[U-Boot] is it possilbe to have uboot find the kernel in the file system?

[Bo Shen]

Hi John Stile,

On 01/05/2013 09:25 AM, John Stile wrote:
>
> u-boot-2012.10 build does compile with buildroot's .conf settings
> BR2_TARGET_UBOOT_BOARDNAME="at91sam9g20ek_dataflash_cs1"
> or
> BR2_TARGET_UBOOT_BOARDNAME="at91sam9g20ek_nandflash"
>
> But after writing my ubootEnvtFileDataFlash.bin to NOR with sam-ba
> utility (which works with the u-boot-1.3.4), it is not found by the ROM
> boot loader, so I'm not sure where to go for help.
>
> I know ROM boot loader executes what ever it finds at NOR start
> (0xD0000000) +0x00008400.
>
> Does anyone else use a at91sam uboot-2012 and sam-ba, or have any other
> suggestions?

Please check the text base of u-boot for at91sam9g20ek.
If you use the old bootstrap, it jump to 0x23f00000 after reading 
u-boot, while the v2012.10 u-boot use 0x21f00000 as its text base.
If so, you can change u-boot or bootstrap to keep the two address the same.

Best Regards,
Bo Shen

>
>
>
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