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	The description of the sysreset request method in <sysreset.h> says that the return value should be -EPROTONOSUPPORT if the requested reset type is not supported by this device. Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			119 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2015 Google, Inc
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 */
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#include <common.h>
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#include <dm.h>
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#include <sysreset.h>
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#include <asm/state.h>
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#include <asm/test.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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/* Test that we can use particular sysreset devices */
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static int dm_test_sysreset_base(struct unit_test_state *uts)
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{
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	struct sandbox_state *state = state_get_current();
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	struct udevice *dev;
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	/* Device 0 is the platform data device - it should never respond */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 0, &dev));
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	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_WARM));
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	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_COLD));
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	ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_POWER));
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	/* Device 1 is the warm sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
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	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_WARM));
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	ut_asserteq(-EPROTONOSUPPORT, sysreset_request(dev, SYSRESET_COLD));
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	ut_asserteq(-EPROTONOSUPPORT, sysreset_request(dev, SYSRESET_POWER));
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	state->sysreset_allowed[SYSRESET_WARM] = true;
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	ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM));
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	state->sysreset_allowed[SYSRESET_WARM] = false;
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	/* Device 2 is the cold sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
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	ut_asserteq(-EPROTONOSUPPORT, sysreset_request(dev, SYSRESET_WARM));
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	state->sysreset_allowed[SYSRESET_COLD] = false;
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	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD));
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	state->sysreset_allowed[SYSRESET_COLD] = true;
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	state->sysreset_allowed[SYSRESET_POWER] = false;
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	ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_POWER));
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	state->sysreset_allowed[SYSRESET_POWER] = true;
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	return 0;
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}
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DM_TEST(dm_test_sysreset_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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static int dm_test_sysreset_get_status(struct unit_test_state *uts)
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{
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	struct udevice *dev;
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	char msg[64];
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	/* Device 1 is the warm sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
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	ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
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	ut_asserteq_str("Reset Status: WARM", msg);
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	/* Device 2 is the cold sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
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	ut_assertok(sysreset_get_status(dev, msg, sizeof(msg)));
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	ut_asserteq_str("Reset Status: COLD", msg);
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	return 0;
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}
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DM_TEST(dm_test_sysreset_get_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test that we can walk through the sysreset devices */
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static int dm_test_sysreset_walk(struct unit_test_state *uts)
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{
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	struct sandbox_state *state = state_get_current();
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	/* If we generate a power sysreset, we will exit sandbox! */
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	state->sysreset_allowed[SYSRESET_WARM] = false;
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	state->sysreset_allowed[SYSRESET_COLD] = false;
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	state->sysreset_allowed[SYSRESET_POWER] = false;
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	state->sysreset_allowed[SYSRESET_POWER_OFF] = false;
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM));
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER_OFF));
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	/*
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	 * Enable cold system reset - this should make cold system reset work,
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	 * plus a warm system reset should be promoted to cold, since this is
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	 * the next step along.
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	 */
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	state->sysreset_allowed[SYSRESET_WARM] = true;
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	ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM));
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD));
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	ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER));
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	state->sysreset_allowed[SYSRESET_COLD] = true;
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	state->sysreset_allowed[SYSRESET_POWER] = true;
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	return 0;
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}
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DM_TEST(dm_test_sysreset_walk, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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static int dm_test_sysreset_get_last(struct unit_test_state *uts)
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{
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	struct udevice *dev;
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	/* Device 1 is the warm sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev));
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	ut_asserteq(SYSRESET_WARM, sysreset_get_last(dev));
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	/* Device 2 is the cold sysreset device */
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	ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev));
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	ut_asserteq(SYSRESET_POWER, sysreset_get_last(dev));
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	/* This is device 0, the non-DT one */
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	ut_asserteq(SYSRESET_POWER, sysreset_get_last_walk());
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	return 0;
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}
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DM_TEST(dm_test_sysreset_get_last, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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