1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index a59dcb5ab5fc..ad41ec2471e8 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -64,6 +64,24 @@ extern unsigned int processor_id;
 #define read_cpuid_ext(reg) 0
 #endif
 
+#define ARM_CPU_IMP_ARM                 0x41
+#define ARM_CPU_IMP_INTEL               0x69
+
+#define ARM_CPU_PART_ARM1136            0xB360
+#define ARM_CPU_PART_ARM1156            0xB560
+#define ARM_CPU_PART_ARM1176            0xB760
+#define ARM_CPU_PART_ARM11MPCORE        0xB020
+#define ARM_CPU_PART_CORTEX_A8          0xC080
+#define ARM_CPU_PART_CORTEX_A9          0xC090
+#define ARM_CPU_PART_CORTEX_A5          0xC050
+#define ARM_CPU_PART_CORTEX_A15         0xC0F0
+#define ARM_CPU_PART_CORTEX_A7          0xC070
+
+#define ARM_CPU_XSCALE_ARCH_MASK        0xe000
+#define ARM_CPU_XSCALE_ARCH_V1          0x2000
+#define ARM_CPU_XSCALE_ARCH_V2          0x4000
+#define ARM_CPU_XSCALE_ARCH_V3          0x6000
+
 /*
  * The CPU ID never changes at run time, so we might as well tell the
  * compiler that it's constant.  Use this function to read the CPU ID
@@ -74,6 +92,21 @@ static inline unsigned int __attribute_const__ read_cpuid_id(void)
         return read_cpuid(CPUID_ID);
 }
 
+static inline unsigned int __attribute_const__ read_cpuid_implementor(void)
+{
+        return (read_cpuid_id() & 0xFF000000) >> 24;
+}
+
+static inline unsigned int __attribute_const__ read_cpuid_part_number(void)
+{
+        return read_cpuid_id() & 0xFFF0;
+}
+
+static inline unsigned int __attribute_const__ xscale_cpu_arch_version(void)
+{
+        return read_cpuid_part_number() & ARM_CPU_XSCALE_ARCH_MASK;
+}
+
 static inline unsigned int __attribute_const__ read_cpuid_cachetype(void)
 {
         return read_cpuid(CPUID_CACHETYPE);