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Baolin Wangf3e27a82016-03-16 20:02:49 +08001MMC tools introduction
2======================
3
4There is one MMC test tools called mmc-utils, which is maintained by Chris Ball,
5you can find it at the below public git repository:
6http://git.kernel.org/cgit/linux/kernel/git/cjb/mmc-utils.git/
7
8Functions
9=========
10
11The mmc-utils tools can do the following:
12 - Print and parse extcsd data.
13 - Determine the eMMC writeprotect status.
14 - Set the eMMC writeprotect status.
15 - Set the eMMC data sector size to 4KB by disabling emulation.
16 - Create general purpose partition.
17 - Enable the enhanced user area.
18 - Enable write reliability per partition.
19 - Print the response to STATUS_SEND (CMD13).
20 - Enable the boot partition.
21 - Set Boot Bus Conditions.
22 - Enable the eMMC BKOPS feature.
23 - Permanently enable the eMMC H/W Reset feature.
24 - Permanently disable the eMMC H/W Reset feature.
25 - Send Sanitize command.
26 - Program authentication key for the device.
27 - Counter value for the rpmb device will be read to stdout.
28 - Read from rpmb device to output.
29 - Write to rpmb device from data file.
30 - Enable the eMMC cache feature.
31 - Disable the eMMC cache feature.
32 - Print and parse CID data.
33 - Print and parse CSD data.
34 - Print and parse SCR data.