60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
// 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);
|