From: Steffen Görtz <cont...@steffen-goertz.de> The test suite for the nRF51 GPIO peripheral for now only tests initial state. Additionally a set of tests testing an implementation detail of the model are included.
Signed-off-by: Steffen Görtz <cont...@steffen-goertz.de> Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com> Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> Message-id: 20190103091119.9367-8-stefa...@redhat.com [PMM: fixed stray space at start of file] Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- tests/Makefile.include | 2 + tests/microbit-test.c | 160 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 162 insertions(+) create mode 100644 tests/microbit-test.c diff --git a/tests/Makefile.include b/tests/Makefile.include index 3f5a1d0c308..9c84bbd8296 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -277,6 +277,7 @@ check-qtest-sparc64-y += tests/boot-serial-test$(EXESUF) check-qtest-arm-y += tests/tmp105-test$(EXESUF) check-qtest-arm-y += tests/pca9552-test$(EXESUF) check-qtest-arm-y += tests/ds1338-test$(EXESUF) +check-qtest-arm-y += tests/microbit-test$(EXESUF) check-qtest-arm-y += tests/m25p80-test$(EXESUF) check-qtest-arm-y += tests/virtio-blk-test$(EXESUF) check-qtest-arm-y += tests/test-arm-mptimer$(EXESUF) @@ -708,6 +709,7 @@ tests/pxe-test$(EXESUF): tests/pxe-test.o tests/boot-sector.o $(libqos-obj-y) tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y) tests/pca9552-test$(EXESUF): tests/pca9552-test.o $(libqos-omap-obj-y) tests/ds1338-test$(EXESUF): tests/ds1338-test.o $(libqos-imx-obj-y) +tests/microbit-test$(EXESUF): tests/microbit-test.o tests/m25p80-test$(EXESUF): tests/m25p80-test.o tests/i440fx-test$(EXESUF): tests/i440fx-test.o $(libqos-pc-obj-y) tests/q35-test$(EXESUF): tests/q35-test.o $(libqos-pc-obj-y) diff --git a/tests/microbit-test.c b/tests/microbit-test.c new file mode 100644 index 00000000000..f0a180cbc6f --- /dev/null +++ b/tests/microbit-test.c @@ -0,0 +1,160 @@ +/* + * QTest testcase for Microbit board using the Nordic Semiconductor nRF51 SoC. + * + * nRF51: + * Reference Manual: http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.pdf + * Product Spec: http://infocenter.nordicsemi.com/pdf/nRF51822_PS_v3.1.pdf + * + * Microbit Board: http://microbit.org/ + * + * Copyright 2018 Steffen Görtz <cont...@steffen-goertz.de> + * + * This code is licensed under the GPL version 2 or later. See + * the COPYING file in the top-level directory. + */ + + +#include "qemu/osdep.h" +#include "exec/hwaddr.h" +#include "libqtest.h" + +#include "hw/arm/nrf51.h" +#include "hw/gpio/nrf51_gpio.h" + +static void test_nrf51_gpio(void) +{ + size_t i; + uint32_t actual, expected; + + struct { + hwaddr addr; + uint32_t expected; + } const reset_state[] = { + {NRF51_GPIO_REG_OUT, 0x00000000}, {NRF51_GPIO_REG_OUTSET, 0x00000000}, + {NRF51_GPIO_REG_OUTCLR, 0x00000000}, {NRF51_GPIO_REG_IN, 0x00000000}, + {NRF51_GPIO_REG_DIR, 0x00000000}, {NRF51_GPIO_REG_DIRSET, 0x00000000}, + {NRF51_GPIO_REG_DIRCLR, 0x00000000} + }; + + /* Check reset state */ + for (i = 0; i < ARRAY_SIZE(reset_state); i++) { + expected = reset_state[i].expected; + actual = readl(NRF51_GPIO_BASE + reset_state[i].addr); + g_assert_cmpuint(actual, ==, expected); + } + + for (i = 0; i < NRF51_GPIO_PINS; i++) { + expected = 0x00000002; + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START + i * 4); + g_assert_cmpuint(actual, ==, expected); + } + + /* Check dir bit consistency between dir and cnf */ + /* Check set via DIRSET */ + expected = 0x80000001; + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIRSET, expected); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIR); + g_assert_cmpuint(actual, ==, expected); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_END) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + + /* Check clear via DIRCLR */ + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIRCLR, 0x80000001); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIR); + g_assert_cmpuint(actual, ==, 0x00000000); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_END) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + + /* Check set via DIR */ + expected = 0x80000001; + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIR, expected); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIR); + g_assert_cmpuint(actual, ==, expected); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_END) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + + /* Reset DIR */ + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_DIR, 0x00000000); + + /* Check Input propagates */ + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0x00); + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 0); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 1); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, -1); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0x02); + + /* Check pull-up working */ + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 0); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b0000); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b1110); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0x02); + + /* Check pull-down working */ + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 1); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b0000); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b0110); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0x02); + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, -1); + + /* Check Output propagates */ + irq_intercept_out("/machine/nrf51"); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b0011); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_OUTSET, 0x01); + g_assert_true(get_irq(0)); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_OUTCLR, 0x01); + g_assert_false(get_irq(0)); + + /* Check self-stimulation */ + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b01); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_OUTSET, 0x01); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x01); + + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_OUTCLR, 0x01); + actual = readl(NRF51_GPIO_BASE + NRF51_GPIO_REG_IN) & 0x01; + g_assert_cmpuint(actual, ==, 0x00); + + /* + * Check short-circuit - generates an guest_error which must be checked + * manually as long as qtest can not scan qemu_log messages + */ + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START, 0b01); + writel(NRF51_GPIO_BASE + NRF51_GPIO_REG_OUTSET, 0x01); + qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 0); +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + + global_qtest = qtest_initf("-machine microbit"); + + qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio); + + ret = g_test_run(); + + qtest_quit(global_qtest); + return ret; +} -- 2.19.2
