1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (c) 2015 Google, Inc
4  * Written by Simon Glass <sjg@chromium.org>
5  */
6 
7 #ifndef __RAM_H
8 #define __RAM_H
9 
10 struct ram_info {
11 	phys_addr_t base;
12 	size_t size;
13 };
14 
15 struct ram_ops {
16 	/**
17 	 * get_info() - Get basic memory info
18 	 *
19 	 * @dev:	Device to check (UCLASS_RAM)
20 	 * @info:	Place to put info
21 	 * @return 0 if OK, -ve on error
22 	 */
23 	int (*get_info)(struct udevice *dev, struct ram_info *info);
24 };
25 
26 #define ram_get_ops(dev)        ((struct ram_ops *)(dev)->driver->ops)
27 
28 /**
29  * ram_get_info() - Get information about a RAM device
30  *
31  * @dev:	Device to check (UCLASS_RAM)
32  * @info:	Returns RAM info
33  * @return 0 if OK, -ve on error
34  */
35 int ram_get_info(struct udevice *dev, struct ram_info *info);
36 
37 #endif
38