Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 49 insertions, 0 deletions

diff --git a/roms/u-boot/test/dm/read.c b/roms/u-boot/test/dm/read.c
new file mode 100644
index 000000000..7768aa296
--- /dev/null
+++ b/roms/u-boot/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);