xref: /openbmc/linux/arch/arc/include/asm/setup.h (revision 4f6cce39)
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 */
45