[U-Boot] [PATCH 09/18] dm: test: Add a test for the reset uclass
Simon Glass
sjg at chromium.org
Mon Jul 6 20:54:30 CEST 2015
Add tests that confirm that the drivers work as expected, and we can walk
through the available reset types trying to reset the board.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
test/dm/Makefile | 1 +
test/dm/reset.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 75 insertions(+)
create mode 100644 test/dm/reset.c
diff --git a/test/dm/Makefile b/test/dm/Makefile
index d781535..ee0c70a 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_DM_GPIO) += gpio.o
obj-$(CONFIG_DM_I2C) += i2c.o
obj-$(CONFIG_DM_PCI) += pci.o
obj-$(CONFIG_PINCTRL) += pinctrl.o
+obj-$(CONFIG_RESET) += reset.o
obj-$(CONFIG_DM_RTC) += rtc.o
obj-$(CONFIG_DM_SPI_FLASH) += sf.o
obj-$(CONFIG_DM_SPI) += spi.o
diff --git a/test/dm/reset.c b/test/dm/reset.c
new file mode 100644
index 0000000..5d53f25
--- /dev/null
+++ b/test/dm/reset.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <reset.h>
+#include <asm/state.h>
+#include <asm/test.h>
+#include <dm/test.h>
+#include <test/ut.h>
+
+/* Test that we can use particular reset devices */
+static int dm_test_reset_base(struct unit_test_state *uts)
+{
+ struct sandbox_state *state = state_get_current();
+ struct udevice *dev;
+
+ /* Device 0 is the platform data device - it should never respond */
+ ut_assertok(uclass_get_device(UCLASS_RESET, 0, &dev));
+ ut_asserteq(-ENODEV, reset_request(dev, RESET_WARM));
+ ut_asserteq(-ENODEV, reset_request(dev, RESET_COLD));
+ ut_asserteq(-ENODEV, reset_request(dev, RESET_POWER));
+
+ /* Device 1 is the warm reset device */
+ ut_assertok(uclass_get_device(UCLASS_RESET, 1, &dev));
+ ut_asserteq(-EACCES, reset_request(dev, RESET_WARM));
+ ut_asserteq(-ENOSYS, reset_request(dev, RESET_COLD));
+ ut_asserteq(-ENOSYS, reset_request(dev, RESET_POWER));
+
+ state->reset_allowed[RESET_WARM] = true;
+ ut_asserteq(-EINPROGRESS, reset_request(dev, RESET_WARM));
+ state->reset_allowed[RESET_WARM] = false;
+
+ /* Device 2 is the cold reset device */
+ ut_assertok(uclass_get_device(UCLASS_RESET, 2, &dev));
+ ut_asserteq(-ENOSYS, reset_request(dev, RESET_WARM));
+ ut_asserteq(-EACCES, reset_request(dev, RESET_COLD));
+ state->reset_allowed[RESET_POWER] = false;
+ ut_asserteq(-EACCES, reset_request(dev, RESET_POWER));
+ state->reset_allowed[RESET_POWER] = true;
+
+ return 0;
+}
+DM_TEST(dm_test_reset_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can walk through the reset devices */
+static int dm_test_reset_walk(struct unit_test_state *uts)
+{
+ struct sandbox_state *state = state_get_current();
+
+ /* If we generate a power reset, we will exit sandbox! */
+ state->reset_allowed[RESET_POWER] = false;
+ ut_asserteq(-EACCES, reset_walk(RESET_WARM));
+ ut_asserteq(-EACCES, reset_walk(RESET_COLD));
+ ut_asserteq(-EACCES, reset_walk(RESET_POWER));
+
+ /*
+ * Enable cold reset - this should make cold reset work, plus a warm
+ * reset should be promoted to cold, since this is the next step
+ * along.
+ */
+ state->reset_allowed[RESET_COLD] = true;
+ ut_asserteq(-EINPROGRESS, reset_walk(RESET_WARM));
+ ut_asserteq(-EINPROGRESS, reset_walk(RESET_COLD));
+ ut_asserteq(-EACCES, reset_walk(RESET_POWER));
+ state->reset_allowed[RESET_COLD] = false;
+ state->reset_allowed[RESET_POWER] = true;
+
+ return 0;
+}
+DM_TEST(dm_test_reset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
--
2.4.3.573.g4eafbef
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