2 * arch/arm/mach-at91/include/mach/cpu.h
4 * Copyright (C) 2006 SAN People
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.
13 #ifndef __ASM_ARCH_CPU_H
14 #define __ASM_ARCH_CPU_H
16 #include <mach/hardware.h>
17 #include <mach/at91_dbgu.h>
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 0x019903a0
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_AT91SAM9X5 0x819a05a0
31 #define ARCH_ID_AT91CAP9 0x039A03A0
33 #define ARCH_ID_AT91SAM9XE128 0x329973a0
34 #define ARCH_ID_AT91SAM9XE256 0x329a93a0
35 #define ARCH_ID_AT91SAM9XE512 0x329aa3a0
37 #define ARCH_ID_AT91M40800 0x14080044
38 #define ARCH_ID_AT91R40807 0x44080746
39 #define ARCH_ID_AT91M40807 0x14080745
40 #define ARCH_ID_AT91R40008 0x44000840
42 static inline unsigned long at91_cpu_identify(void)
44 return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
47 static inline unsigned long at91_cpu_fully_identify(void)
49 return at91_sys_read(AT91_DBGU_CIDR);
52 #define ARCH_EXID_AT91SAM9M11 0x00000001
53 #define ARCH_EXID_AT91SAM9M10 0x00000002
54 #define ARCH_EXID_AT91SAM9G46 0x00000003
55 #define ARCH_EXID_AT91SAM9G45 0x00000004
57 #define ARCH_EXID_AT91SAM9G15 0x00000000
58 #define ARCH_EXID_AT91SAM9G35 0x00000001
59 #define ARCH_EXID_AT91SAM9X35 0x00000002
60 #define ARCH_EXID_AT91SAM9G25 0x00000003
61 #define ARCH_EXID_AT91SAM9X25 0x00000004
63 static inline unsigned long at91_exid_identify(void)
65 return at91_sys_read(AT91_DBGU_EXID);
69 #define ARCH_FAMILY_AT91X92 0x09200000
70 #define ARCH_FAMILY_AT91SAM9 0x01900000
71 #define ARCH_FAMILY_AT91SAM9XE 0x02900000
73 static inline unsigned long at91_arch_identify(void)
75 return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
78 #ifdef CONFIG_ARCH_AT91CAP9
79 #include <mach/at91_pmc.h>
81 #define ARCH_REVISION_CAP9_B 0x399
82 #define ARCH_REVISION_CAP9_C 0x601
84 static inline unsigned long at91cap9_rev_identify(void)
86 return (at91_sys_read(AT91_PMC_VER));
90 #ifdef CONFIG_ARCH_AT91RM9200
91 extern int rm9200_type;
92 #define ARCH_REVISON_9200_BGA (0 << 0)
93 #define ARCH_REVISON_9200_PQFP (1 << 0)
94 #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
95 #define cpu_is_at91rm9200_bga() (!cpu_is_at91rm9200_pqfp())
96 #define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP)
98 #define cpu_is_at91rm9200() (0)
99 #define cpu_is_at91rm9200_bga() (0)
100 #define cpu_is_at91rm9200_pqfp() (0)
103 #ifdef CONFIG_ARCH_AT91SAM9260
104 #define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
105 #define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
107 #define cpu_is_at91sam9xe() (0)
108 #define cpu_is_at91sam9260() (0)
111 #ifdef CONFIG_ARCH_AT91SAM9G20
112 #define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20)
114 #define cpu_is_at91sam9g20() (0)
117 #ifdef CONFIG_ARCH_AT91SAM9261
118 #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261)
120 #define cpu_is_at91sam9261() (0)
123 #ifdef CONFIG_ARCH_AT91SAM9G10
124 #define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10)
126 #define cpu_is_at91sam9g10() (0)
129 #ifdef CONFIG_ARCH_AT91SAM9263
130 #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263)
132 #define cpu_is_at91sam9263() (0)
135 #ifdef CONFIG_ARCH_AT91SAM9RL
136 #define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
138 #define cpu_is_at91sam9rl() (0)
141 #ifdef CONFIG_ARCH_AT91SAM9G45
142 #define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
143 #define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
144 #define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \
145 (at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
146 #define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \
147 (at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
148 #define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \
149 (at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
151 #define cpu_is_at91sam9g45() (0)
152 #define cpu_is_at91sam9g45es() (0)
153 #define cpu_is_at91sam9m10() (0)
154 #define cpu_is_at91sam9g46() (0)
155 #define cpu_is_at91sam9m11() (0)
158 #ifdef CONFIG_ARCH_AT91SAM9X5
159 #define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5)
160 #define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \
161 (at91_exid_identify() == ARCH_EXID_AT91SAM9G15))
162 #define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \
163 (at91_exid_identify() == ARCH_EXID_AT91SAM9G35))
164 #define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \
165 (at91_exid_identify() == ARCH_EXID_AT91SAM9X35))
166 #define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \
167 (at91_exid_identify() == ARCH_EXID_AT91SAM9G25))
168 #define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \
169 (at91_exid_identify() == ARCH_EXID_AT91SAM9X25))
171 #define cpu_is_at91sam9x5() (0)
172 #define cpu_is_at91sam9g15() (0)
173 #define cpu_is_at91sam9g35() (0)
174 #define cpu_is_at91sam9x35() (0)
175 #define cpu_is_at91sam9g25() (0)
176 #define cpu_is_at91sam9x25() (0)
179 #ifdef CONFIG_ARCH_AT91CAP9
180 #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9)
181 #define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
182 #define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
184 #define cpu_is_at91cap9() (0)
185 #define cpu_is_at91cap9_revB() (0)
186 #define cpu_is_at91cap9_revC() (0)
190 * Since this is ARM, we will never run on any AVR32 CPU. But these
191 * definitions may reduce clutter in common drivers.
193 #define cpu_is_at32ap7000() (0)