Re: BIOS: only crt0.S + kernel from flash (w/o pci stuff)

[Russell King - ARM Linux Admin]

Gaixia Zhang writes:
> The difference I can see is that that Russell has cli() before
> pci_init(), and sti() before boot_kernel(), and he fills in
> param page. Should I see more message comes out on
> the serial port?

Beware - the sti() and cli() refer to the state of the I-bit in
the StrongARM, which is the reverse of the meaning in the x86 code.

> The problem is I can write to UART (4200 0000) right
> before the line turning on MMU, but right after the line,
> I can't write to UART (fe00 0000). Should I?

Yes you should.  This tends to indicate that it's not making it
into the code after the MMU switch.  I trust that you're using
a recent 2.2 or 2.3 kernel?
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