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From: Matthew Locke <mlocke@mvista.com>
To: Frank Przybylski <Frank.Przybylski@vas-gmbh.de>
Cc: "'linuxppc-embedded@lists.linuxppc.org'"
	<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: I2C,SPI and QMC
Date: Mon, 07 Aug 2000 10:42:31 -0700	[thread overview]
Message-ID: <398EF507.AA56B9FF@mvista.com> (raw)
In-Reply-To: 398EE632.D9A867E@vas-gmbh.de


Frank Przybylski wrote:
>
> Hi all,
> I plan to use QMC on SCC1 plus SPI on a MPC855T / 860DT for an ISDN BRI
> implementation. I also need I2C for other purposes.
> Following the QMCSUPPLEMENT/AD manual from Motorola I found that one looses
> either I2C using SCC1 for QMC/Ethernet or SPI using SCC2 for QMC/Ethernet.
> I hoped that the I2C/SPI micro code patch would do the trick. But scanning this
> mailing list archive I got aware of troubles with this, or even worse that the
> patch has been removed from the kernel.
> So my question goes like this:
>  has anybody managed to use I2C, SPI and QMC on SCC1 altogether, or am I lost
> without any hope?
>

I have successfully used SPI with ethernet on SCC2 with the microcode
patch. However, I did that on a 823, I haven't tried it on the 855/860.
I think I have used the i2c driver with the microcode patch on a 860,
but don't quote me.  This was all on the Embedded Planet boards.


Matthew Locke
Montavista Software
http://www.mvista.com

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2000-08-07 17:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-06-09 10:19 Changes in the MPC8xx I2C driver Kim Jørgensen
2000-06-09 17:13 ` Dan Malek
2000-08-07 16:39 ` I2C,SPI and QMC Frank Przybylski
2000-08-07 17:42   ` Matthew Locke [this message]
2000-08-08 19:27     ` Dan Malek
2000-08-09  8:40       ` Frank Przybylski

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