32 lines
977 B
C
32 lines
977 B
C
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/*
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* include/asm-arm/arch-ixp4xx/cpu.h
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*
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* IXP4XX cpu type detection
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*
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* Copyright (C) 2007 MontaVista Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __ASM_ARCH_CPU_H__
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#define __ASM_ARCH_CPU_H__
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extern unsigned int processor_id;
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/* Processor id value in CP15 Register 0 */
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#define IXP425_PROCESSOR_ID_VALUE 0x690541c0
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#define IXP435_PROCESSOR_ID_VALUE 0x69054040
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#define IXP465_PROCESSOR_ID_VALUE 0x69054200
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#define IXP4XX_PROCESSOR_ID_MASK 0xfffffff0
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#define cpu_is_ixp42x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
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IXP425_PROCESSOR_ID_VALUE)
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#define cpu_is_ixp43x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
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IXP435_PROCESSOR_ID_VALUE)
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#define cpu_is_ixp46x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
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IXP465_PROCESSOR_ID_VALUE)
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#endif /* _ASM_ARCH_CPU_H */
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