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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, DM_TESTF_SCAN_FDT);
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