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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>
struct ide_machdep_calls {
int (*default_irq)(unsigned long base);
unsigned long (*default_io_base)(int index);
void (*ide_init_hwif)(hw_regs_t *hw,
unsigned long data_port,
unsigned long ctrl_port,
int *irq);
};
extern struct ide_machdep_calls ppc_ide_md;
#undef SUPPORT_SLOW_DATA_PORTS
#define SUPPORT_SLOW_DATA_PORTS 0
#define IDE_ARCH_OBSOLETE_DEFAULTS
static __inline__ int ide_default_irq(unsigned long base)
{
if (ppc_ide_md.default_irq)
return ppc_ide_md.default_irq(base);
return 0;
}
static __inline__ unsigned long ide_default_io_base(int index)
{
if (ppc_ide_md.default_io_base)
return ppc_ide_md.default_io_base(index);
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->hw.ack_intr ? hwif->hw.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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