diff options
| author | Yi Li <yi.li@linaro.org> | 2014-10-04 23:46:43 +0800 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2014-11-05 09:03:25 +0100 |
| commit | d1ae8c0057921681ca489bba7efbfacbb60d0f28 (patch) | |
| tree | bbc462d4e9fd5e166cbdc6580fb4e0cf053186ad /arch/arm64/include/asm/dmi.h | |
| parent | fc43026278b23b3515cf8f909ec29df94b3ae1a2 (diff) | |
arm64: dmi: Add SMBIOS/DMI support
SMBIOS is important for server hardware vendors. It implements a spec for
providing descriptive information about the platform. Things like serial
numbers, physical layout of the ports, build configuration data, and the like.
Signed-off-by: Yi Li <yi.li@linaro.org>
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'arch/arm64/include/asm/dmi.h')
| -rw-r--r-- | arch/arm64/include/asm/dmi.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/dmi.h b/arch/arm64/include/asm/dmi.h new file mode 100644 index 000000000000..69d37d87b159 --- /dev/null +++ b/arch/arm64/include/asm/dmi.h @@ -0,0 +1,31 @@ +/* + * arch/arm64/include/asm/dmi.h + * + * Copyright (C) 2013 Linaro Limited. + * Written by: Yi Li (yi.li@linaro.org) + * + * based on arch/ia64/include/asm/dmi.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_DMI_H +#define __ASM_DMI_H + +#include <linux/io.h> +#include <linux/slab.h> + +/* + * According to section 2.3.6 of the UEFI spec, the firmware should not + * request a virtual mapping for configuration tables such as SMBIOS. + * This means we have to map them before use. + */ +#define dmi_early_remap(x, l) ioremap_cache(x, l) +#define dmi_early_unmap(x, l) iounmap(x) +#define dmi_remap(x, l) ioremap_cache(x, l) +#define dmi_unmap(x) iounmap(x) +#define dmi_alloc(l) kzalloc(l, GFP_KERNEL) + +#endif |