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Diffstat (limited to 'arch/arm/mach-exynos/platsmp.c')
-rw-r--r--arch/arm/mach-exynos/platsmp.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index d9c6d0ab6a0c..deba1308ff16 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -50,6 +50,8 @@ static inline void __iomem *cpu_boot_reg(int cpu)
boot_reg = cpu_boot_reg_base();
if (soc_is_exynos4412())
boot_reg += 4*cpu;
+ else if (soc_is_exynos5420())
+ boot_reg += 4;
return boot_reg;
}
@@ -180,10 +182,14 @@ static void __init exynos_smp_init_cpus(void)
void __iomem *scu_base = scu_base_addr();
unsigned int i, ncores;
- if (soc_is_exynos5250())
- ncores = 2;
- else
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
ncores = scu_base ? scu_get_core_count(scu_base) : 1;
+ else
+ /*
+ * CPU Nodes are passed thru DT and set_cpu_possible
+ * is set by "arm_dt_init_cpu_maps".
+ */
+ return;
/* sanity check */
if (ncores > nr_cpu_ids) {