dm: test: Add test case for dev_get_dma_ranges()
Introduce some new nodes in sandbox's test device-tree and dm tests in
order to validate dev_get_dma_range().
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
diff --git a/test/dm/Makefile b/test/dm/Makefile
index e70e50f..c363ca4 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -15,6 +15,7 @@
obj-$(CONFIG_UT_DM) += test-uclass.o
obj-$(CONFIG_UT_DM) += core.o
+obj-$(CONFIG_UT_DM) += read.o
ifneq ($(CONFIG_SANDBOX),)
obj-$(CONFIG_ACPIGEN) += acpi.o
obj-$(CONFIG_ACPIGEN) += acpigen.o
diff --git a/test/dm/read.c b/test/dm/read.c
new file mode 100644
index 0000000..7768aa2
--- /dev/null
+++ b/test/dm/read.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/device.h>
+#include <dm/ofnode.h>
+#include <dm/root.h>
+#include <dm/test.h>
+#include <dm/uclass-internal.h>
+#include <test/ut.h>
+
+static int dm_test_dma_ranges(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ phys_addr_t cpu;
+ dma_addr_t bus;
+ ofnode node;
+ u64 size;
+
+ /* dma-ranges are on the device's node */
+ node = ofnode_path("/mmio-bus@0");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
+ ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size));
+ ut_asserteq_64(0x40000, size);
+ ut_asserteq_64(0x0, cpu);
+ ut_asserteq_64(0x10000000, bus);
+
+ /* dma-ranges are on the bus' node */
+ node = ofnode_path("/mmio-bus@0/subnode@0");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
+ ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size));
+ ut_asserteq_64(0x40000, size);
+ ut_asserteq_64(0x0, cpu);
+ ut_asserteq_64(0x10000000, bus);
+
+ /* No dma-ranges available */
+ node = ofnode_path("/mmio-bus@1");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
+ ut_asserteq(-ENOENT, dev_get_dma_range(dev, &cpu, &bus, &size));
+
+ return 0;
+}
+DM_TEST(dm_test_dma_ranges, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);