// 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;