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Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/cpu.h')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/cpu.h54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/cpu.h b/arch/arm/mach-ixp4xx/include/mach/cpu.h
deleted file mode 100644
index b872a5354ddd..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/cpu.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-ixp4xx/include/mach/cpu.h
- *
- * IXP4XX cpu type detection
- *
- * Copyright (C) 2007 MontaVista Software, Inc.
- */
-
-#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 */