[U-Boot] [PATCH] omap5_common: Add optargs variable for kernel command line args

[Tom Rini]

On Mon, Apr 15, 2013 at 12:40:19PM +0530, Sricharan R wrote:

> On Thursday 11 April 2013 08:52 PM, Tom Rini wrote:
> > Add 'optargs' variable to be set to additional kernel arguments, similar
> > to omap3*/am3* usage.
> > 
> > Cc: Sricharan R <r.sricharan at ti.com>
> > Signed-off-by: Tom Rini <trini at ti.com>
> > ---
> >  include/configs/omap5_common.h |    2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h
> > index 2751627..5384a55 100644
> > --- a/include/configs/omap5_common.h
> > +++ b/include/configs/omap5_common.h
> > @@ -150,10 +150,12 @@
> >  	"usbtty=cdc_acm\0" \
> >  	"vram=16M\0" \
> >  	"partitions=" PARTS_DEFAULT "\0" \
> > +	"optargs=\0" \
> >  	"mmcdev=0\0" \
> >  	"mmcroot=/dev/mmcblk0p2 rw\0" \
> >  	"mmcrootfstype=ext3 rootwait\0" \
> >  	"mmcargs=setenv bootargs console=${console} " \
> > +		"${optargs} " \
>  Sorry, what is this used for ?

The common form is you set this in uEnv.txt to whatever you happen to
need (say force the display to be some resolution) and not have to
re-write the whole of mmcargs.  Or other times you want to pass in
additional args, without modifying the rest of the boot logic.

-- 
Tom
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