aspeed: Support for ast2500 Eval Board

ast2500 Eval Board device tree and board specific configuration.
Reviewed-by: Simon Glass <sjg@chromium.org>

include/configs/evb_ast2500.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2012-2020  ASPEED Technology Inc.
+ * Ryan Chen <ryan_chen@aspeedtech.com>
+ *
+ * Copyright 2016 Google Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/aspeed-common.h>
+
+#define CONFIG_SYS_MEMTEST_START	(CONFIG_SYS_SDRAM_BASE + 0x300000)
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x5000000)
+
+#define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_TEXT_BASE
+
+/* Memory Info */
+#define CONFIG_SYS_LOAD_ADDR		0x83000000
+
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_ENV_SIZE			0x20000
+
+#endif	/* __CONFIG_H */