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
10struct udevice;
11
12struct ram_info {
13	phys_addr_t base;
14	size_t size;
15};
16
17struct ram_ops {
18	/**
19	 * get_info() - Get basic memory info
20	 *
21	 * @dev:	Device to check (UCLASS_RAM)
22	 * @info:	Place to put info
23	 * @return 0 if OK, -ve on error
24	 */
25	int (*get_info)(struct udevice *dev, struct ram_info *info);
26};
27
28#define ram_get_ops(dev)        ((struct ram_ops *)(dev)->driver->ops)
29
30/**
31 * ram_get_info() - Get information about a RAM device
32 *
33 * @dev:	Device to check (UCLASS_RAM)
34 * @info:	Returns RAM info
35 * Return: 0 if OK, -ve on error
36 */
37int ram_get_info(struct udevice *dev, struct ram_info *info);
38
39#endif
40