[U-Boot] [PATCH 0/6] ARM: DRA7: AM57xx: Enable SPL_DM

[Tom Rini <trini@konsulko.com>]

On Wed, Feb 08, 2017 at 06:37:17PM +0530, Lokesh Vutla wrote:
> 
> 
> On Wednesday 08 February 2017 06:26 PM, Tom Rini wrote:
> > On Wed, Feb 08, 2017 at 06:03:31PM +0530, Lokesh Vutla wrote:
> > 
> >> - Enable SPL_DM on all DRA7 and AM57xx based platforms.
> >> - SPL uses a generic dts on all platforms with same defconfig.
> >> - After this series SPL size is increased by ~7KB.
> > 
> > That's not a bad size growth, esp here where we can afford it.  Did you
> 
> Yeah, but I am worried about this size on am335x.

Agreed, at least wrt HS platforms as well.

> 
> > experiment with going the board-data way?  Also it looks like we're
> 
> hmm.. IIUC, board-data is duplication of same data that is available in
> DT. Anyways all the unsed nodes in DT are removed for SPL case. So, I
> used this approach.

My understanding was that going this way (ala rockchip) does save space.
We may also need to start saying that gcc-6 is required on these
platforms in order to take advantage of having all of the unused strings
really be discarded from the final binary.

> > going the same DT for U-Boot proper now, will this work long term?  Or
> > do you need to switch to having U-Boot itself be loaded from a FIT image
> > and given the correct board dtb?  Thanks!
> 
> The DT that is being introduced in this series will be used only by SPL.
> For U-Boot proper, a FIT image will be built using OF_LIST. I don't
> think we need to switch.

Ah, I missed that already being set, sorry.

-- 
Tom
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