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 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, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
49 /* Test that we can walk through the sysreset devices */
50 static int dm_test_sysreset_walk(struct unit_test_state *uts)
52 struct sandbox_state *state = state_get_current();
54 /* If we generate a power sysreset, we will exit sandbox! */
55 state->sysreset_allowed[SYSRESET_POWER] = false;
56 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
57 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
58 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
61 * Enable cold system reset - this should make cold system reset work,
62 * plus a warm system reset should be promoted to cold, since this is
63 * the next step along.
65 state->sysreset_allowed[SYSRESET_COLD] = true;
66 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
67 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD));
68 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
69 state->sysreset_allowed[SYSRESET_COLD] = false;
70 state->sysreset_allowed[SYSRESET_POWER] = true;
74 DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);