From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Schwingen Date: Sun, 20 Jan 2008 22:28:58 +0100 Subject: [U-Boot-Users] "stacked" memory mapped flash assisted with GPIOs In-Reply-To: <200801201504.21000.vapier@gentoo.org> References: <200801200556.11352.vapier@gentoo.org> <47932FCC.3070302@discworld.dascon.de> <200801201504.21000.vapier@gentoo.org> Message-ID: <4793BD1A.40502@discworld.dascon.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Mike Frysinger wrote: >> I have not yet looked at the details of working with NAND flash, but the >> requirements should be similar. Maybe the NAND subsystem can be coerced >> to do what you need ... >> > > i dont think nand would be as much of a problem as it isnt directly > addressable. you have to go through the "nand" subsystem for reading/writing > while with parallel nor flash, it's directly addressable. Well, your parallel flash is *not* directly addressable, so it might be worth to check if the NAND code can be used (by providing a NAND low-level driver which redirects to your banked flash). cu Michael