1/*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5 * License terms: GNU General Public License (GPL) version 2
6 */
7
8#ifndef __MACH_UX500_ID
9#define __MACH_UX500_ID
10
11/**
12 * struct dbx500_asic_id - fields of the ASIC ID
13 * @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
14 * @partnumber: hithereto 0x8500 for DB8500
15 * @revision: version code in the series
16 */
17struct dbx500_asic_id {
18	u16	partnumber;
19	u8	revision;
20	u8	process;
21};
22
23extern struct dbx500_asic_id dbx500_id;
24
25static inline unsigned int __attribute_const__ dbx500_partnumber(void)
26{
27	return dbx500_id.partnumber;
28}
29
30static inline unsigned int __attribute_const__ dbx500_revision(void)
31{
32	return dbx500_id.revision;
33}
34
35/*
36 * SOCs
37 */
38
39static inline bool __attribute_const__ cpu_is_u8500(void)
40{
41	return dbx500_partnumber() == 0x8500;
42}
43
44static inline bool __attribute_const__ cpu_is_u8520(void)
45{
46	return dbx500_partnumber() == 0x8520;
47}
48
49static inline bool cpu_is_u8500_family(void)
50{
51	return cpu_is_u8500() || cpu_is_u8520();
52}
53
54static inline bool __attribute_const__ cpu_is_u9540(void)
55{
56	return dbx500_partnumber() == 0x9540;
57}
58
59static inline bool __attribute_const__ cpu_is_u8540(void)
60{
61	return dbx500_partnumber() == 0x8540;
62}
63
64static inline bool __attribute_const__ cpu_is_u8580(void)
65{
66	return dbx500_partnumber() == 0x8580;
67}
68
69static inline bool cpu_is_ux540_family(void)
70{
71	return cpu_is_u9540() || cpu_is_u8540() || cpu_is_u8580();
72}
73
74/*
75 * 8500 revisions
76 */
77
78static inline bool __attribute_const__ cpu_is_u8500ed(void)
79{
80	return cpu_is_u8500() && dbx500_revision() == 0x00;
81}
82
83static inline bool __attribute_const__ cpu_is_u8500v1(void)
84{
85	return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
86}
87
88static inline bool __attribute_const__ cpu_is_u8500v10(void)
89{
90	return cpu_is_u8500() && dbx500_revision() == 0xA0;
91}
92
93static inline bool __attribute_const__ cpu_is_u8500v11(void)
94{
95	return cpu_is_u8500() && dbx500_revision() == 0xA1;
96}
97
98static inline bool __attribute_const__ cpu_is_u8500v2(void)
99{
100	return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
101}
102
103static inline bool cpu_is_u8500v20(void)
104{
105	return cpu_is_u8500() && (dbx500_revision() == 0xB0);
106}
107
108static inline bool cpu_is_u8500v21(void)
109{
110	return cpu_is_u8500() && (dbx500_revision() == 0xB1);
111}
112
113static inline bool cpu_is_u8500v22(void)
114{
115	return cpu_is_u8500() && (dbx500_revision() == 0xB2);
116}
117
118static inline bool cpu_is_u8500v20_or_later(void)
119{
120	return (cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11());
121}
122
123/*
124 * 8540 revisions
125 */
126
127static inline bool __attribute_const__ cpu_is_u8540v10(void)
128{
129	return cpu_is_u8540() && dbx500_revision() == 0xA0;
130}
131
132static inline bool __attribute_const__ cpu_is_u8580v10(void)
133{
134	return cpu_is_u8580() && dbx500_revision() == 0xA0;
135}
136
137static inline bool ux500_is_svp(void)
138{
139	return false;
140}
141
142#define ux500_unknown_soc()	BUG()
143
144#endif
145