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

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