[people/ms/u-boot.git] / test / dm / sysreset.c

/*
 * Copyright (C) 2015 Google, Inc
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <dm.h>
#include <sysreset.h>
#include <asm/state.h>
#include <asm/test.h>
#include <dm/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));
	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD));
	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, DM_TESTF_SCAN_PDATA | DM_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_POWER] = false;
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));

	/*
	 * 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_COLD] = true;
	ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
	ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD));
	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
	state->sysreset_allowed[SYSRESET_COLD] = false;
	state->sysreset_allowed[SYSRESET_POWER] = true;

	return 0;
}
DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Commit	Line	Data
11636258 SW	1	/*
	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 */
	16	static 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	}
	47	DM_TEST(dm_test_sysreset_base, DM_TESTF_SCAN_PDATA \| DM_TESTF_SCAN_FDT);
	48
	49	/* Test that we can walk through the sysreset devices */
	50	static 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	}
74	DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA \| DM_TESTF_SCAN_FDT);