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