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

   1 /*
   2  * Debugging macro for DaVinci
   3  *
   4  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
   5  *
   6  * 2007 (c) MontaVista Software, Inc. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11
  12                 .macro addruart, rx
  13                 mrc     p15, 0, \rx, c1, c0
  14                 tst     \rx, #1                 @ MMU enabled?
  15                 moveq   \rx, #0x01000000        @ physical base address
  16                 movne   \rx, #0xfe000000        @ virtual base
  17                 orr     \rx, \rx, #0x00c20000   @ UART 0
  18                 .endm
  19
  20 #define UART_SHIFT      2
  21 #include <asm/hardware/debug-8250.S>