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git01.mediatek.com / filogic / uboot / 088fb5d195a506e87f226c76e6f18df78b0d776a / . / test / dm / sysreset.c
blob: 33a8bfb33c436dbf452842a54607c9161a8f1efb [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Stephen Warren859f2562016-05-12 12:03:35 -0600[diff] [blame]2/*
3 * Copyright (C) 2015 Google, Inc
Stephen Warren859f2562016-05-12 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
48/* Test that we can walk through the sysreset devices */
49static int dm_test_sysreset_walk(struct unit_test_state *uts)
50{
51 struct sandbox_state *state = state_get_current();
52
53 /* If we generate a power sysreset, we will exit sandbox! */
54 state->sysreset_allowed[SYSRESET_POWER] = false;
55 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
56 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
57 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
58
59 /*
60 * Enable cold system reset - this should make cold system reset work,
61 * plus a warm system reset should be promoted to cold, since this is
62 * the next step along.
63 */
64 state->sysreset_allowed[SYSRESET_COLD] = true;
65 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
66 ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD));
67 ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
68 state->sysreset_allowed[SYSRESET_COLD] = false;
69 state->sysreset_allowed[SYSRESET_POWER] = true;
70
71 return 0;
72}
73DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);