| Andrew Victor | 79da7a6 | 2006-11-30 11:58:14 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * include/asm-arm/arch-at91rm9200/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 <asm/hardware.h> |
| 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 |
| 23 | |
| 24 | |
| 25 | static inline unsigned long at91_cpu_identify(void) |
| 26 | { |
| 27 | return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); |
| 28 | } |
| 29 | |
| 30 | |
| 31 | #ifdef CONFIG_ARCH_AT91RM9200 |
| 32 | #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) |
| 33 | #else |
| 34 | #define cpu_is_at91rm9200() (0) |
| 35 | #endif |
| 36 | |
| 37 | #ifdef CONFIG_ARCH_AT91SAM9260 |
| 38 | #define cpu_is_at91sam9260() (at91_cpu_identify() == ARCH_ID_AT91SAM9260) |
| 39 | #else |
| 40 | #define cpu_is_at91sam9260() (0) |
| 41 | #endif |
| 42 | |
| 43 | #ifdef CONFIG_ARCH_AT91SAM9261 |
| 44 | #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) |
| 45 | #else |
| 46 | #define cpu_is_at91sam9261() (0) |
| 47 | #endif |
| 48 | |
| 49 | #endif |