From d1ae8c0057921681ca489bba7efbfacbb60d0f28 Mon Sep 17 00:00:00 2001 From: Yi Li Date: Sat, 4 Oct 2014 23:46:43 +0800 Subject: 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 Tested-by: Suravee Suthikulpanit Tested-by: Leif Lindholm Signed-off-by: Ard Biesheuvel --- arch/arm64/include/asm/dmi.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/arm64/include/asm/dmi.h (limited to 'arch/arm64/include/asm/dmi.h') 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 +#include + +/* + * 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 -- cgit v1.2.3