aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-ux500/include/mach/id.h
blob: f1288d10b6ab7eb537040e950d65a16828747b4b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/*
 * Copyright (C) ST-Ericsson SA 2010
 *
 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
 * License terms: GNU General Public License (GPL) version 2
 */

#ifndef __MACH_UX500_ID
#define __MACH_UX500_ID

/**
 * struct dbx500_asic_id - fields of the ASIC ID
 * @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
 * @partnumber: hithereto 0x8500 for DB8500
 * @revision: version code in the series
 */
struct dbx500_asic_id {
	u16	partnumber;
	u8	revision;
	u8	process;
};

extern struct dbx500_asic_id dbx500_id;

static inline unsigned int __attribute_const__ dbx500_partnumber(void)
{
	return dbx500_id.partnumber;
}

static inline unsigned int __attribute_const__ dbx500_revision(void)
{
	return dbx500_id.revision;
}

/*
 * SOCs
 */

static inline bool __attribute_const__ cpu_is_u8500(void)
{
	return dbx500_partnumber() == 0x8500;
}

static inline bool __attribute_const__ cpu_is_u5500(void)
{
	return dbx500_partnumber() == 0x5500;
}

/*
 * 8500 revisions
 */

static inline bool __attribute_const__ cpu_is_u8500ed(void)
{
	return cpu_is_u8500() && dbx500_revision() == 0x00;
}

static inline bool __attribute_const__ cpu_is_u8500v1(void)
{
	return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
}

static inline bool __attribute_const__ cpu_is_u8500v10(void)
{
	return cpu_is_u8500() && dbx500_revision() == 0xA0;
}

static inline bool __attribute_const__ cpu_is_u8500v11(void)
{
	return cpu_is_u8500() && dbx500_revision() == 0xA1;
}

static inline bool __attribute_const__ cpu_is_u8500v2(void)
{
	return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
}

#define ux500_unknown_soc()	BUG()

#endif