1 // SPDX-License-Identifier: GPL-2.0+
5 #include <dt-structs.h>
9 #include <asm/global_data.h>
11 /* Test that we can find a device using of-platdata */
12 static int dm_test_of_plat_base(struct unit_test_state *uts)
16 ut_assertok(uclass_first_device_err(UCLASS_SERIAL, &dev));
17 ut_asserteq_str("sandbox_serial", dev->name);
21 DM_TEST(dm_test_of_plat_base, UT_TESTF_SCAN_PDATA);
23 /* Test that we can read properties from a device */
24 static int dm_test_of_plat_props(struct unit_test_state *uts)
26 struct dtd_sandbox_spl_test *plat;
31 ut_assertok(uclass_first_device_err(UCLASS_MISC, &dev));
32 ut_asserteq_str("sandbox_clk_test", dev->name);
34 ut_assertok(uclass_next_device_err(&dev));
35 plat = dev_get_plat(dev);
36 ut_assert(plat->boolval);
37 ut_asserteq(1, plat->intval);
38 ut_asserteq(4, ARRAY_SIZE(plat->intarray));
39 ut_asserteq(2, plat->intarray[0]);
40 ut_asserteq(3, plat->intarray[1]);
41 ut_asserteq(4, plat->intarray[2]);
42 ut_asserteq(0, plat->intarray[3]);
43 ut_asserteq(5, plat->byteval);
44 ut_asserteq(3, ARRAY_SIZE(plat->bytearray));
45 ut_asserteq(6, plat->bytearray[0]);
46 ut_asserteq(0, plat->bytearray[1]);
47 ut_asserteq(0, plat->bytearray[2]);
48 ut_asserteq(9, ARRAY_SIZE(plat->longbytearray));
49 for (i = 0; i < ARRAY_SIZE(plat->longbytearray); i++)
50 ut_asserteq(9 + i, plat->longbytearray[i]);
51 ut_asserteq_str("message", plat->stringval);
52 ut_asserteq(3, ARRAY_SIZE(plat->stringarray));
53 ut_asserteq_str("multi-word", plat->stringarray[0]);
54 ut_asserteq_str("message", plat->stringarray[1]);
55 ut_asserteq_str("", plat->stringarray[2]);
57 ut_assertok(uclass_next_device_err(&dev));
58 plat = dev_get_plat(dev);
59 ut_assert(!plat->boolval);
60 ut_asserteq(3, plat->intval);
61 ut_asserteq(5, plat->intarray[0]);
62 ut_asserteq(0, plat->intarray[1]);
63 ut_asserteq(0, plat->intarray[2]);
64 ut_asserteq(0, plat->intarray[3]);
65 ut_asserteq(8, plat->byteval);
66 ut_asserteq(3, ARRAY_SIZE(plat->bytearray));
67 ut_asserteq(1, plat->bytearray[0]);
68 ut_asserteq(0x23, plat->bytearray[1]);
69 ut_asserteq(0x34, plat->bytearray[2]);
70 for (i = 0; i < ARRAY_SIZE(plat->longbytearray); i++)
71 ut_asserteq(i < 4 ? 9 + i : 0, plat->longbytearray[i]);
72 ut_asserteq_str("message2", plat->stringval);
73 ut_asserteq_str("another", plat->stringarray[0]);
74 ut_asserteq_str("multi-word", plat->stringarray[1]);
75 ut_asserteq_str("message", plat->stringarray[2]);
77 ut_assertok(uclass_next_device_err(&dev));
78 plat = dev_get_plat(dev);
79 ut_assert(!plat->boolval);
80 ut_asserteq_str("one", plat->stringarray[0]);
81 ut_asserteq_str("", plat->stringarray[1]);
82 ut_asserteq_str("", plat->stringarray[2]);
84 ut_assertok(uclass_next_device_err(&dev));
85 plat = dev_get_plat(dev);
86 ut_assert(!plat->boolval);
87 ut_asserteq_str("spl", plat->stringarray[0]);
89 ut_asserteq(-ENODEV, uclass_next_device_err(&dev));
93 DM_TEST(dm_test_of_plat_props, UT_TESTF_SCAN_PDATA);
96 * find_driver_info - recursively find the driver_info for a device
98 * This sets found[idx] to true when it finds the driver_info record for a
99 * device, where idx is the index in the driver_info linker list.
102 * @parent: Parent to search
103 * @found: bool array to update
104 * @return 0 if OK, non-zero on error
106 static int find_driver_info(struct unit_test_state *uts, struct udevice *parent,
111 /* If not the root device, find the entry that caused it to be bound */
112 if (parent->parent) {
114 ll_entry_count(struct driver_info, driver_info);
118 for (i = 0; i < n_ents; i++) {
119 const struct driver_rt *drt = gd_dm_driver_rt() + i;
121 if (drt->dev == parent) {
128 ut_assert(idx != -1);
131 device_foreach_child(dev, parent) {
134 ret = find_driver_info(uts, dev, found);
142 /* Check that every device is recorded in its driver_info struct */
143 static int dm_test_of_plat_dev(struct unit_test_state *uts)
145 const int n_ents = ll_entry_count(struct driver_info, driver_info);
149 /* Skip this test if there is no platform data */
150 if (CONFIG_IS_ENABLED(OF_PLATDATA_INST))
153 /* Record the indexes that are found */
154 memset(found, '\0', sizeof(found));
155 ut_assertok(find_driver_info(uts, gd->dm_root, found));
157 /* Make sure that the driver entries without devices have no ->dev */
158 for (i = 0; i < n_ents; i++) {
159 const struct driver_rt *drt = gd_dm_driver_rt() + i;
163 /* Make sure we can find it */
164 ut_assertnonnull(drt->dev);
165 ut_assertok(device_get_by_ofplat_idx(i, &dev));
166 ut_asserteq_ptr(dev, drt->dev);
168 ut_assertnull(drt->dev);
169 ut_asserteq(-ENOENT, device_get_by_ofplat_idx(i, &dev));
175 DM_TEST(dm_test_of_plat_dev, UT_TESTF_SCAN_PDATA);
177 /* Test handling of phandles that point to other devices */
178 static int dm_test_of_plat_phandle(struct unit_test_state *uts)
180 struct dtd_sandbox_clk_test *plat;
181 struct udevice *dev, *clk;
183 ut_assertok(uclass_first_device_err(UCLASS_MISC, &dev));
184 ut_asserteq_str("sandbox_clk_test", dev->name);
185 plat = dev_get_plat(dev);
187 ut_assertok(device_get_by_ofplat_idx(plat->clocks[0].idx, &clk));
188 ut_asserteq_str("sandbox_fixed_clock", clk->name);
190 ut_assertok(device_get_by_ofplat_idx(plat->clocks[1].idx, &clk));
191 ut_asserteq_str("sandbox_clk", clk->name);
192 ut_asserteq(1, plat->clocks[1].arg[0]);
194 ut_assertok(device_get_by_ofplat_idx(plat->clocks[2].idx, &clk));
195 ut_asserteq_str("sandbox_clk", clk->name);
196 ut_asserteq(0, plat->clocks[2].arg[0]);
198 ut_assertok(device_get_by_ofplat_idx(plat->clocks[3].idx, &clk));
199 ut_asserteq_str("sandbox_clk", clk->name);
200 ut_asserteq(3, plat->clocks[3].arg[0]);
202 ut_assertok(device_get_by_ofplat_idx(plat->clocks[4].idx, &clk));
203 ut_asserteq_str("sandbox_clk", clk->name);
204 ut_asserteq(2, plat->clocks[4].arg[0]);
208 DM_TEST(dm_test_of_plat_phandle, UT_TESTF_SCAN_PDATA);
210 #if CONFIG_IS_ENABLED(OF_PLATDATA_PARENT)
211 /* Test that device parents are correctly set up */
212 static int dm_test_of_plat_parent(struct unit_test_state *uts)
214 struct udevice *rtc, *i2c;
216 ut_assertok(uclass_first_device_err(UCLASS_RTC, &rtc));
217 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
218 ut_asserteq_ptr(i2c, dev_get_parent(rtc));
222 DM_TEST(dm_test_of_plat_parent, UT_TESTF_SCAN_PDATA);