arch/arm/mach-aaec2000/include/mach/debug-macro.S

   1 /*  arch/arm/mach-aaec2000/include/mach/debug-macro.S
   2  *
   3  *  Debugging macro include header
   4  *
   5  *  Copyright (c) 2005 Nicolas Bellido Y Ortega
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  */
  11
  12 #include "hardware.h"
  13                 .macro  addruart, rp, rv
  14                 mov     \rp, 0x00000800
  15                 orr     \rv, \rp, #io_p2v(0x80000000)   @ virtual
  16                 orr     \rp, \rp, #0x80000000           @ physical
  17                 .endm
  18
  19                 .macro  senduart,rd,rx
  20                 str     \rd, [\rx, #0]
  21                 .endm
  22
  23                 .macro  busyuart,rd,rx
  24 1002:           ldr     \rd, [\rx, #0x10]
  25                 tst     \rd, #(1 << 7)
  26                 beq     1002b
  27                 .endm
  28
  29                 .macro  waituart,rd,rx
  30 #if 0
  31 1001:           ldr     \rd, [\rx, #0x10]
  32                 tst     \rd, #(1 << 5)
  33                 beq     1001b
  34 #endif
  35                 .endm