Merge tag 'v3.10.86' into linux-linaro-lsk-v3.10

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / cputype.h

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 632298c2d9517649116fb616028360ae56f18ab9..539bea61f129d9cc2aba9cb95a5a9acb9d406ce0 100644 (file)
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -16,23 +16,23 @@
 #ifndef __ASM_CPUTYPE_H
 #define __ASM_CPUTYPE_H
 
-#define ID_MIDR_EL1            "midr_el1"
-#define ID_MPIDR_EL1           "mpidr_el1"
-#define ID_CTR_EL0             "ctr_el0"
-
-#define ID_AA64PFR0_EL1                "id_aa64pfr0_el1"
-#define ID_AA64DFR0_EL1                "id_aa64dfr0_el1"
-#define ID_AA64AFR0_EL1                "id_aa64afr0_el1"
-#define ID_AA64ISAR0_EL1       "id_aa64isar0_el1"
-#define ID_AA64MMFR0_EL1       "id_aa64mmfr0_el1"
-
 #define INVALID_HWID           ULONG_MAX
 
 #define MPIDR_HWID_BITMASK     0xff00ffffff
 
+#define MPIDR_LEVEL_BITS_SHIFT 3
+#define MPIDR_LEVEL_BITS       (1 << MPIDR_LEVEL_BITS_SHIFT)
+#define MPIDR_LEVEL_MASK       ((1 << MPIDR_LEVEL_BITS) - 1)
+
+#define MPIDR_LEVEL_SHIFT(level) \
+       (((1 << level) >> 1) << MPIDR_LEVEL_BITS_SHIFT)
+
+#define MPIDR_AFFINITY_LEVEL(mpidr, level) \
+       ((mpidr >> MPIDR_LEVEL_SHIFT(level)) & MPIDR_LEVEL_MASK)
+
 #define read_cpuid(reg) ({                                             \
        u64 __val;                                                      \
-       asm("mrs        %0, " reg : "=r" (__val));                      \
+       asm("mrs        %0, " #reg : "=r" (__val));                     \
        __val;                                                          \
 })
 
@@ -74,12 +74,12 @@
  */
 static inline u32 __attribute_const__ read_cpuid_id(void)
 {
-       return read_cpuid(ID_MIDR_EL1);
+       return read_cpuid(MIDR_EL1);
 }
 
 static inline u64 __attribute_const__ read_cpuid_mpidr(void)
 {
-       return read_cpuid(ID_MPIDR_EL1);
+       return read_cpuid(MPIDR_EL1);
 }
 
 static inline unsigned int __attribute_const__ read_cpuid_implementor(void)
@@ -94,9 +94,11 @@ static inline unsigned int __attribute_const__ read_cpuid_part_number(void)
 
 static inline u32 __attribute_const__ read_cpuid_cachetype(void)
 {
-       return read_cpuid(ID_CTR_EL0);
+       return read_cpuid(CTR_EL0);
 }
 
+void cpuinfo_store_cpu(void);
+
 #endif /* __ASSEMBLY__ */
 
 #endif