| Jean-Jacques Hiblot | a35de5a | 2019-06-17 17:49:21 +0200 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | # Copyright (c) 2019, Texas Instrument |
| 3 | # Author: Jean-Jacques Hiblot <jjhiblot@ti.com> |
| 4 | |
| 5 | # Test U-Boot's "mmc write" command. The test generates random data, writes it |
| 6 | # to the eMMC or SD card, then reads it back and performs a comparison. |
| 7 | |
| 8 | import pytest |
| 9 | import u_boot_utils |
| 10 | |
| 11 | """ |
| 12 | This test relies on boardenv_* to containing configuration values to define |
| 13 | which MMC devices should be tested. For example: |
| 14 | |
| 15 | env__mmc_wr_configs = ( |
| 16 | { |
| 17 | "fixture_id": "emmc-boot0", |
| 18 | "is_emmc": True, |
| 19 | "devid": 1, |
| 20 | "partid": 1, |
| 21 | "sector": 0x10, |
| 22 | "count": 100, |
| 23 | "test_iterations": 50, |
| 24 | }, |
| 25 | { |
| 26 | "fixture_id": "emmc-boot1", |
| 27 | "is_emmc": True, |
| 28 | "devid": 1, |
| 29 | "partid": 2, |
| 30 | "sector": 0x10, |
| 31 | "count": 100, |
| 32 | "test_iterations": 50, |
| 33 | }, |
| 34 | ) |
| 35 | |
| 36 | """ |
| 37 | |
| 38 | @pytest.mark.buildconfigspec('cmd_mmc','cmd_memory') |
| 39 | def test_mmc_wr(u_boot_console, env__mmc_wr_config): |
| 40 | """Test the "mmc write" command. |
| 41 | |
| 42 | Args: |
| 43 | u_boot_console: A U-Boot console connection. |
| 44 | env__mmc_wr_config: The single MMC configuration on which |
| 45 | to run the test. See the file-level comment above for details |
| 46 | of the format. |
| 47 | |
| 48 | Returns: |
| 49 | Nothing. |
| 50 | """ |
| 51 | |
| 52 | is_emmc = env__mmc_wr_config['is_emmc'] |
| 53 | devid = env__mmc_wr_config['devid'] |
| 54 | partid = env__mmc_wr_config.get('partid', 0) |
| 55 | sector = env__mmc_wr_config.get('sector', 0) |
| 56 | count_sectors = env__mmc_wr_config.get('count', 1) |
| 57 | test_iterations = env__mmc_wr_config.get('test_iterations', 1) |
| 58 | |
| 59 | |
| 60 | count_bytes = count_sectors * 512 |
| 61 | bcfg = u_boot_console.config.buildconfig |
| 62 | ram_base = u_boot_utils.find_ram_base(u_boot_console) |
| 63 | src_addr = '0x%08x' % ram_base |
| 64 | dst_addr = '0x%08x' % (ram_base + count_bytes) |
| 65 | |
| 66 | |
| 67 | for i in range(test_iterations): |
| 68 | # Generate random data |
| 69 | cmd = 'random %s %x' % (src_addr, count_bytes) |
| 70 | response = u_boot_console.run_command(cmd) |
| 71 | good_response = '%d bytes filled with random data' % (count_bytes) |
| 72 | assert good_response in response |
| 73 | |
| 74 | # Select MMC device |
| 75 | cmd = 'mmc dev %d' % devid |
| 76 | if is_emmc: |
| 77 | cmd += ' %d' % partid |
| 78 | response = u_boot_console.run_command(cmd) |
| 79 | assert 'no card present' not in response |
| 80 | if is_emmc: |
| 81 | partid_response = "(part %d)" % partid |
| 82 | else: |
| 83 | partid_response = "" |
| 84 | good_response = 'mmc%d%s is current device' % (devid, partid_response) |
| 85 | assert good_response in response |
| 86 | |
| 87 | # Write data |
| 88 | cmd = 'mmc write %s %x %x' % (src_addr, sector, count_sectors) |
| 89 | response = u_boot_console.run_command(cmd) |
| 90 | good_response = 'MMC write: dev # %d, block # %d, count %d ... %d blocks written: OK' % ( |
| 91 | devid, sector, count_sectors, count_sectors) |
| 92 | assert good_response in response |
| 93 | |
| 94 | # Read data |
| 95 | cmd = 'mmc read %s %x %x' % (dst_addr, sector, count_sectors) |
| 96 | response = u_boot_console.run_command(cmd) |
| 97 | good_response = 'MMC read: dev # %d, block # %d, count %d ... %d blocks read: OK' % ( |
| 98 | devid, sector, count_sectors, count_sectors) |
| 99 | assert good_response in response |
| 100 | |
| 101 | # Compare src and dst data |
| 102 | cmd = 'cmp.b %s %s %x' % (src_addr, dst_addr, count_bytes) |
| 103 | response = u_boot_console.run_command(cmd) |
| 104 | good_response = 'Total of %d byte(s) were the same' % (count_bytes) |
| 105 | assert good_response in response |