From ae51f41d14f548d494ac41e0d21137c5a4c3f59c Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Wed, 30 Oct 2019 14:21:52 +0800
Subject: import the U-Boot code and make it compile

---
 include/cache.h | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 include/cache.h

(limited to 'include/cache.h')

diff --git a/include/cache.h b/include/cache.h
new file mode 100644
index 0000000..32f59fd
--- /dev/null
+++ b/include/cache.h
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ */
+
+#ifndef __CACHE_H
+#define __CACHE_H
+
+/*
+ * Structure for the cache controller
+ */
+struct cache_info {
+	phys_addr_t base; /* Base physical address of cache device. */
+};
+
+struct cache_ops {
+	/**
+	 * get_info() - Get basic cache info
+	 *
+	 * @dev:	Device to check (UCLASS_CACHE)
+	 * @info:	Place to put info
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*get_info)(struct udevice *dev, struct cache_info *info);
+
+	/**
+	 * enable() - Enable cache
+	 *
+	 * @dev:	Device to check (UCLASS_CACHE)
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*enable)(struct udevice *dev);
+
+	/**
+	 * disable() - Flush and disable cache
+	 *
+	 * @dev:	Device to check (UCLASS_CACHE)
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*disable)(struct udevice *dev);
+};
+
+#define cache_get_ops(dev)	((struct cache_ops *)(dev)->driver->ops)
+
+/**
+ * cache_get_info() - Get information about a cache controller
+ *
+ * @dev:	Device to check (UCLASS_CACHE)
+ * @info:	Returns cache info
+ * @return 0 if OK, -ve on error
+ */
+int cache_get_info(struct udevice *dev, struct cache_info *info);
+
+/**
+ * cache_enable() - Enable cache
+ *
+ * @dev:	Device to check (UCLASS_CACHE)
+ * @return 0 if OK, -ve on error
+ */
+int cache_enable(struct udevice *dev);
+
+/**
+ * cache_disable() - Flush and disable cache
+ *
+ * @dev:	Device to check (UCLASS_CACHE)
+ * @return 0 if OK, -ve on error
+ */
+int cache_disable(struct udevice *dev);
+#endif
-- 
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