[U-Boot] [PATCH 6/6] p1021mds: add QE and UEC support

[Kumar Gala]

On Feb 1, 2011, at 11:01 AM, Haiying Wang wrote:

> On Tue, 2011-02-01 at 10:50 -0600, Scott Wood wrote:
>>>> 
>>> If it is a one time setting, there should be no problem to put it into
>>> board code. But these pin settings need to be done before any usage of
>>> phy read/write (accessing MDIO/MDC), and need to be released after the
>>> usage of phy, thus the devices connected to eLBC like NAND flash/BCSR
>>> can be accessed. If we use board code to set/release the pin, we don't
>>> know when the phy access and nand flash access will happen.
>> 
>> Is this actually a board issue or an SoC issue?
>> 
> It is not a board issue. It is a SoC *feature*. Too many pins are muxed
> on P1021. For this case, LBCTL of eLBC is muxed with QE's CE_PB[20]
> which is used for MDIO signal. 
> 
> Haiying
> 

But its a board decision on how they want to utilize those pins and for what feature.

- k