| ====================== |
| 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: |
| |
| http://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. |
