LXR uboot/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 */
  18static 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}
  43DM_TEST(dm_test_spi_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  44