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- /*
- * From coreboot file of the same name
- *
- * Copyright (C) 2010 coresystems GmbH
- *
- * SPDX-License-Identifier: GPL-2.0
- */
- #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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