1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Google, Inc
4 */
5
6 #include <dm.h>
7 #include <mmc.h>
8 #include <part.h>
9 #include <dm/test.h>
10 #include <test/test.h>
11 #include <test/ut.h>
12
13 /*
14 * Basic test of the mmc uclass. We could expand this by implementing an MMC
15 * stack for sandbox, or at least implementing the basic operation.
16 */
dm_test_mmc_base(struct unit_test_state * uts)17 static int dm_test_mmc_base(struct unit_test_state *uts)
18 {
19 struct udevice *dev;
20
21 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
22
23 return 0;
24 }
25 DM_TEST(dm_test_mmc_base, UTF_SCAN_PDATA | UTF_SCAN_FDT);
26
dm_test_mmc_blk(struct unit_test_state * uts)27 static int dm_test_mmc_blk(struct unit_test_state *uts)
28 {
29 struct udevice *dev;
30 struct blk_desc *dev_desc;
31 int i;
32 char write[4 * 512], read[4 * 512];
33
34 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
35 ut_assertok(blk_get_device_by_str("mmc", "0", &dev_desc));
36
37 /* Write a few blocks and verify that we get the same data back */
38 ut_asserteq(512, dev_desc->blksz);
39 for (i = 0; i < sizeof(write); i++)
40 write[i] = i;
41 ut_asserteq(4, blk_dwrite(dev_desc, 0, 4, write));
42 ut_asserteq(4, blk_dread(dev_desc, 0, 4, read));
43 ut_asserteq_mem(write, read, sizeof(write));
44
45 /* Now erase two of them [1 - 2] and verify all blocks */
46 memset(&write[512], '\0', 2 * 512);
47 ut_asserteq(2, blk_derase(dev_desc, 1, 2));
48 ut_asserteq(4, blk_dread(dev_desc, 0, 4, read));
49 ut_asserteq_mem(write, read, sizeof(write));
50
51 return 0;
52 }
53 DM_TEST(dm_test_mmc_blk, UTF_SCAN_PDATA | UTF_SCAN_FDT);
54