2 * linux/include/asm-i386/ide.h
4 * Copyright (C) 1994-1996 Linus Torvalds & authors
8 * This file contains the i386 architecture specific IDE code.
11 #ifndef __ASMi386_IDE_H
12 #define __ASMi386_IDE_H
16 #include <linux/config.h>
19 # ifdef CONFIG_BLK_DEV_IDEPCI
26 #define IDE_ARCH_OBSOLETE_DEFAULTS
28 static __inline__ int ide_default_irq(unsigned long base)
31 case 0x1f0: return 14;
32 case 0x170: return 15;
33 case 0x1e8: return 11;
34 case 0x168: return 10;
36 case 0x160: return 12;
42 static __inline__ unsigned long ide_default_io_base(int index)
45 * If PCI is present then it is not safe to poke around
46 * the other legacy IDE ports. Only 0x1f0 and 0x170 are
47 * defined compatibility mode ports for PCI. A user can
48 * override this using ide= but we must default safe.
50 if (pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) {
66 #define IDE_ARCH_OBSOLETE_INIT
67 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
69 #ifdef CONFIG_BLK_DEV_IDEPCI
70 #define ide_init_default_irq(base) (0)
72 #define ide_init_default_irq(base) ide_default_irq(base)
75 #include <asm-generic/ide_iops.h>
77 #endif /* __KERNEL__ */
79 #endif /* __ASMi386_IDE_H */