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Rabin Vincentabf12d72010-12-08 11:07:59 +05301/*
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
Linus Walleija4d9b332012-08-09 16:34:41 +020044static inline bool __attribute_const__ cpu_is_u8520(void)
45{
46 return dbx500_partnumber() == 0x8520;
47}
48
Linus Walleije1bbb552012-08-09 17:10:36 +020049static inline bool cpu_is_u8500_family(void)
50{
51 return cpu_is_u8500() || cpu_is_u8520();
52}
53
Linus Walleijbc71c092012-01-23 11:54:44 +010054static inline bool __attribute_const__ cpu_is_u9540(void)
55{
56 return dbx500_partnumber() == 0x9540;
57}
58
Linus Walleije1bbb552012-08-09 17:10:36 +020059static inline bool __attribute_const__ cpu_is_u8540(void)
Linus Walleijbc71c092012-01-23 11:54:44 +010060{
Linus Walleije1bbb552012-08-09 17:10:36 +020061 return dbx500_partnumber() == 0x8540;
62}
63
Maxime Coquelinb5bbd412012-10-18 14:55:41 +020064static inline bool __attribute_const__ cpu_is_u8580(void)
65{
66 return dbx500_partnumber() == 0x8580;
67}
68
Linus Walleije1bbb552012-08-09 17:10:36 +020069static inline bool cpu_is_ux540_family(void)
70{
Maxime Coquelinb5bbd412012-10-18 14:55:41 +020071 return cpu_is_u9540() || cpu_is_u8540() || cpu_is_u8580();
Linus Walleijbc71c092012-01-23 11:54:44 +010072}
73
Linus Walleijd5608bb2011-12-15 11:41:09 +010074/*
Rabin Vincentabf12d72010-12-08 11:07:59 +053075 * 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
Linus Walleij5d99eae2011-03-29 22:05:06 +0200103static 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
Linus Walleij1d3266e2012-08-09 17:46:27 +0200113static inline bool cpu_is_u8500v22(void)
114{
115 return cpu_is_u8500() && (dbx500_revision() == 0xB2);
116}
117
Linus Walleij5d99eae2011-03-29 22:05:06 +0200118static inline bool cpu_is_u8500v20_or_later(void)
119{
Linus Walleije1bbb552012-08-09 17:10:36 +0200120 return (cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11());
Linus Walleij5d99eae2011-03-29 22:05:06 +0200121}
122
Maxime Coquelinb5bbd412012-10-18 14:55:41 +0200123/*
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
Linus Walleij5d99eae2011-03-29 22:05:06 +0200137static inline bool ux500_is_svp(void)
138{
139 return false;
140}
141
Rabin Vincentabf12d72010-12-08 11:07:59 +0530142#define ux500_unknown_soc() BUG()
143
144#endif