From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Sat, 1 May 2010 05:24:40 +0200 Subject: [U-Boot] [OT] - Seeking information Re: Memory Mapped CF Card (IDE) and Linux In-Reply-To: <4BDAE529.20903@gmail.com> References: <4BDAE529.20903@gmail.com> Message-ID: <201005010524.40949.marek.vasut@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dne P? 30. dubna 2010 16:11:53 Graeme Russ napsal(a): > Hi All, > > I'm looking for information on how to access a Compact Flash card which is > memory-mapped (from 0x20001000) > > From what I have read, there a 3 address lines (8 addresses) which access > IDE registers within the CF chip > > My question is, how do I access such a custom address range within Linux? > > I'm looking at the 'OF-platform PATA driver' which appears to be what I > want (a very basic IDE driver) but I am a bit lost on how to set up a > specific base address. > > Where should I look for examples of CF cards mapped to specific address > spaces? > > TIA Hey, look at pata_platform.c driver. Without any additional setup, your drive will work. You just specify IRQ line (if any) and CTL and CMD addresses. Cheers > > Graeme > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot