diff options
Diffstat (limited to 'arch/arm/include/asm/cputype.h')
| -rw-r--r-- | arch/arm/include/asm/cputype.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 42f0889f0584..c651e3b26ec7 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -221,4 +221,23 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif +/* + * Marvell's PJ4 core is based on V7 version. It has some modification + * for coprocessor setting. For this reason, we need a way to distinguish + * it. + */ +#ifndef CONFIG_CPU_PJ4 +#define cpu_is_pj4() 0 +#else +static inline int cpu_is_pj4(void) +{ + unsigned int id; + + id = read_cpuid_id(); + if ((id & 0xfffffff0) == 0x562f5840) + return 1; + + return 0; +} +#endif #endif |