xilinx: Add new Zynq board

Add support for Xilinx Zynq board.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Marek Vasut <marex@denx.de>
CC: Joe Hershberger <joe.hershberger@gmail.com>
diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
new file mode 100644
index 0000000..8ed75c3
--- /dev/null
+++ b/board/xilinx/zynq/board.c
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
+ *
+ * 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>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	icache_enable();
+
+	return 0;
+}
+
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	u32 ret = 0;
+
+#if defined(CONFIG_ZYNQ_GEM) && defined(CONFIG_ZYNQ_GEM_BASEADDR0)
+	ret = zynq_gem_initialize(bis, CONFIG_ZYNQ_GEM_BASEADDR0);
+#endif
+
+	return ret;
+}
+#endif
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+	return 0;
+}