blob: 5e94c072b6582b42534ebe7560009573395c1e6b [file] [log] [blame]
Stephen Warren11636252016-05-12 12:03:35 -06001/*
2 * Copyright (C) 2015 Google, Inc
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
8#include <dm.h>
9#include <sysreset.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 we can use particular sysreset devices */
16static int dm_test_sysreset_base(struct unit_test_state *uts)
17{
18 struct sandbox_state *state = state_get_current();
19 struct udevice *dev;
20
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));
26
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));
32
33 state->sysreset_allowed[SYSRESET_WARM] = true;
34 ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM));
35 state->sysreset_allowed[SYSRESET_WARM] = false;
36
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;
44
45 return 0;
46}
47DM_TEST(dm_test_sysreset_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
48
49/* Test that we can walk through the sysreset devices */
50static int dm_test_sysreset_walk(struct unit_test_state *uts)
51{
52 struct sandbox_state *state = state_get_current();
53
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));
59
60 /*
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.
64 */
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;
71
72 return 0;
73}
74DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);