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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1705418119537100003 From: In=C3=A8s Varhol Tested-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Alistair Francis Signed-off-by: Arnaud Minier Signed-off-by: In=C3=A8s Varhol Message-id: 20240109194438.70934-4-ines.varhol@telecom-paris.fr Signed-off-by: Peter Maydell --- tests/qtest/stm32l4x5_syscfg-test.c | 331 ++++++++++++++++++++++++++++ tests/qtest/meson.build | 3 +- 2 files changed, 333 insertions(+), 1 deletion(-) create mode 100644 tests/qtest/stm32l4x5_syscfg-test.c diff --git a/tests/qtest/stm32l4x5_syscfg-test.c b/tests/qtest/stm32l4x5_sy= scfg-test.c new file mode 100644 index 00000000000..ed4801798d4 --- /dev/null +++ b/tests/qtest/stm32l4x5_syscfg-test.c @@ -0,0 +1,331 @@ +/* + * QTest testcase for STM32L4x5_SYSCFG + * + * Copyright (c) 2023 Arnaud Minier + * Copyright (c) 2023 In=C3=A8s Varhol + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "libqtest-single.h" + +#define SYSCFG_BASE_ADDR 0x40010000 +#define SYSCFG_MEMRMP 0x00 +#define SYSCFG_CFGR1 0x04 +#define SYSCFG_EXTICR1 0x08 +#define SYSCFG_EXTICR2 0x0C +#define SYSCFG_EXTICR3 0x10 +#define SYSCFG_EXTICR4 0x14 +#define SYSCFG_SCSR 0x18 +#define SYSCFG_CFGR2 0x1C +#define SYSCFG_SWPR 0x20 +#define SYSCFG_SKR 0x24 +#define SYSCFG_SWPR2 0x28 +#define INVALID_ADDR 0x2C + +static void syscfg_writel(unsigned int offset, uint32_t value) +{ + writel(SYSCFG_BASE_ADDR + offset, value); +} + +static uint32_t syscfg_readl(unsigned int offset) +{ + return readl(SYSCFG_BASE_ADDR + offset); +} + +static void syscfg_set_irq(int num, int level) +{ + qtest_set_irq_in(global_qtest, "/machine/soc/syscfg", + NULL, num, level); +} + +static void system_reset(void) +{ + QDict *response; + response =3D qtest_qmp(global_qtest, "{'execute': 'system_reset'}"); + g_assert(qdict_haskey(response, "return")); + qobject_unref(response); +} + +static void test_reset(void) +{ + /* + * Test that registers are initialized at the correct values + */ + g_assert_cmpuint(syscfg_readl(SYSCFG_MEMRMP), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR1), =3D=3D, 0x7C000001); + + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR1), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR2), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR3), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR4), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_SCSR), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR2), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_SWPR), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_SKR), =3D=3D, 0x00000000); + + g_assert_cmpuint(syscfg_readl(SYSCFG_SWPR2), =3D=3D, 0x00000000); +} + +static void test_reserved_bits(void) +{ + /* + * Test that reserved bits stay at reset value + * (which is 0 for all of them) by writing '1' + * in all reserved bits (keeping reset value for + * other bits) and checking that the + * register is still at reset value + */ + syscfg_writel(SYSCFG_MEMRMP, 0xFFFFFEF8); + g_assert_cmpuint(syscfg_readl(SYSCFG_MEMRMP), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_CFGR1, 0x7F00FEFF); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR1), =3D=3D, 0x7C000001); + + syscfg_writel(SYSCFG_EXTICR1, 0xFFFF0000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR1), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR2, 0xFFFF0000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR2), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR3, 0xFFFF0000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR3), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR4, 0xFFFF0000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR4), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_SKR, 0xFFFFFF00); + g_assert_cmpuint(syscfg_readl(SYSCFG_SKR), =3D=3D, 0x00000000); +} + +static void test_set_and_clear(void) +{ + /* + * Test that regular bits can be set and cleared + */ + syscfg_writel(SYSCFG_MEMRMP, 0x00000107); + g_assert_cmpuint(syscfg_readl(SYSCFG_MEMRMP), =3D=3D, 0x00000107); + syscfg_writel(SYSCFG_MEMRMP, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_MEMRMP), =3D=3D, 0x00000000); + + /* cfgr1 bit 0 is clear only so we keep it set */ + syscfg_writel(SYSCFG_CFGR1, 0xFCFF0101); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR1), =3D=3D, 0xFCFF0101); + syscfg_writel(SYSCFG_CFGR1, 0x00000001); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR1), =3D=3D, 0x00000001); + + syscfg_writel(SYSCFG_EXTICR1, 0x0000FFFF); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR1), =3D=3D, 0x0000FFFF); + syscfg_writel(SYSCFG_EXTICR1, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR1), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR2, 0x0000FFFF); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR2), =3D=3D, 0x0000FFFF); + syscfg_writel(SYSCFG_EXTICR2, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR2), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR3, 0x0000FFFF); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR3), =3D=3D, 0x0000FFFF); + syscfg_writel(SYSCFG_EXTICR3, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR3), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_EXTICR4, 0x0000FFFF); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR4), =3D=3D, 0x0000FFFF); + syscfg_writel(SYSCFG_EXTICR4, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_EXTICR4), =3D=3D, 0x00000000); + + syscfg_writel(SYSCFG_SKR, 0x000000FF); + g_assert_cmpuint(syscfg_readl(SYSCFG_SKR), =3D=3D, 0x000000FF); + syscfg_writel(SYSCFG_SKR, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_SKR), =3D=3D, 0x00000000); +} + +static void test_clear_by_writing_1(void) +{ + /* + * Test that writing '1' doesn't set the bit + */ + syscfg_writel(SYSCFG_CFGR2, 0x00000100); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR2), =3D=3D, 0x00000000); +} + +static void test_set_only_bits(void) +{ + /* + * Test that set only bits stay can't be cleared + */ + syscfg_writel(SYSCFG_CFGR2, 0x0000000F); + syscfg_writel(SYSCFG_CFGR2, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR2), =3D=3D, 0x0000000F); + + syscfg_writel(SYSCFG_SWPR, 0xFFFFFFFF); + syscfg_writel(SYSCFG_SWPR, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_SWPR), =3D=3D, 0xFFFFFFFF); + + syscfg_writel(SYSCFG_SWPR2, 0xFFFFFFFF); + syscfg_writel(SYSCFG_SWPR2, 0x00000000); + g_assert_cmpuint(syscfg_readl(SYSCFG_SWPR2), =3D=3D, 0xFFFFFFFF); + + system_reset(); +} + +static void test_clear_only_bits(void) +{ + /* + * Test that clear only bits stay can't be set + */ + syscfg_writel(SYSCFG_CFGR1, 0x00000000); + syscfg_writel(SYSCFG_CFGR1, 0x00000001); + g_assert_cmpuint(syscfg_readl(SYSCFG_CFGR1), =3D=3D, 0x00000000); + + system_reset(); +} + +static void test_interrupt(void) +{ + /* + * Test that GPIO rising lines result in an irq + * with the right configuration + */ + qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + + /* GPIOA is the default source for EXTI lines 0 to 15 */ + + syscfg_set_irq(0, 1); + + g_assert_true(get_irq(0)); + + + syscfg_set_irq(15, 1); + + g_assert_true(get_irq(15)); + + /* Configure GPIOB[1] as the source input for EXTI1 */ + syscfg_writel(SYSCFG_EXTICR1, 0x00000010); + + syscfg_set_irq(17, 1); + + g_assert_true(get_irq(1)); + + /* Clean the test */ + syscfg_writel(SYSCFG_EXTICR1, 0x00000000); + syscfg_set_irq(0, 0); + syscfg_set_irq(15, 0); + syscfg_set_irq(17, 0); +} + +static void test_irq_pin_multiplexer(void) +{ + /* + * Test that syscfg irq sets the right exti irq + */ + + qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + + syscfg_set_irq(0, 1); + + /* Check that irq 0 was set and irq 15 wasn't */ + g_assert_true(get_irq(0)); + g_assert_false(get_irq(15)); + + /* Clean the test */ + syscfg_set_irq(0, 0); + + syscfg_set_irq(15, 1); + + /* Check that irq 15 was set and irq 0 wasn't */ + g_assert_true(get_irq(15)); + g_assert_false(get_irq(0)); + + /* Clean the test */ + syscfg_set_irq(15, 0); +} + +static void test_irq_gpio_multiplexer(void) +{ + /* + * Test that an irq is generated only by the right GPIO + */ + + qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + + /* GPIOA is the default source for EXTI lines 0 to 15 */ + + /* Check that setting rising pin GPIOA[0] generates an irq */ + syscfg_set_irq(0, 1); + + g_assert_true(get_irq(0)); + + /* Clean the test */ + syscfg_set_irq(0, 0); + + /* Check that setting rising pin GPIOB[0] doesn't generate an irq */ + syscfg_set_irq(16, 1); + + g_assert_false(get_irq(0)); + + /* Clean the test */ + syscfg_set_irq(16, 0); + + /* Configure GPIOB[0] as the source input for EXTI0 */ + syscfg_writel(SYSCFG_EXTICR1, 0x00000001); + + /* Check that setting rising pin GPIOA[0] doesn't generate an irq */ + syscfg_set_irq(0, 1); + + g_assert_false(get_irq(0)); + + /* Clean the test */ + syscfg_set_irq(0, 0); + + /* Check that setting rising pin GPIOB[0] generates an irq */ + syscfg_set_irq(16, 1); + + g_assert_true(get_irq(0)); + + /* Clean the test */ + syscfg_set_irq(16, 0); + syscfg_writel(SYSCFG_EXTICR1, 0x00000000); +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + g_test_set_nonfatal_assertions(); + + qtest_add_func("stm32l4x5/syscfg/test_reset", test_reset); + qtest_add_func("stm32l4x5/syscfg/test_reserved_bits", + test_reserved_bits); + qtest_add_func("stm32l4x5/syscfg/test_set_and_clear", + test_set_and_clear); + qtest_add_func("stm32l4x5/syscfg/test_clear_by_writing_1", + test_clear_by_writing_1); + qtest_add_func("stm32l4x5/syscfg/test_set_only_bits", + test_set_only_bits); + qtest_add_func("stm32l4x5/syscfg/test_clear_only_bits", + test_clear_only_bits); + qtest_add_func("stm32l4x5/syscfg/test_interrupt", + test_interrupt); + qtest_add_func("stm32l4x5/syscfg/test_irq_pin_multiplexer", + test_irq_pin_multiplexer); + qtest_add_func("stm32l4x5/syscfg/test_irq_gpio_multiplexer", + test_irq_gpio_multiplexer); + + qtest_start("-machine b-l475e-iot01a"); + ret =3D g_test_run(); + qtest_end(); + + return ret; +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 07fdd2dc1a5..5e4bc3da85e 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -197,7 +197,8 @@ qtests_aspeed =3D \ 'aspeed_gpio-test'] =20 qtests_stm32l4x5 =3D \ - ['stm32l4x5_exti-test'] + ['stm32l4x5_exti-test', + 'stm32l4x5_syscfg-test'] =20 qtests_arm =3D \ (config_all_devices.has_key('CONFIG_MPS2') ? ['sse-timer-test'] : []) + \ --=20 2.34.1