/* * arch/arm/mach-ixp4xx/include/mach/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__ #include <linux/io.h> #include <asm/cputype.h> /* Processor id value in CP15 Register 0 */ #define IXP42X_PROCESSOR_ID_VALUE 0x690541c0 /* including unused 0x690541Ex */ #define IXP42X_PROCESSOR_ID_MASK 0xffffffc0 #define IXP43X_PROCESSOR_ID_VALUE 0x69054040 #define IXP43X_PROCESSOR_ID_MASK 0xfffffff0 #define IXP46X_PROCESSOR_ID_VALUE 0x69054200 /* including IXP455 */ #define IXP46X_PROCESSOR_ID_MASK 0xfffffff0 #define cpu_is_ixp42x_rev_a0() ((read_cpuid_id() & (IXP42X_PROCESSOR_ID_MASK | 0xF)) == \ IXP42X_PROCESSOR_ID_VALUE) #define cpu_is_ixp42x() ((read_cpuid_id() & IXP42X_PROCESSOR_ID_MASK) == \ IXP42X_PROCESSOR_ID_VALUE) #define cpu_is_ixp43x() ((read_cpuid_id() & IXP43X_PROCESSOR_ID_MASK) == \ IXP43X_PROCESSOR_ID_VALUE) #define cpu_is_ixp46x() ((read_cpuid_id() & IXP46X_PROCESSOR_ID_MASK) == \ IXP46X_PROCESSOR_ID_VALUE) static inline u32 ixp4xx_read_feature_bits(void) { u32 val = ~__raw_readl(IXP4XX_EXP_CFG2); if (cpu_is_ixp42x_rev_a0()) return IXP42X_FEATURE_MASK & ~(IXP4XX_FEATURE_RCOMP | IXP4XX_FEATURE_AES); if (cpu_is_ixp42x()) return val & IXP42X_FEATURE_MASK; if (cpu_is_ixp43x()) return val & IXP43X_FEATURE_MASK; return val & IXP46X_FEATURE_MASK; } static inline void ixp4xx_write_feature_bits(u32 value) { __raw_writel(~value, IXP4XX_EXP_CFG2); } #endif /* _ASM_ARCH_CPU_H */
Name | Type | Size | Permission | Actions |
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cpu.h | File | 1.7 KB | 0644 |
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entry-macro.S | File | 1.06 KB | 0644 |
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hardware.h | File | 807 B | 0644 |
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io.h | File | 13.48 KB | 0644 |
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irqs.h | File | 1.94 KB | 0644 |
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ixp46x_ts.h | File | 2.91 KB | 0644 |
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ixp4xx-regs.h | File | 17.35 KB | 0644 |
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npe.h | File | 1021 B | 0644 |
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platform.h | File | 3.73 KB | 0644 |
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qmgr.h | File | 5.88 KB | 0644 |
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udc.h | File | 167 B | 0644 |
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uncompress.h | File | 1.29 KB | 0644 |
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