[U-Boot] [PATCH V2 6/6] arm: mx5: Add support for DENX M53EVK

Stefan Roese sr at denx.de
Thu Apr 25 14:48:59 CEST 2013


On 25.04.2013 14:38, Marek Vasut wrote:
>>> Right, this is also correct. Anyway, BOOT_FROM is used to get the offset
>>> inside the storage, and only to be as much flexible as possible, each
>>> storage has defined its own offset. However, Freescale uses the same
>>> offset (0x400) for most storages (NAND, SD..) and another one for NOR or
>>> OneNAND  (0x1000). Maybe it is easier to have only this two cases.
>>
>> Yes, I would prefer that.
>>
>> And being at it, why don't we add the offset to the resulting image as
>> well? This would make programming the images to the destination (SD,
>> NAND, MMC etc) easier. We would not have to care for the correct offset
>> then (which is more error prone). And it is necessary btw, to have this
>> offset added, when using the FSL kobs-ng tool to program the image to
>> NAND flash.
> 
> This would interfere with MBR on SD cards, the offset is there for a reason ;-)

Yes, makes sense. But only for SD cards. On other mediums (e.g. SPI NOR,
NAND) this padded image would be easier (less error prone) to handle.

Thanks,
Stefan



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