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From: Marek Vasut <marek.vasut@gmail.com>
Date: Sun, 8 Jan 2012 20:44:46 +0100
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Subject: Re: [Qemu-devel] [PATCH] PL011: Fix ID reporting
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org

> On 8 January 2012 16:57, Marek Vasut <marek.vasut@gmail.com> wrote:
> >Peter Maydell wrote:
> >> Does the hardware give the ID registers the same values as stock
> >> PL011 or are the part number/designer/etc fields different?
> > 
> > Slightly different, but compatible with Linux:
> > 
> > 80075fe0: 00000011 00000010 00000024 00000000    ........$.......
> > 80075ff0: 0000000d 000000f0 00000005 000000b1    ................
> 
> OK, that's just the patchlevel -- QEMU currently reports
> itself as r1p1 (0x14 in UARTPeriphID2), and mx28 is r1p3
> or r1p4 (0x24). The manual describes no functional differences
> between r1p0 up to r1p4 (r1p5 has a different fifo size) so
> I'd be inclined not to worry about the ID registers here.

It's just their position that's different indeed. And even this can be tuned via 
props. I'll update the patch once I get FEC operational.

M
> 
> -- PMM