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_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_AT572D940HF 0x0e0303e0 37 38#define ARCH_ID_AT91M40800 0x14080044 39#define ARCH_ID_AT91R40807 0x44080746 40#define ARCH_ID_AT91M40807 0x14080745 41#define ARCH_ID_AT91R40008 0x44000840 42 43static inline unsigned long at91_cpu_identify(void) 44{ 45 return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); 46} 47 48static inline unsigned long at91_cpu_fully_identify(void) 49{ 50 return at91_sys_read(AT91_DBGU_CIDR); 51} 52 53#define ARCH_EXID_AT91SAM9M11 0x00000001 54#define ARCH_EXID_AT91SAM9M10 0x00000002 55#define ARCH_EXID_AT91SAM9G46 0x00000003 56#define ARCH_EXID_AT91SAM9G45 0x00000004 57 58static inline unsigned long at91_exid_identify(void) 59{ 60 return at91_sys_read(AT91_DBGU_EXID); 61} 62 63 64#define ARCH_FAMILY_AT91X92 0x09200000 65#define ARCH_FAMILY_AT91SAM9 0x01900000 66#define ARCH_FAMILY_AT91SAM9XE 0x02900000 67 68static inline unsigned long at91_arch_identify(void) 69{ 70 return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); 71} 72 73#ifdef CONFIG_ARCH_AT91CAP9 74#include <mach/at91_pmc.h> 75 76#define ARCH_REVISION_CAP9_B 0x399 77#define ARCH_REVISION_CAP9_C 0x601 78 79static inline unsigned long at91cap9_rev_identify(void) 80{ 81 return (at91_sys_read(AT91_PMC_VER)); 82} 83#endif 84 85#ifdef CONFIG_ARCH_AT91RM9200 86#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) 87#else 88#define cpu_is_at91rm9200() (0) 89#endif 90 91#ifdef CONFIG_ARCH_AT91SAM9260 92#define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) 93#define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) 94#else 95#define cpu_is_at91sam9xe() (0) 96#define cpu_is_at91sam9260() (0) 97#endif 98 99#ifdef CONFIG_ARCH_AT91SAM9G20 100#define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) 101#else 102#define cpu_is_at91sam9g20() (0) 103#endif 104 105#ifdef CONFIG_ARCH_AT91SAM9261 106#define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) 107#else 108#define cpu_is_at91sam9261() (0) 109#endif 110 111#ifdef CONFIG_ARCH_AT91SAM9G10 112#define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) 113#else 114#define cpu_is_at91sam9g10() (0) 115#endif 116 117#ifdef CONFIG_ARCH_AT91SAM9263 118#define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) 119#else 120#define cpu_is_at91sam9263() (0) 121#endif 122 123#ifdef CONFIG_ARCH_AT91SAM9RL 124#define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) 125#else 126#define cpu_is_at91sam9rl() (0) 127#endif 128 129#ifdef CONFIG_ARCH_AT91SAM9G45 130#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45) 131#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES) 132#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \ 133 (at91_exid_identify() == ARCH_EXID_AT91SAM9M10)) 134#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \ 135 (at91_exid_identify() == ARCH_EXID_AT91SAM9G46)) 136#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \ 137 (at91_exid_identify() == ARCH_EXID_AT91SAM9M11)) 138#else 139#define cpu_is_at91sam9g45() (0) 140#define cpu_is_at91sam9g45es() (0) 141#define cpu_is_at91sam9m10() (0) 142#define cpu_is_at91sam9g46() (0) 143#define cpu_is_at91sam9m11() (0) 144#endif 145 146#ifdef CONFIG_ARCH_AT91CAP9 147#define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) 148#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) 149#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) 150#else 151#define cpu_is_at91cap9() (0) 152#define cpu_is_at91cap9_revB() (0) 153#define cpu_is_at91cap9_revC() (0) 154#endif 155 156#ifdef CONFIG_ARCH_AT572D940HF 157#define cpu_is_at572d940hf() (at91_cpu_identify() == ARCH_ID_AT572D940HF) 158#else 159#define cpu_is_at572d940hf() (0) 160#endif 161 162/* 163 * Since this is ARM, we will never run on any AVR32 CPU. But these 164 * definitions may reduce clutter in common drivers. 165 */ 166#define cpu_is_at32ap7000() (0) 167 168#endif 169