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authorChris Laplante <chris@laplante.io>2023-08-22 17:31:02 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-08-22 17:31:02 +0100
commita9c9bbee855877293683012942d3485d50f286af (patch)
tree4644f9ef14421310efd53d236913a81c74113268
parentc7bb6fa6afb427f9538bf2f95ea55e8a1ce8da60 (diff)
qtest: microbit-test: add tests for nRF51 DETECT
Exercise the DETECT mechanism of the GPIO peripheral. Signed-off-by: Chris Laplante <chris@laplante.io> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230728160324.1159090-7-chris@laplante.io [PMM: fixed coding style nits] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--tests/qtest/microbit-test.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/qtest/microbit-test.c b/tests/qtest/microbit-test.c
index 6022a92b6a..2abcad8e31 100644
--- a/tests/qtest/microbit-test.c
+++ b/tests/qtest/microbit-test.c
@@ -393,6 +393,49 @@ static void test_nrf51_gpio(void)
qtest_quit(qts);
}
+static void test_nrf51_gpio_detect(void)
+{
+ QTestState *qts = qtest_init("-M microbit");
+ int i;
+
+ /* Connect input buffer on pins 1-7, configure SENSE for high level */
+ for (i = 1; i <= 7; i++) {
+ qtest_writel(qts, NRF51_GPIO_BASE + NRF51_GPIO_REG_CNF_START + i * 4,
+ deposit32(0, 16, 2, 2));
+ }
+
+ qtest_irq_intercept_out_named(qts, "/machine/nrf51/gpio", "detect");
+
+ for (i = 1; i <= 7; i++) {
+ /* Set pin high */
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", i, 1);
+ uint32_t actual = qtest_readl(qts, NRF51_GPIO_BASE + NRF51_GPIO_REG_IN);
+ g_assert_cmpuint(actual, ==, 1 << i);
+
+ /* Check that DETECT is high */
+ g_assert_true(qtest_get_irq(qts, 0));
+
+ /* Set pin low, check that DETECT goes low. */
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", i, 0);
+ actual = qtest_readl(qts, NRF51_GPIO_BASE + NRF51_GPIO_REG_IN);
+ g_assert_cmpuint(actual, ==, 0x0);
+ g_assert_false(qtest_get_irq(qts, 0));
+ }
+
+ /* Set pin 0 high, check that DETECT doesn't fire */
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", 0, 1);
+ g_assert_false(qtest_get_irq(qts, 0));
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", 0, 0);
+
+ /* Set pins 1, 2, and 3 high, then set 3 low. Check DETECT is still high */
+ for (i = 1; i <= 3; i++) {
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", i, 1);
+ }
+ g_assert_true(qtest_get_irq(qts, 0));
+ qtest_set_irq_in(qts, "/machine/nrf51", "unnamed-gpio-in", 3, 0);
+ g_assert_true(qtest_get_irq(qts, 0));
+}
+
static void timer_task(QTestState *qts, hwaddr task)
{
qtest_writel(qts, NRF51_TIMER_BASE + task, NRF51_TRIGGER_TASK);
@@ -499,6 +542,7 @@ int main(int argc, char **argv)
qtest_add_func("/microbit/nrf51/uart", test_nrf51_uart);
qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio);
+ qtest_add_func("/microbit/nrf51/gpio_detect", test_nrf51_gpio_detect);
qtest_add_func("/microbit/nrf51/nvmc", test_nrf51_nvmc);
qtest_add_func("/microbit/nrf51/timer", test_nrf51_timer);
qtest_add_func("/microbit/microbit/i2c", test_microbit_i2c);