// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2020 NXP */ #include #include #include #include #include static int dm_test_fdtdec_set_carveout(struct unit_test_state *uts) { struct fdt_memory resv; void *blob; const fdt32_t *prop; int blob_sz, len, offset; blob_sz = fdt_totalsize(gd->fdt_blob) + 4096; blob = malloc(blob_sz); ut_assertnonnull(blob); /* Make a writtable copy of the fdt blob */ ut_assertok(fdt_open_into(gd->fdt_blob, blob, blob_sz)); resv.start = 0x1000; resv.end = 0x2000; ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 2, "test_resv1", &resv)); resv.start = 0x10000; resv.end = 0x20000; ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 1, "test_resv2", &resv)); resv.start = 0x100000; resv.end = 0x200000; ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 0, "test_resv3", &resv)); offset = fdt_path_offset(blob, "/a-test"); ut_assert(offset > 0); prop = fdt_getprop(blob, offset, "memory-region", &len); ut_assertnonnull(prop); ut_asserteq(len, 12); ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[0])) > 0); ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[1])) > 0); ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[2])) > 0); free(blob); return 0; } DM_TEST(dm_test_fdtdec_set_carveout, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);