[PATCH] arm64: zynqmp: Add third backup bootmode

[Michal Simek]

st 11. 3. 2020 v 15:13 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> I found this issue when was running py/test.py on zcu102 which is for me by
> default setup to SD boot mode without any way to change boot mode.
> Alternative software bootmode selection to JTAG is not working because JTAG
> mode is 0 which also reset value for it. That's why saying SPL to take
> u-boot.itb from RAM instead of SD in SD boot mode is not possible via
> alternative bootmode selection.
> That's why setup third boot mode to JTAG(BOOT_DEVICE_RAM) as final
> fallback.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  arch/arm/mach-zynqmp/spl.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-zynqmp/spl.c b/arch/arm/mach-zynqmp/spl.c
> index 896657f51c3d..b3830182e250 100644
> --- a/arch/arm/mach-zynqmp/spl.c
> +++ b/arch/arm/mach-zynqmp/spl.c
> @@ -66,6 +66,8 @@ void board_boot_order(u32 *spl_boot_list)
>                 spl_boot_list[1] = BOOT_DEVICE_MMC2;
>         if (spl_boot_list[0] == BOOT_DEVICE_MMC2)
>                 spl_boot_list[1] = BOOT_DEVICE_MMC1;
> +
> +       spl_boot_list[2] = BOOT_DEVICE_RAM;
>  }
>
>  u32 spl_boot_device(void)
> --
> 2.25.1
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs