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From: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
To: linux-sh@vger.kernel.org
Subject: Re: Question about sh-sci on SH7723
Date: Wed, 15 Apr 2009 02:52:39 +0000	[thread overview]
Message-ID: <49E54BF7.4040408@renesas.com> (raw)
In-Reply-To: <uk55vvebh.wl%morimoto.kuninori@renesas.com>

morimoto.kuninori@renesas.com wrote:
> Dear Iwamatsu
> 
>> We set function to use in PFC and it is from IO-port
>> and controls them.
>>
>> For example, we want to get RXD of SCIF0, setup PSELC and PTCR,
>> and get value from PTDR.
> 
> Hmm....
> Now I tried to watch PxDR behavior by JTAG.
> Then, I can read data from PxDR if PxCR is "I/O".
> But, I can not read data when PxCR is "Function".
> It is always 0x00.
> I think at least clock bit will change.
> 
> Do you know why ?
> 

In current code, when sci_handle_errors was called ,
sci_rxd_in seemed to come to be called it.
Did you check this?

Thanks,
  Nobuhiro

  parent reply	other threads:[~2009-04-15  2:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-08  6:40 Question about sh-sci on SH7723 morimoto.kuninori
2009-04-08 13:32 ` takasi-y
2009-04-09  2:03 ` morimoto.kuninori
2009-04-09  2:51 ` Nobuhiro Iwamatsu
2009-04-09  4:03 ` morimoto.kuninori
2009-04-09  4:25 ` morimoto.kuninori
2009-04-09  5:53 ` Nobuhiro Iwamatsu
2009-04-09  7:42 ` morimoto.kuninori
2009-04-10  5:24 ` morimoto.kuninori
2009-04-15  2:52 ` Nobuhiro Iwamatsu [this message]
2009-04-16  2:56 ` Kuninori Morimoto

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