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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
*/
#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);
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