jcs.org
"Das U-Boot" Source Tree
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#include <linux/types.h>
11
12struct udevice;
13
14struct 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
37 * Return: 0 if OK, -ve on error
38 */
39int ram_get_info(struct udevice *dev, struct ram_info *info);
40
41#endif