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From: Laurent Pinchart <laurent.pinchart@tbox.biz>
To: Wolfgang Denk <wd@denx.de>
Subject: Re: MPC8260 SCC UART hardware flow control
Date: Thu, 20 Jul 2006 16:30:47 +0200
References: <20060719183740.22636352681@atlas.denx.de>
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On Wednesday 19 July 2006 20:37, Wolfgang Denk wrote:
> In message <200607191718.00328.laurent.pinchart@tbox.biz> you wrote:
> > I was wondering if anyone had implemented hardware flow control support
> > in the cpm_uart driver. If not, I would appreciate pointers regarding how
> > to do so.
>
> You can probably take our 2.4 kernel code as a starting point. But be
> aware of the inherent restrictions of the CPM, see
> http://www.denx.de/wiki/view/DULG/UseSCCUARTWithHardwareHandshake

I didn't know the CPM implemented hardware flow control as a DTE only. Thanks 
for the information. As our hardware connects to DCE devices this shouldn't 
be a problem.

> [In the end, you might want to configure  the  handshake  signals  as
> GPIO lines and controll these manually. But then you will have to ask
> yourself why you are using a CPM...]

Laurent Pinchart