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x86: Add a simple header file for ACPI

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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 <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-11-14 18:18:33 -07:00
parent 4e7a6acac7
commit 3e0332c0b9
1 changed files with 24 additions and 0 deletions
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24
arch/x86/include/asm/acpi.h Normal file
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/*
* From coreboot
*
* Copyright (C) 2004 SUSE LINUX AG
* Copyright (C) 2004 Nick Barker
* Copyright (C) 2008-2009 coresystems GmbH
* (Written by Stefan Reinauer <stepan@coresystems.de>)
*
* 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