From: Dinesh Maniyam dinesh.maniyam@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.see@intel.com Signed-off-by: Dinesh Maniyam dinesh.maniyam@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