| /* |
| * linux/include/asm-i386/ide.h |
| * |
| * 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 |
| |
| #define IDE_ARCH_OBSOLETE_DEFAULTS |
| |
| 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; |
| } |
| } |
| |
| #define IDE_ARCH_OBSOLETE_INIT |
| #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ |
| |
| #ifdef CONFIG_BLK_DEV_IDEPCI |
| #define ide_init_default_irq(base) (0) |
| #else |
| #define ide_init_default_irq(base) ide_default_irq(base) |
| #endif |
| |
| #include <asm-generic/ide_iops.h> |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __ASMi386_IDE_H */ |