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- /*
- * arch/i386/mach-generic/io_ports.h
- *
- * Machine specific IO port address definition for generic.
- * Written by Osamu Tomita <tomita@cinet.co.jp>
- */
- #ifndef _MACH_IO_PORTS_H
- #define _MACH_IO_PORTS_H
-
- /* i8253A PIT registers */
- #define PIT_MODE 0x43
- #define PIT_CH0 0x40
- #define PIT_CH2 0x42
-
- /* i8259A PIC registers */
- #define PIC_MASTER_CMD 0x20
- #define PIC_MASTER_IMR 0x21
- #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 0xa0
- #define PIC_SLAVE_IMR 0xa1
-
- /* i8259A PIC related value */
- #define PIC_CASCADE_IR 2
- #define MASTER_ICW4_DEFAULT 0x01
- #define SLAVE_ICW4_DEFAULT 0x01
- #define PIC_ICW4_AEOI 2
-
- #endif /* !_MACH_IO_PORTS_H */
-