test/dm/sf.c

   1 /*
   2  * Copyright (C) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <fdtdec.h>
  10 #include <spi.h>
  11 #include <spi_flash.h>
  12 #include <asm/state.h>
  13 #include <dm/test.h>
  14 #include <dm/util.h>
  15 #include <test/ut.h>
  16
  17 /* Test that sandbox SPI flash works correctly */
  18 static int dm_test_spi_flash(struct unit_test_state *uts)
  19 {
  20         /*
  21          * Create an empty test file and run the SPI flash tests. This is a
  22          * long way from being a unit test, but it does test SPI device and
  23          * emulator binding, probing, the SPI flash emulator including
  24          * device tree decoding, plus the file-based backing store of SPI.
  25          *
  26          * More targeted tests could be created to perform the above steps
  27          * one at a time. This might not increase test coverage much, but
  28          * it would make bugs easier to find. It's not clear whether the
  29          * benefit is worth the extra complexity.
  30          */
  31         ut_asserteq(0, run_command_list(
  32                 "sb save hostfs - 0 spi.bin 200000;"
  33                 "sf probe;"
  34                 "sf test 0 10000", -1,  0));
  35         /*
  36          * Since we are about to destroy all devices, we must tell sandbox
  37          * to forget the emulation device
  38          */
  39         sandbox_sf_unbind_emul(state_get_current(), 0, 0);
  40
  41         return 0;
  42 }
  43 DM_TEST(dm_test_spi_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);