[PATCH RFC] arm/imx: provide command to add ram device with autodetected size

Juergen Beisert jbe at pengutronix.de
Thu Jul 26 06:17:17 EDT 2012

Uwe Kleine-König wrote:
> The amount of available ram is determined by the ESDCTL register, so
> better don't hardcode the value.
> This commit provides a command that can be used instead of
> arm_add_mem_device and convertes pcm043 (on which this patch was tested)
> to it.
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
> Hello,
> maybe better move the new function into a new file
> arch/arm/mach-imx/esdctl.c and the prototype into <mach/esdctl.h>?
> Also imx_add_ram1() is still missing. I will implement that when we
> agree the patch's idea is useful.

It is a really good idea. I is useful for all my Samsung targets, too.
Maybe it should be a generic feature, because *most* of the supported SoCs are 
able to detect the available RAM size in such a way.


Pengutronix e.K.                              | Juergen Beisert             |
Linux Solutions for Science and Industry      | http://www.pengutronix.de/  |

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