"Eric W. Biederman" wrote:
>
> Ollie Lho <[EMAIL PROTECTED]> writes:
>
> > "Eric W. Biederman" wrote:
> > >
> > > Bari Ari <[EMAIL PROTECTED]> writes:
> > >
> > >
> > > > For embedded apps. USB is becoming a preferred method for booting since
> > > > serial ports are no longer included on the many of the latest chipsets.
> > >
> > > Which generally makes using a serial console pretty hard doesn't it.
> > > Or in other words what do people use for a console on a board like
> > > that. I admit I have heard interesting stories about ring buffers, in
> > > ram but that doesn't sound quite approriate either.
> > >
> > > My memory has it that most serial ports are on superio chips anyway so
> > > I don't see their lack of inclusion on a chipset as a problem.
> > >
> >
> > No, for "next generation" SoC, they just don't put those "Legacy Stuff"
> > in
> > anymore. Expample, SiS 550.
>
> Hmm. The "Legacy Stuff" in most chipsets is left out. And is usually
> put on the ISA bus, or on the LPC bus (Software wise it's ISA but the
> hardware is noticeabley different). The third party superio chips
> aren't expensive and can handle all of that stuff quite simply.
> Legacy free boards are calling the port to plug in a UART an Debug
> Port. But I haven't seen serious suggestions to remove them from the
> architecture.
>
> Ollie I don't quite see what you are saying no to.
I mean for SiS 550, you don't even have chance to put LPC superio
chips. You have to use PCI->ISA bridge chip/card to have serial
port. I know this is a pain in the ass for debugging. I am doing
it now :-( But the marketing guys don't think so.
Ollie
