[U-Boot-Users] [PATCH] ARM926: compile cpu_init_crit function only if CONFIG_SKIP_LOWLEVEL_INIT is not defined

Dirk Behme dirk.behme at googlemail.com
Wed Dec 19 07:27:40 CET 2007


Hebbar wrote:
> This patches allows cpu_init_crit function to be compilled only if
> CONFIG_SKIP_LOWLEVEL_INIT is not defined. At present irrespective of
> CONFIG_SKIP_LOWLEVEL_INIT, cpu_init_crit is always compilled. This is for
> arm926ejs module. 
> 
> Signed-off-by: K R Gururaja Hebbar <gururajakr at sanyo.co.in>
> 
> 
> --- u-boot-1.3.1/cpu/arm926ejs/start.S	2007-12-06 01:21:19.000000000 -0800
> +++ uboot/cpu/arm926ejs/start.S	2007-12-19 08:40:37.296875000 -0800
> @@ -187,7 +187,7 @@ clbss_l:str	r2, [r0]		/* clear loop...  
>  _start_armboot:
>  	.word start_armboot
>  
> -
> +#ifndef CONFIG_SKIP_LOWLEVEL_INIT
>  /*
>   *************************************************************************
>   *
> @@ -225,6 +225,9 @@ cpu_init_crit:
>  	bl	lowlevel_init	/* go setup pll,mux,memory */
>  	mov	lr, ip		/* restore link */
>  	mov	pc, lr		/* back to my caller */
> +	
> +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
> +	
>  /*
>   *************************************************************************
>   *
> I welcome comments, complaints, suggestions and advices. 

The reason for this is to decrease resulting binary size? If so, all 
lowlevel_init() should be encapsulated as well to save even more space?

Dirk





More information about the U-Boot mailing list