[U-Boot] [PATCH 2/5] port wandboards to use the generic distro configs

Dennis Gilmore dennis at ausil.us
Fri Dec 6 15:48:54 CET 2013


El Fri, 06 Dec 2013 11:59:05 +0100
Wolfgang Denk <wd at denx.de> escribió:
> Dear Dennis Gilmore,
> 
> In message <1386296295-28658-3-git-send-email-dennis at ausil.us> you
> wrote:
> >
> > -	"fdt_addr=0x11000000\0" \
> > +	"fdt_addr=0x11100000\0" \
> > +	"fdt_addr_r=0x11200000\0" \
> 
> Why would you need fdt_addr and fdt_addr_r ?  This makes no sense.
> Two different values would only be needed if there was NOR flash
> available where we could read the FDT from without loading it to RAM
> first.  AFAIK ther ewill never be variants of the Wandboard with NOR
> flash, so you will always have to load the FDT to RAM first - thus the
> destinction makes no sense.

please go and read the cmd_pxe.c file it specifies the use of the two
variables. one is for a system provided dtb and the other is for a user
provided dtb

Dennis


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