diff options
| author | Baolin Wang <baolin.wang@linaro.org> | 2016-03-16 15:02:49 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2016-03-31 09:54:22 +0300 |
| commit | f3e27a80b782b9b9857157e0a104a8757e72d166 (patch) | |
| tree | da848f0981736af207d8e7215b15bdbfdc78eb3e /Documentation | |
| parent | f7ca20deee2b2eac0a43e1dcf75d5d3ee2c6c81e (diff) | |
| download | linux-f3e27a80b782b9b9857157e0a104a8757e72d166.tar.xz | |
Documentation: mmc: Add the introduction for mmc-utils
This patch introduces one mmc test tools called mmc-utils, which is convenient
if someone wants to exercise and test MMC/SD devices from userspace.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/mmc/00-INDEX | 2 | ||||
| -rw-r--r-- | Documentation/mmc/mmc-tools.txt | 34 |
2 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/mmc/00-INDEX b/Documentation/mmc/00-INDEX index a9ba6720ffdf..4623bc0aa0bb 100644 --- a/Documentation/mmc/00-INDEX +++ b/Documentation/mmc/00-INDEX @@ -6,3 +6,5 @@ mmc-dev-parts.txt - info on SD and MMC device partitions mmc-async-req.txt - info on mmc asynchronous requests +mmc-tools.txt + - info on mmc-utils tools diff --git a/Documentation/mmc/mmc-tools.txt b/Documentation/mmc/mmc-tools.txt new file mode 100644 index 000000000000..735509c165d5 --- /dev/null +++ b/Documentation/mmc/mmc-tools.txt @@ -0,0 +1,34 @@ +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. |