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vexpress.S

vexpress.S 2.2 KB
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  1. /* arch/arm/mach-realview/include/mach/debug-macro.S
    2. 

  2.  *
    3. 

  3.  * Debugging macro include header
    4. 

  4.  *
    5. 

  5.  *  Copyright (C) 1994-1999 Russell King
    6. 

  6.  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
    7. 

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License version 2 as
    10. 

  10.  * published by the Free Software Foundation.
    11. 

  11.  */
    12. 

  12. 

  13. #define DEBUG_LL_PHYS_BASE		0x10000000
    14. 

  14. #define DEBUG_LL_UART_OFFSET		0x00009000
    15. 

  15. 

  16. #define DEBUG_LL_PHYS_BASE_RS1		0x1c000000
    17. 

  17. #define DEBUG_LL_UART_OFFSET_RS1	0x00090000
    18. 

  18. 

  19. #define DEBUG_LL_UART_PHYS_CRX		0xb0090000
    20. 

  20. 

  21. #define DEBUG_LL_VIRT_BASE		0xf8000000
    22. 

  22. 

  23. #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
    24. 

  24. 

  25. 		.macro	addruart,rp,rv,tmp
    26. 

  26. 		.arch   armv7-a
    27. 

  27. 

  28. 		@ Make an educated guess regarding the memory map:
    29. 

  29. 		@ - the original A9 core tile (based on ARM Cortex-A9 r0p1)
    30. 

  30. 		@   should use UART at 0x10009000
    31. 

  31. 		@ - all other (RS1 complaint) tiles use UART mapped
    32. 

  32. 		@   at 0x1c090000
    33. 

  33. 		mrc	p15, 0, \rp, c0, c0, 0
    34. 

  34. 		movw	\rv, #0xc091
    35. 

  35. 		movt	\rv, #0x410f
    36. 

  36. 		cmp	\rp, \rv
    37. 

  37. 

  38. 		@ Original memory map
    39. 

  39. 		moveq	\rp, #DEBUG_LL_UART_OFFSET
    40. 

  40. 		orreq	\rv, \rp, #DEBUG_LL_VIRT_BASE
    41. 

  41. 		orreq	\rp, \rp, #DEBUG_LL_PHYS_BASE
    42. 

  42. 

  43. 		@ RS1 memory map
    44. 

  44. 		movne	\rp, #DEBUG_LL_UART_OFFSET_RS1
    45. 

  45. 		orrne	\rv, \rp, #DEBUG_LL_VIRT_BASE
    46. 

  46. 		orrne	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    47. 

  47. 

  48. 		.endm
    49. 

  49. 

  50. #include <asm/hardware/debug-pl01x.S>
    51. 

  51. 

  52. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
    53. 

  53. 

  54. 		.macro	addruart,rp,rv,tmp
    55. 

  55. 		mov	\rp, #DEBUG_LL_UART_OFFSET
    56. 

  56. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    57. 

  57. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
    58. 

  58. 		.endm
    59. 

  59. 

  60. #include <asm/hardware/debug-pl01x.S>
    61. 

  61. 

  62. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
    63. 

  63. 

  64. 		.macro	addruart,rp,rv,tmp
    65. 

  65. 		mov	\rp, #DEBUG_LL_UART_OFFSET_RS1
    66. 

  66. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    67. 

  67. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    68. 

  68. 		.endm
    69. 

  69. 

  70. #include <asm/hardware/debug-pl01x.S>
    71. 

  71. 

  72. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CRX)
    73. 

  73. 

  74. 		.macro	addruart,rp,tmp,tmp2
    75. 

  75. 		ldr	\rp, =DEBUG_LL_UART_PHYS_CRX
    76. 

  76. 		.endm
    77. 

  77. 

  78. #include <asm/hardware/debug-pl01x.S>
    79. 

  79. 

  80. #else /* CONFIG_DEBUG_LL_UART_NONE */
    81. 

  81. 

  82. 		.macro	addruart, rp, rv, tmp
    83. 

  83. 		/* Safe dummy values */
    84. 

  84. 		mov	\rp, #0
    85. 

  85. 		mov	\rv, #DEBUG_LL_VIRT_BASE
    86. 

  86. 		.endm
    87. 

  87. 

  88. 		.macro	senduart,rd,rx
    89. 

  89. 		.endm
    90. 

  90. 

  91. 		.macro	waituart,rd,rx
    92. 

  92. 		.endm
    93. 

  93. 

  94. 		.macro	busyuart,rd,rx
    95. 

  95. 		.endm
    96. 

  96. 

  97. #endif
    98.