1 ====================== 2 MMC tools introduction 3 ====================== 4 5 There is one MMC test tools called mmc-utils, which is maintained by Ulf Hansson, 6 you can find it at the below public git repository: 7 8 https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git 9 10 Functions 11 ========= 12 13 The mmc-utils tools can do the following: 14 15 - Print and parse extcsd data. 16 - Determine the eMMC writeprotect status. 17 - Set the eMMC writeprotect status. 18 - Set the eMMC data sector size to 4KB by disabling emulation. 19 - Create general purpose partition. 20 - Enable the enhanced user area. 21 - Enable write reliability per partition. 22 - Print the response to STATUS_SEND (CMD13). 23 - Enable the boot partition. 24 - Set Boot Bus Conditions. 25 - Enable the eMMC BKOPS feature. 26 - Permanently enable the eMMC H/W Reset feature. 27 - Permanently disable the eMMC H/W Reset feature. 28 - Send Sanitize command. 29 - Program authentication key for the device. 30 - Counter value for the rpmb device will be read to stdout. 31 - Read from rpmb device to output. 32 - Write to rpmb device from data file. 33 - Enable the eMMC cache feature. 34 - Disable the eMMC cache feature. 35 - Print and parse CID data. 36 - Print and parse CSD data. 37 - Print and parse SCR data.
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