debug-macro.S 1.2 KB

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  1. /* arch/arm/mach-footbridge/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. #include <asm/hardware/dec21285.h>
  14. #ifndef CONFIG_DEBUG_DC21285_PORT
  15. /* For NetWinder debugging */
  16. .macro addruart, rp, rv
  17. mov \rp, #0x000003f8
  18. orr \rv, \rp, #0xff000000 @ virtual
  19. orr \rp, \rp, #0x7c000000 @ physical
  20. .endm
  21. #define UART_SHIFT 0
  22. #define FLOW_CONTROL
  23. #include <asm/hardware/debug-8250.S>
  24. #else
  25. #include <mach/hardware.h>
  26. /* For EBSA285 debugging */
  27. .equ dc21285_high, ARMCSR_BASE & 0xff000000
  28. .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
  29. .macro addruart, rp, rv
  30. .if dc21285_low
  31. mov \rp, #dc21285_low
  32. .else
  33. mov \rp, #0
  34. .endif
  35. orr \rv, \rp, #dc21285_high
  36. orr \rp, \rp, #0x42000000
  37. .endm
  38. .macro senduart,rd,rx
  39. str \rd, [\rx, #0x160] @ UARTDR
  40. .endm
  41. .macro busyuart,rd,rx
  42. 1001: ldr \rd, [\rx, #0x178] @ UARTFLG
  43. tst \rd, #1 << 3
  44. bne 1001b
  45. .endm
  46. .macro waituart,rd,rx
  47. .endm
  48. #endif