From 3e0332c0b90323ca3c0584e9ae5592b04b121bae Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 14 Nov 2014 18:18:33 -0700 Subject: x86: Add a simple header file for ACPI We don't use many features yet, so this only has a few declarations. It will be expanded as needed. Signed-off-by: Simon Glass --- arch/x86/include/asm/acpi.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/x86/include/asm/acpi.h (limited to 'arch/x86') diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h new file mode 100644 index 0000000000..4872b92860 --- /dev/null +++ b/arch/x86/include/asm/acpi.h @@ -0,0 +1,24 @@ +/* + * From coreboot + * + * Copyright (C) 2004 SUSE LINUX AG + * Copyright (C) 2004 Nick Barker + * Copyright (C) 2008-2009 coresystems GmbH + * (Written by Stefan Reinauer ) + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __ASM_ACPI_H +#define __ASM_ACPI_H + +#define RSDP_SIG "RSD PTR " /* RSDT pointer signature */ +#define ACPI_TABLE_CREATOR "U-BootAC" /* Must be exactly 8 bytes long! */ +#define OEM_ID "U-Boot" /* Must be exactly 6 bytes long! */ +#define ASLC "U-Bo" /* Must be exactly 4 bytes long! */ + +/* 0 = S0, 1 = S1 ...*/ +int acpi_get_slp_type(void); +void apci_set_slp_type(int type); + +#endif -- cgit