[U-Boot] [PATCH 1/2] armv8: layerscape: Allocate 66 MB DDR for secure memory

[York Sun]

On 09/01/2017 01:24 AM, Sumit Garg wrote:
> Change DDR allocated for secure memory from 2 MB to 66 MB. This additional
> 64 MB secure memory is required for trusted OS running in Trusted Execution
> Environment using ARMv8 TrustZone.
> 
> Signed-off-by: Sumit Garg <sumit.garg at nxp.com>
> ---
>  arch/arm/include/asm/arch-fsl-layerscape/config.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h
> index a7098be..95e2791 100644
> --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h
> +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h
> @@ -16,7 +16,7 @@
>   * Reserve secure memory
>   * To be aligned with MMU block size
>   */
> -#define CONFIG_SYS_MEM_RESERVE_SECURE	(2048 * 1024)	/* 2MB */
> +#define CONFIG_SYS_MEM_RESERVE_SECURE	(66 * 1024 * 1024)	/* 66MB */
>  #define SPL_TLB_SETBACK	0x1000000	/* 16MB under effective memory top */
>  
>  #ifdef CONFIG_ARCH_LS2080A
> 

Sumit,

I believe this patch is no longer needed after the merge of

commit 710d0cd79ede129d5203325c2a188c6f93c61ca3
Author: Sumit Garg <sumit.garg at nxp.com>
Date:   Wed Oct 4 03:20:49 2017 +0530

    armv8: fsl-layerscape: Allocate Secure memory from first ddr region

York