[coreboot] Yet another idea of an SPI flash chip programmer

[Joseph Smith]

On Mon, 22 Dec 2008 19:45:00 +0800, "FENG Yu Ning"
<fengyuning1984 at gmail.com> wrote:
> There are lots of flash programmer out there, but none of them (those
> I know about) fits my requirement well.
> 
> I would like a programmer to be:
> 
>  * able to program SPI flash chips,
>  * not slow (program 512k bytes in 3 mins),
>  * with a driver whose source code is available (or not difficult to
write
> one),
>  * simple, and
>  * cheap.
> 
> There is one that almost does the job,
> 
>   http://www.malinov.com/Home/sergeys-projects/spi-flash-programmer
> 
> but
> [0] would it be very slow?
> 
> 
> Recently I find a chip FT2232x
> 
>   http://www.ftdichip.com/Products/FT2232C.htm
> 
> It seems that the chip's IO could be configured to work in bit-bang
> mode and thus able to implement as an SPI I/F.
> 
> 
> [1] I think it is easy to build a prototype programmer using this chip.
Is
> it?
> [2] Is the programmer going to meet my requirement?
> 
Wow, If that can be used for SPI than the Paraflasher can definitely be
used for SPI. It would just require software to support it :-)

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org