test/dm/mmc.c

   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  */
  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
  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);