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diff --git a/kernel/arch/mips/loongson/common/init.c b/kernel/arch/mips/loongson/common/init.c
new file mode 100644
index 000000000..9b987fe98
--- /dev/null
+++ b/kernel/arch/mips/loongson/common/init.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzhangjin@gmail.com
+ *
+ * This program is free software; you can redistribute	it and/or modify it
+ * under  the terms of	the GNU General	 Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <asm/smp-ops.h>
+
+#include <loongson.h>
+
+/* Loongson CPU address windows config space base address */
+unsigned long __maybe_unused _loongson_addrwincfg_base;
+
+void __init prom_init(void)
+{
+#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
+	_loongson_addrwincfg_base = (unsigned long)
+		ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
+#endif
+
+	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));
+
+#ifdef CONFIG_NUMA
+	prom_init_numa_memory();
+#else
+	prom_init_memory();
+#endif
+
+	/*init the uart base address */
+	prom_init_uart_base();
+	register_smp_ops(&loongson3_smp_ops);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}