arm: MediaTek: add basic support for MT7629 boards

This adds a general board file based on MT7629 SoCs from MediaTek.

Apart from the generic parts (cpu) we add some low level init codes
and initialize the early clocks.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/mach-mediatek/spl.c b/arch/arm/mach-mediatek/spl.c
new file mode 100644
index 0000000000..9b3590ff3d
--- /dev/null
+++ b/arch/arm/mach-mediatek/spl.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+#include <clk.h>
+#include <common.h>
+#include <spl.h>
+
+#include "init.h"
+
+void board_init_f(ulong dummy)
+{
+	int ret;
+
+	ret = spl_early_init();
+	if (ret)
+		hang();
+
+	/* enable console uart printing */
+	preloader_console_init();
+
+	/* soc early initialization */
+	ret = mtk_soc_early_init();
+	if (ret)
+		hang();
+}
+
+u32 spl_boot_device(void)
+{
+#if defined(CONFIG_SPL_SPI_SUPPORT)
+	return BOOT_DEVICE_SPI;
+#elif defined(CONFIG_SPL_MMC_SUPPORT)
+	return BOOT_DEVICE_MMC1;
+#elif defined(CONFIG_SPL_NAND_SUPPORT)
+	return BOOT_DEVICE_NAND;
+#elif defined(CONFIG_SPL_NOR_SUPPORT)
+	return BOOT_DEVICE_NOR;
+#else
+	return BOOT_DEVICE_NONE;
+#endif
+}