From: Doug Anderson <dianders@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ns16550: tegra: Specify debugging serial port at boot.
Date: Mon, 9 Jan 2012 17:26:54 -0800 [thread overview]
Message-ID: <CAD=FV=Ut2-1iiryt2EyMW5Yk1r_a4vDn10Wz+SfQ+c1N+Pz00w@mail.gmail.com> (raw)
In-Reply-To: <1325890269-5613-1-git-send-email-swarren@nvidia.com>
On Fri, Jan 6, 2012 at 2:51 PM, Stephen Warren <swarren@nvidia.com> wrote:
> From: Doug Anderson <dianders@chromium.org>
>
> This works together with a kernel change that looks at the scratchpad
> register to determine which of the many UARTs it should use for early
> printing:
>
> http://www.spinics.net/lists/arm-kernel/msg154633.html
>
> While it is unfortunate to need to pass this information in a second way
> (it's already in the device tree), this does allow the very early boot
> code (decompressing stub and early assembly code) to print to the right
> port.
>
> At the moment, I'm adding this to the UART init function. Alternatively,
> we could add a more complex patch to key off of the 'console' setting.
>
> Signed-off-by: Doug Anderson <dianders@chromium.org>
> [swarren: Limited the change to Tegra platforms]
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Doug Anderson <dianders@chromium.org>
next prev parent reply other threads:[~2012-01-10 1:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-06 22:51 [U-Boot] [PATCH] ns16550: tegra: Specify debugging serial port at boot Stephen Warren
2012-01-10 1:26 ` Doug Anderson [this message]
2012-03-08 18:08 ` [U-Boot] " Stephen Warren
2012-03-08 18:39 ` Wolfgang Denk
2012-03-08 19:40 ` Stephen Warren
2012-03-08 21:29 ` Wolfgang Denk
2012-03-08 21:43 ` Stephen Warren
2012-03-08 23:26 ` Graeme Russ
2012-03-13 20:12 ` Stephen Warren
2012-03-13 21:23 ` Graeme Russ
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