From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] nios2: display altera sysid at startup
Date: Wed, 16 Dec 2015 15:01:17 +0100 [thread overview]
Message-ID: <201512161501.17864.marex@denx.de> (raw)
In-Reply-To: <56716AA4.6000201@wytron.com.tw>
On Wednesday, December 16, 2015 at 02:44:04 PM, Thomas Chou wrote:
> Hi Marek,
>
> On 2015?12?16? 21:23, Marek Vasut wrote:
> > On Wednesday, December 16, 2015 at 02:10:26 PM, Thomas Chou wrote:
> >> Hi Marek,
> >
> > Hi!
> >
> >> On 2015?12?16? 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@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@denx.de>
Best regards,
Marek Vasut
prev parent reply other threads:[~2015-12-16 14:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-16 8:07 [U-Boot] [PATCH] nios2: display altera sysid at startup Thomas Chou
2015-12-16 10:25 ` Marek Vasut
2015-12-16 13:10 ` Thomas Chou
2015-12-16 13:23 ` Marek Vasut
2015-12-16 13:44 ` Thomas Chou
2015-12-16 14:01 ` Marek Vasut [this message]
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