Driver/DDR: Moving Freescale DDR driver to a common driver

Freescale DDR driver has been used for mpc83xx, mpc85xx, mpc86xx SoCs.
The similar DDR controllers will be used for ARM-based SoCs.

Signed-off-by: York Sun <yorksun@freescale.com>

47 files changed, 686 insertions, 46 deletions

diff --git a/include/common_timing_params.h b/include/common_timing_params.h
new file mode 100644
index 0000000000..76338d4e6c
--- /dev/null
+++ b/include/common_timing_params.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef COMMON_TIMING_PARAMS_H
+#define COMMON_TIMING_PARAMS_H
+
+typedef struct {
+	/* parameters to constrict */
+
+	unsigned int tckmin_x_ps;
+	unsigned int tckmax_ps;
+	unsigned int tckmax_max_ps;
+	unsigned int trcd_ps;
+	unsigned int trp_ps;
+	unsigned int tras_ps;
+
+	unsigned int twr_ps;	/* maximum = 63750 ps */
+	unsigned int twtr_ps;	/* maximum = 63750 ps */
+	unsigned int trfc_ps;	/* maximum = 255 ns + 256 ns + .75 ns
+					   = 511750 ps */
+
+	unsigned int trrd_ps;	/* maximum = 63750 ps */
+	unsigned int trc_ps;	/* maximum = 254 ns + .75 ns = 254750 ps */
+
+	unsigned int refresh_rate_ps;
+	unsigned int extended_op_srt;
+
+	unsigned int tis_ps;	/* byte 32, spd->ca_setup */
+	unsigned int tih_ps;	/* byte 33, spd->ca_hold */
+	unsigned int tds_ps;	/* byte 34, spd->data_setup */
+	unsigned int tdh_ps;	/* byte 35, spd->data_hold */
+	unsigned int trtp_ps;	/* byte 38, spd->trtp */
+	unsigned int tdqsq_max_ps;	/* byte 44, spd->tdqsq */
+	unsigned int tqhs_ps;	/* byte 45, spd->tqhs */
+
+	unsigned int ndimms_present;
+	unsigned int lowest_common_SPD_caslat;
+	unsigned int highest_common_derated_caslat;
+	unsigned int additive_latency;
+	unsigned int all_dimms_burst_lengths_bitmask;
+	unsigned int all_dimms_registered;
+	unsigned int all_dimms_unbuffered;
+	unsigned int all_dimms_ecc_capable;
+
+	unsigned long long total_mem;
+	unsigned long long base_address;
+
+	/* DDR3 RDIMM */
+	unsigned char rcw[16];	/* Register Control Word 0-15 */
+} common_timing_params_t;
+
+#endif
diff --git a/include/configs/B4860QDS.h b/include/configs/B4860QDS.h
index 268f66ec0e..b2a5c19e0e 100644
--- a/include/configs/B4860QDS.h
+++ b/include/configs/B4860QDS.h
@@ -193,7 +193,7 @@ unsigned long get_board_ddr_clk(void);
 
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_DDR_RAW_TIMING
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_FSL_DDR_INTERACTIVE
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
diff --git a/include/configs/BSC9131RDB.h b/include/configs/BSC9131RDB.h
index 036f264c97..499d8c2054 100644
--- a/include/configs/BSC9131RDB.h
+++ b/include/configs/BSC9131RDB.h
@@ -80,7 +80,7 @@
 #define CONFIG_SYS_MEMTEST_END		0x01ffffff
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #undef CONFIG_SYS_DDR_RAW_TIMING
 #undef CONFIG_DDR_SPD
 #define CONFIG_SYS_SPD_BUS_NUM		0
diff --git a/include/configs/BSC9132QDS.h b/include/configs/BSC9132QDS.h
index 75889b3574..a6601fee86 100644
--- a/include/configs/BSC9132QDS.h
+++ b/include/configs/BSC9132QDS.h
@@ -134,7 +134,7 @@
 #define CONFIG_SYS_MEMTEST_END		0x01ffffff
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_SYS_SPD_BUS_NUM		0
 #define SPD_EEPROM_ADDRESS1		0x54 /* I2C access */
 #define SPD_EEPROM_ADDRESS2		0x56 /* I2C access */
diff --git a/include/configs/C29XPCIE.h b/include/configs/C29XPCIE.h
index 08156c531d..f173b07b4d 100644
--- a/include/configs/C29XPCIE.h
+++ b/include/configs/C29XPCIE.h
@@ -103,7 +103,7 @@
 #define CONFIG_PANIC_HANG
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_SPD_BUS_NUM		0
 #define SPD_EEPROM_ADDRESS		0x50
diff --git a/include/configs/HWW1U1A.h b/include/configs/HWW1U1A.h
index f3f2136668..bbfee7d308 100644
--- a/include/configs/HWW1U1A.h
+++ b/include/configs/HWW1U1A.h
@@ -255,7 +255,7 @@
 /* -------------------------------------------------------------------- */
 
 /* FreeScale DDR2/3 SDRAM Controller */
-#define CONFIG_FSL_DDR2		/* Our SDRAM slot is DDR2		*/
+#define CONFIG_SYS_FSL_DDR2		/* Our SDRAM slot is DDR2		*/
 #define CONFIG_DDR_ECC		/* Enable ECC by default		*/
 #define CONFIG_DDR_SPD		/* Detect DDR config from SPD EEPROM	*/
 #define CONFIG_SPD_EEPROM	/* ...why 2 config variables for this?	*/
diff --git a/include/configs/MPC8349EMDS.h b/include/configs/MPC8349EMDS.h
index 3f742a2bba..a80a6966bf 100644
--- a/include/configs/MPC8349EMDS.h
+++ b/include/configs/MPC8349EMDS.h
@@ -62,11 +62,11 @@
 #define CONFIG_SPD_EEPROM		/* use SPD EEPROM for DDR setup*/
 
 /*
- * define CONFIG_FSL_DDR2 to use unified DDR driver
+ * define CONFIG_SYS_FSL_DDR2 to use unified DDR driver
  * undefine it to use old spd_sdram.c
  */
-#define CONFIG_FSL_DDR2
-#ifdef CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
+#ifdef CONFIG_SYS_FSL_DDR2
 #define CONFIG_SYS_SPD_BUS_NUM	0
 #define SPD_EEPROM_ADDRESS1	0x52
 #define SPD_EEPROM_ADDRESS2	0x51
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 8197f89e4e..9ab1bc106b 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -122,7 +122,7 @@
 
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h
index 66893688e6..046b14bdda 100644
--- a/include/configs/MPC8540ADS.h
+++ b/include/configs/MPC8540ADS.h
@@ -78,7 +78,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h
index e24c597453..eca3b537b4 100644
--- a/include/configs/MPC8541CDS.h
+++ b/include/configs/MPC8541CDS.h
@@ -51,7 +51,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h
index 2e76df681b..8132ec055b 100644
--- a/include/configs/MPC8544DS.h
+++ b/include/configs/MPC8544DS.h
@@ -63,7 +63,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h
index 9ff048af6d..6acd54db85 100644
--- a/include/configs/MPC8548CDS.h
+++ b/include/configs/MPC8548CDS.h
@@ -75,7 +75,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h
index 7f0f927ea1..5ffdd01629 100644
--- a/include/configs/MPC8555CDS.h
+++ b/include/configs/MPC8555CDS.h
@@ -51,7 +51,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/MPC8560ADS.h b/include/configs/MPC8560ADS.h
index b7c4a60309..bb9ae2dcb5 100644
--- a/include/configs/MPC8560ADS.h
+++ b/include/configs/MPC8560ADS.h
@@ -75,7 +75,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h
index c9a15395c3..7406ac3be8 100644
--- a/include/configs/MPC8568MDS.h
+++ b/include/configs/MPC8568MDS.h
@@ -60,7 +60,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8569MDS.h b/include/configs/MPC8569MDS.h
index 341f6a89b4..df5572b3a8 100644
--- a/include/configs/MPC8569MDS.h
+++ b/include/configs/MPC8569MDS.h
@@ -98,7 +98,7 @@ extern unsigned long get_clock_freq(void);
 #endif
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index c7511449ea..afb195fe4e 100644
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -106,7 +106,7 @@
 
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h
index 97f5c877e1..41ebe31dd4 100644
--- a/include/configs/MPC8610HPCD.h
+++ b/include/configs/MPC8610HPCD.h
@@ -92,7 +92,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS		CONFIG_SYS_CCSRBAR_PHYS_LOW
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD for DDR */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index 8ed5050766..0e666bac01 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -108,7 +108,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 /*
  * DDR Setup
  */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index 50c365a5b1..eab386add4 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -178,7 +178,7 @@
 #define CONFIG_PANIC_HANG		/* do not reset board on panic */
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_SYS_DDR_RAW_TIMING
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_SPD_BUS_NUM		1
diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h
index 1470526d0b..262c3e5f1f 100644
--- a/include/configs/P1022DS.h
+++ b/include/configs/P1022DS.h
@@ -177,7 +177,7 @@
 /* DDR Setup */
 #define CONFIG_DDR_SPD
 #define CONFIG_VERY_BIG_RAM
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #ifdef CONFIG_DDR_ECC
 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER
diff --git a/include/configs/P1023RDB.h b/include/configs/P1023RDB.h
index e49523e940..7de6814a03 100644
--- a/include/configs/P1023RDB.h
+++ b/include/configs/P1023RDB.h
@@ -74,7 +74,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_CHIP_SELECTS_PER_CTRL	1
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SYS_SDRAM_SIZE		512u	/* DDR is 512M */
 #define CONFIG_SYS_SPD_BUS_NUM          0
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index 282f5c1a12..b592c1966a 100644
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -141,7 +141,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #endif
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 
diff --git a/include/configs/P2020COME.h b/include/configs/P2020COME.h
index 9cc219e5a8..15d2a43cd0 100644
--- a/include/configs/P2020COME.h
+++ b/include/configs/P2020COME.h
@@ -105,7 +105,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
 
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index 8a29eaa507..9d3d9b33e5 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -109,9 +109,9 @@
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
 #ifdef CONFIG_DDR2
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #else
-#define CONFIG_FSL_DDR3		1
+#define CONFIG_SYS_FSL_DDR3		1
 #endif
 
 /* ECC will be enabled based on perf_mode environment variable */
diff --git a/include/configs/P2041RDB.h b/include/configs/P2041RDB.h
index 0df6f1a2d9..b238574b5d 100644
--- a/include/configs/P2041RDB.h
+++ b/include/configs/P2041RDB.h
@@ -175,7 +175,7 @@ unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(4 * CONFIG_DIMM_SLOTS_PER_CTLR)
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
 #define SPD_EEPROM_ADDRESS	0x52
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index 7c6bec8f76..43a5778004 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -170,7 +170,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(4 * CONFIG_DIMM_SLOTS_PER_CTLR)
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_FSL_DDR_INTERACTIVE
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
diff --git a/include/configs/T1040RDB.h b/include/configs/T1040RDB.h
index 620387fcd0..79312311d8 100644
--- a/include/configs/T1040RDB.h
+++ b/include/configs/T1040RDB.h
@@ -156,7 +156,7 @@
 
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_DDR_RAW_TIMING
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
 #define SPD_EEPROM_ADDRESS	0x51
diff --git a/include/configs/T1042RDB_PI.h b/include/configs/T1042RDB_PI.h
index 4b023f9e84..eff08e3804 100644
--- a/include/configs/T1042RDB_PI.h
+++ b/include/configs/T1042RDB_PI.h
@@ -156,7 +156,7 @@
 
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_DDR_RAW_TIMING
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
 #define SPD_EEPROM_ADDRESS	0x51
diff --git a/include/configs/controlcenterd.h b/include/configs/controlcenterd.h
index 413f0867f4..46d4f9865f 100644
--- a/include/configs/controlcenterd.h
+++ b/include/configs/controlcenterd.h
@@ -138,7 +138,7 @@
 #define CONFIG_SYS_SDRAM_SIZE 1024
 #define CONFIG_VERY_BIG_RAM
 
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_NUM_DDR_CONTROLLERS	1
 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)
diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h
index 562caa5845..665295c1a2 100644
--- a/include/configs/corenet_ds.h
+++ b/include/configs/corenet_ds.h
@@ -173,7 +173,7 @@
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(4 * CONFIG_DIMM_SLOTS_PER_CTLR)
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #define CONFIG_SYS_SPD_BUS_NUM	1
 #define SPD_EEPROM_ADDRESS1	0x51
diff --git a/include/configs/km/kmp204x-common.h b/include/configs/km/kmp204x-common.h
index 2d5320b5cd..7700b38c2d 100644
--- a/include/configs/km/kmp204x-common.h
+++ b/include/configs/km/kmp204x-common.h
@@ -111,7 +111,7 @@ unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(4 * CONFIG_DIMM_SLOTS_PER_CTLR)
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_FSL_DDR_INTERACTIVE
 
 #define CONFIG_SYS_SPD_BUS_NUM	0
diff --git a/include/configs/mpq101.h b/include/configs/mpq101.h
index 6d0d392b77..ec09e15dbf 100644
--- a/include/configs/mpq101.h
+++ b/include/configs/mpq101.h
@@ -52,7 +52,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 
 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
 
diff --git a/include/configs/p1_p2_rdb_pc.h b/include/configs/p1_p2_rdb_pc.h
index 91a678212d..57ed019952 100644
--- a/include/configs/p1_p2_rdb_pc.h
+++ b/include/configs/p1_p2_rdb_pc.h
@@ -325,7 +325,7 @@
 #endif
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_SYS_DDR_RAW_TIMING
 #define CONFIG_DDR_SPD
 #define CONFIG_SYS_SPD_BUS_NUM 1
diff --git a/include/configs/p1_twr.h b/include/configs/p1_twr.h
index 76189e136f..9837100e31 100644
--- a/include/configs/p1_twr.h
+++ b/include/configs/p1_twr.h
@@ -89,7 +89,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 #define CONFIG_SYS_SDRAM_SIZE_LAW	LAW_SIZE_512M
 #define CONFIG_CHIP_SELECTS_PER_CTRL	1
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index 6d970608f2..bdb8eb529d 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -102,7 +102,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
 /*
diff --git a/include/configs/socrates.h b/include/configs/socrates.h
index b6fbe23706..0e6b86412d 100644
--- a/include/configs/socrates.h
+++ b/include/configs/socrates.h
@@ -80,7 +80,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/stxgp3.h b/include/configs/stxgp3.h
index 9b3f0cc69f..ee1f1f3ed0 100644
--- a/include/configs/stxgp3.h
+++ b/include/configs/stxgp3.h
@@ -98,7 +98,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/stxssa.h b/include/configs/stxssa.h
index 805814f4fb..63dd767047 100644
--- a/include/configs/stxssa.h
+++ b/include/configs/stxssa.h
@@ -112,7 +112,7 @@
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR1
+#define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE
diff --git a/include/configs/t4qds.h b/include/configs/t4qds.h
index 3f54f1423e..d9b0ed07d6 100644
--- a/include/configs/t4qds.h
+++ b/include/configs/t4qds.h
@@ -87,7 +87,7 @@
 #define CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
 
 #define CONFIG_DDR_SPD
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 
 
 /*
diff --git a/include/configs/xpedite517x.h b/include/configs/xpedite517x.h
index 4738c23350..88d7f88cc0 100644
--- a/include/configs/xpedite517x.h
+++ b/include/configs/xpedite517x.h
@@ -40,7 +40,7 @@
 /*
  * DDR config
  */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
 #define CONFIG_MEM_INIT_VALUE		0xdeadbeef
diff --git a/include/configs/xpedite520x.h b/include/configs/xpedite520x.h
index 33428803eb..f39d6f9105 100644
--- a/include/configs/xpedite520x.h
+++ b/include/configs/xpedite520x.h
@@ -39,7 +39,7 @@
 /*
  * DDR config
  */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/xpedite537x.h b/include/configs/xpedite537x.h
index 9da845d9a2..e1bdf90de4 100644
--- a/include/configs/xpedite537x.h
+++ b/include/configs/xpedite537x.h
@@ -49,7 +49,7 @@
 /*
  * DDR config
  */
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
diff --git a/include/configs/xpedite550x.h b/include/configs/xpedite550x.h
index 4137cc9208..2328c7a62e 100644
--- a/include/configs/xpedite550x.h
+++ b/include/configs/xpedite550x.h
@@ -49,7 +49,7 @@
 /*
  * DDR config
  */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
 #define CONFIG_DDR_SPD
 #define CONFIG_MEM_INIT_VALUE		0xdeadbeef
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
new file mode 100644
index 0000000000..e03f9db5f2
--- /dev/null
+++ b/include/fsl_ddr.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef FSL_DDR_MAIN_H
+#define FSL_DDR_MAIN_H
+
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr_dimm_params.h>
+
+#include <common_timing_params.h>
+
+#if defined(CONFIG_DDR_SPD) || defined(CONFIG_SPD_EEPROM)
+/*
+ * Bind the main DDR setup driver's generic names
+ * to this specific DDR technology.
+ */
+static __inline__ int
+compute_dimm_parameters(const generic_spd_eeprom_t *spd,
+			dimm_params_t *pdimm,
+			unsigned int dimm_number)
+{
+	return ddr_compute_dimm_parameters(spd, pdimm, dimm_number);
+}
+#endif
+
+/*
+ * Data Structures
+ *
+ * All data structures have to be on the stack
+ */
+#define CONFIG_SYS_NUM_DDR_CTLRS CONFIG_NUM_DDR_CONTROLLERS
+#define CONFIG_SYS_DIMM_SLOTS_PER_CTLR CONFIG_DIMM_SLOTS_PER_CTLR
+
+typedef struct {
+	generic_spd_eeprom_t
+	   spd_installed_dimms[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR];
+	struct dimm_params_s
+	   dimm_params[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR];
+	memctl_options_t memctl_opts[CONFIG_SYS_NUM_DDR_CTLRS];
+	common_timing_params_t common_timing_params[CONFIG_SYS_NUM_DDR_CTLRS];
+	fsl_ddr_cfg_regs_t fsl_ddr_config_reg[CONFIG_SYS_NUM_DDR_CTLRS];
+} fsl_ddr_info_t;
+
+/* Compute steps */
+#define STEP_GET_SPD                 (1 << 0)
+#define STEP_COMPUTE_DIMM_PARMS      (1 << 1)
+#define STEP_COMPUTE_COMMON_PARMS    (1 << 2)
+#define STEP_GATHER_OPTS             (1 << 3)
+#define STEP_ASSIGN_ADDRESSES        (1 << 4)
+#define STEP_COMPUTE_REGS            (1 << 5)
+#define STEP_PROGRAM_REGS            (1 << 6)
+#define STEP_ALL                     0xFFF
+
+unsigned long long
+fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
+				       unsigned int size_only);
+
+const char *step_to_string(unsigned int step);
+
+unsigned int compute_fsl_memctl_config_regs(const memctl_options_t *popts,
+			       fsl_ddr_cfg_regs_t *ddr,
+			       const common_timing_params_t *common_dimm,
+			       const dimm_params_t *dimm_parameters,
+			       unsigned int dbw_capacity_adjust,
+			       unsigned int size_only);
+unsigned int compute_lowest_common_dimm_parameters(
+				const dimm_params_t *dimm_params,
+				common_timing_params_t *outpdimm,
+				unsigned int number_of_dimms);
+unsigned int populate_memctl_options(int all_dimms_registered,
+				memctl_options_t *popts,
+				dimm_params_t *pdimm,
+				unsigned int ctrl_num);
+void check_interleaving_options(fsl_ddr_info_t *pinfo);
+
+unsigned int mclk_to_picos(unsigned int mclk);
+unsigned int get_memory_clk_period_ps(void);
+unsigned int picos_to_mclk(unsigned int picos);
+void fsl_ddr_set_lawbar(
+		const common_timing_params_t *memctl_common_params,
+		unsigned int memctl_interleaved,
+		unsigned int ctrl_num);
+
+int fsl_ddr_interactive_env_var_exists(void);
+unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo, int var_is_set);
+void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
+			   unsigned int ctrl_num);
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+unsigned int check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr);
+
+/* processor specific function */
+void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
+				   unsigned int ctrl_num, int step);
+
+/* board specific function */
+int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
+			unsigned int controller_number,
+			unsigned int dimm_number);
+#endif
diff --git a/include/fsl_ddr_dimm_params.h b/include/fsl_ddr_dimm_params.h
new file mode 100644
index 0000000000..99a72bc6e1
--- /dev/null
+++ b/include/fsl_ddr_dimm_params.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef DDR2_DIMM_PARAMS_H
+#define DDR2_DIMM_PARAMS_H
+
+#define EDC_DATA_PARITY	1
+#define EDC_ECC		2
+#define EDC_AC_PARITY	4
+
+/* Parameters for a DDR2 dimm computed from the SPD */
+typedef struct dimm_params_s {
+
+	/* DIMM organization parameters */
+	char mpart[19];		/* guaranteed null terminated */
+
+	unsigned int n_ranks;
+	unsigned long long rank_density;
+	unsigned long long capacity;
+	unsigned int data_width;
+	unsigned int primary_sdram_width;
+	unsigned int ec_sdram_width;
+	unsigned int registered_dimm;
+	unsigned int device_width;	/* x4, x8, x16 components */
+
+	/* SDRAM device parameters */
+	unsigned int n_row_addr;
+	unsigned int n_col_addr;
+	unsigned int edc_config;	/* 0 = none, 1 = parity, 2 = ECC */
+	unsigned int n_banks_per_sdram_device;
+	unsigned int burst_lengths_bitmask;	/* BL=4 bit 2, BL=8 = bit 3 */
+	unsigned int row_density;
+
+	/* used in computing base address of DIMMs */
+	unsigned long long base_address;
+	/* mirrored DIMMs */
+	unsigned int mirrored_dimm;	/* only for ddr3 */
+
+	/* DIMM timing parameters */
+
+	unsigned int mtb_ps;	/* medium timebase ps, only for ddr3 */
+	unsigned int ftb_10th_ps; /* fine timebase, in 1/10 ps, only for ddr3 */
+	unsigned int taa_ps;	/* minimum CAS latency time, only for ddr3 */
+	unsigned int tfaw_ps;	/* four active window delay, only for ddr3 */
+
+	/*
+	 * SDRAM clock periods
+	 * The range for these are 1000-10000 so a short should be sufficient
+	 */
+	unsigned int tckmin_x_ps;
+	unsigned int tckmin_x_minus_1_ps;
+	unsigned int tckmin_x_minus_2_ps;
+	unsigned int tckmax_ps;
+
+	/* SPD-defined CAS latencies */
+	unsigned int caslat_x;
+	unsigned int caslat_x_minus_1;
+	unsigned int caslat_x_minus_2;
+
+	unsigned int caslat_lowest_derated;	/* Derated CAS latency */
+
+	/* basic timing parameters */
+	unsigned int trcd_ps;
+	unsigned int trp_ps;
+	unsigned int tras_ps;
+
+	unsigned int twr_ps;	/* maximum = 63750 ps */
+	unsigned int twtr_ps;	/* maximum = 63750 ps */
+	unsigned int trfc_ps;   /* max = 255 ns + 256 ns + .75 ns
+				       = 511750 ps */
+
+	unsigned int trrd_ps;	/* maximum = 63750 ps */
+	unsigned int trc_ps;	/* maximum = 254 ns + .75 ns = 254750 ps */
+
+	unsigned int refresh_rate_ps;
+	unsigned int extended_op_srt;
+
+	/* DDR3 doesn't need these as below */
+	unsigned int tis_ps;	/* byte 32, spd->ca_setup */
+	unsigned int tih_ps;	/* byte 33, spd->ca_hold */
+	unsigned int tds_ps;	/* byte 34, spd->data_setup */
+	unsigned int tdh_ps;	/* byte 35, spd->data_hold */
+	unsigned int trtp_ps;	/* byte 38, spd->trtp */
+	unsigned int tdqsq_max_ps;	/* byte 44, spd->tdqsq */
+	unsigned int tqhs_ps;	/* byte 45, spd->tqhs */
+
+	/* DDR3 RDIMM */
+	unsigned char rcw[16];	/* Register Control Word 0-15 */
+} dimm_params_t;
+
+extern unsigned int ddr_compute_dimm_parameters(
+					 const generic_spd_eeprom_t *spd,
+					 dimm_params_t *pdimm,
+					 unsigned int dimm_number);
+
+#endif
diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h
new file mode 100644
index 0000000000..16cccc7708
--- /dev/null
+++ b/include/fsl_ddr_sdram.h
@@ -0,0 +1,377 @@
+/*
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef FSL_DDR_MEMCTL_H
+#define FSL_DDR_MEMCTL_H
+
+/*
+ * Pick a basic DDR Technology.
+ */
+#include <ddr_spd.h>
+
+#define SDRAM_TYPE_DDR1    2
+#define SDRAM_TYPE_DDR2    3
+#define SDRAM_TYPE_LPDDR1  6
+#define SDRAM_TYPE_DDR3    7
+
+#define DDR_BL4		4	/* burst length 4 */
+#define DDR_BC4		DDR_BL4	/* burst chop for ddr3 */
+#define DDR_OTF		6	/* on-the-fly BC4 and BL8 */
+#define DDR_BL8		8	/* burst length 8 */
+
+#define DDR3_RTT_OFF		0
+#define DDR3_RTT_60_OHM		1 /* RTT_Nom = RZQ/4 */
+#define DDR3_RTT_120_OHM	2 /* RTT_Nom = RZQ/2 */
+#define DDR3_RTT_40_OHM		3 /* RTT_Nom = RZQ/6 */
+#define DDR3_RTT_20_OHM		4 /* RTT_Nom = RZQ/12 */
+#define DDR3_RTT_30_OHM		5 /* RTT_Nom = RZQ/8 */
+
+#define DDR2_RTT_OFF		0
+#define DDR2_RTT_75_OHM		1
+#define DDR2_RTT_150_OHM	2
+#define DDR2_RTT_50_OHM		3
+
+#if defined(CONFIG_SYS_FSL_DDR1)
+#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(1)
+typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
+#ifndef CONFIG_FSL_SDRAM_TYPE
+#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR1
+#endif
+#elif defined(CONFIG_SYS_FSL_DDR2)
+#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(3)
+typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
+#ifndef CONFIG_FSL_SDRAM_TYPE
+#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR2
+#endif
+#elif defined(CONFIG_SYS_FSL_DDR3)
+#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(3)	/* FIXME */
+typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
+#ifndef CONFIG_FSL_SDRAM_TYPE
+#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR3
+#endif
+#endif	/* #if defined(CONFIG_SYS_FSL_DDR1) */
+
+#define FSL_DDR_ODT_NEVER		0x0
+#define FSL_DDR_ODT_CS			0x1
+#define FSL_DDR_ODT_ALL_OTHER_CS	0x2
+#define FSL_DDR_ODT_OTHER_DIMM		0x3
+#define FSL_DDR_ODT_ALL			0x4
+#define FSL_DDR_ODT_SAME_DIMM		0x5
+#define FSL_DDR_ODT_CS_AND_OTHER_DIMM	0x6
+#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM	0x7
+
+/* define bank(chip select) interleaving mode */
+#define FSL_DDR_CS0_CS1			0x40
+#define FSL_DDR_CS2_CS3			0x20
+#define FSL_DDR_CS0_CS1_AND_CS2_CS3	(FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3)
+#define FSL_DDR_CS0_CS1_CS2_CS3		(FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04)
+
+/* define memory controller interleaving mode */
+#define FSL_DDR_CACHE_LINE_INTERLEAVING	0x0
+#define FSL_DDR_PAGE_INTERLEAVING	0x1
+#define FSL_DDR_BANK_INTERLEAVING	0x2
+#define FSL_DDR_SUPERBANK_INTERLEAVING	0x3
+#define FSL_DDR_3WAY_1KB_INTERLEAVING	0xA
+#define FSL_DDR_3WAY_4KB_INTERLEAVING	0xC
+#define FSL_DDR_3WAY_8KB_INTERLEAVING	0xD
+/* placeholder for 4-way interleaving */
+#define FSL_DDR_4WAY_1KB_INTERLEAVING	0x1A
+#define FSL_DDR_4WAY_4KB_INTERLEAVING	0x1C
+#define FSL_DDR_4WAY_8KB_INTERLEAVING	0x1D
+
+#define SDRAM_CS_CONFIG_EN		0x80000000
+
+/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
+ */
+#define SDRAM_CFG_MEM_EN		0x80000000
+#define SDRAM_CFG_SREN			0x40000000
+#define SDRAM_CFG_ECC_EN		0x20000000
+#define SDRAM_CFG_RD_EN			0x10000000
+#define SDRAM_CFG_SDRAM_TYPE_DDR1	0x02000000
+#define SDRAM_CFG_SDRAM_TYPE_DDR2	0x03000000
+#define SDRAM_CFG_SDRAM_TYPE_MASK	0x07000000
+#define SDRAM_CFG_SDRAM_TYPE_SHIFT	24
+#define SDRAM_CFG_DYN_PWR		0x00200000
+#define SDRAM_CFG_DBW_MASK		0x00180000
+#define SDRAM_CFG_DBW_SHIFT		19
+#define SDRAM_CFG_32_BE			0x00080000
+#define SDRAM_CFG_16_BE			0x00100000
+#define SDRAM_CFG_8_BE			0x00040000
+#define SDRAM_CFG_NCAP			0x00020000
+#define SDRAM_CFG_2T_EN			0x00008000
+#define SDRAM_CFG_BI			0x00000001
+
+#define SDRAM_CFG2_D_INIT		0x00000010
+#define SDRAM_CFG2_ODT_CFG_MASK		0x00600000
+#define SDRAM_CFG2_ODT_NEVER		0
+#define SDRAM_CFG2_ODT_ONLY_WRITE	1
+#define SDRAM_CFG2_ODT_ONLY_READ	2
+#define SDRAM_CFG2_ODT_ALWAYS		3
+
+#define TIMING_CFG_2_CPO_MASK	0x0F800000
+
+#if defined(CONFIG_P4080)
+#define RD_TO_PRE_MASK		0xf
+#define RD_TO_PRE_SHIFT		13
+#define WR_DATA_DELAY_MASK	0xf
+#define WR_DATA_DELAY_SHIFT	9
+#else
+#define RD_TO_PRE_MASK		0x7
+#define RD_TO_PRE_SHIFT		13
+#define WR_DATA_DELAY_MASK	0x7
+#define WR_DATA_DELAY_SHIFT	10
+#endif
+
+/* DDR_MD_CNTL */
+#define MD_CNTL_MD_EN		0x80000000
+#define MD_CNTL_CS_SEL_CS0	0x00000000
+#define MD_CNTL_CS_SEL_CS1	0x10000000
+#define MD_CNTL_CS_SEL_CS2	0x20000000
+#define MD_CNTL_CS_SEL_CS3	0x30000000
+#define MD_CNTL_CS_SEL_CS0_CS1	0x40000000
+#define MD_CNTL_CS_SEL_CS2_CS3	0x50000000
+#define MD_CNTL_MD_SEL_MR	0x00000000
+#define MD_CNTL_MD_SEL_EMR	0x01000000
+#define MD_CNTL_MD_SEL_EMR2	0x02000000
+#define MD_CNTL_MD_SEL_EMR3	0x03000000
+#define MD_CNTL_SET_REF		0x00800000
+#define MD_CNTL_SET_PRE		0x00400000
+#define MD_CNTL_CKE_CNTL_LOW	0x00100000
+#define MD_CNTL_CKE_CNTL_HIGH	0x00200000
+#define MD_CNTL_WRCW		0x00080000
+#define MD_CNTL_MD_VALUE(x)	(x & 0x0000FFFF)
+
+/* DDR_CDR1 */
+#define DDR_CDR1_DHC_EN	0x80000000
+#define DDR_CDR1_ODT_SHIFT	17
+#define DDR_CDR1_ODT_MASK	0x6
+#define DDR_CDR2_ODT_MASK	0x1
+#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
+#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
+
+#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
+	(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
+#define DDR_CDR_ODT_OFF		0x0
+#define DDR_CDR_ODT_120ohm	0x1
+#define DDR_CDR_ODT_180ohm	0x2
+#define DDR_CDR_ODT_75ohm	0x3
+#define DDR_CDR_ODT_110ohm	0x4
+#define DDR_CDR_ODT_60hm	0x5
+#define DDR_CDR_ODT_70ohm	0x6
+#define DDR_CDR_ODT_47ohm	0x7
+#else
+#define DDR_CDR_ODT_75ohm	0x0
+#define DDR_CDR_ODT_55ohm	0x1
+#define DDR_CDR_ODT_60ohm	0x2
+#define DDR_CDR_ODT_50ohm	0x3
+#define DDR_CDR_ODT_150ohm	0x4
+#define DDR_CDR_ODT_43ohm	0x5
+#define DDR_CDR_ODT_120ohm	0x6
+#endif
+
+/* Record of register values computed */
+typedef struct fsl_ddr_cfg_regs_s {
+	struct {
+		unsigned int bnds;
+		unsigned int config;
+		unsigned int config_2;
+	} cs[CONFIG_CHIP_SELECTS_PER_CTRL];
+	unsigned int timing_cfg_3;
+	unsigned int timing_cfg_0;
+	unsigned int timing_cfg_1;
+	unsigned int timing_cfg_2;
+	unsigned int ddr_sdram_cfg;
+	unsigned int ddr_sdram_cfg_2;
+	unsigned int ddr_sdram_mode;
+	unsigned int ddr_sdram_mode_2;
+	unsigned int ddr_sdram_mode_3;
+	unsigned int ddr_sdram_mode_4;
+	unsigned int ddr_sdram_mode_5;
+	unsigned int ddr_sdram_mode_6;
+	unsigned int ddr_sdram_mode_7;
+	unsigned int ddr_sdram_mode_8;
+	unsigned int ddr_sdram_md_cntl;
+	unsigned int ddr_sdram_interval;
+	unsigned int ddr_data_init;
+	unsigned int ddr_sdram_clk_cntl;
+	unsigned int ddr_init_addr;
+	unsigned int ddr_init_ext_addr;
+	unsigned int timing_cfg_4;
+	unsigned int timing_cfg_5;
+	unsigned int ddr_zq_cntl;
+	unsigned int ddr_wrlvl_cntl;
+	unsigned int ddr_wrlvl_cntl_2;
+	unsigned int ddr_wrlvl_cntl_3;
+	unsigned int ddr_sr_cntr;
+	unsigned int ddr_sdram_rcw_1;
+	unsigned int ddr_sdram_rcw_2;
+	unsigned int ddr_eor;
+	unsigned int ddr_cdr1;
+	unsigned int ddr_cdr2;
+	unsigned int err_disable;
+	unsigned int err_int_en;
+	unsigned int debug[32];
+} fsl_ddr_cfg_regs_t;
+
+typedef struct memctl_options_partial_s {
+	unsigned int all_dimms_ecc_capable;
+	unsigned int all_dimms_tckmax_ps;
+	unsigned int all_dimms_burst_lengths_bitmask;
+	unsigned int all_dimms_registered;
+	unsigned int all_dimms_unbuffered;
+	/*	unsigned int lowest_common_SPD_caslat; */
+	unsigned int all_dimms_minimum_trcd_ps;
+} memctl_options_partial_t;
+
+#define DDR_DATA_BUS_WIDTH_64 0
+#define DDR_DATA_BUS_WIDTH_32 1
+#define DDR_DATA_BUS_WIDTH_16 2
+/*
+ * Generalized parameters for memory controller configuration,
+ * might be a little specific to the FSL memory controller
+ */
+typedef struct memctl_options_s {
+	/*
+	 * Memory organization parameters
+	 *
+	 * if DIMM is present in the system
+	 * where DIMMs are with respect to chip select
+	 * where chip selects are with respect to memory boundaries
+	 */
+	unsigned int registered_dimm_en;    /* use registered DIMM support */
+
+	/* Options local to a Chip Select */
+	struct cs_local_opts_s {
+		unsigned int auto_precharge;
+		unsigned int odt_rd_cfg;
+		unsigned int odt_wr_cfg;
+		unsigned int odt_rtt_norm;
+		unsigned int odt_rtt_wr;
+	} cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];
+
+	/* Special configurations for chip select */
+	unsigned int memctl_interleaving;
+	unsigned int memctl_interleaving_mode;
+	unsigned int ba_intlv_ctl;
+	unsigned int addr_hash;
+
+	/* Operational mode parameters */
+	unsigned int ecc_mode;	 /* Use ECC? */
+	/* Initialize ECC using memory controller? */
+	unsigned int ecc_init_using_memctl;
+	unsigned int dqs_config;	/* Use DQS? maybe only with DDR2? */
+	/* SREN - self-refresh during sleep */
+	unsigned int self_refresh_in_sleep;
+	unsigned int dynamic_power;	/* DYN_PWR */
+	/* memory data width to use (16-bit, 32-bit, 64-bit) */
+	unsigned int data_bus_width;
+	unsigned int burst_length;	/* BL4, OTF and BL8 */
+	/* On-The-Fly Burst Chop enable */
+	unsigned int otf_burst_chop_en;
+	/* mirrior DIMMs for DDR3 */
+	unsigned int mirrored_dimm;
+	unsigned int quad_rank_present;
+	unsigned int ap_en;	/* address parity enable for RDIMM */
+	unsigned int x4_en;	/* enable x4 devices */
+
+	/* Global Timing Parameters */
+	unsigned int cas_latency_override;
+	unsigned int cas_latency_override_value;
+	unsigned int use_derated_caslat;
+	unsigned int additive_latency_override;
+	unsigned int additive_latency_override_value;
+
+	unsigned int clk_adjust;		/* */
+	unsigned int cpo_override;
+	unsigned int write_data_delay;		/* DQS adjust */
+
+	unsigned int wrlvl_override;
+	unsigned int wrlvl_sample;		/* Write leveling */
+	unsigned int wrlvl_start;
+	unsigned int wrlvl_ctl_2;
+	unsigned int wrlvl_ctl_3;
+
+	unsigned int half_strength_driver_enable;
+	unsigned int twot_en;
+	unsigned int threet_en;
+	unsigned int bstopre;
+	unsigned int tcke_clock_pulse_width_ps;	/* tCKE */
+	unsigned int tfaw_window_four_activates_ps;	/* tFAW --  FOUR_ACT */
+
+	/* Rtt impedance */
+	unsigned int rtt_override;		/* rtt_override enable */
+	unsigned int rtt_override_value;	/* that is Rtt_Nom for DDR3 */
+	unsigned int rtt_wr_override_value;	/* this is Rtt_WR for DDR3 */
+
+	/* Automatic self refresh */
+	unsigned int auto_self_refresh_en;
+	unsigned int sr_it;
+	/* ZQ calibration */
+	unsigned int zq_en;
+	/* Write leveling */
+	unsigned int wrlvl_en;
+	/* RCW override for RDIMM */
+	unsigned int rcw_override;
+	unsigned int rcw_1;
+	unsigned int rcw_2;
+	/* control register 1 */
+	unsigned int ddr_cdr1;
+	unsigned int ddr_cdr2;
+
+	unsigned int trwt_override;
+	unsigned int trwt;			/* read-to-write turnaround */
+} memctl_options_t;
+
+extern phys_size_t fsl_ddr_sdram(void);
+extern phys_size_t fsl_ddr_sdram_size(void);
+extern int fsl_use_spd(void);
+extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
+					unsigned int ctrl_num, int step);
+u32 fsl_ddr_get_intl3r(void);
+
+static void __board_assert_mem_reset(void)
+{
+}
+
+static void __board_deassert_mem_reset(void)
+{
+}
+
+void board_assert_mem_reset(void)
+	__attribute__((weak, alias("__board_assert_mem_reset")));
+
+void board_deassert_mem_reset(void)
+	__attribute__((weak, alias("__board_deassert_mem_reset")));
+
+static int __board_need_mem_reset(void)
+{
+	return 0;
+}
+
+int board_need_mem_reset(void)
+	__attribute__((weak, alias("__board_need_mem_reset")));
+
+/*
+ * The 85xx boards have a common prototype for fixed_sdram so put the
+ * declaration here.
+ */
+#ifdef CONFIG_MPC85xx
+extern phys_size_t fixed_sdram(void);
+#endif
+
+#if defined(CONFIG_DDR_ECC)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+
+typedef struct fixed_ddr_parm{
+	int min_freq;
+	int max_freq;
+	fsl_ddr_cfg_regs_t *ddr_settings;
+} fixed_ddr_parm_t;
+#endif