arch/powerpc/include/asm/ide.h

   1 /*
   2  *  Copyright (C) 1994-1996 Linus Torvalds & authors
   3  *
   4  *  This file contains the powerpc architecture specific IDE code.
   5  */
   6 #ifndef _ASM_POWERPC_IDE_H
   7 #define _ASM_POWERPC_IDE_H
   8
   9 #ifdef __KERNEL__
  10
  11 #ifndef __powerpc64__
  12 #include <linux/sched.h>
  13 #include <asm/mpc8xx.h>
  14 #endif
  15 #include <asm/io.h>
  16
  17 #define __ide_mm_insw(p, a, c)  readsw((void __iomem *)(p), (a), (c))
  18 #define __ide_mm_insl(p, a, c)  readsl((void __iomem *)(p), (a), (c))
  19 #define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
  20 #define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
  21
  22 #ifndef  __powerpc64__
  23 #include <linux/ioport.h>
  24
  25 /* FIXME: use ide_platform host driver */
  26 static __inline__ int ide_default_irq(unsigned long base)
  27 {
  28 #ifdef CONFIG_PPLUS
  29         switch (base) {
  30         case 0x1f0:     return 14;
  31         case 0x170:     return 15;
  32         }
  33 #endif
  34         return 0;
  35 }
  36
  37 /* FIXME: use ide_platform host driver */
  38 static __inline__ unsigned long ide_default_io_base(int index)
  39 {
  40 #ifdef CONFIG_PPLUS
  41         switch (index) {
  42         case 0:         return 0x1f0;
  43         case 1:         return 0x170;
  44         }
  45 #endif
  46         return 0;
  47 }
  48
  49 #ifdef CONFIG_BLK_DEV_MPC8xx_IDE
  50 #define IDE_ARCH_ACK_INTR  1
  51 #define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
  52 #endif
  53
  54 #endif /* __powerpc64__ */
  55
  56 #endif /* __KERNEL__ */
  57
  58 #endif /* _ASM_POWERPC_IDE_H */