xref: /openbmc/u-boot/test/dm/wdt.c (revision 5381c285)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2017 Google, Inc
4  */
5 
6 #include <common.h>
7 #include <dm.h>
8 #include <wdt.h>
9 #include <asm/state.h>
10 #include <asm/test.h>
11 #include <dm/test.h>
12 #include <test/ut.h>
13 
14 /* Test that watchdog driver functions are called */
15 static int dm_test_wdt_base(struct unit_test_state *uts)
16 {
17 	struct sandbox_state *state = state_get_current();
18 	struct udevice *dev;
19 	const u64 timeout = 42;
20 
21 	ut_assertok(uclass_get_device(UCLASS_WDT, 0, &dev));
22 	ut_assertnonnull(dev);
23 	ut_asserteq(0, state->wdt.counter);
24 	ut_asserteq(false, state->wdt.running);
25 
26 	ut_assertok(wdt_start(dev, timeout, 0));
27 	ut_asserteq(timeout, state->wdt.counter);
28 	ut_asserteq(true, state->wdt.running);
29 
30 	uint reset_count = state->wdt.reset_count;
31 	ut_assertok(wdt_reset(dev));
32 	ut_asserteq(reset_count + 1, state->wdt.reset_count);
33 	ut_asserteq(true, state->wdt.running);
34 
35 	ut_assertok(wdt_stop(dev));
36 	ut_asserteq(false, state->wdt.running);
37 
38 	return 0;
39 }
40 DM_TEST(dm_test_wdt_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
41