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 */
46
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