- lbc->lbcr = CONFIG_SYS_LBC_LBCR;
- lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
- lbc->lsrt = CONFIG_SYS_LBC_LSRT;
+ lbc->lbcr = 0x00000000;
+ /* LB refresh timer prescal, 266MHz/32 */
+ lbc->mrtpr = 0x20000000;
+ /* LB sdram refresh timer, about 6us */
+ lbc->lsrt = 0x32000000;