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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <dm/test.h>
- #include <regmap.h>
- #include <reset.h>
- #include <syscon.h>
- #include <test/ut.h>
- #include <asm/test.h>
- #include <linux/bitops.h>
- /* The following values must match the device tree */
- #define TEST_RESET_REG 1
- #define TEST_RESET_ASSERT_HIGH 0
- #define TEST_RESET_ASSERT (TEST_RESET_ASSERT_HIGH ? (u32)-1 : (u32)0)
- #define TEST_RESET_DEASSERT (~TEST_RESET_ASSERT)
- #define TEST_RESET_VALID 15
- #define TEST_RESET_NOMASK 30
- #define TEST_RESET_OUTOFRANGE 60
- static int dm_test_syscon_reset(struct unit_test_state *uts)
- {
- struct regmap *map;
- struct reset_ctl rst;
- struct udevice *reset;
- struct udevice *syscon;
- struct udevice *syscon_reset;
- uint reg;
- ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "syscon-reset-test",
- &reset));
- ut_assertok(uclass_get_device_by_name(UCLASS_SYSCON, "syscon@0",
- &syscon));
- ut_assertok(uclass_get_device_by_name(UCLASS_RESET, "syscon-reset",
- &syscon_reset));
- ut_assertok_ptr((map = syscon_get_regmap(syscon)));
- ut_asserteq(-EINVAL, reset_get_by_name(reset, "no_mask", &rst));
- ut_asserteq(-EINVAL, reset_get_by_name(reset, "out_of_range", &rst));
- ut_assertok(reset_get_by_name(reset, "valid", &rst));
- sandbox_set_enable_memio(true);
- ut_assertok(regmap_write(map, TEST_RESET_REG, TEST_RESET_DEASSERT));
- ut_assertok(reset_assert(&rst));
- ut_assertok(regmap_read(map, TEST_RESET_REG, ®));
- ut_asserteq(TEST_RESET_DEASSERT ^ BIT(TEST_RESET_VALID), reg);
- ut_assertok(reset_deassert(&rst));
- ut_assertok(regmap_read(map, TEST_RESET_REG, ®));
- ut_asserteq(TEST_RESET_DEASSERT, reg);
- return 0;
- }
- DM_TEST(dm_test_syscon_reset, UT_TESTF_SCAN_FDT);
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