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/*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*
* This file contains the powerpc architecture specific IDE code.
*/
#ifndef _ASM_POWERPC_IDE_H
#define _ASM_POWERPC_IDE_H
#ifdef __KERNEL__
#ifndef __powerpc64__
#include <linux/sched.h>
#include <asm/mpc8xx.h>
#endif
#include <asm/io.h>
#ifndef MAX_HWIFS
#ifdef __powerpc64__
#define MAX_HWIFS 10
#else
#define MAX_HWIFS 8
#endif
#endif
#define __ide_mm_insw(p, a, c) readsw((void __iomem *)(p), (a), (c))
#define __ide_mm_insl(p, a, c) readsl((void __iomem *)(p), (a), (c))
#define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
#define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
#ifndef __powerpc64__
#include <linux/hdreg.h>
#include <linux/ioport.h>
/* FIXME: use ide_platform host driver */
static __inline__ int ide_default_irq(unsigned long base)
{
#ifdef CONFIG_PPLUS
switch (base) {
case 0x1f0: return 14;
case 0x170: return 15;
}
#endif
#ifdef CONFIG_PPC_PREP
switch (base) {
case 0x1f0: return 13;
case 0x170: return 13;
case 0x1e8: return 11;
case 0x168: return 10;
case 0xfff0: return 14; /* MCP(N)750 ide0 */
case 0xffe0: return 15; /* MCP(N)750 ide1 */
}
#endif
return 0;
}
/* FIXME: use ide_platform host driver */
static __inline__ unsigned long ide_default_io_base(int index)
{
#ifdef CONFIG_PPLUS
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
}
#endif
#ifdef CONFIG_PPC_PREP
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
case 2: return 0x1e8;
case 3: return 0x168;
}
#endif
return 0;
}
#ifdef CONFIG_PCI
#define ide_init_default_irq(base) (0)
#else
#define ide_init_default_irq(base) ide_default_irq(base)
#endif
#ifdef CONFIG_BLK_DEV_MPC8xx_IDE
#define IDE_ARCH_ACK_INTR 1
#define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
#endif
#endif /* __powerpc64__ */
#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_IDE_H */
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