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