arch/arm/mach-ixp23xx/include/mach/debug-macro.S

   1 /*
   2  * arch/arm/mach-ixp23xx/include/mach/debug-macro.S
   3  *
   4  * Debugging macro include header
   5  *
   6  * Copyright (C) 1994-1999 Russell King
   7  * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13 #include <mach/ixp23xx.h>
  14
  15                 .macro  addruart, rx, tmp
  16                 mrc     p15, 0, \rx, c1, c0
  17                 tst     \rx, #1                         @ mmu enabled?
  18                 ldreq   \rx, =IXP23XX_PERIPHERAL_PHYS   @ physical
  19                 ldrne   \rx, =IXP23XX_PERIPHERAL_VIRT   @ virtual
  20 #ifdef __ARMEB__
  21                 orr     \rx, \rx, #0x00000003
  22 #endif
  23                 .endm
  24
  25 #define UART_SHIFT      2
  26 #include <asm/hardware/debug-8250.S>