driver/ddr/fsl: Add DDR4 support to Freescale DDR driver

Mostly reusing DDR3 driver, this patch adds DDR4 SPD handling, register
calculation and programming.

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

7 files changed, 402 insertions, 47 deletions

diff --git a/include/common_timing_params.h b/include/common_timing_params.h
index 76338d4..821de21 100644
--- a/include/common_timing_params.h
+++ b/include/common_timing_params.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 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
@@ -14,32 +14,45 @@ typedef struct {
 
 	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;
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
+	unsigned int taamin_ps;
+#endif
 
-	unsigned int twr_ps;	/* maximum = 63750 ps */
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int trfc1_ps;
+	unsigned int trfc2_ps;
+	unsigned int trfc4_ps;
+	unsigned int trrds_ps;
+	unsigned int trrdl_ps;
+	unsigned int tccdl_ps;
+#else
 	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 trtp_ps;	/* byte 38, spd->trtp */
+#endif
+	unsigned int twr_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;
 
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 	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 */
+#endif
 
 	unsigned int ndimms_present;
-	unsigned int lowest_common_SPD_caslat;
+	unsigned int lowest_common_spd_caslat;
 	unsigned int highest_common_derated_caslat;
 	unsigned int additive_latency;
 	unsigned int all_dimms_burst_lengths_bitmask;
diff --git a/include/ddr_spd.h b/include/ddr_spd.h
index 15a3e8d..cf2aac6 100644
--- a/include/ddr_spd.h
+++ b/include/ddr_spd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 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
@@ -290,11 +290,220 @@ typedef struct ddr3_spd_eeprom_s {
 
 } ddr3_spd_eeprom_t;
 
+/* From JEEC Standard No. 21-C release 23A */
+struct ddr4_spd_eeprom_s {
+	/* General Section: Bytes 0-127 */
+	uint8_t info_size_crc;		/*  0 # bytes */
+	uint8_t spd_rev;		/*  1 Total # bytes of SPD */
+	uint8_t mem_type;		/*  2 Key Byte / mem type */
+	uint8_t module_type;		/*  3 Key Byte / Module Type */
+	uint8_t density_banks;		/*  4 Density and Banks	*/
+	uint8_t addressing;		/*  5 Addressing */
+	uint8_t package_type;		/*  6 Package type */
+	uint8_t opt_feature;		/*  7 Optional features */
+	uint8_t thermal_ref;		/*  8 Thermal and refresh */
+	uint8_t oth_opt_features;	/*  9 Other optional features */
+	uint8_t res_10;			/* 10 Reserved */
+	uint8_t module_vdd;		/* 11 Module nominal voltage */
+	uint8_t organization;		/* 12 Module Organization */
+	uint8_t bus_width;		/* 13 Module Memory Bus Width */
+	uint8_t therm_sensor;		/* 14 Module Thermal Sensor */
+	uint8_t ext_type;		/* 15 Extended module type */
+	uint8_t res_16;
+	uint8_t timebases;		/* 17 MTb and FTB */
+	uint8_t tck_min;		/* 18 tCKAVGmin */
+	uint8_t tck_max;		/* 19 TCKAVGmax */
+	uint8_t caslat_b1;		/* 20 CAS latencies, 1st byte */
+	uint8_t caslat_b2;		/* 21 CAS latencies, 2nd byte */
+	uint8_t caslat_b3;		/* 22 CAS latencies, 3rd byte */
+	uint8_t caslat_b4;		/* 23 CAS latencies, 4th byte */
+	uint8_t taa_min;		/* 24 Min CAS Latency Time */
+	uint8_t trcd_min;		/* 25 Min RAS# to CAS# Delay Time */
+	uint8_t trp_min;		/* 26 Min Row Precharge Delay Time */
+	uint8_t tras_trc_ext;		/* 27 Upper Nibbles for tRAS and tRC */
+	uint8_t tras_min_lsb;		/* 28 tRASmin, lsb */
+	uint8_t trc_min_lsb;		/* 29 tRCmin, lsb */
+	uint8_t trfc1_min_lsb;		/* 30 Min Refresh Recovery Delay Time */
+	uint8_t trfc1_min_msb;		/* 31 Min Refresh Recovery Delay Time */
+	uint8_t trfc2_min_lsb;		/* 32 Min Refresh Recovery Delay Time */
+	uint8_t trfc2_min_msb;		/* 33 Min Refresh Recovery Delay Time */
+	uint8_t trfc4_min_lsb;		/* 34 Min Refresh Recovery Delay Time */
+	uint8_t trfc4_min_msb;		/* 35 Min Refresh Recovery Delay Time */
+	uint8_t tfaw_msb;		/* 36 Upper Nibble for tFAW */
+	uint8_t tfaw_min;		/* 37 tFAW, lsb */
+	uint8_t trrds_min;		/* 38 tRRD_Smin, MTB */
+	uint8_t trrdl_min;		/* 39 tRRD_Lmin, MTB */
+	uint8_t tccdl_min;		/* 40 tCCS_Lmin, MTB */
+	uint8_t res_41[60-41];		/* 41 Rserved */
+	uint8_t mapping[78-60];		/* 60~77 Connector to SDRAM bit map */
+	uint8_t res_78[117-78];		/* 78~116, Reserved */
+	int8_t fine_tccdl_min;		/* 117 Fine offset for tCCD_Lmin */
+	int8_t fine_trrdl_min;		/* 118 Fine offset for tRRD_Lmin */
+	int8_t fine_trrds_min;		/* 119 Fine offset for tRRD_Smin */
+	int8_t fine_trc_min;		/* 120 Fine offset for tRCmin */
+	int8_t fine_trp_min;		/* 121 Fine offset for tRPmin */
+	int8_t fine_trcd_min;		/* 122 Fine offset for tRCDmin */
+	int8_t fine_taa_min;		/* 123 Fine offset for tAAmin */
+	int8_t fine_tck_max;		/* 124 Fine offset for tCKAVGmax */
+	int8_t fine_tck_min;		/* 125 Fine offset for tCKAVGmin */
+	/* CRC: Bytes 126-127 */
+	uint8_t crc[2];			/* 126-127 SPD CRC */
+
+	/* Module-Specific Section: Bytes 128-255 */
+	union {
+		struct {
+			/* 128 (Unbuffered) Module Nominal Height */
+			uint8_t mod_height;
+			/* 129 (Unbuffered) Module Maximum Thickness */
+			uint8_t mod_thickness;
+			/* 130 (Unbuffered) Reference Raw Card Used */
+			uint8_t ref_raw_card;
+			/* 131 (Unbuffered) Address Mapping from
+			      Edge Connector to DRAM */
+			uint8_t addr_mapping;
+			/* 132~253 (Unbuffered) Reserved */
+			uint8_t res_132[254-132];
+			/* 254~255 CRC */
+			uint8_t crc[2];
+		} unbuffered;
+		struct {
+			/* 128 (Registered) Module Nominal Height */
+			uint8_t mod_height;
+			/* 129 (Registered) Module Maximum Thickness */
+			uint8_t mod_thickness;
+			/* 130 (Registered) Reference Raw Card Used */
+			uint8_t ref_raw_card;
+			/* 131 DIMM Module Attributes */
+			uint8_t modu_attr;
+			/* 132 RDIMM Thermal Heat Spreader Solution */
+			uint8_t thermal;
+			/* 133 Register Manufacturer ID Code, LSB */
+			uint8_t reg_id_lo;
+			/* 134 Register Manufacturer ID Code, MSB */
+			uint8_t reg_id_hi;
+			/* 135 Register Revision Number */
+			uint8_t reg_rev;
+			/* 136 Address mapping from register to DRAM */
+			uint8_t reg_map;
+			/* 137~253 Reserved */
+			uint8_t res_137[254-137];
+			/* 254~255 CRC */
+			uint8_t crc[2];
+		} registered;
+		struct {
+			/* 128 (Loadreduced) Module Nominal Height */
+			uint8_t mod_height;
+			/* 129 (Loadreduced) Module Maximum Thickness */
+			uint8_t mod_thickness;
+			/* 130 (Loadreduced) Reference Raw Card Used */
+			uint8_t ref_raw_card;
+			/* 131 DIMM Module Attributes */
+			uint8_t modu_attr;
+			/* 132 RDIMM Thermal Heat Spreader Solution */
+			uint8_t thermal;
+			/* 133 Register Manufacturer ID Code, LSB */
+			uint8_t reg_id_lo;
+			/* 134 Register Manufacturer ID Code, MSB */
+			uint8_t reg_id_hi;
+			/* 135 Register Revision Number */
+			uint8_t reg_rev;
+			/* 136 Address mapping from register to DRAM */
+			uint8_t reg_map;
+			/* 137 Register Output Drive Strength for CMD/Add*/
+			uint8_t reg_drv;
+			/* 138 Register Output Drive Strength for CK */
+			uint8_t reg_drv_ck;
+			/* 139 Data Buffer Revision Number */
+			uint8_t data_buf_rev;
+			/* 140 DRAM VrefDQ for Package Rank 0 */
+			uint8_t vrefqe_r0;
+			/* 141 DRAM VrefDQ for Package Rank 1 */
+			uint8_t vrefqe_r1;
+			/* 142 DRAM VrefDQ for Package Rank 2 */
+			uint8_t vrefqe_r2;
+			/* 143 DRAM VrefDQ for Package Rank 3 */
+			uint8_t vrefqe_r3;
+			/* 144 Data Buffer VrefDQ for DRAM Interface */
+			uint8_t data_intf;
+			/*
+			 * 145 Data Buffer MDQ Drive Strength and RTT
+			 * for data rate <= 1866
+			 */
+			uint8_t data_drv_1866;
+			/*
+			 * 146 Data Buffer MDQ Drive Strength and RTT
+			 * for 1866 < data rate <= 2400
+			 */
+			uint8_t data_drv_2400;
+			/*
+			 * 147 Data Buffer MDQ Drive Strength and RTT
+			 * for 2400 < data rate <= 3200
+			 */
+			uint8_t data_drv_3200;
+			/* 148 DRAM Drive Strength */
+			uint8_t dram_drv;
+			/*
+			 * 149 DRAM ODT (RTT_WR, RTT_NOM)
+			 * for data rate <= 1866
+			 */
+			uint8_t dram_odt_1866;
+			/*
+			 * 150 DRAM ODT (RTT_WR, RTT_NOM)
+			 * for 1866 < data rate <= 2400
+			 */
+			uint8_t dram_odt_2400;
+			/*
+			 * 151 DRAM ODT (RTT_WR, RTT_NOM)
+			 * for 2400 < data rate <= 3200
+			 */
+			uint8_t dram_odt_3200;
+			/*
+			 * 152 DRAM ODT (RTT_PARK)
+			 * for data rate <= 1866
+			 */
+			uint8_t dram_odt_park_1866;
+			/*
+			 * 153 DRAM ODT (RTT_PARK)
+			 * for 1866 < data rate <= 2400
+			 */
+			uint8_t dram_odt_park_2400;
+			/*
+			 * 154 DRAM ODT (RTT_PARK)
+			 * for 2400 < data rate <= 3200
+			 */
+			uint8_t dram_odt_park_3200;
+			uint8_t res_155[254-155];	/* Reserved */
+			/* 254~255 CRC */
+			uint8_t crc[2];
+		} loadreduced;
+		uint8_t uc[128]; /* 128-255 Module-Specific Section */
+	} mod_section;
+
+	uint8_t res_256[320-256];	/* 256~319 Reserved */
+
+	/* Module supplier's data: Byte 320~383 */
+	uint8_t mmid_lsb;		/* 320 Module MfgID Code LSB */
+	uint8_t mmid_msb;		/* 321 Module MfgID Code MSB */
+	uint8_t mloc;			/* 322 Mfg Location */
+	uint8_t mdate[2];		/* 323~324 Mfg Date */
+	uint8_t sernum[4];		/* 325~328 Module Serial Number */
+	uint8_t mpart[20];		/* 329~348 Mfg's Module Part Number */
+	uint8_t mrev;			/* 349 Module Revision Code */
+	uint8_t dmid_lsb;		/* 350 DRAM MfgID Code LSB */
+	uint8_t dmid_msb;		/* 351 DRAM MfgID Code MSB */
+	uint8_t stepping;		/* 352 DRAM stepping */
+	uint8_t msd[29];		/* 353~381 Mfg's Specific Data */
+	uint8_t res_382[2];		/* 382~383 Reserved */
+
+	uint8_t user[512-384];		/* 384~511 End User Programmable */
+};
+
 extern unsigned int ddr1_spd_check(const ddr1_spd_eeprom_t *spd);
 extern void ddr1_spd_dump(const ddr1_spd_eeprom_t *spd);
 extern unsigned int ddr2_spd_check(const ddr2_spd_eeprom_t *spd);
 extern void ddr2_spd_dump(const ddr2_spd_eeprom_t *spd);
 extern unsigned int ddr3_spd_check(const ddr3_spd_eeprom_t *spd);
+unsigned int ddr4_spd_check(const struct ddr4_spd_eeprom_s *spd);
 
 /*
  * Byte 2 Fundamental Memory Types.
@@ -310,6 +519,7 @@ extern unsigned int ddr3_spd_check(const ddr3_spd_eeprom_t *spd);
 #define SPD_MEMTYPE_DDR2_FBDIMM	(0x09)
 #define SPD_MEMTYPE_DDR2_FBDIMM_PROBE	(0x0A)
 #define SPD_MEMTYPE_DDR3	(0x0B)
+#define SPD_MEMTYPE_DDR4	(0x0C)
 
 /* DIMM Type for DDR2 SPD (according to v1.3) */
 #define DDR2_SPD_DIMMTYPE_UNDEFINED	(0x00)
@@ -338,4 +548,18 @@ extern unsigned int ddr3_spd_check(const ddr3_spd_eeprom_t *spd);
 #define DDR3_SPD_MODULETYPE_16B_SO_DIMM	(0x0C)
 #define DDR3_SPD_MODULETYPE_32B_SO_DIMM	(0x0D)
 
+/* DIMM Type for DDR4 SPD */
+#define DDR4_SPD_MODULETYPE_MASK	(0x0f)
+#define DDR4_SPD_MODULETYPE_EXT		(0x00)
+#define DDR4_SPD_MODULETYPE_RDIMM	(0x01)
+#define DDR4_SPD_MODULETYPE_UDIMM	(0x02)
+#define DDR4_SPD_MODULETYPE_SO_DIMM	(0x03)
+#define DDR4_SPD_MODULETYPE_LRDIMM	(0x04)
+#define DDR4_SPD_MODULETYPE_MINI_RDIMM	(0x05)
+#define DDR4_SPD_MODULETYPE_MINI_UDIMM	(0x06)
+#define DDR4_SPD_MODULETYPE_72B_SO_UDIMM	(0x08)
+#define DDR4_SPD_MODULETYPE_72B_SO_RDIMM	(0x09)
+#define DDR4_SPD_MODULETYPE_16B_SO_DIMM	(0x0C)
+#define DDR4_SPD_MODULETYPE_32B_SO_DIMM	(0x0D)
+
 #endif /* _DDR_SPD_H_ */
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
index 72c0b2e..5c49b22 100644
--- a/include/fsl_ddr.h
+++ b/include/fsl_ddr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 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
@@ -9,6 +9,7 @@
 #ifndef FSL_DDR_MAIN_H
 #define FSL_DDR_MAIN_H
 
+#include <fsl_ddrc_version.h>
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
 
@@ -22,6 +23,10 @@
 #define ddr_out32(a, v)	out_be32(a, v)
 #endif
 
+#define _DDR_ADDR CONFIG_SYS_FSL_DDR_ADDR
+
+u32 fsl_ddr_get_version(void);
+
 #if defined(CONFIG_DDR_SPD) || defined(CONFIG_SPD_EEPROM)
 /*
  * Bind the main DDR setup driver's generic names
diff --git a/include/fsl_ddr_dimm_params.h b/include/fsl_ddr_dimm_params.h
index 99a72bc..09a67a6 100644
--- a/include/fsl_ddr_dimm_params.h
+++ b/include/fsl_ddr_dimm_params.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 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
@@ -13,7 +13,7 @@
 #define EDC_ECC		2
 #define EDC_AC_PARITY	4
 
-/* Parameters for a DDR2 dimm computed from the SPD */
+/* Parameters for a DDR dimm computed from the SPD */
 typedef struct dimm_params_s {
 
 	/* DIMM organization parameters */
@@ -32,7 +32,12 @@ typedef struct dimm_params_s {
 	unsigned int n_row_addr;
 	unsigned int n_col_addr;
 	unsigned int edc_config;	/* 0 = none, 1 = parity, 2 = ECC */
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int bank_addr_bits;
+	unsigned int bank_group_bits;
+#else
 	unsigned int n_banks_per_sdram_device;
+#endif
 	unsigned int burst_lengths_bitmask;	/* BL=4 bit 2, BL=8 = bit 3 */
 	unsigned int row_density;
 
@@ -43,19 +48,19 @@ typedef struct dimm_params_s {
 
 	/* 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 */
+	int mtb_ps;	/* medium timebase ps */
+	int ftb_10th_ps; /* fine timebase, in 1/10 ps */
+	int taa_ps;	/* minimum CAS latency time */
+	int tfaw_ps;	/* four active window delay */
 
 	/*
 	 * 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;
+	int tckmin_x_ps;
+	int tckmin_x_minus_1_ps;
+	int tckmin_x_minus_2_ps;
+	int tckmax_ps;
 
 	/* SPD-defined CAS latencies */
 	unsigned int caslat_x;
@@ -65,32 +70,46 @@ typedef struct dimm_params_s {
 	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
+	int trcd_ps;
+	int trp_ps;
+	int tras_ps;
+
+#ifdef CONFIG_SYS_FSL_DDR4
+	int trfc1_ps;
+	int trfc2_ps;
+	int trfc4_ps;
+	int trrds_ps;
+	int trrdl_ps;
+	int tccdl_ps;
+#else
+	int twr_ps;	/* maximum = 63750 ps */
+	int trfc_ps;	/* max = 255 ns + 256 ns + .75 ns
 				       = 511750 ps */
+	int trrd_ps;	/* maximum = 63750 ps */
+	int twtr_ps;	/* maximum = 63750 ps */
+	int trtp_ps;	/* byte 38, spd->trtp */
+#endif
 
-	unsigned int trrd_ps;	/* maximum = 63750 ps */
-	unsigned int trc_ps;	/* maximum = 254 ns + .75 ns = 254750 ps */
+	int trc_ps;	/* maximum = 254 ns + .75 ns = 254750 ps */
 
-	unsigned int refresh_rate_ps;
-	unsigned int extended_op_srt;
+	int refresh_rate_ps;
+	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 */
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
+	int tis_ps;	/* byte 32, spd->ca_setup */
+	int tih_ps;	/* byte 33, spd->ca_hold */
+	int tds_ps;	/* byte 34, spd->data_setup */
+	int tdh_ps;	/* byte 35, spd->data_hold */
+	int tdqsq_max_ps;	/* byte 44, spd->tdqsq */
+	int tqhs_ps;	/* byte 45, spd->tqhs */
+#endif
 
 	/* DDR3 RDIMM */
 	unsigned char rcw[16];	/* Register Control Word 0-15 */
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int dq_mapping[18];
+	unsigned int dq_mapping_ors;
+#endif
 } dimm_params_t;
 
 extern unsigned int ddr_compute_dimm_parameters(
diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h
index 2a36431..e39b716 100644
--- a/include/fsl_ddr_sdram.h
+++ b/include/fsl_ddr_sdram.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 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
@@ -13,11 +13,13 @@
  * Pick a basic DDR Technology.
  */
 #include <ddr_spd.h>
+#include <fsl_ddrc_version.h>
 
-#define SDRAM_TYPE_DDR1    2
-#define SDRAM_TYPE_DDR2    3
-#define SDRAM_TYPE_LPDDR1  6
-#define SDRAM_TYPE_DDR3    7
+#define SDRAM_TYPE_DDR1		2
+#define SDRAM_TYPE_DDR2		3
+#define SDRAM_TYPE_LPDDR1	6
+#define SDRAM_TYPE_DDR3		7
+#define SDRAM_TYPE_DDR4		5
 
 #define DDR_BL4		4	/* burst length 4 */
 #define DDR_BC4		DDR_BL4	/* burst chop for ddr3 */
@@ -54,6 +56,12 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
 #ifndef CONFIG_FSL_SDRAM_TYPE
 #define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR3
 #endif
+#elif defined(CONFIG_SYS_FSL_DDR4)
+#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(3)	/* FIXME */
+typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
+#ifndef CONFIG_FSL_SDRAM_TYPE
+#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR4
+#endif
 #endif	/* #if defined(CONFIG_SYS_FSL_DDR1) */
 
 #define FSL_DDR_ODT_NEVER		0x0
@@ -116,7 +124,8 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
 
 #define TIMING_CFG_2_CPO_MASK	0x0F800000
 
-#if defined(CONFIG_P4080)
+#if defined(CONFIG_SYS_FSL_DDR_VER) && \
+	(CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
 #define RD_TO_PRE_MASK		0xf
 #define RD_TO_PRE_SHIFT		13
 #define WR_DATA_DELAY_MASK	0xf
@@ -154,9 +163,27 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
 #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)
+#define DDR_CDR2_VREF_OVRD(x)	(0x00008080 | ((((x) - 37) & 0x3F) << 8))
 
 #if (defined(CONFIG_SYS_FSL_DDR_VER) && \
 	(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
+#ifdef CONFIG_SYS_FSL_DDR3L
+#define DDR_CDR_ODT_OFF		0x0
+#define DDR_CDR_ODT_120ohm	0x1
+#define DDR_CDR_ODT_200ohm	0x2
+#define DDR_CDR_ODT_75ohm	0x3
+#define DDR_CDR_ODT_60ohm	0x5
+#define DDR_CDR_ODT_46ohm	0x7
+#elif defined(CONFIG_SYS_FSL_DDR4)
+#define DDR_CDR_ODT_OFF		0x0
+#define DDR_CDR_ODT_100ohm	0x1
+#define DDR_CDR_ODT_120OHM	0x2
+#define DDR_CDR_ODT_80ohm	0x3
+#define DDR_CDR_ODT_60ohm	0x4
+#define DDR_CDR_ODT_40ohm	0x5
+#define DDR_CDR_ODT_50ohm	0x6
+#define DDR_CDR_ODT_30ohm	0x7
+#else
 #define DDR_CDR_ODT_OFF		0x0
 #define DDR_CDR_ODT_120ohm	0x1
 #define DDR_CDR_ODT_180ohm	0x2
@@ -165,6 +192,7 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
 #define DDR_CDR_ODT_60hm	0x5
 #define DDR_CDR_ODT_70ohm	0x6
 #define DDR_CDR_ODT_47ohm	0x7
+#endif /* DDR3L */
 #else
 #define DDR_CDR_ODT_75ohm	0x0
 #define DDR_CDR_ODT_55ohm	0x1
@@ -188,6 +216,7 @@ typedef struct fsl_ddr_cfg_regs_s {
 	unsigned int timing_cfg_2;
 	unsigned int ddr_sdram_cfg;
 	unsigned int ddr_sdram_cfg_2;
+	unsigned int ddr_sdram_cfg_3;
 	unsigned int ddr_sdram_mode;
 	unsigned int ddr_sdram_mode_2;
 	unsigned int ddr_sdram_mode_3;
@@ -196,6 +225,14 @@ typedef struct fsl_ddr_cfg_regs_s {
 	unsigned int ddr_sdram_mode_6;
 	unsigned int ddr_sdram_mode_7;
 	unsigned int ddr_sdram_mode_8;
+	unsigned int ddr_sdram_mode_9;
+	unsigned int ddr_sdram_mode_10;
+	unsigned int ddr_sdram_mode_11;
+	unsigned int ddr_sdram_mode_12;
+	unsigned int ddr_sdram_mode_13;
+	unsigned int ddr_sdram_mode_14;
+	unsigned int ddr_sdram_mode_15;
+	unsigned int ddr_sdram_mode_16;
 	unsigned int ddr_sdram_md_cntl;
 	unsigned int ddr_sdram_interval;
 	unsigned int ddr_data_init;
@@ -204,6 +241,10 @@ typedef struct fsl_ddr_cfg_regs_s {
 	unsigned int ddr_init_ext_addr;
 	unsigned int timing_cfg_4;
 	unsigned int timing_cfg_5;
+	unsigned int timing_cfg_6;
+	unsigned int timing_cfg_7;
+	unsigned int timing_cfg_8;
+	unsigned int timing_cfg_9;
 	unsigned int ddr_zq_cntl;
 	unsigned int ddr_wrlvl_cntl;
 	unsigned int ddr_wrlvl_cntl_2;
@@ -211,6 +252,14 @@ typedef struct fsl_ddr_cfg_regs_s {
 	unsigned int ddr_sr_cntr;
 	unsigned int ddr_sdram_rcw_1;
 	unsigned int ddr_sdram_rcw_2;
+	unsigned int ddr_sdram_rcw_3;
+	unsigned int ddr_sdram_rcw_4;
+	unsigned int ddr_sdram_rcw_5;
+	unsigned int ddr_sdram_rcw_6;
+	unsigned int dq_map_0;
+	unsigned int dq_map_1;
+	unsigned int dq_map_2;
+	unsigned int dq_map_3;
 	unsigned int ddr_eor;
 	unsigned int ddr_cdr1;
 	unsigned int ddr_cdr2;
@@ -225,7 +274,7 @@ typedef struct memctl_options_partial_s {
 	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 lowest_common_spd_caslat; */
 	unsigned int all_dimms_minimum_trcd_ps;
 } memctl_options_partial_t;
 
diff --git a/include/fsl_ddrc_version.h b/include/fsl_ddrc_version.h
new file mode 100644
index 0000000..60ba98b
--- /dev/null
+++ b/include/fsl_ddrc_version.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __FSL_DDRC_VER_H
+#define __FSL_DDRC_VER_H
+
+/*
+ * Only the versions with distinct features or registers are listed here.
+ */
+#define FSL_DDR_VER_4_4 44
+#define FSL_DDR_VER_4_6 46
+#define FSL_DDR_VER_4_7	47
+#define FSL_DDR_VER_5_0	50
+
+#endif /* __FSL_DDRC_VER_H */
diff --git a/include/fsl_immap.h b/include/fsl_immap.h
index 00902ca..d63cc19 100644
--- a/include/fsl_immap.h
+++ b/include/fsl_immap.h
@@ -1,7 +1,7 @@
 /*
  * Common internal memory map for some Freescale SoCs
  *
- * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2013-2014 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -50,7 +50,8 @@ struct ccsr_ddr {
 	u8	res_150[16];
 	u32	timing_cfg_4;		/* SDRAM Timing Configuration 4 */
 	u32	timing_cfg_5;		/* SDRAM Timing Configuration 5 */
-	u8	reg_168[8];
+	u32	timing_cfg_6;		/* SDRAM Timing Configuration 6 */
+	u32	timing_cfg_7;		/* SDRAM Timing Configuration 7 */
 	u32	ddr_zq_cntl;		/* ZQ calibration control*/
 	u32	ddr_wrlvl_cntl;		/* write leveling control*/
 	u8	reg_178[4];
@@ -60,14 +61,40 @@ struct ccsr_ddr {
 	u8	reg_188[8];
 	u32	ddr_wrlvl_cntl_2;	/* write leveling control 2 */
 	u32	ddr_wrlvl_cntl_3;	/* write leveling control 3 */
-	u8	res_198[104];
+	u8	res_198[0x1a0-0x198];
+	u32	ddr_sdram_rcw_3;
+	u32	ddr_sdram_rcw_4;
+	u32	ddr_sdram_rcw_5;
+	u32	ddr_sdram_rcw_6;
+	u8	res_1b0[0x200-0x1b0];
 	u32	sdram_mode_3;		/* SDRAM Mode Configuration 3 */
 	u32	sdram_mode_4;		/* SDRAM Mode Configuration 4 */
 	u32	sdram_mode_5;		/* SDRAM Mode Configuration 5 */
 	u32	sdram_mode_6;		/* SDRAM Mode Configuration 6 */
 	u32	sdram_mode_7;		/* SDRAM Mode Configuration 7 */
 	u32	sdram_mode_8;		/* SDRAM Mode Configuration 8 */
-	u8	res_218[0x908];
+	u8	res_218[0x220-0x218];
+	u32	sdram_mode_9;		/* SDRAM Mode Configuration 9 */
+	u32	sdram_mode_10;		/* SDRAM Mode Configuration 10 */
+	u32	sdram_mode_11;		/* SDRAM Mode Configuration 11 */
+	u32	sdram_mode_12;		/* SDRAM Mode Configuration 12 */
+	u32	sdram_mode_13;		/* SDRAM Mode Configuration 13 */
+	u32	sdram_mode_14;		/* SDRAM Mode Configuration 14 */
+	u32	sdram_mode_15;		/* SDRAM Mode Configuration 15 */
+	u32	sdram_mode_16;		/* SDRAM Mode Configuration 16 */
+	u8	res_240[0x250-0x240];
+	u32	timing_cfg_8;		/* SDRAM Timing Configuration 8 */
+	u32	timing_cfg_9;		/* SDRAM Timing Configuration 9 */
+	u8	res_258[0x260-0x258];
+	u32	sdram_cfg_3;
+	u8	res_264[0x2a0-0x264];
+	u32	deskew_cntl;
+	u8	res_2a4[0x400-0x2a4];
+	u32	dq_map_0;
+	u32	dq_map_1;
+	u32	dq_map_2;
+	u32	dq_map_3;
+	u8	res_410[0xb20-0x410];
 	u32	ddr_dsr1;		/* Debug Status 1 */
 	u32	ddr_dsr2;		/* Debug Status 2 */
 	u32	ddr_cdr1;		/* Control Driver 1 */