xref: /linux/arch/arc/include/asm/setup.h (revision 4e95bc268b915c3a19ec8b9110f61e4ea41a1ed0)
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 __ASMARC_SETUP_H
6 #define __ASMARC_SETUP_H
7 
8 
9 #include <linux/types.h>
10 #include <uapi/asm/setup.h>
11 
12 #ifdef CONFIG_ARC_PLAT_EZNPS
13 #define COMMAND_LINE_SIZE 2048
14 #else
15 #define COMMAND_LINE_SIZE 256
16 #endif
17 
18 /*
19  * Data structure to map a ID to string
20  * Used a lot for bootup reporting of hardware diversity
21  */
22 struct id_to_str {
23 	int id;
24 	const char *str;
25 };
26 
27 extern int root_mountflags, end_mem;
28 
29 void setup_processor(void);
30 void __init setup_arch_memory(void);
31 long __init arc_get_mem_sz(void);
32 
33 /* Helpers used in arc_*_mumbojumbo routines */
34 #define IS_AVAIL1(v, s)		((v) ? s : "")
35 #define IS_DISABLED_RUN(v)	((v) ? "" : "(disabled) ")
36 #define IS_USED_RUN(v)		((v) ? "" : "(not used) ")
37 #define IS_USED_CFG(cfg)	IS_USED_RUN(IS_ENABLED(cfg))
38 #define IS_AVAIL2(v, s, cfg)	IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg))
39 #define IS_AVAIL3(v, v2, s)	IS_AVAIL1(v, s), IS_AVAIL1(v, IS_DISABLED_RUN(v2))
40 
41 #endif /* __ASMARC_SETUP_H */
42