[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/mips/jz4740/prom.c b/src/kernel/linux/v4.19/arch/mips/jz4740/prom.c
new file mode 100644
index 0000000..eb9f2f9
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/mips/jz4740/prom.c
@@ -0,0 +1,33 @@
+/*
+ *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *  JZ4740 SoC prom code
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <linux/serial_reg.h>
+
+#include <asm/bootinfo.h>
+#include <asm/fw/fw.h>
+#include <asm/mach-jz4740/base.h>
+
+void __init prom_init(void)
+{
+	fw_init_cmdline();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}