arch/arm/include/debug/exynos.S

   1 /*
   2  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
   3  *              http://www.samsung.com
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8 */
   9
  10 /* pull in the relevant register and map files. */
  11
  12 #define S3C_ADDR_BASE   0xF6000000
  13 #define S3C_VA_UART     S3C_ADDR_BASE + 0x01000000
  14 #define EXYNOS4_PA_UART 0x13800000
  15 #define EXYNOS5_PA_UART 0x12C00000
  16
  17         /* note, for the boot process to work we have to keep the UART
  18          * virtual address aligned to an 1MiB boundary for the L1
  19          * mapping the head code makes. We keep the UART virtual address
  20          * aligned and add in the offset when we load the value here.
  21          */
  22
  23         .macro addruart, rp, rv, tmp
  24                 mrc     p15, 0, \tmp, c0, c0, 0
  25                 and     \tmp, \tmp, #0xf0
  26                 teq     \tmp, #0xf0             @@ A15
  27                 ldreq   \rp, =EXYNOS5_PA_UART
  28                 movne   \rp, #EXYNOS4_PA_UART   @@ EXYNOS4
  29                 ldr     \rv, =S3C_VA_UART
  30 #if CONFIG_DEBUG_S3C_UART != 0
  31                 add     \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
  32                 add     \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)
  33 #endif
  34         .endm
  35
  36 #define fifo_full fifo_full_s5pv210
  37 #define fifo_level fifo_level_s5pv210
  38
  39 #include <debug/samsung.S>