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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Simon Glass6c51df62015-06-23 15:39:04 -06002/*
3 * Copyright (c) 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
Simon Glass6c51df62015-06-23 15:39:04 -06005 */
6
7#ifndef __RAM_H
8#define __RAM_H
9
Tom Rini03de3052024-05-20 13:35:03 -060010#include <linux/types.h>
11
Simon Glass401d1c42020-10-30 21:38:53 -060012struct udevice;
13
Simon Glass6c51df62015-06-23 15:39:04 -060014struct ram_info {
15 phys_addr_t base;
16 size_t size;
17};
18
19struct ram_ops {
20 /**
21 * get_info() - Get basic memory info
22 *
23 * @dev: Device to check (UCLASS_RAM)
24 * @info: Place to put info
25 * @return 0 if OK, -ve on error
26 */
27 int (*get_info)(struct udevice *dev, struct ram_info *info);
28};
29
30#define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops)
31
32/**
33 * ram_get_info() - Get information about a RAM device
34 *
35 * @dev: Device to check (UCLASS_RAM)
36 * @info: Returns RAM info
Heinrich Schuchardt185f8122022-01-19 18:05:50 +010037 * Return: 0 if OK, -ve on error
Simon Glass6c51df62015-06-23 15:39:04 -060038 */
39int ram_get_info(struct udevice *dev, struct ram_info *info);
40
41#endif