On Mon, Jul 06, 2009 at 02:39:26PM -0300, Alemao wrote: > Hi all, > > I've made ports of u-boot for two powerpc processors, MPC8343 and > MPC8541. > > The boards has 128MB of DDR2. So I enabled CFG_DRAM_TEST in 127MB > of those memories, and I got two scenarios: > > MPC8343(ddr_clk = 264 MHz): test tooks 1min 35sec > > MPC8541(ddr_clk = 333 MHz): test tooks 5 sec > > Note: memories get ddr_clk / 2 > > Make sense? > Is this cause MPC85xx family has L2 cache? > Or cause ddr_clk? Or my port has problems in DDR configuration? > > Im using Micron DDR2 memory, MT47H32M16HR-3:F, with CL = 3 for both ports.
I believe data cache is disabled on 83xx in u-boot. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot