debug-macro.S 976 B

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  1. /* linux/include/asm-arm/arch-versatile/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. #include <asm/hardware/amba_serial.h>
  14. .macro addruart,rx
  15. mrc p15, 0, \rx, c1, c0
  16. tst \rx, #1 @ MMU enabled?
  17. moveq \rx, #0x10000000
  18. movne \rx, #0xf1000000 @ virtual base
  19. orr \rx, \rx, #0x001F0000
  20. orr \rx, \rx, #0x00001000
  21. .endm
  22. .macro senduart,rd,rx
  23. strb \rd, [\rx, #UART01x_DR]
  24. .endm
  25. .macro waituart,rd,rx
  26. 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
  27. tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
  28. bne 1001b
  29. .endm
  30. .macro busyuart,rd,rx
  31. 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
  32. tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
  33. bne 1001b
  34. .endm