[U-Boot] [U-Boot, 3/6] arm64: sunxi: reserve space for boot0 header

[Hans de Goede]

Hi,

On 04-05-16 23:15, Andre Przywara wrote:
> The Allwinner provided boot0 boot loader requires a header before the
> U-Boot binary to both check its validity and to find other blobs to
> load. There is a tool called boot0img which fills the header
> appropriately.
> Reserve some space at the beginning of the binary to later hold the
> header if needed.
> Please note that the header is jumped over already by U-Boot anyway,
> so filling the header is optional and can be skipped if for instance
> boot0 is not used.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Further down the thread you said you would do a v2 of this one,
so I'm dropping it.

Regards,

Hans


> ---
>  arch/arm/cpu/armv8/start.S | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
> index deb44a8..b4c4867 100644
> --- a/arch/arm/cpu/armv8/start.S
> +++ b/arch/arm/cpu/armv8/start.S
> @@ -21,6 +21,9 @@
>  _start:
>  	b	reset
>
> +#ifdef CONFIG_ARCH_SUNXI
> +	.space 0x5fc	/* can be filled with a boot0 header if needed */
> +#endif
>  	.align 3
>
>  .globl	_TEXT_BASE
>