> christophe leroy writes:
> > So it means that you arrive at serial_console_setup.
> >
> > My problem for now resides before realy starting the kernel, in
> > head-armv.S
> >
> > I'm able to write things on serial by writing bytes at 0x42000160
> > (after been sure UART is free by testing 0x42000178) when MMU is OFF.
> > But When I try to write things on serial just after having switch MMU
> > ON ,in the beginning of .Lalready_done_mmap (So I write at
> > 0xFE000160, which is the supposed virtual adresse of UART), nothing
> > happens. So I wonder what happens after having put MMU ON.
>
> There is at the bottom of head-armv.S a load of debugging code for exactly
> this sort of debugging. You may want to try some of it out. Note however,
> that it does require a serial lead with RTS and CTS connected (it's sometimes
> useful while using these to be able to stop the kernel...)
I'd a look at it. It's exactly what I'm doing.
On EBSA285, RTS and CTS arent used
christophe
unsubscribe: body of `unsubscribe linux-arm' to [EMAIL PROTECTED]
