[PATCH v1 2/2] board: verdin-am62: fix check for minimum memory size
Nishanth Menon
nm at ti.com
Thu Aug 24 16:58:56 CEST 2023
On 16:37-20230824, Francesco Dolcini wrote:
> Hello Nishanth,
>
> On Thu, Aug 24, 2023 at 07:14:12AM -0500, Nishanth Menon wrote:
> > On 10:08-20230824, Emanuele Ghidoli wrote:
> > > From: Emanuele Ghidoli <emanuele.ghidoli at toradex.com>
> > >
> > > verdin am62 SKUs comes in multiple memory configuration, check that
> > > the detected memory is at least 512MB since we have some
> > > reserved memory just before this threshold and therefore
> > > the module cannot work with less memory.
> > >
> > > Fixes: 7d1a10659f5b ("board: toradex: add verdin am62 support")
> > > Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli at toradex.com>
> > > ---
> > > board/toradex/verdin-am62/verdin-am62.c | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/board/toradex/verdin-am62/verdin-am62.c b/board/toradex/verdin-am62/verdin-am62.c
> > > index a3d1d07a0cbf..d09dda5bccc9 100644
> > > --- a/board/toradex/verdin-am62/verdin-am62.c
> > > +++ b/board/toradex/verdin-am62/verdin-am62.c
> > > @@ -28,8 +28,8 @@ int dram_init(void)
> > > {
> > > gd->ram_size = get_ram_size((long *)CFG_SYS_SDRAM_BASE, CFG_SYS_SDRAM_SIZE);
> > >
> > > - if (gd->ram_size < SZ_64M)
> > > - puts("## WARNING: Less than 64MB RAM detected\n");
> > > + if (gd->ram_size < SZ_512M)
> > > + puts("## WARNING: Less than 512MB RAM detected\n");
> >
> > Have you considered fdtdec_setup_mem_size_base
> > fdtdec_setup_memory_banksize - in which case the reserved memory
> > regions can be changed in dt (will need corresponding custom binaries
> > ofcourse)..
>
> I would say that custom binaries is not something we want. Our goal is
> to rely on whatever TI is providing and to not deviate from it unless
> required. Luckily enough for the moment it works since our
> minimum memory size is 512MB.
Sure - you will still benefit using fdtdec_setup_mem_size_base and
fdtdec_setup_memory_banksize, but really, your call.
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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