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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2013 Google, Inc
- */
- #include <common.h>
- #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;
- int i;
- src = map_sysmem(0x20000, full_size);
- ut_assertok(os_write_file("spi.bin", 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, UT_TESTF_SCAN_PDATA | UT_TESTF_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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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