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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 9c888cca5e87e28e9addcffae9810fee481428a8 / . / test / dm / sysreset.c
blob: 04d4621d9e1ab7fd388f93e1086fae4135e0ab53 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Stephen Warren11636252016-05-12 12:03:35 -0600[diff] [blame]2/*
3 * Copyright (C) 2015 Google, Inc
Stephen Warren11636252016-05-12 12:03:35 -0600[diff] [blame]4 */
5
6#include <common.h>
7#include <dm.h>
8#include <sysreset.h>
9#include <asm/state.h>
10#include <asm/test.h>
11#include <dm/test.h>
12#include <test/ut.h>
13
14/* Test that we can use particular sysreset devices */
15static int dm_test_sysreset_base(struct unit_test_state *uts)
16{
17 struct sandbox_state *state = state_get_current();
18 struct udevice *dev;
19
20 /* Device 0 is the platform data device - it should never respond */
21 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 0, &dev));
22 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_WARM));
23 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_COLD));
24 ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_POWER));
25
26 /* Device 1 is the warm sysreset device */
27 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
28 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_WARM));
29 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_COLD));
30 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_POWER));
31
32 state->sysreset_allowed[SYSRESET_WARM] = true;
33 ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM));
34 state->sysreset_allowed[SYSRESET_WARM] = false;
35
36 /* Device 2 is the cold sysreset device */
37 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
38 ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_WARM));
39 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD));
40 state->sysreset_allowed[SYSRESET_POWER] = false;
41 ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_POWER));
42 state->sysreset_allowed[SYSRESET_POWER] = true;
43
44 return 0;
45}
46DM_TEST(dm_test_sysreset_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
47
Mario Sixcda46882018-08-06 10:23:33 +0200[diff] [blame]48static int dm_test_sysreset_get_status(struct unit_test_state *uts)
49{
50 struct udevice *dev;
51 char msg[64];
52
53 /* Device 1 is the warm sysreset device */
54 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
55 ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
56 ut_asserteq_str("Reset Status: WARM", msg);
57
58 /* Device 2 is the cold sysreset device */
59 ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
60 ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
61 ut_asserteq_str("Reset Status: COLD", msg);
62
63 return 0;
64}
65
66DM_TEST(dm_test_sysreset_get_status, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
67
Stephen Warren11636252016-05-12 12:03:35 -0600[diff] [blame]68/* Test that we can walk through the sysreset devices */
69static int dm_test_sysreset_walk(struct unit_test_state *uts)
70{
71 struct sandbox_state *state = state_get_current();
72
73 /* If we generate a power sysreset, we will exit sandbox! */
74 state->sysreset_allowed[SYSRESET_POWER] = false;
75 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
76 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
77 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
78
79 /*
80 * Enable cold system reset - this should make cold system reset work,
81 * plus a warm system reset should be promoted to cold, since this is
82 * the next step along.
83 */
84 state->sysreset_allowed[SYSRESET_COLD] = true;
85 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
86 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD));
87 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
88 state->sysreset_allowed[SYSRESET_COLD] = false;
89 state->sysreset_allowed[SYSRESET_POWER] = true;
90
91 return 0;
92}
93DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);