Re: [Gumstix-users] MY first Bootable MMC

[Neil M. <ne...@gu...>]

There is a page on the wiki about creating your own boot scripts.

     http://www.gumstix.net/wiki/index.php?title=U-Boot

They are particularly useful when you are using an Overo Tide since you 
can't save the boot environment to NAND


Neil



On 11-01-11 06:00 PM, Bob Cochran wrote:
> Hi Bill,
>
> Congratulations! Well done!
>
> The "** Unable to read "boot.scr" message is normal to see most of the
> time. One of the things that the OMAP processor looks for at boot time
> is a boot.scr file, but it is optional, not mandatory. A boot.scr file
> contains environment commands that let you set various things such as
> the default display:
>
> setenv defaultdisplay dvi
> savenv
>
> The above is just a quick example.
>
> A boot.scr file helps you configure your board outside of Linux. Often
> you don't have this file on your boot partition of the SD card, because
> you have no reason or need to have one. You can also stop the autoboot
> process (most of the time) by pressing any keyboard key at the prompt,
> and manually key in configuration commands, and then continue the boot
> process.
>
> Enjoy your system.
>
> Bob
>
>
>
>
> On 01/11/2011 08:16 PM, William Pretty Security Inc wrote:
>> Well. I think I may have created my first bootable 4GB MMC card J
>>
>> There does appear to be one error though:
>>
>> Can someone please tell me what “boot.scr” is ??
>>
>> And how come it is loading u-boot.bin from nand ??
>>
>> Thanks …
>>
>> Texas Instruments X-Loader 1.4.2 (Jan 1 2010 - 10:18:38)
>>
>> Reading boot sector
>>
>> Loading u-boot.bin from nand
>>
>> U-Boot 2009.11 (Apr 27 2010 - 08:24:38)
>>
>> OMAP3503-GP ES3.1, CPU-OPP2, L3-165MHz, Max clock-600Mhz
>>
>> Gumstix Overo board + LPDDR/NAND
>>
>> I2C: ready
>>
>> DRAM: 256 MB
>>
>> NAND: 256 MiB
>>
>> *** Warning - bad CRC or NAND, using default environment
>>
>> In: serial
>>
>> Out: serial
>>
>> Err: serial
>>
>> Board revision: 1
>>
>> No EEPROM on expansion board
>>
>> Die ID #1e0600040000000004037d090801e00b
>>
>> Net: No ethernet found.
>>
>> Hit any key to stop autoboot: 0
>>
>> mmc1 is available
>>
>> reading boot.scr
>>
>> Invalid FAT entry
>>
>> ** Unable to read "boot.scr" from mmc 0:1 **
>>
>> reading uImage
>>
>> 3160108 bytes read
>>
>> Booting from mmc ...
>>
>> ## Booting kernel from Legacy Image at 82000000 ...
>>
>> Image Name: Angstrom/2.6.34/overo
>>
>> Image Type: ARM Linux Kernel Image (uncompressed)
>>
>> Data Size: 3160044 Bytes = 3 MB
>>
>> Load Address: 80008000
>>
>> Entry Point: 80008000
>>
>> Verifying Checksum ... OK
>>
>> Loading Kernel Image ... OK
>>
>> OK
>>
>> Starting kernel ...
>>
>> Uncompressing Linux... done, booting the kernel.
>>
>> Linux version 2.6.34 (bill@GnuRadio) (gcc version 4.3.3 (GCC) ) #1 Thu
>> Jan 6 22:54:24 EST 2011
>>
>>
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> malware threats, the impact they can have on your business, and how you
> can protect your company and customers by using code signing.
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