Re: [Gumstix-users] Overo Tide - How to save u-boot environment?

[AJ O. <coo...@gm...>]

I followed the instructions from the wiki for the boot src, but I must be
missing something.

Without the boot.scr it loads all the way to a boot prompt.

With my boot.scr it hangs after uncompressing the kernel at "... done,
booting the kernel."

Here's the gist: https://gist.github.com/673375

and inline:

mybootenv.cmd:
setenv console ttyS2,115200n8
setenv loadaddr 0x82000000
setenv mpurate 720
setenv vram 4M
setenv mem 176M
setenv dvimode 1024x768MR-16@60
setenv defaultdisplay dvi
setenv mmcroot /dev/mmcblk0p2 rw
setenv mmcrootfstype ext3 rootwait
setenv ethaddr 00:00:00:FF:FF:FF
setenv mmcargs 'setenv bootargs console ${console} mpurate=${mpurate}
vram=${vram} mem=${mem} omapfb.mode=dvi:${dvimode} omapfb.debug=y
omapdss.def_disp=${defaultdisplay} root=${mmcroot}
rootfstype=${mmcrootfstype}'
setenv loaduimage 'fatload mmc 0 ${loadaddr} uImage'
setenv mmcboot 'echo Booting from mmc ...; run mmcargs; bootm ${loadaddr}'
run loaduimage
run mmcboot


mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "myubootenv" -d
myubootenv.cmd boot.scr


Any ideas?

AJ ONeal

On Thu, Nov 11, 2010 at 3:21 PM, Steve Sakoman <sa...@gm...> wrote:

> On Thu, Nov 11, 2010 at 1:43 PM, AJ ONeal <coo...@gm...> wrote:
> > I want to change a few things - mcpu, vram, mem, ethaddr.
> >
> > How do I save these?
> >
> > saveenv
> > Saving Environment to NAND...
> > Erasing Nand...
> > [hangs]
>
> As you might expect!  There is no NAND, and hence nowhere to save it :-)
>
> If you want to modify the default settings you will either need to
> build a custom u-boot or create a boot.scr file on the FAT partition
> that contains a script to make the changes you desire.
>
> Steve
>
>
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