diff options
Diffstat (limited to 'arch/x86/include/asm/intel-family.h')
| -rw-r--r-- | arch/x86/include/asm/intel-family.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index f9f67afeb48a..b657d78071c6 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -182,10 +182,23 @@ /* Family 19 */ #define INTEL_PANTHERCOVE_X IFM(19, 0x01) /* Diamond Rapids */ -/* CPU core types */ +/* + * Intel CPU core types + * + * CPUID.1AH.EAX[31:0] uniquely identifies the microarchitecture + * of the core. Bits 31-24 indicates its core type (Core or Atom) + * and Bits [23:0] indicates the native model ID of the core. + * Core type and native model ID are defined in below enumerations. + */ enum intel_cpu_type { + INTEL_CPU_TYPE_UNKNOWN, INTEL_CPU_TYPE_ATOM = 0x20, INTEL_CPU_TYPE_CORE = 0x40, }; +enum intel_native_id { + INTEL_ATOM_CMT_NATIVE_ID = 0x2, /* Crestmont */ + INTEL_ATOM_SKT_NATIVE_ID = 0x3, /* Skymont */ +}; + #endif /* _ASM_X86_INTEL_FAMILY_H */ |