135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2020 NXP
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*/
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#include <common.h>
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#include <dm.h>
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#include <asm/global_data.h>
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#include <dm/of_extra.h>
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#include <dm/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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static int dm_test_fdtdec_set_carveout(struct unit_test_state *uts)
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{
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struct fdt_memory resv;
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void *blob;
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const fdt32_t *prop;
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int blob_sz, len, offset;
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blob_sz = fdt_totalsize(gd->fdt_blob) + 4096;
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blob = malloc(blob_sz);
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ut_assertnonnull(blob);
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/* Make a writable copy of the fdt blob */
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ut_assertok(fdt_open_into(gd->fdt_blob, blob, blob_sz));
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resv.start = 0x1000;
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resv.end = 0x2000;
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ut_assertok(fdtdec_set_carveout(blob, "/a-test",
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"memory-region", 2, "test_resv1",
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&resv));
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resv.start = 0x10000;
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resv.end = 0x20000;
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ut_assertok(fdtdec_set_carveout(blob, "/a-test",
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"memory-region", 1, "test_resv2",
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&resv));
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resv.start = 0x100000;
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resv.end = 0x200000;
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ut_assertok(fdtdec_set_carveout(blob, "/a-test",
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"memory-region", 0, "test_resv3",
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&resv));
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offset = fdt_path_offset(blob, "/a-test");
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ut_assert(offset > 0);
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prop = fdt_getprop(blob, offset, "memory-region", &len);
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ut_assertnonnull(prop);
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ut_asserteq(len, 12);
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ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[0])) > 0);
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ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[1])) > 0);
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ut_assert(fdt_node_offset_by_phandle(blob, fdt32_to_cpu(prop[2])) > 0);
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free(blob);
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return 0;
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}
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DM_TEST(dm_test_fdtdec_set_carveout,
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UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
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static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
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{
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struct fdt_memory resv;
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fdt_addr_t addr;
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fdt_size_t size;
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void *blob;
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int blob_sz, parent, subnode;
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uint32_t phandle, phandle1;
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blob_sz = fdt_totalsize(gd->fdt_blob) + 128;
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blob = malloc(blob_sz);
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ut_assertnonnull(blob);
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/* Make a writable copy of the fdt blob */
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ut_assertok(fdt_open_into(gd->fdt_blob, blob, blob_sz));
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/* Insert a memory region in /reserved-memory node */
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resv.start = 0x1000;
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resv.end = 0x1fff;
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ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region",
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&resv, &phandle, false));
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/* Test /reserve-memory and its subnode should exist */
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parent = fdt_path_offset(blob, "/reserved-memory");
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ut_assert(parent > 0);
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subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region");
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ut_assert(subnode > 0);
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/* Test reg property of /reserved-memory/rsvd_region node */
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addr = fdtdec_get_addr_size_auto_parent(blob, parent, subnode,
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"reg", 0, &size, false);
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ut_assert(addr == resv.start);
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ut_assert(size == resv.end - resv.start + 1);
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/* Insert another memory region in /reserved-memory node */
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subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region1");
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ut_assert(subnode < 0);
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resv.start = 0x2000;
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resv.end = 0x2fff;
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ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region1",
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&resv, &phandle1, true));
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subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region1");
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ut_assert(subnode > 0);
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/* check that no-map property is present */
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ut_assert(fdt_getprop(blob, subnode, "no-map", NULL) > 0);
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/* phandles must be different */
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ut_assert(phandle != phandle1);
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/*
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* Insert a 3rd memory region with the same addr/size as the 1st one,
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* but a new node should not be inserted due to the same addr/size.
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*/
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resv.start = 0x1000;
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resv.end = 0x1fff;
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ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region2",
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&resv, &phandle1, false));
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subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region2");
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ut_assert(subnode < 0);
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/* phandle must be same as the 1st one */
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ut_assert(phandle == phandle1);
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free(blob);
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return 0;
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}
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DM_TEST(dm_test_fdtdec_add_reserved_memory,
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UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
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