arch/arm/include/debug/s3c24xx.S

   1 /* arch/arm/mach-s3c2410/include/mach/debug-macro.S
   2  *
   3  * Debugging macro include header
   4  *
   5  *  Copyright (C) 1994-1999 Russell King
   6  *  Copyright (C) 2005 Simtec Electronics
   7  *
   8  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13 */
  14
  15 #include <linux/serial_s3c.h>
  16
  17 #define S3C2410_UART1_OFF (0x4000)
  18
  19         .macro addruart, rp, rv, tmp
  20                 ldr     \rp, = CONFIG_DEBUG_UART_PHYS
  21                 ldr     \rv, = CONFIG_DEBUG_UART_VIRT
  22         .endm
  23
  24         .macro  fifo_full_s3c2410 rd, rx
  25                 ldr     \rd, [\rx, # S3C2410_UFSTAT]
  26                 tst     \rd, #S3C2410_UFSTAT_TXFULL
  27         .endm
  28
  29         .macro fifo_level_s3c2410 rd, rx
  30                 ldr     \rd, [\rx, # S3C2410_UFSTAT]
  31                 and     \rd, \rd, #S3C2410_UFSTAT_TXMASK
  32         .endm
  33
  34 /* Select the correct implementation depending on the configuration. The
  35  * S3C2440 will get selected by default, as these are the most widely
  36  * used variants of these
  37 */
  38
  39 #if defined(CONFIG_DEBUG_S3C2410_UART)
  40 #define fifo_full  fifo_full_s3c2410
  41 #define fifo_level fifo_level_s3c2410
  42 #endif
  43
  44 /* include the reset of the code which will do the work */
  45
  46 #include <debug/samsung.S>