[U-Boot] [PATCH v5 3/7] ls2080ardb: Reserve DP-DDR RAM

[york sun]

On 10/15/2016 03:03 AM, Alexander Graf wrote:
> The DP-DDR shouldn't be exposed as conventional memory to an OS, so let's
> rather claim it's a reserved region in the EFI memory map
>
> Signed-off-by: Alexander Graf <agraf at suse.de>
> ---
>  board/freescale/ls2080ardb/ls2080ardb.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c
> index fab44b9..55199ca 100644
> --- a/board/freescale/ls2080ardb/ls2080ardb.c
> +++ b/board/freescale/ls2080ardb/ls2080ardb.c
> @@ -15,6 +15,7 @@
>  #include <libfdt.h>
>  #include <fsl-mc/fsl_mc.h>
>  #include <environment.h>
> +#include <efi_loader.h>
>  #include <i2c.h>
>  #include <asm/arch/soc.h>
>  #include <fsl_sec.h>
> @@ -201,6 +202,14 @@ int misc_init_r(void)
>  	if (adjust_vdd(0))
>  		printf("Warning: Adjusting core voltage failed.\n");
>
> +#ifdef CONFIG_EFI_LOADER
> +	if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) {
> +		efi_add_memory_map(gd->bd->bi_dram[2].start,
> +				   gd->bd->bi_dram[2].size >> EFI_PAGE_SHIFT,
> +				   EFI_RESERVED_MEMORY_TYPE, false);
> +	}
> +#endif
> +
>  	return 0;
>  }
>
>
Reviewed-by: York Sun <york.sun at nxp.com>