-#define CFG_LBC_LCRR 0x00030004 /* local bus freq */
-#define CFG_LBC_LBCR 0x00000000
-#define CFG_LBC_LSRT 0x20000000
-#define CFG_LBC_MRTPR 0x20000000
-#define CFG_LBC_LSDMR_1 0x2861b723
-#define CFG_LBC_LSDMR_2 0x0861b723
-#define CFG_LBC_LSDMR_3 0x0861b723
-#define CFG_LBC_LSDMR_4 0x1861b723
-#define CFG_LBC_LSDMR_5 0x4061b723
-
-#if defined(CONFIG_RAM_AS_FLASH)
-#define CFG_BR4_PRELIM 0xf8000801 /* 32KB, 8-bit wide for ADS config reg */
-#else
-#define CFG_BR4_PRELIM 0xfc000801 /* 32KB, 8-bit wide for ADS config reg */
-#endif
+
+#define CFG_LBC_LCRR 0x00030004 /* LB clock ratio reg */
+#define CFG_LBC_LBCR 0x00000000 /* LB config reg */
+#define CFG_LBC_LSRT 0x20000000 /* LB sdram refresh timer */
+#define CFG_LBC_MRTPR 0x20000000 /* LB refresh timer prescal*/
+
+/*
+ * LSDMR masks
+ */
+#define CFG_LBC_LSDMR_RFEN (1 << (31 - 1))
+#define CFG_LBC_LSDMR_BSMA1516 (3 << (31 - 10))
+#define CFG_LBC_LSDMR_BSMA1617 (4 << (31 - 10))
+#define CFG_LBC_LSDMR_RFCR5 (3 << (31 - 16))
+#define CFG_LBC_LSDMR_RFCR16 (7 << (31 - 16))
+#define CFG_LBC_LSDMR_PRETOACT3 (3 << (31 - 19))
+#define CFG_LBC_LSDMR_PRETOACT7 (7 << (31 - 19))
+#define CFG_LBC_LSDMR_ACTTORW3 (3 << (31 - 22))
+#define CFG_LBC_LSDMR_ACTTORW7 (7 << (31 - 22))
+#define CFG_LBC_LSDMR_ACTTORW6 (6 << (31 - 22))
+#define CFG_LBC_LSDMR_BL8 (1 << (31 - 23))
+#define CFG_LBC_LSDMR_WRC2 (2 << (31 - 27))
+#define CFG_LBC_LSDMR_WRC4 (0 << (31 - 27))
+#define CFG_LBC_LSDMR_BUFCMD (1 << (31 - 29))
+#define CFG_LBC_LSDMR_CL3 (3 << (31 - 31))
+
+#define CFG_LBC_LSDMR_OP_NORMAL (0 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_ARFRSH (1 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_SRFRSH (2 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_MRW (3 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_PRECH (4 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_PCHALL (5 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_ACTBNK (6 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_RWINV (7 << (31 - 4))
+
+#define CFG_LBC_LSDMR_COMMON ( CFG_LBC_LSDMR_BSMA1516 \
+ | CFG_LBC_LSDMR_RFCR5 \
+ | CFG_LBC_LSDMR_PRETOACT3 \
+ | CFG_LBC_LSDMR_ACTTORW3 \
+ | CFG_LBC_LSDMR_BL8 \
+ | CFG_LBC_LSDMR_WRC2 \
+ | CFG_LBC_LSDMR_CL3 \
+ | CFG_LBC_LSDMR_RFEN \
+ )
+
+/*
+ * SDRAM Controller configuration sequence.
+ */
+#define CFG_LBC_LSDMR_1 ( CFG_LBC_LSDMR_COMMON \
+ | CFG_LBC_LSDMR_OP_PCHALL)
+#define CFG_LBC_LSDMR_2 ( CFG_LBC_LSDMR_COMMON \
+ | CFG_LBC_LSDMR_OP_ARFRSH)
+#define CFG_LBC_LSDMR_3 ( CFG_LBC_LSDMR_COMMON \
+ | CFG_LBC_LSDMR_OP_ARFRSH)
+#define CFG_LBC_LSDMR_4 ( CFG_LBC_LSDMR_COMMON \
+ | CFG_LBC_LSDMR_OP_MRW)
+#define CFG_LBC_LSDMR_5 ( CFG_LBC_LSDMR_COMMON \
+ | CFG_LBC_LSDMR_OP_NORMAL)
+
+
+/*
+ * 32KB, 8-bit wide for ADS config reg
+ */
+#define CFG_BR4_PRELIM 0xf8000801