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

[Ilya Averyanov]

2012/4/21 Vasily Khoruzhick <anarsoul at gmail.com>

> 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.
>
> And how will you use the internal SRAM when you boot from NAND, if the SoC
writes in the SDRAM read data from NAND, and your data will be overwritten.

> Regards
> Vasily
>