sc520: Move RAM sizing code from asm to C
diff --git a/include/configs/eNET.h b/include/configs/eNET.h
index 0891e1b..f50d36d 100644
--- a/include/configs/eNET.h
+++ b/include/configs/eNET.h
@@ -136,11 +136,11 @@
  * SDRAM Configuration
  */
 #define CONFIG_SYS_SDRAM_DRCTMCTL		0x18
+#define CONFIG_SYS_SDRAM_REFRESH_RATE		156
 #define CONFIG_NR_DRAM_BANKS			4
 
 /* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
 #undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
-#undef CONFIG_SYS_SDRAM_REFRESH_RATE
 #undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
 #undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
 #undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T