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Date: Mon, 31 Dec 2007 16:09:12 +0800
From: "Jeyner Gil Caga" <jeynergilcaga@gmail.com>
To: "Misbah khan" <misbah_khan@engineer.com>, linuxppc-embedded@ozlabs.org
Subject: Re: How to do IO mapped Implimentation ???
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In ppc440 epx, I couldn't find any in_be8() or out_be8(), so I just use
in_8() and out_8().

gil


On 12/31/07, Misbah khan <misbah_khan@engineer.com> wrote:
>
>
> yes with respect to ioremap() its right ...i just missed the secound
> argument
> ....
>
> in_8() and out_8() will work fine or i need to use in_be8() and out_be8()
> on
> PPC architecture ????
>
> ---Misbah<><
>
>
> Misbah khan wrote:
> >
> > Hi all...
> >
> > I am writing a driver in which device port is mapped to CPLD and 8 bit
> > data bus is directly connected from processor to CPLD. Read write on
> CPLD
> > memory mapped (buffer/register) is required to control the device. This
> is
> > now IO mapped to processor.
> >
> > I need to know whether i am right if i impliment like this :-
> >          addr=ioremap(base_addr);          // Remap to Mem mapped
> address
> >          outb(addr) and inb(addr);
> >
> > Please suggest me if i am wrong or there could be better solution to
> this
> > .
> >
> > -----Misbah <><
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/How-to-do-IO-mapped-Implimentation-----tp14522349p14554843.html
> Sent from the linuxppc-embedded mailing list archive at Nabble.com.
>
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
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<div><br>In ppc440 epx, I couldn&#39;t find any in_be8() or out_be8(), so I just use in_8() and out_8().</div>
<div>&nbsp;</div>
<div>gil</div>
<div><br>&nbsp;</div>
<div><span class="gmail_quote">On 12/31/07, <b class="gmail_sendername">Misbah khan</b> &lt;<a href="mailto:misbah_khan@engineer.com">misbah_khan@engineer.com</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>yes with respect to ioremap() its right ...i just missed the secound argument<br>....<br><br>in_8() and out_8() will work fine or i need to use in_be8() and out_be8() on
<br>PPC architecture ????<br><br>---Misbah&lt;&gt;&lt;<br><br><br>Misbah khan wrote:<br>&gt;<br>&gt; Hi all...<br>&gt;<br>&gt; I am writing a driver in which device port is mapped to CPLD and 8 bit<br>&gt; data bus is directly connected from processor to CPLD. Read write on CPLD
<br>&gt; memory mapped (buffer/register) is required to control the device. This is<br>&gt; now IO mapped to processor.<br>&gt;<br>&gt; I need to know whether i am right if i impliment like this :-<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;addr=ioremap(base_addr);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// Remap to Mem mapped address
<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;outb(addr) and inb(addr);<br>&gt;<br>&gt; Please suggest me if i am wrong or there could be better solution to this<br>&gt; .<br>&gt;<br>&gt; -----Misbah &lt;&gt;&lt;<br>&gt;<br>&gt;<br><br>--<br>View this message in context: 
<a href="http://www.nabble.com/How-to-do-IO-mapped-Implimentation-----tp14522349p14554843.html">http://www.nabble.com/How-to-do-IO-mapped-Implimentation-----tp14522349p14554843.html</a><br>Sent from the linuxppc-embedded mailing list archive at 
<a href="http://Nabble.com">Nabble.com</a>.<br><br>_______________________________________________<br>Linuxppc-embedded mailing list<br><a href="mailto:Linuxppc-embedded@ozlabs.org">Linuxppc-embedded@ozlabs.org</a><br><a href="https://ozlabs.org/mailman/listinfo/linuxppc-embedded">
https://ozlabs.org/mailman/listinfo/linuxppc-embedded</a><br></blockquote></div><br>

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