debuggers.hg

view xen/include/asm-x86/mach-default/io_ports.h @ 0:7d21f7218375

Exact replica of unstable on 051908 + README-this
author Mukesh Rathor
date Mon May 19 15:34:57 2008 -0700 (2008-05-19)
parents
children f470118a979e
line source
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
10 /* i8253A PIT registers */
11 #define PIT_MODE 0x43
12 #define PIT_CH0 0x40
13 #define PIT_CH2 0x42
15 /* i8259A PIC registers */
16 #define PIC_MASTER_CMD 0x20
17 #define PIC_MASTER_IMR 0x21
18 #define PIC_MASTER_ISR PIC_MASTER_CMD
19 #define PIC_MASTER_POLL PIC_MASTER_ISR
20 #define PIC_MASTER_OCW3 PIC_MASTER_ISR
21 #define PIC_SLAVE_CMD 0xa0
22 #define PIC_SLAVE_IMR 0xa1
24 /* i8259A PIC related value */
25 #define PIC_CASCADE_IR 2
26 #define MASTER_ICW4_DEFAULT 0x01
27 #define SLAVE_ICW4_DEFAULT 0x01
28 #define PIC_ICW4_AEOI 2
30 #endif /* !_MACH_IO_PORTS_H */