From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Fri, 12 Apr 2013 08:19:02 +0200 Subject: [U-Boot] [PATCH v3 0/7] Add support for using an UBI volume for environment In-Reply-To: <20130411222626.GK9914@bill-the-cat> References: <1364334811-3118-1-git-send-email-joe.hershberger@ni.com> <1365453172-28746-1-git-send-email-joe.hershberger@ni.com> <20130411222626.GK9914@bill-the-cat> Message-ID: <5167A756.2010104@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Joe, On 12.04.2013 00:26, Tom Rini wrote: > On Mon, Apr 08, 2013 at 03:32:45PM -0500, Joe Hershberger wrote: > >> NAND is not good at handling absolute addresses to sectors for storing >> particular data. The current implementation of the NAND env support >> works around this in several ways such as storing a pointer to the >> sector in the OOB of the first sector (interferes with some CRC) or >> supporting a range of sectors (which unless it is huge is not >> guaranteed to be safe). None of these options address wear-leveling >> concerns or bad block handling. >> >> Accessing the u-boot env from UBI eliminates these concerns. However, >> it does require some of the basic settings for finding the UBI env to >> be in the default u-boot env. One question: Do you plan to support the fw_env Linux tools with this env-in-UBI feature as well? Thanks, Stefan