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vexpress.S

vexpress.S 2.0 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_VIRT_BASE		0xf8000000
    20. 

  20. 

  21. #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
    22. 

  22. 

  23. 		.macro	addruart,rp,rv,tmp
    24. 

  24. 		.arch   armv7-a
    25. 

  25. 

  26. 		@ Make an educated guess regarding the memory map:
    27. 

  27. 		@ - the original A9 core tile (based on ARM Cortex-A9 r0p1)
    28. 

  28. 		@   should use UART at 0x10009000
    29. 

  29. 		@ - all other (RS1 complaint) tiles use UART mapped
    30. 

  30. 		@   at 0x1c090000
    31. 

  31. 		mrc	p15, 0, \rp, c0, c0, 0
    32. 

  32. 		movw	\rv, #0xc091
    33. 

  33. 		movt	\rv, #0x410f
    34. 

  34. 		cmp	\rp, \rv
    35. 

  35. 

  36. 		@ Original memory map
    37. 

  37. 		moveq	\rp, #DEBUG_LL_UART_OFFSET
    38. 

  38. 		orreq	\rv, \rp, #DEBUG_LL_VIRT_BASE
    39. 

  39. 		orreq	\rp, \rp, #DEBUG_LL_PHYS_BASE
    40. 

  40. 

  41. 		@ RS1 memory map
    42. 

  42. 		movne	\rp, #DEBUG_LL_UART_OFFSET_RS1
    43. 

  43. 		orrne	\rv, \rp, #DEBUG_LL_VIRT_BASE
    44. 

  44. 		orrne	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    45. 

  45. 

  46. 		.endm
    47. 

  47. 

  48. #include <asm/hardware/debug-pl01x.S>
    49. 

  49. 

  50. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
    51. 

  51. 

  52. 		.macro	addruart,rp,rv,tmp
    53. 

  53. 		mov	\rp, #DEBUG_LL_UART_OFFSET
    54. 

  54. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    55. 

  55. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
    56. 

  56. 		.endm
    57. 

  57. 

  58. #include <asm/hardware/debug-pl01x.S>
    59. 

  59. 

  60. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
    61. 

  61. 

  62. 		.macro	addruart,rp,rv,tmp
    63. 

  63. 		mov	\rp, #DEBUG_LL_UART_OFFSET_RS1
    64. 

  64. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    65. 

  65. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    66. 

  66. 		.endm
    67. 

  67. 

  68. #include <asm/hardware/debug-pl01x.S>
    69. 

  69. 

  70. #else /* CONFIG_DEBUG_LL_UART_NONE */
    71. 

  71. 

  72. 		.macro	addruart, rp, rv, tmp
    73. 

  73. 		/* Safe dummy values */
    74. 

  74. 		mov	\rp, #0
    75. 

  75. 		mov	\rv, #DEBUG_LL_VIRT_BASE
    76. 

  76. 		.endm
    77. 

  77. 

  78. 		.macro	senduart,rd,rx
    79. 

  79. 		.endm
    80. 

  80. 

  81. 		.macro	waituart,rd,rx
    82. 

  82. 		.endm
    83. 

  83. 

  84. 		.macro	busyuart,rd,rx
    85. 

  85. 		.endm
    86. 

  86. 

  87. #endif
    88.