| /* | |
| * Copyright (C) 1994-1996 Linus Torvalds & authors | |
| */ | |
| /* | |
| * This file contains the i386 architecture specific IDE code. | |
| */ | |
| #ifndef __ASMi386_IDE_H | |
| #define __ASMi386_IDE_H | |
| #ifdef __KERNEL__ | |
| #ifndef MAX_HWIFS | |
| # ifdef CONFIG_BLK_DEV_IDEPCI | |
| #define MAX_HWIFS 10 | |
| # else | |
| #define MAX_HWIFS 6 | |
| # endif | |
| #endif | |
| static __inline__ int ide_default_irq(unsigned long base) | |
| { | |
| switch (base) { | |
| case 0x1f0: return 14; | |
| case 0x170: return 15; | |
| case 0x1e8: return 11; | |
| case 0x168: return 10; | |
| case 0x1e0: return 8; | |
| case 0x160: return 12; | |
| default: | |
| return 0; | |
| } | |
| } | |
| static __inline__ unsigned long ide_default_io_base(int index) | |
| { | |
| /* | |
| * If PCI is present then it is not safe to poke around | |
| * the other legacy IDE ports. Only 0x1f0 and 0x170 are | |
| * defined compatibility mode ports for PCI. A user can | |
| * override this using ide= but we must default safe. | |
| */ | |
| if (no_pci_devices()) { | |
| switch(index) { | |
| case 2: return 0x1e8; | |
| case 3: return 0x168; | |
| case 4: return 0x1e0; | |
| case 5: return 0x160; | |
| } | |
| } | |
| switch (index) { | |
| case 0: return 0x1f0; | |
| case 1: return 0x170; | |
| default: | |
| return 0; | |
| } | |
| } | |
| #include <asm-generic/ide_iops.h> | |
| #endif /* __KERNEL__ */ | |
| #endif /* __ASMi386_IDE_H */ |