include/asm-powerpc/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 #ifndef MAX_HWIFS
  18 #ifdef __powerpc64__
  19 #define MAX_HWIFS       10
  20 #else
  21 #define MAX_HWIFS       8
  22 #endif
  23 #endif
  24
  25 #define __ide_mm_insw(p, a, c)  readsw((void __iomem *)(p), (a), (c))
  26 #define __ide_mm_insl(p, a, c)  readsl((void __iomem *)(p), (a), (c))
  27 #define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
  28 #define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
  29
  30 #ifndef  __powerpc64__
  31 #include <linux/hdreg.h>
  32 #include <linux/ioport.h>
  33
  34 /* FIXME: use ide_platform host driver */
  35 static __inline__ int ide_default_irq(unsigned long base)
  36 {
  37 #ifdef CONFIG_PPLUS
  38         switch (base) {
  39         case 0x1f0:     return 14;
  40         case 0x170:     return 15;
  41         }
  42 #endif
  43 #ifdef CONFIG_PPC_PREP
  44         switch (base) {
  45         case 0x1f0:     return 13;
  46         case 0x170:     return 13;
  47         case 0x1e8:     return 11;
  48         case 0x168:     return 10;
  49         case 0xfff0:    return 14;      /* MCP(N)750 ide0 */
  50         case 0xffe0:    return 15;      /* MCP(N)750 ide1 */
  51         }
  52 #endif
  53         return 0;
  54 }
  55
  56 /* FIXME: use ide_platform host driver */
  57 static __inline__ unsigned long ide_default_io_base(int index)
  58 {
  59 #ifdef CONFIG_PPLUS
  60         switch (index) {
  61         case 0:         return 0x1f0;
  62         case 1:         return 0x170;
  63         }
  64 #endif
  65 #ifdef CONFIG_PPC_PREP
  66         switch (index) {
  67         case 0:         return 0x1f0;
  68         case 1:         return 0x170;
  69         case 2:         return 0x1e8;
  70         case 3:         return 0x168;
  71         }
  72 #endif
  73         return 0;
  74 }
  75
  76 #ifdef CONFIG_BLK_DEV_MPC8xx_IDE
  77 #define IDE_ARCH_ACK_INTR  1
  78 #define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
  79 #endif
  80
  81 #endif /* __powerpc64__ */
  82
  83 #endif /* __KERNEL__ */
  84
  85 #endif /* _ASM_POWERPC_IDE_H */