mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*
|
|
* 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) _insw_ns((volatile u16 __iomem *)(p), (a), (c))
|
|
#define __ide_mm_insl(p, a, c) _insl_ns((volatile u32 __iomem *)(p), (a), (c))
|
|
#define __ide_mm_outsw(p, a, c) _outsw_ns((volatile u16 __iomem *)(p), (a), (c))
|
|
#define __ide_mm_outsl(p, a, c) _outsl_ns((volatile u32 __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
|
|
|
|
#if (defined CONFIG_APUS || defined 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_ARCH_OBSOLETE_INIT
|
|
#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_POWERPC_IDE_H */
|