[U-Boot] [u-boot] [PATCH] arm: sleep: Get the entry point of kernel from SPARE4 register

[Scott Wood]

On 04/05/2016 05:11 AM, Alison Wang wrote:
> For LS1021A Secure Boot, SPARE2 register is used and modified by the
> IBR. To avoid the conflict, SPARE4 is used instead of SPARE2 to store
> the entry point of kernel. This patch is to get the entry point of
> kernel from SPARE4 instead of SPARE2.
> 
> Signed-off-by: Alison Wang <alison.wang at nxp.com>
> ---
>  board/freescale/common/arm_sleep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/board/freescale/common/arm_sleep.c b/board/freescale/common/arm_sleep.c
> index 71ed15e..6d967f0 100644
> --- a/board/freescale/common/arm_sleep.c
> +++ b/board/freescale/common/arm_sleep.c
> @@ -88,7 +88,7 @@ int fsl_dp_resume(void)
>  	dp_resume_prepare();
>  
>  	/* Get the entry address and jump to kernel */
> -	start_addr = in_le32(&scfg->sparecr[1]);
> +	start_addr = in_le32(&scfg->sparecr[3]);
>  	debug("Entry address is 0x%08x\n", start_addr);
>  	kernel_resume = (void (*)(void))start_addr;
>  	secure_ram_addr(_do_nonsec_entry)(kernel_resume, 0, 0, 0);
> 

Where does this get written?

-Scott