> my mpc8572ds (2x 512 MiB ram) had initially u-boot 1.3.0-rc2 and I > haven't notice any problems. Today I updated u-boot to > v2009.03 because > I was not able to boot current vanilla linux kernel in smp mode. > Since then I experience random kernel opses. I thing it has > something to > do with memory setup. The settings in the ddr controller changed from > (v1.3.0-rc2): > - ddr->sdram_mode 0x00400a62; > - ddr->sdram_data_init = 0x00000000; > - ddr->sdram_cfg_2 = 0x04401000; > > to (v2009.03): > - ddr->sdram_mode 0x00440a62 > - ddr->sdram_data_init 0xdeadbeef > - ddr->sdram_cfg_2 0x24401000 > > I cherry-picked commit 6a819783 aka "fsl-ddr: Fix two bugs in the ddr > infrastructure" but nothing improved. > > Now I've picked v1.3.0-rc2 and linux v2.6.29. With that combination > everything seems to work however I experience sometimes ICE while > compiling. If I continue to compile from that point there is no ICE > anymore so it does not look like a gcc bug to me. > > Any suggestions? Someone with similar problems?
It seems like you are happening the DDR memory issue. Have a dump all of DDR registers for both v1.3.0-rc2 and v2009.03. Check if anything is different. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
