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| author | Mark Salter <msalter@redhat.com> | 2014-04-07 15:39:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-07 16:36:15 -0700 |
| commit | bf4b558eba920a38f91beb5ee62a8ce2628c92f7 (patch) | |
| tree | 322210246d72cf0ce2a700709da443022e9dac6b /arch/arm64/kernel/setup.c | |
| parent | 0bf757c73d6612d3d279de3f61b35062aa9c8b1d (diff) | |
| download | linux-stable-bf4b558eba920a38f91beb5ee62a8ce2628c92f7.tar.gz linux-stable-bf4b558eba920a38f91beb5ee62a8ce2628c92f7.tar.bz2 linux-stable-bf4b558eba920a38f91beb5ee62a8ce2628c92f7.zip | |
arm64: add early_ioremap support
Add support for early IO or memory mappings which are needed before the
normal ioremap() is usable. This also adds fixmap support for permanent
fixed mappings such as that used by the earlyprintk device register
region.
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm64/kernel/setup.c')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 20830d1afbb6..720853f70b6b 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -42,6 +42,7 @@ #include <linux/of_fdt.h> #include <linux/of_platform.h> +#include <asm/fixmap.h> #include <asm/cputype.h> #include <asm/elf.h> #include <asm/cputable.h> @@ -361,6 +362,7 @@ void __init setup_arch(char **cmdline_p) *cmdline_p = boot_command_line; init_mem_pgprot(); + early_ioremap_init(); parse_early_param(); |