debug-macro.S 1.0 KB

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  1. /* linux/include/asm-arm/arch-clps711x/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/clps7111.h>
  14. .macro addruart,rx
  15. mrc p15, 0, \rx, c1, c0
  16. tst \rx, #1 @ MMU enabled?
  17. moveq \rx, #CLPS7111_PHYS_BASE
  18. movne \rx, #CLPS7111_VIRT_BASE
  19. #ifndef CONFIG_DEBUG_CLPS711X_UART2
  20. add \rx, \rx, #0x0000 @ UART1
  21. #else
  22. add \rx, \rx, #0x1000 @ UART2
  23. #endif
  24. .endm
  25. .macro senduart,rd,rx
  26. str \rd, [\rx, #0x0480] @ UARTDR
  27. .endm
  28. .macro waituart,rd,rx
  29. 1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx
  30. tst \rd, #1 << 11 @ UBUSYx
  31. bne 1001b
  32. .endm
  33. .macro busyuart,rd,rx
  34. tst \rx, #0x1000 @ UART2 does not have CTS here
  35. bne 1002f
  36. 1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx
  37. tst \rd, #1 << 8 @ CTS
  38. bne 1001b
  39. 1002:
  40. .endm