diff options
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
-rw-r--r-- | arch/x86/include/asm/cpu.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 18b0345986..789275792f 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -54,6 +54,7 @@ enum { X86_NONE, X86_SYSCON_ME, /* Intel Management Engine */ X86_SYSCON_GMA, /* Intel Graphics Media Accelerator */ + X86_SYSCON_PINCONF, /* Intel x86 pin configuration */ }; struct cpuid_result { @@ -260,4 +261,30 @@ void cpu_call32(ulong code_seg32, ulong target, ulong table); */ int cpu_jump_to_64bit(ulong setup_base, ulong target); +/** + * cpu_get_family_model() - Get the family and model for the CPU + * + * @return the CPU ID masked with 0x0fff0ff0 + */ +u32 cpu_get_family_model(void); + +/** + * cpu_get_stepping() - Get the stepping value for the CPU + * + * @return the CPU ID masked with 0xf + */ +u32 cpu_get_stepping(void); + +/** + * cpu_run_reference_code() - Run the platform reference code + * + * Some platforms require a binary blob to be executed once SDRAM is + * available. This is used to set up various platform features, such as the + * platform controller hub (PCH). This function should be implemented by the + * CPU-specific code. + * + * @return 0 on success, -ve on failure + */ +int cpu_run_reference_code(void); + #endif |