On Thu, Mar 15, 2012 at 09:20:34PM -0400, jonsm...@gmail.com wrote: > The ext2 file system code is reading the kernel image off from my SD > card one sector at a time. Of course this takes 61 seconds to get the > kernel in to memory. Loading the same kernel off from the same SD on > FAT takes less than a second. > > Nice quick FAT reads... > > reading uImage > JDS start 7c0 count 1 > JDS start 9d0 count 2 > JDS start 7d0 count 6 > JDS start 1aa0 count 1090 > JDS start 2b30 count e > JDS start 2b3e count 1 > > Ext2 takes about 8,000 single sector reads. File is not fragmented, it > is the only file on a freshly formatted volume. > Is there anyway to convince the ext2 code to use larger reads?
Take a look at my patch submitted here: http://www.mail-archive.com/u-boot@lists.denx.de/msg80677.html Let me know if that works for you. hth, Jason. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
