aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-at91rm9200/cpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-at91rm9200/cpu.h')
-rw-r--r--include/asm-arm/arch-at91rm9200/cpu.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/cpu.h b/include/asm-arm/arch-at91rm9200/cpu.h
new file mode 100644
index 000000000000..6f8d09b08692
--- /dev/null
+++ b/include/asm-arm/arch-at91rm9200/cpu.h
@@ -0,0 +1,49 @@
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
25static 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