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linux-vybrid_pu...
/
arch
/
arm
/
plat-omap
/
include
/
mach
/
debug-macro.S

debug-macro.S 1.8 KB
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  1. /* arch/arm/plat-omap/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. 

  13. 

  14. 		.macro	addruart,rx
    15. 

  15. 		mrc	p15, 0, \rx, c1, c0
    16. 

  16. 		tst	\rx, #1			@ MMU enabled?
    17. 

  17. #ifdef CONFIG_ARCH_OMAP1
    18. 

  18. 		moveq	\rx, #0xff000000	@ physical base address
    19. 

  19. 		movne	\rx, #0xfe000000	@ virtual base
    20. 

  20. 		orr	\rx, \rx, #0x00fb0000
    21. 

  21. #ifdef CONFIG_OMAP_LL_DEBUG_UART3
    22. 

  22. 		orr	\rx, \rx, #0x00009000	@ UART 3
    23. 

  23. #endif
    24. 

  24. #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3)
    25. 

  25. 		orr	\rx, \rx, #0x00000800	@ UART 2 & 3
    26. 

  26. #endif
    27. 

  27. 

  28. #elif  CONFIG_ARCH_OMAP2
    29. 

  29. 		moveq	\rx, #0x48000000	@ physical base address
    30. 

  30. 		movne	\rx, #0xd8000000	@ virtual base
    31. 

  31. 		orr	\rx, \rx, #0x0006a000
    32. 

  32. #ifdef CONFIG_OMAP_LL_DEBUG_UART2
    33. 

  33. 		add	\rx, \rx, #0x00002000	@ UART 2
    34. 

  34. #endif
    35. 

  35. #ifdef CONFIG_OMAP_LL_DEBUG_UART3
    36. 

  36. 		add	\rx, \rx, #0x00004000	@ UART 3
    37. 

  37. #endif
    38. 

  38. 

  39. #elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
    40. 

  40. 		moveq	\rx, #0x48000000	@ physical base address
    41. 

  41. 		movne	\rx, #0xd8000000	@ virtual base
    42. 

  42. 		orr	\rx, \rx, #0x0006a000
    43. 

  43. #ifdef CONFIG_OMAP_LL_DEBUG_UART2
    44. 

  44. 		add	\rx, \rx, #0x00002000	@ UART 2
    45. 

  45. #endif
    46. 

  46. #ifdef CONFIG_OMAP_LL_DEBUG_UART3
    47. 

  47. 		add	\rx, \rx, #0x00fb0000	@ UART 3
    48. 

  48. 		add	\rx, \rx, #0x00006000
    49. 

  49. #endif
    50. 

  50. #endif
    51. 

  51. 		.endm
    52. 

  52. 

  53. 		.macro	senduart,rd,rx
    54. 

  54. 		strb	\rd, [\rx]
    55. 

  55. 		.endm
    56. 

  56. 

  57. 		.macro	busyuart,rd,rx
    58. 

  58. 1001:		ldrb	\rd, [\rx, #(0x5 << 2)]	@ OMAP-1510 and friends
    59. 

  59. 		and	\rd, \rd, #0x60
    60. 

  60. 		teq	\rd, #0x60
    61. 

  61. 		beq	1002f
    62. 

  62. 		ldrb	\rd, [\rx, #(0x5 << 0)]	@ OMAP-730 only
    63. 

  63. 		and	\rd, \rd, #0x60
    64. 

  64. 		teq	\rd, #0x60
    65. 

  65. 		bne	1001b
    66. 

  66. 1002:
    67. 

  67. 		.endm
    68. 

  68. 

  69. 		.macro	waituart,rd,rx
    70. 

  70. 		.endm
    71.