[U-Boot-Users] [PATCH] Where does U-Boot's CFI driver check for top/bottom boot?

[Spence Nick-rxtd10]

Tolunay Orkun wrote:
> Subject: Re: [U-Boot-Users] [PATCH] Where does U-Boot's CFI 
> driver check for top/bottom boot?
> 
> Here is the patch (attached) that handles top boot geometry 
> reversal case on AMD flash.
> 

You probably need to add a check that ext_addr is non-zero. If the
extended query table is not present then you can't read the version
number (otherwise you read the reserved section at 0h which is
undefined)

Nick