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 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 32 33 #define ARCH_ID_AT91SAM9XE128 0x329973a0 34 #define ARCH_ID_AT91SAM9XE256 0x329a93a0 35 #define ARCH_ID_AT91SAM9XE512 0x329aa3a0 36 37 #define ARCH_ID_AT572D940HF 0x0e0303e0 38 39 #define ARCH_ID_AT91M40800 0x14080044 40 #define ARCH_ID_AT91R40807 0x44080746 41 #define ARCH_ID_AT91M40807 0x14080745 42 #define ARCH_ID_AT91R40008 0x44000840 43 at91_cpu_identify(void)44static inline unsigned long at91_cpu_identify(void) 45 { 46 return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); 47 } 48 at91_cpu_fully_identify(void)49static inline unsigned long at91_cpu_fully_identify(void) 50 { 51 return at91_sys_read(AT91_DBGU_CIDR); 52 } 53 54 #define ARCH_EXID_AT91SAM9M11 0x00000001 55 #define ARCH_EXID_AT91SAM9M10 0x00000002 56 #define ARCH_EXID_AT91SAM9G46 0x00000003 57 #define ARCH_EXID_AT91SAM9G45 0x00000004 58 59 #define ARCH_EXID_AT91SAM9G15 0x00000000 60 #define ARCH_EXID_AT91SAM9G35 0x00000001 61 #define ARCH_EXID_AT91SAM9X35 0x00000002 62 #define ARCH_EXID_AT91SAM9G25 0x00000003 63 #define ARCH_EXID_AT91SAM9X25 0x00000004 64 at91_exid_identify(void)65static inline unsigned long at91_exid_identify(void) 66 { 67 return at91_sys_read(AT91_DBGU_EXID); 68 } 69 70 71 #define ARCH_FAMILY_AT91X92 0x09200000 72 #define ARCH_FAMILY_AT91SAM9 0x01900000 73 #define ARCH_FAMILY_AT91SAM9XE 0x02900000 74 at91_arch_identify(void)75static inline unsigned long at91_arch_identify(void) 76 { 77 return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); 78 } 79 80 #ifdef CONFIG_ARCH_AT91CAP9 81 #include <mach/at91_pmc.h> 82 83 #define ARCH_REVISION_CAP9_B 0x399 84 #define ARCH_REVISION_CAP9_C 0x601 85 at91cap9_rev_identify(void)86static inline unsigned long at91cap9_rev_identify(void) 87 { 88 return (at91_sys_read(AT91_PMC_VER)); 89 } 90 #endif 91 92 #ifdef CONFIG_ARCH_AT91RM9200 93 #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) 94 #else 95 #define cpu_is_at91rm9200() (0) 96 #endif 97 98 #ifdef CONFIG_ARCH_AT91SAM9260 99 #define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) 100 #define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) 101 #else 102 #define cpu_is_at91sam9xe() (0) 103 #define cpu_is_at91sam9260() (0) 104 #endif 105 106 #ifdef CONFIG_ARCH_AT91SAM9G20 107 #define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) 108 #else 109 #define cpu_is_at91sam9g20() (0) 110 #endif 111 112 #ifdef CONFIG_ARCH_AT91SAM9261 113 #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) 114 #else 115 #define cpu_is_at91sam9261() (0) 116 #endif 117 118 #ifdef CONFIG_ARCH_AT91SAM9G10 119 #define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) 120 #else 121 #define cpu_is_at91sam9g10() (0) 122 #endif 123 124 #ifdef CONFIG_ARCH_AT91SAM9263 125 #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) 126 #else 127 #define cpu_is_at91sam9263() (0) 128 #endif 129 130 #ifdef CONFIG_ARCH_AT91SAM9RL 131 #define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) 132 #else 133 #define cpu_is_at91sam9rl() (0) 134 #endif 135 136 #ifdef CONFIG_ARCH_AT91SAM9G45 137 #define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45) 138 #define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES) 139 #define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \ 140 (at91_exid_identify() == ARCH_EXID_AT91SAM9M10)) 141 #define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \ 142 (at91_exid_identify() == ARCH_EXID_AT91SAM9G46)) 143 #define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \ 144 (at91_exid_identify() == ARCH_EXID_AT91SAM9M11)) 145 #else 146 #define cpu_is_at91sam9g45() (0) 147 #define cpu_is_at91sam9g45es() (0) 148 #define cpu_is_at91sam9m10() (0) 149 #define cpu_is_at91sam9g46() (0) 150 #define cpu_is_at91sam9m11() (0) 151 #endif 152 153 #ifdef CONFIG_ARCH_AT91SAM9X5 154 #define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5) 155 #define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \ 156 (at91_exid_identify() == ARCH_EXID_AT91SAM9G15)) 157 #define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \ 158 (at91_exid_identify() == ARCH_EXID_AT91SAM9G35)) 159 #define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \ 160 (at91_exid_identify() == ARCH_EXID_AT91SAM9X35)) 161 #define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \ 162 (at91_exid_identify() == ARCH_EXID_AT91SAM9G25)) 163 #define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \ 164 (at91_exid_identify() == ARCH_EXID_AT91SAM9X25)) 165 #else 166 #define cpu_is_at91sam9x5() (0) 167 #define cpu_is_at91sam9g15() (0) 168 #define cpu_is_at91sam9g35() (0) 169 #define cpu_is_at91sam9x35() (0) 170 #define cpu_is_at91sam9g25() (0) 171 #define cpu_is_at91sam9x25() (0) 172 #endif 173 174 #ifdef CONFIG_ARCH_AT91CAP9 175 #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) 176 #define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) 177 #define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) 178 #else 179 #define cpu_is_at91cap9() (0) 180 #define cpu_is_at91cap9_revB() (0) 181 #define cpu_is_at91cap9_revC() (0) 182 #endif 183 184 #ifdef CONFIG_ARCH_AT572D940HF 185 #define cpu_is_at572d940hf() (at91_cpu_identify() == ARCH_ID_AT572D940HF) 186 #else 187 #define cpu_is_at572d940hf() (0) 188 #endif 189 190 /* 191 * Since this is ARM, we will never run on any AVR32 CPU. But these 192 * definitions may reduce clutter in common drivers. 193 */ 194 #define cpu_is_at32ap7000() (0) 195 196 #endif 197