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/* SPDX-License-Identifier: GPL-2.0 */
/*
* From coreboot file of the same name
*
* Copyright (C) 2010 coresystems GmbH
*/
#ifndef __ASM_IOAPIC_H
#define __ASM_IOAPIC_H
#define IO_APIC_ADDR 0xfec00000
/* Direct addressed register */
#define IO_APIC_INDEX (IO_APIC_ADDR + 0x00)
#define IO_APIC_DATA (IO_APIC_ADDR + 0x10)
/* Indirect addressed register offset */
#define IO_APIC_ID 0x00
#define IO_APIC_VER 0x01
/**
* io_apic_read() - Read I/O APIC register
*
* This routine reads I/O APIC indirect addressed register.
*
* @reg: address of indirect addressed register
* @return: register value to read
*/
u32 io_apic_read(u32 reg);
/**
* io_apic_write() - Write I/O APIC register
*
* This routine writes I/O APIC indirect addressed register.
*
* @reg: address of indirect addressed register
* @val: register value to write
*/
void io_apic_write(u32 reg, u32 val);
void io_apic_set_id(int ioapic_id);
#endif
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