[U-Boot] [PATCH 3/3] arm: Tegra2: Add support for NVIDIA Seaboard board Signed-off-by: Tom Warren <twarren@nvidia.com>

Tom Warren
2011-01-12T17:05:23Z

> -----Original Message-----
> From: Paulraj, Sandeep [mailto:s-paulraj at ti.com]
> Sent: Tuesday, January 11, 2011 7:00 PM
> To: Tom Warren; Tom Warren; u-boot at lists.denx.de
> Subject: RE: [U-Boot] [PATCH 3/3] arm: Tegra2: Add support for NVIDIA
> Seaboard board Signed-off-by: Tom Warren <twarren@nvidia.com>
>
> Hi Tom,
[Tom Warren] Hi. Sorry for top-quoting before. My comments are now in-line.
Note that I've put in a request to my IT department to remove the 'confidential information'
b.s. disclaimer that is appended to all my outgoing Outlook emails. If anyone knows how to get
Gmail to use the standard ">" reply-to quoting, I can start using my Gmail account instead.

>
> We keep the U-Boot in sync with what is at
>
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
> 2.6.git;a=history;f=arch/arm/tools/mach-
> types;h=2fea897ebeb12959415120a7c1cdcaf5d8ac8fee;hb=4162cf64973df51fc885825b
> c9ca4d055891c49f
>
> I can see that the kernel does not have the updated name yet.
[Tom Warren] I'm surprised, since I was told the kernel's copy had been updated.
I'll check with the kernel guys - perhaps it only went into Android's kernel, etc.

>
> Since it is only required while booting a kernel,
> i would just keep the old name for the time being. When the kernel has this
> update, we will
> update U-Boot and then you will have to send in a patch to reflect this
> change.
> In any case u mention that you have follow up patches. By the time u get all
> the patches
> accepted, the mach-types would have been updated in the kernel and in U-
> boot.
>
[Tom Warren] Good idea. I'll pull out the mach-types.h change in the next (V2) patch series.

> Also in one of ur patches you had updates to serial driver. You will have to
> keep that change in a separate patch.
[Tom Warren] Why separate? It's an integral part of adding Tegra2 support, which is what the 1st patch does.
But if that's required, then I'll change that, too, in V2.
>
> Regards,
> Sandeep
> ________________________________________
> From: Tom Warren [TWarren at nvidia.com]
> Sent: Tuesday, January 11, 2011 7:43 PM
> To: Paulraj, Sandeep; Tom Warren; u-boot at lists.denx.de
> Subject: RE: [U-Boot] [PATCH 3/3] arm: Tegra2: Add support for NVIDIA
> Seaboard board Signed-off-by: Tom Warren <twarren@nvidia.com>
>
> Thanks, Sandeep.
>
> As I understand it, one of our Tegra2 kernel jockeys (Allen Martin or
> similar) has already had the kernel version of mach-types.h updated for
> Seaboard - I was just attempting to use the correct #define
> (MACH_TYPE_SEABOARD - we dropped all of the MACH_TYPE_TEGRA_ names AFAIK) so
> my patch would build/boot. Of course this define doesn't matter until the
> kernel is booting w/the upstreamed U-Boot, which is a ways off (it boots
> fine here w/our private version of U-Boot based on V2010-09).
>
> Assuming I'm correct about the Linux version of mach-types already having
> been updated, how do I get a sync request in? And how is that phased in to
> match with my patches so that it all builds/boots?
>
> Thanks,
>
> Tom
>
> > -----Original Message-----
> > From: Paulraj, Sandeep [mailto:s-paulraj at ti.com]
> > Sent: Tuesday, January 11, 2011 5:16 PM
> > To: Tom Warren; u-boot at lists.denx.de
> > Cc: Tom Warren
> > Subject: RE: [U-Boot] [PATCH 3/3] arm: Tegra2: Add support for NVIDIA
> > Seaboard board Signed-off-by: Tom Warren <twarren@nvidia.com>
> >
> > Hi Tom,
> >
> > Nice to see support for this board
> >
> > > #define MACH_TYPE_TI8148EVM 3004
> > >#define MACH_TYPE_TEGRA_SEABOARD 3005
> > >+#define MACH_TYPE_SEABOARD 3005
> >
> >
> > I don't think this is the way it is supposed to be done.
> > Patches should not contain an addition to mach-types.h.
> > What is generally done is you ask for an ARM sync request and in the past
> > Tom Rix and I have updated mach-types.h.
> >
> > I did this some weeks ago.
> >
> > Also i think we cannot have 2 EVMs with same MACH_TYPE_
> > You should probably go to ARM Linux website and register as a separate
> EVM.
> > The Number you get from there should be used. I beleive you can also
> change
> > the name of the
> > board there; assu,ing you intend to use MACH_TYPE_SEABOARD instead of
> > MACH_TYPE_TEGRA_SEABOARD.
> >
> > It usually takes a little bit of time for the mach-types to be updated in
> > the
> > linux kernel. Once that is done we sync up with the kernel.
> >
> > Regards,
> > Sandeep
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