DDR3 ODT resume to 120ohm
authorhecanyang <hcy@ubuntu-fs.(none)>
Fri, 11 May 2012 03:02:11 +0000 (11:02 +0800)
committerhecanyang <hcy@ubuntu-fs.(none)>
Fri, 11 May 2012 03:03:52 +0000 (11:03 +0800)
arch/arm/mach-rk30/ddr.c

index 428786300a5fa346a9cac9057b76360b96fe1fc6..3404abcece4e0ab069267d10c7b90438f963c8b2 100755 (executable)
@@ -1318,7 +1318,7 @@ static __sramfunc void ddr_adjust_config(uint32_t dram_type)
     //adjust DRV and ODT
     if(dram_type == DDR3)
     {
-        pPHY_Reg->ZQ0CR[1] = 0x5B;  //DS=40ohm,ODT=60ohm
+        pPHY_Reg->ZQ0CR[1] = 0x1B;  //DS=40ohm,ODT=120ohm
         pPHY_Reg->ZQ0CR[0] |= (1<<30);  //trigger
     }
     else if (dram_type == DDR2)