[PATCH v2] arm: socfpga: soc64: To notify SDM when U-Boot pass control to Linux

[Maniyam, Dinesh]

> -----Original Message-----
> From: Maniyam, Dinesh <dinesh.maniyam at intel.com>
> Sent: Friday, 13 May 2022 3:30 pm
> To: u-boot at lists.denx.de
> Cc: Vasut, Marek <marex at denx.de>; Simon Goldschmidt
> <simon.k.r.goldschmidt at gmail.com>; Chee, Tien Fong
> <tien.fong.chee at intel.com>; Hea, Kok Kiang <kok.kiang.hea at intel.com>; Gan,
> Yau Wai <yau.wai.gan at intel.com>; Kho, Sin Hui <sin.hui.kho at intel.com>;
> Lokanathan, Raaj <raaj.lokanathan at intel.com>; Maniyam, Dinesh
> <dinesh.maniyam at intel.com>
> Subject: [PATCH v2] arm: socfpga: soc64: To notify SDM when U-Boot pass
> control to Linux
> 
> From: Dinesh Maniyam <dinesh.maniyam at 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: Dinesh Maniyam <dinesh.maniyam at intel.com>
> 
> ---
> 
> v1->v2
> Add space in title
> ---
>  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..3148eb46a5 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);
> +}
> \ No newline at end of file
> --
> 2.26.2

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

Regards
Dinesh