diff options
| author | Javi Merino <javi.merino@arm.com> | 2012-08-29 19:32:18 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-03-20 19:09:42 +0100 |
| commit | 0359b0e2d0bbd28289c38ebe779b5f1c61f8ccc8 (patch) | |
| tree | 72012e79026c22a566dba7a9df904a0c60c80475 /arch/arm64 | |
| parent | arm64: kernel: initialise cpu_logical_map from the DT (diff) | |
| download | linux-0359b0e2d0bbd28289c38ebe779b5f1c61f8ccc8.tar.xz linux-0359b0e2d0bbd28289c38ebe779b5f1c61f8ccc8.zip | |
arm64: head: match all affinity levels in the pen of the secondaries
The reg property of the cpu nodes in the DT now contains all the
affinity levels in (MPIDR[39:32] and MPIDR[23:0]) and that's what
boot_secondary() writes in the pen, so increase the mask in
secondary_holding_pen accordingly.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/cputype.h | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/head.S | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 3780b2e7f88f..cf2749488cd4 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -42,6 +42,8 @@ #define ARM_CPU_PART_FOUNDATION 0xD000 #define ARM_CPU_PART_CORTEX_A57 0xD070 +#ifndef __ASSEMBLY__ + /* * 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 @@ -72,4 +74,6 @@ static inline u32 __attribute_const__ read_cpuid_cachetype(void) return read_cpuid(ID_CTR_EL0); } +#endif /* __ASSEMBLY__ */ + #endif diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 0a0a49756826..53dcae49e729 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -26,6 +26,7 @@ #include <asm/assembler.h> #include <asm/ptrace.h> #include <asm/asm-offsets.h> +#include <asm/cputype.h> #include <asm/memory.h> #include <asm/thread_info.h> #include <asm/pgtable-hwdef.h> @@ -229,7 +230,8 @@ ENTRY(secondary_holding_pen) bl __calc_phys_offset // x24=phys offset bl el2_setup // Drop to EL1 mrs x0, mpidr_el1 - and x0, x0, #15 // CPU number + ldr x1, =MPIDR_HWID_BITMASK + and x0, x0, x1 adr x1, 1b ldp x2, x3, [x1] sub x1, x1, x2 |