On 20.11.2008 23:07, Peter Stuge wrote: > Carl-Daniel Hailfinger wrote: > >>>> You need to implement a LPC protocol layer inside flashrom to >>>> do this. >>>> > > Find an lmilk/wmilk tarball and translate the C++ code. Or maybe make > a plugin system for flashrom using some kind of IPC. Pipes, shared > memory, etc. > > They drove the milksop and cheaplpc. The cheaplpc code I hinted at > also does exactly this already. >
I'll take a look in a week or so. Joseph, if you find time before that, please go ahead. >> What's the license of that software? >> > > lmilk/wmilk is GPL. cheaplpc.com software I don't know, I didn't > download it. > > > >> My suggestion for these external flashers would be to specify the >> name of the host/programmer like "--host=lpcflasher" and possibly >> "--interface=/dev/lp0". >> > > I'd like to counter with --master or --plugin. --host could imply > networking and the term on LPC as well as SPI for something doing > what the external hardware is doing here is a bus master. > --master is a good idea. > Parallell port abstraction is needed somewhere because every system > does this differently. lmilk/wmilk already has that. I don't expect > /dev/lp0 to be usable, if that exists then the kernel printer driver > has already claimed the port. But maybe /dev/parport0 can work, or > you do what lmilk does and simply program the port with OUTB/INB. > OUTB/INB may need root privileges and may not work with USB->LPT converters. Your point about a parallel port abstraction layer is valid, though. Regards, Carl-Daniel -- http://www.hailfinger.org/ -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
