arch/arc/include/asm/setup.h

   1 /*
   2  * Copyright (C) 2004, 2007-2010, 2011-2012 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 #ifndef __ASMARC_SETUP_H
   9 #define __ASMARC_SETUP_H
  10
  11
  12 #include <linux/types.h>
  13 #include <uapi/asm/setup.h>
  14
  15 #ifdef CONFIG_ARC_PLAT_EZNPS
  16 #define COMMAND_LINE_SIZE 2048
  17 #else
  18 #define COMMAND_LINE_SIZE 256
  19 #endif
  20
  21 /*
  22  * Data structure to map a ID to string
  23  * Used a lot for bootup reporting of hardware diversity
  24  */
  25 struct id_to_str {
  26         int id;
  27         const char *str;
  28 };
  29
  30 extern int root_mountflags, end_mem;
  31
  32 void setup_processor(void);
  33 void __init setup_arch_memory(void);
  34 long __init arc_get_mem_sz(void);
  35
  36 /* Helpers used in arc_*_mumbojumbo routines */
  37 #define IS_AVAIL1(v, s)         ((v) ? s : "")
  38 #define IS_DISABLED_RUN(v)      ((v) ? "" : "(disabled) ")
  39 #define IS_USED_RUN(v)          ((v) ? "" : "(not used) ")
  40 #define IS_USED_CFG(cfg)        IS_USED_RUN(IS_ENABLED(cfg))
  41 #define IS_AVAIL2(v, s, cfg)    IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg))
  42 #define IS_AVAIL3(v, v2, s)     IS_AVAIL1(v, s), IS_AVAIL1(v, IS_DISABLED_RUN(v2))
  43
  44 #endif /* __ASMARC_SETUP_H */