arch/arc/include/asm/serial.h

   1 /*
   2  * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #ifndef _ASM_ARC_SERIAL_H
  10 #define _ASM_ARC_SERIAL_H
  11
  12 /*
  13  * early 8250 (now earlycon) requires BASE_BAUD to be defined in this header.
  14  * However to still determine it dynamically (for multi-platform images)
  15  * we do this in a helper by parsing the FDT early
  16  */
  17
  18 extern unsigned int __init arc_early_base_baud(void);
  19
  20 #define BASE_BAUD       arc_early_base_baud()
  21
  22 #endif /* _ASM_ARC_SERIAL_H */