Hi David,
> -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf > Of David Brownell > Sent: Friday, January 09, 2009 2:36 PM > To: Andrea Gasparini > Cc: [email protected] > Subject: Re: davinci git updated to v2.6.28 > > On Friday 09 January 2009, Andrea Gasparini wrote: > > Kevin Hilman spiffera, alle venerdì 09 gennaio 2009 circa: > > > DaVinci git has been sync'd with the upstream (omap) tree at v2.6.28. > > > Boot tested a single kernel (davinci_all_defconfig) on dm6446, dm355 > > > and dm6467. > > > > Confirmed, I was able to compile and boot (still no rootfs, but seems > not a > > big problem) without sort of issues on a DM355 based board. :) > > You should be able to use root on an SD card... or initramfs. > > Using the dm9000 on the EVM for NFS root seems to work with > some versions of UBL but not others. I don't know that anyone > is looking at the problem there. I have started looking at this problem. It does fail for me and I am using the UBL that came with the release. Do you happen to know a UBL version with which dm9000 Ethernet works fine? > > Using NAND on dm355 from mainline GIT is NOT advisable at the > at the moment, at least with the EVM, because > > (a) the 2.6.10 kernel uses the 4-bit ECC hardware, as > it most certainly should!!, but that's not yet > supported in mainline, > (b) more problematically (b1) it scatters that ECC > data *inline* instead of storing it only in the > OOB area, and (b2) expects U-Boot to do the same. > > The RBL uses that nonstandard ECC layout; but there's no real > need for the UBL, U-Boot, or Linux to use it. The 2.6.10/2.6.18 (MV Pro 4.0/5.0) based releases use the non-standard NAND layout which is similar to the RBL. We are in the process of updating these releases to support standard NAND layout (2048 + 64 vs. 512+16, 512+16, 512+16, 512+16). It is a little tricky, due to the fact that the AEMIF controller handles 4-bit HW ECC for every 512-byte read. I am hoping, we do the standard layout on the GIT mainline, instead of the non-standard (legacy) layout. As long as UBL is written such that RBL can give control to it, we can have the standard layout both in U-Boot and Kernel. Let me know your thoughts. Thanks Sneha > > - Dave > > > > Thanks a lot for your effort. > > Bye! > > -- > > Andrea Gasparini > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
