> -----Original Message-----
> From: Lim, Jit Loon <jit.loon....@intel.com>
> Sent: Tuesday, 30 August, 2022 11:52 PM
> To: u-boot@lists.denx.de
> Cc: Jagan Teki <ja...@amarulasolutions.com>; Vignesh R <vigne...@ti.com>;
> Vasut, Marek <ma...@denx.de>; Simon <simon.k.r.goldschm...@gmail.com>;
> Chee, Tien Fong <tien.fong.c...@intel.com>; Hea, Kok Kiang
> <kok.kiang....@intel.com>; Lim, Elly Siew Chin <elly.siew.chin....@intel.com>;
> Kho, Sin Hui <sin.hui....@intel.com>; Lokanathan, Raaj
> <raaj.lokanat...@intel.com>; Maniyam, Dinesh <dinesh.mani...@intel.com>;
> Ng, Boon Khai <boon.khai...@intel.com>; Yuslaimi, Alif Zakuan
> <alif.zakuan.yusla...@intel.com>; Chong, Teik Heng
> <teik.heng.ch...@intel.com>; Zamri, Muhammad Hazim Izzat
> <muhammad.hazim.izzat.za...@intel.com>; Tang, Sieu Mun
> <sieu.mun.t...@intel.com>; Lim, Jit Loon <jit.loon....@intel.com>; Chin Liang
> See <chin.liang....@intel.com>
> Subject: [PATCH] arch: arm: mach-socfpga: To notify SDM when SPL pass
> control to U-Boot
>
> From: Chin Liang See <chin.liang....@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: Jit Loon Lim <jit.loon....@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);
> +}
You should put this notify into spl_perform_fixups(), so this can used by both
boot flows:
SPL -> U-Boot and SPL -> ATF -> U-Boot.
Regards
Tien Fong
