[U-Boot] At91rm9200dk ...Uboot ...How to download this uboot directly to flash

[U-Boot] At91rm9200dk ...Uboot ...How to download this uboot directly to flash

[Rajeesh.R]

Hi,

I have tried to  down load uboot bin via  xmodem 

I am using serial flash AT45DB642D  . My aim is to boot from this
flash . 

regards
Rajeesh


Dear Rajeesh.R,

Am 28.06.2010 06:51, schrieb Rajeesh.R:
> Hi,
> 
> I have compiled Uboot version u-boot-2010.06-rc3  and I got bin file .
> 
> I tried it to download bin file to at91rm9200dk board it stops after
> some time witth error .
How did you try to load the file to your device?

> I think this is due to insufficient of SRAM capability ie 16KB SRAM
> uboot size is 107KB
I think you have chosen the BOOTROM based upload via xmodem cause you
talk about SRAM size which does not matter if you boot from NOR flash on
CS0.

[U-Boot] At91rm9200dk ...Uboot ...How to download this uboot directly to flash

[Andreas Bießmann]

Dear Rajeesh.R,

Am 28.06.2010 09:20, schrieb Rajeesh.R:
> Hi,
> 
> I have tried to  down load uboot bin via  xmodem 
You will need a bootstrap loader for this ... U-Boot will not fit in SRAM!

> I am using serial flash AT45DB642D  . My aim is to boot from this
> flash . 
Ouch ok, I could have seen this in older messages.

I did not manage booting from serial dataflash for AT91SAM9263 by only
using U-Boot (someone could give another advice if this is not correct).
I used a bootstrap loader called at91bootstrap. Unfortunately there are
only AT91SAM devices supported.

I also did some at91rm9200 bootstrap hacking for xmodem upload years
ago. Will search for this software this evening and contact you off list
since this is not U-boot related.

> regards
> Rajeesh

regards
Andreas Bie?mann