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Diffstat (limited to 'arch/arm/mach-keystone/platsmp.c')
-rw-r--r--arch/arm/mach-keystone/platsmp.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/mach-keystone/platsmp.c b/arch/arm/mach-keystone/platsmp.c
index 5cf0683577ea..5f46a7cf907b 100644
--- a/arch/arm/mach-keystone/platsmp.c
+++ b/arch/arm/mach-keystone/platsmp.c
@@ -17,13 +17,16 @@
#include <linux/io.h>
#include <asm/smp_plat.h>
+#include <asm/prom.h>
+#include <asm/tlbflush.h>
+#include <asm/pgtable.h>
#include "keystone.h"
static int keystone_smp_boot_secondary(unsigned int cpu,
struct task_struct *idle)
{
- unsigned long start = virt_to_phys(&secondary_startup);
+ unsigned long start = virt_to_idmap(&secondary_startup);
int error;
pr_debug("keystone-smp: booting cpu %d, vector %08lx\n",
@@ -36,6 +39,19 @@ static int keystone_smp_boot_secondary(unsigned int cpu,
return error;
}
+#ifdef CONFIG_ARM_LPAE
+static void __cpuinit keystone_smp_secondary_initmem(unsigned int cpu)
+{
+ pgd_t *pgd0 = pgd_offset_k(0);
+ cpu_set_ttbr(1, __pa(pgd0) + TTBR1_OFFSET);
+ local_flush_tlb_all();
+}
+#else
+static inline void __cpuinit keystone_smp_secondary_initmem(unsigned int cpu)
+{}
+#endif
+
struct smp_operations keystone_smp_ops __initdata = {
.smp_boot_secondary = keystone_smp_boot_secondary,
+ .smp_secondary_init = keystone_smp_secondary_initmem,
};