1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Google, Inc
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <part.h>
9 #include <usb.h>
10 #include <asm/global_data.h>
11 #include <asm/state.h>
12 #include <dm/test.h>
13 #include <test/test.h>
14 #include <test/ut.h>
15
16 DECLARE_GLOBAL_DATA_PTR;
17
18 /* Test that block devices can be created */
dm_test_blk_base(struct unit_test_state * uts)19 static int dm_test_blk_base(struct unit_test_state *uts)
20 {
21 struct udevice *blk1, *blk3, *dev;
22
23 /* Create two, one the parent of the other */
24 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
25 IF_TYPE_HOST, 1, 512, 2, &blk1));
26 ut_assertok(blk_create_device(blk1, "sandbox_host_blk", "test",
27 IF_TYPE_HOST, 3, 512, 2, &blk3));
28
29 /* Check we can find them */
30 ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev));
31 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
32 ut_asserteq_ptr(blk1, dev);
33 ut_assertok(blk_get_device(IF_TYPE_HOST, 3, &dev));
34 ut_asserteq_ptr(blk3, dev);
35
36 /* Check we can iterate */
37 ut_assertok(blk_first_device(IF_TYPE_HOST, &dev));
38 ut_asserteq_ptr(blk1, dev);
39 ut_assertok(blk_next_device(&dev));
40 ut_asserteq_ptr(blk3, dev);
41
42 return 0;
43 }
44 DM_TEST(dm_test_blk_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
45
count_blk_devices(void)46 static int count_blk_devices(void)
47 {
48 struct udevice *blk;
49 struct uclass *uc;
50 int count = 0;
51 int ret;
52
53 ret = uclass_get(UCLASS_BLK, &uc);
54 if (ret)
55 return ret;
56
57 uclass_foreach_dev(blk, uc)
58 count++;
59
60 return count;
61 }
62
63 /* Test that block devices work correctly with USB */
dm_test_blk_usb(struct unit_test_state * uts)64 static int dm_test_blk_usb(struct unit_test_state *uts)
65 {
66 struct udevice *usb_dev, *dev;
67 struct blk_desc *dev_desc;
68
69 /* Get a flash device */
70 state_set_skip_delays(true);
71 ut_assertok(usb_init());
72 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev));
73 ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc));
74
75 /* The parent should be a block device */
76 ut_assertok(blk_get_device(IF_TYPE_USB, 0, &dev));
77 ut_asserteq_ptr(usb_dev, dev_get_parent(dev));
78
79 /* Check we have one block device for each mass storage device */
80 ut_asserteq(6, count_blk_devices());
81
82 /* Now go around again, making sure the old devices were unbound */
83 ut_assertok(usb_stop());
84 ut_assertok(usb_init());
85 ut_asserteq(6, count_blk_devices());
86 ut_assertok(usb_stop());
87
88 return 0;
89 }
90 DM_TEST(dm_test_blk_usb, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
91
92 /* Test that we can find block devices without probing them */
dm_test_blk_find(struct unit_test_state * uts)93 static int dm_test_blk_find(struct unit_test_state *uts)
94 {
95 struct udevice *blk, *dev;
96
97 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
98 IF_TYPE_HOST, 1, 512, 2, &blk));
99 ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev));
100 ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev));
101 ut_asserteq_ptr(blk, dev);
102 ut_asserteq(false, device_active(dev));
103
104 /* Now activate it */
105 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
106 ut_asserteq_ptr(blk, dev);
107 ut_asserteq(true, device_active(dev));
108
109 return 0;
110 }
111 DM_TEST(dm_test_blk_find, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
112
113 /* Test that block device numbering works as expected */
dm_test_blk_devnum(struct unit_test_state * uts)114 static int dm_test_blk_devnum(struct unit_test_state *uts)
115 {
116 struct udevice *dev, *mmc_dev, *parent;
117 int i;
118
119 /*
120 * Probe the devices, with the first one being probed last. This is the
121 * one with no alias / sequence numnber.
122 */
123 ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev));
124 ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev));
125 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
126 for (i = 0; i < 3; i++) {
127 struct blk_desc *desc;
128
129 /* Check that the bblock device is attached */
130 ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev));
131 ut_assertok(blk_find_device(IF_TYPE_MMC, i, &dev));
132 parent = dev_get_parent(dev);
133 ut_asserteq_ptr(parent, mmc_dev);
134 ut_asserteq(trailing_strtol(mmc_dev->name), i);
135
136 /*
137 * Check that the block device devnum matches its parent's
138 * sequence number
139 */
140 desc = dev_get_uclass_plat(dev);
141 ut_asserteq(desc->devnum, i);
142 }
143
144 return 0;
145 }
146 DM_TEST(dm_test_blk_devnum, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
147
148 /* Test that we can get a block from its parent */
dm_test_blk_get_from_parent(struct unit_test_state * uts)149 static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
150 {
151 struct udevice *dev, *blk;
152
153 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
154 ut_assertok(blk_get_from_parent(dev, &blk));
155
156 ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
157 ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
158
159 ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
160 ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
161
162 return 0;
163 }
164 DM_TEST(dm_test_blk_get_from_parent, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
165