summaryrefslogtreecommitdiff
path: root/test/py/tests/test_mmc_rd.py
blob: ea652f9136188d42c04991d2c768b19cf69e30d0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
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)