xref: /openbmc/u-boot/test/dm/wdt.c (revision a818704b)
1 /*
2  * Copyright 2017 Google, Inc
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <wdt.h>
10 #include <asm/state.h>
11 #include <asm/test.h>
12 #include <dm/test.h>
13 #include <test/ut.h>
14 
15 /* Test that watchdog driver functions are called */
16 static int dm_test_wdt_base(struct unit_test_state *uts)
17 {
18 	struct sandbox_state *state = state_get_current();
19 	struct udevice *dev;
20 	const u64 timeout = 42;
21 
22 	ut_assertok(uclass_get_device(UCLASS_WDT, 0, &dev));
23 	ut_assertnonnull(dev);
24 	ut_asserteq(0, state->wdt.counter);
25 	ut_asserteq(false, state->wdt.running);
26 
27 	ut_assertok(wdt_start(dev, timeout, 0));
28 	ut_asserteq(timeout, state->wdt.counter);
29 	ut_asserteq(true, state->wdt.running);
30 
31 	uint reset_count = state->wdt.reset_count;
32 	ut_assertok(wdt_reset(dev));
33 	ut_asserteq(reset_count + 1, state->wdt.reset_count);
34 	ut_asserteq(true, state->wdt.running);
35 
36 	ut_assertok(wdt_stop(dev));
37 	ut_asserteq(false, state->wdt.running);
38 
39 	return 0;
40 }
41 DM_TEST(dm_test_wdt_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
42