1 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index 383d61e138af..f5e597c207b9 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -23,6 +23,7 @@
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/cacheflush.h>
 
 #include "core.h"
 
@@ -73,6 +74,10 @@ void __init socfpga_sysmgr_init(void)
                         (u32 *) &socfpga_cpu1start_addr))
                 pr_err("SMP: Need cpu1-start-addr in device tree.\n");
 
+        /* Ensure that socfpga_cpu1start_addr is visible to other CPUs */
+        smp_wmb();
+        sync_cache_w(&socfpga_cpu1start_addr);
+
         sys_manager_base_addr = of_iomap(np, 0);
 
         np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr");