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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2014-07-02 12:54:41 (GMT) |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2014-07-07 19:29:47 (GMT) |
| commit | a13b00778e89c405cb224ef0926be6d71682d2a2 (patch) | |
| tree | 3f05862cb5268dbb8d14a98b2c4d47523cf1dedb /arch/arm64/include/asm/efi.h | |
| parent | f23cf8bd5c1f49fb12459797d88b8407af93383d (diff) | |
| download | linux-a13b00778e89c405cb224ef0926be6d71682d2a2.tar.xz | |
efi/arm64: efistub: Move shared dependencies to <asm/efi.h>
This moves definitions depended upon both by code under arch/arm64/boot
and under drivers/firmware/efi to <asm/efi.h>. This is in preparation of
turning the stub code under drivers/firmware/efi into a static library.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'arch/arm64/include/asm/efi.h')
| -rw-r--r-- | arch/arm64/include/asm/efi.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 375ba34..a34fd3b 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -32,4 +32,16 @@ extern void efi_idmap_init(void); kernel_neon_end(); \ }) +/* arch specific definitions used by the stub code */ + +/* + * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from + * start of kernel and may not cross a 2MiB boundary. We set alignment to + * 2MiB so we know it won't cross a 2MiB boundary. + */ +#define EFI_FDT_ALIGN SZ_2M /* used by allocate_new_fdt_and_exit_boot() */ +#define MAX_FDT_OFFSET SZ_512M + +#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__) + #endif /* _ASM_EFI_H */ |