Re: Problems when booting on OMAP5432 devboard

[Chen Baozi <baozich@gmail.com>]

On Thu, Jun 27, 2013 at 01:10:01PM +0100, Ian Campbell wrote:
> On Thu, 2013-06-27 at 19:55 +0800, Chen Baozi wrote:
> > Hi Ian,
> > 
> > After enabling the UART, I have been tring to finish the rest of booting.
> > However, the output information stops at "Placing Xen at XXXX-XXXX" like
> > following:
> > 
> > Starting kernel ...
> > 
> > - UART enabled -
> > - CPU 00000000 booting -
> > - Machine ID 00000ec1 -
> > - Started in Hyp mode -
> > - Zero BSS -
> > - Setting up control registers -
> > - Turning on paging -
> > - Ready -
> > RAM: 0000000080000000 - 00000000ffffffff
> > 
> > MODULE[1]: 00000000a0000000 - 00000000a0400000 
> > Placing Xen at 0x00000000ffe00000-0x0000000100000000
> > 
> > What could be the most possible problem of this case?
> 
> This is a about the point where we would shift from early_printk to the
> proper console driver, so I expect you simply don't have the console
> setup.
> 
Hi Ian,

I guess that it might not all about console driver, because early_printk
does not work properly just after we have updated "the copy of boot_pgtable
to use the new paddrs" in setup_pagetables(). It seems that
FIXMAP_ADDR(FIXMAP_CONSOLE) has been destroyed after the updating without
being restored. I'm looking into those related codes.

Cheers,

Baozi