[U-Boot] [PATCH 1/5] arm: spear: Fix booting - relocate vector table to 0 (low-vector)

Viresh Kumar viresh.kumar at linaro.org
Tue Aug 18 09:33:02 CEST 2015


On 18-08-15, 09:27, Stefan Roese wrote:
> Booting SPEAr600 eval board doesn't work with current mainline U-Boot. With
> this patch the low-vector bit is left to '0'. Resulting in the common
> relocation of the vectors to 0 (SDRAM) to work correctly.
> 
> Tested on the SPEAr600 EVB.
> 
> Signed-off-by: Stefan Roese <sr at denx.de>
> Cc: Viresh Kumar <viresh.kumar at linaro.org>
> Cc: Vipin Kumar <vk.vipin at gmail.com>
> ---
>  board/spear/common/spr_lowlevel_init.S | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/board/spear/common/spr_lowlevel_init.S b/board/spear/common/spr_lowlevel_init.S
> index 23a0369..6494883 100644
> --- a/board/spear/common/spr_lowlevel_init.S
> +++ b/board/spear/common/spr_lowlevel_init.S
> @@ -14,11 +14,6 @@
>   */
>  .globl lowlevel_init
>  lowlevel_init:
> -	/* By default, U-Boot switches CPU to low-vector */
> -	/* Revert this as we work in high vector even in U-Boot */
> -	mrc	p15, 0, r0, c1, c0, 0
> -	orr	r0, r0, #0x00002000
> -	mcr	p15, 0, r0, c1, c0, 0
>  	mov	pc, lr
>  
>  /* void setfreq(unsigned int device, unsigned int frequency) */

For the complete series:

Acked-by: Viresh Kumar <viresh.kumar at linaro.org>

-- 
viresh


More information about the U-Boot mailing list