include/asm-arm/arch-rpc/debug-macro.S

   1 /* linux/include/asm-arm/arch-rpc/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
  14                 .macro  addruart,rx
  15                 mov     \rx, #0xe0000000
  16                 orr     \rx, \rx, #0x00010000
  17                 orr     \rx, \rx, #0x00000fe0
  18                 .endm
  19
  20                 .macro  senduart,rd,rx
  21                 strb    \rd, [\rx]
  22                 .endm
  23
  24                 .macro  busyuart,rd,rx
  25 1001:           ldrb    \rd, [\rx, #0x14]
  26                 and     \rd, \rd, #0x60
  27                 teq     \rd, #0x60
  28                 bne     1001b
  29                 .endm
  30
  31                 .macro  waituart,rd,rx
  32 1001:           ldrb    \rd, [\rx, #0x18]
  33                 tst     \rd, #0x10
  34                 beq     1001b
  35                 .endm