2 * Copyright (C) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/state.h>
13 #include <dm/device-internal.h>
15 #include <dm/uclass-internal.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 /* Test that sandbox USB works correctly */
21 static int dm_test_usb_base(struct unit_test_state *uts)
25 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus));
26 ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus));
27 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus));
31 DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
34 * Test that we can use the flash stick. This is more of a functional test. It
35 * covers scanning the bug, setting up a hub and a flash stick and reading
36 * data from the flash stick.
38 static int dm_test_usb_flash(struct unit_test_state *uts)
41 block_dev_desc_t *dev_desc;
44 state_set_skip_delays(true);
45 ut_assertok(usb_init());
46 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
47 ut_assertok(get_device("usb", "0", &dev_desc));
49 /* Read a few blocks and look for the string we expect */
50 ut_asserteq(512, dev_desc->blksz);
51 memset(cmp, '\0', sizeof(cmp));
52 ut_asserteq(2, dev_desc->block_read(dev_desc->dev, 0, 2, cmp));
53 ut_assertok(strcmp(cmp, "this is a test"));
57 DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
59 /* test that we can handle multiple storage devices */
60 static int dm_test_usb_multi(struct unit_test_state *uts)
64 state_set_skip_delays(true);
65 ut_assertok(usb_init());
66 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
67 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
68 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
72 DM_TEST(dm_test_usb_multi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
74 static int count_usb_devices(void)
81 ret = uclass_get(UCLASS_USB_HUB, &uc);
85 uclass_foreach_dev(hub, uc) {
89 for (device_find_first_child(hub, &dev);
91 device_find_next_child(&dev)) {
99 /* test that we can remove an emulated device and it is then not found */
100 static int dm_test_usb_remove(struct unit_test_state *uts)
102 struct udevice *dev, *emul;
104 /* Scan and check that all devices are present */
105 state_set_skip_delays(true);
106 ut_assertok(usb_init());
107 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
108 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
109 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
110 ut_asserteq(5, count_usb_devices());
111 ut_assertok(usb_stop());
112 ut_asserteq(5, count_usb_devices());
114 /* Remove the second emulation device */
115 ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1",
117 ut_assertok(device_unbind(dev));
119 /* Rescan - only the first and third should be present */
120 ut_assertok(usb_init());
121 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
122 ut_assertok(usb_emul_find_for_dev(dev, &emul));
123 ut_asserteq_str("flash-stick@0", emul->name);
124 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
125 ut_assertok(usb_emul_find_for_dev(dev, &emul));
126 ut_asserteq_str("flash-stick@2", emul->name);
128 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
130 ut_asserteq(4, count_usb_devices());
131 ut_assertok(usb_stop());
132 ut_asserteq(4, count_usb_devices());
136 DM_TEST(dm_test_usb_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
138 const char usb_tree_base[] =
139 " 1 Hub (12 Mb/s, 100mA)\n"
140 " | sandbox hub 2345\n"
142 " |\b+-2 Mass Storage (12 Mb/s, 100mA)\n"
143 " | sandbox flash flash-stick@0\n"
145 " |\b+-3 Mass Storage (12 Mb/s, 100mA)\n"
146 " | sandbox flash flash-stick@1\n"
148 " |\b+-4 Mass Storage (12 Mb/s, 100mA)\n"
149 " sandbox flash flash-stick@2\n"
152 /* test that the 'usb tree' command output looks correct */
153 static int dm_test_usb_tree(struct unit_test_state *uts)
158 state_set_skip_delays(true);
159 ut_assertok(usb_init());
160 console_record_reset_enable();
162 len = membuff_getraw(&gd->console_out, -1, true, &data);
165 ut_asserteq_str(usb_tree_base, data);
166 ut_assertok(usb_stop());
170 DM_TEST(dm_test_usb_tree, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
172 const char usb_tree_remove[] =
173 " 1 Hub (12 Mb/s, 100mA)\n"
174 " | sandbox hub 2345\n"
176 " |\b+-2 Mass Storage (12 Mb/s, 100mA)\n"
177 " | sandbox flash flash-stick@0\n"
179 " |\b+-3 Mass Storage (12 Mb/s, 100mA)\n"
180 " sandbox flash flash-stick@2\n"
184 * test that the 'usb tree' command output looks correct when we remove a
187 static int dm_test_usb_tree_remove(struct unit_test_state *uts)
193 /* Remove the second emulation device */
194 ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1",
196 ut_assertok(device_unbind(dev));
198 state_set_skip_delays(true);
199 ut_assertok(usb_init());
200 console_record_reset_enable();
202 len = membuff_getraw(&gd->console_out, -1, true, &data);
205 ut_asserteq_str(usb_tree_remove, data);
206 ut_assertok(usb_stop());
210 DM_TEST(dm_test_usb_tree_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);