GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/mach-aspeed/ast_wdt.c

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Google, Inc
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/wdt.h>
+#include <linux/err.h>
+
+u32 ast_reset_mode_from_flags(ulong flags)
+{
+	return flags & WDT_CTRL_RESET_MASK;
+}
+
+u32 ast_reset_mask_from_flags(ulong flags)
+{
+	return flags >> 2;
+}
+
+ulong ast_flags_from_reset_mode_mask(u32 reset_mode, u32 reset_mask)
+{
+	ulong ret = reset_mode & WDT_CTRL_RESET_MASK;
+
+	if (ret == WDT_CTRL_RESET_SOC)
+		ret |= (reset_mask << 2);
+
+	return ret;
+}