Pull bugzilla-5534 into release branch
[linux-2.6] / include / asm-i386 / mach-default / io_ports.h
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 /* i8253A PIT registers */
11 #define PIT_MODE                0x43
12 #define PIT_CH0                 0x40
13 #define PIT_CH2                 0x42
14
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
23
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
29
30 #endif /* !_MACH_IO_PORTS_H */