test/dm/timer.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw>
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <timer.h>
   9 #include <dm/test.h>
  10 #include <dm/device-internal.h>
  11 #include <test/test.h>
  12 #include <test/ut.h>
  13 #include <asm/cpu.h>
  14
  15 /*
  16  * Basic test of the timer uclass.
  17  */
  18 static int dm_test_timer_base(struct unit_test_state *uts)
  19 {
  20         struct udevice *dev;
  21
  22         ut_assertok(uclass_get_device_by_name(UCLASS_TIMER, "timer@0", &dev));
  23         ut_asserteq(1000000, timer_get_rate(dev));
  24
  25         return 0;
  26 }
  27 DM_TEST(dm_test_timer_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  28
  29 /*
  30  * Test of timebase fallback
  31  */
  32 static int dm_test_timer_timebase_fallback(struct unit_test_state *uts)
  33 {
  34         struct udevice *dev;
  35
  36         cpu_sandbox_set_current("cpu-test1");
  37         ut_assertok(uclass_get_device_by_name(UCLASS_TIMER, "timer@1", &dev));
  38         ut_asserteq(3000000, timer_get_rate(dev));
  39         ut_assertok(device_remove(dev, DM_REMOVE_NORMAL));
  40
  41         cpu_sandbox_set_current("cpu-test2");
  42         ut_assertok(uclass_get_device_by_name(UCLASS_TIMER, "timer@1", &dev));
  43         ut_asserteq(2000000, timer_get_rate(dev));
  44
  45         cpu_sandbox_set_current("cpu-test1");
  46
  47         return 0;
  48 }
  49 DM_TEST(dm_test_timer_timebase_fallback,
  50         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);