xref: /openbmc/u-boot/drivers/ram/sandbox_ram.c (revision cbd2fba1)
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 #include <common.h>
8 #include <dm.h>
9 #include <errno.h>
10 #include <ram.h>
11 #include <asm/test.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 static int sandbox_get_info(struct udevice *dev, struct ram_info *info)
16 {
17 	info->base = 0;
18 	info->size = gd->ram_size;
19 
20 	return 0;
21 }
22 
23 static const struct ram_ops sandbox_ram_ops = {
24 	.get_info	= sandbox_get_info,
25 };
26 
27 static const struct udevice_id sandbox_ram_ids[] = {
28 	{ .compatible = "sandbox,ram" },
29 	{ }
30 };
31 
32 U_BOOT_DRIVER(warm_ram_sandbox) = {
33 	.name		= "ram_sandbox",
34 	.id		= UCLASS_RAM,
35 	.of_match	= sandbox_ram_ids,
36 	.ops		= &sandbox_ram_ops,
37 };
38