[U-Boot] [PATCH 2/2][v2] powerpc: make espi can read more than 0xFFFA bytes

Mike Frysinger vapier at gentoo.org
Sat Apr 30 06:38:44 CEST 2011


On Friday, April 22, 2011 05:23:59 Xie Shaohui-B21989 wrote:
> From: Mike Frysinger
> >On Thu, Apr 21, 2011 at 2:05 AM, Shaohui Xie wrote:
> >> espi flash read returns invalid data if the read length is more than
> >> 0xFFFA bytes, it supports maximum transaction of 2^16 bytes at a time,
> >> resister spcom[TRANLEN] is 16 bits. If the transaction length is
> >> greater than  0xFFFF, it need to be split into multiple transactions.
> >
> >hrm, so how does this work under Linux ?  or does it just not ?
> 
> [Xie Shaohui] This does work under Linux, being solved in similar way.

so it doesnt work under Linux atm, but you're trying to get similar changes 
made to the Linux code upstream ?
-mike
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