> -----Original Message----- > From: Lim, Jit Loon <[email protected]> > Sent: Tuesday, 30 August, 2022 11:52 PM > To: [email protected] > Cc: Jagan Teki <[email protected]>; Vignesh R <[email protected]>; > Vasut, Marek <[email protected]>; Simon <[email protected]>; > Chee, Tien Fong <[email protected]>; Hea, Kok Kiang > <[email protected]>; Lim, Elly Siew Chin <[email protected]>; > Kho, Sin Hui <[email protected]>; Lokanathan, Raaj > <[email protected]>; Maniyam, Dinesh <[email protected]>; > Ng, Boon Khai <[email protected]>; Yuslaimi, Alif Zakuan > <[email protected]>; Chong, Teik Heng > <[email protected]>; Zamri, Muhammad Hazim Izzat > <[email protected]>; Tang, Sieu Mun > <[email protected]>; Lim, Jit Loon <[email protected]>; Chin Liang > See <[email protected]> > Subject: [PATCH] arch: arm: mach-socfpga: To notify SDM when SPL pass > control to U-Boot > > From: Chin Liang See <[email protected]> > > 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 <[email protected]> > --- > 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
