[U-Boot] [PATCH] mpc83xx: fix undefined reference to `flush_cache' error in simpc8313 build

[Ron Madrid <ron_madrid@sbcglobal.net>]

--- On Wed, 1/28/09, Scott Wood <scottwood@freescale.com> wrote:

> From: Scott Wood <scottwood@freescale.com>
> Subject: Re: [U-Boot] [PATCH] mpc83xx: fix undefined reference to `flush_cache' error in simpc8313 build
> To: "Wolfgang Denk" <wd@denx.de>
> Cc: ron_madrid at sbcglobal.net, u-boot at lists.denx.de, "Kim Phillips" <kim.phillips@freescale.com>
> Date: Wednesday, January 28, 2009, 12:24 PM
> Wolfgang Denk wrote:
> > It fails for me, too, but differently:
> > 
> > -> ./MAKEALL SIMPC8313_LP
> > ...Large Page NAND...Configuring for SIMPC8313
> board...
> > ppc_5xx-ld: NAND bootstrap too big
> > ppc_5xx-ld: NAND bootstrap too big
> > make[1]: ***
> [/home/wd/git/u-boot/work/nand_spl/u-boot-spl] Error 1
> > make: *** [nand_spl] Error 2
> > make: *** Waiting for unfinished jobs....
> 
> We could cut out some bytes by making the large/small page
> distinction at compile-time rather than runtime.  Also, some
> of the strings could be cut down in size, and we could use
> raw accessors plus explicit barriers.

It would seem that the drivers/serial/ns16550.c file currently being
included in my project has a few functions that are completely unused
by my board.  Is it allowable to duplicate the two functions I do use
(NS16550_putc and NS16550_init) in my code within a #ifdef CONFIG_NAND_SPL? This saves about 120 (decimal) bytes in the bootstrap image.

Ron