test/dm/wdt.c

   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_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);