On Thu, Jan 15, 2009 at 02:46:28PM -0200, Alemao wrote: > I was using a NAND flash from ST Micro, 512 Mbit, with no problems in > U-boot-1.2.0. I'm guessing that 1.2.0 was a BSP u-boot, that was not upstream. I don't think upstream 1.2.0 had UPM NAND support. Could you try the latest upstream U-boot? What board are you using? -Scott