[PATCH] Documentation: state: mention SD/eMMC devices

Sascha Hauer s.hauer at pengutronix.de
Mon Dec 11 07:00:10 PST 2017


On Mon, Dec 11, 2017 at 03:49:36PM +0100, Sascha Hauer wrote:
> The state framework also has support for SD/eMMC devices, so mention
> them in the documentation.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  Documentation/user/state.rst | 46 ++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 44 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/user/state.rst b/Documentation/user/state.rst
> index 7d6c5770d5..af55d0837d 100644
> --- a/Documentation/user/state.rst
> +++ b/Documentation/user/state.rst
> @@ -39,8 +39,8 @@ Backends (e.g. Supported Memory Types)
>  
>  Some non-volatile memory is need for storing a *state* variable set:
>  
> -- all kinds of NOR flash memories
> -- all kinds of NAND flash memories
> +- Disk like devices: SD, (e)MMC, ATA
> +- all kinds of NAND and NOR flash memories (mtd)
>  - MRAM
>  - EEPROM
>  - all kind of SRAMs (backup battery assumed)
> @@ -531,6 +531,48 @@ content, its backend-type and *state* variable layout.
>  		};
>  	};
>  
> +SD/eMMC and ATA
> +###############
> +
> +The following devicetree node entry defines some kind of SD/eMMC memory and
> +a partition at a specific offset inside it to be used as the backend for the
> +*state* variable set. Note that currently there is no support for on-disk
> +partition tables. Instead, a ofpart partition description must be used. You
> +have to make sure that this partition does not conflict with any other partiion

Just bought the missing 't' in partition.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the barebox mailing list