[PATCH v2 2/3] ep93xx: added chip revision reading function

[Martin Guy]

On 3/20/10, Daniel Mack <daniel at caiaq.de> wrote:
> On Sat, Mar 20, 2010 at 06:07:50PM +0000, Martin Guy wrote:
>  >   The chip revision is normally placed in the global unsigned int
>  > "system_rev", which is also reported by /proc/cpuinfo.
>
> No, that's the hardware revision number, which is different from the
>  chip revision number.

The board revision? Right, thanks. I don't see a place to report this
in cpuinfo, since it is the SoC revision, which is neither the ARM CPU
it contains nor the board that conatins the SoC.

> If the ep93xx provides a unique serial number, then this could be an
>  idea. I would still only set it in case it has not been given by the
>  bootloader though.

It does, world-unique, burned into the chip. Thanks again.

    M