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/
include
/
asm-powerpc
/
ide.h

ide.h 1.8 KB
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  1. /*
    2. 

  2.  *  Copyright (C) 1994-1996 Linus Torvalds & authors
    3. 

  3.  *
    4. 

  4.  *  This file contains the powerpc architecture specific IDE code.
    5. 

  5.  */
    6. 

  6. #ifndef _ASM_POWERPC_IDE_H
    7. 

  7. #define _ASM_POWERPC_IDE_H
    8. 

  8. 

  9. #ifdef __KERNEL__
    10. 

  10. 

  11. #ifndef __powerpc64__
    12. 

  12. #include <linux/sched.h>
    13. 

  13. #include <asm/mpc8xx.h>
    14. 

  14. #endif
    15. 

  15. #include <asm/io.h>
    16. 

  16. 

  17. #ifndef MAX_HWIFS
    18. 

  18. #ifdef __powerpc64__
    19. 

  19. #define MAX_HWIFS	10
    20. 

  20. #else
    21. 

  21. #define MAX_HWIFS	8
    22. 

  22. #endif
    23. 

  23. #endif
    24. 

  24. 

  25. #define __ide_mm_insw(p, a, c)	readsw((void __iomem *)(p), (a), (c))
    26. 

  26. #define __ide_mm_insl(p, a, c)	readsl((void __iomem *)(p), (a), (c))
    27. 

  27. #define __ide_mm_outsw(p, a, c)	writesw((void __iomem *)(p), (a), (c))
    28. 

  28. #define __ide_mm_outsl(p, a, c)	writesl((void __iomem *)(p), (a), (c))
    29. 

  29. 

  30. #ifndef  __powerpc64__
    31. 

  31. #include <linux/hdreg.h>
    32. 

  32. #include <linux/ioport.h>
    33. 

  33. 

  34. /* FIXME: use ide_platform host driver */
    35. 

  35. static __inline__ int ide_default_irq(unsigned long base)
    36. 

  36. {
    37. 

  37. #ifdef CONFIG_PPLUS
    38. 

  38. 	switch (base) {
    39. 

  39. 	case 0x1f0:	return 14;
    40. 

  40. 	case 0x170:	return 15;
    41. 

  41. 	}
    42. 

  42. #endif
    43. 

  43. #ifdef CONFIG_PPC_PREP
    44. 

  44. 	switch (base) {
    45. 

  45. 	case 0x1f0:	return 13;
    46. 

  46. 	case 0x170:	return 13;
    47. 

  47. 	case 0x1e8:	return 11;
    48. 

  48. 	case 0x168:	return 10;
    49. 

  49. 	case 0xfff0:	return 14;	/* MCP(N)750 ide0 */
    50. 

  50. 	case 0xffe0:	return 15;	/* MCP(N)750 ide1 */
    51. 

  51. 	}
    52. 

  52. #endif
    53. 

  53. 	return 0;
    54. 

  54. }
    55. 

  55. 

  56. /* FIXME: use ide_platform host driver */
    57. 

  57. static __inline__ unsigned long ide_default_io_base(int index)
    58. 

  58. {
    59. 

  59. #ifdef CONFIG_PPLUS
    60. 

  60. 	switch (index) {
    61. 

  61. 	case 0:		return 0x1f0;
    62. 

  62. 	case 1:		return 0x170;
    63. 

  63. 	}
    64. 

  64. #endif
    65. 

  65. #ifdef CONFIG_PPC_PREP
    66. 

  66. 	switch (index) {
    67. 

  67. 	case 0:		return 0x1f0;
    68. 

  68. 	case 1:		return 0x170;
    69. 

  69. 	case 2:		return 0x1e8;
    70. 

  70. 	case 3:		return 0x168;
    71. 

  71. 	}
    72. 

  72. #endif
    73. 

  73. 	return 0;
    74. 

  74. }
    75. 

  75. 

  76. #ifdef CONFIG_BLK_DEV_MPC8xx_IDE
    77. 

  77. #define IDE_ARCH_ACK_INTR  1
    78. 

  78. #define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
    79. 

  79. #endif
    80. 

  80. 

  81. #endif /* __powerpc64__ */
    82. 

  82. 

  83. #endif /* __KERNEL__ */
    84. 

  84. 

  85. #endif /* _ASM_POWERPC_IDE_H */
    86.