[U-Boot-Users] Question about U-Boot in general and the AT91RM9200 in particular
wd at denx.de
Thu Jan 4 01:05:25 CET 2007
In message <200701031949.26084.javierruere at apexar.com> you wrote:
> For what I gather from the instructions from Atmel, there is always a
> bootloader before U-Boot, loading it from the dataflash, serial port or Flash
No, this is NOT correct. If you have NOR flash on your board (which
we consider a standard configuration) then U-Boot can boot directly,
without a primary bootstrap loader. This is the mode of operation you
want to have if your task is to get new hardware running.
> Would it work to put an uncompressed image of U-Boot at the beginning of the
> flash memory and let it initialize the board if I don't add the define I
> mentioned before?
If "flash memory" means NOR flash, then yes, this will work fine.
Actually this is the recommended (by me) mode of operation.
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