xref: /OK3568_Linux_fs/kernel/arch/arc/include/asm/setup.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun #ifndef __ASMARC_SETUP_H
6*4882a593Smuzhiyun #define __ASMARC_SETUP_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/types.h>
10*4882a593Smuzhiyun #include <uapi/asm/setup.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define COMMAND_LINE_SIZE 256
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * Data structure to map a ID to string
16*4882a593Smuzhiyun  * Used a lot for bootup reporting of hardware diversity
17*4882a593Smuzhiyun  */
18*4882a593Smuzhiyun struct id_to_str {
19*4882a593Smuzhiyun 	int id;
20*4882a593Smuzhiyun 	const char *str;
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun extern int root_mountflags, end_mem;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun void setup_processor(void);
26*4882a593Smuzhiyun void __init setup_arch_memory(void);
27*4882a593Smuzhiyun long __init arc_get_mem_sz(void);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /* Helpers used in arc_*_mumbojumbo routines */
30*4882a593Smuzhiyun #define IS_AVAIL1(v, s)		((v) ? s : "")
31*4882a593Smuzhiyun #define IS_DISABLED_RUN(v)	((v) ? "" : "(disabled) ")
32*4882a593Smuzhiyun #define IS_USED_RUN(v)		((v) ? "" : "(not used) ")
33*4882a593Smuzhiyun #define IS_USED_CFG(cfg)	IS_USED_RUN(IS_ENABLED(cfg))
34*4882a593Smuzhiyun #define IS_AVAIL2(v, s, cfg)	IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg))
35*4882a593Smuzhiyun #define IS_AVAIL3(v, v2, s)	IS_AVAIL1(v, s), IS_AVAIL1(v, IS_DISABLED_RUN(v2))
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #endif /* __ASMARC_SETUP_H */
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