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Diffstat (limited to 'roms/u-boot/test/py/tests/test_mmc_rd.py')
| -rw-r--r-- | roms/u-boot/test/py/tests/test_mmc_rd.py | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/roms/u-boot/test/py/tests/test_mmc_rd.py b/roms/u-boot/test/py/tests/test_mmc_rd.py new file mode 100644 index 000000000..ea652f913 --- /dev/null +++ b/roms/u-boot/test/py/tests/test_mmc_rd.py @@ -0,0 +1,286 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. + +# Test U-Boot's "mmc read" command. The test reads data from the eMMC or SD +# card, and validates the no errors occurred, and that the expected data was +# read if the test configuration contains a CRC of the expected data. + +import pytest +import time +import u_boot_utils + +""" +This test relies on boardenv_* to containing configuration values to define +which MMC devices should be tested. For example: + +# Configuration data for test_mmc_dev, test_mmc_rescan, test_mmc_info; defines +# whole MMC devices that mmc dev/rescan/info commands may operate upon. +env__mmc_dev_configs = ( + { + 'fixture_id': 'emmc-boot0', + 'is_emmc': True, + 'devid': 0, + 'partid': 1, + 'info_device': ???, + 'info_speed': ???, + 'info_mode': ???, + 'info_buswidth': ???. + }, + { + 'fixture_id': 'emmc-boot1', + 'is_emmc': True, + 'devid': 0, + 'partid': 2, + 'info_device': ???, + 'info_speed': ???, + 'info_mode': ???, + 'info_buswidth': ???. + }, + { + 'fixture_id': 'emmc-data', + 'is_emmc': True, + 'devid': 0, + 'partid': 0, + 'info_device': ???, + 'info_speed': ???, + 'info_mode': ???, + 'info_buswidth': ???. + }, + { + 'fixture_id': 'sd', + 'is_emmc': False, + 'devid': 1, + 'partid': None, + 'info_device': ???, + 'info_speed': ???, + 'info_mode': ???, + 'info_buswidth': ???. + }, +) + +# Configuration data for test_mmc_rd; defines regions of the MMC (entire +# devices, or ranges of sectors) which can be read: +env__mmc_rd_configs = ( + { + 'fixture_id': 'emmc-boot0', + 'is_emmc': True, + 'devid': 0, + 'partid': 1, + 'sector': 0x10, + 'count': 1, + }, + { + 'fixture_id': 'emmc-boot1', + 'is_emmc': True, + 'devid': 0, + 'partid': 2, + 'sector': 0x10, + 'count': 1, + }, + { + 'fixture_id': 'emmc-data', + 'is_emmc': True, + 'devid': 0, + 'partid': 0, + 'sector': 0x10, + 'count': 0x1000, + }, + { + 'fixture_id': 'sd-mbr', + 'is_emmc': False, + 'devid': 1, + 'partid': None, + 'sector': 0, + 'count': 1, + 'crc32': '8f6ecf0d', + }, + { + 'fixture_id': 'sd-large', + 'is_emmc': False, + 'devid': 1, + 'partid': None, + 'sector': 0x10, + 'count': 0x1000, + }, +) +""" + +def mmc_dev(u_boot_console, is_emmc, devid, partid): + """Run the "mmc dev" command. + + Args: + u_boot_console: A U-Boot console connection. + is_emmc: Whether the device is eMMC + devid: Device ID + partid: Partition ID + + Returns: + Nothing. + """ + + # 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 + +@pytest.mark.buildconfigspec('cmd_mmc') +def test_mmc_dev(u_boot_console, env__mmc_dev_config): + """Test the "mmc dev" command. + + Args: + u_boot_console: A U-Boot console connection. + env__mmc_dev_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_dev_config['is_emmc'] + devid = env__mmc_dev_config['devid'] + partid = env__mmc_dev_config.get('partid', 0) + + # Select MMC device + mmc_dev(u_boot_console, is_emmc, devid, partid) + +@pytest.mark.buildconfigspec('cmd_mmc') +def test_mmc_rescan(u_boot_console, env__mmc_dev_config): + """Test the "mmc rescan" command. + + Args: + u_boot_console: A U-Boot console connection. + env__mmc_dev_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_dev_config['is_emmc'] + devid = env__mmc_dev_config['devid'] + partid = env__mmc_dev_config.get('partid', 0) + + # Select MMC device + mmc_dev(u_boot_console, is_emmc, devid, partid) + + # Rescan MMC device + cmd = 'mmc rescan' + response = u_boot_console.run_command(cmd) + assert 'no card present' not in response + +@pytest.mark.buildconfigspec('cmd_mmc') +def test_mmc_info(u_boot_console, env__mmc_dev_config): + """Test the "mmc info" command. + + Args: + u_boot_console: A U-Boot console connection. + env__mmc_dev_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_dev_config['is_emmc'] + devid = env__mmc_dev_config['devid'] + partid = env__mmc_dev_config.get('partid', 0) + info_device = env__mmc_dev_config['info_device'] + info_speed = env__mmc_dev_config['info_speed'] + info_mode = env__mmc_dev_config['info_mode'] + info_buswidth = env__mmc_dev_config['info_buswidth'] + + # Select MMC device + mmc_dev(u_boot_console, is_emmc, devid, partid) + + # Read MMC device information + cmd = 'mmc info' + response = u_boot_console.run_command(cmd) + good_response = "Device: %s" % info_device + assert good_response in response + good_response = "Bus Speed: %s" % info_speed + assert good_response in response + good_response = "Mode: %s" % info_mode + assert good_response in response + good_response = "Bus Width: %s" % info_buswidth + assert good_response in response + +@pytest.mark.buildconfigspec('cmd_mmc') +def test_mmc_rd(u_boot_console, env__mmc_rd_config): + """Test the "mmc read" command. + + Args: + u_boot_console: A U-Boot console connection. + env__mmc_rd_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_rd_config['is_emmc'] + devid = env__mmc_rd_config['devid'] + partid = env__mmc_rd_config.get('partid', 0) + sector = env__mmc_rd_config.get('sector', 0) + count_sectors = env__mmc_rd_config.get('count', 1) + expected_crc32 = env__mmc_rd_config.get('crc32', None) + read_duration_max = env__mmc_rd_config.get('read_duration_max', 0) + + count_bytes = count_sectors * 512 + bcfg = u_boot_console.config.buildconfig + has_cmd_memory = bcfg.get('config_cmd_memory', 'n') == 'y' + has_cmd_crc32 = bcfg.get('config_cmd_crc32', 'n') == 'y' + ram_base = u_boot_utils.find_ram_base(u_boot_console) + addr = '0x%08x' % ram_base + + # Select MMC device + mmc_dev(u_boot_console, is_emmc, devid, partid) + + # Clear target RAM + if expected_crc32: + if has_cmd_memory and has_cmd_crc32: + cmd = 'mw.b %s 0 0x%x' % (addr, count_bytes) + u_boot_console.run_command(cmd) + + cmd = 'crc32 %s 0x%x' % (addr, count_bytes) + response = u_boot_console.run_command(cmd) + assert expected_crc32 not in response + else: + u_boot_console.log.warning( + 'CONFIG_CMD_MEMORY or CONFIG_CMD_CRC32 != y: Skipping RAM clear') + + # Read data + cmd = 'mmc read %s %x %x' % (addr, sector, count_sectors) + tstart = time.time() + response = u_boot_console.run_command(cmd) + tend = time.time() + 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 + + # Check target RAM + if expected_crc32: + if has_cmd_crc32: + cmd = 'crc32 %s 0x%x' % (addr, count_bytes) + response = u_boot_console.run_command(cmd) + assert expected_crc32 in response + else: + u_boot_console.log.warning('CONFIG_CMD_CRC32 != y: Skipping check') + + # Check if the command did not take too long + if read_duration_max: + elapsed = tend - tstart + u_boot_console.log.info('Reading %d bytes took %f seconds' % + (count_bytes, elapsed)) + assert elapsed <= (read_duration_max - 0.01) |