xref: /openbmc/u-boot/test/dm/usb.c (revision ed09a554)
1 /*
2  * Copyright (C) 2015 Google, Inc
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <usb.h>
10 #include <asm/io.h>
11 #include <dm/test.h>
12 #include <dm/ut.h>
13 
14 /* Test that sandbox USB works correctly */
15 static int dm_test_usb_base(struct dm_test_state *dms)
16 {
17 	struct udevice *bus;
18 
19 	ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus));
20 	ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus));
21 	ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus));
22 
23 	return 0;
24 }
25 DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
26 
27 /*
28  * Test that we can use the flash stick. This is more of a functional test. It
29  * covers scanning the bug, setting up a hub and a flash stick and reading
30  * data from the flash stick.
31  */
32 static int dm_test_usb_flash(struct dm_test_state *dms)
33 {
34 	struct udevice *dev;
35 	block_dev_desc_t *dev_desc;
36 	char cmp[1024];
37 
38 	ut_assertok(usb_init());
39 	ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
40 	ut_assertok(get_device("usb", "0", &dev_desc));
41 
42 	/* Read a few blocks and look for the string we expect */
43 	ut_asserteq(512, dev_desc->blksz);
44 	memset(cmp, '\0', sizeof(cmp));
45 	ut_asserteq(2, dev_desc->block_read(dev_desc->dev, 0, 2, cmp));
46 	ut_assertok(strcmp(cmp, "this is a test"));
47 
48 	return 0;
49 }
50 DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
51