2 * Copyright (C) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/state.h>
15 /* Test that we can use particular reset devices */
16 static int dm_test_reset_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_RESET, 0, &dev));
23 ut_asserteq(-ENODEV, reset_request(dev, RESET_WARM));
24 ut_asserteq(-ENODEV, reset_request(dev, RESET_COLD));
25 ut_asserteq(-ENODEV, reset_request(dev, RESET_POWER));
27 /* Device 1 is the warm reset device */
28 ut_assertok(uclass_get_device(UCLASS_RESET, 1, &dev));
29 ut_asserteq(-EACCES, reset_request(dev, RESET_WARM));
30 ut_asserteq(-ENOSYS, reset_request(dev, RESET_COLD));
31 ut_asserteq(-ENOSYS, reset_request(dev, RESET_POWER));
33 state->reset_allowed[RESET_WARM] = true;
34 ut_asserteq(-EINPROGRESS, reset_request(dev, RESET_WARM));
35 state->reset_allowed[RESET_WARM] = false;
37 /* Device 2 is the cold reset device */
38 ut_assertok(uclass_get_device(UCLASS_RESET, 2, &dev));
39 ut_asserteq(-ENOSYS, reset_request(dev, RESET_WARM));
40 ut_asserteq(-EACCES, reset_request(dev, RESET_COLD));
41 state->reset_allowed[RESET_POWER] = false;
42 ut_asserteq(-EACCES, reset_request(dev, RESET_POWER));
43 state->reset_allowed[RESET_POWER] = true;
47 DM_TEST(dm_test_reset_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
49 /* Test that we can walk through the reset devices */
50 static int dm_test_reset_walk(struct unit_test_state *uts)
52 struct sandbox_state *state = state_get_current();
54 /* If we generate a power reset, we will exit sandbox! */
55 state->reset_allowed[RESET_POWER] = false;
56 ut_asserteq(-EACCES, reset_walk(RESET_WARM));
57 ut_asserteq(-EACCES, reset_walk(RESET_COLD));
58 ut_asserteq(-EACCES, reset_walk(RESET_POWER));
61 * Enable cold reset - this should make cold reset work, plus a warm
62 * reset should be promoted to cold, since this is the next step
65 state->reset_allowed[RESET_COLD] = true;
66 ut_asserteq(-EINPROGRESS, reset_walk(RESET_WARM));
67 ut_asserteq(-EINPROGRESS, reset_walk(RESET_COLD));
68 ut_asserteq(-EACCES, reset_walk(RESET_POWER));
69 state->reset_allowed[RESET_COLD] = false;
70 state->reset_allowed[RESET_POWER] = true;
74 DM_TEST(dm_test_reset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);