1 /*
2  * Copyright (c) 2016, NVIDIA CORPORATION.
3  *
4  * SPDX-License-Identifier: GPL-2.0
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <mailbox.h>
10 #include <asm/io.h>
11 
12 struct sandbox_mbox_test {
13 	struct mbox_chan chan;
14 };
15 
16 int sandbox_mbox_test_get(struct udevice *dev)
17 {
18 	struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
19 
20 	return mbox_get_by_name(dev, "test", &sbmt->chan);
21 }
22 
23 int sandbox_mbox_test_send(struct udevice *dev, uint32_t msg)
24 {
25 	struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
26 
27 	return mbox_send(&sbmt->chan, &msg);
28 }
29 
30 int sandbox_mbox_test_recv(struct udevice *dev, uint32_t *msg)
31 {
32 	struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
33 
34 	return mbox_recv(&sbmt->chan, msg, 100);
35 }
36 
37 int sandbox_mbox_test_free(struct udevice *dev)
38 {
39 	struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
40 
41 	return mbox_free(&sbmt->chan);
42 }
43 
44 static const struct udevice_id sandbox_mbox_test_ids[] = {
45 	{ .compatible = "sandbox,mbox-test" },
46 	{ }
47 };
48 
49 U_BOOT_DRIVER(sandbox_mbox_test) = {
50 	.name = "sandbox_mbox_test",
51 	.id = UCLASS_MISC,
52 	.of_match = sandbox_mbox_test_ids,
53 	.priv_auto_alloc_size = sizeof(struct sandbox_mbox_test),
54 };
55