LXR linux/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 */
  18struct id_to_str {
  19        int id;
  20        const char *str;
  21};
  22
  23extern int root_mountflags, end_mem;
  24
  25void setup_processor(void);
  26void __init setup_arch_memory(void);
  27long __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
  37extern void arc_mmu_init(void);
  38extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len);
  39extern void read_decode_mmu_bcr(void);
  40
  41extern void arc_cache_init(void);
  42extern char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len);
  43extern void read_decode_cache_bcr(void);
  44
  45#endif /* __ASMARC_SETUP_H */
  46