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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 ???
Date: Sat, 29 Dec 2007 01:35:09 +0800	[thread overview]
Message-ID: <cad107560712280935w6b232f03vd4653e4715191c20@mail.gmail.com> (raw)
In-Reply-To: <14522349.post@talk.nabble.com>

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Hi Misbah,

If I am not mistaken, ioremap takes 2 parameters,
ioremap(base_addr,size_to_remap). i have tried out_8() and in_8() to issue
the command.


Regards,
gil

On 12/28/07, Misbah khan <misbah_khan@engineer.com> 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-----tp14522349p14522349.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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  reply	other threads:[~2007-12-28 17:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-28  5:12 How to do IO mapped Implimentation ??? Misbah khan
2007-12-28 17:35 ` Jeyner Gil Caga [this message]
2007-12-31  6:46 ` Misbah khan
2007-12-31  8:09   ` Jeyner Gil Caga
2007-12-31 10:02 ` Misbah khan
2007-12-31 11:57   ` Jeyner Gil Caga
2007-12-31 12:44 ` Misbah khan
2007-12-31 14:43   ` Jeyner Gil Caga
2008-01-02  9:18 ` Misbah khan

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