287 lines
8.3 KiB
Python
287 lines
8.3 KiB
Python
# 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)
|