From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 11902DDE1A for ; Mon, 31 Dec 2007 21:02:28 +1100 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1J9HTV-0001QV-0z for linuxppc-embedded@ozlabs.org; Mon, 31 Dec 2007 02:02:25 -0800 Message-ID: <14555864.post@talk.nabble.com> Date: Mon, 31 Dec 2007 02:02:25 -0800 (PST) From: Misbah khan To: linuxppc-embedded@ozlabs.org Subject: Re: How to do IO mapped Implimentation ??? In-Reply-To: <14522349.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii References: <14522349.post@talk.nabble.com> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I have used in_be32() and out_be32() for ppc8248 in one of my driver for FPGA in which the fpga memory is mapped here it is Io mapped thats the only difference ....remapping and using in_8() and out_8() will it work for BigEndian arch ???? -----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-----tp14522349p14555864.html Sent from the linuxppc-embedded mailing list archive at Nabble.com.