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linux-vybrid_pu...
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arch
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arm
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plat-stmp3xxx
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include
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mach
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debug-macro.S

debug-macro.S 1.0 KB
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  1. /*
    2. 

  2.  * Debugging macro include header
    3. 

  3.  *
    4. 

  4.  * Embedded Alley Solutions, Inc <source@embeddedalley.com>
    5. 

  5.  *
    6. 

  6.  * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
    7. 

  7.  * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
    8. 

  8.  */
    9. 

  9. 

  10. /*
    11. 

  11.  * The code contained herein is licensed under the GNU General Public
    12. 

  12.  * License. You may obtain a copy of the GNU General Public License
    13. 

  13.  * Version 2 or later at the following locations:
    14. 

  14.  *
    15. 

  15.  * http://www.opensource.org/licenses/gpl-license.html
    16. 

  16.  * http://www.gnu.org/copyleft/gpl.html
    17. 

  17.  */
    18. 

  18. 

  19. 		.macro	addruart, rp, rv
    20. 

  20. 		mov	\rp,      #0x00070000
    21. 

  21. 		add	\rv, \rp, #0xf0000000	@ virtual base
    22. 

  22. 		add	\rp, \rp, #0x80000000	@ physical base
    23. 

  23. 		.endm
    24. 

  24. 

  25. 		.macro	senduart,rd,rx
    26. 

  26. 		strb	\rd, [\rx, #0]		@ data register at 0
    27. 

  27. 		.endm
    28. 

  28. 

  29. 		.macro	waituart,rd,rx
    30. 

  30. 1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
    31. 

  31. 		tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full
    32. 

  32. 		bne	1001b
    33. 

  33. 		.endm
    34. 

  34. 

  35. 		.macro	busyuart,rd,rx
    36. 

  36. 1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
    37. 

  37. 		tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy
    38. 

  38. 		bne	1001b
    39. 

  39. 		.endm
    40.