arch/arm/mach-ixp4xx/include/mach/debug-macro.S

   1 /* arch/arm/mach-ixp4xx/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                 .macro  addruart, rp, rv, tmp
  14 #ifdef __ARMEB__
  15                 mov     \rp, #3         @ Uart regs are at off set of 3 if
  16                                         @ byte writes used - Big Endian.
  17 #else
  18                 mov     \rp, #0
  19 #endif
  20                 orr     \rv, \rp, #0xfe000000   @ virtual
  21                 orr     \rv, \rv, #0x00f00000
  22                 orr     \rp, \rp, #0xc8000000   @ physical
  23                 .endm
  24
  25 #define UART_SHIFT      2
  26 #include <asm/hardware/debug-8250.S>