[LinuxBIOS] [PATCH] Remove Bitworks IMS

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Thu Nov 29 22:30:36 CET 2007


On 29.11.2007 19:34, Richard Smith wrote:
> Carl-Daniel Hailfinger wrote:
>
>> For SPI flash size, the limitation is not how much the chipset can
>> support, but how much the SPI translation feature in the IT8716F can
>> support.
>
> Are you talking about LCP reads -> SPI reads translation?

Yes.

> If so I only need that for the initial boot.  After that I can issue
> SPI read commands directly to the device.

Which is a little bit slow/inefficient. I suspect that using a USB
storage device (together with early USB initialization) will give you
better overall performance.

> Is there some other limitation in the IT8716F you know of that won't
> let me read the full 24 bits of address?   The datasheet is sparse but
> seems pretty straight forward.  All the necessary registers and bits
> appear documented.

I am not aware of any other limitation.


Regards,
Carl-Daniel




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