diff options
Diffstat (limited to 'arch/arm/include/asm/cputype.h')
| -rw-r--r-- | arch/arm/include/asm/cputype.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 7b9d27e749b8..b3e656c6fb78 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -8,6 +8,21 @@ #define CPUID_TCM 2 #define CPUID_TLBTYPE 3 +#define CPUID_EXT_PFR0 "c1, 0" +#define CPUID_EXT_PFR1 "c1, 1" +#define CPUID_EXT_DFR0 "c1, 2" +#define CPUID_EXT_AFR0 "c1, 3" +#define CPUID_EXT_MMFR0 "c1, 4" +#define CPUID_EXT_MMFR1 "c1, 5" +#define CPUID_EXT_MMFR2 "c1, 6" +#define CPUID_EXT_MMFR3 "c1, 7" +#define CPUID_EXT_ISAR0 "c2, 0" +#define CPUID_EXT_ISAR1 "c2, 1" +#define CPUID_EXT_ISAR2 "c2, 2" +#define CPUID_EXT_ISAR3 "c2, 3" +#define CPUID_EXT_ISAR4 "c2, 4" +#define CPUID_EXT_ISAR5 "c2, 5" + #ifdef CONFIG_CPU_CP15 #define read_cpuid(reg) \ ({ \ @@ -18,9 +33,19 @@ : "cc"); \ __val; \ }) +#define read_cpuid_ext(ext_reg) \ + ({ \ + unsigned int __val; \ + asm("mrc p15, 0, %0, c0, " ext_reg \ + : "=r" (__val) \ + : \ + : "cc"); \ + __val; \ + }) #else extern unsigned int processor_id; #define read_cpuid(reg) (processor_id) +#define read_cpuid_ext(reg) 0 #endif /* |