From mboxrd@z Thu Jan 1 00:00:00 1970 From: elhobit Date: Tue, 06 Sep 2011 19:18:06 +0200 Subject: [U-Boot] Problems when copying data from flash to ram In-Reply-To: <201109061624.05177.marek.vasut@gmail.com> References: <1315317923.62298.YahooMailClassic@web29910.mail.ird.yahoo.com> <201109061624.05177.marek.vasut@gmail.com> Message-ID: <4E6655CE.4000803@yahoo.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Am 06.09.2011 16:24, schrieb Marek Vasut: > On Tuesday, September 06, 2011 04:05:23 PM wrote: >> Hello U-booters >> >> Hopefully someone can help me. I'm working on a tx25 target. >> >> I need to start my linux system from nand flash. i can load the >> kernel-uImage from tftp and start it directly without any problem. I >> stored the image to the a mtd partition. >> >> nand write.jffs2 0x81000000 kernel1 >> >> To continue I need to power off the System for a while. The first or the >> first few loadings of the kernel works but afterwards it is not any more >> possible to load the kernel correctly. the following commands have been >> done in one succession >> >> => nand read 0x81000000 kernel1 >> >> NAND read: device 0 offset 0x80000, size 0x400000 >> 4194304 bytes read: OK >> => iminfo >> >> ## Checking Image at 81000000 ... >> Legacy image found >> Image Name: Linux-2.6.31 >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1812416 Bytes = 1.7 MiB >> Load Address: 80008000 >> Entry Point: 80008000 >> Verifying Checksum ... OK >> => nand read 0x81000000 kernel1 >> >> NAND read: device 0 offset 0x80000, size 0x400000 >> 4194304 bytes read: OK >> => iminfo >> >> ## Checking Image at 81000000 ... >> Legacy image found >> Image Name: Linux-2.6.31 >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1812416 Bytes = 1.7 MiB >> Load Address: 80008000 >> Entry Point: 80008000 >> Verifying Checksum ... Bad Data CRC >> => >> >> Does anybody have an idea where the problem comes from. > What version of uboot do you use ? btw try ubi/ubifs, might be better than jffs > on big NAND devices. > > Cheers > I use U-Boot 2011.03 I have no idea how to save the Image on a ubi, sorry I'm quiet new to U-Boot. I tried the following instructions without any success nand write.ubi/ubifs nand write.ubi nand write.ubifs ubi help ubi Where can I find the manual for nand and ubi? I didn't find it on the denx wiki. Greez