[PATCH v3 2/3] arm: mvebu: mvebu_armada-37xx: Define the loadaddr environment variable

Pali Rohár pali at kernel.org
Mon Aug 16 10:22:30 CEST 2021


On Monday 16 August 2021 10:21:19 Luka Kovacic wrote:
> Hello Pali,
> 
> On Fri, Aug 13, 2021 at 3:59 PM Pali Rohár <pali at kernel.org> wrote:
> >
> > On Friday 13 August 2021 01:39:37 Luka Kovacic wrote:
> > > Add the loadaddr U-Boot environment variable, as this is available in
> > > the stock Marvell U-Boot by default on Marvell Armada A37XX platforms.
> > >
> > > Signed-off-by: Luka Kovacic <luka.kovacic at sartura.hr>
> > > Cc: Luka Perkov <luka.perkov at sartura.hr>
> > > Cc: Robert Marko <robert.marko at sartura.hr>
> > > ---
> > >  include/configs/mvebu_armada-37xx.h | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/include/configs/mvebu_armada-37xx.h b/include/configs/mvebu_armada-37xx.h
> > > index 8e8bcfa018..6901680e32 100644
> > > --- a/include/configs/mvebu_armada-37xx.h
> > > +++ b/include/configs/mvebu_armada-37xx.h
> > > @@ -110,6 +110,7 @@
> > >
> > >  /* fdt_addr and kernel_addr are needed for existing distribution boot scripts */
> > >  #define CONFIG_EXTRA_ENV_SETTINGS    \
> > > +     "loadaddr=0x6000000\0"          \
> >
> > Now I see where is the issue...
> >
> > In file include/env_default.h is:
> >
> > #ifdef  CONFIG_LOADADDR
> >         "loadaddr="     __stringify(CONFIG_LOADADDR)    "\0"
> > #endif
> >
> > So default value for loadaddr= is set only when CONFIG_LOADADDR is
> > defined.
> >
> > But lot of cmd load commands are using config option
> > CONFIG_SYS_LOAD_ADDR as a default value for load address.
> >
> > And also for espressobin we set correct value into CONFIG_SYS_LOAD_ADDR.
> >
> > I'm looking at the u-boot code and CONFIG_LOADADDR is used only by
> > cmd/qfw.c and include/env_default.h. And on all other places (in cmd
> > load commands) is used CONFIG_SYS_LOAD_ADDR.
> >
> > So for me it looks like that cmd/qfw.c and include/env_default.h should
> > be fixed to use CONFIG_SYS_LOAD_ADDR instead of CONFIG_LOADADDR.
> 
> Thanks, this makes sense now.
> I can correct this in the next patchset if that's okay with you.

Ok!

> >
> > >       "scriptaddr=0x6d00000\0"        \
> > >       "pxefile_addr_r=0x6e00000\0"    \
> > >       "fdt_addr=0x6f00000\0"          \
> > > --
> > > 2.31.1
> > >
> 
> Kind regards,
> Luka


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