From: Krzysztof Hałasa Date: Tue, 28 Apr 2009 12:48:43 +0000 (+0200) Subject: IXP42x: Identify Intel IXP425 rev. A0 processors. X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8a4fe82497a52b6da45b5b3179cce7dd6a28a532;p=linux.git IXP42x: Identify Intel IXP425 rev. A0 processors. Signed-off-by: Krzysztof Hałasa --- diff --git a/arch/arm/mach-ixp4xx/include/mach/cpu.h b/arch/arm/mach-ixp4xx/include/mach/cpu.h index def7773be67cc..b2ef65db0e914 100644 --- a/arch/arm/mach-ixp4xx/include/mach/cpu.h +++ b/arch/arm/mach-ixp4xx/include/mach/cpu.h @@ -26,6 +26,8 @@ #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) == \ @@ -35,8 +37,11 @@ static inline u32 ixp4xx_read_feature_bits(void) { - unsigned int val = ~*IXP4XX_EXP_CFG2; + u32 val = ~*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())