aboutsummaryrefslogtreecommitdiff
path: root/test/dm/mailbox.c
blob: 4562d2ac4f83e7fa8c88a9bb8c20addd694e1343 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2016, NVIDIA CORPORATION.
 */

#include <common.h>
#include <dm.h>
#include <dm/test.h>
#include <asm/mbox.h>
#include <test/ut.h>

static int dm_test_mailbox(struct unit_test_state *uts)
{
	struct udevice *dev;
	uint32_t msg;

	ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "mbox-test", &dev));
	ut_assertok(sandbox_mbox_test_get(dev));

	ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
	ut_assertok(sandbox_mbox_test_send(dev, 0xaaff9955UL));
	ut_assertok(sandbox_mbox_test_recv(dev, &msg));
	ut_asserteq(msg, 0xaaff9955UL ^ SANDBOX_MBOX_PING_XOR);
	ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));

	ut_assertok(sandbox_mbox_test_free(dev));

	return 0;
}
DM_TEST(dm_test_mailbox, DM_TESTF_SCAN_FDT);