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_AT91SAM9G20 0x019905a0 25 #define ARCH_ID_AT91SAM9RL64 0x019b03a0 26 #define ARCH_ID_AT91CAP9 0x039A03A0 27 28 #define ARCH_ID_AT91SAM9XE128 0x329973a0 29 #define ARCH_ID_AT91SAM9XE256 0x329a93a0 30 #define ARCH_ID_AT91SAM9XE512 0x329aa3a0 31 32 #define ARCH_ID_AT91M40800 0x14080044 33 #define ARCH_ID_AT91R40807 0x44080746 34 #define ARCH_ID_AT91M40807 0x14080745 35 #define ARCH_ID_AT91R40008 0x44000840 36 at91_cpu_identify(void)37static inline unsigned long at91_cpu_identify(void) 38 { 39 return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); 40 } 41 42 43 #define ARCH_FAMILY_AT91X92 0x09200000 44 #define ARCH_FAMILY_AT91SAM9 0x01900000 45 #define ARCH_FAMILY_AT91SAM9XE 0x02900000 46 at91_arch_identify(void)47static inline unsigned long at91_arch_identify(void) 48 { 49 return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); 50 } 51 52 #ifdef CONFIG_ARCH_AT91CAP9 53 #include <mach/at91_pmc.h> 54 55 #define ARCH_REVISION_CAP9_B 0x399 56 #define ARCH_REVISION_CAP9_C 0x601 57 at91cap9_rev_identify(void)58static inline unsigned long at91cap9_rev_identify(void) 59 { 60 return (at91_sys_read(AT91_PMC_VER)); 61 } 62 #endif 63 64 #ifdef CONFIG_ARCH_AT91RM9200 65 #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) 66 #else 67 #define cpu_is_at91rm9200() (0) 68 #endif 69 70 #ifdef CONFIG_ARCH_AT91SAM9260 71 #define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) 72 #define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) 73 #else 74 #define cpu_is_at91sam9xe() (0) 75 #define cpu_is_at91sam9260() (0) 76 #endif 77 78 #ifdef CONFIG_ARCH_AT91SAM9G20 79 #define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) 80 #else 81 #define cpu_is_at91sam9g20() (0) 82 #endif 83 84 #ifdef CONFIG_ARCH_AT91SAM9261 85 #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) 86 #else 87 #define cpu_is_at91sam9261() (0) 88 #endif 89 90 #ifdef CONFIG_ARCH_AT91SAM9263 91 #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) 92 #else 93 #define cpu_is_at91sam9263() (0) 94 #endif 95 96 #ifdef CONFIG_ARCH_AT91SAM9RL 97 #define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) 98 #else 99 #define cpu_is_at91sam9rl() (0) 100 #endif 101 102 #ifdef CONFIG_ARCH_AT91CAP9 103 #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) 104 #define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) 105 #define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) 106 #else 107 #define cpu_is_at91cap9() (0) 108 #define cpu_is_at91cap9_revB() (0) 109 #define cpu_is_at91cap9_revC() (0) 110 #endif 111 112 /* 113 * Since this is ARM, we will never run on any AVR32 CPU. But these 114 * definitions may reduce clutter in common drivers. 115 */ 116 #define cpu_is_at32ap7000() (0) 117 118 #endif 119