ARM: renesas: Add R8A77990 E3 Ebisu board

Add support for the R8A77990 Ebisu board.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/ebisu.h b/include/configs/ebisu.h
new file mode 100644
index 0000000..2d2dddb
--- /dev/null
+++ b/include/configs/ebisu.h
@@ -0,0 +1,34 @@
+/*
+ * include/configs/ebisu.h
+ *     This file is Ebisu board configuration.
+ *
+ * Copyright (C) 2018 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __EBISU_H
+#define __EBISU_H
+
+#undef DEBUG
+
+#include "rcar-gen3-common.h"
+
+/* Ethernet RAVB */
+#define CONFIG_NET_MULTI
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+
+/* Board Clock */
+/* XTAL_CLK : 33.33MHz */
+#define CONFIG_SYS_CLK_FREQ	48000000u
+
+/* Generic Timer Definitions (use in assembler source) */
+#define COUNTER_FREQUENCY	0xFE502A	/* 16.66MHz from CPclk */
+
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_OFFSET		(-CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV		2
+#define CONFIG_SYS_MMC_ENV_PART		2
+
+#endif /* __EBISU_H */