[PATCH] xilinx: zynqmp: Allow multiboot environment write even in saved environment

Michal Simek michal.simek at amd.com
Tue May 28 16:53:42 CEST 2024



On 5/28/24 16:36, Kory Maincent wrote:
> Once the environment was saved, we could not retrieve information about

nit: use imperative mood.

> the multiboot image used. When dealing with firmware updates, this
> information is necessary alongside the saved environment.

what exactly are you trying to do?

> 
> Move the multiboot environment set operation before the saved environment
> check to ensure this information is always available.

that make sense.

> 
> Signed-off-by: Kory Maincent <kory.maincent at bootlin.com>
> ---
>   board/xilinx/zynqmp/zynqmp.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
> index f370fb7347a..16292ed1c7e 100644
> --- a/board/xilinx/zynqmp/zynqmp.c
> +++ b/board/xilinx/zynqmp/zynqmp.c
> @@ -519,6 +519,10 @@ int board_late_init(void)
>   	usb_ether_init();
>   #endif
>   
> +	multiboot = multi_boot();
> +	if (multiboot >= 0)

likely make sense to remove this check to because you want to have even 
multiboot=0 too.

> +		env_set_hex("multiboot", multiboot);
> +
>   	if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
>   		debug("Saved variables - Skipping\n");
>   		return 0;
> @@ -531,10 +535,6 @@ int board_late_init(void)
>   	if (ret)
>   		return ret;
>   
> -	multiboot = multi_boot();
> -	if (multiboot >= 0)
> -		env_set_hex("multiboot", multiboot);
> -
>   	if (IS_ENABLED(CONFIG_DISTRO_DEFAULTS)) {
>   		ret = boot_targets_setup();
>   		if (ret)

M


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