[U-Boot] [PATCH] ARM: socfpga: Fix broken implementation and enhancing boot header

Marek Vasut marex at denx.de
Tue Mar 28 09:38:58 UTC 2017


On 03/28/2017 11:25 AM, tien.fong.chee at intel.com wrote:
> From: "Chee, Tien Fong" <tien.fong.chee at intel.com>
> 
> Fixing the broken implementation caused by the patch
> commit:ce62e57fc57177352a02b76dace0173bd13404b6, ARM: boot0 hook:

See section 2) here [1] , in particular the part about referencing
commits and the Fixes: tag .

[1] https://www.kernel.org/doc/html/latest/process/submitting-patches.html

> remove macro, include whole header file. This patch also enhances
> boot header to contain more special data.

This should be a separate patch then.

> Signed-off-by: Chee, Tien Fong <tien.fong.chee at intel.com>
> ---
>  arch/arm/mach-socfpga/include/mach/boot0.h | 30 ++++++++++++++++--------------
>  1 file changed, 16 insertions(+), 14 deletions(-)
> 
> diff --git a/arch/arm/mach-socfpga/include/mach/boot0.h b/arch/arm/mach-socfpga/include/mach/boot0.h
> index aaada31..877866a 100644
> --- a/arch/arm/mach-socfpga/include/mach/boot0.h
> +++ b/arch/arm/mach-socfpga/include/mach/boot0.h
> @@ -8,21 +8,23 @@
>  #define __BOOT0_H
>  
>  #ifdef CONFIG_SPL_BUILD
> -#define ARM_SOC_BOOT0_HOOK						\
> -	.balignl 64,0xf33db33f;						\
> -									\
> -	.word	0x1337c0d3;	/* SoCFPGA preloader validation word */	\
> -	.word	0xc01df00d;	/* Version, flags, length */		\
> -	.word	0xcafec0d3;	/* Checksum, zero-pad */		\
> -	nop;								\
> -									\
> -	b reset;		/* SoCFPGA jumps here */		\
> -	nop;								\
> -	nop;								\
> -	nop;
> -#else
> -#define ARM_SOC_BOOT0_HOOK
> +	.balignl 64,0xf33db33f;
> +
> +	/* Start of header offset */
> +	.word	0x1337c0d3; /* SoCFPGA preloader validation word(4B) */
> +	.word	0xc01df00d; /* Header length(2B),flags(1B),version(1B) */
> +#ifndef CONFIG_TARGET_SOCFPGA_GEN5
> +	.word	0xcafec0d3; /* Program length(4B) */
> +	.word	0xf00dcafe; /* Program entry offset(4B),relative to  */
> +			    /* the start of program header */
>  #endif
> +	.word	0xfeedface; /* Simple checksum(2B),spare offset(2B) */
> +	nop;
>  
> +	b reset;	    /* SoCFPGA jumps here */
> +	nop;
> +	nop;
> +	nop;
> +#endif
>  
>  #endif /* __BOOT0_H */
> 


-- 
Best regards,
Marek Vasut


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