From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Thu, 26 Apr 2012 13:20:07 -0600 Subject: [U-Boot] [PATCH v3 0/7] tegra: Add NAND flash support In-Reply-To: <20120426183216.GB27527@avionic-0098.mockup.avionic-design.de> References: <1334688614-4977-1-git-send-email-sjg@chromium.org> <20120426105056.GA11784@avionic-0098.mockup.avionic-design.de> <4F9965FE.6040800@wwwdotorg.org> <20120426183216.GB27527@avionic-0098.mockup.avionic-design.de> Message-ID: <4F999FE7.1000504@wwwdotorg.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 04/26/2012 12:32 PM, Thierry Reding wrote: > * Stephen Warren wrote: >> Yes, I'd recommend not putting information in DT that can be easily >> extracted from the partition table on the device itself. > > The problem is that neither the format of the BCT nor that of the PT is > documented anywhere. It seems like the BCT contains a reference to where in > the flash the PT starts but I wasn't able to find out where. I have filed an internal bug to request this information be added to the TRM. We will see what happens. > Actually I'd need more than those three partitions. I need at least five, > optimally six. In addition to BCT, PT and EBT I need one for the uImage and > the root filesystem. Oh I see; you're mingling the boot flash and filesystem into a single memory device. It simpler (but I imagine more costly) not too:-) > As I said before, the biggest problem with updating the whole content is that > there's no documentation about either the BCT or the PT. There's cbootimage > on gitorious that has some information about the BCT, but it's incomplete. Out of curiosity, what's missing from cbootimage?