/* | |
* 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 */ |