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Diffstat (limited to 'Documentation/driver-api/mmc/mmc-tools.rst')
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diff --git a/Documentation/driver-api/mmc/mmc-tools.rst b/Documentation/driver-api/mmc/mmc-tools.rst new file mode 100644 index 000000000..a231e9644 --- /dev/null +++ b/Documentation/driver-api/mmc/mmc-tools.rst @@ -0,0 +1,37 @@ +====================== +MMC tools introduction +====================== + +There is one MMC test tools called mmc-utils, which is maintained by Chris Ball, +you can find it at the below public git repository: + + https://git.kernel.org/cgit/linux/kernel/git/cjb/mmc-utils.git/ + +Functions +========= + +The mmc-utils tools can do the following: + + - Print and parse extcsd data. + - Determine the eMMC writeprotect status. + - Set the eMMC writeprotect status. + - Set the eMMC data sector size to 4KB by disabling emulation. + - Create general purpose partition. + - Enable the enhanced user area. + - Enable write reliability per partition. + - Print the response to STATUS_SEND (CMD13). + - Enable the boot partition. + - Set Boot Bus Conditions. + - Enable the eMMC BKOPS feature. + - Permanently enable the eMMC H/W Reset feature. + - Permanently disable the eMMC H/W Reset feature. + - Send Sanitize command. + - Program authentication key for the device. + - Counter value for the rpmb device will be read to stdout. + - Read from rpmb device to output. + - Write to rpmb device from data file. + - Enable the eMMC cache feature. + - Disable the eMMC cache feature. + - Print and parse CID data. + - Print and parse CSD data. + - Print and parse SCR data. |