[U-Boot] [PATCH] arm: at91sam9n12: change EBI IO to high drive mode

Albert ARIBAUD albert.u.boot at aribaud.net
Wed Jul 17 12:10:40 CEST 2013


Hi Bo,

On Wed, 17 Jul 2013 17:14:17 +0800, Bo Shen <voice.shen at atmel.com>
wrote:

> As both the DDR SDRAM and NAND flash connect to EBI on at91sam9n12
> and share the lower 8 bits data line. If use low drive of the data
> line, it will cause DDR data access corrupt in lower address, so
> change the data line to high drive mode
> 
> This will fix the Linux kernel boot issue when use Lower address

Wait--does this mean that there is no separate chip selects for NAND and
DDR on this SoC?

Amicalement,
-- 
Albert.


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