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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-03-09 15:49:32 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-03-09 15:49:32 +0000 |
commit | 73a09d212ec65b7068a283e6034fa05649d3d075 (patch) | |
tree | 07e08fb552afd3e0a239e103b9f9cf571593316b /arch/arm/include/asm/cputype.h | |
parent | 6dbe51c251a327e012439c4772097a13df43c5b8 (diff) | |
parent | 6ebd4d038dbb626a43d87db3007e71f92f49d7b3 (diff) | |
download | linux-stable-73a09d212ec65b7068a283e6034fa05649d3d075.tar.gz linux-stable-73a09d212ec65b7068a283e6034fa05649d3d075.tar.bz2 linux-stable-73a09d212ec65b7068a283e6034fa05649d3d075.zip |
Merge branch 'for-next' of git://git.pengutronix.de/git/ukl/linux into devel-stable
Conflicts:
arch/arm/include/asm/cputype.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/cputype.h')
-rw-r--r-- | arch/arm/include/asm/cputype.h | 61 |
1 files changed, 42 insertions, 19 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index ad41ec2471e8..7652712d1d14 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -38,6 +38,24 @@ #define MPIDR_AFFINITY_LEVEL(mpidr, level) \ ((mpidr >> (MPIDR_LEVEL_BITS * level)) & MPIDR_LEVEL_MASK) +#define ARM_CPU_IMP_ARM 0x41 +#define ARM_CPU_IMP_INTEL 0x69 + +#define ARM_CPU_PART_ARM1136 0xB360 +#define ARM_CPU_PART_ARM1156 0xB560 +#define ARM_CPU_PART_ARM1176 0xB760 +#define ARM_CPU_PART_ARM11MPCORE 0xB020 +#define ARM_CPU_PART_CORTEX_A8 0xC080 +#define ARM_CPU_PART_CORTEX_A9 0xC090 +#define ARM_CPU_PART_CORTEX_A5 0xC050 +#define ARM_CPU_PART_CORTEX_A15 0xC0F0 +#define ARM_CPU_PART_CORTEX_A7 0xC070 + +#define ARM_CPU_XSCALE_ARCH_MASK 0xe000 +#define ARM_CPU_XSCALE_ARCH_V1 0x2000 +#define ARM_CPU_XSCALE_ARCH_V2 0x4000 +#define ARM_CPU_XSCALE_ARCH_V3 0x6000 + extern unsigned int processor_id; #ifdef CONFIG_CPU_CP15 @@ -50,6 +68,7 @@ extern unsigned int processor_id; : "cc"); \ __val; \ }) + #define read_cpuid_ext(ext_reg) \ ({ \ unsigned int __val; \ @@ -59,29 +78,24 @@ extern unsigned int processor_id; : "cc"); \ __val; \ }) -#else -#define read_cpuid(reg) (processor_id) -#define read_cpuid_ext(reg) 0 -#endif -#define ARM_CPU_IMP_ARM 0x41 -#define ARM_CPU_IMP_INTEL 0x69 +#else /* ifdef CONFIG_CPU_CP15 */ -#define ARM_CPU_PART_ARM1136 0xB360 -#define ARM_CPU_PART_ARM1156 0xB560 -#define ARM_CPU_PART_ARM1176 0xB760 -#define ARM_CPU_PART_ARM11MPCORE 0xB020 -#define ARM_CPU_PART_CORTEX_A8 0xC080 -#define ARM_CPU_PART_CORTEX_A9 0xC090 -#define ARM_CPU_PART_CORTEX_A5 0xC050 -#define ARM_CPU_PART_CORTEX_A15 0xC0F0 -#define ARM_CPU_PART_CORTEX_A7 0xC070 +/* + * read_cpuid and read_cpuid_ext should only ever be called on machines that + * have cp15 so warn on other usages. + */ +#define read_cpuid(reg) \ + ({ \ + WARN_ON_ONCE(1); \ + 0; \ + }) -#define ARM_CPU_XSCALE_ARCH_MASK 0xe000 -#define ARM_CPU_XSCALE_ARCH_V1 0x2000 -#define ARM_CPU_XSCALE_ARCH_V2 0x4000 -#define ARM_CPU_XSCALE_ARCH_V3 0x6000 +#define read_cpuid_ext(reg) read_cpuid(reg) + +#endif /* ifdef CONFIG_CPU_CP15 / else */ +#ifdef CONFIG_CPU_CP15 /* * The CPU ID never changes at run time, so we might as well tell the * compiler that it's constant. Use this function to read the CPU ID @@ -92,6 +106,15 @@ static inline unsigned int __attribute_const__ read_cpuid_id(void) return read_cpuid(CPUID_ID); } +#else /* ifdef CONFIG_CPU_CP15 */ + +static inline unsigned int __attribute_const__ read_cpuid_id(void) +{ + return processor_id; +} + +#endif /* ifdef CONFIG_CPU_CP15 / else */ + static inline unsigned int __attribute_const__ read_cpuid_implementor(void) { return (read_cpuid_id() & 0xFF000000) >> 24; |