arch/arc/include/asm/setup.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   4  */
   5 #ifndef __ASM_ARC_SETUP_H
   6 #define __ASM_ARC_SETUP_H
   7
   8
   9 #include <linux/types.h>
  10 #include <uapi/asm/setup.h>
  11
  12 #define COMMAND_LINE_SIZE 256
  13
  14 /*
  15  * Data structure to map a ID to string
  16  * Used a lot for bootup reporting of hardware diversity
  17  */
  18 struct id_to_str {
  19         int id;
  20         const char *str;
  21 };
  22
  23 extern int root_mountflags, end_mem;
  24
  25 void setup_processor(void);
  26 void __init setup_arch_memory(void);
  27 long __init arc_get_mem_sz(void);
  28
  29 /* Helpers used in arc_*_mumbojumbo routines */
  30 #define IS_AVAIL1(v, s)         ((v) ? s : "")
  31 #define IS_DISABLED_RUN(v)      ((v) ? "" : "(disabled) ")
  32 #define IS_USED_RUN(v)          ((v) ? "" : "(not used) ")
  33 #define IS_USED_CFG(cfg)        IS_USED_RUN(IS_ENABLED(cfg))
  34 #define IS_AVAIL2(v, s, cfg)    IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg))
  35 #define IS_AVAIL3(v, v2, s)     IS_AVAIL1(v, s), IS_AVAIL1(v, IS_DISABLED_RUN(v2))
  36
  37 extern void arc_mmu_init(void);
  38 extern int arc_mmu_mumbojumbo(int cpu_id, char *buf, int len);
  39
  40 extern void arc_cache_init(void);
  41 extern int arc_cache_mumbojumbo(int cpu_id, char *buf, int len);
  42
  43 extern void __init handle_uboot_args(void);
  44
  45 #endif /* __ASMARC_SETUP_H */