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https://github.com/AsahiLinux/u-boot
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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/device.h>
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#include <dm/ofnode.h>
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#include <dm/root.h>
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#include <dm/test.h>
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#include <dm/uclass-internal.h>
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#include <test/ut.h>
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static int dm_test_dma_ranges(struct unit_test_state *uts)
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{
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struct udevice *dev;
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phys_addr_t cpu;
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dma_addr_t bus;
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ofnode node;
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u64 size;
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/* dma-ranges are on the device's node */
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node = ofnode_path("/mmio-bus@0");
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ut_assert(ofnode_valid(node));
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ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
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ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size));
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ut_asserteq_64(0x40000, size);
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ut_asserteq_64(0x0, cpu);
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ut_asserteq_64(0x10000000, bus);
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/* dma-ranges are on the bus' node */
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node = ofnode_path("/mmio-bus@0/subnode@0");
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ut_assert(ofnode_valid(node));
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ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
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ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size));
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ut_asserteq_64(0x40000, size);
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ut_asserteq_64(0x0, cpu);
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ut_asserteq_64(0x10000000, bus);
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/* No dma-ranges available */
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node = ofnode_path("/mmio-bus@1");
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ut_assert(ofnode_valid(node));
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ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
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ut_asserteq(-ENOENT, dev_get_dma_range(dev, &cpu, &bus, &size));
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return 0;
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}
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DM_TEST(dm_test_dma_ranges, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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