Home Explore Help
Register Sign In
phyus
/
linux-vybrid_public
8
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: a745f039b9
Branches Tags
linux-vybrid_pu...
/
arch
/
arm
/
mach-vexpress
/
include
/
mach
/
debug-macro.S

debug-macro.S 2.0 KB
History Raw

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 
  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. 

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

  26. 		@ - the original A9 core tile, which has MPCore peripherals
    27. 

  27. 		@   located at 0x1e000000, should use UART at 0x10009000
    28. 

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

  29. 		@   at 0x1c090000
    30. 

  30. 		mrc	p15, 4, \tmp, c15, c0, 0
    31. 

  31. 		cmp	\tmp, #0x1e000000
    32. 

  32. 

  33. 		@ Original memory map
    34. 

  34. 		moveq	\rp, #DEBUG_LL_UART_OFFSET
    35. 

  35. 		orreq	\rv, \rp, #DEBUG_LL_VIRT_BASE
    36. 

  36. 		orreq	\rp, \rp, #DEBUG_LL_PHYS_BASE
    37. 

  37. 

  38. 		@ RS1 memory map
    39. 

  39. 		movne	\rp, #DEBUG_LL_UART_OFFSET_RS1
    40. 

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

  41. 		orrne	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    42. 

  42. 

  43. 		.endm
    44. 

  44. 

  45. #include <asm/hardware/debug-pl01x.S>
    46. 

  46. 

  47. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
    48. 

  48. 

  49. 		.macro	addruart,rp,rv,tmp
    50. 

  50. 		mov	\rp, #DEBUG_LL_UART_OFFSET
    51. 

  51. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    52. 

  52. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
    53. 

  53. 		.endm
    54. 

  54. 

  55. #include <asm/hardware/debug-pl01x.S>
    56. 

  56. 

  57. #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
    58. 

  58. 

  59. 		.macro	addruart,rp,rv,tmp
    60. 

  60. 		mov	\rp, #DEBUG_LL_UART_OFFSET_RS1
    61. 

  61. 		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
    62. 

  62. 		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
    63. 

  63. 		.endm
    64. 

  64. 

  65. #include <asm/hardware/debug-pl01x.S>
    66. 

  66. 

  67. #else /* CONFIG_DEBUG_LL_UART_NONE */
    68. 

  68. 

  69. 		.macro	addruart, rp, rv, tmp
    70. 

  70. 		/* Safe dummy values */
    71. 

  71. 		mov	\rp, #0
    72. 

  72. 		mov	\rv, #DEBUG_LL_VIRT_BASE
    73. 

  73. 		.endm
    74. 

  74. 

  75. 		.macro	senduart,rd,rx
    76. 

  76. 		.endm
    77. 

  77. 

  78. 		.macro	waituart,rd,rx
    79. 

  79. 		.endm
    80. 

  80. 

  81. 		.macro	busyuart,rd,rx
    82. 

  82. 		.endm
    83. 

  83. 

  84. #endif
    85.