/* * arch/i386/mach-generic/io_ports.h * * Machine specific IO port address definition for generic. * Written by Osamu Tomita */ #ifndef _MACH_IO_PORTS_H #define _MACH_IO_PORTS_H /* 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 */