[U-Boot] [PATCH v5 5/7] armv8: ls2080a: Declare spin tables as reserved for efi loader

[york sun]

On 10/15/2016 03:03 AM, Alexander Graf wrote:
> The efi loader code has its own memory map, so it needs to be aware where
> the spin tables are located, to ensure that no code writes into those
> regions.
>
> Signed-off-by: Alexander Graf <agraf at suse.de>
> ---
>  arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> index 1a8321b..facfcca 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> @@ -5,6 +5,7 @@
>   */
>
>  #include <common.h>
> +#include <efi_loader.h>
>  #include <libfdt.h>
>  #include <fdt_support.h>
>  #include <phy.h>
> @@ -105,6 +106,11 @@ remove_psci_node:
>
>  	fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
>  			*boot_code_size);
> +#ifdef CONFIG_EFI_LOADER
> +	efi_add_memory_map((uintptr_t)&secondary_boot_code,
> +			   ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
> +			   EFI_RESERVED_MEMORY_TYPE, false);
> +#endif
>  }
>  #endif
>
>
Alex,

Does it make more sense to use __spin_table instead of 
secondary_boot_code (even they happen to have the same value here)?

York