[PATCH 4/4] ARM: dts: imx8m: imx8mm-mx8menlo: Enable SPL SDP support
Tim Harvey
tharvey at gateworks.com
Mon Sep 26 19:14:15 CEST 2022
On Mon, Sep 26, 2022 at 10:06 AM Adam Ford <aford173 at gmail.com> wrote:
>
> On Mon, Sep 26, 2022 at 11:59 AM Tim Harvey <tharvey at gateworks.com> wrote:
> >
> > On Sat, Sep 24, 2022, 2:54 PM Adam Ford <aford173 at gmail.com> wrote:
> > >
> > > On Sat, Sep 24, 2022 at 4:47 PM Marek Vasut <marex at denx.de> wrote:
> > > >
> > > > On 9/24/22 21:10, Adam Ford wrote:
> > > >
> > > > Hi,
> > > >
> > > > [...]
> > > >
> > > > > I am using the Mainline with the aarch64 gcc from Ubuntu 22.04. I am
> > > > > over by ~1100 bytes with LTO enabled, but I'm going through my SPL
> > > > > drivers to see what I can either remove or reduce functionality.
> > > >
> > > > Try
> > > >
> > > > $ aarch64...readelf -s spl/u-boot-spl | sort -nk 3
> > > >
> > > > That should give you a list of large symbols you might want to inspect.
> > >
> > > Thank you!
> > >
> >
> > Adam,
> >
> > I'm curious what you find as my SPL for imx8mm_venice_defconfig also
> > overflows by about 3K when enabling what's needed here for SDP as
> > well. I have 4 different dram configs which are chewing up about 1K
> > each.
>
> Tim,
>
> I have it building successfully now, and it loads over USB. I had to
> disable BD718x7 PMIC children binding which required a small change to
> the PMIC driver [1]. I then removed HS400, HS200 and UHS support in
> SPL. Once I did all that, the code size fit into SPL space.
>
> [1] - https://patchwork.ozlabs.org/project/uboot/patch/20220817112403.68144-2-aford173@gmail.com/
>
> I'll try to push my patch today or tomorrow. I was doing some other
> clean-up, but I might just push that as a small series in itself.
>
Adam,
Yes, I have already done those same things for imx8mm_venice but am
still 3K over due to my 4x dram configs. Each dram config must be
about 3K as I only have to remove one of them to successfully build.
Thanks,
Tim
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