Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 1 | /* |
Andrew Victor | 9d04126 | 2007-02-05 11:42:07 +0100 | [diff] [blame] | 2 | * include/asm-arm/arch-at91/cpu.h |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 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 | |
Russell King | be50972 | 2008-08-04 10:41:28 +0100 | [diff] [blame] | 16 | #include <asm/arch/hardware.h> |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 17 | #include <asm/arch/at91_dbgu.h> |
| 18 | |
| 19 | |
| 20 | #define ARCH_ID_AT91RM9200 0x09290780 |
| 21 | #define ARCH_ID_AT91SAM9260 0x019803a0 |
| 22 | #define ARCH_ID_AT91SAM9261 0x019703a0 |
Andrew Victor | b2c6561 | 2007-02-08 09:42:40 +0100 | [diff] [blame] | 23 | #define ARCH_ID_AT91SAM9263 0x019607a0 |
sedji gaouaou | 6135266 | 2008-07-10 10:15:35 +0100 | [diff] [blame] | 24 | #define ARCH_ID_AT91SAM9G20 0x019905a0 |
Andrew Victor | 2b3b351 | 2008-01-24 15:10:39 +0100 | [diff] [blame] | 25 | #define ARCH_ID_AT91SAM9RL64 0x019b03a0 |
| 26 | #define ARCH_ID_AT91CAP9 0x039A03A0 |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 27 | |
Andrew Victor | f7eee89 | 2007-02-15 08:17:38 +0100 | [diff] [blame] | 28 | #define ARCH_ID_AT91SAM9XE128 0x329973a0 |
| 29 | #define ARCH_ID_AT91SAM9XE256 0x329a93a0 |
| 30 | #define ARCH_ID_AT91SAM9XE512 0x329aa3a0 |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 31 | |
Greg Ungerer | 7067222 | 2007-06-04 06:45:38 +0100 | [diff] [blame] | 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 | |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 37 | static inline unsigned long at91_cpu_identify(void) |
| 38 | { |
| 39 | return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); |
| 40 | } |
| 41 | |
| 42 | |
Andrew Victor | f7eee89 | 2007-02-15 08:17:38 +0100 | [diff] [blame] | 43 | #define ARCH_FAMILY_AT91X92 0x09200000 |
| 44 | #define ARCH_FAMILY_AT91SAM9 0x01900000 |
| 45 | #define ARCH_FAMILY_AT91SAM9XE 0x02900000 |
| 46 | |
| 47 | static inline unsigned long at91_arch_identify(void) |
| 48 | { |
| 49 | return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); |
| 50 | } |
| 51 | |
| 52 | |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 53 | #ifdef CONFIG_ARCH_AT91RM9200 |
| 54 | #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) |
| 55 | #else |
| 56 | #define cpu_is_at91rm9200() (0) |
| 57 | #endif |
| 58 | |
| 59 | #ifdef CONFIG_ARCH_AT91SAM9260 |
Andrew Victor | f7eee89 | 2007-02-15 08:17:38 +0100 | [diff] [blame] | 60 | #define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) |
| 61 | #define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 62 | #else |
Andrew Victor | f7eee89 | 2007-02-15 08:17:38 +0100 | [diff] [blame] | 63 | #define cpu_is_at91sam9xe() (0) |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 64 | #define cpu_is_at91sam9260() (0) |
| 65 | #endif |
| 66 | |
sedji gaouaou | 6135266 | 2008-07-10 10:15:35 +0100 | [diff] [blame] | 67 | #ifdef CONFIG_ARCH_AT91SAM9G20 |
| 68 | #define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) |
| 69 | #else |
| 70 | #define cpu_is_at91sam9g20() (0) |
| 71 | #endif |
| 72 | |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 73 | #ifdef CONFIG_ARCH_AT91SAM9261 |
| 74 | #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) |
| 75 | #else |
| 76 | #define cpu_is_at91sam9261() (0) |
| 77 | #endif |
| 78 | |
Andrew Victor | b2c6561 | 2007-02-08 09:42:40 +0100 | [diff] [blame] | 79 | #ifdef CONFIG_ARCH_AT91SAM9263 |
| 80 | #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) |
| 81 | #else |
| 82 | #define cpu_is_at91sam9263() (0) |
| 83 | #endif |
| 84 | |
Andrew Victor | 877d772 | 2007-05-11 20:49:56 +0100 | [diff] [blame] | 85 | #ifdef CONFIG_ARCH_AT91SAM9RL |
| 86 | #define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) |
| 87 | #else |
| 88 | #define cpu_is_at91sam9rl() (0) |
| 89 | #endif |
| 90 | |
Andrew Victor | 2b3b351 | 2008-01-24 15:10:39 +0100 | [diff] [blame] | 91 | #ifdef CONFIG_ARCH_AT91CAP9 |
| 92 | #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) |
| 93 | #else |
| 94 | #define cpu_is_at91cap9() (0) |
| 95 | #endif |
Andrew Victor | 877d772 | 2007-05-11 20:49:56 +0100 | [diff] [blame] | 96 | |
Haavard Skinnemoen | e749828 | 2007-05-09 02:33:47 -0700 | [diff] [blame] | 97 | /* |
| 98 | * Since this is ARM, we will never run on any AVR32 CPU. But these |
| 99 | * definitions may reduce clutter in common drivers. |
| 100 | */ |
| 101 | #define cpu_is_at32ap7000() (0) |
| 102 | |
Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame] | 103 | #endif |