1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2020 NXP
*/
#include <common.h>
#include <dm.h>
#include <dm/of_extra.h>
#include <dm/test.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
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 writable 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,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
{
struct fdt_memory resv;
fdt_addr_t addr;
fdt_size_t size;
void *blob;
int blob_sz, parent, subnode;
uint32_t phandle, phandle1;
blob_sz = fdt_totalsize(gd->fdt_blob) + 128;
blob = malloc(blob_sz);
ut_assertnonnull(blob);
/* Make a writable copy of the fdt blob */
ut_assertok(fdt_open_into(gd->fdt_blob, blob, blob_sz));
/* Insert a memory region in /reserved-memory node */
resv.start = 0x1000;
resv.end = 0x1fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region",
&resv, &phandle));
/* Test /reserve-memory and its subnode should exist */
parent = fdt_path_offset(blob, "/reserved-memory");
ut_assert(parent > 0);
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region");
ut_assert(subnode > 0);
/* Test reg property of /reserved-memory/rsvd_region node */
addr = fdtdec_get_addr_size_auto_parent(blob, parent, subnode,
"reg", 0, &size, false);
ut_assert(addr == resv.start);
ut_assert(size == resv.end - resv.start + 1);
/* Insert another memory region in /reserved-memory node */
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region1");
ut_assert(subnode < 0);
resv.start = 0x2000;
resv.end = 0x2fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region1",
&resv, &phandle1));
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region1");
ut_assert(subnode > 0);
/* phandles must be different */
ut_assert(phandle != phandle1);
/*
* Insert a 3rd memory region with the same addr/size as the 1st one,
* but a new node should not be inserted due to the same addr/size.
*/
resv.start = 0x1000;
resv.end = 0x1fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region2",
&resv, &phandle1));
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region2");
ut_assert(subnode < 0);
/* phandle must be same as the 1st one */
ut_assert(phandle == phandle1);
free(blob);
return 0;
}
DM_TEST(dm_test_fdtdec_add_reserved_memory,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
|
