debug-macro.S 1014 B

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  1. /* arch/arm/mach-l7200/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. .equ io_virt, IO_BASE
  14. .equ io_phys, IO_START
  15. .macro addruart,rx
  16. mrc p15, 0, \rx, c1, c0
  17. tst \rx, #1 @ MMU enabled?
  18. moveq \rx, #io_phys @ physical base address
  19. movne \rx, #io_virt @ virtual address
  20. add \rx, \rx, #0x00044000 @ UART1
  21. @ add \rx, \rx, #0x00045000 @ UART2
  22. .endm
  23. .macro senduart,rd,rx
  24. str \rd, [\rx, #0x0] @ UARTDR
  25. .endm
  26. .macro waituart,rd,rx
  27. 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
  28. tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
  29. bne 1001b
  30. .endm
  31. .macro busyuart,rd,rx
  32. 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
  33. tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
  34. bne 1001b
  35. .endm