Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 424 | giacomo | 1 | /* |
| 2 | * arch/i386/mach-pc9800/io_ports.h |
||
| 3 | * |
||
| 4 | * Machine specific IO port address definition for PC-9800. |
||
| 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 0x77 |
||
| 12 | #define PIT_CH0 0x71 |
||
| 13 | #define PIT_CH2 0x75 |
||
| 14 | |||
| 15 | /* i8259A PIC registers */ |
||
| 16 | #define PIC_MASTER_CMD 0x00 |
||
| 17 | #define PIC_MASTER_IMR 0x02 |
||
| 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 0x08 |
||
| 22 | #define PIC_SLAVE_IMR 0x0a |
||
| 23 | |||
| 24 | /* i8259A PIC related values */ |
||
| 25 | #define PIC_CASCADE_IR 7 |
||
| 26 | #define MASTER_ICW4_DEFAULT 0x1d |
||
| 27 | #define SLAVE_ICW4_DEFAULT 0x09 |
||
| 28 | #define PIC_ICW4_AEOI 0x02 |
||
| 29 | |||
| 30 | #endif /* !_MACH_IO_PORTS_H */ |