Hi,
-----Original Message----- From: Lim, Jit Loon jit.loon.lim@intel.com Sent: Wednesday, 31 August, 2022 2:46 PM To: u-boot@lists.denx.de Cc: Jagan Teki jagan@amarulasolutions.com; Vignesh R vigneshr@ti.com; Vasut, Marek marex@denx.de; Simon simon.k.r.goldschmidt@gmail.com; Chee, Tien Fong tien.fong.chee@intel.com; Hea, Kok Kiang kok.kiang.hea@intel.com; Lim, Elly Siew Chin elly.siew.chin.lim@intel.com; Kho, Sin Hui sin.hui.kho@intel.com; Lokanathan, Raaj raaj.lokanathan@intel.com; Maniyam, Dinesh dinesh.maniyam@intel.com; Ng, Boon Khai boon.khai.ng@intel.com; Yuslaimi, Alif Zakuan alif.zakuan.yuslaimi@intel.com; Chong, Teik Heng teik.heng.chong@intel.com; Zamri, Muhammad Hazim Izzat muhammad.hazim.izzat.zamri@intel.com; Tang, Sieu Mun sieu.mun.tang@intel.com; Lim, Jit Loon jit.loon.lim@intel.com; Chin Liang See chin.liang.see@intel.com Subject: [PATCH] arch: arm: mach-socfpga: To notify SDM when U-Boot pass control to Linux
From: Chin Liang See chin.liang.see@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: Jit Loon Lim jit.loon.lim@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..00852d27d9 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);
I don't see this function in https://source.denx.de/u-boot/u-boot, you need to submit the patch for this function first.
+}
2.26.2
Best regards, TF.