[U-Boot-Users] [PATCH V2] Add the Harris QUAD100HD AMCC 405EP-based board.
Stefan Roese
sr at denx.de
Sun Apr 27 14:01:45 CEST 2008
On Saturday 26 April 2008, Gary Jennejohn wrote:
> > > +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
> > > +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
> > > +#define CFG_MONITOR_BASE 0xFFF80000
> >
> > CFG_MONITOR_BASE at 0xfff80000 makes me think that the U-Boot image has a
> > size of 512k. But CFG_MONITOR_LEN is 256k. Which one is correct? I would
> > think that 256k should be enough for this image.
>
> That's a valid point. Actually u-boot.bin is 512kB in length, but only
> because there's a reset vector at 0xFFFFFFFC. u-boot itself is really
> only 256kB in size.
>
> So now I wonder - what's correct? If CFG_MONITOR_LEN applies to RAM,
> which it seems to since it only really affects TOTAL_MALLOC_LEN, then
> 256kB is correct and no change is required.
I would change the image size to 256k to safe some space in FLASH. For this
you have to change TEXT_BASE (in config.mk in your board directory) to
0xfffc0000. And CFG_MONITOR_BASE too. Or even better:
#define CFG_MONITOR_BASE (TEXT_BASE)
> > Starting here
> >
> > > +#define CFG_FLASH_WORD_SIZE unsigned short
> > > +#define CFG_FLASH_ADDR0 0x0555
> > > +#define CFG_FLASH_ADDR1 0x02aa
> > > +#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
> >
> > till here. These defines are most likely not needed for the CFI driver.
> > Please remove them.
>
> OK, I'll look into it.
Thanks.
Best regards,
Stefan
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