[U-Boot] [PATCH] nios2: display altera sysid at startup

Marek Vasut marex at denx.de
Wed Dec 16 15:01:17 CET 2015


On Wednesday, December 16, 2015 at 02:44:04 PM, Thomas Chou wrote:
> Hi Marek,
> 
> On 2015年12月16日 21:23, Marek Vasut wrote:
> > On Wednesday, December 16, 2015 at 02:10:26 PM, Thomas Chou wrote:
> >> Hi Marek,
> > 
> > Hi!
> > 
> >> On 2015年12月16日 18:25, Marek Vasut wrote:
> >>> On Wednesday, December 16, 2015 at 09:07:47 AM, Thomas Chou wrote:
> >>>> Display altera sysid at startup, which was once removed during
> >>>> the move.
> >>>> 
> >>>> Signed-off-by: Thomas Chou <thomas at wytron.com.tw>
> >>> 
> >>> What if the sysid block isn't part of the design ?
> >> 
> >> If the sysid block is not present, nothing will display and it is not an
> >> error.
> > 
> > Won't this cause bus stall if you try to access unpopulated location ?
> 
> It will be accessed though DT binding. As long as DT is correct, it
> won't access unpopulated location.
> 
> With the Altera Avalon bus, even a unpopulated access will not stall.

OK! Thanks for clarifying.

Acked-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut


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