On 22.12.2008 15:13, Joseph Smith wrote: > > On Mon, 22 Dec 2008 19:45:00 +0800, "FENG Yu Ning" > <[email protected]> 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 :-) >
The FT2232D can speak SPI directly, no need for bitbanging. Regards, Carl-Daniel -- http://www.hailfinger.org/ -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
