Re: [Qemu-devel] [PATCH] PL011: Fix ID reporting

[Marek Vasut]

> On 8 January 2012 16:57, Marek Vasut <address@hidden> 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