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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Simon Glass3a2f3bd2015-06-23 15:39:04 -06002/*
3 * Copyright (c) 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
Simon Glass3a2f3bd2015-06-23 15:39:04 -06005 */
6
7#ifndef __RAM_H
8#define __RAM_H
9
Simon Glass3ba929a2020-10-30 21:38:53 -060010struct udevice;
11
Simon Glass3a2f3bd2015-06-23 15:39:04 -060012struct 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
Heinrich Schuchardt47b4c022022-01-19 18:05:50 +010035 * Return: 0 if OK, -ve on error
Simon Glass3a2f3bd2015-06-23 15:39:04 -060036 */
37int ram_get_info(struct udevice *dev, struct ram_info *info);
38
39#endif