[U-Boot-Users] [rfc] new spiflash subsystem

[Wolfgang Denk <wd@denx.de>]

In message <017901c8620a$d600f0c0$030514ac@atmel.com> you wrote:
> 
> There is a general problem with U-Boot which seems to assume
> that there is more RAM than flash in the system.

U-Boot does not make any such assumption - at least none of the ports
I know of.

> How do you easily copy 256 MB from an SD-Card to an onboard 256 MB NAND flash
> when the SDRAM is 64 MB?

Please read the archives. We've had this discussion a long time before.

> The vanilla way of supporting storage devices is really wasteful in resources, 
> and you cannot compare two memory areas if the memory area is larger than
> half the SDRAM size.

You can compare *memory* areas of any size that is mapped into the
processor's address space. I guess you are talking about storage
devices. 

Best regards,

Wolfgang Denk

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