| // 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, UTF_SCAN_PDATA | UTF_SCAN_FDT); |