2 * include/asm-arm/arch-at91/cpu.h
4 * Copyright (C) 2006 SAN People
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.
13 #ifndef __ASM_ARCH_CPU_H
14 #define __ASM_ARCH_CPU_H
16 #include <asm/hardware.h>
17 #include <asm/arch/at91_dbgu.h>
20 #define ARCH_ID_AT91RM9200 0x09290780
21 #define ARCH_ID_AT91SAM9260 0x019803a0
22 #define ARCH_ID_AT91SAM9261 0x019703a0
23 #define ARCH_ID_AT91SAM9263 0x019607a0
26 static inline unsigned long at91_cpu_identify(void)
28 return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
32 #ifdef CONFIG_ARCH_AT91RM9200
33 #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
35 #define cpu_is_at91rm9200() (0)
38 #ifdef CONFIG_ARCH_AT91SAM9260
39 #define cpu_is_at91sam9260() (at91_cpu_identify() == ARCH_ID_AT91SAM9260)
41 #define cpu_is_at91sam9260() (0)
44 #ifdef CONFIG_ARCH_AT91SAM9261
45 #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261)
47 #define cpu_is_at91sam9261() (0)
50 #ifdef CONFIG_ARCH_AT91SAM9263
51 #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263)
53 #define cpu_is_at91sam9263() (0)