1 files changed, 7 insertions, 4 deletions

diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c
index ae7af1fd5d59..f37fe5413b73 100644
--- a/arch/mips/loongson/common/init.c
+++ b/arch/mips/loongson/common/init.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/bootmem.h>
+#include <asm/smp-ops.h>
 
 #include <loongson.h>
 
@@ -17,10 +18,6 @@ unsigned long __maybe_unused _loongson_addrwincfg_base;
 
 void __init prom_init(void)
 {
-        /* init base address of io space */
-        set_io_port_base((unsigned long)
-                ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
-
 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
         _loongson_addrwincfg_base = (unsigned long)
                 ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
@@ -28,10 +25,16 @@ void __init prom_init(void)
 
         prom_init_cmdline();
         prom_init_env();
+
+        /* init base address of io space */
+        set_io_port_base((unsigned long)
+                ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+
         prom_init_memory();
 
         /*init the uart base address */
         prom_init_uart_base();
+        register_smp_ops(&loongson3_smp_ops);
 }
 
 void __init prom_free_prom_memory(void)