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>
diff --git a/arch/arm/mach-mediatek/cpu.c b/arch/arm/mach-mediatek/cpu.c
new file mode 100644
index 0000000..b37e299
--- /dev/null
+++ b/arch/arm/mach-mediatek/cpu.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <wdt.h>
+#include <dm/uclass-internal.h>
+
+int arch_misc_init(void)
+{
+ struct udevice *wdt;
+ int ret;
+
+ ret = uclass_first_device_err(UCLASS_WDT, &wdt);
+ if (!ret)
+ wdt_stop(wdt);
+
+ return 0;
+}
+
+int arch_cpu_init(void)
+{
+ icache_enable();
+
+ return 0;
+}
+
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}