2018-05-06 21:58:06 +00:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0+ */
|
2015-06-23 21:39:04 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright (c) 2015 Google, Inc
|
|
|
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __RAM_H
|
|
|
|
|
#define __RAM_H
|
|
|
|
|
|
|
|
|
|
struct ram_info {
|
|
|
|
|
phys_addr_t base;
|
|
|
|
|
size_t size;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct ram_ops {
|
|
|
|
|
/**
|
|
|
|
|
* get_info() - Get basic memory info
|
|
|
|
|
*
|
|
|
|
|
* @dev: Device to check (UCLASS_RAM)
|
|
|
|
|
* @info: Place to put info
|
|
|
|
|
* @return 0 if OK, -ve on error
|
|
|
|
|
*/
|
|
|
|
|
int (*get_info)(struct udevice *dev, struct ram_info *info);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops)
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* ram_get_info() - Get information about a RAM device
|
|
|
|
|
*
|
|
|
|
|
* @dev: Device to check (UCLASS_RAM)
|
|
|
|
|
* @info: Returns RAM info
|
|
|
|
|
* @return 0 if OK, -ve on error
|
|
|
|
|
*/
|
|
|
|
|
int ram_get_info(struct udevice *dev, struct ram_info *info);
|
|
|
|
|
|
|
|
|
|
#endif
|
