Add support for MT7622 reference board

This adds a general board file based on MT7622 SoCs from MediaTek.
This commit is adding the basic boot support for the MT7622 rfb.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Tested-by: Frank Wunderlich <frank-w@public-files.de>

4 files changed, 50 insertions, 0 deletions

diff --git a/board/mediatek/mt7622/Kconfig b/board/mediatek/mt7622/Kconfig
new file mode 100644
index 0000000000..d0abdc0a67
--- /dev/null
+++ b/board/mediatek/mt7622/Kconfig
@@ -0,0 +1,17 @@
+if TARGET_MT7622
+
+config SYS_BOARD
+	default "mt7622"
+
+config SYS_CONFIG_NAME
+	default "mt7622"
+
+config MTK_BROM_HEADER_INFO
+	string
+	default "lk=1"
+
+config MTK_BROM_HEADER_INFO
+	string
+	default "media=nor"
+
+endif
diff --git a/board/mediatek/mt7622/MAINTAINERS b/board/mediatek/mt7622/MAINTAINERS
new file mode 100644
index 0000000000..a3e0e75ca0
--- /dev/null
+++ b/board/mediatek/mt7622/MAINTAINERS
@@ -0,0 +1,6 @@
+MT7622
+M:	Sam Shih <sam.shih@mediatek.com>
+S:	Maintained
+F:	board/mediatek/mt7622
+F:	include/configs/mt7622.h
+F:	configs/mt7622_rfb_defconfig
diff --git a/board/mediatek/mt7622/Makefile b/board/mediatek/mt7622/Makefile
new file mode 100644
index 0000000000..2c54d86fff
--- /dev/null
+++ b/board/mediatek/mt7622/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier:	GPL-2.0
+
+obj-y	+= mt7622_rfb.o
+
diff --git a/board/mediatek/mt7622/mt7622_rfb.c b/board/mediatek/mt7622/mt7622_rfb.c
new file mode 100644
index 0000000000..b9296bede2
--- /dev/null
+++ b/board/mediatek/mt7622/mt7622_rfb.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+#include <common.h>
+#include <config.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+	return 0;
+}
+
+int board_late_init(void)
+{
+	gd->env_valid = 1; //to load environment variable from persistent store
+	env_relocate();
+	return 0;
+}