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>
25 #include <linux/hdreg.h>
26 #include <linux/ioport.h>
29 extern void __ide_mm_insw(void __iomem *port, void *addr, u32 count);
30 extern void __ide_mm_outsw(void __iomem *port, void *addr, u32 count);
31 extern void __ide_mm_insl(void __iomem *port, void *addr, u32 count);
32 extern void __ide_mm_outsl(void __iomem *port, void *addr, u32 count);
34 struct ide_machdep_calls {
35 int (*default_irq)(unsigned long base);
36 unsigned long (*default_io_base)(int index);
37 void (*ide_init_hwif)(hw_regs_t *hw,
38 unsigned long data_port,
39 unsigned long ctrl_port,
43 extern struct ide_machdep_calls ppc_ide_md;
45 #undef SUPPORT_SLOW_DATA_PORTS
46 #define SUPPORT_SLOW_DATA_PORTS 0
48 #define IDE_ARCH_OBSOLETE_DEFAULTS
50 static __inline__ int ide_default_irq(unsigned long base)
52 if (ppc_ide_md.default_irq)
53 return ppc_ide_md.default_irq(base);
57 static __inline__ unsigned long ide_default_io_base(int index)
59 if (ppc_ide_md.default_io_base)
60 return ppc_ide_md.default_io_base(index);
65 #define ide_init_default_irq(base) (0)
67 #define ide_init_default_irq(base) ide_default_irq(base)
70 #if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE )
71 #define IDE_ARCH_ACK_INTR 1
72 #define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
75 #endif /* __powerpc64__ */
77 #define IDE_ARCH_OBSOLETE_INIT
78 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
80 #endif /* __KERNEL__ */
82 #endif /* _ASM_POWERPC_IDE_H */