diff options
Diffstat (limited to 'arch/arm/include/asm/cputype.h')
| -rw-r--r-- | arch/arm/include/asm/cputype.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index acdde76b39bb..4764344367d4 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -71,6 +71,7 @@ #define ARM_CPU_PART_CORTEX_A5 0xC050 #define ARM_CPU_PART_CORTEX_A15 0xC0F0 #define ARM_CPU_PART_CORTEX_A7 0xC070 +#define ARM_CPU_PART_CORTEX_A12 0xC0D0 #define ARM_CPU_XSCALE_ARCH_MASK 0xe000 #define ARM_CPU_XSCALE_ARCH_V1 0x2000 @@ -220,4 +221,23 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif +/* + * Marvell's PJ4 and PJ4B cores are based on V7 version, + * but require a specical sequence for enabling coprocessors. + * For this reason, we need a way to distinguish them. + */ +#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B) +static inline int cpu_is_pj4(void) +{ + unsigned int id; + + id = read_cpuid_id(); + if ((id & 0xff0fff00) == 0x560f5800) + return 1; + + return 0; +} +#else +#define cpu_is_pj4() 0 +#endif #endif |