diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/cpu.h')
| -rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/cpu.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/cpu.h b/arch/arm/mach-ixp4xx/include/mach/cpu.h index 51bd69c46d94..def7773be67c 100644 --- a/arch/arm/mach-ixp4xx/include/mach/cpu.h +++ b/arch/arm/mach-ixp4xx/include/mach/cpu.h @@ -17,26 +17,31 @@ #include <asm/cputype.h> /* 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() ((read_cpuid_id() & IXP4XX_PROCESSOR_ID_MASK) == \ - IXP425_PROCESSOR_ID_VALUE) -#define cpu_is_ixp43x() ((read_cpuid_id() & IXP4XX_PROCESSOR_ID_MASK) == \ - IXP435_PROCESSOR_ID_VALUE) -#define cpu_is_ixp46x() ((read_cpuid_id() & IXP4XX_PROCESSOR_ID_MASK) == \ - IXP465_PROCESSOR_ID_VALUE) +#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() ((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) { unsigned int val = ~*IXP4XX_EXP_CFG2; - val &= ~IXP4XX_FEATURE_RESERVED; - if (!cpu_is_ixp46x()) - val &= ~IXP4XX_FEATURE_IXP46X_ONLY; - return val; + 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) |