[U-Boot] [PATCH 2/2][v2] Add readme of how to boot from espi flash for p4080ds.

[Wolfgang Denk <wd@denx.de>]

Dear Xie Shaohui-B21989,

In message <267A3B246C22C34A8E574051858E0770018A64@039-SN1MPN1-003.039d.mgd.msft.net> you wrote:
>
> This README describes how to build an Image can be used by PBL (pre-boot
> loader), building u-boot image is the first step, then RCW, PBI
> commands, XXD dump of u-boot.bin, the tool will combine the RCW and PBI
> and XXD dump together to produce the PBL XXD file, suppose the PBL XXD
> file is saved as x.xxd, we need to run "xxd -r x.xxd > pbl_image.bin" to
> produce the final PBL Image. Take a look at the whole process, I see no
> way it can be scripted / automatized.

You cannot reasonably expect of any of your users to go through
such a pain.  This is plain unacceptable.

Please come up with a simple solution that can be integrated into the
U-Boot build procedure.

Things like hex-dumping images and copy & pasting the hexdumps to
some proprietary tool and then going through the same pain again just
backwards may have been acceptable 20 years ago.  Not so any more.

Best regards,

Wolfgang Denk

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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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