123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105 |
- # SPDX-License-Identifier: GPL-2.0
- # Copyright (c) 2019, Texas Instrument
- # Author: Jean-Jacques Hiblot <jjhiblot@ti.com>
- # Test U-Boot's "mmc write" command. The test generates random data, writes it
- # to the eMMC or SD card, then reads it back and performs a comparison.
- import pytest
- import u_boot_utils
- """
- This test relies on boardenv_* to containing configuration values to define
- which MMC devices should be tested. For example:
- env__mmc_wr_configs = (
- {
- "fixture_id": "emmc-boot0",
- "is_emmc": True,
- "devid": 1,
- "partid": 1,
- "sector": 0x10,
- "count": 100,
- "test_iterations": 50,
- },
- {
- "fixture_id": "emmc-boot1",
- "is_emmc": True,
- "devid": 1,
- "partid": 2,
- "sector": 0x10,
- "count": 100,
- "test_iterations": 50,
- },
- )
- """
- @pytest.mark.buildconfigspec('cmd_mmc')
- @pytest.mark.buildconfigspec('cmd_memory')
- @pytest.mark.buildconfigspec('cmd_random')
- def test_mmc_wr(u_boot_console, env__mmc_wr_config):
- """Test the "mmc write" command.
- Args:
- u_boot_console: A U-Boot console connection.
- env__mmc_wr_config: The single MMC configuration on which
- to run the test. See the file-level comment above for details
- of the format.
- Returns:
- Nothing.
- """
- is_emmc = env__mmc_wr_config['is_emmc']
- devid = env__mmc_wr_config['devid']
- partid = env__mmc_wr_config.get('partid', 0)
- sector = env__mmc_wr_config.get('sector', 0)
- count_sectors = env__mmc_wr_config.get('count', 1)
- test_iterations = env__mmc_wr_config.get('test_iterations', 1)
- count_bytes = count_sectors * 512
- bcfg = u_boot_console.config.buildconfig
- ram_base = u_boot_utils.find_ram_base(u_boot_console)
- src_addr = '0x%08x' % ram_base
- dst_addr = '0x%08x' % (ram_base + count_bytes)
- for i in range(test_iterations):
- # Generate random data
- cmd = 'random %s %x' % (src_addr, count_bytes)
- response = u_boot_console.run_command(cmd)
- good_response = '%d bytes filled with random data' % (count_bytes)
- assert good_response in response
- # Select MMC device
- cmd = 'mmc dev %d' % devid
- if is_emmc:
- cmd += ' %d' % partid
- response = u_boot_console.run_command(cmd)
- assert 'no card present' not in response
- if is_emmc:
- partid_response = "(part %d)" % partid
- else:
- partid_response = ""
- good_response = 'mmc%d%s is current device' % (devid, partid_response)
- assert good_response in response
- # Write data
- cmd = 'mmc write %s %x %x' % (src_addr, sector, count_sectors)
- response = u_boot_console.run_command(cmd)
- good_response = 'MMC write: dev # %d, block # %d, count %d ... %d blocks written: OK' % (devid, sector, count_sectors, count_sectors)
- assert good_response in response
- # Read data
- cmd = 'mmc read %s %x %x' % (dst_addr, sector, count_sectors)
- response = u_boot_console.run_command(cmd)
- good_response = 'MMC read: dev # %d, block # %d, count %d ... %d blocks read: OK' % (devid, sector, count_sectors, count_sectors)
- assert good_response in response
- # Compare src and dst data
- cmd = 'cmp.b %s %s %x' % (src_addr, dst_addr, count_bytes)
- response = u_boot_console.run_command(cmd)
- good_response = 'Total of %d byte(s) were the same' % (count_bytes)
- assert good_response in response
|