From: Jit Loon Lim <jit.loon.lim@intel.com>
To: u-boot@lists.denx.de
Cc: Jagan Teki <jagan@amarulasolutions.com>,
Vignesh R <vigneshr@ti.com>, Marek <marex@denx.de>,
Simon <simon.k.r.goldschmidt@gmail.com>,
Tien Fong <tien.fong.chee@intel.com>,
Kok Kiang <kok.kiang.hea@intel.com>,
Siew Chin <elly.siew.chin.lim@intel.com>,
Sin Hui <sin.hui.kho@intel.com>, Raaj <raaj.lokanathan@intel.com>,
Dinesh <dinesh.maniyam@intel.com>,
Boon Khai <boon.khai.ng@intel.com>,
Alif <alif.zakuan.yuslaimi@intel.com>,
Teik Heng <teik.heng.chong@intel.com>,
Hazim <muhammad.hazim.izzat.zamri@intel.com>,
Sieu Mun Tang <sieu.mun.tang@intel.com>,
Jit Loon Lim <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
Date: Wed, 31 Aug 2022 14:45:40 +0800 [thread overview]
Message-ID: <20220831064540.28640-1-jit.loon.lim@intel.com> (raw)
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);
+}
--
2.26.2
next reply other threads:[~2022-08-31 6:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-31 6:45 Jit Loon Lim [this message]
2022-12-08 6:57 ` [PATCH] arch: arm: mach-socfpga: To notify SDM when U-Boot pass control to Linux Chee, Tien Fong
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