[U-Boot] [PATCH 2/3] configs: zynq: Add config support for ZYBO

[Peter Crosthwaite]

From: Tinghui Wang <steven.wang at digilentinc.com>

This patch adds config support needed for ZYBO target and has
been tested on Rev. B ZYBO hardware.

Signed-off-by: Tinghui Wang <steven.wang at digilentinc.com>
[PC changes:
 * Dropped boards.cfg change (rebase conflict)
 * Dropped custom u-boot env
 * Added DTS
 * Misc forward-porting changes
]
Signed-off-by: Peter Crosthwiate <crosthwaite.peter at gmail.com>

---
I have dropped the custom u-boot env from the original patch,
as I'm not sure what the purpose was and I didn't need it for ZYBO SPL.
---
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/configs/zynq_zybo.h

diff --git a/include/configs/zynq_zybo.h b/include/configs/zynq_zybo.h
new file mode 100644
index 0000000..c167207
--- /dev/null
+++ b/include/configs/zynq_zybo.h
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2012 Xilinx
+ * (C) Copyright 2014 Digilent Inc.
+ *
+ * Configuration for Zynq Development Board - ZYBO
+ * See zynq_common.h for Zynq common configs
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_ZYNQ_ZYBO_H
+#define __CONFIG_ZYNQ_ZYBO_H
+
+#define CONFIG_SYS_SDRAM_SIZE (512 * 1024 * 1024)
+
+#define CONFIG_ZYNQ_SERIAL_UART1
+#define CONFIG_ZYNQ_GEM0
+#define CONFIG_ZYNQ_GEM_PHY_ADDR0	0
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_ZYNQ_SDHCI0
+#define CONFIG_ZYNQ_BOOT_FREEBSD
+#define CONFIG_DEFAULT_DEVICE_TREE	zynq-zybo
+
+/* Define ZYBO PS Clock Frequency to 50MHz */
+#define CONFIG_ZYNQ_PS_CLK_FREQ	50000000UL
+
+#include <configs/zynq-common.h>
+
+#endif /* __CONFIG_ZYNQ_ZYBO_H */
-- 
1.9.1