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Text File  |  2008-12-24  |  1.1 KB  |  50 lines
  1. /* arch/arm/mach-imx/include/mach/debug-macro.S
  2.  *
  3.  * Debugging macro include header
  4.  *
  5.  *  Copyright (C) 1994-1999 Russell King
  6.  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
  7.  *
  8.  * This program is free software; you can redistribute it and/or modify
  9.  * it under the terms of the GNU General Public License version 2 as
  10.  * published by the Free Software Foundation.
  11.  *
  12.  */
  13.  
  14. #include <mach/hardware.h>
  15.  
  16. #ifdef CONFIG_MACH_MX31ADS
  17. #include <mach/board-mx31ads.h>
  18. #endif
  19. #ifdef CONFIG_MACH_PCM037
  20. #include <mach/board-pcm037.h>
  21. #endif
  22. #ifdef CONFIG_MACH_MX31LITE
  23. #include <mach/board-mx31lite.h>
  24. #endif
  25. #ifdef CONFIG_MACH_MX27ADS
  26. #include <mach/board-mx27ads.h>
  27. #endif
  28. #ifdef CONFIG_MACH_PCM038
  29. #include <mach/board-pcm038.h>
  30. #endif
  31.         .macro    addruart,rx
  32.         mrc    p15, 0, \rx, c1, c0
  33.         tst    \rx, #1            @ MMU enabled?
  34.         ldreq    \rx, =MXC_LL_UART_PADDR    @ physical
  35.         ldrne    \rx, =MXC_LL_UART_VADDR    @ virtual
  36.         .endm
  37.  
  38.         .macro    senduart,rd,rx
  39.         str    \rd, [\rx, #0x40]    @ TXDATA
  40.         .endm
  41.  
  42.         .macro    waituart,rd,rx
  43.         .endm
  44.  
  45.         .macro    busyuart,rd,rx
  46. 1002:        ldr    \rd, [\rx, #0x98]    @ SR2
  47.         tst    \rd, #1 << 3        @ TXDC
  48.         beq    1002b            @ wait until transmit done
  49.         .endm
  50.