[U-Boot] Cannot boot mx6qsabred with 2019.07-rc2

[Tom Rini]

On Thu, May 23, 2019 at 04:47:59PM +0200, Michael Nazzareno Trimarchi wrote:
> Hi
> 
> On Thu, May 23, 2019 at 4:33 PM Tom Rini <trini at konsulko.com> wrote:
> >
> > On Thu, May 23, 2019 at 02:08:23PM +0000, Abel Vesa wrote:
> > > On 19-05-23 09:59:05, Tom Rini wrote:
> > > > On Thu, May 23, 2019 at 10:49:11AM -0300, Fabio Estevam wrote:
> > > > > Hi Peng,
> > > > >
> > > > > On Tue, May 21, 2019 at 10:38 PM Peng Fan <peng.fan at nxp.com> wrote:
> > > > >
> > > > > > > I will send a v2 removing CONFIG_SPL_DM.
> > > > > >
> > > > > > So what is the real direction moving to use SPL driver, non-dm is allowed in future?
> > > > >
> > > > > We are very limited in space when CONFIG_SPL_DM is used on imx6q-sabresd.
> > > > >
> > > > > With CONFIG_SPL_DM selected the size increase due to the three dtb's
> > > > > is about 8kB.
> > > > >
> > > > > Even with CONFIG_SPL_DM disabled we ony have 1kB of free space, so I
> > > > > still want to optimize the size further.
> > > >
> > > > So with CONFIG_SPL_DM we're overflowing by ~7kB?
> > >
> > > Well, the mandatory requirements here are as follow (AFAIK):
> > > 1. keep one binary for all imx6dl imx6[qp|dl|q]-sabresd
> > > 2. have DM support in SPL
> > >
> > > So I guess we have to either prioritize the other needed configs and
> > > leave out the one we can do without. That, ofcourse, if we still want
> > > to fit in and we still want one binary for all three sabresd boards.
> >
> > Well, no, you don't have to use DM in SPL.  But what I'm wondering is if
> > we need qp/dl/q specific information at the SPL stage or if that can
> > wait until we're doing the real U-Boot.
> 
> Is dcd table take space?

The DCD table is included in that hard size limit, but yes, if there's
QP/DL/Q specific stuff that we could handle via the plugin mechanism or
similar, that might be part of the solution.

-- 
Tom
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