[PATCH] arm: socfpga: spl: To notify SDM when SPL pass control to U-Boot

[PATCH] arm: socfpga: spl: To notify SDM when SPL pass control to U-Boot

[dinesh.maniyam]

From: Dinesh Maniyam <dinesh.maniyam@intel.com>

Prior SPL pass control to U-Boot, SPL will send a mailbox command
"HPS_STAGE_NOTIFY" to notify Secure Device Manager (SDM) on HPS SW
transition. The purpose is for debug as user can query
SDM on HPS error details when HPS enters a warm reset due
to error such as watchdog.

Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com>
---
 arch/arm/mach-socfpga/spl_s10.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c
index c20e87cdbe..9bfd1a0f6a 100644
--- a/arch/arm/mach-socfpga/spl_s10.c
+++ b/arch/arm/mach-socfpga/spl_s10.c
@@ -92,3 +92,9 @@ void board_init_f(ulong dummy)
 	mbox_qspi_open();
 #endif
 }
+
+/* board specific function prior loading SSBL / U-Boot */
+void spl_board_prepare_for_boot(void)
+{
+	mbox_hps_stage_notify(HPS_EXECUTION_STATE_SSBL);
+}
--
2.26.2

RE: [PATCH] arm: socfpga: spl: To notify SDM when SPL pass control to U-Boot

[Maniyam, Dinesh]

> -----Original Message-----
> From: Maniyam, Dinesh <dinesh.maniyam@intel.com>
> Sent: Friday, 13 May 2022 10:32 am
> To: u-boot@lists.denx.de
> Cc: Vasut, Marek <marex@denx.de>; Simon Goldschmidt
> <simon.k.r.goldschmidt@gmail.com>; Chee, Tien Fong
> <tien.fong.chee@intel.com>; Hea, Kok Kiang <kok.kiang.hea@intel.com>; Gan,
> Yau Wai <yau.wai.gan@intel.com>; Kho, Sin Hui <sin.hui.kho@intel.com>;
> Lokanathan, Raaj <raaj.lokanathan@intel.com>; Maniyam, Dinesh
> <dinesh.maniyam@intel.com>
> Subject: [PATCH] arm: socfpga: spl: To notify SDM when SPL pass control to U-
> Boot
> 
> From: Dinesh Maniyam <dinesh.maniyam@intel.com>
> 
> Prior SPL pass control to U-Boot, SPL will send a mailbox command
> "HPS_STAGE_NOTIFY" to notify Secure Device Manager (SDM) on HPS SW
> transition. The purpose is for debug as user can query SDM on HPS error details
> when HPS enters a warm reset due to error such as watchdog.
> 
> Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com>
> ---
>  arch/arm/mach-socfpga/spl_s10.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-
> socfpga/spl_s10.c index c20e87cdbe..9bfd1a0f6a 100644
> --- a/arch/arm/mach-socfpga/spl_s10.c
> +++ b/arch/arm/mach-socfpga/spl_s10.c
> @@ -92,3 +92,9 @@ void board_init_f(ulong dummy)
>  	mbox_qspi_open();
>  #endif
>  }
> +
> +/* board specific function prior loading SSBL / U-Boot */ void
> +spl_board_prepare_for_boot(void) {
> +	mbox_hps_stage_notify(HPS_EXECUTION_STATE_SSBL);
> +}
> --
> 2.26.2

I will need to rework this patch.
I will re-submit the next version of this patch.

Regards,
Dinesh