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Stefan Roese wrote:
<blockquote cite="mid:200808061146.08095.sr@denx.de" type="cite">
<pre wrap="">On Friday 01 August 2008, Wolfgang Denk wrote:
</pre>
<blockquote type="cite">
<pre wrap="">In message <a class="moz-txt-link-rfc2396E" href="mailto:48936FD4.3010802@harris.com"><48936FD4.3010802@harris.com></a> you wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I have verified that the Sequoia (440EPx) does not have its UARTs
properly configured. The attached patch corrects this by setting three
bits in SDR0_PFC1 to enable 4-wire mode, and to select cts/rts
functionality for the UARTs. Also, I modified the GPIO settings for
</pre>
</blockquote>
<pre wrap="">We definitely do NOT want any hardware handshake on the serial
console. Never.
</pre>
</blockquote>
<pre wrap=""><!---->
Ack, we don't want hardware handshake enabled in U-Boot. But if I understand
this correctly, then this patch from Steven configures the RTS/CTS lines
correctly (they are multiplexed with other signals), so that they *can* be
used by the OS if needed. It doesn't enable hardware handshake in U-Boot.
Steven please correct me if I am wrong here.
</pre>
</blockquote>
<br>
You are correct. The patch simply configures the lines to match the
schematic - it does not activate hardware handshake within U-Boot.<br>
<br>
Steve<br>
<br>
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