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// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (C) 2020 IBM Corp. */
#include <kunit/test.h>
static void aspeed_sdhci_phase_ddr52(struct kunit *test)
{
int rate = 52000000;
KUNIT_EXPECT_EQ(test, 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 0));
KUNIT_EXPECT_EQ(test, 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 1));
KUNIT_EXPECT_EQ(test, 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 2));
KUNIT_EXPECT_EQ(test, 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 3));
KUNIT_EXPECT_EQ(test, 2,
aspeed_sdhci_phase_to_tap(NULL, rate, 4));
KUNIT_EXPECT_EQ(test, 3,
aspeed_sdhci_phase_to_tap(NULL, rate, 5));
KUNIT_EXPECT_EQ(test, 14,
aspeed_sdhci_phase_to_tap(NULL, rate, 23));
KUNIT_EXPECT_EQ(test, 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 24));
KUNIT_EXPECT_EQ(test, 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 25));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 180));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 181));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 182));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 183));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 2,
aspeed_sdhci_phase_to_tap(NULL, rate, 184));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 3,
aspeed_sdhci_phase_to_tap(NULL, rate, 185));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 14,
aspeed_sdhci_phase_to_tap(NULL, rate, 203));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 204));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 205));
}
static void aspeed_sdhci_phase_hs200(struct kunit *test)
{
int rate = 200000000;
KUNIT_EXPECT_EQ(test, 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 0));
KUNIT_EXPECT_EQ(test, 0,
aspeed_sdhci_phase_to_tap(NULL, rate, 5));
KUNIT_EXPECT_EQ(test, 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 6));
KUNIT_EXPECT_EQ(test, 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 7));
KUNIT_EXPECT_EQ(test, 14,
aspeed_sdhci_phase_to_tap(NULL, rate, 89));
KUNIT_EXPECT_EQ(test, 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 90));
KUNIT_EXPECT_EQ(test, 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 91));
KUNIT_EXPECT_EQ(test, 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 96));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK,
aspeed_sdhci_phase_to_tap(NULL, rate, 180));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK,
aspeed_sdhci_phase_to_tap(NULL, rate, 185));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 186));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1,
aspeed_sdhci_phase_to_tap(NULL, rate, 187));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 14,
aspeed_sdhci_phase_to_tap(NULL, rate, 269));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 270));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 271));
KUNIT_EXPECT_EQ(test, ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15,
aspeed_sdhci_phase_to_tap(NULL, rate, 276));
}
static struct kunit_case aspeed_sdhci_test_cases[] = {
KUNIT_CASE(aspeed_sdhci_phase_ddr52),
KUNIT_CASE(aspeed_sdhci_phase_hs200),
{}
};
static struct kunit_suite aspeed_sdhci_test_suite = {
.name = "sdhci-of-aspeed",
.test_cases = aspeed_sdhci_test_cases,
};
static struct kunit_suite *aspeed_sdc_test_suite_array[] = {
&aspeed_sdhci_test_suite,
NULL,
};
static struct kunit_suite **aspeed_sdc_test_suites
__used __section(".kunit_test_suites") = aspeed_sdc_test_suite_array;
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