include/asm-arm/arch-ebsa110/debug-macro.S

   1 /* linux/include/asm-arm/arch-ebsa110/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, #0xf0000000
  16                 orr     \rx, \rx, #0x00000be0
  17                 .endm
  18
  19                 .macro  senduart,rd,rx
  20                 strb    \rd, [\rx]
  21                 .endm
  22
  23                 .macro  busyuart,rd,rx
  24 1002:           ldrb    \rd, [\rx, #0x14]
  25                 and     \rd, \rd, #0x60
  26                 teq     \rd, #0x60
  27                 bne     1002b
  28                 .endm
  29
  30                 .macro  waituart,rd,rx
  31 1001:           ldrb    \rd, [\rx, #0x18]
  32                 tst     \rd, #0x10
  33                 beq     1001b
  34                 .endm