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include
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asm-arm
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arch-omap
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entry-macro.S

entry-macro.S 2.1 KB
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  1. /*
    2. 

  2.  * include/asm-arm/arch-omap/entry-macro.S
    3. 

  3.  *
    4. 

  4.  * Low-level IRQ helper macros for OMAP-based platforms
    5. 

  5.  *
    6. 

  6.  * This file is licensed under  the terms of the GNU General Public
    7. 

  7.  * License version 2. This program is licensed "as is" without any
    8. 

  8.  * warranty of any kind, whether express or implied.
    9. 

  9.  */
    10. 

  10. #include <asm/hardware.h>
    11. 

  11. #include <asm/arch/irqs.h>
    12. 

  12. 

  13. #if defined(CONFIG_ARCH_OMAP1)
    14. 

  14. 

  15. #if defined(CONFIG_ARCH_OMAP730) && \
    16. 

  16. 	(defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX))
    17. 

  17. #error "FIXME: OMAP730 doesn't support multiple-OMAP"
    18. 

  18. #elif defined(CONFIG_ARCH_OMAP730)
    19. 

  19. #define INT_IH2_IRQ		INT_730_IH2_IRQ
    20. 

  20. #elif defined(CONFIG_ARCH_OMAP15XX)
    21. 

  21. #define INT_IH2_IRQ		INT_1510_IH2_IRQ
    22. 

  22. #elif defined(CONFIG_ARCH_OMAP16XX)
    23. 

  23. #define INT_IH2_IRQ		INT_1610_IH2_IRQ
    24. 

  24. #else
    25. 

  25. #warning "IH2 IRQ defaulted"
    26. 

  26. #define INT_IH2_IRQ		INT_1510_IH2_IRQ
    27. 

  27. #endif
    28. 

  28. 

  29.  		.macro	disable_fiq
    30. 

  30. 		.endm
    31. 

  31. 

  32. 		.macro  get_irqnr_preamble, base, tmp
    33. 

  33. 		.endm
    34. 

  34. 

  35. 		.macro  arch_ret_to_user, tmp1, tmp2
    36. 

  36. 		.endm
    37. 

  37. 

  38. 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
    39. 

  39. 		ldr	\base, =IO_ADDRESS(OMAP_IH1_BASE)
    40. 

  40. 		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET]
    41. 

  41. 		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET]
    42. 

  42. 		mov	\irqstat, #0xffffffff
    43. 

  43. 		bic	\tmp, \irqstat, \tmp
    44. 

  44. 		tst	\irqnr, \tmp
    45. 

  45. 		beq	1510f
    46. 

  46. 

  47. 		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
    48. 

  48. 		cmp	\irqnr, #0
    49. 

  49. 		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
    50. 

  50. 		cmpeq	\irqnr, #INT_IH2_IRQ
    51. 

  51. 		ldreq	\base, =IO_ADDRESS(OMAP_IH2_BASE)
    52. 

  52. 		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
    53. 

  53. 		addeqs	\irqnr, \irqnr, #32
    54. 

  54. 1510:
    55. 

  55. 		.endm
    56. 

  56. 

  57. #elif defined(CONFIG_ARCH_OMAP24XX)
    58. 

  58. 

  59. #include <asm/arch/omap24xx.h>
    60. 

  60. 

  61. 		.macro	disable_fiq
    62. 

  62. 		.endm
    63. 

  63. 

  64. 		.macro  get_irqnr_preamble, base, tmp
    65. 

  65. 		.endm
    66. 

  66. 

  67. 		.macro  arch_ret_to_user, tmp1, tmp2
    68. 

  68. 		.endm
    69. 

  69. 

  70. 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
    71. 

  71. 		ldr	\base, =VA_IC_BASE
    72. 

  72. 		ldr	\irqnr, [\base, #0x98] /* IRQ pending reg 1 */
    73. 

  73. 		cmp	\irqnr, #0x0
    74. 

  74. 		bne	2222f
    75. 

  75. 		ldr	\irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
    76. 

  76. 		cmp	\irqnr, #0x0
    77. 

  77. 		bne	2222f
    78. 

  78. 		ldr	\irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
    79. 

  79. 		cmp	\irqnr, #0x0
    80. 

  80. 2222:
    81. 

  81. 		ldrne	\irqnr, [\base, #IRQ_SIR_IRQ]
    82. 

  82. 

  83. 		.endm
    84. 

  84. 

  85. 		.macro	irq_prio_table
    86. 

  86. 		.endm
    87. 

  87. 

  88. #endif
    89.