79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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* Copyright (C) 1994-1996 Linus Torvalds & authors
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*
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* This file contains the powerpc architecture specific IDE code.
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*/
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#ifndef _ASM_POWERPC_IDE_H
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#define _ASM_POWERPC_IDE_H
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#ifdef __KERNEL__
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#ifndef __powerpc64__
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#include <linux/sched.h>
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#include <asm/mpc8xx.h>
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#endif
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#include <asm/io.h>
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#ifndef MAX_HWIFS
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#ifdef __powerpc64__
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#define MAX_HWIFS 10
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#else
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#define MAX_HWIFS 8
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#endif
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#endif
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#define __ide_mm_insw(p, a, c) readsw((void __iomem *)(p), (a), (c))
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#define __ide_mm_insl(p, a, c) readsl((void __iomem *)(p), (a), (c))
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#define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
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#define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
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#ifndef __powerpc64__
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#include <linux/hdreg.h>
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#include <linux/ioport.h>
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struct ide_machdep_calls {
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int (*default_irq)(unsigned long base);
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unsigned long (*default_io_base)(int index);
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void (*ide_init_hwif)(hw_regs_t *hw,
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unsigned long data_port,
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unsigned long ctrl_port,
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int *irq);
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};
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extern struct ide_machdep_calls ppc_ide_md;
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#define IDE_ARCH_OBSOLETE_DEFAULTS
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static __inline__ int ide_default_irq(unsigned long base)
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{
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if (ppc_ide_md.default_irq)
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return ppc_ide_md.default_irq(base);
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return 0;
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}
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static __inline__ unsigned long ide_default_io_base(int index)
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{
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if (ppc_ide_md.default_io_base)
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return ppc_ide_md.default_io_base(index);
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return 0;
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}
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#ifdef CONFIG_PCI
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#define ide_init_default_irq(base) (0)
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#else
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#define ide_init_default_irq(base) ide_default_irq(base)
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#endif
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#ifdef CONFIG_BLK_DEV_MPC8xx_IDE
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#define IDE_ARCH_ACK_INTR 1
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#define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
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#endif
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#endif /* __powerpc64__ */
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#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_IDE_H */
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