[PATCH 4/4] ARM: dts: imx8m: imx8mm-mx8menlo: Enable SPL SDP support

[Michael Nazzareno Trimarchi]

Il sab 24 set 2022, 20:54 Adam Ford <aford173 at gmail.com> ha scritto:

> On Sat, Sep 24, 2022 at 1:52 PM Michael Nazzareno Trimarchi
> <michael at amarulasolutions.com> wrote:
> >
> > On Sat, Sep 24, 2022 at 8:38 PM Adam Ford <aford173 at gmail.com> wrote:
> > >
> > > On Mon, Sep 19, 2022 at 5:02 PM Fabio Estevam <festevam at denx.de>
> wrote:
> > > >
> > > > Hi Marek,
> > > >
> > > > On 19/09/2022 16:41, Marek Vasut wrote:
> > > > > Enable DM USB, DM PHY and USB gadget support in imx8mm-mx8menlo SPL
> > > > > to let the board continue SDP loading of second stage after the
> first
> > > > > stage was loaded by BootROM SDP implementation. It is not possible
> to
> > > > > jump back into BootROM v1 and let the BootROM implementation
> continue
> > > > > the SDP loading, all this has to be performed by the U-Boot CI HDRC
> > > > > controller driver and SDP protocol implementation, both of which
> fit
> > > > > into the SPL just barely.
> > > > >
> > > > > With this patch, it is possible to start both U-Boot SPL and U-Boot
> > > > > using e.g. uuu on this board as follows:
> > > > >
> > > > > $ uuu -brun spl flash.bin
> > > > >
> > > > > Signed-off-by: Marek Vasut <marex at denx.de>
> > > >
> > > > This is great, I was able to test SPL SDP on an imx8mm-evk after
> > > > applying these
> > > > same changes to imx8mm-evk and reducing the SPL size.
> > >
> > > Fabio,
> > >
> > > Can you tell me what you did to reduce the SPL size?
> > >
> >
> > CONFIG_LTO from the other patch
>
> Bummer.  I was hoping there was more.  I already have LTO enabled.  I
> was hoping there was more to it.
>

What version of U-Boot are you using?

Mainline or some older one. Are you compile under yocto?

Michael



> adam
> >
> > Michael
> >
> > > adam
> > > >
> > > > For the series:
> > > >
> > > > Reviewed-by: Fabio Estevam <festevam at denx.de>
> >
> >
> >
> > --
> > Michael Nazzareno Trimarchi
> > Co-Founder & Chief Executive Officer
> > M. +39 347 913 2170
> > michael at amarulasolutions.com
> > __________________________________
> >
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>