1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2013 Google, Inc
12 #include <spi_flash.h>
13 #include <asm/state.h>
19 /* Simple test of sandbox SPI flash */
20 static int dm_test_spi_flash(struct unit_test_state *uts)
22 struct udevice *dev, *emul;
23 int full_size = 0x200000;
31 src = map_sysmem(0x20000, full_size);
32 ut_assertok(os_write_file("spi.bin", src, full_size));
33 ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev));
35 dst = map_sysmem(0x20000 + full_size, full_size);
36 ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
37 ut_assertok(memcmp(src, dst, size));
40 ut_assertok(spi_flash_erase_dm(dev, 0, size));
41 ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
42 for (i = 0; i < size; i++)
43 ut_asserteq(dst[i], 0xff);
45 /* Write some new data */
46 for (i = 0; i < size; i++)
48 ut_assertok(spi_flash_write_dm(dev, 0, size, src));
49 ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
50 ut_assertok(memcmp(src, dst, size));
52 /* Try the write-protect stuff */
53 ut_assertok(uclass_first_device_err(UCLASS_SPI_EMUL, &emul));
54 ut_asserteq(0, spl_flash_get_sw_write_prot(dev));
55 sandbox_sf_set_block_protect(emul, 1);
56 ut_asserteq(1, spl_flash_get_sw_write_prot(dev));
57 sandbox_sf_set_block_protect(emul, 0);
58 ut_asserteq(0, spl_flash_get_sw_write_prot(dev));
61 ut_assertok(dm_spi_get_mmap(dev, &map_base, &map_size, &offset));
62 ut_asserteq(0x1000, map_base);
63 ut_asserteq(0x2000, map_size);
64 ut_asserteq(0x100, offset);
67 * Since we are about to destroy all devices, we must tell sandbox
68 * to forget the emulation device
70 sandbox_sf_unbind_emul(state_get_current(), 0, 0);
74 DM_TEST(dm_test_spi_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
76 /* Functional test that sandbox SPI flash works correctly */
77 static int dm_test_spi_flash_func(struct unit_test_state *uts)
80 * Create an empty test file and run the SPI flash tests. This is a
81 * long way from being a unit test, but it does test SPI device and
82 * emulator binding, probing, the SPI flash emulator including
83 * device tree decoding, plus the file-based backing store of SPI.
85 * More targeted tests could be created to perform the above steps
86 * one at a time. This might not increase test coverage much, but
87 * it would make bugs easier to find. It's not clear whether the
88 * benefit is worth the extra complexity.
90 ut_asserteq(0, run_command_list(
91 "host save hostfs - 0 spi.bin 200000;"
93 "sf test 0 10000", -1, 0));
95 * Since we are about to destroy all devices, we must tell sandbox
96 * to forget the emulation device
98 sandbox_sf_unbind_emul(state_get_current(), 0, 0);
102 DM_TEST(dm_test_spi_flash_func, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);