at91: at91sam9g45 family: identify several chip versions
[linux-2.6.git] / arch / arm / mach-at91 / include / mach / cpu.h
1 /*
2  * arch/arm/mach-at91/include/mach/cpu.h
3  *
4  *  Copyright (C) 2006 SAN People
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  */
12
13 #ifndef __ASM_ARCH_CPU_H
14 #define __ASM_ARCH_CPU_H
15
16 #include <mach/hardware.h>
17 #include <mach/at91_dbgu.h>
18
19
20 #define ARCH_ID_AT91RM9200      0x09290780
21 #define ARCH_ID_AT91SAM9260     0x019803a0
22 #define ARCH_ID_AT91SAM9261     0x019703a0
23 #define ARCH_ID_AT91SAM9263     0x019607a0
24 #define ARCH_ID_AT91SAM9G10     0x819903a0
25 #define ARCH_ID_AT91SAM9G20     0x019905a0
26 #define ARCH_ID_AT91SAM9RL64    0x019b03a0
27 #define ARCH_ID_AT91SAM9G45     0x819b05a0
28 #define ARCH_ID_AT91SAM9G45MRL  0x819b05a2      /* aka 9G45-ES2 & non ES lots */
29 #define ARCH_ID_AT91SAM9G45ES   0x819b05a1      /* 9G45-ES (Engineering Sample) */
30 #define ARCH_ID_AT91CAP9        0x039A03A0
31
32 #define ARCH_ID_AT91SAM9XE128   0x329973a0
33 #define ARCH_ID_AT91SAM9XE256   0x329a93a0
34 #define ARCH_ID_AT91SAM9XE512   0x329aa3a0
35
36 #define ARCH_ID_AT91M40800      0x14080044
37 #define ARCH_ID_AT91R40807      0x44080746
38 #define ARCH_ID_AT91M40807      0x14080745
39 #define ARCH_ID_AT91R40008      0x44000840
40
41 static inline unsigned long at91_cpu_identify(void)
42 {
43         return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
44 }
45
46 static inline unsigned long at91_cpu_fully_identify(void)
47 {
48         return at91_sys_read(AT91_DBGU_CIDR);
49 }
50
51 #define ARCH_EXID_AT91SAM9M11   0x00000001
52 #define ARCH_EXID_AT91SAM9M10   0x00000002
53 #define ARCH_EXID_AT91SAM9G45   0x00000004
54
55 static inline unsigned long at91_exid_identify(void)
56 {
57         return at91_sys_read(AT91_DBGU_EXID);
58 }
59
60
61 #define ARCH_FAMILY_AT91X92     0x09200000
62 #define ARCH_FAMILY_AT91SAM9    0x01900000
63 #define ARCH_FAMILY_AT91SAM9XE  0x02900000
64
65 static inline unsigned long at91_arch_identify(void)
66 {
67         return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
68 }
69
70 #ifdef CONFIG_ARCH_AT91CAP9
71 #include <mach/at91_pmc.h>
72
73 #define ARCH_REVISION_CAP9_B    0x399
74 #define ARCH_REVISION_CAP9_C    0x601
75
76 static inline unsigned long at91cap9_rev_identify(void)
77 {
78         return (at91_sys_read(AT91_PMC_VER));
79 }
80 #endif
81
82 #ifdef CONFIG_ARCH_AT91RM9200
83 #define cpu_is_at91rm9200()     (at91_cpu_identify() == ARCH_ID_AT91RM9200)
84 #else
85 #define cpu_is_at91rm9200()     (0)
86 #endif
87
88 #ifdef CONFIG_ARCH_AT91SAM9260
89 #define cpu_is_at91sam9xe()     (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
90 #define cpu_is_at91sam9260()    ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
91 #else
92 #define cpu_is_at91sam9xe()     (0)
93 #define cpu_is_at91sam9260()    (0)
94 #endif
95
96 #ifdef CONFIG_ARCH_AT91SAM9G20
97 #define cpu_is_at91sam9g20()    (at91_cpu_identify() == ARCH_ID_AT91SAM9G20)
98 #else
99 #define cpu_is_at91sam9g20()    (0)
100 #endif
101
102 #ifdef CONFIG_ARCH_AT91SAM9261
103 #define cpu_is_at91sam9261()    (at91_cpu_identify() == ARCH_ID_AT91SAM9261)
104 #else
105 #define cpu_is_at91sam9261()    (0)
106 #endif
107
108 #ifdef CONFIG_ARCH_AT91SAM9G10
109 #define cpu_is_at91sam9g10()    (at91_cpu_identify() == ARCH_ID_AT91SAM9G10)
110 #else
111 #define cpu_is_at91sam9g10()    (0)
112 #endif
113
114 #ifdef CONFIG_ARCH_AT91SAM9263
115 #define cpu_is_at91sam9263()    (at91_cpu_identify() == ARCH_ID_AT91SAM9263)
116 #else
117 #define cpu_is_at91sam9263()    (0)
118 #endif
119
120 #ifdef CONFIG_ARCH_AT91SAM9RL
121 #define cpu_is_at91sam9rl()     (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
122 #else
123 #define cpu_is_at91sam9rl()     (0)
124 #endif
125
126 #ifdef CONFIG_ARCH_AT91SAM9G45
127 #define cpu_is_at91sam9g45()    (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
128 #define cpu_is_at91sam9g45es()  (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
129 #else
130 #define cpu_is_at91sam9g45()    (0)
131 #define cpu_is_at91sam9g45es()  (0)
132 #endif
133
134 #ifdef CONFIG_ARCH_AT91CAP9
135 #define cpu_is_at91cap9()       (at91_cpu_identify() == ARCH_ID_AT91CAP9)
136 #define cpu_is_at91cap9_revB()  (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
137 #define cpu_is_at91cap9_revC()  (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
138 #else
139 #define cpu_is_at91cap9()       (0)
140 #define cpu_is_at91cap9_revB()  (0)
141 #define cpu_is_at91cap9_revC()  (0)
142 #endif
143
144 /*
145  * Since this is ARM, we will never run on any AVR32 CPU. But these
146  * definitions may reduce clutter in common drivers.
147  */
148 #define cpu_is_at32ap7000()     (0)
149
150 #endif