[U-Boot] [PATCH v3] Add support for MINI2440 (s3c2440). Documentation about the product can be found on: http://www.friendlyarm.net/products/mini2440

Marek Vasut marex at denx.de
Sat Apr 21 12:39:33 CEST 2012


Dear Vasily Khoruzhick,

> 2012/4/21 Ilya Averyanov <averyanovin+uboot at gmail.com>:
> > No have problem.
> > Available only if you boot from NOR flash.
> > If you boot from the NAND 4kb of SRAM (steppingstone) not available.
> 
> For NAND boot it's mapped at 0x0
> For NOR boot it's mapped at 0x40000000
> 
> NAND controller uses it for booting purpose, but anyway for SPL we
> should fit code into
> 4k (hardware limitation), so I think using assembly here for SDRAM init is
> OK.

Now you claim that you can use SRAM for stack in all possible cases damnit. So 
there is not even a need for locking cache lines. So use the SRAM and be done 
with it.

> Regards
> Vasily

Best regards,
Marek Vasut


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