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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2013 Google, Inc */ #include <command.h> #include <dm.h> #include <fdtdec.h> #include <mapmem.h> #include <os.h> #include <spi.h> #include <spi_flash.h> #include <asm/state.h> #include <asm/test.h> #include <dm/test.h> #include <dm/util.h> #include <test/test.h> #include <test/ut.h> /* Simple test of sandbox SPI flash */ static int dm_test_spi_flash(struct unit_test_state *uts) { struct udevice *dev, *emul; int full_size = 0x200000; int size = 0x10000; u8 *src, *dst; uint map_size; ulong map_base; uint offset; char pathname[256]; int i; src = map_sysmem(0x20000, full_size); ut_assertok(os_persistent_file(pathname, sizeof(pathname), "spi.bin")); ut_assertok(os_write_file(pathname, src, full_size)); ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev)); dst = map_sysmem(0x20000 + full_size, full_size); ut_assertok(spi_flash_read_dm(dev, 0, size, dst)); ut_asserteq_mem(src, dst, size); /* Erase */ ut_assertok(spi_flash_erase_dm(dev, 0, size)); ut_assertok(spi_flash_read_dm(dev, 0, size, dst)); for (i = 0; i < size; i++) ut_asserteq(dst[i], 0xff); /* Write some new data */ for (i = 0; i < size; i++) src[i] = i; ut_assertok(spi_flash_write_dm(dev, 0, size, src)); ut_assertok(spi_flash_read_dm(dev, 0, size, dst)); ut_asserteq_mem(src, dst, size); /* Try the write-protect stuff */ ut_assertok(uclass_first_device_err(UCLASS_SPI_EMUL, &emul)); ut_asserteq(0, spl_flash_get_sw_write_prot(dev)); sandbox_sf_set_block_protect(emul, 1); ut_asserteq(1, spl_flash_get_sw_write_prot(dev)); sandbox_sf_set_block_protect(emul, 0); ut_asserteq(0, spl_flash_get_sw_write_prot(dev)); /* Check mapping */ ut_assertok(dm_spi_get_mmap(dev, &map_base, &map_size, &offset)); ut_asserteq(0x1000, map_base); ut_asserteq(0x2000, map_size); ut_asserteq(0x100, offset); /* * Since we are about to destroy all devices, we must tell sandbox * to forget the emulation device */ sandbox_sf_unbind_emul(state_get_current(), 0, 0); return 0; } DM_TEST(dm_test_spi_flash, UTF_SCAN_PDATA | UTF_SCAN_FDT); /* Functional test that sandbox SPI flash works correctly */ static int dm_test_spi_flash_func(struct unit_test_state *uts) { /* * Create an empty test file and run the SPI flash tests. This is a * long way from being a unit test, but it does test SPI device and * emulator binding, probing, the SPI flash emulator including * device tree decoding, plus the file-based backing store of SPI. * * More targeted tests could be created to perform the above steps * one at a time. This might not increase test coverage much, but * it would make bugs easier to find. It's not clear whether the * benefit is worth the extra complexity. */ ut_asserteq(0, run_command_list( "host save hostfs - 0 spi.bin 200000;" "sf probe;" "sf test 0 10000", -1, 0)); /* * Since we are about to destroy all devices, we must tell sandbox * to forget the emulation device */ sandbox_sf_unbind_emul(state_get_current(), 0, 0); return 0; } DM_TEST(dm_test_spi_flash_func, UTF_SCAN_PDATA | UTF_SCAN_FDT); |