/* * 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 */