at91_aic.h 4.4 KB

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  1. /*
  2. * arch/arm/mach-at91/include/mach/at91_aic.h
  3. *
  4. * Copyright (C) 2005 Ivan Kokshaysky
  5. * Copyright (C) SAN People
  6. *
  7. * Advanced Interrupt Controller (AIC) - System peripherals registers.
  8. * Based on AT91RM9200 datasheet revision E.
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (at your option) any later version.
  14. */
  15. #ifndef AT91_AIC_H
  16. #define AT91_AIC_H
  17. #ifndef __ASSEMBLY__
  18. extern void __iomem *at91_aic_base;
  19. #define at91_aic_read(field) \
  20. __raw_readl(at91_aic_base + field)
  21. #define at91_aic_write(field, value) \
  22. __raw_writel(value, at91_aic_base + field)
  23. #else
  24. .extern at91_aic_base
  25. #endif
  26. /* Number of irq lines managed by AIC */
  27. #define NR_AIC_IRQS 32
  28. #define NR_AIC5_IRQS 128
  29. #define AT91_AIC5_SSR 0x0 /* Source Select Register [AIC5] */
  30. #define AT91_AIC5_INTSEL_MSK (0x7f << 0) /* Interrupt Line Selection Mask */
  31. #define AT91_AIC_IRQ_MIN_PRIORITY 0
  32. #define AT91_AIC_IRQ_MAX_PRIORITY 7
  33. #define AT91_AIC_SMR(n) ((n) * 4) /* Source Mode Registers 0-31 */
  34. #define AT91_AIC5_SMR 0x4 /* Source Mode Register [AIC5] */
  35. #define AT91_AIC_PRIOR (7 << 0) /* Priority Level */
  36. #define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */
  37. #define AT91_AIC_SRCTYPE_LOW (0 << 5)
  38. #define AT91_AIC_SRCTYPE_FALLING (1 << 5)
  39. #define AT91_AIC_SRCTYPE_HIGH (2 << 5)
  40. #define AT91_AIC_SRCTYPE_RISING (3 << 5)
  41. #define AT91_AIC_SVR(n) (0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */
  42. #define AT91_AIC5_SVR 0x8 /* Source Vector Register [AIC5] */
  43. #define AT91_AIC_IVR 0x100 /* Interrupt Vector Register */
  44. #define AT91_AIC5_IVR 0x10 /* Interrupt Vector Register [AIC5] */
  45. #define AT91_AIC_FVR 0x104 /* Fast Interrupt Vector Register */
  46. #define AT91_AIC5_FVR 0x14 /* Fast Interrupt Vector Register [AIC5] */
  47. #define AT91_AIC_ISR 0x108 /* Interrupt Status Register */
  48. #define AT91_AIC5_ISR 0x18 /* Interrupt Status Register [AIC5] */
  49. #define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */
  50. #define AT91_AIC_IPR 0x10c /* Interrupt Pending Register */
  51. #define AT91_AIC5_IPR0 0x20 /* Interrupt Pending Register 0 [AIC5] */
  52. #define AT91_AIC5_IPR1 0x24 /* Interrupt Pending Register 1 [AIC5] */
  53. #define AT91_AIC5_IPR2 0x28 /* Interrupt Pending Register 2 [AIC5] */
  54. #define AT91_AIC5_IPR3 0x2c /* Interrupt Pending Register 3 [AIC5] */
  55. #define AT91_AIC_IMR 0x110 /* Interrupt Mask Register */
  56. #define AT91_AIC5_IMR 0x30 /* Interrupt Mask Register [AIC5] */
  57. #define AT91_AIC_CISR 0x114 /* Core Interrupt Status Register */
  58. #define AT91_AIC5_CISR 0x34 /* Core Interrupt Status Register [AIC5] */
  59. #define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */
  60. #define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */
  61. #define AT91_AIC_IECR 0x120 /* Interrupt Enable Command Register */
  62. #define AT91_AIC5_IECR 0x40 /* Interrupt Enable Command Register [AIC5] */
  63. #define AT91_AIC_IDCR 0x124 /* Interrupt Disable Command Register */
  64. #define AT91_AIC5_IDCR 0x44 /* Interrupt Disable Command Register [AIC5] */
  65. #define AT91_AIC_ICCR 0x128 /* Interrupt Clear Command Register */
  66. #define AT91_AIC5_ICCR 0x48 /* Interrupt Clear Command Register [AIC5] */
  67. #define AT91_AIC_ISCR 0x12c /* Interrupt Set Command Register */
  68. #define AT91_AIC5_ISCR 0x4c /* Interrupt Set Command Register [AIC5] */
  69. #define AT91_AIC_EOICR 0x130 /* End of Interrupt Command Register */
  70. #define AT91_AIC5_EOICR 0x38 /* End of Interrupt Command Register [AIC5] */
  71. #define AT91_AIC_SPU 0x134 /* Spurious Interrupt Vector Register */
  72. #define AT91_AIC5_SPU 0x3c /* Spurious Interrupt Vector Register [AIC5] */
  73. #define AT91_AIC_DCR 0x138 /* Debug Control Register */
  74. #define AT91_AIC5_DCR 0x6c /* Debug Control Register [AIC5] */
  75. #define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */
  76. #define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */
  77. #define AT91_AIC_FFER 0x140 /* Fast Forcing Enable Register [SAM9 only] */
  78. #define AT91_AIC5_FFER 0x50 /* Fast Forcing Enable Register [AIC5] */
  79. #define AT91_AIC_FFDR 0x144 /* Fast Forcing Disable Register [SAM9 only] */
  80. #define AT91_AIC5_FFDR 0x54 /* Fast Forcing Disable Register [AIC5] */
  81. #define AT91_AIC_FFSR 0x148 /* Fast Forcing Status Register [SAM9 only] */
  82. #define AT91_AIC5_FFSR 0x58 /* Fast Forcing Status Register [AIC5] */
  83. void at91_aic_handle_irq(struct pt_regs *regs);
  84. void at91_aic5_handle_irq(struct pt_regs *regs);
  85. #endif