arch/arm/include/debug/dc21285.S

   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
  14 #include <asm/hardware/dec21285.h>
  15
  16 #include <mach/hardware.h>
  17         /* For EBSA285 debugging */
  18                 .equ    dc21285_high, ARMCSR_BASE & 0xff000000
  19                 .equ    dc21285_low,  ARMCSR_BASE & 0x00ffffff
  20
  21                 .macro  addruart, rp, rv, tmp
  22                 .if     dc21285_low
  23                 mov     \rp, #dc21285_low
  24                 .else
  25                 mov     \rp, #0
  26                 .endif
  27                 orr     \rv, \rp, #dc21285_high
  28                 orr     \rp, \rp, #0x42000000
  29                 .endm
  30
  31                 .macro  senduart,rd,rx
  32                 str     \rd, [\rx, #0x160]      @ UARTDR
  33                 .endm
  34
  35                 .macro  busyuart,rd,rx
  36 1001:           ldr     \rd, [\rx, #0x178]      @ UARTFLG
  37                 tst     \rd, #1 << 3
  38                 bne     1001b
  39                 .endm
  40
  41                 .macro  waituart,rd,rx
  42                 .endm