1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
12 #include <test/test.h>
15 /* Test that we can use particular sysreset devices */
16 static int dm_test_sysreset_base(struct unit_test_state *uts)
18 struct sandbox_state *state = state_get_current();
21 /* Device 0 is the platform data device - it should never respond */
22 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 0, &dev));
23 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_WARM));
24 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_COLD));
25 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_POWER));
27 /* Device 1 is the warm sysreset device */
28 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
29 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_WARM));
30 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_COLD));
31 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_POWER));
33 state->sysreset_allowed[SYSRESET_WARM] = true;
34 ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM));
35 state->sysreset_allowed[SYSRESET_WARM] = false;
37 /* Device 2 is the cold sysreset device */
38 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
39 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_WARM));
40 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD));
41 state->sysreset_allowed[SYSRESET_POWER] = false;
42 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_POWER));
43 state->sysreset_allowed[SYSRESET_POWER] = true;
47 DM_TEST(dm_test_sysreset_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
49 static int dm_test_sysreset_get_status(struct unit_test_state *uts)
54 /* Device 1 is the warm sysreset device */
55 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
56 ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
57 ut_asserteq_str("Reset Status: WARM", msg);
59 /* Device 2 is the cold sysreset device */
60 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
61 ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
62 ut_asserteq_str("Reset Status: COLD", msg);
66 DM_TEST(dm_test_sysreset_get_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
68 /* Test that we can walk through the sysreset devices */
69 static int dm_test_sysreset_walk(struct unit_test_state *uts)
71 struct sandbox_state *state = state_get_current();
73 /* If we generate a power sysreset, we will exit sandbox! */
74 state->sysreset_allowed[SYSRESET_POWER] = false;
75 state->sysreset_allowed[SYSRESET_POWER_OFF] = false;
76 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
77 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
78 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
81 * Enable cold system reset - this should make cold system reset work,
82 * plus a warm system reset should be promoted to cold, since this is
83 * the next step along.
85 state->sysreset_allowed[SYSRESET_COLD] = true;
86 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
87 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD));
88 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
89 state->sysreset_allowed[SYSRESET_COLD] = false;
90 state->sysreset_allowed[SYSRESET_POWER] = true;
94 DM_TEST(dm_test_sysreset_walk, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
96 static int dm_test_sysreset_get_last(struct unit_test_state *uts)
100 /* Device 1 is the warm sysreset device */
101 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
102 ut_asserteq(SYSRESET_WARM, sysreset_get_last(dev));
104 /* Device 2 is the cold sysreset device */
105 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
106 ut_asserteq(SYSRESET_POWER, sysreset_get_last(dev));
108 /* This is device 0, the non-DT one */
109 ut_asserteq(SYSRESET_POWER, sysreset_get_last_walk());
113 DM_TEST(dm_test_sysreset_get_last, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);