Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6] / include / asm-mips / i8253.h
1 /*
2  *  Machine specific IO port address definition for generic.
3  *  Written by Osamu Tomita <tomita@cinet.co.jp>
4  */
5 #ifndef _MACH_IO_PORTS_H
6 #define _MACH_IO_PORTS_H
7
8 /* i8253A PIT registers */
9 #define PIT_MODE                0x43
10 #define PIT_CH0                 0x40
11 #define PIT_CH2                 0x42
12
13 /* i8259A PIC registers */
14 #define PIC_MASTER_CMD          0x20
15 #define PIC_MASTER_IMR          0x21
16 #define PIC_MASTER_ISR          PIC_MASTER_CMD
17 #define PIC_MASTER_POLL         PIC_MASTER_ISR
18 #define PIC_MASTER_OCW3         PIC_MASTER_ISR
19 #define PIC_SLAVE_CMD           0xa0
20 #define PIC_SLAVE_IMR           0xa1
21
22 /* i8259A PIC related value */
23 #define PIC_CASCADE_IR          2
24 #define MASTER_ICW4_DEFAULT     0x01
25 #define SLAVE_ICW4_DEFAULT      0x01
26 #define PIC_ICW4_AEOI           2
27
28 extern void setup_pit_timer(void);
29
30 #endif /* !_MACH_IO_PORTS_H */