xref: /OK3568_Linux_fs/u-boot/drivers/ram/ram-uclass.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2015 Google, Inc
3*4882a593Smuzhiyun  * Written by Simon Glass <sjg@chromium.org>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <ram.h>
10*4882a593Smuzhiyun #include <dm.h>
11*4882a593Smuzhiyun #include <errno.h>
12*4882a593Smuzhiyun #include <dm/lists.h>
13*4882a593Smuzhiyun #include <dm/root.h>
14*4882a593Smuzhiyun 
ram_get_info(struct udevice * dev,struct ram_info * info)15*4882a593Smuzhiyun int ram_get_info(struct udevice *dev, struct ram_info *info)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	struct ram_ops *ops = ram_get_ops(dev);
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	if (!ops->get_info)
20*4882a593Smuzhiyun 		return -ENOSYS;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	return ops->get_info(dev, info);
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun UCLASS_DRIVER(ram) = {
26*4882a593Smuzhiyun 	.id		= UCLASS_RAM,
27*4882a593Smuzhiyun 	.name		= "ram",
28*4882a593Smuzhiyun };
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