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  */
17 struct dbx500_asic_id {
18 	u16	partnumber;
19 	u8	revision;
20 	u8	process;
21 };
22 
23 extern struct dbx500_asic_id dbx500_id;
24 
dbx500_partnumber(void)25 static inline unsigned int __attribute_const__ dbx500_partnumber(void)
26 {
27 	return dbx500_id.partnumber;
28 }
29 
dbx500_revision(void)30 static inline unsigned int __attribute_const__ dbx500_revision(void)
31 {
32 	return dbx500_id.revision;
33 }
34 
35 /*
36  * SOCs
37  */
38 
cpu_is_u8500(void)39 static inline bool __attribute_const__ cpu_is_u8500(void)
40 {
41 	return dbx500_partnumber() == 0x8500;
42 }
43 
cpu_is_u5500(void)44 static inline bool __attribute_const__ cpu_is_u5500(void)
45 {
46 	return dbx500_partnumber() == 0x5500;
47 }
48 
49 /*
50  * 5500 revisions
51  */
52 
cpu_is_u5500v1(void)53 static inline bool __attribute_const__ cpu_is_u5500v1(void)
54 {
55 	return cpu_is_u5500() && (dbx500_revision() & 0xf0) == 0xA0;
56 }
57 
cpu_is_u5500v2(void)58 static inline bool __attribute_const__ cpu_is_u5500v2(void)
59 {
60 	return (dbx500_id.revision & 0xf0) == 0xB0;
61 }
62 
cpu_is_u5500v20(void)63 static inline bool __attribute_const__ cpu_is_u5500v20(void)
64 {
65 	return cpu_is_u5500() && ((dbx500_revision() & 0xf0) == 0xB0);
66 }
67 
cpu_is_u5500v21(void)68 static inline bool __attribute_const__ cpu_is_u5500v21(void)
69 {
70 	return cpu_is_u5500() && (dbx500_revision() == 0xB1);
71 }
72 
73 /*
74  * 8500 revisions
75  */
76 
cpu_is_u8500ed(void)77 static inline bool __attribute_const__ cpu_is_u8500ed(void)
78 {
79 	return cpu_is_u8500() && dbx500_revision() == 0x00;
80 }
81 
cpu_is_u8500v1(void)82 static inline bool __attribute_const__ cpu_is_u8500v1(void)
83 {
84 	return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
85 }
86 
cpu_is_u8500v10(void)87 static inline bool __attribute_const__ cpu_is_u8500v10(void)
88 {
89 	return cpu_is_u8500() && dbx500_revision() == 0xA0;
90 }
91 
cpu_is_u8500v11(void)92 static inline bool __attribute_const__ cpu_is_u8500v11(void)
93 {
94 	return cpu_is_u8500() && dbx500_revision() == 0xA1;
95 }
96 
cpu_is_u8500v2(void)97 static inline bool __attribute_const__ cpu_is_u8500v2(void)
98 {
99 	return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
100 }
101 
cpu_is_u8500v20(void)102 static inline bool cpu_is_u8500v20(void)
103 {
104 	return cpu_is_u8500() && (dbx500_revision() == 0xB0);
105 }
106 
cpu_is_u8500v21(void)107 static inline bool cpu_is_u8500v21(void)
108 {
109 	return cpu_is_u8500() && (dbx500_revision() == 0xB1);
110 }
111 
cpu_is_u8500v20_or_later(void)112 static inline bool cpu_is_u8500v20_or_later(void)
113 {
114 	return cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11();
115 }
116 
ux500_is_svp(void)117 static inline bool ux500_is_svp(void)
118 {
119 	return false;
120 }
121 
122 #define ux500_unknown_soc()	BUG()
123 
124 #endif
125