summaryrefslogtreecommitdiff
path: root/test/dm/sysreset.c
blob: 691683c567400a119c541160cb2d942c67023dcd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2015 Google, Inc
 */

#include <common.h>
#include <dm.h>
#include <sysreset.h>
#include <asm/state.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>

/* Test that we can use particular sysreset devices */
static int dm_test_sysreset_base(struct unit_test_state *uts)
{
	struct sandbox_state *state = state_get_current();
	struct udevice *dev;

	/* Device 0 is the platform data device - it should never respond */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 0, &dev));
	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_WARM));
	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_COLD));
	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_POWER));

	/* Device 1 is the warm sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_WARM));
	ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_COLD));
	ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_POWER));

	state->sysreset_allowed[SYSRESET_WARM] = true;
	ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM));
	state->sysreset_allowed[SYSRESET_WARM] = false;

	/* Device 2 is the cold sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
	ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_WARM));
	state->sysreset_allowed[SYSRESET_COLD] = false;
	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD));
	state->sysreset_allowed[SYSRESET_COLD] = true;
	state->sysreset_allowed[SYSRESET_POWER] = false;
	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_POWER));
	state->sysreset_allowed[SYSRESET_POWER] = true;

	return 0;
}
DM_TEST(dm_test_sysreset_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);

static int dm_test_sysreset_get_status(struct unit_test_state *uts)
{
	struct udevice *dev;
	char msg[64];

	/* Device 1 is the warm sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
	ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
	ut_asserteq_str("Reset Status: WARM", msg);

	/* Device 2 is the cold sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
	ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
	ut_asserteq_str("Reset Status: COLD", msg);

	return 0;
}
DM_TEST(dm_test_sysreset_get_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);

/* Test that we can walk through the sysreset devices */
static int dm_test_sysreset_walk(struct unit_test_state *uts)
{
	struct sandbox_state *state = state_get_current();

	/* If we generate a power sysreset, we will exit sandbox! */
	state->sysreset_allowed[SYSRESET_WARM] = false;
	state->sysreset_allowed[SYSRESET_COLD] = false;
	state->sysreset_allowed[SYSRESET_POWER] = false;
	state->sysreset_allowed[SYSRESET_POWER_OFF] = false;
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER_OFF));

	/*
	 * Enable cold system reset - this should make cold system reset work,
	 * plus a warm system reset should be promoted to cold, since this is
	 * the next step along.
	 */
	state->sysreset_allowed[SYSRESET_WARM] = true;
	ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
	state->sysreset_allowed[SYSRESET_COLD] = true;
	state->sysreset_allowed[SYSRESET_POWER] = true;

	return 0;
}
DM_TEST(dm_test_sysreset_walk, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);

static int dm_test_sysreset_get_last(struct unit_test_state *uts)
{
	struct udevice *dev;

	/* Device 1 is the warm sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
	ut_asserteq(SYSRESET_WARM, sysreset_get_last(dev));

	/* Device 2 is the cold sysreset device */
	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
	ut_asserteq(SYSRESET_POWER, sysreset_get_last(dev));

	/* This is device 0, the non-DT one */
	ut_asserteq(SYSRESET_POWER, sysreset_get_last_walk());

	return 0;
}
DM_TEST(dm_test_sysreset_get_last, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);