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

Benoît Thébaudeau
2013-04-25T12:49:54Z

Hi Stefan,

On Thursday, April 25, 2013 2:48:59 PM, Stefan Roese wrote:
> Subject: Re: [U-Boot] [PATCH V2 6/6] arm: mx5: Add support for DENX M53EVK
>
> 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.

For NAND, we already have u-boot-with-nand-spl.imx. For SPI NOR, something
similar could be done, or this could be done by imximage.

Best regards,
Beno?t