[U-Boot] [PATCH] ARC: Move ENV_SIZE and ENV_OFFSET to Kconfig

Alexey Brodkin alexey.brodkin at synopsys.com
Wed Jan 16 16:26:16 UTC 2019


Hi Tom,

> -----Original Message-----
> From: Tom Rini <trini at konsulko.com>
> Sent: Wednesday, January 16, 2019 7:25 PM
> To: Alexey Brodkin <alexey.brodkin at synopsys.com>
> Cc: u-boot at lists.denx.de; uboot-snps-arc at synopsys.com; Michal Simek <michal.simek at xilinx.com>; Simon
> Glass <sjg at chromium.org>
> Subject: Re: [PATCH] ARC: Move ENV_SIZE and ENV_OFFSET to Kconfig
> 
> On Wed, Jan 16, 2019 at 04:22:22PM +0000, Alexey Brodkin wrote:
> > Hi Tom,
> >
> > > -----Original Message-----
> > > From: Tom Rini <trini at konsulko.com>
> > > Sent: Wednesday, January 16, 2019 7:19 PM
> > > To: Alexey Brodkin <alexey.brodkin at synopsys.com>
> > > Cc: u-boot at lists.denx.de; uboot-snps-arc at synopsys.com; Michal Simek <michal.simek at xilinx.com>;
> Simon
> > > Glass <sjg at chromium.org>
> > > Subject: Re: [PATCH] ARC: Move ENV_SIZE and ENV_OFFSET to Kconfig
> > >
> > > On Wed, Jan 16, 2019 at 07:11:15PM +0300, Alexey Brodkin wrote:
> > >
> > > > Join the party of some ARM boards and drop more
> > > > items from include/configs/xxx.h.
> > > >
> > > > Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> > > > Cc: Michal Simek <michal.simek at xilinx.com>
> > > > Cc: Simon Glass <sjg at chromium.org>
> > > > Cc: Tom Rini <trini at konsulko.com>
> > > > ---
> >
> > [snip]
> >
> > > >  config ENV_OFFSET
> > > >  	hex "Environment Offset"
> > > > @@ -441,6 +441,7 @@ config ENV_OFFSET
> > > >  	default 0x88000 if ARCH_SUNXI
> > > >  	default 0xE0000 if ARCH_ZYNQ
> > > >  	default 0x1E00000 if ARCH_ZYNQMP
> > > > +	default 0
> > >
> > > Please make this "if ARC", thanks!
> >
> > Actually I don't like having here listed all the boards
> > because with more boards/arches moving ENV settings to Kconfig
> > we'll get here all of them listed at some point.
> > Why default ENV_OFFSET [as well as] ENV_SIZE are not set in
> > arch/soc/board top-level Kconfig?
> 
> I believe the answer is that having config FOO prompt in one place and N
> config FOO values results in lots of churn in the defconfig files when
> they get re-synced.  So yes, having N lines of default X if Y with the
> prompt is what we want, at least until everything is converted and then
> we can see if no, really, moving the defaults to some defined /
> consistent locations doesn't result in so much churn.

Ok that's fine by me.
Sending a re-spin.

-Alexey


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