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/ut.h> 14 #include <dm/test.h> 15 #include <dm/util.h> 16 17 /* Test that sandbox SPI flash works correctly */ 18 static int dm_test_spi_flash(struct dm_test_state *dms) 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); 44