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| author |   Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
| commit | 02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1 (patch) | |
| tree | 04ef573cd4de095c500c9fc3477f4278c0b36300 /include/asm-arm/arch-ixp4xx/cpu.h | |
| parent | [POWERPC] Holly bootwrapper (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff) | |
| download | linux-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.tar.xz linux-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/cpu.h')
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/cpu.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/cpu.h b/include/asm-arm/arch-ixp4xx/cpu.h new file mode 100644 index 000000000000..d2523b326c6c --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/cpu.h @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-ixp4xx/cpu.h + * + * IXP4XX cpu type detection + * + * Copyright (C) 2007 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __ASM_ARCH_CPU_H__ +#define __ASM_ARCH_CPU_H__ + +extern unsigned int processor_id; +/* Processor id value in CP15 Register 0 */ +#define IXP425_PROCESSOR_ID_VALUE 0x690541c0 +#define IXP435_PROCESSOR_ID_VALUE 0x69054040 +#define IXP465_PROCESSOR_ID_VALUE 0x69054200 +#define IXP4XX_PROCESSOR_ID_MASK 0xfffffff0 + +#define cpu_is_ixp42x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \ + IXP425_PROCESSOR_ID_VALUE) +#define cpu_is_ixp43x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \ + IXP435_PROCESSOR_ID_VALUE) +#define cpu_is_ixp46x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \ + IXP465_PROCESSOR_ID_VALUE) + +#endif /* _ASM_ARCH_CPU_H */ |