arch/arm/mach-s3c64xx/include/mach/debug-macro.S

   1 /* arch/arm/mach-s3c6400/include/mach/debug-macro.S
   2  *
   3  * Copyright 2008 Openmoko, Inc.
   4  * Copyright 2008 Simtec Electronics
   5  *      http://armlinux.simtec.co.uk/
   6  *      Ben Dooks <ben@simtec.co.uk>
   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 /* pull in the relevant register and map files. */
  14
  15 #include <mach/map.h>
  16 #include <plat/regs-serial.h>
  17
  18         /* note, for the boot process to work we have to keep the UART
  19          * virtual address aligned to an 1MiB boundary for the L1
  20          * mapping the head code makes. We keep the UART virtual address
  21          * aligned and add in the offset when we load the value here.
  22          */
  23
  24         .macro addruart, rx
  25                 mrc     p15, 0, \rx, c1, c0
  26                 tst     \rx, #1
  27                 ldreq   \rx, = S3C_PA_UART
  28                 ldrne   \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
  29 #if CONFIG_DEBUG_S3C_UART != 0
  30                 add     \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
  31 #endif
  32         .endm
  33
  34 /* include the reset of the code which will do the work, we're only
  35  * compiling for a single cpu processor type so the default of s3c2440
  36  * will be fine with us.
  37  */
  38
  39 #include <plat/debug-macro.S>