[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/boot/common/src/uboot/lib/net_utils.c b/boot/common/src/uboot/lib/net_utils.c
new file mode 100644
index 0000000..b425a68
--- /dev/null
+++ b/boot/common/src/uboot/lib/net_utils.c
@@ -0,0 +1,50 @@
+/*
+ * Generic network code. Moved from net.c
+ *
+ * Copyright 1994 - 2000 Neil Russell.
+ * Copyright 2000 Roland Borde
+ * Copyright 2000 Paolo Scaffardi
+ * Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+IPaddr_t string_to_ip(const char *s)
+{
+	IPaddr_t addr;
+	char *e;
+	int i;
+
+	if (s == NULL)
+		return(0);
+
+	for (addr=0, i=0; i<4; ++i) {
+		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
+		addr <<= 8;
+		addr |= (val & 0xFF);
+		if (s) {
+			s = (*e) ? e+1 : e;
+		}
+	}
+
+	return (htonl(addr));
+}