From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Mon, 8 Jul 2013 14:07:48 -0500 Subject: [U-Boot] TLB mapping for pcie mem space for fsl corenet processors In-Reply-To: <20130704181329.GA8752@Hardy> (from urwithsughosh@gmail.com on Thu Jul 4 13:13:29 2013) References: <20130704181329.GA8752@Hardy> Message-ID: <1373310468.8183.173@snotra> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 07/04/2013 01:13:29 PM, Sughosh Ganu wrote: > hi, > The tlb entries for the pcie mem space for the corenet SoC's is done > for 1.5GiB but certain boards use all the 4 pcie controller > instantiations, and each controller is assigned 512MiB size in the > config files. Should the tlb entries not map 2GiB space as against > 1.5GiB. Am i missing something. Thanks. You'll need to either use a smaller mapping for one or more PCIe controllers, or reduce the amount of RAM you map. There's no room to map 2GiB of RAM, 2GiB of PCIe, *and* CCSR, localbus, etc. Do you really need to access devices on all four controllers from within U-Boot? -Scott