control to Linux, U-Boot will send a mailbox command
"HPS_STAGE_NOTIFY" to notify Secure Device Manager (SDM) on HPS SW
transition.
Signed-off-by: Chin Liang See <chin.liang....@intel.com>
Signed-off-by: Dinesh Maniyam <dinesh.mani...@intel.com>
---
arch/arm/mach-socfpga/misc_soc64.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-socfpga/misc_soc64.c
b/arch/arm/mach-socfpga/misc_soc64.c
index 2acdfad07b..3148eb46a5 100644
--- a/arch/arm/mach-socfpga/misc_soc64.c
+++ b/arch/arm/mach-socfpga/misc_soc64.c
@@ -89,3 +89,8 @@ void do_bridge_reset(int enable, unsigned int mask)
socfpga_bridges_reset(enable);
}
+
+void arch_preboot_os(void)
+{
+ mbox_hps_stage_notify(HPS_EXECUTION_STATE_OS);
+}
\ No newline at end of file
--
2.26.2
