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-rw-r--r--include/asm-x86/mach-default/io_ports.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-x86/mach-default/io_ports.h b/include/asm-x86/mach-default/io_ports.h
new file mode 100644
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+++ b/include/asm-x86/mach-default/io_ports.h
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1/*
2 * arch/i386/mach-generic/io_ports.h
3 *
4 * Machine specific IO port address definition for generic.
5 * Written by Osamu Tomita <tomita@cinet.co.jp>
6 */
7#ifndef _MACH_IO_PORTS_H
8#define _MACH_IO_PORTS_H
9
10/* i8259A PIC registers */
11#define PIC_MASTER_CMD 0x20
12#define PIC_MASTER_IMR 0x21
13#define PIC_MASTER_ISR PIC_MASTER_CMD
14#define PIC_MASTER_POLL PIC_MASTER_ISR
15#define PIC_MASTER_OCW3 PIC_MASTER_ISR
16#define PIC_SLAVE_CMD 0xa0
17#define PIC_SLAVE_IMR 0xa1
18
19/* i8259A PIC related value */
20#define PIC_CASCADE_IR 2
21#define MASTER_ICW4_DEFAULT 0x01
22#define SLAVE_ICW4_DEFAULT 0x01
23#define PIC_ICW4_AEOI 2
24
25#endif /* !_MACH_IO_PORTS_H */