2 * Copyright (C) 1994-1996 Linus Torvalds & authors
4 * This file contains the powerpc architecture specific IDE code.
6 #ifndef _ASM_POWERPC_IDE_H
7 #define _ASM_POWERPC_IDE_H
12 #include <linux/sched.h>
13 #include <asm/mpc8xx.h>
26 #define __ide_mm_insw(p, a, c) readsw((void __iomem *)(p), (a), (c))
27 #define __ide_mm_insl(p, a, c) readsl((void __iomem *)(p), (a), (c))
28 #define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
29 #define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
31 #define __ide_mm_insw(p, a, c) _insw_ns((volatile u16 __iomem *)(p), (a), (c))
32 #define __ide_mm_insl(p, a, c) _insl_ns((volatile u32 __iomem *)(p), (a), (c))
33 #define __ide_mm_outsw(p, a, c) _outsw_ns((volatile u16 __iomem *)(p), (a), (c))
34 #define __ide_mm_outsl(p, a, c) _outsl_ns((volatile u32 __iomem *)(p), (a), (c))
38 #include <linux/hdreg.h>
39 #include <linux/ioport.h>
41 struct ide_machdep_calls {
42 int (*default_irq)(unsigned long base);
43 unsigned long (*default_io_base)(int index);
44 void (*ide_init_hwif)(hw_regs_t *hw,
45 unsigned long data_port,
46 unsigned long ctrl_port,
50 extern struct ide_machdep_calls ppc_ide_md;
52 #undef SUPPORT_SLOW_DATA_PORTS
53 #define SUPPORT_SLOW_DATA_PORTS 0
55 #define IDE_ARCH_OBSOLETE_DEFAULTS
57 static __inline__ int ide_default_irq(unsigned long base)
59 if (ppc_ide_md.default_irq)
60 return ppc_ide_md.default_irq(base);
64 static __inline__ unsigned long ide_default_io_base(int index)
66 if (ppc_ide_md.default_io_base)
67 return ppc_ide_md.default_io_base(index);
72 #define ide_init_default_irq(base) (0)
74 #define ide_init_default_irq(base) ide_default_irq(base)
77 #if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE )
78 #define IDE_ARCH_ACK_INTR 1
79 #define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
82 #endif /* __powerpc64__ */
84 #define IDE_ARCH_OBSOLETE_INIT
85 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
87 #endif /* __KERNEL__ */
89 #endif /* _ASM_POWERPC_IDE_H */