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/*
* arch/i386/mach-pc9800/io_ports.h
*
* Machine specific IO port address definition for PC-9800.
* Written by Osamu Tomita <tomita@cinet.co.jp>
*/
#ifndef _MACH_IO_PORTS_H
#define _MACH_IO_PORTS_H
/* i8253A PIT registers */
#define PIT_MODE 0x77
#define PIT_CH0 0x71
#define PIT_CH2 0x75
/* i8259A PIC registers */
#define PIC_MASTER_CMD 0x00
#define PIC_MASTER_IMR 0x02
#define PIC_MASTER_ISR PIC_MASTER_CMD
#define PIC_MASTER_POLL PIC_MASTER_ISR
#define PIC_MASTER_OCW3 PIC_MASTER_ISR
#define PIC_SLAVE_CMD 0x08
#define PIC_SLAVE_IMR 0x0a
/* i8259A PIC related values */
#define PIC_CASCADE_IR 7
#define MASTER_ICW4_DEFAULT 0x1d
#define SLAVE_ICW4_DEFAULT 0x09
#define PIC_ICW4_AEOI 0x02
#endif /* !_MACH_IO_PORTS_H */