Merge branch 'master' of git://git.denx.de/u-boot-arm

50 files changed, 2638 insertions, 3159 deletions

diff --git a/drivers/ddr/fsl/Makefile b/drivers/ddr/fsl/Makefile
index 265204f..df66c07 100644
--- a/drivers/ddr/fsl/Makefile
+++ b/drivers/ddr/fsl/Makefile
@@ -1,19 +1,20 @@
 #
-# 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
 # Version 2 as published by the Free Software Foundation.
 #
 
-obj-$(CONFIG_SYS_FSL_DDR1)	+= main.o util.o ctrl_regs.o options.o \
-				   lc_common_dimm_params.o
+obj-$(CONFIG_SYS_FSL_DDR1) += main.o util.o ctrl_regs.o options.o \
+				lc_common_dimm_params.o
+obj-$(CONFIG_SYS_FSL_DDR2) += main.o util.o ctrl_regs.o options.o \
+				lc_common_dimm_params.o
+obj-$(CONFIG_SYS_FSL_DDR3) += main.o util.o ctrl_regs.o options.o \
+				lc_common_dimm_params.o
+obj-$(CONFIG_SYS_FSL_DDR4) += main.o util.o ctrl_regs.o options.o \
+				lc_common_dimm_params.o
 
-obj-$(CONFIG_SYS_FSL_DDR2)	+= main.o util.o ctrl_regs.o options.o \
-				   lc_common_dimm_params.o
-
-obj-$(CONFIG_SYS_FSL_DDR3)	+= main.o util.o ctrl_regs.o options.o \
-				   lc_common_dimm_params.o
 ifdef CONFIG_DDR_SPD
 SPD := y
 endif
@@ -24,6 +25,7 @@ ifdef SPD
 obj-$(CONFIG_SYS_FSL_DDR1)	+= ddr1_dimm_params.o
 obj-$(CONFIG_SYS_FSL_DDR2)	+= ddr2_dimm_params.o
 obj-$(CONFIG_SYS_FSL_DDR3)	+= ddr3_dimm_params.o
+obj-$(CONFIG_SYS_FSL_DDR4)	+= ddr4_dimm_params.o
 endif
 
 obj-$(CONFIG_FSL_DDR_INTERACTIVE)	+= interactive.o
@@ -32,3 +34,4 @@ obj-$(CONFIG_SYS_FSL_DDRC_GEN2)	+= mpc85xx_ddr_gen2.o
 obj-$(CONFIG_SYS_FSL_DDRC_GEN3)	+= mpc85xx_ddr_gen3.o
 obj-$(CONFIG_SYS_FSL_DDR_86XX)		+= mpc86xx_ddr.o
 obj-$(CONFIG_SYS_FSL_DDRC_ARM_GEN3)	+= arm_ddr_gen3.o
+obj-$(CONFIG_SYS_FSL_DDRC_GEN4) += fsl_ddr_gen4.o
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c
index 0882932..78e82bb 100644
--- a/drivers/ddr/fsl/ctrl_regs.c
+++ b/drivers/ddr/fsl/ctrl_regs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2012 Freescale Semiconductor, Inc.
+ * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -17,20 +17,6 @@
 #include <fsl_immap.h>
 #include <asm/io.h>
 
-#define _DDR_ADDR CONFIG_SYS_FSL_DDR_ADDR
-
-static u32 fsl_ddr_get_version(void)
-{
-	struct ccsr_ddr __iomem *ddr;
-	u32 ver_major_minor_errata;
-
-	ddr = (void *)_DDR_ADDR;
-	ver_major_minor_errata = (ddr_in32(&ddr->ip_rev1) & 0xFFFF) << 8;
-	ver_major_minor_errata |= (ddr_in32(&ddr->ip_rev2) & 0xFF00) >> 8;
-
-	return ver_major_minor_errata;
-}
-
 unsigned int picos_to_mclk(unsigned int picos);
 
 /*
@@ -81,6 +67,39 @@ static inline int fsl_ddr_get_rtt(void)
 	return rtt;
 }
 
+#ifdef CONFIG_SYS_FSL_DDR4
+/*
+ * compute CAS write latency according to DDR4 spec
+ * CWL = 9 for <= 1600MT/s
+ *       10 for <= 1866MT/s
+ *       11 for <= 2133MT/s
+ *       12 for <= 2400MT/s
+ *       14 for <= 2667MT/s
+ *       16 for <= 2933MT/s
+ *       18 for higher
+ */
+static inline unsigned int compute_cas_write_latency(void)
+{
+	unsigned int cwl;
+	const unsigned int mclk_ps = get_memory_clk_period_ps();
+	if (mclk_ps >= 1250)
+		cwl = 9;
+	else if (mclk_ps >= 1070)
+		cwl = 10;
+	else if (mclk_ps >= 935)
+		cwl = 11;
+	else if (mclk_ps >= 833)
+		cwl = 12;
+	else if (mclk_ps >= 750)
+		cwl = 14;
+	else if (mclk_ps >= 681)
+		cwl = 16;
+	else
+		cwl = 18;
+
+	return cwl;
+}
+#else
 /*
  * compute the CAS write latency according to DDR3 spec
  * CWL = 5 if tCK >= 2.5ns
@@ -119,6 +138,7 @@ static inline unsigned int compute_cas_write_latency(void)
 	}
 	return cwl;
 }
+#endif
 
 /* Chip Select Configuration (CSn_CONFIG) */
 static void set_csn_config(int dimm_number, int i, fsl_ddr_cfg_regs_t *ddr,
@@ -135,6 +155,11 @@ static void set_csn_config(int dimm_number, int i, fsl_ddr_cfg_regs_t *ddr,
 	unsigned int row_bits_cs_n = 0; /* Num of row bits for SDRAM on CSn */
 	unsigned int col_bits_cs_n = 0; /* Num of ocl bits for SDRAM on CSn */
 	int go_config = 0;
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int bg_bits_cs_n = 0; /* Num of bank group bits */
+#else
+	unsigned int n_banks_per_sdram_device;
+#endif
 
 	/* Compute CS_CONFIG only for existing ranks of each DIMM.  */
 	switch (i) {
@@ -178,14 +203,18 @@ static void set_csn_config(int dimm_number, int i, fsl_ddr_cfg_regs_t *ddr,
 		break;
 	}
 	if (go_config) {
-		unsigned int n_banks_per_sdram_device;
 		cs_n_en = 1;
 		ap_n_en = popts->cs_local_opts[i].auto_precharge;
 		odt_rd_cfg = popts->cs_local_opts[i].odt_rd_cfg;
 		odt_wr_cfg = popts->cs_local_opts[i].odt_wr_cfg;
+#ifdef CONFIG_SYS_FSL_DDR4
+		ba_bits_cs_n = dimm_params[dimm_number].bank_addr_bits;
+		bg_bits_cs_n = dimm_params[dimm_number].bank_group_bits;
+#else
 		n_banks_per_sdram_device
 			= dimm_params[dimm_number].n_banks_per_sdram_device;
 		ba_bits_cs_n = __ilog2(n_banks_per_sdram_device) - 2;
+#endif
 		row_bits_cs_n = dimm_params[dimm_number].n_row_addr - 12;
 		col_bits_cs_n = dimm_params[dimm_number].n_col_addr - 8;
 	}
@@ -203,6 +232,9 @@ static void set_csn_config(int dimm_number, int i, fsl_ddr_cfg_regs_t *ddr,
 
 		| ((ba_bits_cs_n & 0x3) << 14)
 		| ((row_bits_cs_n & 0x7) << 8)
+#ifdef CONFIG_SYS_FSL_DDR4
+		| ((bg_bits_cs_n & 0x3) << 4)
+#endif
 		| ((col_bits_cs_n & 0x7) << 0)
 		);
 	debug("FSLDDR: cs[%d]_config = 0x%08x\n", i,ddr->cs[i].config);
@@ -262,11 +294,23 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr,
 	/* Precharge powerdown exit timing (tXP). */
 	unsigned char pre_pd_exit_mclk;
 	/* ODT powerdown exit timing (tAXPD). */
-	unsigned char taxpd_mclk;
+	unsigned char taxpd_mclk = 0;
 	/* Mode register set cycle time (tMRD). */
 	unsigned char tmrd_mclk;
 
-#ifdef CONFIG_SYS_FSL_DDR3
+#ifdef CONFIG_SYS_FSL_DDR4
+	/* tXP=max(4nCK, 6ns) */
+	int txp = max((get_memory_clk_period_ps() * 4), 6000); /* unit=ps */
+	trwt_mclk = 2;
+	twrt_mclk = 1;
+	act_pd_exit_mclk = picos_to_mclk(txp);
+	pre_pd_exit_mclk = act_pd_exit_mclk;
+	/*
+	 * MRS_CYC = max(tMRD, tMOD)
+	 * tMRD = 8nCK, tMOD = max(24nCK, 15ns)
+	 */
+	tmrd_mclk = max(24, picos_to_mclk(15000));
+#elif defined(CONFIG_SYS_FSL_DDR3)
 	/*
 	 * (tXARD and tXARDS). Empirical?
 	 * The DDR3 spec has not tXARD,
@@ -275,7 +319,7 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr,
 	 * spec has not the tAXPD, we use
 	 * tAXPD=1, need design to confirm.
 	 */
-	int tXP = max((get_memory_clk_period_ps() * 3), 7500); /* unit=ps */
+	int txp = max((get_memory_clk_period_ps() * 3), 7500); /* unit=ps */
 	unsigned int data_rate = get_ddr_freq(0);
 	tmrd_mclk = 4;
 	/* set the turnaround time */
@@ -300,7 +344,7 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr,
 		taxpd_mclk = 1;
 	} else {
 		/* act_pd_exit_mclk = tXARD, see above */
-		act_pd_exit_mclk = picos_to_mclk(tXP);
+		act_pd_exit_mclk = picos_to_mclk(txp);
 		/* Mode register MR0[A12] is '1' - fast exit */
 		pre_pd_exit_mclk = act_pd_exit_mclk;
 		taxpd_mclk = 1;
@@ -364,8 +408,12 @@ static void set_timing_cfg_3(fsl_ddr_cfg_regs_t *ddr,
 	ext_acttorw = picos_to_mclk(common_dimm->trcd_ps) >> 4;
 	ext_caslat = (2 * cas_latency - 1) >> 4;
 	ext_add_lat = additive_latency >> 4;
+#ifdef CONFIG_SYS_FSL_DDR4
+	ext_refrec = (picos_to_mclk(common_dimm->trfc1_ps) - 8) >> 4;
+#else
 	ext_refrec = (picos_to_mclk(common_dimm->trfc_ps) - 8) >> 4;
 	/* ext_wrrec only deals with 16 clock and above, or 14 with OTF */
+#endif
 	ext_wrrec = (picos_to_mclk(common_dimm->twr_ps) +
 		(popts->otf_burst_chop_en ? 2 : 0)) >> 4;
 
@@ -404,9 +452,19 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr,
 	unsigned char acttoact_mclk;
 	/* Last write data pair to read command issue interval (tWTR) */
 	unsigned char wrtord_mclk;
+#ifdef CONFIG_SYS_FSL_DDR4
+	/* DDR4 supports 10, 12, 14, 16, 18, 20, 24 */
+	static const u8 wrrec_table[] = {
+		10, 10, 10, 10, 10,
+		10, 10, 10, 10, 10,
+		12, 12, 14, 14, 16,
+		16, 18, 18, 20, 20,
+		24, 24, 24, 24};
+#else
 	/* DDR_SDRAM_MODE doesn't support 9,11,13,15 */
 	static const u8 wrrec_table[] = {
 		1, 2, 3, 4, 5, 6, 7, 8, 10, 10, 12, 12, 14, 14, 0, 0};
+#endif
 
 	pretoact_mclk = picos_to_mclk(common_dimm->trp_ps);
 	acttopre_mclk = picos_to_mclk(common_dimm->tras_ps);
@@ -438,20 +496,34 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr,
 	 * we need set extend bit for it at
 	 * TIMING_CFG_3[EXT_CASLAT]
 	 */
-	caslat_ctrl = 2 * cas_latency - 1;
+	if (fsl_ddr_get_version() <= 0x40400)
+		caslat_ctrl = 2 * cas_latency - 1;
+	else
+		caslat_ctrl = (cas_latency - 1) << 1;
 #endif
 
+#ifdef CONFIG_SYS_FSL_DDR4
+	refrec_ctrl = picos_to_mclk(common_dimm->trfc1_ps) - 8;
+	wrrec_mclk = picos_to_mclk(common_dimm->twr_ps);
+	acttoact_mclk = max(picos_to_mclk(common_dimm->trrds_ps), 4);
+	wrtord_mclk = max(2, picos_to_mclk(2500));
+	if ((wrrec_mclk < 1) || (wrrec_mclk > 24))
+		printf("Error: WRREC doesn't support %d clocks\n", wrrec_mclk);
+	else
+		wrrec_mclk = wrrec_table[wrrec_mclk - 1];
+#else
 	refrec_ctrl = picos_to_mclk(common_dimm->trfc_ps) - 8;
 	wrrec_mclk = picos_to_mclk(common_dimm->twr_ps);
-
-	if (wrrec_mclk > 16)
-		printf("Error: WRREC doesn't support more than 16 clocks\n");
+	acttoact_mclk = picos_to_mclk(common_dimm->trrd_ps);
+	wrtord_mclk = picos_to_mclk(common_dimm->twtr_ps);
+	if ((wrrec_mclk < 1) || (wrrec_mclk > 16))
+		printf("Error: WRREC doesn't support %d clocks\n", wrrec_mclk);
 	else
 		wrrec_mclk = wrrec_table[wrrec_mclk - 1];
+#endif
 	if (popts->otf_burst_chop_en)
 		wrrec_mclk += 2;
 
-	acttoact_mclk = picos_to_mclk(common_dimm->trrd_ps);
 	/*
 	 * JEDEC has min requirement for tRRD
 	 */
@@ -459,7 +531,6 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr,
 	if (acttoact_mclk < 4)
 		acttoact_mclk = 4;
 #endif
-	wrtord_mclk = picos_to_mclk(common_dimm->twtr_ps);
 	/*
 	 * JEDEC has some min requirements for tWTR
 	 */
@@ -526,14 +597,18 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 	wr_lat = compute_cas_write_latency();
 #endif
 
+#ifdef CONFIG_SYS_FSL_DDR4
+	rd_to_pre = picos_to_mclk(7500);
+#else
 	rd_to_pre = picos_to_mclk(common_dimm->trtp_ps);
+#endif
 	/*
 	 * JEDEC has some min requirements for tRTP
 	 */
 #if defined(CONFIG_SYS_FSL_DDR2)
 	if (rd_to_pre  < 2)
 		rd_to_pre  = 2;
-#elif defined(CONFIG_SYS_FSL_DDR3)
+#elif defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	if (rd_to_pre < 4)
 		rd_to_pre = 4;
 #endif
@@ -541,13 +616,20 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 		rd_to_pre += 2; /* according to UM */
 
 	wr_data_delay = popts->write_data_delay;
+#ifdef CONFIG_SYS_FSL_DDR4
+	cpo = 0;
+	cke_pls = max(3, picos_to_mclk(5000));
+#else
 	cke_pls = picos_to_mclk(popts->tcke_clock_pulse_width_ps);
+#endif
+
 	four_act = picos_to_mclk(popts->tfaw_window_four_activates_ps);
 
 	ddr->timing_cfg_2 = (0
 		| ((add_lat_mclk & 0xf) << 28)
 		| ((cpo & 0x1f) << 23)
 		| ((wr_lat & 0xf) << 19)
+		| ((wr_lat & 0x10) << 14)
 		| ((rd_to_pre & RD_TO_PRE_MASK) << RD_TO_PRE_SHIFT)
 		| ((wr_data_delay & WR_DATA_DELAY_MASK) << WR_DATA_DELAY_SHIFT)
 		| ((cke_pls & 0x7) << 6)
@@ -640,7 +722,8 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr,
 	 * we must clear it when use the on-the-fly mode,
 	 * must set it when use the 32-bits bus mode.
 	 */
-	if (sdram_type == SDRAM_TYPE_DDR3) {
+	if ((sdram_type == SDRAM_TYPE_DDR3) ||
+	    (sdram_type == SDRAM_TYPE_DDR4)) {
 		if (popts->burst_length == DDR_BL8)
 			eight_be = 1;
 		if (popts->burst_length == DDR_OTF)
@@ -682,8 +765,6 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 {
 	unsigned int frc_sr = 0;	/* Force self refresh */
 	unsigned int sr_ie = 0;		/* Self-refresh interrupt enable */
-	unsigned int dll_rst_dis;	/* DLL reset disable */
-	unsigned int dqs_cfg;		/* DQS configuration */
 	unsigned int odt_cfg = 0;	/* ODT configuration */
 	unsigned int num_pr;		/* Number of posted refreshes */
 	unsigned int slow = 0;		/* DDR will be run less than 1250 */
@@ -695,9 +776,12 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 	unsigned int md_en = 0;		/* Mirrored DIMM Enable */
 	unsigned int qd_en = 0;		/* quad-rank DIMM Enable */
 	int i;
+#ifndef CONFIG_SYS_FSL_DDR4
+	unsigned int dll_rst_dis = 1;	/* DLL reset disable */
+	unsigned int dqs_cfg;		/* DQS configuration */
 
-	dll_rst_dis = 1;	/* Make this configurable */
 	dqs_cfg = popts->dqs_config;
+#endif
 	for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
 		if (popts->cs_local_opts[i].odt_rd_cfg
 			|| popts->cs_local_opts[i].odt_wr_cfg) {
@@ -715,7 +799,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 	 *        * ({EXT_REFREC || REFREC} + 8 + 2)]}
 	 *      << DDR_SDRAM_INTERVAL[REFINT]
 	 */
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	obc_cfg = popts->otf_burst_chop_en;
 #else
 	obc_cfg = 0;
@@ -744,15 +828,17 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 	d_init = 0;
 #endif
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	md_en = popts->mirrored_dimm;
 #endif
 	qd_en = popts->quad_rank_present ? 1 : 0;
 	ddr->ddr_sdram_cfg_2 = (0
 		| ((frc_sr & 0x1) << 31)
 		| ((sr_ie & 0x1) << 30)
+#ifndef CONFIG_SYS_FSL_DDR4
 		| ((dll_rst_dis & 0x1) << 29)
 		| ((dqs_cfg & 0x3) << 26)
+#endif
 		| ((odt_cfg & 0x3) << 21)
 		| ((num_pr & 0xf) << 12)
 		| ((slow & 1) << 11)
@@ -768,6 +854,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
 	debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2);
 }
 
+#ifdef CONFIG_SYS_FSL_DDR4
 /* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */
 static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
 				const memctl_options_t *popts,
@@ -776,8 +863,93 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
 {
 	unsigned short esdmode2 = 0;	/* Extended SDRAM mode 2 */
 	unsigned short esdmode3 = 0;	/* Extended SDRAM mode 3 */
+	int i;
+	unsigned int wr_crc = 0;	/* Disable */
+	unsigned int rtt_wr = 0;	/* Rtt_WR - dynamic ODT off */
+	unsigned int srt = 0;	/* self-refresh temerature, normal range */
+	unsigned int cwl = compute_cas_write_latency() - 9;
+	unsigned int mpr = 0;	/* serial */
+	unsigned int wc_lat;
+	const unsigned int mclk_ps = get_memory_clk_period_ps();
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+	if (popts->rtt_override)
+		rtt_wr = popts->rtt_wr_override_value;
+	else
+		rtt_wr = popts->cs_local_opts[0].odt_rtt_wr;
+
+	if (common_dimm->extended_op_srt)
+		srt = common_dimm->extended_op_srt;
+
+	esdmode2 = (0
+		| ((wr_crc & 0x1) << 12)
+		| ((rtt_wr & 0x3) << 9)
+		| ((srt & 0x3) << 6)
+		| ((cwl & 0x7) << 3));
+
+	if (mclk_ps >= 1250)
+		wc_lat = 0;
+	else if (mclk_ps >= 833)
+		wc_lat = 1;
+	else
+		wc_lat = 2;
+
+	esdmode3 = (0
+		| ((mpr & 0x3) << 11)
+		| ((wc_lat & 0x3) << 9));
+
+	ddr->ddr_sdram_mode_2 = (0
+				 | ((esdmode2 & 0xFFFF) << 16)
+				 | ((esdmode3 & 0xFFFF) << 0)
+				 );
+	debug("FSLDDR: ddr_sdram_mode_2 = 0x%08x\n", ddr->ddr_sdram_mode_2);
+
+	if (unq_mrs_en) {	/* unique mode registers are supported */
+		for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+			if (popts->rtt_override)
+				rtt_wr = popts->rtt_wr_override_value;
+			else
+				rtt_wr = popts->cs_local_opts[i].odt_rtt_wr;
+
+			esdmode2 &= 0xF9FF;	/* clear bit 10, 9 */
+			esdmode2 |= (rtt_wr & 0x3) << 9;
+			switch (i) {
+			case 1:
+				ddr->ddr_sdram_mode_4 = (0
+					| ((esdmode2 & 0xFFFF) << 16)
+					| ((esdmode3 & 0xFFFF) << 0)
+					);
+				break;
+			case 2:
+				ddr->ddr_sdram_mode_6 = (0
+					| ((esdmode2 & 0xFFFF) << 16)
+					| ((esdmode3 & 0xFFFF) << 0)
+					);
+				break;
+			case 3:
+				ddr->ddr_sdram_mode_8 = (0
+					| ((esdmode2 & 0xFFFF) << 16)
+					| ((esdmode3 & 0xFFFF) << 0)
+					);
+				break;
+			}
+		}
+		debug("FSLDDR: ddr_sdram_mode_4 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_4);
+		debug("FSLDDR: ddr_sdram_mode_6 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_6);
+		debug("FSLDDR: ddr_sdram_mode_8 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_8);
+	}
+}
+#elif defined(CONFIG_SYS_FSL_DDR3)
+/* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */
+static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
+				const memctl_options_t *popts,
+				const common_timing_params_t *common_dimm,
+				const unsigned int unq_mrs_en)
+{
+	unsigned short esdmode2 = 0;	/* Extended SDRAM mode 2 */
+	unsigned short esdmode3 = 0;	/* Extended SDRAM mode 3 */
 	int i;
 	unsigned int rtt_wr = 0;	/* Rtt_WR - dynamic ODT off */
 	unsigned int srt = 0;	/* self-refresh temerature, normal range */
@@ -799,14 +971,12 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
 		| ((asr & 0x1) << 6)
 		| ((cwl & 0x7) << 3)
 		| ((pasr & 0x7) << 0));
-#endif
 	ddr->ddr_sdram_mode_2 = (0
 				 | ((esdmode2 & 0xFFFF) << 16)
 				 | ((esdmode3 & 0xFFFF) << 0)
 				 );
 	debug("FSLDDR: ddr_sdram_mode_2 = 0x%08x\n", ddr->ddr_sdram_mode_2);
 
-#ifdef CONFIG_SYS_FSL_DDR3
 	if (unq_mrs_en) {	/* unique mode registers are supported */
 		for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
 			if (popts->rtt_override)
@@ -844,9 +1014,128 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
 		debug("FSLDDR: ddr_sdram_mode_8 = 0x%08x\n",
 			ddr->ddr_sdram_mode_8);
 	}
+}
+
+#else /* for DDR2 and DDR1 */
+/* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */
+static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr,
+				const memctl_options_t *popts,
+				const common_timing_params_t *common_dimm,
+				const unsigned int unq_mrs_en)
+{
+	unsigned short esdmode2 = 0;	/* Extended SDRAM mode 2 */
+	unsigned short esdmode3 = 0;	/* Extended SDRAM mode 3 */
+
+	ddr->ddr_sdram_mode_2 = (0
+				 | ((esdmode2 & 0xFFFF) << 16)
+				 | ((esdmode3 & 0xFFFF) << 0)
+				 );
+	debug("FSLDDR: ddr_sdram_mode_2 = 0x%08x\n", ddr->ddr_sdram_mode_2);
+}
 #endif
+
+#ifdef CONFIG_SYS_FSL_DDR4
+/* DDR SDRAM Mode configuration 9 (DDR_SDRAM_MODE_9) */
+static void set_ddr_sdram_mode_9(fsl_ddr_cfg_regs_t *ddr,
+				const memctl_options_t *popts,
+				const common_timing_params_t *common_dimm,
+				const unsigned int unq_mrs_en)
+{
+	int i;
+	unsigned short esdmode4 = 0;	/* Extended SDRAM mode 4 */
+	unsigned short esdmode5;	/* Extended SDRAM mode 5 */
+
+	esdmode5 = 0x00000400;		/* Data mask enabled */
+
+	ddr->ddr_sdram_mode_9 = (0
+				 | ((esdmode4 & 0xffff) << 16)
+				 | ((esdmode5 & 0xffff) << 0)
+				);
+	debug("FSLDDR: ddr_sdram_mode_9) = 0x%08x\n", ddr->ddr_sdram_mode_9);
+	if (unq_mrs_en) {	/* unique mode registers are supported */
+		for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+			switch (i) {
+			case 1:
+				ddr->ddr_sdram_mode_11 = (0
+					| ((esdmode4 & 0xFFFF) << 16)
+					| ((esdmode5 & 0xFFFF) << 0)
+					);
+				break;
+			case 2:
+				ddr->ddr_sdram_mode_13 = (0
+					| ((esdmode4 & 0xFFFF) << 16)
+					| ((esdmode5 & 0xFFFF) << 0)
+					);
+				break;
+			case 3:
+				ddr->ddr_sdram_mode_15 = (0
+					| ((esdmode4 & 0xFFFF) << 16)
+					| ((esdmode5 & 0xFFFF) << 0)
+					);
+				break;
+			}
+		}
+		debug("FSLDDR: ddr_sdram_mode_11 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_11);
+		debug("FSLDDR: ddr_sdram_mode_13 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_13);
+		debug("FSLDDR: ddr_sdram_mode_15 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_15);
+	}
+}
+
+/* DDR SDRAM Mode configuration 10 (DDR_SDRAM_MODE_10) */
+static void set_ddr_sdram_mode_10(fsl_ddr_cfg_regs_t *ddr,
+				const memctl_options_t *popts,
+				const common_timing_params_t *common_dimm,
+				const unsigned int unq_mrs_en)
+{
+	int i;
+	unsigned short esdmode6 = 0;	/* Extended SDRAM mode 6 */
+	unsigned short esdmode7 = 0;	/* Extended SDRAM mode 7 */
+	unsigned int tccdl_min = picos_to_mclk(common_dimm->tccdl_ps);
+
+	esdmode6 = ((tccdl_min - 4) & 0x7) << 10;
+
+	ddr->ddr_sdram_mode_10 = (0
+				 | ((esdmode6 & 0xffff) << 16)
+				 | ((esdmode7 & 0xffff) << 0)
+				);
+	debug("FSLDDR: ddr_sdram_mode_10) = 0x%08x\n", ddr->ddr_sdram_mode_10);
+	if (unq_mrs_en) {	/* unique mode registers are supported */
+		for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+			switch (i) {
+			case 1:
+				ddr->ddr_sdram_mode_12 = (0
+					| ((esdmode6 & 0xFFFF) << 16)
+					| ((esdmode7 & 0xFFFF) << 0)
+					);
+				break;
+			case 2:
+				ddr->ddr_sdram_mode_14 = (0
+					| ((esdmode6 & 0xFFFF) << 16)
+					| ((esdmode7 & 0xFFFF) << 0)
+					);
+				break;
+			case 3:
+				ddr->ddr_sdram_mode_16 = (0
+					| ((esdmode6 & 0xFFFF) << 16)
+					| ((esdmode7 & 0xFFFF) << 0)
+					);
+				break;
+			}
+		}
+		debug("FSLDDR: ddr_sdram_mode_12 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_12);
+		debug("FSLDDR: ddr_sdram_mode_14 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_14);
+		debug("FSLDDR: ddr_sdram_mode_16 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_16);
+	}
 }
 
+#endif
+
 /* DDR SDRAM Interval Configuration (DDR_SDRAM_INTERVAL) */
 static void set_ddr_sdram_interval(fsl_ddr_cfg_regs_t *ddr,
 			       const memctl_options_t *popts,
@@ -867,7 +1156,7 @@ static void set_ddr_sdram_interval(fsl_ddr_cfg_regs_t *ddr,
 	debug("FSLDDR: ddr_sdram_interval = 0x%08x\n", ddr->ddr_sdram_interval);
 }
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+#ifdef CONFIG_SYS_FSL_DDR4
 /* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */
 static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 			       const memctl_options_t *popts,
@@ -876,6 +1165,177 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 			       unsigned int additive_latency,
 			       const unsigned int unq_mrs_en)
 {
+	int i;
+	unsigned short esdmode;		/* Extended SDRAM mode */
+	unsigned short sdmode;		/* SDRAM mode */
+
+	/* Mode Register - MR1 */
+	unsigned int qoff = 0;		/* Output buffer enable 0=yes, 1=no */
+	unsigned int tdqs_en = 0;	/* TDQS Enable: 0=no, 1=yes */
+	unsigned int rtt;
+	unsigned int wrlvl_en = 0;	/* Write level enable: 0=no, 1=yes */
+	unsigned int al = 0;		/* Posted CAS# additive latency (AL) */
+	unsigned int dic = 0;		/* Output driver impedance, 40ohm */
+	unsigned int dll_en = 1;	/* DLL Enable  1=Enable (Normal),
+						       0=Disable (Test/Debug) */
+
+	/* Mode Register - MR0 */
+	unsigned int wr = 0;	/* Write Recovery */
+	unsigned int dll_rst;	/* DLL Reset */
+	unsigned int mode;	/* Normal=0 or Test=1 */
+	unsigned int caslat = 4;/* CAS# latency, default set as 6 cycles */
+	/* BT: Burst Type (0=Nibble Sequential, 1=Interleaved) */
+	unsigned int bt;
+	unsigned int bl;	/* BL: Burst Length */
+
+	unsigned int wr_mclk;
+	/* DDR4 support WR 10, 12, 14, 16, 18, 20, 24 */
+	static const u8 wr_table[] = {
+		0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6};
+	/* DDR4 support CAS 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 22, 24 */
+	static const u8 cas_latency_table[] = {
+		0, 1, 2, 3, 4, 5, 6, 7, 8, 8,
+		9, 9, 10, 10, 11, 11};
+
+	if (popts->rtt_override)
+		rtt = popts->rtt_override_value;
+	else
+		rtt = popts->cs_local_opts[0].odt_rtt_norm;
+
+	if (additive_latency == (cas_latency - 1))
+		al = 1;
+	if (additive_latency == (cas_latency - 2))
+		al = 2;
+
+	if (popts->quad_rank_present)
+		dic = 1;	/* output driver impedance 240/7 ohm */
+
+	/*
+	 * The esdmode value will also be used for writing
+	 * MR1 during write leveling for DDR3, although the
+	 * bits specifically related to the write leveling
+	 * scheme will be handled automatically by the DDR
+	 * controller. so we set the wrlvl_en = 0 here.
+	 */
+	esdmode = (0
+		| ((qoff & 0x1) << 12)
+		| ((tdqs_en & 0x1) << 11)
+		| ((rtt & 0x7) << 8)
+		| ((wrlvl_en & 0x1) << 7)
+		| ((al & 0x3) << 3)
+		| ((dic & 0x3) << 1)   /* DIC field is split */
+		| ((dll_en & 0x1) << 0)
+		);
+
+	/*
+	 * DLL control for precharge PD
+	 * 0=slow exit DLL off (tXPDLL)
+	 * 1=fast exit DLL on (tXP)
+	 */
+
+	wr_mclk = picos_to_mclk(common_dimm->twr_ps);
+	if (wr_mclk <= 24) {
+		wr = wr_table[wr_mclk - 10];
+	} else {
+		printf("Error: unsupported write recovery for mode register wr_mclk = %d\n",
+		       wr_mclk);
+	}
+
+	dll_rst = 0;	/* dll no reset */
+	mode = 0;	/* normal mode */
+
+	/* look up table to get the cas latency bits */
+	if (cas_latency >= 9 && cas_latency <= 24)
+		caslat = cas_latency_table[cas_latency - 9];
+	else
+		printf("Error: unsupported cas latency for mode register\n");
+
+	bt = 0;	/* Nibble sequential */
+
+	switch (popts->burst_length) {
+	case DDR_BL8:
+		bl = 0;
+		break;
+	case DDR_OTF:
+		bl = 1;
+		break;
+	case DDR_BC4:
+		bl = 2;
+		break;
+	default:
+		printf("Error: invalid burst length of %u specified. ",
+		       popts->burst_length);
+		puts("Defaulting to on-the-fly BC4 or BL8 beats.\n");
+		bl = 1;
+		break;
+	}
+
+	sdmode = (0
+		  | ((wr & 0x7) << 9)
+		  | ((dll_rst & 0x1) << 8)
+		  | ((mode & 0x1) << 7)
+		  | (((caslat >> 1) & 0x7) << 4)
+		  | ((bt & 0x1) << 3)
+		  | ((caslat & 1) << 2)
+		  | ((bl & 0x3) << 0)
+		  );
+
+	ddr->ddr_sdram_mode = (0
+			       | ((esdmode & 0xFFFF) << 16)
+			       | ((sdmode & 0xFFFF) << 0)
+			       );
+
+	debug("FSLDDR: ddr_sdram_mode = 0x%08x\n", ddr->ddr_sdram_mode);
+
+	if (unq_mrs_en) {	/* unique mode registers are supported */
+		for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+			if (popts->rtt_override)
+				rtt = popts->rtt_override_value;
+			else
+				rtt = popts->cs_local_opts[i].odt_rtt_norm;
+
+			esdmode &= 0xF8FF;	/* clear bit 10,9,8 for rtt */
+			esdmode |= (rtt & 0x7) << 8;
+			switch (i) {
+			case 1:
+				ddr->ddr_sdram_mode_3 = (0
+				       | ((esdmode & 0xFFFF) << 16)
+				       | ((sdmode & 0xFFFF) << 0)
+				       );
+				break;
+			case 2:
+				ddr->ddr_sdram_mode_5 = (0
+				       | ((esdmode & 0xFFFF) << 16)
+				       | ((sdmode & 0xFFFF) << 0)
+				       );
+				break;
+			case 3:
+				ddr->ddr_sdram_mode_7 = (0
+				       | ((esdmode & 0xFFFF) << 16)
+				       | ((sdmode & 0xFFFF) << 0)
+				       );
+				break;
+			}
+		}
+		debug("FSLDDR: ddr_sdram_mode_3 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_3);
+		debug("FSLDDR: ddr_sdram_mode_5 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_5);
+		debug("FSLDDR: ddr_sdram_mode_5 = 0x%08x\n",
+		      ddr->ddr_sdram_mode_5);
+	}
+}
+
+#elif defined(CONFIG_SYS_FSL_DDR3)
+/* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */
+static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
+			       const memctl_options_t *popts,
+			       const common_timing_params_t *common_dimm,
+			       unsigned int cas_latency,
+			       unsigned int additive_latency,
+			       const unsigned int unq_mrs_en)
+{
+	int i;
 	unsigned short esdmode;		/* Extended SDRAM mode */
 	unsigned short sdmode;		/* SDRAM mode */
 
@@ -907,9 +1367,6 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 	 */
 	static const u8 wr_table[] = {1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0};
 
-	const unsigned int mclk_ps = get_memory_clk_period_ps();
-	int i;
-
 	if (popts->rtt_override)
 		rtt = popts->rtt_override_value;
 	else
@@ -950,7 +1407,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 	 */
 	dll_on = 1;
 
-	wr_mclk = (common_dimm->twr_ps + mclk_ps - 1) / mclk_ps;
+	wr_mclk = picos_to_mclk(common_dimm->twr_ps);
 	if (wr_mclk <= 16) {
 		wr = wr_table[wr_mclk - 5];
 	} else {
@@ -1109,9 +1566,6 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 	unsigned int bt;
 	unsigned int bl;	/* BL: Burst Length */
 
-#if defined(CONFIG_SYS_FSL_DDR2)
-	const unsigned int mclk_ps = get_memory_clk_period_ps();
-#endif
 	dqs_en = !popts->dqs_config;
 	rtt = fsl_ddr_get_rtt();
 
@@ -1141,7 +1595,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr,
 #if defined(CONFIG_SYS_FSL_DDR1)
 	wr = 0;       /* Historical */
 #elif defined(CONFIG_SYS_FSL_DDR2)
-	wr = (common_dimm->twr_ps + mclk_ps - 1) / mclk_ps - 1;
+	wr = picos_to_mclk(common_dimm->twr_ps);
 #endif
 	dll_res = 0;
 	mode = 0;
@@ -1255,7 +1709,7 @@ static void set_timing_cfg_4(fsl_ddr_cfg_regs_t *ddr,
 	unsigned int wwt = 0; /* Write-to-write turnaround for same CS */
 	unsigned int dll_lock = 0; /* DDR SDRAM DLL Lock Time */
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	if (popts->burst_length == DDR_BL8) {
 		/* We set BL/2 for fixed BL8 */
 		rrt = 0;	/* BL/2 clocks */
@@ -1265,6 +1719,11 @@ static void set_timing_cfg_4(fsl_ddr_cfg_regs_t *ddr,
 		rrt = 2;	/* BL/2 + 2 clocks */
 		wwt = 2;	/* BL/2 + 2 clocks */
 	}
+#endif
+
+#ifdef CONFIG_SYS_FSL_DDR4
+	dll_lock = 2;	/* tDLLK = 1024 clocks */
+#elif defined(CONFIG_SYS_FSL_DDR3)
 	dll_lock = 1;	/* tDLLK = 512 clocks from spec */
 #endif
 	ddr->timing_cfg_4 = (0
@@ -1285,9 +1744,12 @@ static void set_timing_cfg_5(fsl_ddr_cfg_regs_t *ddr, unsigned int cas_latency)
 	unsigned int wodt_on = 0;	/* Write to ODT on */
 	unsigned int wodt_off = 0;	/* Write to ODT off */
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
+	unsigned int wr_lat = ((ddr->timing_cfg_2 & 0x00780000) >> 19) +
+			      ((ddr->timing_cfg_2 & 0x00040000) >> 14);
 	/* rodt_on = timing_cfg_1[caslat] - timing_cfg_2[wrlat] + 1 */
-	rodt_on = cas_latency - ((ddr->timing_cfg_2 & 0x00780000) >> 19) + 1;
+	if (cas_latency >= wr_lat)
+		rodt_on = cas_latency - wr_lat + 1;
 	rodt_off = 4;	/*  4 clocks */
 	wodt_on = 1;	/*  1 clocks */
 	wodt_off = 4;	/*  4 clocks */
@@ -1302,6 +1764,164 @@ static void set_timing_cfg_5(fsl_ddr_cfg_regs_t *ddr, unsigned int cas_latency)
 	debug("FSLDDR: timing_cfg_5 = 0x%08x\n", ddr->timing_cfg_5);
 }
 
+#ifdef CONFIG_SYS_FSL_DDR4
+static void set_timing_cfg_6(fsl_ddr_cfg_regs_t *ddr)
+{
+	unsigned int hs_caslat = 0;
+	unsigned int hs_wrlat = 0;
+	unsigned int hs_wrrec = 0;
+	unsigned int hs_clkadj = 0;
+	unsigned int hs_wrlvl_start = 0;
+
+	ddr->timing_cfg_6 = (0
+			     | ((hs_caslat & 0x1f) << 24)
+			     | ((hs_wrlat & 0x1f) << 19)
+			     | ((hs_wrrec & 0x1f) << 12)
+			     | ((hs_clkadj & 0x1f) << 6)
+			     | ((hs_wrlvl_start & 0x1f) << 0)
+			    );
+	debug("FSLDDR: timing_cfg_6 = 0x%08x\n", ddr->timing_cfg_6);
+}
+
+static void set_timing_cfg_7(fsl_ddr_cfg_regs_t *ddr,
+			const common_timing_params_t *common_dimm)
+{
+	unsigned int txpr, tcksre, tcksrx;
+	unsigned int cke_rst, cksre, cksrx, par_lat, cs_to_cmd;
+
+	txpr = max(5, picos_to_mclk(common_dimm->trfc1_ps + 10000));
+	tcksre = max(5, picos_to_mclk(10000));
+	tcksrx = max(5, picos_to_mclk(10000));
+	par_lat = 0;
+	cs_to_cmd = 0;
+
+	if (txpr <= 200)
+		cke_rst = 0;
+	else if (txpr <= 256)
+		cke_rst = 1;
+	else if (txpr <= 512)
+		cke_rst = 2;
+	else
+		cke_rst = 3;
+
+	if (tcksre <= 19)
+		cksre = tcksre - 5;
+	else
+		cksre = 15;
+
+	if (tcksrx <= 19)
+		cksrx = tcksrx - 5;
+	else
+		cksrx = 15;
+
+	ddr->timing_cfg_7 = (0
+			     | ((cke_rst & 0x3) << 28)
+			     | ((cksre & 0xf) << 24)
+			     | ((cksrx & 0xf) << 20)
+			     | ((par_lat & 0xf) << 16)
+			     | ((cs_to_cmd & 0xf) << 4)
+			    );
+	debug("FSLDDR: timing_cfg_7 = 0x%08x\n", ddr->timing_cfg_7);
+}
+
+static void set_timing_cfg_8(fsl_ddr_cfg_regs_t *ddr,
+			     const memctl_options_t *popts,
+			     const common_timing_params_t *common_dimm,
+			     unsigned int cas_latency)
+{
+	unsigned int rwt_bg, wrt_bg, rrt_bg, wwt_bg;
+	unsigned int acttoact_bg, wrtord_bg, pre_all_rec;
+	unsigned int tccdl = picos_to_mclk(common_dimm->tccdl_ps);
+	unsigned int wr_lat = ((ddr->timing_cfg_2 & 0x00780000) >> 19) +
+			      ((ddr->timing_cfg_2 & 0x00040000) >> 14);
+
+	rwt_bg = cas_latency + 2 + 4 - wr_lat;
+	if (rwt_bg < tccdl)
+		rwt_bg = tccdl - rwt_bg;
+	else
+		rwt_bg = 0;
+
+	wrt_bg = wr_lat + 4 + 1 - cas_latency;
+	if (wrt_bg < tccdl)
+		wrt_bg = tccdl - wrt_bg;
+	else
+		wrt_bg = 0;
+
+	if (popts->burst_length == DDR_BL8) {
+		rrt_bg = tccdl - 4;
+		wwt_bg = tccdl - 4;
+	} else {
+		rrt_bg = tccdl - 2;
+		wwt_bg = tccdl - 4;
+	}
+
+	acttoact_bg = picos_to_mclk(common_dimm->trrdl_ps);
+	wrtord_bg = max(4, picos_to_mclk(7500));
+	pre_all_rec = 0;
+
+	ddr->timing_cfg_8 = (0
+			     | ((rwt_bg & 0xf) << 28)
+			     | ((wrt_bg & 0xf) << 24)
+			     | ((rrt_bg & 0xf) << 20)
+			     | ((wwt_bg & 0xf) << 16)
+			     | ((acttoact_bg & 0xf) << 12)
+			     | ((wrtord_bg & 0xf) << 8)
+			     | ((pre_all_rec & 0x1f) << 0)
+			    );
+
+	debug("FSLDDR: timing_cfg_8 = 0x%08x\n", ddr->timing_cfg_8);
+}
+
+static void set_timing_cfg_9(fsl_ddr_cfg_regs_t *ddr)
+{
+	ddr->timing_cfg_9 = 0;
+	debug("FSLDDR: timing_cfg_9 = 0x%08x\n", ddr->timing_cfg_9);
+}
+
+static void set_ddr_dq_mapping(fsl_ddr_cfg_regs_t *ddr,
+			       const dimm_params_t *dimm_params)
+{
+	ddr->dq_map_0 = ((dimm_params->dq_mapping[0] & 0x3F) << 26) |
+			((dimm_params->dq_mapping[1] & 0x3F) << 20) |
+			((dimm_params->dq_mapping[2] & 0x3F) << 14) |
+			((dimm_params->dq_mapping[3] & 0x3F) << 8) |
+			((dimm_params->dq_mapping[4] & 0x3F) << 2);
+
+	ddr->dq_map_1 = ((dimm_params->dq_mapping[5] & 0x3F) << 26) |
+			((dimm_params->dq_mapping[6] & 0x3F) << 20) |
+			((dimm_params->dq_mapping[7] & 0x3F) << 14) |
+			((dimm_params->dq_mapping[10] & 0x3F) << 8) |
+			((dimm_params->dq_mapping[11] & 0x3F) << 2);
+
+	ddr->dq_map_2 = ((dimm_params->dq_mapping[12] & 0x3F) << 26) |
+			((dimm_params->dq_mapping[13] & 0x3F) << 20) |
+			((dimm_params->dq_mapping[14] & 0x3F) << 14) |
+			((dimm_params->dq_mapping[15] & 0x3F) << 8) |
+			((dimm_params->dq_mapping[16] & 0x3F) << 2);
+
+	ddr->dq_map_3 = ((dimm_params->dq_mapping[17] & 0x3F) << 26) |
+			((dimm_params->dq_mapping[8] & 0x3F) << 20) |
+			((dimm_params->dq_mapping[9] & 0x3F) << 14) |
+			dimm_params->dq_mapping_ors;
+
+	debug("FSLDDR: dq_map_0 = 0x%08x\n", ddr->dq_map_0);
+	debug("FSLDDR: dq_map_1 = 0x%08x\n", ddr->dq_map_1);
+	debug("FSLDDR: dq_map_2 = 0x%08x\n", ddr->dq_map_2);
+	debug("FSLDDR: dq_map_3 = 0x%08x\n", ddr->dq_map_3);
+}
+static void set_ddr_sdram_cfg_3(fsl_ddr_cfg_regs_t *ddr,
+			       const memctl_options_t *popts)
+{
+	int rd_pre;
+
+	rd_pre = popts->quad_rank_present ? 1 : 0;
+
+	ddr->ddr_sdram_cfg_3 = (rd_pre & 0x1) << 16;
+
+	debug("FSLDDR: ddr_sdram_cfg_3 = 0x%08x\n", ddr->ddr_sdram_cfg_3);
+}
+#endif	/* CONFIG_SYS_FSL_DDR4 */
+
 /* DDR ZQ Calibration Control (DDR_ZQ_CNTL) */
 static void set_ddr_zq_cntl(fsl_ddr_cfg_regs_t *ddr, unsigned int zq_en)
 {
@@ -1310,11 +1930,21 @@ static void set_ddr_zq_cntl(fsl_ddr_cfg_regs_t *ddr, unsigned int zq_en)
 	unsigned int zqoper = 0;
 	/* Normal Operation Short Calibration Time (tZQCS) */
 	unsigned int zqcs = 0;
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int zqcs_init;
+#endif
 
 	if (zq_en) {
+#ifdef CONFIG_SYS_FSL_DDR4
+		zqinit = 10;	/* 1024 clocks */
+		zqoper = 9;	/* 512 clocks */
+		zqcs = 7;	/* 128 clocks */
+		zqcs_init = 5;	/* 1024 refresh sequences */
+#else
 		zqinit = 9;	/* 512 clocks */
 		zqoper = 8;	/* 256 clocks */
 		zqcs = 6;	/* 64 clocks */
+#endif
 	}
 
 	ddr->ddr_zq_cntl = (0
@@ -1322,6 +1952,9 @@ static void set_ddr_zq_cntl(fsl_ddr_cfg_regs_t *ddr, unsigned int zq_en)
 			    | ((zqinit & 0xF) << 24)
 			    | ((zqoper & 0xF) << 16)
 			    | ((zqcs & 0xF) << 8)
+#ifdef CONFIG_SYS_FSL_DDR4
+			    | ((zqcs_init & 0xF) << 0)
+#endif
 			    );
 	debug("FSLDDR: zq_cntl = 0x%08x\n", ddr->ddr_zq_cntl);
 }
@@ -1478,7 +2111,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
 	 */
 	cas_latency = (popts->cas_latency_override)
 		? popts->cas_latency_override_value
-		: common_dimm->lowest_common_SPD_caslat;
+		: common_dimm->lowest_common_spd_caslat;
 
 	additive_latency = (popts->additive_latency_override)
 		? popts->additive_latency_override_value
@@ -1639,6 +2272,10 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
 	set_ddr_sdram_mode(ddr, popts, common_dimm,
 				cas_latency, additive_latency, unq_mrs_en);
 	set_ddr_sdram_mode_2(ddr, popts, common_dimm, unq_mrs_en);
+#ifdef CONFIG_SYS_FSL_DDR4
+	set_ddr_sdram_mode_9(ddr, popts, common_dimm, unq_mrs_en);
+	set_ddr_sdram_mode_10(ddr, popts, common_dimm, unq_mrs_en);
+#endif
 	set_ddr_sdram_interval(ddr, popts, common_dimm);
 	set_ddr_data_init(ddr);
 	set_ddr_sdram_clk_cntl(ddr, popts);
@@ -1646,6 +2283,14 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
 	set_ddr_init_ext_addr(ddr);
 	set_timing_cfg_4(ddr, popts);
 	set_timing_cfg_5(ddr, cas_latency);
+#ifdef CONFIG_SYS_FSL_DDR4
+	set_ddr_sdram_cfg_3(ddr, popts);
+	set_timing_cfg_6(ddr);
+	set_timing_cfg_7(ddr, common_dimm);
+	set_timing_cfg_8(ddr, popts, common_dimm, cas_latency);
+	set_timing_cfg_9(ddr);
+	set_ddr_dq_mapping(ddr, dimm_params);
+#endif
 
 	set_ddr_zq_cntl(ddr, zq_en);
 	set_ddr_wrlvl_cntl(ddr, wrlvl_en, popts);
diff --git a/drivers/ddr/fsl/ddr4_dimm_params.c b/drivers/ddr/fsl/ddr4_dimm_params.c
new file mode 100644
index 0000000..4745b7f
--- /dev/null
+++ b/drivers/ddr/fsl/ddr4_dimm_params.c
@@ -0,0 +1,300 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * calculate the organization and timing parameter
+ * from ddr3 spd, please refer to the spec
+ * JEDEC standard No.21-C 4_01_02_12R23A.pdf
+ *
+ *
+ */
+
+#include <common.h>
+#include <fsl_ddr_sdram.h>
+
+#include <fsl_ddr.h>
+
+/*
+ * Calculate the Density of each Physical Rank.
+ * Returned size is in bytes.
+ *
+ * Total DIMM size =
+ * sdram capacity(bit) / 8 * primary bus width / sdram width
+ *                     * Logical Ranks per DIMM
+ *
+ * where: sdram capacity  = spd byte4[3:0]
+ *        primary bus width = spd byte13[2:0]
+ *        sdram width = spd byte12[2:0]
+ *        Logical Ranks per DIMM = spd byte12[5:3] for SDP, DDP, QDP
+ *                                 spd byte12{5:3] * spd byte6[6:4] for 3DS
+ *
+ * To simplify each rank size = total DIMM size / Number of Package Ranks
+ * where Number of Package Ranks = spd byte12[5:3]
+ *
+ * SPD byte4 - sdram density and banks
+ *	bit[3:0]	size(bit)	size(byte)
+ *	0000		256Mb		32MB
+ *	0001		512Mb		64MB
+ *	0010		1Gb		128MB
+ *	0011		2Gb		256MB
+ *	0100		4Gb		512MB
+ *	0101		8Gb		1GB
+ *	0110		16Gb		2GB
+ *      0111		32Gb		4GB
+ *
+ * SPD byte13 - module memory bus width
+ *	bit[2:0]	primary bus width
+ *	000		8bits
+ *	001		16bits
+ *	010		32bits
+ *	011		64bits
+ *
+ * SPD byte12 - module organization
+ *	bit[2:0]	sdram device width
+ *	000		4bits
+ *	001		8bits
+ *	010		16bits
+ *	011		32bits
+ *
+ * SPD byte12 - module organization
+ *	bit[5:3]	number of package ranks per DIMM
+ *	000		1
+ *	001		2
+ *	010		3
+ *	011		4
+ *
+ * SPD byte6 - SDRAM package type
+ *	bit[6:4]	Die count
+ *	000		1
+ *	001		2
+ *	010		3
+ *	011		4
+ *	100		5
+ *	101		6
+ *	110		7
+ *	111		8
+ *
+ * SPD byte6 - SRAM package type
+ *	bit[1:0]	Signal loading
+ *	00		Not specified
+ *	01		Multi load stack
+ *	10		Sigle load stack (3DS)
+ *	11		Reserved
+ */
+static unsigned long long
+compute_ranksize(const struct ddr4_spd_eeprom_s *spd)
+{
+	unsigned long long bsize;
+
+	int nbit_sdram_cap_bsize = 0;
+	int nbit_primary_bus_width = 0;
+	int nbit_sdram_width = 0;
+	int die_count = 0;
+	bool package_3ds;
+
+	if ((spd->density_banks & 0xf) <= 7)
+		nbit_sdram_cap_bsize = (spd->density_banks & 0xf) + 28;
+	if ((spd->bus_width & 0x7) < 4)
+		nbit_primary_bus_width = (spd->bus_width & 0x7) + 3;
+	if ((spd->organization & 0x7) < 4)
+		nbit_sdram_width = (spd->organization & 0x7) + 2;
+	package_3ds = (spd->package_type & 0x3) == 0x2;
+	if (package_3ds)
+		die_count = (spd->package_type >> 4) & 0x7;
+
+	bsize = 1ULL << (nbit_sdram_cap_bsize - 3 +
+			 nbit_primary_bus_width - nbit_sdram_width +
+			 die_count);
+
+	debug("DDR: DDR III rank density = 0x%16llx\n", bsize);
+
+	return bsize;
+}
+
+#define spd_to_ps(mtb, ftb)	\
+	(mtb * pdimm->mtb_ps + (ftb * pdimm->ftb_10th_ps) / 10)
+/*
+ * ddr_compute_dimm_parameters for DDR3 SPD
+ *
+ * Compute DIMM parameters based upon the SPD information in spd.
+ * Writes the results to the dimm_params_t structure pointed by pdimm.
+ *
+ */
+unsigned int
+ddr_compute_dimm_parameters(const generic_spd_eeprom_t *spd,
+			    dimm_params_t *pdimm,
+			    unsigned int dimm_number)
+{
+	unsigned int retval;
+	int i;
+
+	if (spd->mem_type) {
+		if (spd->mem_type != SPD_MEMTYPE_DDR4) {
+			printf("DIMM %u: is not a DDR4 SPD.\n", dimm_number);
+			return 1;
+		}
+	} else {
+		memset(pdimm, 0, sizeof(dimm_params_t));
+		return 1;
+	}
+
+	retval = ddr4_spd_check(spd);
+	if (retval) {
+		printf("DIMM %u: failed checksum\n", dimm_number);
+		return 2;
+	}
+
+	/*
+	 * The part name in ASCII in the SPD EEPROM is not null terminated.
+	 * Guarantee null termination here by presetting all bytes to 0
+	 * and copying the part name in ASCII from the SPD onto it
+	 */
+	memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
+	if ((spd->info_size_crc & 0xF) > 2)
+		memcpy(pdimm->mpart, spd->mpart, sizeof(pdimm->mpart) - 1);
+
+	/* DIMM organization parameters */
+	pdimm->n_ranks = ((spd->organization >> 3) & 0x7) + 1;
+	pdimm->rank_density = compute_ranksize(spd);
+	pdimm->capacity = pdimm->n_ranks * pdimm->rank_density;
+	pdimm->primary_sdram_width = 1 << (3 + (spd->bus_width & 0x7));
+	if ((spd->bus_width >> 3) & 0x3)
+		pdimm->ec_sdram_width = 8;
+	else
+		pdimm->ec_sdram_width = 0;
+	pdimm->data_width = pdimm->primary_sdram_width
+			  + pdimm->ec_sdram_width;
+	pdimm->device_width = 1 << ((spd->organization & 0x7) + 2);
+
+	/* These are the types defined by the JEDEC DDR3 SPD spec */
+	pdimm->mirrored_dimm = 0;
+	pdimm->registered_dimm = 0;
+	switch (spd->module_type & DDR3_SPD_MODULETYPE_MASK) {
+	case DDR3_SPD_MODULETYPE_RDIMM:
+		/* Registered/buffered DIMMs */
+		pdimm->registered_dimm = 1;
+		break;
+
+	case DDR3_SPD_MODULETYPE_UDIMM:
+	case DDR3_SPD_MODULETYPE_SO_DIMM:
+		/* Unbuffered DIMMs */
+		if (spd->mod_section.unbuffered.addr_mapping & 0x1)
+			pdimm->mirrored_dimm = 1;
+		break;
+
+	default:
+		printf("unknown module_type 0x%02X\n", spd->module_type);
+		return 1;
+	}
+
+	/* SDRAM device parameters */
+	pdimm->n_row_addr = ((spd->addressing >> 3) & 0x7) + 12;
+	pdimm->n_col_addr = (spd->addressing & 0x7) + 9;
+	pdimm->bank_addr_bits = (spd->density_banks >> 4) & 0x3;
+	pdimm->bank_group_bits = (spd->density_banks >> 6) & 0x3;
+
+	/*
+	 * The SPD spec has not the ECC bit,
+	 * We consider the DIMM as ECC capability
+	 * when the extension bus exist
+	 */
+	if (pdimm->ec_sdram_width)
+		pdimm->edc_config = 0x02;
+	else
+		pdimm->edc_config = 0x00;
+
+	/*
+	 * The SPD spec has not the burst length byte
+	 * but DDR4 spec has nature BL8 and BC4,
+	 * BL8 -bit3, BC4 -bit2
+	 */
+	pdimm->burst_lengths_bitmask = 0x0c;
+	pdimm->row_density = __ilog2(pdimm->rank_density);
+
+	/* MTB - medium timebase
+	 * The MTB in the SPD spec is 125ps,
+	 *
+	 * FTB - fine timebase
+	 * use 1/10th of ps as our unit to avoid floating point
+	 * eg, 10 for 1ps, 25 for 2.5ps, 50 for 5ps
+	 */
+	if ((spd->timebases & 0xf) == 0x0) {
+		pdimm->mtb_ps = 125;
+		pdimm->ftb_10th_ps = 10;
+
+	} else {
+		printf("Unknown Timebases\n");
+	}
+
+	/* sdram minimum cycle time */
+	pdimm->tckmin_x_ps = spd_to_ps(spd->tck_min, spd->fine_tck_min);
+
+	/* sdram max cycle time */
+	pdimm->tckmax_ps = spd_to_ps(spd->tck_max, spd->fine_tck_max);
+
+	/*
+	 * CAS latency supported
+	 * bit0 - CL7
+	 * bit4 - CL11
+	 * bit8 - CL15
+	 * bit12- CL19
+	 * bit16- CL23
+	 */
+	pdimm->caslat_x  = (spd->caslat_b1 << 7)	|
+			   (spd->caslat_b2 << 15)	|
+			   (spd->caslat_b3 << 23);
+
+	BUG_ON(spd->caslat_b4 != 0);
+
+	/*
+	 * min CAS latency time
+	 */
+	pdimm->taa_ps = spd_to_ps(spd->taa_min, spd->fine_taa_min);
+
+	/*
+	 * min RAS to CAS delay time
+	 */
+	pdimm->trcd_ps = spd_to_ps(spd->trcd_min, spd->fine_trcd_min);
+
+	/*
+	 * Min Row Precharge Delay Time
+	 */
+	pdimm->trp_ps = spd_to_ps(spd->trp_min, spd->fine_trp_min);
+
+	/* min active to precharge delay time */
+	pdimm->tras_ps = (((spd->tras_trc_ext & 0xf) << 8) +
+			  spd->tras_min_lsb) * pdimm->mtb_ps;
+
+	/* min active to actice/refresh delay time */
+	pdimm->trc_ps = spd_to_ps((((spd->tras_trc_ext & 0xf0) << 4) +
+				   spd->trc_min_lsb), spd->fine_trc_min);
+	/* Min Refresh Recovery Delay Time */
+	pdimm->trfc1_ps = ((spd->trfc1_min_msb << 8) | (spd->trfc1_min_lsb)) *
+		       pdimm->mtb_ps;
+	pdimm->trfc2_ps = ((spd->trfc2_min_msb << 8) | (spd->trfc2_min_lsb)) *
+		       pdimm->mtb_ps;
+	pdimm->trfc4_ps = ((spd->trfc4_min_msb << 8) | (spd->trfc4_min_lsb)) *
+			pdimm->mtb_ps;
+	/* min four active window delay time */
+	pdimm->tfaw_ps = (((spd->tfaw_msb & 0xf) << 8) | spd->tfaw_min) *
+			pdimm->mtb_ps;
+
+	/* min row active to row active delay time, different bank group */
+	pdimm->trrds_ps = spd_to_ps(spd->trrds_min, spd->fine_trrds_min);
+	/* min row active to row active delay time, same bank group */
+	pdimm->trrdl_ps = spd_to_ps(spd->trrdl_min, spd->fine_trrdl_min);
+	/* min CAS to CAS Delay Time (tCCD_Lmin), same bank group */
+	pdimm->tccdl_ps = spd_to_ps(spd->tccdl_min, spd->fine_tccdl_min);
+
+	/*
+	 * Average periodic refresh interval
+	 * tREFI = 7.8 us at normal temperature range
+	 */
+	pdimm->refresh_rate_ps = 7800000;
+
+	for (i = 0; i < 18; i++)
+		pdimm->dq_mapping[i] = spd->mapping[i];
+
+	pdimm->dq_mapping_ors = ((spd->mapping[0] >> 6) & 0x3) == 0 ? 1 : 0;
+
+	return 0;
+}
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
new file mode 100644
index 0000000..7cd878a
--- /dev/null
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -0,0 +1,234 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <fsl_ddr_sdram.h>
+#include <asm/processor.h>
+#include <fsl_ddr.h>
+
+#if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
+#error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
+#endif
+
+/*
+ * regs has the to-be-set values for DDR controller registers
+ * ctrl_num is the DDR controller number
+ * step: 0 goes through the initialization in one pass
+ *       1 sets registers and returns before enabling controller
+ *       2 resumes from step 1 and continues to initialize
+ * Dividing the initialization to two steps to deassert DDR reset signal
+ * to comply with JEDEC specs for RDIMMs.
+ */
+void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
+			     unsigned int ctrl_num, int step)
+{
+	unsigned int i, bus_width;
+	struct ccsr_ddr __iomem *ddr;
+	u32 temp_sdram_cfg;
+	u32 total_gb_size_per_controller;
+	int timeout;
+
+	switch (ctrl_num) {
+	case 0:
+		ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+		break;
+#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1)
+	case 1:
+		ddr = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
+		break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2)
+	case 2:
+		ddr = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
+		break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3)
+	case 3:
+		ddr = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
+		break;
+#endif
+	default:
+		printf("%s unexpected ctrl_num = %u\n", __func__, ctrl_num);
+		return;
+	}
+
+	if (step == 2)
+		goto step2;
+
+	if (regs->ddr_eor)
+		ddr_out32(&ddr->eor, regs->ddr_eor);
+
+	ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
+
+	for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+		if (i == 0) {
+			ddr_out32(&ddr->cs0_bnds, regs->cs[i].bnds);
+			ddr_out32(&ddr->cs0_config, regs->cs[i].config);
+			ddr_out32(&ddr->cs0_config_2, regs->cs[i].config_2);
+
+		} else if (i == 1) {
+			ddr_out32(&ddr->cs1_bnds, regs->cs[i].bnds);
+			ddr_out32(&ddr->cs1_config, regs->cs[i].config);
+			ddr_out32(&ddr->cs1_config_2, regs->cs[i].config_2);
+
+		} else if (i == 2) {
+			ddr_out32(&ddr->cs2_bnds, regs->cs[i].bnds);
+			ddr_out32(&ddr->cs2_config, regs->cs[i].config);
+			ddr_out32(&ddr->cs2_config_2, regs->cs[i].config_2);
+
+		} else if (i == 3) {
+			ddr_out32(&ddr->cs3_bnds, regs->cs[i].bnds);
+			ddr_out32(&ddr->cs3_config, regs->cs[i].config);
+			ddr_out32(&ddr->cs3_config_2, regs->cs[i].config_2);
+		}
+	}
+
+	ddr_out32(&ddr->timing_cfg_3, regs->timing_cfg_3);
+	ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0);
+	ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1);
+	ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2);
+	ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4);
+	ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5);
+	ddr_out32(&ddr->timing_cfg_6, regs->timing_cfg_6);
+	ddr_out32(&ddr->timing_cfg_7, regs->timing_cfg_7);
+	ddr_out32(&ddr->timing_cfg_8, regs->timing_cfg_8);
+	ddr_out32(&ddr->timing_cfg_9, regs->timing_cfg_9);
+	ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
+	ddr_out32(&ddr->dq_map_0, regs->dq_map_0);
+	ddr_out32(&ddr->dq_map_1, regs->dq_map_1);
+	ddr_out32(&ddr->dq_map_2, regs->dq_map_2);
+	ddr_out32(&ddr->dq_map_3, regs->dq_map_3);
+	ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+	ddr_out32(&ddr->sdram_cfg_3, regs->ddr_sdram_cfg_3);
+	ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode);
+	ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
+	ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
+	ddr_out32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4);
+	ddr_out32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5);
+	ddr_out32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6);
+	ddr_out32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7);
+	ddr_out32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8);
+	ddr_out32(&ddr->sdram_mode_9, regs->ddr_sdram_mode_9);
+	ddr_out32(&ddr->sdram_mode_10, regs->ddr_sdram_mode_10);
+	ddr_out32(&ddr->sdram_mode_11, regs->ddr_sdram_mode_11);
+	ddr_out32(&ddr->sdram_mode_12, regs->ddr_sdram_mode_12);
+	ddr_out32(&ddr->sdram_mode_13, regs->ddr_sdram_mode_13);
+	ddr_out32(&ddr->sdram_mode_14, regs->ddr_sdram_mode_14);
+	ddr_out32(&ddr->sdram_mode_15, regs->ddr_sdram_mode_15);
+	ddr_out32(&ddr->sdram_mode_16, regs->ddr_sdram_mode_16);
+	ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl);
+	ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval);
+	ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init);
+	ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
+	ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+	ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
+#ifndef CONFIG_SYS_FSL_DDR_EMU
+	/*
+	 * Skip these two registers if running on emulator
+	 * because emulator doesn't have skew between bytes.
+	 */
+
+	if (regs->ddr_wrlvl_cntl_2)
+		ddr_out32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2);
+	if (regs->ddr_wrlvl_cntl_3)
+		ddr_out32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3);
+#endif
+
+	ddr_out32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr);
+	ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
+	ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
+	ddr_out32(&ddr->ddr_sdram_rcw_3, regs->ddr_sdram_rcw_3);
+	ddr_out32(&ddr->ddr_sdram_rcw_4, regs->ddr_sdram_rcw_4);
+	ddr_out32(&ddr->ddr_sdram_rcw_5, regs->ddr_sdram_rcw_5);
+	ddr_out32(&ddr->ddr_sdram_rcw_6, regs->ddr_sdram_rcw_6);
+	ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
+	ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+	ddr_out32(&ddr->err_disable, regs->err_disable);
+	ddr_out32(&ddr->err_int_en, regs->err_int_en);
+	for (i = 0; i < 32; i++) {
+		if (regs->debug[i]) {
+			debug("Write to debug_%d as %08x\n",
+			      i+1, regs->debug[i]);
+			ddr_out32(&ddr->debug[i], regs->debug[i]);
+		}
+	}
+
+	/*
+	 * For RDIMMs, JEDEC spec requires clocks to be stable before reset is
+	 * deasserted. Clocks start when any chip select is enabled and clock
+	 * control register is set. Because all DDR components are connected to
+	 * one reset signal, this needs to be done in two steps. Step 1 is to
+	 * get the clocks started. Step 2 resumes after reset signal is
+	 * deasserted.
+	 */
+	if (step == 1) {
+		udelay(200);
+		return;
+	}
+
+step2:
+	/* Set, but do not enable the memory */
+	temp_sdram_cfg = regs->ddr_sdram_cfg;
+	temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN);
+	ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg);
+
+	/*
+	 * 500 painful micro-seconds must elapse between
+	 * the DDR clock setup and the DDR config enable.
+	 * DDR2 need 200 us, and DDR3 need 500 us from spec,
+	 * we choose the max, that is 500 us for all of case.
+	 */
+	udelay(500);
+	asm volatile("sync;isync");
+
+	/* Let the controller go */
+	temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
+	ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
+	asm volatile("sync;isync");
+
+	total_gb_size_per_controller = 0;
+	for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+		if (!(regs->cs[i].config & 0x80000000))
+			continue;
+		total_gb_size_per_controller += 1 << (
+			((regs->cs[i].config >> 14) & 0x3) + 2 +
+			((regs->cs[i].config >> 8) & 0x7) + 12 +
+			((regs->cs[i].config >> 4) & 0x3) + 0 +
+			((regs->cs[i].config >> 0) & 0x7) + 8 +
+			3 - ((regs->ddr_sdram_cfg >> 19) & 0x3) -
+			26);			/* minus 26 (count of 64M) */
+	}
+	if (fsl_ddr_get_intl3r() & 0x80000000)	/* 3-way interleaving */
+		total_gb_size_per_controller *= 3;
+	else if (regs->cs[0].config & 0x20000000) /* 2-way interleaving */
+		total_gb_size_per_controller <<= 1;
+	/*
+	 * total memory / bus width = transactions needed
+	 * transactions needed / data rate = seconds
+	 * to add plenty of buffer, double the time
+	 * For example, 2GB on 666MT/s 64-bit bus takes about 402ms
+	 * Let's wait for 800ms
+	 */
+	bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK)
+			>> SDRAM_CFG_DBW_SHIFT);
+	timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 /
+		(get_ddr_freq(0) >> 20)) << 2;
+	total_gb_size_per_controller >>= 4;	/* shift down to gb size */
+	debug("total %d GB\n", total_gb_size_per_controller);
+	debug("Need to wait up to %d * 10ms\n", timeout);
+
+	/* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done.  */
+	while ((ddr_in32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) &&
+		(timeout >= 0)) {
+		udelay(10000);		/* throttle polling rate */
+		timeout--;
+	}
+
+	if (timeout <= 0)
+		printf("Waiting for D_INIT timeout. Memory may not work.\n");
+
+}
diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c
index ebf3ed6..cfe1e1f 100644
--- a/drivers/ddr/fsl/interactive.c
+++ b/drivers/ddr/fsl/interactive.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2012 Freescale Semiconductor, Inc.
+ * Copyright 2010-2014 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -153,25 +153,38 @@ static void lowest_common_dimm_parameters_edit(fsl_ddr_info_t *pinfo,
 	static const struct options_string options[] = {
 		COMMON_TIMING(tckmin_x_ps),
 		COMMON_TIMING(tckmax_ps),
-		COMMON_TIMING(tckmax_max_ps),
+		COMMON_TIMING(taamin_ps),
 		COMMON_TIMING(trcd_ps),
 		COMMON_TIMING(trp_ps),
 		COMMON_TIMING(tras_ps),
-		COMMON_TIMING(twr_ps),
+
+#ifdef CONFIG_SYS_FSL_DDR4
+		COMMON_TIMING(trfc1_ps),
+		COMMON_TIMING(trfc2_ps),
+		COMMON_TIMING(trfc4_ps),
+		COMMON_TIMING(trrds_ps),
+		COMMON_TIMING(trrdl_ps),
+		COMMON_TIMING(tccdl_ps),
+#else
 		COMMON_TIMING(twtr_ps),
 		COMMON_TIMING(trfc_ps),
 		COMMON_TIMING(trrd_ps),
+		COMMON_TIMING(trtp_ps),
+#endif
+		COMMON_TIMING(twr_ps),
 		COMMON_TIMING(trc_ps),
 		COMMON_TIMING(refresh_rate_ps),
+		COMMON_TIMING(extended_op_srt),
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 		COMMON_TIMING(tis_ps),
 		COMMON_TIMING(tih_ps),
 		COMMON_TIMING(tds_ps),
 		COMMON_TIMING(tdh_ps),
-		COMMON_TIMING(trtp_ps),
 		COMMON_TIMING(tdqsq_max_ps),
 		COMMON_TIMING(tqhs_ps),
+#endif
 		COMMON_TIMING(ndimms_present),
-		COMMON_TIMING(lowest_common_SPD_caslat),
+		COMMON_TIMING(lowest_common_spd_caslat),
 		COMMON_TIMING(highest_common_derated_caslat),
 		COMMON_TIMING(additive_latency),
 		COMMON_TIMING(all_dimms_burst_lengths_bitmask),
@@ -211,7 +224,12 @@ static void fsl_ddr_dimm_parameters_edit(fsl_ddr_info_t *pinfo,
 		DIMM_PARM(n_row_addr),
 		DIMM_PARM(n_col_addr),
 		DIMM_PARM(edc_config),
+#ifdef CONFIG_SYS_FSL_DDR4
+		DIMM_PARM(bank_addr_bits),
+		DIMM_PARM(bank_group_bits),
+#else
 		DIMM_PARM(n_banks_per_sdram_device),
+#endif
 		DIMM_PARM(burst_lengths_bitmask),
 		DIMM_PARM(row_density),
 
@@ -229,20 +247,32 @@ static void fsl_ddr_dimm_parameters_edit(fsl_ddr_info_t *pinfo,
 		DIMM_PARM(trcd_ps),
 		DIMM_PARM(trp_ps),
 		DIMM_PARM(tras_ps),
+#ifdef CONFIG_SYS_FSL_DDR4
+		DIMM_PARM(trfc1_ps),
+		DIMM_PARM(trfc2_ps),
+		DIMM_PARM(trfc4_ps),
+		DIMM_PARM(trrds_ps),
+		DIMM_PARM(trrdl_ps),
+		DIMM_PARM(tccdl_ps),
+#else
 		DIMM_PARM(twr_ps),
 		DIMM_PARM(twtr_ps),
 		DIMM_PARM(trfc_ps),
 		DIMM_PARM(trrd_ps),
+		DIMM_PARM(trtp_ps),
+#endif
 		DIMM_PARM(trc_ps),
 		DIMM_PARM(refresh_rate_ps),
+		DIMM_PARM(extended_op_srt),
 
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 		DIMM_PARM(tis_ps),
 		DIMM_PARM(tih_ps),
 		DIMM_PARM(tds_ps),
 		DIMM_PARM(tdh_ps),
-		DIMM_PARM(trtp_ps),
 		DIMM_PARM(tdqsq_max_ps),
 		DIMM_PARM(tqhs_ps),
+#endif
 
 		DIMM_PARM(rank_density),
 		DIMM_PARM(capacity),
@@ -270,7 +300,12 @@ static void print_dimm_parameters(const dimm_params_t *pdimm)
 		DIMM_PARM(n_row_addr),
 		DIMM_PARM(n_col_addr),
 		DIMM_PARM(edc_config),
+#ifdef CONFIG_SYS_FSL_DDR4
+		DIMM_PARM(bank_addr_bits),
+		DIMM_PARM(bank_group_bits),
+#else
 		DIMM_PARM(n_banks_per_sdram_device),
+#endif
 
 		DIMM_PARM(tckmin_x_ps),
 		DIMM_PARM(tckmin_x_minus_1_ps),
@@ -286,20 +321,31 @@ static void print_dimm_parameters(const dimm_params_t *pdimm)
 		DIMM_PARM(trcd_ps),
 		DIMM_PARM(trp_ps),
 		DIMM_PARM(tras_ps),
+#ifdef CONFIG_SYS_FSL_DDR4
+		DIMM_PARM(trfc1_ps),
+		DIMM_PARM(trfc2_ps),
+		DIMM_PARM(trfc4_ps),
+		DIMM_PARM(trrds_ps),
+		DIMM_PARM(trrdl_ps),
+		DIMM_PARM(tccdl_ps),
+#else
 		DIMM_PARM(twr_ps),
 		DIMM_PARM(twtr_ps),
 		DIMM_PARM(trfc_ps),
 		DIMM_PARM(trrd_ps),
+		DIMM_PARM(trtp_ps),
+#endif
 		DIMM_PARM(trc_ps),
 		DIMM_PARM(refresh_rate_ps),
 
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 		DIMM_PARM(tis_ps),
 		DIMM_PARM(tih_ps),
 		DIMM_PARM(tds_ps),
 		DIMM_PARM(tdh_ps),
-		DIMM_PARM(trtp_ps),
 		DIMM_PARM(tdqsq_max_ps),
 		DIMM_PARM(tqhs_ps),
+#endif
 	};
 	static const unsigned int n_opts = ARRAY_SIZE(options);
 
@@ -326,23 +372,36 @@ static void print_lowest_common_dimm_parameters(
 		const common_timing_params_t *plcd_dimm_params)
 {
 	static const struct options_string options[] = {
-		COMMON_TIMING(tckmax_max_ps),
+		COMMON_TIMING(taamin_ps),
 		COMMON_TIMING(trcd_ps),
 		COMMON_TIMING(trp_ps),
 		COMMON_TIMING(tras_ps),
-		COMMON_TIMING(twr_ps),
+#ifdef CONFIG_SYS_FSL_DDR4
+		COMMON_TIMING(trfc1_ps),
+		COMMON_TIMING(trfc2_ps),
+		COMMON_TIMING(trfc4_ps),
+		COMMON_TIMING(trrds_ps),
+		COMMON_TIMING(trrdl_ps),
+		COMMON_TIMING(tccdl_ps),
+#else
 		COMMON_TIMING(twtr_ps),
 		COMMON_TIMING(trfc_ps),
 		COMMON_TIMING(trrd_ps),
+		COMMON_TIMING(trtp_ps),
+#endif
+		COMMON_TIMING(twr_ps),
 		COMMON_TIMING(trc_ps),
 		COMMON_TIMING(refresh_rate_ps),
+		COMMON_TIMING(extended_op_srt),
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 		COMMON_TIMING(tis_ps),
+		COMMON_TIMING(tih_ps),
 		COMMON_TIMING(tds_ps),
 		COMMON_TIMING(tdh_ps),
-		COMMON_TIMING(trtp_ps),
 		COMMON_TIMING(tdqsq_max_ps),
 		COMMON_TIMING(tqhs_ps),
-		COMMON_TIMING(lowest_common_SPD_caslat),
+#endif
+		COMMON_TIMING(lowest_common_spd_caslat),
 		COMMON_TIMING(highest_common_derated_caslat),
 		COMMON_TIMING(additive_latency),
 		COMMON_TIMING(ndimms_present),
@@ -460,6 +519,9 @@ static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo,
 		CTRL_OPTIONS(tfaw_window_four_activates_ps),
 		CTRL_OPTIONS(trwt_override),
 		CTRL_OPTIONS(trwt),
+		CTRL_OPTIONS(rtt_override),
+		CTRL_OPTIONS(rtt_override_value),
+		CTRL_OPTIONS(rtt_wr_override_value),
 	};
 
 	static const unsigned int n_opts = ARRAY_SIZE(options);
@@ -505,6 +567,7 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
 		CFG_REGS(timing_cfg_2),
 		CFG_REGS(ddr_sdram_cfg),
 		CFG_REGS(ddr_sdram_cfg_2),
+		CFG_REGS(ddr_sdram_cfg_3),
 		CFG_REGS(ddr_sdram_mode),
 		CFG_REGS(ddr_sdram_mode_2),
 		CFG_REGS(ddr_sdram_mode_3),
@@ -513,6 +576,16 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
 		CFG_REGS(ddr_sdram_mode_6),
 		CFG_REGS(ddr_sdram_mode_7),
 		CFG_REGS(ddr_sdram_mode_8),
+#ifdef CONFIG_SYS_FSL_DDR4
+		CFG_REGS(ddr_sdram_mode_9),
+		CFG_REGS(ddr_sdram_mode_10),
+		CFG_REGS(ddr_sdram_mode_11),
+		CFG_REGS(ddr_sdram_mode_12),
+		CFG_REGS(ddr_sdram_mode_13),
+		CFG_REGS(ddr_sdram_mode_14),
+		CFG_REGS(ddr_sdram_mode_15),
+		CFG_REGS(ddr_sdram_mode_16),
+#endif
 		CFG_REGS(ddr_sdram_interval),
 		CFG_REGS(ddr_data_init),
 		CFG_REGS(ddr_sdram_clk_cntl),
@@ -520,6 +593,12 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
 		CFG_REGS(ddr_init_ext_addr),
 		CFG_REGS(timing_cfg_4),
 		CFG_REGS(timing_cfg_5),
+#ifdef CONFIG_SYS_FSL_DDR4
+		CFG_REGS(timing_cfg_6),
+		CFG_REGS(timing_cfg_7),
+		CFG_REGS(timing_cfg_8),
+		CFG_REGS(timing_cfg_9),
+#endif
 		CFG_REGS(ddr_zq_cntl),
 		CFG_REGS(ddr_wrlvl_cntl),
 		CFG_REGS(ddr_wrlvl_cntl_2),
@@ -529,6 +608,10 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
 		CFG_REGS(ddr_sdram_rcw_2),
 		CFG_REGS(ddr_cdr1),
 		CFG_REGS(ddr_cdr2),
+		CFG_REGS(dq_map_0),
+		CFG_REGS(dq_map_1),
+		CFG_REGS(dq_map_2),
+		CFG_REGS(dq_map_3),
 		CFG_REGS(err_disable),
 		CFG_REGS(err_int_en),
 		CFG_REGS(ddr_eor),
@@ -574,6 +657,7 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
 		CFG_REGS(timing_cfg_2),
 		CFG_REGS(ddr_sdram_cfg),
 		CFG_REGS(ddr_sdram_cfg_2),
+		CFG_REGS(ddr_sdram_cfg_3),
 		CFG_REGS(ddr_sdram_mode),
 		CFG_REGS(ddr_sdram_mode_2),
 		CFG_REGS(ddr_sdram_mode_3),
@@ -582,6 +666,16 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
 		CFG_REGS(ddr_sdram_mode_6),
 		CFG_REGS(ddr_sdram_mode_7),
 		CFG_REGS(ddr_sdram_mode_8),
+#ifdef CONFIG_SYS_FSL_DDR4
+		CFG_REGS(ddr_sdram_mode_9),
+		CFG_REGS(ddr_sdram_mode_10),
+		CFG_REGS(ddr_sdram_mode_11),
+		CFG_REGS(ddr_sdram_mode_12),
+		CFG_REGS(ddr_sdram_mode_13),
+		CFG_REGS(ddr_sdram_mode_14),
+		CFG_REGS(ddr_sdram_mode_15),
+		CFG_REGS(ddr_sdram_mode_16),
+#endif
 		CFG_REGS(ddr_sdram_interval),
 		CFG_REGS(ddr_data_init),
 		CFG_REGS(ddr_sdram_clk_cntl),
@@ -589,6 +683,12 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
 		CFG_REGS(ddr_init_ext_addr),
 		CFG_REGS(timing_cfg_4),
 		CFG_REGS(timing_cfg_5),
+#ifdef CONFIG_SYS_FSL_DDR4
+		CFG_REGS(timing_cfg_6),
+		CFG_REGS(timing_cfg_7),
+		CFG_REGS(timing_cfg_8),
+		CFG_REGS(timing_cfg_9),
+#endif
 		CFG_REGS(ddr_zq_cntl),
 		CFG_REGS(ddr_wrlvl_cntl),
 		CFG_REGS(ddr_wrlvl_cntl_2),
@@ -598,6 +698,10 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
 		CFG_REGS(ddr_sdram_rcw_2),
 		CFG_REGS(ddr_cdr1),
 		CFG_REGS(ddr_cdr2),
+		CFG_REGS(dq_map_0),
+		CFG_REGS(dq_map_1),
+		CFG_REGS(dq_map_2),
+		CFG_REGS(dq_map_3),
 		CFG_REGS(err_disable),
 		CFG_REGS(err_int_en),
 		CFG_REGS(ddr_sdram_rcw_2),
@@ -705,6 +809,9 @@ static void print_memctl_options(const memctl_options_t *popts)
 		CTRL_OPTIONS(tfaw_window_four_activates_ps),
 		CTRL_OPTIONS(trwt_override),
 		CTRL_OPTIONS(trwt),
+		CTRL_OPTIONS(rtt_override),
+		CTRL_OPTIONS(rtt_override_value),
+		CTRL_OPTIONS(rtt_wr_override_value),
 	};
 	static const unsigned int n_opts = ARRAY_SIZE(options);
 
@@ -1245,6 +1352,266 @@ void ddr3_spd_dump(const ddr3_spd_eeprom_t *spd)
 }
 #endif
 
+#ifdef CONFIG_SYS_FSL_DDR4
+void ddr4_spd_dump(const struct ddr4_spd_eeprom_s *spd)
+{
+	unsigned int i;
+
+	/* General Section: Bytes 0-127 */
+
+#define PRINT_NXS(x, y, z...) printf("%-3d    : %02x " z "\n", x, (u8)y);
+#define PRINT_NNXXS(n0, n1, x0, x1, s) \
+	printf("%-3d-%3d: %02x %02x " s "\n", n0, n1, x0, x1);
+
+	PRINT_NXS(0, spd->info_size_crc,
+		  "info_size_crc  bytes written into serial memory, CRC coverage");
+	PRINT_NXS(1, spd->spd_rev,
+		  "spd_rev        SPD Revision");
+	PRINT_NXS(2, spd->mem_type,
+		  "mem_type       Key Byte / DRAM Device Type");
+	PRINT_NXS(3, spd->module_type,
+		  "module_type    Key Byte / Module Type");
+	PRINT_NXS(4, spd->density_banks,
+		  "density_banks  SDRAM Density and Banks");
+	PRINT_NXS(5, spd->addressing,
+		  "addressing     SDRAM Addressing");
+	PRINT_NXS(6, spd->package_type,
+		  "package_type   Package type");
+	PRINT_NXS(7, spd->opt_feature,
+		  "opt_feature    Optional features");
+	PRINT_NXS(8, spd->thermal_ref,
+		  "thermal_ref    Thermal and Refresh options");
+	PRINT_NXS(9, spd->oth_opt_features,
+		  "oth_opt_features Other SDRAM optional features");
+	PRINT_NXS(10, spd->res_10,
+		  "res_10         Reserved");
+	PRINT_NXS(11, spd->module_vdd,
+		  "module_vdd     Module Nominal Voltage, VDD");
+	PRINT_NXS(12, spd->organization,
+		  "organization Module Organization");
+	PRINT_NXS(13, spd->bus_width,
+		  "bus_width      Module Memory Bus Width");
+	PRINT_NXS(14, spd->therm_sensor,
+		  "therm_sensor   Module Thermal Sensor");
+	PRINT_NXS(15, spd->ext_type,
+		  "ext_type       Extended module type");
+	PRINT_NXS(16, spd->res_16,
+		  "res_16       Reserved");
+	PRINT_NXS(17, spd->timebases,
+		  "timebases    MTb and FTB");
+	PRINT_NXS(18, spd->tck_min,
+		  "tck_min      tCKAVGmin");
+	PRINT_NXS(19, spd->tck_max,
+		  "tck_max      TCKAVGmax");
+	PRINT_NXS(20, spd->caslat_b1,
+		  "caslat_b1    CAS latencies, 1st byte");
+	PRINT_NXS(21, spd->caslat_b2,
+		  "caslat_b2    CAS latencies, 2nd byte");
+	PRINT_NXS(22, spd->caslat_b3,
+		  "caslat_b3    CAS latencies, 3rd byte ");
+	PRINT_NXS(23, spd->caslat_b4,
+		  "caslat_b4    CAS latencies, 4th byte");
+	PRINT_NXS(24, spd->taa_min,
+		  "taa_min      Min CAS Latency Time");
+	PRINT_NXS(25, spd->trcd_min,
+		  "trcd_min     Min RAS# to CAS# Delay Time");
+	PRINT_NXS(26, spd->trp_min,
+		  "trp_min      Min Row Precharge Delay Time");
+	PRINT_NXS(27, spd->tras_trc_ext,
+		  "tras_trc_ext Upper Nibbles for tRAS and tRC");
+	PRINT_NXS(28, spd->tras_min_lsb,
+		  "tras_min_lsb tRASmin, lsb");
+	PRINT_NXS(29, spd->trc_min_lsb,
+		  "trc_min_lsb  tRCmin, lsb");
+	PRINT_NXS(30, spd->trfc1_min_lsb,
+		  "trfc1_min_lsb  Min Refresh Recovery Delay Time, LSB");
+	PRINT_NXS(31, spd->trfc1_min_msb,
+		  "trfc1_min_msb  Min Refresh Recovery Delay Time, MSB ");
+	PRINT_NXS(32, spd->trfc2_min_lsb,
+		  "trfc2_min_lsb  Min Refresh Recovery Delay Time, LSB");
+	PRINT_NXS(33, spd->trfc2_min_msb,
+		  "trfc2_min_msb  Min Refresh Recovery Delay Time, MSB");
+	PRINT_NXS(34, spd->trfc4_min_lsb,
+		  "trfc4_min_lsb Min Refresh Recovery Delay Time, LSB");
+	PRINT_NXS(35, spd->trfc4_min_msb,
+		  "trfc4_min_msb Min Refresh Recovery Delay Time, MSB");
+	PRINT_NXS(36, spd->tfaw_msb,
+		  "tfaw_msb      Upper Nibble for tFAW");
+	PRINT_NXS(37, spd->tfaw_min,
+		  "tfaw_min      tFAW, lsb");
+	PRINT_NXS(38, spd->trrds_min,
+		  "trrds_min     tRRD_Smin, MTB");
+	PRINT_NXS(39, spd->trrdl_min,
+		  "trrdl_min     tRRD_Lmin, MTB");
+	PRINT_NXS(40, spd->tccdl_min,
+		  "tccdl_min     tCCS_Lmin, MTB");
+
+	printf("%-3d-%3d: ", 41, 59);  /* Reserved, General Section */
+	for (i = 41; i <= 59; i++)
+		printf("%02x ", spd->res_41[i - 41]);
+
+	puts("\n");
+	printf("%-3d-%3d: ", 60, 77);
+	for (i = 60; i <= 77; i++)
+		printf("%02x ", spd->mapping[i - 60]);
+	puts("   mapping[] Connector to SDRAM bit map\n");
+
+	PRINT_NXS(117, spd->fine_tccdl_min,
+		  "fine_tccdl_min Fine offset for tCCD_Lmin");
+	PRINT_NXS(118, spd->fine_trrdl_min,
+		  "fine_trrdl_min Fine offset for tRRD_Lmin");
+	PRINT_NXS(119, spd->fine_trrds_min,
+		  "fine_trrds_min Fine offset for tRRD_Smin");
+	PRINT_NXS(120, spd->fine_trc_min,
+		  "fine_trc_min   Fine offset for tRCmin");
+	PRINT_NXS(121, spd->fine_trp_min,
+		  "fine_trp_min   Fine offset for tRPmin");
+	PRINT_NXS(122, spd->fine_trcd_min,
+		  "fine_trcd_min  Fine offset for tRCDmin");
+	PRINT_NXS(123, spd->fine_taa_min,
+		  "fine_taa_min   Fine offset for tAAmin");
+	PRINT_NXS(124, spd->fine_tck_max,
+		  "fine_tck_max   Fine offset for tCKAVGmax");
+	PRINT_NXS(125, spd->fine_tck_min,
+		  "fine_tck_min   Fine offset for tCKAVGmin");
+
+	/* CRC: Bytes 126-127 */
+	PRINT_NNXXS(126, 127, spd->crc[0], spd->crc[1], "  SPD CRC");
+
+	switch (spd->module_type) {
+	case 0x02:  /* UDIMM */
+	case 0x03:  /* SO-DIMM */
+		PRINT_NXS(128, spd->mod_section.unbuffered.mod_height,
+			  "mod_height    (Unbuffered) Module Nominal Height");
+		PRINT_NXS(129, spd->mod_section.unbuffered.mod_thickness,
+			  "mod_thickness (Unbuffered) Module Maximum Thickness");
+		PRINT_NXS(130, spd->mod_section.unbuffered.ref_raw_card,
+			  "ref_raw_card  (Unbuffered) Reference Raw Card Used");
+		PRINT_NXS(131, spd->mod_section.unbuffered.addr_mapping,
+			  "addr_mapping  (Unbuffered) Address mapping from Edge Connector to DRAM");
+		PRINT_NNXXS(254, 255, spd->mod_section.unbuffered.crc[0],
+			    spd->mod_section.unbuffered.crc[1], "  Module CRC");
+		break;
+	case 0x01:  /* RDIMM */
+		PRINT_NXS(128, spd->mod_section.registered.mod_height,
+			  "mod_height    (Registered) Module Nominal Height");
+		PRINT_NXS(129, spd->mod_section.registered.mod_thickness,
+			  "mod_thickness (Registered) Module Maximum Thickness");
+		PRINT_NXS(130, spd->mod_section.registered.ref_raw_card,
+			  "ref_raw_card  (Registered) Reference Raw Card Used");
+		PRINT_NXS(131, spd->mod_section.registered.modu_attr,
+			  "modu_attr     (Registered) DIMM Module Attributes");
+		PRINT_NXS(132, spd->mod_section.registered.thermal,
+			  "thermal       (Registered) Thermal Heat Spreader Solution");
+		PRINT_NXS(133, spd->mod_section.registered.reg_id_lo,
+			  "reg_id_lo     (Registered) Register Manufacturer ID Code, LSB");
+		PRINT_NXS(134, spd->mod_section.registered.reg_id_hi,
+			  "reg_id_hi     (Registered) Register Manufacturer ID Code, MSB");
+		PRINT_NXS(135, spd->mod_section.registered.reg_rev,
+			  "reg_rev       (Registered) Register Revision Number");
+		PRINT_NXS(136, spd->mod_section.registered.reg_map,
+			  "reg_map       (Registered) Address mapping");
+		PRINT_NNXXS(254, 255, spd->mod_section.registered.crc[0],
+			    spd->mod_section.registered.crc[1], "  Module CRC");
+		break;
+	case 0x04:  /* LRDIMM */
+		PRINT_NXS(128, spd->mod_section.loadreduced.mod_height,
+			  "mod_height    (Loadreduced) Module Nominal Height");
+		PRINT_NXS(129, spd->mod_section.loadreduced.mod_thickness,
+			  "mod_thickness (Loadreduced) Module Maximum Thickness");
+		PRINT_NXS(130, spd->mod_section.loadreduced.ref_raw_card,
+			  "ref_raw_card  (Loadreduced) Reference Raw Card Used");
+		PRINT_NXS(131, spd->mod_section.loadreduced.modu_attr,
+			  "modu_attr     (Loadreduced) DIMM Module Attributes");
+		PRINT_NXS(132, spd->mod_section.loadreduced.thermal,
+			  "thermal       (Loadreduced) Thermal Heat Spreader Solution");
+		PRINT_NXS(133, spd->mod_section.loadreduced.reg_id_lo,
+			  "reg_id_lo     (Loadreduced) Register Manufacturer ID Code, LSB");
+		PRINT_NXS(134, spd->mod_section.loadreduced.reg_id_hi,
+			  "reg_id_hi     (Loadreduced) Register Manufacturer ID Code, MSB");
+		PRINT_NXS(135, spd->mod_section.loadreduced.reg_rev,
+			  "reg_rev       (Loadreduced) Register Revision Number");
+		PRINT_NXS(136, spd->mod_section.loadreduced.reg_map,
+			  "reg_map       (Loadreduced) Address mapping");
+		PRINT_NXS(137, spd->mod_section.loadreduced.reg_drv,
+			  "reg_drv       (Loadreduced) Reg output drive strength");
+		PRINT_NXS(138, spd->mod_section.loadreduced.reg_drv_ck,
+			  "reg_drv_ck    (Loadreduced) Reg output drive strength for CK");
+		PRINT_NXS(139, spd->mod_section.loadreduced.data_buf_rev,
+			  "data_buf_rev  (Loadreduced) Data Buffer Revision Numbe");
+		PRINT_NXS(140, spd->mod_section.loadreduced.vrefqe_r0,
+			  "vrefqe_r0     (Loadreduced) DRAM VrefDQ for Package Rank 0");
+		PRINT_NXS(141, spd->mod_section.loadreduced.vrefqe_r1,
+			  "vrefqe_r1     (Loadreduced) DRAM VrefDQ for Package Rank 1");
+		PRINT_NXS(142, spd->mod_section.loadreduced.vrefqe_r2,
+			  "vrefqe_r2     (Loadreduced) DRAM VrefDQ for Package Rank 2");
+		PRINT_NXS(143, spd->mod_section.loadreduced.vrefqe_r3,
+			  "vrefqe_r3     (Loadreduced) DRAM VrefDQ for Package Rank 3");
+		PRINT_NXS(144, spd->mod_section.loadreduced.data_intf,
+			  "data_intf     (Loadreduced) Data Buffer VrefDQ for DRAM Interface");
+		PRINT_NXS(145, spd->mod_section.loadreduced.data_drv_1866,
+			  "data_drv_1866 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
+		PRINT_NXS(146, spd->mod_section.loadreduced.data_drv_2400,
+			  "data_drv_2400 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
+		PRINT_NXS(147, spd->mod_section.loadreduced.data_drv_3200,
+			  "data_drv_3200 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
+		PRINT_NXS(148, spd->mod_section.loadreduced.dram_drv,
+			  "dram_drv      (Loadreduced) DRAM Drive Strength");
+		PRINT_NXS(149, spd->mod_section.loadreduced.dram_odt_1866,
+			  "dram_odt_1866 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
+		PRINT_NXS(150, spd->mod_section.loadreduced.dram_odt_2400,
+			  "dram_odt_2400 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
+		PRINT_NXS(151, spd->mod_section.loadreduced.dram_odt_3200,
+			  "dram_odt_3200 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
+		PRINT_NXS(152, spd->mod_section.loadreduced.dram_odt_park_1866,
+			  "dram_odt_park_1866 (Loadreduced) DRAM ODT (RTT_PARK)");
+		PRINT_NXS(153, spd->mod_section.loadreduced.dram_odt_park_2400,
+			  "dram_odt_park_2400 (Loadreduced) DRAM ODT (RTT_PARK)");
+		PRINT_NXS(154, spd->mod_section.loadreduced.dram_odt_park_3200,
+			  "dram_odt_park_3200 (Loadreduced) DRAM ODT (RTT_PARK)");
+		PRINT_NNXXS(254, 255, spd->mod_section.loadreduced.crc[0],
+			    spd->mod_section.loadreduced.crc[1],
+			    "  Module CRC");
+		break;
+	default:
+		/* Module-specific Section, Unsupported Module Type */
+		printf("%-3d-%3d: ", 128, 255);
+
+		for (i = 128; i <= 255; i++)
+			printf("%02x", spd->mod_section.uc[i - 60]);
+
+		break;
+	}
+
+	/* Unique Module ID: Bytes 320-383 */
+	PRINT_NXS(320, spd->mmid_lsb, "Module MfgID Code LSB - JEP-106");
+	PRINT_NXS(321, spd->mmid_msb, "Module MfgID Code MSB - JEP-106");
+	PRINT_NXS(322, spd->mloc,     "Mfg Location");
+	PRINT_NNXXS(323, 324, spd->mdate[0], spd->mdate[1], "Mfg Date");
+
+	printf("%-3d-%3d: ", 325, 328);
+
+	for (i = 325; i <= 328; i++)
+		printf("%02x ", spd->sernum[i - 325]);
+	printf("   Module Serial Number\n");
+
+	printf("%-3d-%3d: ", 329, 348);
+	for (i = 329; i <= 348; i++)
+		printf("%02x ", spd->mpart[i - 329]);
+	printf("   Mfg's Module Part Number\n");
+
+	PRINT_NXS(349, spd->mrev, "Module Revision code");
+	PRINT_NXS(350, spd->dmid_lsb, "DRAM MfgID Code LSB - JEP-106");
+	PRINT_NXS(351, spd->dmid_msb, "DRAM MfgID Code MSB - JEP-106");
+	PRINT_NXS(352, spd->stepping, "DRAM stepping");
+
+	printf("%-3d-%3d: ", 353, 381);
+	for (i = 353; i <= 381; i++)
+		printf("%02x ", spd->msd[i - 353]);
+	printf("   Mfg's Specific Data\n");
+}
+#endif
+
 static inline void generic_spd_dump(const generic_spd_eeprom_t *spd)
 {
 #if defined(CONFIG_SYS_FSL_DDR1)
@@ -1253,6 +1620,8 @@ static inline void generic_spd_dump(const generic_spd_eeprom_t *spd)
 	ddr2_spd_dump(spd);
 #elif defined(CONFIG_SYS_FSL_DDR3)
 	ddr3_spd_dump(spd);
+#elif defined(CONFIG_SYS_FSL_DDR4)
+	ddr4_spd_dump(spd);
 #endif
 }
 
diff --git a/drivers/ddr/fsl/lc_common_dimm_params.c b/drivers/ddr/fsl/lc_common_dimm_params.c
index 610318a..05a24dd 100644
--- a/drivers/ddr/fsl/lc_common_dimm_params.c
+++ b/drivers/ddr/fsl/lc_common_dimm_params.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2012 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
@@ -11,20 +11,23 @@
 
 #include <fsl_ddr.h>
 
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 static unsigned int
-compute_cas_latency_ddr3(const dimm_params_t *dimm_params,
-			 common_timing_params_t *outpdimm,
-			 unsigned int number_of_dimms)
+compute_cas_latency(const dimm_params_t *dimm_params,
+		    common_timing_params_t *outpdimm,
+		    unsigned int number_of_dimms)
 {
 	unsigned int i;
-	unsigned int taamin_ps = 0;
-	unsigned int tckmin_x_ps = 0;
 	unsigned int common_caslat;
 	unsigned int caslat_actual;
 	unsigned int retry = 16;
 	unsigned int tmp;
 	const unsigned int mclk_ps = get_memory_clk_period_ps();
+#ifdef CONFIG_SYS_FSL_DDR3
+	const unsigned int taamax = 20000;
+#else
+	const unsigned int taamax = 18000;
+#endif
 
 	/* compute the common CAS latency supported between slots */
 	tmp = dimm_params[0].caslat_x;
@@ -34,19 +37,20 @@ compute_cas_latency_ddr3(const dimm_params_t *dimm_params,
 	}
 	common_caslat = tmp;
 
-	/* compute the max tAAmin tCKmin between slots */
-	for (i = 0; i < number_of_dimms; i++) {
-		taamin_ps = max(taamin_ps, dimm_params[i].taa_ps);
-		tckmin_x_ps = max(tckmin_x_ps, dimm_params[i].tckmin_x_ps);
-	}
 	/* validate if the memory clk is in the range of dimms */
-	if (mclk_ps < tckmin_x_ps) {
+	if (mclk_ps < outpdimm->tckmin_x_ps) {
 		printf("DDR clock (MCLK cycle %u ps) is faster than "
 			"the slowest DIMM(s) (tCKmin %u ps) can support.\n",
-			mclk_ps, tckmin_x_ps);
+			mclk_ps, outpdimm->tckmin_x_ps);
+	}
+#ifdef CONFIG_SYS_FSL_DDR4
+	if (mclk_ps > outpdimm->tckmax_ps) {
+		printf("DDR clock (MCLK cycle %u ps) is slower than DIMM(s) (tCKmax %u ps) can support.\n",
+		       mclk_ps, outpdimm->tckmax_ps);
 	}
+#endif
 	/* determine the acutal cas latency */
-	caslat_actual = (taamin_ps + mclk_ps - 1) / mclk_ps;
+	caslat_actual = (outpdimm->taamin_ps + mclk_ps - 1) / mclk_ps;
 	/* check if the dimms support the CAS latency */
 	while (!(common_caslat & (1 << caslat_actual)) && retry > 0) {
 		caslat_actual++;
@@ -54,13 +58,147 @@ compute_cas_latency_ddr3(const dimm_params_t *dimm_params,
 	}
 	/* once the caculation of caslat_actual is completed
 	 * we must verify that this CAS latency value does not
-	 * exceed tAAmax, which is 20 ns for all DDR3 speed grades
+	 * exceed tAAmax, which is 20 ns for all DDR3 speed grades,
+	 * 18ns for all DDR4 speed grades.
 	 */
-	if (caslat_actual * mclk_ps > 20000) {
+	if (caslat_actual * mclk_ps > taamax) {
 		printf("The choosen cas latency %d is too large\n",
 			caslat_actual);
 	}
-	outpdimm->lowest_common_SPD_caslat = caslat_actual;
+	outpdimm->lowest_common_spd_caslat = caslat_actual;
+	debug("lowest_common_spd_caslat is 0x%x\n", caslat_actual);
+
+	return 0;
+}
+#else	/* for DDR1 and DDR2 */
+static unsigned int
+compute_cas_latency(const dimm_params_t *dimm_params,
+		    common_timing_params_t *outpdimm,
+		    unsigned int number_of_dimms)
+{
+	int i;
+	const unsigned int mclk_ps = get_memory_clk_period_ps();
+	unsigned int lowest_good_caslat;
+	unsigned int not_ok;
+	unsigned int temp1, temp2;
+
+	debug("using mclk_ps = %u\n", mclk_ps);
+	if (mclk_ps > outpdimm->tckmax_ps) {
+		printf("Warning: DDR clock (%u ps) is slower than DIMM(s) (tCKmax %u ps)\n",
+		       mclk_ps, outpdimm->tckmax_ps);
+	}
+
+	/*
+	 * Compute a CAS latency suitable for all DIMMs
+	 *
+	 * Strategy for SPD-defined latencies: compute only
+	 * CAS latency defined by all DIMMs.
+	 */
+
+	/*
+	 * Step 1: find CAS latency common to all DIMMs using bitwise
+	 * operation.
+	 */
+	temp1 = 0xFF;
+	for (i = 0; i < number_of_dimms; i++) {
+		if (dimm_params[i].n_ranks) {
+			temp2 = 0;
+			temp2 |= 1 << dimm_params[i].caslat_x;
+			temp2 |= 1 << dimm_params[i].caslat_x_minus_1;
+			temp2 |= 1 << dimm_params[i].caslat_x_minus_2;
+			/*
+			 * If there was no entry for X-2 (X-1) in
+			 * the SPD, then caslat_x_minus_2
+			 * (caslat_x_minus_1) contains either 255 or
+			 * 0xFFFFFFFF because that's what the glorious
+			 * __ilog2 function returns for an input of 0.
+			 * On 32-bit PowerPC, left shift counts with bit
+			 * 26 set (that the value of 255 or 0xFFFFFFFF
+			 * will have), cause the destination register to
+			 * be 0.  That is why this works.
+			 */
+			temp1 &= temp2;
+		}
+	}
+
+	/*
+	 * Step 2: check each common CAS latency against tCK of each
+	 * DIMM's SPD.
+	 */
+	lowest_good_caslat = 0;
+	temp2 = 0;
+	while (temp1) {
+		not_ok = 0;
+		temp2 =  __ilog2(temp1);
+		debug("checking common caslat = %u\n", temp2);
+
+		/* Check if this CAS latency will work on all DIMMs at tCK. */
+		for (i = 0; i < number_of_dimms; i++) {
+			if (!dimm_params[i].n_ranks)
+				continue;
+
+			if (dimm_params[i].caslat_x == temp2) {
+				if (mclk_ps >= dimm_params[i].tckmin_x_ps) {
+					debug("CL = %u ok on DIMM %u at tCK=%u ps with tCKmin_X_ps of %u\n",
+					      temp2, i, mclk_ps,
+					      dimm_params[i].tckmin_x_ps);
+					continue;
+				} else {
+					not_ok++;
+				}
+			}
+
+			if (dimm_params[i].caslat_x_minus_1 == temp2) {
+				unsigned int tckmin_x_minus_1_ps
+					= dimm_params[i].tckmin_x_minus_1_ps;
+				if (mclk_ps >= tckmin_x_minus_1_ps) {
+					debug("CL = %u ok on DIMM %u at tCK=%u ps with tckmin_x_minus_1_ps of %u\n",
+					      temp2, i, mclk_ps,
+					      tckmin_x_minus_1_ps);
+					continue;
+				} else {
+					not_ok++;
+				}
+			}
+
+			if (dimm_params[i].caslat_x_minus_2 == temp2) {
+				unsigned int tckmin_x_minus_2_ps
+					= dimm_params[i].tckmin_x_minus_2_ps;
+				if (mclk_ps >= tckmin_x_minus_2_ps) {
+					debug("CL = %u ok on DIMM %u at tCK=%u ps with tckmin_x_minus_2_ps of %u\n",
+					      temp2, i, mclk_ps,
+					      tckmin_x_minus_2_ps);
+					continue;
+				} else {
+					not_ok++;
+				}
+			}
+		}
+
+		if (!not_ok)
+			lowest_good_caslat = temp2;
+
+		temp1 &= ~(1 << temp2);
+	}
+
+	debug("lowest common SPD-defined CAS latency = %u\n",
+	      lowest_good_caslat);
+	outpdimm->lowest_common_spd_caslat = lowest_good_caslat;
+
+
+	/*
+	 * Compute a common 'de-rated' CAS latency.
+	 *
+	 * The strategy here is to find the *highest* dereated cas latency
+	 * with the assumption that all of the DIMMs will support a dereated
+	 * CAS latency higher than or equal to their lowest dereated value.
+	 */
+	temp1 = 0;
+	for (i = 0; i < number_of_dimms; i++)
+		temp1 = max(temp1, dimm_params[i].caslat_lowest_derated);
+
+	outpdimm->highest_common_derated_caslat = temp1;
+	debug("highest common dereated CAS latency = %u\n", temp1);
 
 	return 0;
 }
@@ -82,34 +220,40 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 
 	unsigned int tckmin_x_ps = 0;
 	unsigned int tckmax_ps = 0xFFFFFFFF;
-	unsigned int tckmax_max_ps = 0;
 	unsigned int trcd_ps = 0;
 	unsigned int trp_ps = 0;
 	unsigned int tras_ps = 0;
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
+	unsigned int taamin_ps = 0;
+#endif
+#ifdef CONFIG_SYS_FSL_DDR4
+	unsigned int twr_ps = 15000;
+	unsigned int trfc1_ps = 0;
+	unsigned int trfc2_ps = 0;
+	unsigned int trfc4_ps = 0;
+	unsigned int trrds_ps = 0;
+	unsigned int trrdl_ps = 0;
+	unsigned int tccdl_ps = 0;
+#else
 	unsigned int twr_ps = 0;
 	unsigned int twtr_ps = 0;
 	unsigned int trfc_ps = 0;
 	unsigned int trrd_ps = 0;
+	unsigned int trtp_ps = 0;
+#endif
 	unsigned int trc_ps = 0;
 	unsigned int refresh_rate_ps = 0;
 	unsigned int extended_op_srt = 1;
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 	unsigned int tis_ps = 0;
 	unsigned int tih_ps = 0;
 	unsigned int tds_ps = 0;
 	unsigned int tdh_ps = 0;
-	unsigned int trtp_ps = 0;
 	unsigned int tdqsq_max_ps = 0;
 	unsigned int tqhs_ps = 0;
-
+#endif
 	unsigned int temp1, temp2;
 	unsigned int additive_latency = 0;
-#if !defined(CONFIG_SYS_FSL_DDR3)
-	const unsigned int mclk_ps = get_memory_clk_period_ps();
-	unsigned int lowest_good_caslat;
-	unsigned int not_ok;
-
-	debug("using mclk_ps = %u\n", mclk_ps);
-#endif
 
 	temp1 = 0;
 	for (i = 0; i < number_of_dimms; i++) {
@@ -146,31 +290,34 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 		 * i.e., this is the slowest the whole system can go.
 		 */
 		tckmax_ps = min(tckmax_ps, dimm_params[i].tckmax_ps);
-
-		/* Either find maximum value to determine slowest
-		 * speed, delay, time, period, etc */
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
+		taamin_ps = max(taamin_ps, dimm_params[i].taa_ps);
+#endif
 		tckmin_x_ps = max(tckmin_x_ps, dimm_params[i].tckmin_x_ps);
-		tckmax_max_ps = max(tckmax_max_ps, dimm_params[i].tckmax_ps);
 		trcd_ps = max(trcd_ps, dimm_params[i].trcd_ps);
 		trp_ps = max(trp_ps, dimm_params[i].trp_ps);
 		tras_ps = max(tras_ps, dimm_params[i].tras_ps);
+#ifdef CONFIG_SYS_FSL_DDR4
+		trfc1_ps = max(trfc1_ps, dimm_params[i].trfc1_ps);
+		trfc2_ps = max(trfc2_ps, dimm_params[i].trfc2_ps);
+		trfc4_ps = max(trfc4_ps, dimm_params[i].trfc4_ps);
+		trrds_ps = max(trrds_ps, dimm_params[i].trrds_ps);
+		trrdl_ps = max(trrdl_ps, dimm_params[i].trrdl_ps);
+		tccdl_ps = max(tccdl_ps, dimm_params[i].tccdl_ps);
+#else
 		twr_ps = max(twr_ps, dimm_params[i].twr_ps);
 		twtr_ps = max(twtr_ps, dimm_params[i].twtr_ps);
 		trfc_ps = max(trfc_ps, dimm_params[i].trfc_ps);
 		trrd_ps = max(trrd_ps, dimm_params[i].trrd_ps);
+		trtp_ps = max(trtp_ps, dimm_params[i].trtp_ps);
+#endif
 		trc_ps = max(trc_ps, dimm_params[i].trc_ps);
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 		tis_ps = max(tis_ps, dimm_params[i].tis_ps);
 		tih_ps = max(tih_ps, dimm_params[i].tih_ps);
 		tds_ps = max(tds_ps, dimm_params[i].tds_ps);
 		tdh_ps = max(tdh_ps, dimm_params[i].tdh_ps);
-		trtp_ps = max(trtp_ps, dimm_params[i].trtp_ps);
 		tqhs_ps = max(tqhs_ps, dimm_params[i].tqhs_ps);
-		refresh_rate_ps = max(refresh_rate_ps,
-				      dimm_params[i].refresh_rate_ps);
-		/* extended_op_srt is either 0 or 1, 0 having priority */
-		extended_op_srt = min(extended_op_srt,
-				      dimm_params[i].extended_op_srt);
-
 		/*
 		 * Find maximum tdqsq_max_ps to find slowest.
 		 *
@@ -178,6 +325,12 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 		 * strategy for this parameter?
 		 */
 		tdqsq_max_ps = max(tdqsq_max_ps, dimm_params[i].tdqsq_max_ps);
+#endif
+		refresh_rate_ps = max(refresh_rate_ps,
+				      dimm_params[i].refresh_rate_ps);
+		/* extended_op_srt is either 0 or 1, 0 having priority */
+		extended_op_srt = min(extended_op_srt,
+				      dimm_params[i].extended_op_srt);
 	}
 
 	outpdimm->ndimms_present = number_of_dimms - temp1;
@@ -189,24 +342,37 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 
 	outpdimm->tckmin_x_ps = tckmin_x_ps;
 	outpdimm->tckmax_ps = tckmax_ps;
-	outpdimm->tckmax_max_ps = tckmax_max_ps;
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
+	outpdimm->taamin_ps = taamin_ps;
+#endif
 	outpdimm->trcd_ps = trcd_ps;
 	outpdimm->trp_ps = trp_ps;
 	outpdimm->tras_ps = tras_ps;
-	outpdimm->twr_ps = twr_ps;
+#ifdef CONFIG_SYS_FSL_DDR4
+	outpdimm->trfc1_ps = trfc1_ps;
+	outpdimm->trfc2_ps = trfc2_ps;
+	outpdimm->trfc4_ps = trfc4_ps;
+	outpdimm->trrds_ps = trrds_ps;
+	outpdimm->trrdl_ps = trrdl_ps;
+	outpdimm->tccdl_ps = tccdl_ps;
+#else
 	outpdimm->twtr_ps = twtr_ps;
 	outpdimm->trfc_ps = trfc_ps;
 	outpdimm->trrd_ps = trrd_ps;
+	outpdimm->trtp_ps = trtp_ps;
+#endif
+	outpdimm->twr_ps = twr_ps;
 	outpdimm->trc_ps = trc_ps;
 	outpdimm->refresh_rate_ps = refresh_rate_ps;
 	outpdimm->extended_op_srt = extended_op_srt;
+#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
 	outpdimm->tis_ps = tis_ps;
 	outpdimm->tih_ps = tih_ps;
 	outpdimm->tds_ps = tds_ps;
 	outpdimm->tdh_ps = tdh_ps;
-	outpdimm->trtp_ps = trtp_ps;
 	outpdimm->tdqsq_max_ps = tdqsq_max_ps;
 	outpdimm->tqhs_ps = tqhs_ps;
+#endif
 
 	/* Determine common burst length for all DIMMs. */
 	temp1 = 0xff;
@@ -265,128 +431,9 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 	if (temp1 != 0)
 		printf("ERROR: Mix different RDIMM detected!\n");
 
-#if defined(CONFIG_SYS_FSL_DDR3)
-	if (compute_cas_latency_ddr3(dimm_params, outpdimm, number_of_dimms))
+	/* calculate cas latency for all DDR types */
+	if (compute_cas_latency(dimm_params, outpdimm, number_of_dimms))
 		return 1;
-#else
-	/*
-	 * Compute a CAS latency suitable for all DIMMs
-	 *
-	 * Strategy for SPD-defined latencies: compute only
-	 * CAS latency defined by all DIMMs.
-	 */
-
-	/*
-	 * Step 1: find CAS latency common to all DIMMs using bitwise
-	 * operation.
-	 */
-	temp1 = 0xFF;
-	for (i = 0; i < number_of_dimms; i++) {
-		if (dimm_params[i].n_ranks) {
-			temp2 = 0;
-			temp2 |= 1 << dimm_params[i].caslat_x;
-			temp2 |= 1 << dimm_params[i].caslat_x_minus_1;
-			temp2 |= 1 << dimm_params[i].caslat_x_minus_2;
-			/*
-			 * FIXME: If there was no entry for X-2 (X-1) in
-			 * the SPD, then caslat_x_minus_2
-			 * (caslat_x_minus_1) contains either 255 or
-			 * 0xFFFFFFFF because that's what the glorious
-			 * __ilog2 function returns for an input of 0.
-			 * On 32-bit PowerPC, left shift counts with bit
-			 * 26 set (that the value of 255 or 0xFFFFFFFF
-			 * will have), cause the destination register to
-			 * be 0.  That is why this works.
-			 */
-			temp1 &= temp2;
-		}
-	}
-
-	/*
-	 * Step 2: check each common CAS latency against tCK of each
-	 * DIMM's SPD.
-	 */
-	lowest_good_caslat = 0;
-	temp2 = 0;
-	while (temp1) {
-		not_ok = 0;
-		temp2 =  __ilog2(temp1);
-		debug("checking common caslat = %u\n", temp2);
-
-		/* Check if this CAS latency will work on all DIMMs at tCK. */
-		for (i = 0; i < number_of_dimms; i++) {
-			if (!dimm_params[i].n_ranks) {
-				continue;
-			}
-			if (dimm_params[i].caslat_x == temp2) {
-				if (mclk_ps >= dimm_params[i].tckmin_x_ps) {
-					debug("CL = %u ok on DIMM %u at tCK=%u"
-					    " ps with its tCKmin_X_ps of %u\n",
-					       temp2, i, mclk_ps,
-					       dimm_params[i].tckmin_x_ps);
-					continue;
-				} else {
-					not_ok++;
-				}
-			}
-
-			if (dimm_params[i].caslat_x_minus_1 == temp2) {
-				unsigned int tckmin_x_minus_1_ps
-					= dimm_params[i].tckmin_x_minus_1_ps;
-				if (mclk_ps >= tckmin_x_minus_1_ps) {
-					debug("CL = %u ok on DIMM %u at "
-						"tCK=%u ps with its "
-						"tckmin_x_minus_1_ps of %u\n",
-					       temp2, i, mclk_ps,
-					       tckmin_x_minus_1_ps);
-					continue;
-				} else {
-					not_ok++;
-				}
-			}
-
-			if (dimm_params[i].caslat_x_minus_2 == temp2) {
-				unsigned int tckmin_x_minus_2_ps
-					= dimm_params[i].tckmin_x_minus_2_ps;
-				if (mclk_ps >= tckmin_x_minus_2_ps) {
-					debug("CL = %u ok on DIMM %u at "
-						"tCK=%u ps with its "
-						"tckmin_x_minus_2_ps of %u\n",
-					       temp2, i, mclk_ps,
-					       tckmin_x_minus_2_ps);
-					continue;
-				} else {
-					not_ok++;
-				}
-			}
-		}
-
-		if (!not_ok) {
-			lowest_good_caslat = temp2;
-		}
-
-		temp1 &= ~(1 << temp2);
-	}
-
-	debug("lowest common SPD-defined CAS latency = %u\n",
-	       lowest_good_caslat);
-	outpdimm->lowest_common_SPD_caslat = lowest_good_caslat;
-
-
-	/*
-	 * Compute a common 'de-rated' CAS latency.
-	 *
-	 * The strategy here is to find the *highest* dereated cas latency
-	 * with the assumption that all of the DIMMs will support a dereated
-	 * CAS latency higher than or equal to their lowest dereated value.
-	 */
-	temp1 = 0;
-	for (i = 0; i < number_of_dimms; i++) {
-		temp1 = max(temp1, dimm_params[i].caslat_lowest_derated);
-	}
-	outpdimm->highest_common_derated_caslat = temp1;
-	debug("highest common dereated CAS latency = %u\n", temp1);
-#endif /* #if defined(CONFIG_SYS_FSL_DDR3) */
 
 	/* Determine if all DIMMs ECC capable. */
 	temp1 = 1;
@@ -404,14 +451,6 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 	}
 	outpdimm->all_dimms_ecc_capable = temp1;
 
-#ifndef CONFIG_SYS_FSL_DDR3
-	/* FIXME: move to somewhere else to validate. */
-	if (mclk_ps > tckmax_max_ps) {
-		printf("Warning: some of the installed DIMMs "
-				"can not operate this slowly.\n");
-		return 1;
-	}
-#endif
 	/*
 	 * Compute additive latency.
 	 *
@@ -468,27 +507,20 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 	additive_latency = 0;
 
 #if defined(CONFIG_SYS_FSL_DDR2)
-	if (lowest_good_caslat < 4) {
-		additive_latency = (picos_to_mclk(trcd_ps) > lowest_good_caslat)
-			? picos_to_mclk(trcd_ps) - lowest_good_caslat : 0;
+	if ((outpdimm->lowest_common_spd_caslat < 4) &&
+	    (picos_to_mclk(trcd_ps) > outpdimm->lowest_common_spd_caslat)) {
+		additive_latency = picos_to_mclk(trcd_ps) -
+				   outpdimm->lowest_common_spd_caslat;
 		if (mclk_to_picos(additive_latency) > trcd_ps) {
 			additive_latency = picos_to_mclk(trcd_ps);
 			debug("setting additive_latency to %u because it was "
 				" greater than tRCD_ps\n", additive_latency);
 		}
 	}
-
-#elif defined(CONFIG_SYS_FSL_DDR3)
-	/*
-	 * The system will not use the global auto-precharge mode.
-	 * However, it uses the page mode, so we set AL=0
-	 */
-	additive_latency = 0;
 #endif
 
 	/*
 	 * Validate additive latency
-	 * FIXME: move to somewhere else to validate
 	 *
 	 * AL <= tRCD(min)
 	 */
@@ -516,10 +548,19 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
 	debug("trcd_ps   = %u\n", outpdimm->trcd_ps);
 	debug("trp_ps    = %u\n", outpdimm->trp_ps);
 	debug("tras_ps   = %u\n", outpdimm->tras_ps);
-	debug("twr_ps    = %u\n", outpdimm->twr_ps);
+#ifdef CONFIG_SYS_FSL_DDR4
+	debug("trfc1_ps = %u\n", trfc1_ps);
+	debug("trfc2_ps = %u\n", trfc2_ps);
+	debug("trfc4_ps = %u\n", trfc4_ps);
+	debug("trrds_ps = %u\n", trrds_ps);
+	debug("trrdl_ps = %u\n", trrdl_ps);
+	debug("tccdl_ps = %u\n", tccdl_ps);
+#else
 	debug("twtr_ps   = %u\n", outpdimm->twtr_ps);
 	debug("trfc_ps   = %u\n", outpdimm->trfc_ps);
 	debug("trrd_ps   = %u\n", outpdimm->trrd_ps);
+#endif
+	debug("twr_ps    = %u\n", outpdimm->twr_ps);
 	debug("trc_ps    = %u\n", outpdimm->trc_ps);
 
 	return 0;
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index d62ca63..5e001fc 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2012 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
@@ -81,14 +81,37 @@ u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 
 #endif
 
+#define SPD_SPA0_ADDRESS	0x36
+#define SPD_SPA1_ADDRESS	0x37
+
 static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address)
 {
 	int ret;
+#ifdef CONFIG_SYS_FSL_DDR4
+	uint8_t dummy = 0;
+#endif
 
 	i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 
+#ifdef CONFIG_SYS_FSL_DDR4
+	/*
+	 * DDR4 SPD has 384 to 512 bytes
+	 * To access the lower 256 bytes, we need to set EE page address to 0
+	 * To access the upper 256 bytes, we need to set EE page address to 1
+	 * See Jedec standar No. 21-C for detail
+	 */
+	i2c_write(SPD_SPA0_ADDRESS, 0, 1, &dummy, 1);
+	ret = i2c_read(i2c_address, 0, 1, (uchar *)spd, 256);
+	if (!ret) {
+		i2c_write(SPD_SPA1_ADDRESS, 0, 1, &dummy, 1);
+		ret = i2c_read(i2c_address, 0, 1,
+			       (uchar *)((ulong)spd + 256),
+			       min(256, sizeof(generic_spd_eeprom_t) - 256));
+	}
+#else
 	ret = i2c_read(i2c_address, 0, 1, (uchar *)spd,
 				sizeof(generic_spd_eeprom_t));
+#endif
 
 	if (ret) {
 		if (i2c_address ==
@@ -197,6 +220,11 @@ const char * step_to_string(unsigned int step) {
 	if ((1 << s) != step)
 		return step_string_tbl[7];
 
+	if (s >= ARRAY_SIZE(step_string_tbl)) {
+		printf("Error for the step in %s\n", __func__);
+		s = 0;
+	}
+
 	return step_string_tbl[s];
 }
 
@@ -497,6 +525,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
 		/* STEP 5:  Assign addresses to chip selects */
 		check_interleaving_options(pinfo);
 		total_mem = step_assign_addresses(pinfo, dbw_capacity_adjust);
+		debug("Total mem %llu assigned\n", total_mem);
 
 	case STEP_COMPUTE_REGS:
 		/* STEP 6:  compute controller register values */
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
index c805086..4d5572e 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
@@ -15,6 +15,7 @@
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
 
 /*
  * regs has the to-be-set values for DDR controller registers
@@ -43,6 +44,16 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
 	u32 save1, save2;
 #endif
 
+#ifdef CONFIG_DEEP_SLEEP
+	const ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	bool sleep_flag = 0;
+#endif
+
+#ifdef CONFIG_DEEP_SLEEP
+	if (in_be32(&gur->scrtsr[0]) & (1 << 3))
+		sleep_flag = 1;
+#endif
+
 	switch (ctrl_num) {
 	case 0:
 		ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
@@ -119,7 +130,13 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
 	out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0);
 	out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1);
 	out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2);
-	out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+#ifdef CONFIG_DEEP_SLEEP
+	if (sleep_flag)
+		out_be32(&ddr->sdram_cfg_2,
+			 regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
+	else
+#endif
+		out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
 	out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode);
 	out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
 	out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
@@ -132,8 +149,16 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
 	out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval);
 	out_be32(&ddr->sdram_data_init, regs->ddr_data_init);
 	out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
-	out_be32(&ddr->init_addr, regs->ddr_init_addr);
-	out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+#ifdef CONFIG_DEEP_SLEEP
+	if (sleep_flag) {
+		out_be32(&ddr->init_addr, 0);
+		out_be32(&ddr->init_ext_addr, (1 << 31));
+	} else
+#endif
+	{
+		out_be32(&ddr->init_addr, regs->ddr_init_addr);
+		out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+	}
 
 	out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4);
 	out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5);
@@ -374,8 +399,22 @@ step2:
 	udelay(500);
 	asm volatile("sync;isync");
 
+#ifdef CONFIG_DEEP_SLEEP
+	if (sleep_flag) {
+		/* enter self-refresh */
+		setbits_be32(&ddr->sdram_cfg_2, (1 << 31));
+		/* do board specific memory setup */
+		board_mem_sleep_setup();
+	}
+#endif
+
 	/* Let the controller go */
-	temp_sdram_cfg = in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
+#ifdef CONFIG_DEEP_SLEEP
+	if (sleep_flag)
+		temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
+	else
+#endif
+		temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI);
 	out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
 	asm volatile("sync;isync");
 
@@ -526,4 +565,9 @@ step2:
 		clrbits_be32(&ddr->sdram_cfg, 0x2);
 	}
 #endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */
+#ifdef CONFIG_DEEP_SLEEP
+	if (sleep_flag)
+		/* exit self-refresh */
+		clrbits_be32(&ddr->sdram_cfg_2, (1 << 31));
+#endif
 }
diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index b0cf046..5986e1a 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008, 2010-2012 Freescale Semiconductor, Inc.
+ * Copyright 2008, 2010-2014 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -29,7 +29,7 @@ struct dynamic_odt {
 	unsigned int odt_rtt_wr;
 };
 
-#ifdef CONFIG_SYS_FSL_DDR3
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 static const struct dynamic_odt single_Q[4] = {
 	{	/* cs0 */
 		FSL_DDR_ODT_NEVER,
@@ -259,7 +259,7 @@ static const struct dynamic_odt odt_unknown[4] = {
 		DDR3_RTT_OFF
 	}
 };
-#else	/* CONFIG_SYS_FSL_DDR3 */
+#else	/* CONFIG_SYS_FSL_DDR3 || CONFIG_SYS_FSL_DDR4 */
 static const struct dynamic_odt single_Q[4] = {
 	{0, 0, 0, 0},
 	{0, 0, 0, 0},
@@ -507,7 +507,9 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	unsigned int i;
 	char buffer[HWCONFIG_BUFFER_SIZE];
 	char *buf = NULL;
-#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR2)
+#if defined(CONFIG_SYS_FSL_DDR3) || \
+	defined(CONFIG_SYS_FSL_DDR2) || \
+	defined(CONFIG_SYS_FSL_DDR4)
 	const struct dynamic_odt *pdodt = odt_unknown;
 #endif
 	ulong ddr_freq;
@@ -519,73 +521,76 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	if (getenv_f("hwconfig", buffer, sizeof(buffer)) > 0)
 		buf = buffer;
 
-#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR2)
+#if defined(CONFIG_SYS_FSL_DDR3) || \
+	defined(CONFIG_SYS_FSL_DDR2) || \
+	defined(CONFIG_SYS_FSL_DDR4)
 	/* Chip select options. */
-	if (CONFIG_DIMM_SLOTS_PER_CTLR == 1) {
-		switch (pdimm[0].n_ranks) {
-		case 1:
-			pdodt = single_S;
-			break;
+#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
+	switch (pdimm[0].n_ranks) {
+	case 1:
+		pdodt = single_S;
+		break;
+	case 2:
+		pdodt = single_D;
+		break;
+	case 4:
+		pdodt = single_Q;
+		break;
+	}
+#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
+	switch (pdimm[0].n_ranks) {
+#ifdef CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
+	case 4:
+		pdodt = single_Q;
+		if (pdimm[1].n_ranks)
+			printf("Error: Quad- and Dual-rank DIMMs cannot be used together\n");
+		break;
+#endif
+	case 2:
+		switch (pdimm[1].n_ranks) {
 		case 2:
-			pdodt = single_D;
+			pdodt = dual_DD;
 			break;
-		case 4:
-			pdodt = single_Q;
+		case 1:
+			pdodt = dual_DS;
 			break;
-		}
-	} else if (CONFIG_DIMM_SLOTS_PER_CTLR == 2) {
-		switch (pdimm[0].n_ranks) {
-#ifdef CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
-		case 4:
-			pdodt = single_Q;
-			if (pdimm[1].n_ranks)
-				printf("Error: Quad- and Dual-rank DIMMs "
-					"cannot be used together\n");
+		case 0:
+			pdodt = dual_D0;
 			break;
-#endif
+		}
+		break;
+	case 1:
+		switch (pdimm[1].n_ranks) {
 		case 2:
-			switch (pdimm[1].n_ranks) {
-			case 2:
-				pdodt = dual_DD;
-				break;
-			case 1:
-				pdodt = dual_DS;
-				break;
-			case 0:
-				pdodt = dual_D0;
-				break;
-			}
+			pdodt = dual_SD;
 			break;
 		case 1:
-			switch (pdimm[1].n_ranks) {
-			case 2:
-				pdodt = dual_SD;
-				break;
-			case 1:
-				pdodt = dual_SS;
-				break;
-			case 0:
-				pdodt = dual_S0;
-				break;
-			}
+			pdodt = dual_SS;
 			break;
 		case 0:
-			switch (pdimm[1].n_ranks) {
-			case 2:
-				pdodt = dual_0D;
-				break;
-			case 1:
-				pdodt = dual_0S;
-				break;
-			}
+			pdodt = dual_S0;
+			break;
+		}
+		break;
+	case 0:
+		switch (pdimm[1].n_ranks) {
+		case 2:
+			pdodt = dual_0D;
+			break;
+		case 1:
+			pdodt = dual_0S;
 			break;
 		}
+		break;
 	}
-#endif
+#endif	/* CONFIG_DIMM_SLOTS_PER_CTLR */
+#endif	/* CONFIG_SYS_FSL_DDR2, 3, 4 */
 
 	/* Pick chip-select local options. */
 	for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
-#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR2)
+#if defined(CONFIG_SYS_FSL_DDR3) || \
+	defined(CONFIG_SYS_FSL_DDR2) || \
+	defined(CONFIG_SYS_FSL_DDR4)
 		popts->cs_local_opts[i].odt_rd_cfg = pdodt[i].odt_rd_cfg;
 		popts->cs_local_opts[i].odt_wr_cfg = pdodt[i].odt_wr_cfg;
 		popts->cs_local_opts[i].odt_rtt_norm = pdodt[i].odt_rtt_norm;
@@ -703,7 +708,7 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	popts->x4_en = (pdimm[0].device_width == 4) ? 1 : 0;
 
 	/* Choose burst length. */
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 #if defined(CONFIG_E500MC)
 	popts->otf_burst_chop_en = 0;	/* on-the-fly burst chop disable */
 	popts->burst_length = DDR_BL8;	/* Fixed 8-beat burst len */
@@ -722,7 +727,7 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 #endif
 
 	/* Choose ddr controller address mirror mode */
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	popts->mirrored_dimm = pdimm[0].mirrored_dimm;
 #endif
 
@@ -766,11 +771,9 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	 * BSTTOPRE precharge interval
 	 *
 	 * Set this to 0 for global auto precharge
-	 *
-	 * FIXME: Should this be configured in picoseconds?
-	 * Why it should be in ps:  better understanding of this
-	 * relative to actual DRAM timing parameters such as tRAS.
-	 * e.g. tRAS(min) = 40 ns
+	 * The value of 0x100 has been used for DDR1, DDR2, DDR3.
+	 * It is not wrong. Any value should be OK. The performance depends on
+	 * applications. There is no one good value for all.
 	 */
 	popts->bstopre = 0x100;
 
@@ -795,12 +798,12 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	 */
 	popts->tfaw_window_four_activates_ps = 37500;
 
-#elif defined(CONFIG_SYS_FSL_DDR3)
+#else
 	popts->tfaw_window_four_activates_ps = pdimm[0].tfaw_ps;
 #endif
 	popts->zq_en = 0;
 	popts->wrlvl_en = 0;
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 	/*
 	 * due to ddr3 dimm is fly-by topology
 	 * we suggest to enable write leveling to
@@ -843,8 +846,7 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 	popts->memctl_interleaving_mode = FSL_DDR_256B_INTERLEAVING;
 	popts->memctl_interleaving = 1;
 	debug("256 Byte interleaving\n");
-	goto done;
-#endif
+#else
 	/*
 	 * test null first. if CONFIG_HWCONFIG is not defined
 	 * hwconfig_arg_cmp returns non-zero
@@ -926,8 +928,9 @@ unsigned int populate_memctl_options(int all_dimms_registered,
 		popts->memctl_interleaving = 0;
 		printf("hwconfig has unrecognized parameter for ctlr_intlv.\n");
 	}
+#endif	/* CONFIG_SYS_FSL_DDR_INTLV_256B */
 done:
-#endif
+#endif /* CONFIG_NUM_DDR_CONTROLLERS > 1 */
 	if ((hwconfig_sub_f("fsl_ddr", "bank_intlv", buf)) &&
 		(CONFIG_CHIP_SELECTS_PER_CTRL > 1)) {
 		/* test null first. if CONFIG_HWCONFIG is not defined,
@@ -1102,10 +1105,11 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo)
 		case FSL_DDR_PAGE_INTERLEAVING:
 		case FSL_DDR_BANK_INTERLEAVING:
 		case FSL_DDR_SUPERBANK_INTERLEAVING:
-			if (3 == CONFIG_NUM_DDR_CONTROLLERS)
+#if (3 == CONFIG_NUM_DDR_CONTROLLERS)
 				k = 2;
-			else
+#else
 				k = CONFIG_NUM_DDR_CONTROLLERS;
+#endif
 			break;
 		case FSL_DDR_3WAY_1KB_INTERLEAVING:
 		case FSL_DDR_3WAY_4KB_INTERLEAVING:
diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c
index ad53658..7a22aa3 100644
--- a/drivers/ddr/fsl/util.c
+++ b/drivers/ddr/fsl/util.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2012 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
@@ -23,6 +23,18 @@
 
 #define ULL_8FS 0xFFFFFFFFULL
 
+u32 fsl_ddr_get_version(void)
+{
+	struct ccsr_ddr __iomem *ddr;
+	u32 ver_major_minor_errata;
+
+	ddr = (void *)_DDR_ADDR;
+	ver_major_minor_errata = (ddr_in32(&ddr->ip_rev1) & 0xFFFF) << 8;
+	ver_major_minor_errata |= (ddr_in32(&ddr->ip_rev2) & 0xFF00) >> 8;
+
+	return ver_major_minor_errata;
+}
+
 /*
  * Round up mclk_ps to nearest 1 ps in memory controller code
  * if the error is 0.5ps or more.
@@ -175,6 +187,9 @@ void board_add_ram_info(int use_default)
 	case SDRAM_TYPE_DDR3:
 		puts("3");
 		break;
+	case SDRAM_TYPE_DDR4:
+		puts("4");
+		break;
 	default:
 		puts("?");
 		break;
@@ -188,9 +203,12 @@ void board_add_ram_info(int use_default)
 		puts(", 64-bit");
 
 	/* Calculate CAS latency based on timing cfg values */
-	cas_lat = ((ddr_in32(&ddr->timing_cfg_1) >> 16) & 0xf) + 1;
-	if ((ddr_in32(&ddr->timing_cfg_3) >> 12) & 1)
-		cas_lat += (8 << 1);
+	cas_lat = ((ddr_in32(&ddr->timing_cfg_1) >> 16) & 0xf);
+	if (fsl_ddr_get_version() <= 0x40400)
+		cas_lat += 1;
+	else
+		cas_lat += 2;
+	cas_lat += ((ddr_in32(&ddr->timing_cfg_3) >> 12) & 3) << 4;
 	printf(", CL=%d", cas_lat >> 1);
 	if (cas_lat & 0x1)
 		puts(".5");
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 8a09aaf..51b1026 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -219,7 +219,7 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
 			ret = tret;
 	}
 
-	return ret = 0 ? size : ret;
+	return ret;
 }
 
 static int dfu_read_buffer_fill(struct dfu_entity *dfu, void *buf, int size)
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 651cfff..5e10ea7 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -184,66 +184,95 @@ int dfu_read_medium_mmc(struct dfu_entity *dfu, u64 offset, void *buf,
 	return ret;
 }
 
+/*
+ * @param s Parameter string containing space-separated arguments:
+ *	1st:
+ *		raw	(raw read/write)
+ *		fat	(files)
+ *		ext4	(^)
+ *		part	(partition image)
+ *	2nd and 3rd:
+ *		lba_start and lba_size, for raw write
+ *		mmc_dev and mmc_part, for filesystems and part
+ */
 int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
 {
-	int dev, part;
-	struct mmc *mmc;
-	block_dev_desc_t *blk_dev;
-	disk_partition_t partinfo;
-	char *st;
-
-	dfu->dev_type = DFU_DEV_MMC;
-	st = strsep(&s, " ");
-	if (!strcmp(st, "mmc")) {
-		dfu->layout = DFU_RAW_ADDR;
-		dfu->data.mmc.lba_start = simple_strtoul(s, &s, 16);
-		dfu->data.mmc.lba_size = simple_strtoul(++s, &s, 16);
-		dfu->data.mmc.lba_blk_size = get_mmc_blk_size(dfu->dev_num);
-	} else if (!strcmp(st, "fat")) {
-		dfu->layout = DFU_FS_FAT;
-	} else if (!strcmp(st, "ext4")) {
-		dfu->layout = DFU_FS_EXT4;
-	} else if (!strcmp(st, "part")) {
+	const char *entity_type;
+	size_t second_arg;
+	size_t third_arg;
 
-		dfu->layout = DFU_RAW_ADDR;
+	struct mmc *mmc;
 
-		dev = simple_strtoul(s, &s, 10);
-		s++;
-		part = simple_strtoul(s, &s, 10);
+	const char *argv[3];
+	const char **parg = argv;
 
-		mmc = find_mmc_device(dev);
-		if (mmc == NULL || mmc_init(mmc)) {
-			printf("%s: could not find mmc device #%d!\n",
-			       __func__, dev);
+	for (; parg < argv + sizeof(argv) / sizeof(*argv); ++parg) {
+		*parg = strsep(&s, " ");
+		if (*parg == NULL) {
+			error("Invalid number of arguments.\n");
 			return -ENODEV;
 		}
+	}
+
+	entity_type = argv[0];
+	/*
+	 * Base 0 means we'll accept (prefixed with 0x or 0) base 16, 8,
+	 * with default 10.
+	 */
+	second_arg = simple_strtoul(argv[1], NULL, 0);
+	third_arg = simple_strtoul(argv[2], NULL, 0);
 
-		blk_dev = &mmc->block_dev;
-		if (get_partition_info(blk_dev, part, &partinfo) != 0) {
-			printf("%s: could not find partition #%d on mmc device #%d!\n",
-			       __func__, part, dev);
+	mmc = find_mmc_device(dfu->dev_num);
+	if (mmc == NULL) {
+		error("Couldn't find MMC device no. %d.\n", dfu->dev_num);
+		return -ENODEV;
+	}
+
+	if (mmc_init(mmc)) {
+		error("Couldn't init MMC device.\n");
+		return -ENODEV;
+	}
+
+	if (!strcmp(entity_type, "raw")) {
+		dfu->layout			= DFU_RAW_ADDR;
+		dfu->data.mmc.lba_start		= second_arg;
+		dfu->data.mmc.lba_size		= third_arg;
+		dfu->data.mmc.lba_blk_size	= mmc->read_bl_len;
+	} else if (!strcmp(entity_type, "part")) {
+		disk_partition_t partinfo;
+		block_dev_desc_t *blk_dev = &mmc->block_dev;
+		int mmcdev = second_arg;
+		int mmcpart = third_arg;
+
+		if (get_partition_info(blk_dev, mmcpart, &partinfo) != 0) {
+			error("Couldn't find part #%d on mmc device #%d\n",
+			      mmcpart, mmcdev);
 			return -ENODEV;
 		}
 
-		dfu->data.mmc.lba_start = partinfo.start;
-		dfu->data.mmc.lba_size = partinfo.size;
-		dfu->data.mmc.lba_blk_size = partinfo.blksz;
-
+		dfu->layout			= DFU_RAW_ADDR;
+		dfu->data.mmc.lba_start		= partinfo.start;
+		dfu->data.mmc.lba_size		= partinfo.size;
+		dfu->data.mmc.lba_blk_size	= partinfo.blksz;
+	} else if (!strcmp(entity_type, "fat")) {
+		dfu->layout = DFU_FS_FAT;
+	} else if (!strcmp(entity_type, "ext4")) {
+		dfu->layout = DFU_FS_EXT4;
 	} else {
-		printf("%s: Memory layout (%s) not supported!\n", __func__, st);
+		error("Memory layout (%s) not supported!\n", entity_type);
 		return -ENODEV;
 	}
 
-	if (dfu->layout == DFU_FS_EXT4 || dfu->layout == DFU_FS_FAT) {
-		dfu->data.mmc.dev = simple_strtoul(s, &s, 10);
-		dfu->data.mmc.part = simple_strtoul(++s, &s, 10);
+	/* if it's NOT a raw write */
+	if (strcmp(entity_type, "raw")) {
+		dfu->data.mmc.dev = second_arg;
+		dfu->data.mmc.part = third_arg;
 	}
 
+	dfu->dev_type = DFU_DEV_MMC;
 	dfu->read_medium = dfu_read_medium_mmc;
 	dfu->write_medium = dfu_write_medium_mmc;
 	dfu->flush_medium = dfu_flush_medium_mmc;
-
-	/* initial state */
 	dfu->inited = 0;
 
 	return 0;
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index 291ad94..aa159f8 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -423,18 +423,45 @@ fsl_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr, int alen, u8 *data,
 	struct fsl_i2c *device = (struct fsl_i2c *)i2c_dev[adap->hwadapnr];
 	int i = -1; /* signal error */
 	u8 *a = (u8*)&addr;
+	int len = alen * -1;
 
 	if (i2c_wait4bus(adap) < 0)
 		return -1;
 
-	if ((!length || alen > 0)
-	    && i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0
-	    && __i2c_write(adap, &a[4 - alen], alen) == alen)
-		i = 0; /* No error so far */
+	/* To handle the need of I2C devices that require to write few bytes
+	 * (more than 4 bytes of address as in the case of else part)
+	 * of data before reading, Negative equivalent of length(bytes to write)
+	 * is passed, but used the +ve part of len for writing data
+	 */
+	if (alen < 0) {
+		/* Generate a START and send the Address and
+		 * the Tx Bytes to the slave.
+		 * "START: Address: Write bytes data[len]"
+		 * IF part supports writing any number of bytes in contrast
+		 * to the else part, which supports writing address offset
+		 * of upto 4 bytes only.
+		 * bytes that need to be written are passed in
+		 * "data", which will eventually keep the data READ,
+		 * after writing the len bytes out of it
+		 */
+		if (i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0)
+			i = __i2c_write(adap, data, len);
+
+		if (i != len)
+			return -1;
 
-	if (length &&
-	    i2c_write_addr(adap, dev, I2C_READ_BIT, alen ? 1 : 0) != 0)
-		i = __i2c_read(adap, data, length);
+		if (length && i2c_write_addr(adap, dev, I2C_READ_BIT, 1) != 0)
+			i = __i2c_read(adap, data, length);
+	} else {
+		if ((!length || alen > 0) &&
+		    i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0  &&
+		    __i2c_write(adap, &a[4 - alen], alen) == alen)
+			i = 0; /* No error so far */
+
+		if (length &&
+		    i2c_write_addr(adap, dev, I2C_READ_BIT, alen ? 1 : 0) != 0)
+			i = __i2c_read(adap, data, length);
+	}
 
 	writeb(I2C_CR_MEN, &device->cr);
 
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 595019b..48468d7 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -22,6 +22,8 @@
 #include <i2c.h>
 #include <watchdog.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #ifdef I2C_QUIRK_REG
 struct mxc_i2c_regs {
 	uint8_t		iadr;
@@ -411,12 +413,6 @@ struct sram_data {
 	struct i2c_parms i2c_data[3];
 };
 
-/*
- * For SPL boot some boards need i2c before SDRAM is initialized so force
- * variables to live in SRAM
- */
-static struct sram_data __attribute__((section(".data"))) srdata;
-
 static void * const i2c_bases[] = {
 #if defined(CONFIG_MX25)
 	(void *)IMX_I2C_BASE,
@@ -445,9 +441,10 @@ void *i2c_get_base(struct i2c_adapter *adap)
 
 static struct i2c_parms *i2c_get_parms(void *base)
 {
+	struct sram_data *srdata = (void *)gd->srdata;
 	int i = 0;
-	struct i2c_parms *p = srdata.i2c_data;
-	while (i < ARRAY_SIZE(srdata.i2c_data)) {
+	struct i2c_parms *p = srdata->i2c_data;
+	while (i < ARRAY_SIZE(srdata->i2c_data)) {
 		if (p->base == base)
 			return p;
 		p++;
@@ -490,8 +487,9 @@ static int mxc_i2c_probe(struct i2c_adapter *adap, uint8_t chip)
 void bus_i2c_init(void *base, int speed, int unused,
 		int (*idle_bus_fn)(void *p), void *idle_bus_data)
 {
+	struct sram_data *srdata = (void *)gd->srdata;
 	int i = 0;
-	struct i2c_parms *p = srdata.i2c_data;
+	struct i2c_parms *p = srdata->i2c_data;
 	if (!base)
 		return;
 	for (;;) {
@@ -505,7 +503,7 @@ void bus_i2c_init(void *base, int speed, int unused,
 		}
 		p++;
 		i++;
-		if (i >= ARRAY_SIZE(srdata.i2c_data))
+		if (i >= ARRAY_SIZE(srdata->i2c_data))
 			return;
 	}
 	bus_i2c_set_bus_speed(base, speed);
diff --git a/drivers/misc/fsl_ifc.c b/drivers/misc/fsl_ifc.c
index be61973..3902e9f 100644
--- a/drivers/misc/fsl_ifc.c
+++ b/drivers/misc/fsl_ifc.c
@@ -162,3 +162,10 @@ void init_early_memctl_regs(void)
 	set_ifc_csor(IFC_CS7, CONFIG_SYS_CSOR7);
 #endif
 }
+
+void init_final_memctl_regs(void)
+{
+#ifdef CONFIG_SYS_CSPR0_FINAL
+	set_ifc_cspr(IFC_CS0, CONFIG_SYS_CSPR0_FINAL);
+#endif
+}
diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index 8fc263f..b1cb4b3 100644
--- a/drivers/mmc/fsl_esdhc_spl.c
+++ b/drivers/mmc/fsl_esdhc_spl.c
@@ -19,6 +19,32 @@
 #define MBRDBR_BOOT_SIG_AA	0x1ff
 #define CONFIG_CFG_DATA_SECTOR	0
 
+
+void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst)
+{
+	uint blk_start, blk_cnt, err;
+
+	struct mmc *mmc = find_mmc_device(0);
+	if (!mmc) {
+		puts("spl: mmc device not found!!\n");
+		hang();
+	}
+
+	if (mmc_init(mmc)) {
+		puts("MMC init failed\n");
+		return;
+	}
+
+	blk_start = ALIGN(offs, mmc->read_bl_len) / mmc->read_bl_len;
+	blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+
+	err = mmc->block_dev.block_read(0, blk_start, blk_cnt, vdst);
+	if (err != blk_cnt) {
+		puts("spl: mmc read failed!!\n");
+		hang();
+	}
+}
+
 /*
  * The main entry for mmc booting. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-Boot image
@@ -29,10 +55,12 @@ void __noreturn mmc_boot(void)
 {
 	__attribute__((noreturn)) void (*uboot)(void);
 	uint blk_start, blk_cnt, err;
-	u32 blklen;
+#ifndef CONFIG_FSL_CORENET
 	uchar *tmp_buf;
+	u32 blklen;
 	uchar val;
 	uint i, byte_num;
+#endif
 	u32 offset, code_len;
 	struct mmc *mmc;
 
@@ -102,7 +130,9 @@ void __noreturn mmc_boot(void)
 					(uchar *)CONFIG_SYS_MMC_U_BOOT_DST);
 	if (err != blk_cnt) {
 		puts("spl: mmc read failed!!\n");
+#ifndef CONFIG_FSL_CORENET
 		free(tmp_buf);
+#endif
 		hang();
 	}
 
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
deleted file mode 100644
index 4cd741e..0000000
--- a/drivers/mtd/nand/diskonchip.c
+++ /dev/null
@@ -1,1780 +0,0 @@
-/*
- * drivers/mtd/nand/diskonchip.c
- *
- * (C) 2003 Red Hat, Inc.
- * (C) 2004 Dan Brown <dan_brown@ieee.org>
- * (C) 2004 Kalev Lember <kalev@smartlink.ee>
- *
- * Author: David Woodhouse <dwmw2@infradead.org>
- * Additional Diskonchip 2000 and Millennium support by Dan Brown <dan_brown@ieee.org>
- * Diskonchip Millennium Plus support by Kalev Lember <kalev@smartlink.ee>
- *
- * Error correction code lifted from the old docecc code
- * Author: Fabrice Bellard (fabrice.bellard@netgem.com)
- * Copyright (C) 2000 Netgem S.A.
- * converted to the generic Reed-Solomon library by Thomas Gleixner <tglx@linutronix.de>
- *
- * Interface to generic NAND code for M-Systems DiskOnChip devices
- */
-
-#include <common.h>
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/rslib.h>
-#include <linux/moduleparam.h>
-#include <asm/io.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/doc2000.h>
-#include <linux/mtd/compatmac.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/inftl.h>
-
-/* Where to look for the devices? */
-#ifndef CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS
-#define CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS 0
-#endif
-
-static unsigned long __initdata doc_locations[] = {
-#if defined (__alpha__) || defined(__i386__) || defined(__x86_64__)
-#ifdef CONFIG_MTD_NAND_DISKONCHIP_PROBE_HIGH
-	0xfffc8000, 0xfffca000, 0xfffcc000, 0xfffce000,
-	0xfffd0000, 0xfffd2000, 0xfffd4000, 0xfffd6000,
-	0xfffd8000, 0xfffda000, 0xfffdc000, 0xfffde000,
-	0xfffe0000, 0xfffe2000, 0xfffe4000, 0xfffe6000,
-	0xfffe8000, 0xfffea000, 0xfffec000, 0xfffee000,
-#else /*  CONFIG_MTD_DOCPROBE_HIGH */
-	0xc8000, 0xca000, 0xcc000, 0xce000,
-	0xd0000, 0xd2000, 0xd4000, 0xd6000,
-	0xd8000, 0xda000, 0xdc000, 0xde000,
-	0xe0000, 0xe2000, 0xe4000, 0xe6000,
-	0xe8000, 0xea000, 0xec000, 0xee000,
-#endif /*  CONFIG_MTD_DOCPROBE_HIGH */
-#else
-#warning Unknown architecture for DiskOnChip. No default probe locations defined
-#endif
-	0xffffffff };
-
-static struct mtd_info *doclist = NULL;
-
-struct doc_priv {
-	void __iomem *virtadr;
-	unsigned long physadr;
-	u_char ChipID;
-	u_char CDSNControl;
-	int chips_per_floor;	/* The number of chips detected on each floor */
-	int curfloor;
-	int curchip;
-	int mh0_page;
-	int mh1_page;
-	struct mtd_info *nextdoc;
-};
-
-/* This is the syndrome computed by the HW ecc generator upon reading an empty
-   page, one with all 0xff for data and stored ecc code. */
-static u_char empty_read_syndrome[6] = { 0x26, 0xff, 0x6d, 0x47, 0x73, 0x7a };
-
-/* This is the ecc value computed by the HW ecc generator upon writing an empty
-   page, one with all 0xff for data. */
-static u_char empty_write_ecc[6] = { 0x4b, 0x00, 0xe2, 0x0e, 0x93, 0xf7 };
-
-#define INFTL_BBT_RESERVED_BLOCKS 4
-
-#define DoC_is_MillenniumPlus(doc) ((doc)->ChipID == DOC_ChipID_DocMilPlus16 || (doc)->ChipID == DOC_ChipID_DocMilPlus32)
-#define DoC_is_Millennium(doc) ((doc)->ChipID == DOC_ChipID_DocMil)
-#define DoC_is_2000(doc) ((doc)->ChipID == DOC_ChipID_Doc2k)
-
-static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd,
-			      unsigned int bitmask);
-static void doc200x_select_chip(struct mtd_info *mtd, int chip);
-
-static int debug = 0;
-module_param(debug, int, 0);
-
-static int try_dword = 1;
-module_param(try_dword, int, 0);
-
-static int no_ecc_failures = 0;
-module_param(no_ecc_failures, int, 0);
-
-static int no_autopart = 0;
-module_param(no_autopart, int, 0);
-
-static int show_firmware_partition = 0;
-module_param(show_firmware_partition, int, 0);
-
-#ifdef CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE
-static int inftl_bbt_write = 1;
-#else
-static int inftl_bbt_write = 0;
-#endif
-module_param(inftl_bbt_write, int, 0);
-
-static unsigned long doc_config_location = CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS;
-module_param(doc_config_location, ulong, 0);
-MODULE_PARM_DESC(doc_config_location, "Physical memory address at which to probe for DiskOnChip");
-
-/* Sector size for HW ECC */
-#define SECTOR_SIZE 512
-/* The sector bytes are packed into NB_DATA 10 bit words */
-#define NB_DATA (((SECTOR_SIZE + 1) * 8 + 6) / 10)
-/* Number of roots */
-#define NROOTS 4
-/* First consective root */
-#define FCR 510
-/* Number of symbols */
-#define NN 1023
-
-/* the Reed Solomon control structure */
-static struct rs_control *rs_decoder;
-
-/*
- * The HW decoder in the DoC ASIC's provides us a error syndrome,
- * which we must convert to a standard syndrome usable by the generic
- * Reed-Solomon library code.
- *
- * Fabrice Bellard figured this out in the old docecc code. I added
- * some comments, improved a minor bit and converted it to make use
- * of the generic Reed-Solomon libary. tglx
- */
-static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
-{
-	int i, j, nerr, errpos[8];
-	uint8_t parity;
-	uint16_t ds[4], s[5], tmp, errval[8], syn[4];
-
-	/* Convert the ecc bytes into words */
-	ds[0] = ((ecc[4] & 0xff) >> 0) | ((ecc[5] & 0x03) << 8);
-	ds[1] = ((ecc[5] & 0xfc) >> 2) | ((ecc[2] & 0x0f) << 6);
-	ds[2] = ((ecc[2] & 0xf0) >> 4) | ((ecc[3] & 0x3f) << 4);
-	ds[3] = ((ecc[3] & 0xc0) >> 6) | ((ecc[0] & 0xff) << 2);
-	parity = ecc[1];
-
-	/* Initialize the syndrome buffer */
-	for (i = 0; i < NROOTS; i++)
-		s[i] = ds[0];
-	/*
-	 *  Evaluate
-	 *  s[i] = ds[3]x^3 + ds[2]x^2 + ds[1]x^1 + ds[0]
-	 *  where x = alpha^(FCR + i)
-	 */
-	for (j = 1; j < NROOTS; j++) {
-		if (ds[j] == 0)
-			continue;
-		tmp = rs->index_of[ds[j]];
-		for (i = 0; i < NROOTS; i++)
-			s[i] ^= rs->alpha_to[rs_modnn(rs, tmp + (FCR + i) * j)];
-	}
-
-	/* Calc s[i] = s[i] / alpha^(v + i) */
-	for (i = 0; i < NROOTS; i++) {
-		if (syn[i])
-			syn[i] = rs_modnn(rs, rs->index_of[s[i]] + (NN - FCR - i));
-	}
-	/* Call the decoder library */
-	nerr = decode_rs16(rs, NULL, NULL, 1019, syn, 0, errpos, 0, errval);
-
-	/* Incorrectable errors ? */
-	if (nerr < 0)
-		return nerr;
-
-	/*
-	 * Correct the errors. The bitpositions are a bit of magic,
-	 * but they are given by the design of the de/encoder circuit
-	 * in the DoC ASIC's.
-	 */
-	for (i = 0; i < nerr; i++) {
-		int index, bitpos, pos = 1015 - errpos[i];
-		uint8_t val;
-		if (pos >= NB_DATA && pos < 1019)
-			continue;
-		if (pos < NB_DATA) {
-			/* extract bit position (MSB first) */
-			pos = 10 * (NB_DATA - 1 - pos) - 6;
-			/* now correct the following 10 bits. At most two bytes
-			   can be modified since pos is even */
-			index = (pos >> 3) ^ 1;
-			bitpos = pos & 7;
-			if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) {
-				val = (uint8_t) (errval[i] >> (2 + bitpos));
-				parity ^= val;
-				if (index < SECTOR_SIZE)
-					data[index] ^= val;
-			}
-			index = ((pos >> 3) + 1) ^ 1;
-			bitpos = (bitpos + 10) & 7;
-			if (bitpos == 0)
-				bitpos = 8;
-			if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) {
-				val = (uint8_t) (errval[i] << (8 - bitpos));
-				parity ^= val;
-				if (index < SECTOR_SIZE)
-					data[index] ^= val;
-			}
-		}
-	}
-	/* If the parity is wrong, no rescue possible */
-	return parity ? -EBADMSG : nerr;
-}
-
-static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
-{
-	volatile char dummy;
-	int i;
-
-	for (i = 0; i < cycles; i++) {
-		if (DoC_is_Millennium(doc))
-			dummy = ReadDOC(doc->virtadr, NOP);
-		else if (DoC_is_MillenniumPlus(doc))
-			dummy = ReadDOC(doc->virtadr, Mplus_NOP);
-		else
-			dummy = ReadDOC(doc->virtadr, DOCStatus);
-	}
-
-}
-
-#define CDSN_CTRL_FR_B_MASK	(CDSN_CTRL_FR_B0 | CDSN_CTRL_FR_B1)
-
-/* DOC_WaitReady: Wait for RDY line to be asserted by the flash chip */
-static int _DoC_WaitReady(struct doc_priv *doc)
-{
-	void __iomem *docptr = doc->virtadr;
-	unsigned long timeo = jiffies + (HZ * 10);
-
-	if (debug)
-		printk("_DoC_WaitReady...\n");
-	/* Out-of-line routine to wait for chip response */
-	if (DoC_is_MillenniumPlus(doc)) {
-		while ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) {
-			if (time_after(jiffies, timeo)) {
-				printk("_DoC_WaitReady timed out.\n");
-				return -EIO;
-			}
-			udelay(1);
-			cond_resched();
-		}
-	} else {
-		while (!(ReadDOC(docptr, CDSNControl) & CDSN_CTRL_FR_B)) {
-			if (time_after(jiffies, timeo)) {
-				printk("_DoC_WaitReady timed out.\n");
-				return -EIO;
-			}
-			udelay(1);
-			cond_resched();
-		}
-	}
-
-	return 0;
-}
-
-static inline int DoC_WaitReady(struct doc_priv *doc)
-{
-	void __iomem *docptr = doc->virtadr;
-	int ret = 0;
-
-	if (DoC_is_MillenniumPlus(doc)) {
-		DoC_Delay(doc, 4);
-
-		if ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK)
-			/* Call the out-of-line routine to wait */
-			ret = _DoC_WaitReady(doc);
-	} else {
-		DoC_Delay(doc, 4);
-
-		if (!(ReadDOC(docptr, CDSNControl) & CDSN_CTRL_FR_B))
-			/* Call the out-of-line routine to wait */
-			ret = _DoC_WaitReady(doc);
-		DoC_Delay(doc, 2);
-	}
-
-	if (debug)
-		printk("DoC_WaitReady OK\n");
-	return ret;
-}
-
-static void doc2000_write_byte(struct mtd_info *mtd, u_char datum)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	if (debug)
-		printk("write_byte %02x\n", datum);
-	WriteDOC(datum, docptr, CDSNSlowIO);
-	WriteDOC(datum, docptr, 2k_CDSN_IO);
-}
-
-static u_char doc2000_read_byte(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	u_char ret;
-
-	ReadDOC(docptr, CDSNSlowIO);
-	DoC_Delay(doc, 2);
-	ret = ReadDOC(docptr, 2k_CDSN_IO);
-	if (debug)
-		printk("read_byte returns %02x\n", ret);
-	return ret;
-}
-
-static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-	if (debug)
-		printk("writebuf of %d bytes: ", len);
-	for (i = 0; i < len; i++) {
-		WriteDOC_(buf[i], docptr, DoC_2k_CDSN_IO + i);
-		if (debug && i < 16)
-			printk("%02x ", buf[i]);
-	}
-	if (debug)
-		printk("\n");
-}
-
-static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	if (debug)
-		printk("readbuf of %d bytes: ", len);
-
-	for (i = 0; i < len; i++) {
-		buf[i] = ReadDOC(docptr, 2k_CDSN_IO + i);
-	}
-}
-
-static void doc2000_readbuf_dword(struct mtd_info *mtd,
-			    u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	if (debug)
-		printk("readbuf_dword of %d bytes: ", len);
-
-	if (unlikely((((unsigned long)buf) | len) & 3)) {
-		for (i = 0; i < len; i++) {
-			*(uint8_t *) (&buf[i]) = ReadDOC(docptr, 2k_CDSN_IO + i);
-		}
-	} else {
-		for (i = 0; i < len; i += 4) {
-			*(uint32_t*) (&buf[i]) = readl(docptr + DoC_2k_CDSN_IO + i);
-		}
-	}
-}
-
-static int doc2000_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	for (i = 0; i < len; i++)
-		if (buf[i] != ReadDOC(docptr, 2k_CDSN_IO))
-			return -EFAULT;
-	return 0;
-}
-
-static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	uint16_t ret;
-
-	doc200x_select_chip(mtd, nr);
-	doc200x_hwcontrol(mtd, NAND_CMD_READID,
-			  NAND_CTRL_CLE | NAND_CTRL_CHANGE);
-	doc200x_hwcontrol(mtd, 0, NAND_CTRL_ALE | NAND_CTRL_CHANGE);
-	doc200x_hwcontrol(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
-
-	/* We cant' use dev_ready here, but at least we wait for the
-	 * command to complete
-	 */
-	udelay(50);
-
-	ret = this->read_byte(mtd) << 8;
-	ret |= this->read_byte(mtd);
-
-	if (doc->ChipID == DOC_ChipID_Doc2k && try_dword && !nr) {
-		/* First chip probe. See if we get same results by 32-bit access */
-		union {
-			uint32_t dword;
-			uint8_t byte[4];
-		} ident;
-		void __iomem *docptr = doc->virtadr;
-
-		doc200x_hwcontrol(mtd, NAND_CMD_READID,
-				  NAND_CTRL_CLE | NAND_CTRL_CHANGE);
-		doc200x_hwcontrol(mtd, 0, NAND_CTRL_ALE | NAND_CTRL_CHANGE);
-		doc200x_hwcontrol(mtd, NAND_CMD_NONE,
-				  NAND_NCE | NAND_CTRL_CHANGE);
-
-		udelay(50);
-
-		ident.dword = readl(docptr + DoC_2k_CDSN_IO);
-		if (((ident.byte[0] << 8) | ident.byte[1]) == ret) {
-			printk(KERN_INFO "DiskOnChip 2000 responds to DWORD access\n");
-			this->read_buf = &doc2000_readbuf_dword;
-		}
-	}
-
-	return ret;
-}
-
-static void __init doc2000_count_chips(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	uint16_t mfrid;
-	int i;
-
-	/* Max 4 chips per floor on DiskOnChip 2000 */
-	doc->chips_per_floor = 4;
-
-	/* Find out what the first chip is */
-	mfrid = doc200x_ident_chip(mtd, 0);
-
-	/* Find how many chips in each floor. */
-	for (i = 1; i < 4; i++) {
-		if (doc200x_ident_chip(mtd, i) != mfrid)
-			break;
-	}
-	doc->chips_per_floor = i;
-	printk(KERN_DEBUG "Detected %d chips per floor.\n", i);
-}
-
-static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this)
-{
-	struct doc_priv *doc = this->priv;
-
-	int status;
-
-	DoC_WaitReady(doc);
-	this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
-	DoC_WaitReady(doc);
-	status = (int)this->read_byte(mtd);
-
-	return status;
-}
-
-static void doc2001_write_byte(struct mtd_info *mtd, u_char datum)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	WriteDOC(datum, docptr, CDSNSlowIO);
-	WriteDOC(datum, docptr, Mil_CDSN_IO);
-	WriteDOC(datum, docptr, WritePipeTerm);
-}
-
-static u_char doc2001_read_byte(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	/*ReadDOC(docptr, CDSNSlowIO); */
-	/* 11.4.5 -- delay twice to allow extended length cycle */
-	DoC_Delay(doc, 2);
-	ReadDOC(docptr, ReadPipeInit);
-	/*return ReadDOC(docptr, Mil_CDSN_IO); */
-	return ReadDOC(docptr, LastDataRead);
-}
-
-static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	for (i = 0; i < len; i++)
-		WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
-	/* Terminate write pipeline */
-	WriteDOC(0x00, docptr, WritePipeTerm);
-}
-
-static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	/* Start read pipeline */
-	ReadDOC(docptr, ReadPipeInit);
-
-	for (i = 0; i < len - 1; i++)
-		buf[i] = ReadDOC(docptr, Mil_CDSN_IO + (i & 0xff));
-
-	/* Terminate read pipeline */
-	buf[i] = ReadDOC(docptr, LastDataRead);
-}
-
-static int doc2001_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	/* Start read pipeline */
-	ReadDOC(docptr, ReadPipeInit);
-
-	for (i = 0; i < len - 1; i++)
-		if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) {
-			ReadDOC(docptr, LastDataRead);
-			return i;
-		}
-	if (buf[i] != ReadDOC(docptr, LastDataRead))
-		return i;
-	return 0;
-}
-
-static u_char doc2001plus_read_byte(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	u_char ret;
-
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-	ret = ReadDOC(docptr, Mplus_LastDataRead);
-	if (debug)
-		printk("read_byte returns %02x\n", ret);
-	return ret;
-}
-
-static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	if (debug)
-		printk("writebuf of %d bytes: ", len);
-	for (i = 0; i < len; i++) {
-		WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
-		if (debug && i < 16)
-			printk("%02x ", buf[i]);
-	}
-	if (debug)
-		printk("\n");
-}
-
-static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	if (debug)
-		printk("readbuf of %d bytes: ", len);
-
-	/* Start read pipeline */
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-
-	for (i = 0; i < len - 2; i++) {
-		buf[i] = ReadDOC(docptr, Mil_CDSN_IO);
-		if (debug && i < 16)
-			printk("%02x ", buf[i]);
-	}
-
-	/* Terminate read pipeline */
-	buf[len - 2] = ReadDOC(docptr, Mplus_LastDataRead);
-	if (debug && i < 16)
-		printk("%02x ", buf[len - 2]);
-	buf[len - 1] = ReadDOC(docptr, Mplus_LastDataRead);
-	if (debug && i < 16)
-		printk("%02x ", buf[len - 1]);
-	if (debug)
-		printk("\n");
-}
-
-static int doc2001plus_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-
-	if (debug)
-		printk("verifybuf of %d bytes: ", len);
-
-	/* Start read pipeline */
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-	ReadDOC(docptr, Mplus_ReadPipeInit);
-
-	for (i = 0; i < len - 2; i++)
-		if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) {
-			ReadDOC(docptr, Mplus_LastDataRead);
-			ReadDOC(docptr, Mplus_LastDataRead);
-			return i;
-		}
-	if (buf[len - 2] != ReadDOC(docptr, Mplus_LastDataRead))
-		return len - 2;
-	if (buf[len - 1] != ReadDOC(docptr, Mplus_LastDataRead))
-		return len - 1;
-	return 0;
-}
-
-static void doc2001plus_select_chip(struct mtd_info *mtd, int chip)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int floor = 0;
-
-	if (debug)
-		printk("select chip (%d)\n", chip);
-
-	if (chip == -1) {
-		/* Disable flash internally */
-		WriteDOC(0, docptr, Mplus_FlashSelect);
-		return;
-	}
-
-	floor = chip / doc->chips_per_floor;
-	chip -= (floor * doc->chips_per_floor);
-
-	/* Assert ChipEnable and deassert WriteProtect */
-	WriteDOC((DOC_FLASH_CE), docptr, Mplus_FlashSelect);
-	this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
-
-	doc->curchip = chip;
-	doc->curfloor = floor;
-}
-
-static void doc200x_select_chip(struct mtd_info *mtd, int chip)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int floor = 0;
-
-	if (debug)
-		printk("select chip (%d)\n", chip);
-
-	if (chip == -1)
-		return;
-
-	floor = chip / doc->chips_per_floor;
-	chip -= (floor * doc->chips_per_floor);
-
-	/* 11.4.4 -- deassert CE before changing chip */
-	doc200x_hwcontrol(mtd, NAND_CMD_NONE, 0 | NAND_CTRL_CHANGE);
-
-	WriteDOC(floor, docptr, FloorSelect);
-	WriteDOC(chip, docptr, CDSNDeviceSelect);
-
-	doc200x_hwcontrol(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
-
-	doc->curchip = chip;
-	doc->curfloor = floor;
-}
-
-#define CDSN_CTRL_MSK (CDSN_CTRL_CE | CDSN_CTRL_CLE | CDSN_CTRL_ALE)
-
-static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd,
-			      unsigned int ctrl)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		doc->CDSNControl &= ~CDSN_CTRL_MSK;
-		doc->CDSNControl |= ctrl & CDSN_CTRL_MSK;
-		if (debug)
-			printk("hwcontrol(%d): %02x\n", cmd, doc->CDSNControl);
-		WriteDOC(doc->CDSNControl, docptr, CDSNControl);
-		/* 11.4.3 -- 4 NOPs after CSDNControl write */
-		DoC_Delay(doc, 4);
-	}
-	if (cmd != NAND_CMD_NONE) {
-		if (DoC_is_2000(doc))
-			doc2000_write_byte(mtd, cmd);
-		else
-			doc2001_write_byte(mtd, cmd);
-	}
-}
-
-static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	/*
-	 * Must terminate write pipeline before sending any commands
-	 * to the device.
-	 */
-	if (command == NAND_CMD_PAGEPROG) {
-		WriteDOC(0x00, docptr, Mplus_WritePipeTerm);
-		WriteDOC(0x00, docptr, Mplus_WritePipeTerm);
-	}
-
-	/*
-	 * Write out the command to the device.
-	 */
-	if (command == NAND_CMD_SEQIN) {
-		int readcmd;
-
-		if (column >= mtd->writesize) {
-			/* OOB area */
-			column -= mtd->writesize;
-			readcmd = NAND_CMD_READOOB;
-		} else if (column < 256) {
-			/* First 256 bytes --> READ0 */
-			readcmd = NAND_CMD_READ0;
-		} else {
-			column -= 256;
-			readcmd = NAND_CMD_READ1;
-		}
-		WriteDOC(readcmd, docptr, Mplus_FlashCmd);
-	}
-	WriteDOC(command, docptr, Mplus_FlashCmd);
-	WriteDOC(0, docptr, Mplus_WritePipeTerm);
-	WriteDOC(0, docptr, Mplus_WritePipeTerm);
-
-	if (column != -1 || page_addr != -1) {
-		/* Serially input address */
-		if (column != -1) {
-			/* Adjust columns for 16 bit buswidth */
-			if (this->options & NAND_BUSWIDTH_16)
-				column >>= 1;
-			WriteDOC(column, docptr, Mplus_FlashAddress);
-		}
-		if (page_addr != -1) {
-			WriteDOC((unsigned char)(page_addr & 0xff), docptr, Mplus_FlashAddress);
-			WriteDOC((unsigned char)((page_addr >> 8) & 0xff), docptr, Mplus_FlashAddress);
-			/* One more address cycle for higher density devices */
-			if (this->chipsize & 0x0c000000) {
-				WriteDOC((unsigned char)((page_addr >> 16) & 0x0f), docptr, Mplus_FlashAddress);
-				printk("high density\n");
-			}
-		}
-		WriteDOC(0, docptr, Mplus_WritePipeTerm);
-		WriteDOC(0, docptr, Mplus_WritePipeTerm);
-		/* deassert ALE */
-		if (command == NAND_CMD_READ0 || command == NAND_CMD_READ1 ||
-		    command == NAND_CMD_READOOB || command == NAND_CMD_READID)
-			WriteDOC(0, docptr, Mplus_FlashControl);
-	}
-
-	/*
-	 * program and erase have their own busy handlers
-	 * status and sequential in needs no delay
-	 */
-	switch (command) {
-
-	case NAND_CMD_PAGEPROG:
-	case NAND_CMD_ERASE1:
-	case NAND_CMD_ERASE2:
-	case NAND_CMD_SEQIN:
-	case NAND_CMD_STATUS:
-		return;
-
-	case NAND_CMD_RESET:
-		if (this->dev_ready)
-			break;
-		udelay(this->chip_delay);
-		WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd);
-		WriteDOC(0, docptr, Mplus_WritePipeTerm);
-		WriteDOC(0, docptr, Mplus_WritePipeTerm);
-		while (!(this->read_byte(mtd) & 0x40)) ;
-		return;
-
-		/* This applies to read commands */
-	default:
-		/*
-		 * If we don't have access to the busy pin, we apply the given
-		 * command delay
-		 */
-		if (!this->dev_ready) {
-			udelay(this->chip_delay);
-			return;
-		}
-	}
-
-	/* Apply this short delay always to ensure that we do wait tWB in
-	 * any case on any machine. */
-	ndelay(100);
-	/* wait until command is processed */
-	while (!this->dev_ready(mtd)) ;
-}
-
-static int doc200x_dev_ready(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	if (DoC_is_MillenniumPlus(doc)) {
-		/* 11.4.2 -- must NOP four times before checking FR/B# */
-		DoC_Delay(doc, 4);
-		if ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) {
-			if (debug)
-				printk("not ready\n");
-			return 0;
-		}
-		if (debug)
-			printk("was ready\n");
-		return 1;
-	} else {
-		/* 11.4.2 -- must NOP four times before checking FR/B# */
-		DoC_Delay(doc, 4);
-		if (!(ReadDOC(docptr, CDSNControl) & CDSN_CTRL_FR_B)) {
-			if (debug)
-				printk("not ready\n");
-			return 0;
-		}
-		/* 11.4.2 -- Must NOP twice if it's ready */
-		DoC_Delay(doc, 2);
-		if (debug)
-			printk("was ready\n");
-		return 1;
-	}
-}
-
-static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
-{
-	/* This is our last resort if we couldn't find or create a BBT.  Just
-	   pretend all blocks are good. */
-	return 0;
-}
-
-static void doc200x_enable_hwecc(struct mtd_info *mtd, int mode)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	/* Prime the ECC engine */
-	switch (mode) {
-	case NAND_ECC_READ:
-		WriteDOC(DOC_ECC_RESET, docptr, ECCConf);
-		WriteDOC(DOC_ECC_EN, docptr, ECCConf);
-		break;
-	case NAND_ECC_WRITE:
-		WriteDOC(DOC_ECC_RESET, docptr, ECCConf);
-		WriteDOC(DOC_ECC_EN | DOC_ECC_RW, docptr, ECCConf);
-		break;
-	}
-}
-
-static void doc2001plus_enable_hwecc(struct mtd_info *mtd, int mode)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-
-	/* Prime the ECC engine */
-	switch (mode) {
-	case NAND_ECC_READ:
-		WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);
-		WriteDOC(DOC_ECC_EN, docptr, Mplus_ECCConf);
-		break;
-	case NAND_ECC_WRITE:
-		WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);
-		WriteDOC(DOC_ECC_EN | DOC_ECC_RW, docptr, Mplus_ECCConf);
-		break;
-	}
-}
-
-/* This code is only called on write */
-static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, unsigned char *ecc_code)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	int i;
-	int emptymatch = 1;
-
-	/* flush the pipeline */
-	if (DoC_is_2000(doc)) {
-		WriteDOC(doc->CDSNControl & ~CDSN_CTRL_FLASH_IO, docptr, CDSNControl);
-		WriteDOC(0, docptr, 2k_CDSN_IO);
-		WriteDOC(0, docptr, 2k_CDSN_IO);
-		WriteDOC(0, docptr, 2k_CDSN_IO);
-		WriteDOC(doc->CDSNControl, docptr, CDSNControl);
-	} else if (DoC_is_MillenniumPlus(doc)) {
-		WriteDOC(0, docptr, Mplus_NOP);
-		WriteDOC(0, docptr, Mplus_NOP);
-		WriteDOC(0, docptr, Mplus_NOP);
-	} else {
-		WriteDOC(0, docptr, NOP);
-		WriteDOC(0, docptr, NOP);
-		WriteDOC(0, docptr, NOP);
-	}
-
-	for (i = 0; i < 6; i++) {
-		if (DoC_is_MillenniumPlus(doc))
-			ecc_code[i] = ReadDOC_(docptr, DoC_Mplus_ECCSyndrome0 + i);
-		else
-			ecc_code[i] = ReadDOC_(docptr, DoC_ECCSyndrome0 + i);
-		if (ecc_code[i] != empty_write_ecc[i])
-			emptymatch = 0;
-	}
-	if (DoC_is_MillenniumPlus(doc))
-		WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
-	else
-		WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
-#if 0
-	/* If emptymatch=1, we might have an all-0xff data buffer.  Check. */
-	if (emptymatch) {
-		/* Note: this somewhat expensive test should not be triggered
-		   often.  It could be optimized away by examining the data in
-		   the writebuf routine, and remembering the result. */
-		for (i = 0; i < 512; i++) {
-			if (dat[i] == 0xff)
-				continue;
-			emptymatch = 0;
-			break;
-		}
-	}
-	/* If emptymatch still =1, we do have an all-0xff data buffer.
-	   Return all-0xff ecc value instead of the computed one, so
-	   it'll look just like a freshly-erased page. */
-	if (emptymatch)
-		memset(ecc_code, 0xff, 6);
-#endif
-	return 0;
-}
-
-static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
-				u_char *read_ecc, u_char *isnull)
-{
-	int i, ret = 0;
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	void __iomem *docptr = doc->virtadr;
-	uint8_t calc_ecc[6];
-	volatile u_char dummy;
-	int emptymatch = 1;
-
-	/* flush the pipeline */
-	if (DoC_is_2000(doc)) {
-		dummy = ReadDOC(docptr, 2k_ECCStatus);
-		dummy = ReadDOC(docptr, 2k_ECCStatus);
-		dummy = ReadDOC(docptr, 2k_ECCStatus);
-	} else if (DoC_is_MillenniumPlus(doc)) {
-		dummy = ReadDOC(docptr, Mplus_ECCConf);
-		dummy = ReadDOC(docptr, Mplus_ECCConf);
-		dummy = ReadDOC(docptr, Mplus_ECCConf);
-	} else {
-		dummy = ReadDOC(docptr, ECCConf);
-		dummy = ReadDOC(docptr, ECCConf);
-		dummy = ReadDOC(docptr, ECCConf);
-	}
-
-	/* Error occured ? */
-	if (dummy & 0x80) {
-		for (i = 0; i < 6; i++) {
-			if (DoC_is_MillenniumPlus(doc))
-				calc_ecc[i] = ReadDOC_(docptr, DoC_Mplus_ECCSyndrome0 + i);
-			else
-				calc_ecc[i] = ReadDOC_(docptr, DoC_ECCSyndrome0 + i);
-			if (calc_ecc[i] != empty_read_syndrome[i])
-				emptymatch = 0;
-		}
-		/* If emptymatch=1, the read syndrome is consistent with an
-		   all-0xff data and stored ecc block.  Check the stored ecc. */
-		if (emptymatch) {
-			for (i = 0; i < 6; i++) {
-				if (read_ecc[i] == 0xff)
-					continue;
-				emptymatch = 0;
-				break;
-			}
-		}
-		/* If emptymatch still =1, check the data block. */
-		if (emptymatch) {
-			/* Note: this somewhat expensive test should not be triggered
-			   often.  It could be optimized away by examining the data in
-			   the readbuf routine, and remembering the result. */
-			for (i = 0; i < 512; i++) {
-				if (dat[i] == 0xff)
-					continue;
-				emptymatch = 0;
-				break;
-			}
-		}
-		/* If emptymatch still =1, this is almost certainly a freshly-
-		   erased block, in which case the ECC will not come out right.
-		   We'll suppress the error and tell the caller everything's
-		   OK.  Because it is. */
-		if (!emptymatch)
-			ret = doc_ecc_decode(rs_decoder, dat, calc_ecc);
-		if (ret > 0)
-			printk(KERN_ERR "doc200x_correct_data corrected %d errors\n", ret);
-	}
-	if (DoC_is_MillenniumPlus(doc))
-		WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
-	else
-		WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
-	if (no_ecc_failures && mtd_is_eccerr(ret)) {
-		printk(KERN_ERR "suppressing ECC failure\n");
-		ret = 0;
-	}
-	return ret;
-}
-
-/*u_char mydatabuf[528]; */
-
-/* The strange out-of-order .oobfree list below is a (possibly unneeded)
- * attempt to retain compatibility.  It used to read:
- * 	.oobfree = { {8, 8} }
- * Since that leaves two bytes unusable, it was changed.  But the following
- * scheme might affect existing jffs2 installs by moving the cleanmarker:
- * 	.oobfree = { {6, 10} }
- * jffs2 seems to handle the above gracefully, but the current scheme seems
- * safer.  The only problem with it is that any code that parses oobfree must
- * be able to handle out-of-order segments.
- */
-static struct nand_ecclayout doc200x_oobinfo = {
-	.eccbytes = 6,
-	.eccpos = {0, 1, 2, 3, 4, 5},
-	.oobfree = {{8, 8}, {6, 2}}
-};
-
-/* Find the (I)NFTL Media Header, and optionally also the mirror media header.
-   On sucessful return, buf will contain a copy of the media header for
-   further processing.  id is the string to scan for, and will presumably be
-   either "ANAND" or "BNAND".  If findmirror=1, also look for the mirror media
-   header.  The page #s of the found media headers are placed in mh0_page and
-   mh1_page in the DOC private structure. */
-static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const char *id, int findmirror)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	unsigned offs;
-	int ret;
-	size_t retlen;
-
-	for (offs = 0; offs < mtd->size; offs += mtd->erasesize) {
-		ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
-		if (retlen != mtd->writesize)
-			continue;
-		if (ret) {
-			printk(KERN_WARNING "ECC error scanning DOC at 0x%x\n", offs);
-		}
-		if (memcmp(buf, id, 6))
-			continue;
-		printk(KERN_INFO "Found DiskOnChip %s Media Header at 0x%x\n", id, offs);
-		if (doc->mh0_page == -1) {
-			doc->mh0_page = offs >> this->page_shift;
-			if (!findmirror)
-				return 1;
-			continue;
-		}
-		doc->mh1_page = offs >> this->page_shift;
-		return 2;
-	}
-	if (doc->mh0_page == -1) {
-		printk(KERN_WARNING "DiskOnChip %s Media Header not found.\n", id);
-		return 0;
-	}
-	/* Only one mediaheader was found.  We want buf to contain a
-	   mediaheader on return, so we'll have to re-read the one we found. */
-	offs = doc->mh0_page << this->page_shift;
-	ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
-	if (retlen != mtd->writesize) {
-		/* Insanity.  Give up. */
-		printk(KERN_ERR "Read DiskOnChip Media Header once, but can't reread it???\n");
-		return 0;
-	}
-	return 1;
-}
-
-static inline int __init nftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	int ret = 0;
-	u_char *buf;
-	struct NFTLMediaHeader *mh;
-	const unsigned psize = 1 << this->page_shift;
-	int numparts = 0;
-	unsigned blocks, maxblocks;
-	int offs, numheaders;
-
-	buf = kmalloc(mtd->writesize, GFP_KERNEL);
-	if (!buf) {
-		printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n");
-		return 0;
-	}
-	if (!(numheaders = find_media_headers(mtd, buf, "ANAND", 1)))
-		goto out;
-	mh = (struct NFTLMediaHeader *)buf;
-
-	le16_to_cpus(&mh->NumEraseUnits);
-	le16_to_cpus(&mh->FirstPhysicalEUN);
-	le32_to_cpus(&mh->FormattedSize);
-
-	printk(KERN_INFO "    DataOrgID        = %s\n"
-			 "    NumEraseUnits    = %d\n"
-			 "    FirstPhysicalEUN = %d\n"
-			 "    FormattedSize    = %d\n"
-			 "    UnitSizeFactor   = %d\n",
-		mh->DataOrgID, mh->NumEraseUnits,
-		mh->FirstPhysicalEUN, mh->FormattedSize,
-		mh->UnitSizeFactor);
-
-	blocks = mtd->size >> this->phys_erase_shift;
-	maxblocks = min(32768U, mtd->erasesize - psize);
-
-	if (mh->UnitSizeFactor == 0x00) {
-		/* Auto-determine UnitSizeFactor.  The constraints are:
-		   - There can be at most 32768 virtual blocks.
-		   - There can be at most (virtual block size - page size)
-		   virtual blocks (because MediaHeader+BBT must fit in 1).
-		 */
-		mh->UnitSizeFactor = 0xff;
-		while (blocks > maxblocks) {
-			blocks >>= 1;
-			maxblocks = min(32768U, (maxblocks << 1) + psize);
-			mh->UnitSizeFactor--;
-		}
-		printk(KERN_WARNING "UnitSizeFactor=0x00 detected.  Correct value is assumed to be 0x%02x.\n", mh->UnitSizeFactor);
-	}
-
-	/* NOTE: The lines below modify internal variables of the NAND and MTD
-	   layers; variables with have already been configured by nand_scan.
-	   Unfortunately, we didn't know before this point what these values
-	   should be.  Thus, this code is somewhat dependant on the exact
-	   implementation of the NAND layer.  */
-	if (mh->UnitSizeFactor != 0xff) {
-		this->bbt_erase_shift += (0xff - mh->UnitSizeFactor);
-		mtd->erasesize <<= (0xff - mh->UnitSizeFactor);
-		printk(KERN_INFO "Setting virtual erase size to %d\n", mtd->erasesize);
-		blocks = mtd->size >> this->bbt_erase_shift;
-		maxblocks = min(32768U, mtd->erasesize - psize);
-	}
-
-	if (blocks > maxblocks) {
-		printk(KERN_ERR "UnitSizeFactor of 0x%02x is inconsistent with device size.  Aborting.\n", mh->UnitSizeFactor);
-		goto out;
-	}
-
-	/* Skip past the media headers. */
-	offs = max(doc->mh0_page, doc->mh1_page);
-	offs <<= this->page_shift;
-	offs += mtd->erasesize;
-
-	if (show_firmware_partition == 1) {
-		parts[0].name = " DiskOnChip Firmware / Media Header partition";
-		parts[0].offset = 0;
-		parts[0].size = offs;
-		numparts = 1;
-	}
-
-	parts[numparts].name = " DiskOnChip BDTL partition";
-	parts[numparts].offset = offs;
-	parts[numparts].size = (mh->NumEraseUnits - numheaders) << this->bbt_erase_shift;
-
-	offs += parts[numparts].size;
-	numparts++;
-
-	if (offs < mtd->size) {
-		parts[numparts].name = " DiskOnChip Remainder partition";
-		parts[numparts].offset = offs;
-		parts[numparts].size = mtd->size - offs;
-		numparts++;
-	}
-
-	ret = numparts;
- out:
-	kfree(buf);
-	return ret;
-}
-
-/* This is a stripped-down copy of the code in inftlmount.c */
-static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	int ret = 0;
-	u_char *buf;
-	struct INFTLMediaHeader *mh;
-	struct INFTLPartition *ip;
-	int numparts = 0;
-	int blocks;
-	int vshift, lastvunit = 0;
-	int i;
-	int end = mtd->size;
-
-	if (inftl_bbt_write)
-		end -= (INFTL_BBT_RESERVED_BLOCKS << this->phys_erase_shift);
-
-	buf = kmalloc(mtd->writesize, GFP_KERNEL);
-	if (!buf) {
-		printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n");
-		return 0;
-	}
-
-	if (!find_media_headers(mtd, buf, "BNAND", 0))
-		goto out;
-	doc->mh1_page = doc->mh0_page + (4096 >> this->page_shift);
-	mh = (struct INFTLMediaHeader *)buf;
-
-	le32_to_cpus(&mh->NoOfBootImageBlocks);
-	le32_to_cpus(&mh->NoOfBinaryPartitions);
-	le32_to_cpus(&mh->NoOfBDTLPartitions);
-	le32_to_cpus(&mh->BlockMultiplierBits);
-	le32_to_cpus(&mh->FormatFlags);
-	le32_to_cpus(&mh->PercentUsed);
-
-	printk(KERN_INFO "    bootRecordID          = %s\n"
-			 "    NoOfBootImageBlocks   = %d\n"
-			 "    NoOfBinaryPartitions  = %d\n"
-			 "    NoOfBDTLPartitions    = %d\n"
-			 "    BlockMultiplerBits    = %d\n"
-			 "    FormatFlgs            = %d\n"
-			 "    OsakVersion           = %d.%d.%d.%d\n"
-			 "    PercentUsed           = %d\n",
-		mh->bootRecordID, mh->NoOfBootImageBlocks,
-		mh->NoOfBinaryPartitions,
-		mh->NoOfBDTLPartitions,
-		mh->BlockMultiplierBits, mh->FormatFlags,
-		((unsigned char *) &mh->OsakVersion)[0] & 0xf,
-		((unsigned char *) &mh->OsakVersion)[1] & 0xf,
-		((unsigned char *) &mh->OsakVersion)[2] & 0xf,
-		((unsigned char *) &mh->OsakVersion)[3] & 0xf,
-		mh->PercentUsed);
-
-	vshift = this->phys_erase_shift + mh->BlockMultiplierBits;
-
-	blocks = mtd->size >> vshift;
-	if (blocks > 32768) {
-		printk(KERN_ERR "BlockMultiplierBits=%d is inconsistent with device size.  Aborting.\n", mh->BlockMultiplierBits);
-		goto out;
-	}
-
-	blocks = doc->chips_per_floor << (this->chip_shift - this->phys_erase_shift);
-	if (inftl_bbt_write && (blocks > mtd->erasesize)) {
-		printk(KERN_ERR "Writeable BBTs spanning more than one erase block are not yet supported.  FIX ME!\n");
-		goto out;
-	}
-
-	/* Scan the partitions */
-	for (i = 0; (i < 4); i++) {
-		ip = &(mh->Partitions[i]);
-		le32_to_cpus(&ip->virtualUnits);
-		le32_to_cpus(&ip->firstUnit);
-		le32_to_cpus(&ip->lastUnit);
-		le32_to_cpus(&ip->flags);
-		le32_to_cpus(&ip->spareUnits);
-		le32_to_cpus(&ip->Reserved0);
-
-		printk(KERN_INFO	"    PARTITION[%d] ->\n"
-			"        virtualUnits    = %d\n"
-			"        firstUnit       = %d\n"
-			"        lastUnit        = %d\n"
-			"        flags           = 0x%x\n"
-			"        spareUnits      = %d\n",
-			i, ip->virtualUnits, ip->firstUnit,
-			ip->lastUnit, ip->flags,
-			ip->spareUnits);
-
-		if ((show_firmware_partition == 1) &&
-		    (i == 0) && (ip->firstUnit > 0)) {
-			parts[0].name = " DiskOnChip IPL / Media Header partition";
-			parts[0].offset = 0;
-			parts[0].size = mtd->erasesize * ip->firstUnit;
-			numparts = 1;
-		}
-
-		if (ip->flags & INFTL_BINARY)
-			parts[numparts].name = " DiskOnChip BDK partition";
-		else
-			parts[numparts].name = " DiskOnChip BDTL partition";
-		parts[numparts].offset = ip->firstUnit << vshift;
-		parts[numparts].size = (1 + ip->lastUnit - ip->firstUnit) << vshift;
-		numparts++;
-		if (ip->lastUnit > lastvunit)
-			lastvunit = ip->lastUnit;
-		if (ip->flags & INFTL_LAST)
-			break;
-	}
-	lastvunit++;
-	if ((lastvunit << vshift) < end) {
-		parts[numparts].name = " DiskOnChip Remainder partition";
-		parts[numparts].offset = lastvunit << vshift;
-		parts[numparts].size = end - parts[numparts].offset;
-		numparts++;
-	}
-	ret = numparts;
- out:
-	kfree(buf);
-	return ret;
-}
-
-static int __init nftl_scan_bbt(struct mtd_info *mtd)
-{
-	int ret, numparts;
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	struct mtd_partition parts[2];
-
-	memset((char *)parts, 0, sizeof(parts));
-	/* On NFTL, we have to find the media headers before we can read the
-	   BBTs, since they're stored in the media header eraseblocks. */
-	numparts = nftl_partscan(mtd, parts);
-	if (!numparts)
-		return -EIO;
-	this->bbt_td->options = NAND_BBT_ABSPAGE | NAND_BBT_8BIT |
-				NAND_BBT_SAVECONTENT | NAND_BBT_WRITE |
-				NAND_BBT_VERSION;
-	this->bbt_td->veroffs = 7;
-	this->bbt_td->pages[0] = doc->mh0_page + 1;
-	if (doc->mh1_page != -1) {
-		this->bbt_md->options = NAND_BBT_ABSPAGE | NAND_BBT_8BIT |
-					NAND_BBT_SAVECONTENT | NAND_BBT_WRITE |
-					NAND_BBT_VERSION;
-		this->bbt_md->veroffs = 7;
-		this->bbt_md->pages[0] = doc->mh1_page + 1;
-	} else {
-		this->bbt_md = NULL;
-	}
-
-	/* It's safe to set bd=NULL below because NAND_BBT_CREATE is not set.
-	   At least as nand_bbt.c is currently written. */
-	if ((ret = nand_scan_bbt(mtd, NULL)))
-		return ret;
-	add_mtd_device(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
-	if (!no_autopart)
-		add_mtd_partitions(mtd, parts, numparts);
-#endif
-	return 0;
-}
-
-static int __init inftl_scan_bbt(struct mtd_info *mtd)
-{
-	int ret, numparts;
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-	struct mtd_partition parts[5];
-
-	if (this->numchips > doc->chips_per_floor) {
-		printk(KERN_ERR "Multi-floor INFTL devices not yet supported.\n");
-		return -EIO;
-	}
-
-	if (DoC_is_MillenniumPlus(doc)) {
-		this->bbt_td->options = NAND_BBT_2BIT | NAND_BBT_ABSPAGE;
-		if (inftl_bbt_write)
-			this->bbt_td->options |= NAND_BBT_WRITE;
-		this->bbt_td->pages[0] = 2;
-		this->bbt_md = NULL;
-	} else {
-		this->bbt_td->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | NAND_BBT_VERSION;
-		if (inftl_bbt_write)
-			this->bbt_td->options |= NAND_BBT_WRITE;
-		this->bbt_td->offs = 8;
-		this->bbt_td->len = 8;
-		this->bbt_td->veroffs = 7;
-		this->bbt_td->maxblocks = INFTL_BBT_RESERVED_BLOCKS;
-		this->bbt_td->reserved_block_code = 0x01;
-		this->bbt_td->pattern = "MSYS_BBT";
-
-		this->bbt_md->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | NAND_BBT_VERSION;
-		if (inftl_bbt_write)
-			this->bbt_md->options |= NAND_BBT_WRITE;
-		this->bbt_md->offs = 8;
-		this->bbt_md->len = 8;
-		this->bbt_md->veroffs = 7;
-		this->bbt_md->maxblocks = INFTL_BBT_RESERVED_BLOCKS;
-		this->bbt_md->reserved_block_code = 0x01;
-		this->bbt_md->pattern = "TBB_SYSM";
-	}
-
-	/* It's safe to set bd=NULL below because NAND_BBT_CREATE is not set.
-	   At least as nand_bbt.c is currently written. */
-	if ((ret = nand_scan_bbt(mtd, NULL)))
-		return ret;
-	memset((char *)parts, 0, sizeof(parts));
-	numparts = inftl_partscan(mtd, parts);
-	/* At least for now, require the INFTL Media Header.  We could probably
-	   do without it for non-INFTL use, since all it gives us is
-	   autopartitioning, but I want to give it more thought. */
-	if (!numparts)
-		return -EIO;
-	add_mtd_device(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
-	if (!no_autopart)
-		add_mtd_partitions(mtd, parts, numparts);
-#endif
-	return 0;
-}
-
-static inline int __init doc2000_init(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-
-	this->read_byte = doc2000_read_byte;
-	this->write_buf = doc2000_writebuf;
-	this->read_buf = doc2000_readbuf;
-	this->verify_buf = doc2000_verifybuf;
-	this->scan_bbt = nftl_scan_bbt;
-
-	doc->CDSNControl = CDSN_CTRL_FLASH_IO | CDSN_CTRL_ECC_IO;
-	doc2000_count_chips(mtd);
-	mtd->name = "DiskOnChip 2000 (NFTL Model)";
-	return (4 * doc->chips_per_floor);
-}
-
-static inline int __init doc2001_init(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-
-	this->read_byte = doc2001_read_byte;
-	this->write_buf = doc2001_writebuf;
-	this->read_buf = doc2001_readbuf;
-	this->verify_buf = doc2001_verifybuf;
-
-	ReadDOC(doc->virtadr, ChipID);
-	ReadDOC(doc->virtadr, ChipID);
-	ReadDOC(doc->virtadr, ChipID);
-	if (ReadDOC(doc->virtadr, ChipID) != DOC_ChipID_DocMil) {
-		/* It's not a Millennium; it's one of the newer
-		   DiskOnChip 2000 units with a similar ASIC.
-		   Treat it like a Millennium, except that it
-		   can have multiple chips. */
-		doc2000_count_chips(mtd);
-		mtd->name = "DiskOnChip 2000 (INFTL Model)";
-		this->scan_bbt = inftl_scan_bbt;
-		return (4 * doc->chips_per_floor);
-	} else {
-		/* Bog-standard Millennium */
-		doc->chips_per_floor = 1;
-		mtd->name = "DiskOnChip Millennium";
-		this->scan_bbt = nftl_scan_bbt;
-		return 1;
-	}
-}
-
-static inline int __init doc2001plus_init(struct mtd_info *mtd)
-{
-	struct nand_chip *this = mtd->priv;
-	struct doc_priv *doc = this->priv;
-
-	this->read_byte = doc2001plus_read_byte;
-	this->write_buf = doc2001plus_writebuf;
-	this->read_buf = doc2001plus_readbuf;
-	this->verify_buf = doc2001plus_verifybuf;
-	this->scan_bbt = inftl_scan_bbt;
-	this->cmd_ctrl = NULL;
-	this->select_chip = doc2001plus_select_chip;
-	this->cmdfunc = doc2001plus_command;
-	this->ecc.hwctl = doc2001plus_enable_hwecc;
-
-	doc->chips_per_floor = 1;
-	mtd->name = "DiskOnChip Millennium Plus";
-
-	return 1;
-}
-
-static int __init doc_probe(unsigned long physadr)
-{
-	unsigned char ChipID;
-	struct mtd_info *mtd;
-	struct nand_chip *nand;
-	struct doc_priv *doc;
-	void __iomem *virtadr;
-	unsigned char save_control;
-	unsigned char tmp, tmpb, tmpc;
-	int reg, len, numchips;
-	int ret = 0;
-
-	virtadr = ioremap(physadr, DOC_IOREMAP_LEN);
-	if (!virtadr) {
-		printk(KERN_ERR "Diskonchip ioremap failed: 0x%x bytes at 0x%lx\n", DOC_IOREMAP_LEN, physadr);
-		return -EIO;
-	}
-
-	/* It's not possible to cleanly detect the DiskOnChip - the
-	 * bootup procedure will put the device into reset mode, and
-	 * it's not possible to talk to it without actually writing
-	 * to the DOCControl register. So we store the current contents
-	 * of the DOCControl register's location, in case we later decide
-	 * that it's not a DiskOnChip, and want to put it back how we
-	 * found it.
-	 */
-	save_control = ReadDOC(virtadr, DOCControl);
-
-	/* Reset the DiskOnChip ASIC */
-	WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl);
-	WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl);
-
-	/* Enable the DiskOnChip ASIC */
-	WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl);
-	WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl);
-
-	ChipID = ReadDOC(virtadr, ChipID);
-
-	switch (ChipID) {
-	case DOC_ChipID_Doc2k:
-		reg = DoC_2k_ECCStatus;
-		break;
-	case DOC_ChipID_DocMil:
-		reg = DoC_ECCConf;
-		break;
-	case DOC_ChipID_DocMilPlus16:
-	case DOC_ChipID_DocMilPlus32:
-	case 0:
-		/* Possible Millennium Plus, need to do more checks */
-		/* Possibly release from power down mode */
-		for (tmp = 0; (tmp < 4); tmp++)
-			ReadDOC(virtadr, Mplus_Power);
-
-		/* Reset the Millennium Plus ASIC */
-		tmp = DOC_MODE_RESET | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | DOC_MODE_BDECT;
-		WriteDOC(tmp, virtadr, Mplus_DOCControl);
-		WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm);
-
-		mdelay(1);
-		/* Enable the Millennium Plus ASIC */
-		tmp = DOC_MODE_NORMAL | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | DOC_MODE_BDECT;
-		WriteDOC(tmp, virtadr, Mplus_DOCControl);
-		WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm);
-		mdelay(1);
-
-		ChipID = ReadDOC(virtadr, ChipID);
-
-		switch (ChipID) {
-		case DOC_ChipID_DocMilPlus16:
-			reg = DoC_Mplus_Toggle;
-			break;
-		case DOC_ChipID_DocMilPlus32:
-			printk(KERN_ERR "DiskOnChip Millennium Plus 32MB is not supported, ignoring.\n");
-		default:
-			ret = -ENODEV;
-			goto notfound;
-		}
-		break;
-
-	default:
-		ret = -ENODEV;
-		goto notfound;
-	}
-	/* Check the TOGGLE bit in the ECC register */
-	tmp = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
-	tmpb = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
-	tmpc = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
-	if ((tmp == tmpb) || (tmp != tmpc)) {
-		printk(KERN_WARNING "Possible DiskOnChip at 0x%lx failed TOGGLE test, dropping.\n", physadr);
-		ret = -ENODEV;
-		goto notfound;
-	}
-
-	for (mtd = doclist; mtd; mtd = doc->nextdoc) {
-		unsigned char oldval;
-		unsigned char newval;
-		nand = mtd->priv;
-		doc = nand->priv;
-		/* Use the alias resolution register to determine if this is
-		   in fact the same DOC aliased to a new address.  If writes
-		   to one chip's alias resolution register change the value on
-		   the other chip, they're the same chip. */
-		if (ChipID == DOC_ChipID_DocMilPlus16) {
-			oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution);
-			newval = ReadDOC(virtadr, Mplus_AliasResolution);
-		} else {
-			oldval = ReadDOC(doc->virtadr, AliasResolution);
-			newval = ReadDOC(virtadr, AliasResolution);
-		}
-		if (oldval != newval)
-			continue;
-		if (ChipID == DOC_ChipID_DocMilPlus16) {
-			WriteDOC(~newval, virtadr, Mplus_AliasResolution);
-			oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution);
-			WriteDOC(newval, virtadr, Mplus_AliasResolution);	/* restore it */
-		} else {
-			WriteDOC(~newval, virtadr, AliasResolution);
-			oldval = ReadDOC(doc->virtadr, AliasResolution);
-			WriteDOC(newval, virtadr, AliasResolution);	/* restore it */
-		}
-		newval = ~newval;
-		if (oldval == newval) {
-			printk(KERN_DEBUG "Found alias of DOC at 0x%lx to 0x%lx\n", doc->physadr, physadr);
-			goto notfound;
-		}
-	}
-
-	printk(KERN_NOTICE "DiskOnChip found at 0x%lx\n", physadr);
-
-	len = sizeof(struct mtd_info) +
-	    sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr));
-	mtd = kzalloc(len, GFP_KERNEL);
-	if (!mtd) {
-		printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len);
-		ret = -ENOMEM;
-		goto fail;
-	}
-
-	nand			= (struct nand_chip *) (mtd + 1);
-	doc			= (struct doc_priv *) (nand + 1);
-	nand->bbt_td		= (struct nand_bbt_descr *) (doc + 1);
-	nand->bbt_md		= nand->bbt_td + 1;
-
-	mtd->priv		= nand;
-	mtd->owner		= THIS_MODULE;
-
-	nand->priv		= doc;
-	nand->select_chip	= doc200x_select_chip;
-	nand->cmd_ctrl		= doc200x_hwcontrol;
-	nand->dev_ready		= doc200x_dev_ready;
-	nand->waitfunc		= doc200x_wait;
-	nand->block_bad		= doc200x_block_bad;
-	nand->ecc.hwctl		= doc200x_enable_hwecc;
-	nand->ecc.calculate	= doc200x_calculate_ecc;
-	nand->ecc.correct	= doc200x_correct_data;
-
-	nand->ecc.layout	= &doc200x_oobinfo;
-	nand->ecc.mode		= NAND_ECC_HW_SYNDROME;
-	nand->ecc.size		= 512;
-	nand->ecc.bytes		= 6;
-	nand->ecc.strength	= 2;
-	nand->bbt_options	= NAND_BBT_USE_FLASH;
-
-	doc->physadr		= physadr;
-	doc->virtadr		= virtadr;
-	doc->ChipID		= ChipID;
-	doc->curfloor		= -1;
-	doc->curchip		= -1;
-	doc->mh0_page		= -1;
-	doc->mh1_page		= -1;
-	doc->nextdoc		= doclist;
-
-	if (ChipID == DOC_ChipID_Doc2k)
-		numchips = doc2000_init(mtd);
-	else if (ChipID == DOC_ChipID_DocMilPlus16)
-		numchips = doc2001plus_init(mtd);
-	else
-		numchips = doc2001_init(mtd);
-
-	if ((ret = nand_scan(mtd, numchips))) {
-		/* DBB note: i believe nand_release is necessary here, as
-		   buffers may have been allocated in nand_base.  Check with
-		   Thomas. FIX ME! */
-		/* nand_release will call del_mtd_device, but we haven't yet
-		   added it.  This is handled without incident by
-		   del_mtd_device, as far as I can tell. */
-		nand_release(mtd);
-		kfree(mtd);
-		goto fail;
-	}
-
-	/* Success! */
-	doclist = mtd;
-	return 0;
-
- notfound:
-	/* Put back the contents of the DOCControl register, in case it's not
-	   actually a DiskOnChip.  */
-	WriteDOC(save_control, virtadr, DOCControl);
- fail:
-	iounmap(virtadr);
-	return ret;
-}
-
-static void release_nanddoc(void)
-{
-	struct mtd_info *mtd, *nextmtd;
-	struct nand_chip *nand;
-	struct doc_priv *doc;
-
-	for (mtd = doclist; mtd; mtd = nextmtd) {
-		nand = mtd->priv;
-		doc = nand->priv;
-
-		nextmtd = doc->nextdoc;
-		nand_release(mtd);
-		iounmap(doc->virtadr);
-		kfree(mtd);
-	}
-}
-
-static int __init init_nanddoc(void)
-{
-	int i, ret = 0;
-
-	/* We could create the decoder on demand, if memory is a concern.
-	 * This way we have it handy, if an error happens
-	 *
-	 * Symbolsize is 10 (bits)
-	 * Primitve polynomial is x^10+x^3+1
-	 * first consecutive root is 510
-	 * primitve element to generate roots = 1
-	 * generator polinomial degree = 4
-	 */
-	rs_decoder = init_rs(10, 0x409, FCR, 1, NROOTS);
-	if (!rs_decoder) {
-		printk(KERN_ERR "DiskOnChip: Could not create a RS decoder\n");
-		return -ENOMEM;
-	}
-
-	if (doc_config_location) {
-		printk(KERN_INFO "Using configured DiskOnChip probe address 0x%lx\n", doc_config_location);
-		ret = doc_probe(doc_config_location);
-		if (ret < 0)
-			goto outerr;
-	} else {
-		for (i = 0; (doc_locations[i] != 0xffffffff); i++) {
-			doc_probe(doc_locations[i]);
-		}
-	}
-	/* No banner message any more. Print a message if no DiskOnChip
-	   found, so the user knows we at least tried. */
-	if (!doclist) {
-		printk(KERN_INFO "No valid DiskOnChip devices found\n");
-		ret = -ENODEV;
-		goto outerr;
-	}
-	return 0;
- outerr:
-	free_rs(rs_decoder);
-	return ret;
-}
-
-static void __exit cleanup_nanddoc(void)
-{
-	/* Cleanup the nand/DoC resources */
-	release_nanddoc();
-
-	/* Free the reed solomon resources */
-	if (rs_decoder) {
-		free_rs(rs_decoder);
-	}
-}
-
-module_init(init_nanddoc);
-module_exit(cleanup_nanddoc);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
-MODULE_DESCRIPTION("M-Systems DiskOnChip 2000, Millennium and Millennium Plus device driver\n");
diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c
index 2f82f7c..5100772 100644
--- a/drivers/mtd/nand/fsl_ifc_spl.c
+++ b/drivers/mtd/nand/fsl_ifc_spl.c
@@ -88,11 +88,7 @@ static inline int bad_block(uchar *marker, int port_size)
 		return __raw_readw((u16 *)marker) != 0xffff;
 }
 
-#ifdef CONFIG_TPL_BUILD
 int nand_spl_load_image(uint32_t offs, unsigned int uboot_size, void *vdst)
-#else
-static int nand_load(uint32_t offs, unsigned int uboot_size, void *vdst)
-#endif
 {
 	struct fsl_ifc *ifc = IFC_BASE_ADDR;
 	uchar *buf = (uchar *)CONFIG_SYS_NAND_BASE;
@@ -218,15 +214,6 @@ static int nand_load(uint32_t offs, unsigned int uboot_size, void *vdst)
 }
 
 /*
- * Defines a static function nand_load_image() here, because non-static makes
- * the code too large for certain SPLs(minimal SPL, maximum size <= 4Kbytes)
- */
-#ifndef CONFIG_TPL_BUILD
-#define nand_spl_load_image(offs, uboot_size, vdst) \
-	nand_load(offs, uboot_size, vdst)
-#endif
-
-/*
  * Main entrypoint for NAND Boot. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-boot image
  * from NAND into SDRAM and starts from there.
diff --git a/drivers/mtd/spi/fsl_espi_spl.c b/drivers/mtd/spi/fsl_espi_spl.c
index e5ac79b..b915469 100644
--- a/drivers/mtd/spi/fsl_espi_spl.c
+++ b/drivers/mtd/spi/fsl_espi_spl.c
@@ -12,6 +12,20 @@
 #define ESPI_BOOT_IMAGE_ADDR	0x50
 #define CONFIG_CFG_DATA_SECTOR	0
 
+void spi_spl_load_image(uint32_t offs, unsigned int size, void *vdst)
+{
+	struct spi_flash *flash;
+
+	flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
+			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
+	if (flash == NULL) {
+		puts("\nspi_flash_probe failed");
+		hang();
+	}
+
+	spi_flash_read(flash, offs, size, vdst);
+}
+
 /*
  * The main entry for SPI booting. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-Boot image
@@ -20,8 +34,10 @@
 void spi_boot(void)
 {
 	void (*uboot)(void) __noreturn;
-	u32 offset, code_len;
+	u32 offset, code_len, copy_len = 0;
+#ifndef CONFIG_FSL_CORENET
 	unsigned char *buf = NULL;
+#endif
 	struct spi_flash *flash;
 
 	flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
@@ -56,8 +72,15 @@ void spi_boot(void)
 	code_len = code_len - CONFIG_SPL_MAX_SIZE;
 #endif
 	/* copy code to DDR */
-	spi_flash_read(flash, offset, code_len,
-		       (void *)CONFIG_SYS_SPI_FLASH_U_BOOT_DST);
+	printf("Loading second stage boot loader ");
+	while (copy_len <= code_len) {
+		spi_flash_read(flash, offset + copy_len, 0x2000,
+			       (void *)(CONFIG_SYS_SPI_FLASH_U_BOOT_DST
+			       + copy_len));
+		copy_len = copy_len + 0x2000;
+		putc('.');
+	}
+
 	/*
 	* Jump to U-Boot image
 	*/
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 9a66e68..9d9b259 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -4532,7 +4532,6 @@ static int e1000_set_phy_type (struct e1000_hw *hw)
 			hw->mac_type == e1000_82547 ||
 			hw->mac_type == e1000_82547_rev_2) {
 			hw->phy_type = e1000_phy_igp;
-			hw->phy_type = e1000_phy_igp;
 			break;
 		}
 	case IGP03E1000_E_PHY_ID:
diff --git a/drivers/net/fm/fm.c b/drivers/net/fm/fm.c
index bca20b3..400e9dd 100644
--- a/drivers/net/fm/fm.c
+++ b/drivers/net/fm/fm.c
@@ -350,16 +350,16 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 {
 	int rc;
 #if defined(CONFIG_SYS_QE_FMAN_FW_IN_NOR)
-	void *addr = (void *)CONFIG_SYS_QE_FMAN_FW_ADDR;
+	void *addr = (void *)CONFIG_SYS_FMAN_FW_ADDR;
 #elif defined(CONFIG_SYS_QE_FMAN_FW_IN_NAND)
 	size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
 	void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
 
-	rc = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FMAN_FW_ADDR,
+	rc = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_FMAN_FW_ADDR,
 		       &fw_length, (u_char *)addr);
 	if (rc == -EUCLEAN) {
 		printf("NAND read of FMAN firmware at offset 0x%x failed %d\n",
-			CONFIG_SYS_QE_FMAN_FW_ADDR, rc);
+			CONFIG_SYS_FMAN_FW_ADDR, rc);
 	}
 #elif defined(CONFIG_SYS_QE_FW_IN_SPIFLASH)
 	struct spi_flash *ucode_flash;
@@ -371,7 +371,7 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 	if (!ucode_flash)
 		printf("SF: probe for ucode failed\n");
 	else {
-		ret = spi_flash_read(ucode_flash, CONFIG_SYS_QE_FMAN_FW_ADDR,
+		ret = spi_flash_read(ucode_flash, CONFIG_SYS_FMAN_FW_ADDR,
 				CONFIG_SYS_QE_FMAN_FW_LENGTH, addr);
 		if (ret)
 			printf("SF: read for ucode failed\n");
@@ -381,7 +381,7 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 	int dev = CONFIG_SYS_MMC_ENV_DEV;
 	void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
 	u32 cnt = CONFIG_SYS_QE_FMAN_FW_LENGTH / 512;
-	u32 blk = CONFIG_SYS_QE_FMAN_FW_ADDR / 512;
+	u32 blk = CONFIG_SYS_FMAN_FW_ADDR / 512;
 	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
 
 	if (!mmc)
@@ -395,7 +395,7 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 		flush_cache((ulong)addr, cnt * 512);
 	}
 #elif defined(CONFIG_SYS_QE_FMAN_FW_IN_REMOTE)
-	void *addr = (void *)CONFIG_SYS_QE_FMAN_FW_ADDR;
+	void *addr = (void *)CONFIG_SYS_FMAN_FW_ADDR;
 #else
 	void *addr = NULL;
 #endif
diff --git a/drivers/net/fm/memac_phy.c b/drivers/net/fm/memac_phy.c
index 140e59b..2f4bc11 100644
--- a/drivers/net/fm/memac_phy.c
+++ b/drivers/net/fm/memac_phy.c
@@ -133,5 +133,17 @@ int fm_memac_mdio_init(bd_t *bis, struct memac_mdio_info *info)
 
 	bus->priv = info->regs;
 
+	/*
+	 * On some platforms like B4860, default value of MDIO_CLK_DIV bits
+	 * in mdio_stat(mdio_cfg) register generates MDIO clock too high
+	 * (much higher than 2.5MHz), violating the IEEE specs.
+	 * On other platforms like T1040, default value of MDIO_CLK_DIV bits
+	 * is zero, so MDIO clock is disabled.
+	 * So, for proper functioning of MDIO, MDIO_CLK_DIV bits needs to
+	 * be properly initialized.
+	 */
+	setbits_be32(&((struct memac_mdio_controller *)info->regs)->mdio_stat,
+		     MDIO_STAT_CLKDIV(258));
+
 	return mdio_register(bus);
 }
diff --git a/drivers/net/inca-ip_sw.c b/drivers/net/inca-ip_sw.c
deleted file mode 100644
index cdfbfa6..0000000
--- a/drivers/net/inca-ip_sw.c
+++ /dev/null
@@ -1,793 +0,0 @@
-/*
- * INCA-IP internal switch ethernet driver.
- *
- * (C) Copyright 2003-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-
-#include <common.h>
-
-#include <malloc.h>
-#include <net.h>
-#include <netdev.h>
-#include <asm/inca-ip.h>
-#include <asm/addrspace.h>
-
-
-#define NUM_RX_DESC	PKTBUFSRX
-#define NUM_TX_DESC	3
-#define TOUT_LOOP	1000000
-
-
-#define DELAY	udelay(10000)
-  /* Sometimes the store word instruction hangs while writing to one
-   * of the Switch registers. Moving the instruction into a separate
-   * function somehow makes the problem go away.
-   */
-static void SWORD(volatile u32 * reg, u32 value)
-{
-	*reg = value;
-}
-
-#define DMA_WRITE_REG(reg, value) *((volatile u32 *)reg) = (u32)value;
-#define DMA_READ_REG(reg, value)    value = (u32)*((volatile u32*)reg)
-#define SW_WRITE_REG(reg, value)   \
-	SWORD(reg, value);\
-	DELAY;\
-	SWORD(reg, value);
-
-#define SW_READ_REG(reg, value)	   \
-	value = (u32)*((volatile u32*)reg);\
-	DELAY;\
-	value = (u32)*((volatile u32*)reg);
-
-#define INCA_DMA_TX_POLLING_TIME	0x07
-#define INCA_DMA_RX_POLLING_TIME	0x07
-
-#define INCA_DMA_TX_HOLD		0x80000000
-#define INCA_DMA_TX_EOP			0x40000000
-#define INCA_DMA_TX_SOP			0x20000000
-#define INCA_DMA_TX_ICPT		0x10000000
-#define INCA_DMA_TX_IEOP		0x08000000
-
-#define INCA_DMA_RX_C			0x80000000
-#define INCA_DMA_RX_SOP			0x40000000
-#define INCA_DMA_RX_EOP			0x20000000
-
-#define INCA_SWITCH_PHY_SPEED_10H	0x1
-#define INCA_SWITCH_PHY_SPEED_10F	0x5
-#define INCA_SWITCH_PHY_SPEED_100H	0x2
-#define INCA_SWITCH_PHY_SPEED_100F	0x6
-
-/************************ Auto MDIX settings ************************/
-#define INCA_IP_AUTO_MDIX_LAN_PORTS_DIR		INCA_IP_Ports_P1_DIR
-#define INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL	INCA_IP_Ports_P1_ALTSEL
-#define INCA_IP_AUTO_MDIX_LAN_PORTS_OUT		INCA_IP_Ports_P1_OUT
-#define INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX	16
-
-#define WAIT_SIGNAL_RETRIES			100
-#define WAIT_LINK_RETRIES			100
-#define LINK_RETRY_DELAY			2000  /* ms */
-/********************************************************************/
-
-typedef struct
-{
-	union {
-		struct {
-			volatile u32 HOLD		:1;
-			volatile u32 ICpt		:1;
-			volatile u32 IEop		:1;
-			volatile u32 offset		:3;
-			volatile u32 reserved0		:4;
-			volatile u32 NFB		:22;
-		}field;
-
-		volatile u32 word;
-	}params;
-
-	volatile u32 nextRxDescPtr;
-
-	volatile u32 RxDataPtr;
-
-	union {
-		struct {
-			volatile u32 C			:1;
-			volatile u32 Sop		:1;
-			volatile u32 Eop		:1;
-			volatile u32 reserved3		:12;
-			volatile u32 NBT		:17;
-		}field;
-
-		volatile u32 word;
-	}status;
-
-} inca_rx_descriptor_t;
-
-
-typedef struct
-{
-	union {
-		struct {
-			volatile u32 HOLD		:1;
-			volatile u32 Eop		:1;
-			volatile u32 Sop		:1;
-			volatile u32 ICpt		:1;
-			volatile u32 IEop		:1;
-			volatile u32 reserved0		:5;
-			volatile u32 NBA		:22;
-		}field;
-
-		volatile u32 word;
-	}params;
-
-	volatile u32 nextTxDescPtr;
-
-	volatile u32 TxDataPtr;
-
-	volatile u32 C			:1;
-	volatile u32 reserved3		:31;
-
-} inca_tx_descriptor_t;
-
-
-static inca_rx_descriptor_t rx_ring[NUM_RX_DESC] __attribute__ ((aligned(16)));
-static inca_tx_descriptor_t tx_ring[NUM_TX_DESC] __attribute__ ((aligned(16)));
-
-static int tx_new, rx_new, tx_hold, rx_hold;
-static int tx_old_hold = -1;
-static int initialized	= 0;
-
-
-static int inca_switch_init(struct eth_device *dev, bd_t * bis);
-static int inca_switch_send(struct eth_device *dev, void *packet, int length);
-static int inca_switch_recv(struct eth_device *dev);
-static void inca_switch_halt(struct eth_device *dev);
-static void inca_init_switch_chip(void);
-static void inca_dma_init(void);
-static int inca_amdix(void);
-
-
-int inca_switch_initialize(bd_t * bis)
-{
-	struct eth_device *dev;
-
-#if 0
-	printf("Entered inca_switch_initialize()\n");
-#endif
-
-	if (!(dev = (struct eth_device *) malloc (sizeof *dev))) {
-		printf("Failed to allocate memory\n");
-		return 0;
-	}
-	memset(dev, 0, sizeof(*dev));
-
-	inca_dma_init();
-
-	inca_init_switch_chip();
-
-#if defined(CONFIG_INCA_IP_SWITCH_AMDIX)
-	inca_amdix();
-#endif
-
-	sprintf(dev->name, "INCA-IP Switch");
-	dev->init = inca_switch_init;
-	dev->halt = inca_switch_halt;
-	dev->send = inca_switch_send;
-	dev->recv = inca_switch_recv;
-
-	eth_register(dev);
-
-#if 0
-	printf("Leaving inca_switch_initialize()\n");
-#endif
-
-	return 0;
-}
-
-
-static int inca_switch_init(struct eth_device *dev, bd_t * bis)
-{
-	int i;
-	u32 v, regValue;
-	u16 wTmp;
-
-#if 0
-	printf("Entering inca_switch_init()\n");
-#endif
-
-	/* Set MAC address.
-	 */
-	wTmp = (u16)dev->enetaddr[0];
-	regValue = (wTmp << 8) | dev->enetaddr[1];
-
-	SW_WRITE_REG(INCA_IP_Switch_PMAC_SA1, regValue);
-
-	wTmp = (u16)dev->enetaddr[2];
-	regValue = (wTmp << 8) | dev->enetaddr[3];
-	regValue = regValue << 16;
-	wTmp = (u16)dev->enetaddr[4];
-	regValue |= (wTmp<<8) | dev->enetaddr[5];
-
-	SW_WRITE_REG(INCA_IP_Switch_PMAC_SA2, regValue);
-
-	/* Initialize the descriptor rings.
-	 */
-	for (i = 0; i < NUM_RX_DESC; i++) {
-		inca_rx_descriptor_t * rx_desc = (inca_rx_descriptor_t *)CKSEG1ADDR(&rx_ring[i]);
-		memset(rx_desc, 0, sizeof(rx_ring[i]));
-
-		/* Set maximum size of receive buffer.
-		 */
-		rx_desc->params.field.NFB = PKTSIZE_ALIGN;
-
-		/* Set the offset of the receive buffer. Zero means
-		 * that the offset mechanism is not used.
-		 */
-		rx_desc->params.field.offset = 0;
-
-		/* Check if it is the last descriptor.
-		 */
-		if (i == (NUM_RX_DESC - 1)) {
-			/* Let the last descriptor point to the first
-			 * one.
-			 */
-			rx_desc->nextRxDescPtr = (u32)CKSEG1ADDR(rx_ring);
-		} else {
-			/* Set the address of the next descriptor.
-			 */
-			rx_desc->nextRxDescPtr = (u32)CKSEG1ADDR(&rx_ring[i+1]);
-		}
-
-		rx_desc->RxDataPtr = (u32)CKSEG1ADDR(NetRxPackets[i]);
-	}
-
-#if 0
-	printf("rx_ring = 0x%08X 0x%08X\n", (u32)rx_ring, (u32)&rx_ring[0]);
-	printf("tx_ring = 0x%08X 0x%08X\n", (u32)tx_ring, (u32)&tx_ring[0]);
-#endif
-
-	for (i = 0; i < NUM_TX_DESC; i++) {
-		inca_tx_descriptor_t * tx_desc = (inca_tx_descriptor_t *)CKSEG1ADDR(&tx_ring[i]);
-
-		memset(tx_desc, 0, sizeof(tx_ring[i]));
-
-		tx_desc->params.word	   = 0;
-		tx_desc->params.field.HOLD = 1;
-		tx_desc->C		   = 1;
-
-			/* Check if it is the last descriptor.
-			 */
-		if (i == (NUM_TX_DESC - 1)) {
-				/* Let the last descriptor point to the
-				 * first one.
-				 */
-			tx_desc->nextTxDescPtr = (u32)CKSEG1ADDR(tx_ring);
-		} else {
-				/* Set the address of the next descriptor.
-				 */
-			tx_desc->nextTxDescPtr = (u32)CKSEG1ADDR(&tx_ring[i+1]);
-		}
-	}
-
-	/* Initialize RxDMA.
-	 */
-	DMA_READ_REG(INCA_IP_DMA_DMA_RXISR, v);
-	debug("RX status = 0x%08X\n", v);
-
-	/* Writing to the FRDA of CHANNEL.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXFRDA0, (u32)rx_ring);
-
-	/* Writing to the COMMAND REG.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR0, INCA_IP_DMA_DMA_RXCCR0_INIT);
-
-	/* Initialize TxDMA.
-	 */
-	DMA_READ_REG(INCA_IP_DMA_DMA_TXISR, v);
-	debug("TX status = 0x%08X\n", v);
-
-	/* Writing to the FRDA of CHANNEL.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXFRDA0, (u32)tx_ring);
-
-	tx_new = rx_new = 0;
-
-	tx_hold = NUM_TX_DESC - 1;
-	rx_hold = NUM_RX_DESC - 1;
-
-#if 0
-	rx_ring[rx_hold].params.field.HOLD = 1;
-#endif
-	/* enable spanning tree forwarding, enable the CPU port */
-	/* ST_PT:
-	 *	CPS (CPU port status)	0x3 (forwarding)
-	 *	LPS (LAN port status)	0x3 (forwarding)
-	 *	PPS (PC port status)	0x3 (forwarding)
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_ST_PT,0x3f);
-
-#if 0
-	printf("Leaving inca_switch_init()\n");
-#endif
-
-	return 0;
-}
-
-
-static int inca_switch_send(struct eth_device *dev, void *packet, int length)
-{
-	int		       i;
-	int		       res	= -1;
-	u32		       command;
-	u32		       regValue;
-	inca_tx_descriptor_t * tx_desc	= (inca_tx_descriptor_t *)CKSEG1ADDR(&tx_ring[tx_new]);
-
-#if 0
-	printf("Entered inca_switch_send()\n");
-#endif
-
-	if (length <= 0) {
-		printf ("%s: bad packet size: %d\n", dev->name, length);
-		goto Done;
-	}
-
-	for(i = 0; tx_desc->C == 0; i++) {
-		if (i >= TOUT_LOOP) {
-			printf("%s: tx error buffer not ready\n", dev->name);
-			goto Done;
-		}
-	}
-
-	if (tx_old_hold >= 0) {
-		((inca_tx_descriptor_t *)CKSEG1ADDR(&tx_ring[tx_old_hold]))->params.field.HOLD = 1;
-	}
-	tx_old_hold = tx_hold;
-
-	tx_desc->params.word =
-			(INCA_DMA_TX_SOP | INCA_DMA_TX_EOP | INCA_DMA_TX_HOLD);
-
-	tx_desc->C = 0;
-	tx_desc->TxDataPtr = (u32)packet;
-	tx_desc->params.field.NBA = length;
-
-	((inca_tx_descriptor_t *)CKSEG1ADDR(&tx_ring[tx_hold]))->params.field.HOLD = 0;
-
-	tx_hold = tx_new;
-	tx_new	= (tx_new + 1) % NUM_TX_DESC;
-
-
-	if (! initialized) {
-		command = INCA_IP_DMA_DMA_TXCCR0_INIT;
-		initialized = 1;
-	} else {
-		command = INCA_IP_DMA_DMA_TXCCR0_HR;
-	}
-
-	DMA_READ_REG(INCA_IP_DMA_DMA_TXCCR0, regValue);
-	regValue |= command;
-#if 0
-	printf("regValue = 0x%x\n", regValue);
-#endif
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXCCR0, regValue);
-
-#if 1
-	for(i = 0; ((inca_tx_descriptor_t *)CKSEG1ADDR(&tx_ring[tx_hold]))->C == 0; i++) {
-		if (i >= TOUT_LOOP) {
-			printf("%s: tx buffer not ready\n", dev->name);
-			goto Done;
-		}
-	}
-#endif
-	res = length;
-Done:
-#if 0
-	printf("Leaving inca_switch_send()\n");
-#endif
-	return res;
-}
-
-
-static int inca_switch_recv(struct eth_device *dev)
-{
-	int		       length  = 0;
-	inca_rx_descriptor_t * rx_desc;
-
-#if 0
-	printf("Entered inca_switch_recv()\n");
-#endif
-
-	for (;;) {
-		rx_desc = (inca_rx_descriptor_t *)CKSEG1ADDR(&rx_ring[rx_new]);
-
-		if (rx_desc->status.field.C == 0) {
-			break;
-		}
-
-#if 0
-		rx_ring[rx_new].params.field.HOLD = 1;
-#endif
-
-		if (! rx_desc->status.field.Eop) {
-			printf("Partly received packet!!!\n");
-			break;
-		}
-
-		length = rx_desc->status.field.NBT;
-		rx_desc->status.word &=
-			 ~(INCA_DMA_RX_EOP | INCA_DMA_RX_SOP | INCA_DMA_RX_C);
-#if 0
-{
-  int i;
-  for (i=0;i<length - 4;i++) {
-    if (i % 16 == 0) printf("\n%04x: ", i);
-    printf("%02X ", NetRxPackets[rx_new][i]);
-  }
-  printf("\n");
-}
-#endif
-
-		if (length) {
-#if 0
-			printf("Received %d bytes\n", length);
-#endif
-			NetReceive((void*)CKSEG1ADDR(NetRxPackets[rx_new]), length - 4);
-		} else {
-#if 1
-			printf("Zero length!!!\n");
-#endif
-		}
-
-
-		((inca_rx_descriptor_t *)CKSEG1ADDR(&rx_ring[rx_hold]))->params.field.HOLD = 0;
-
-		rx_hold = rx_new;
-
-		rx_new = (rx_new + 1) % NUM_RX_DESC;
-	}
-
-#if 0
-	printf("Leaving inca_switch_recv()\n");
-#endif
-
-	return length;
-}
-
-
-static void inca_switch_halt(struct eth_device *dev)
-{
-#if 0
-	printf("Entered inca_switch_halt()\n");
-#endif
-
-#if 1
-	initialized = 0;
-#endif
-#if 1
-	/* Disable forwarding to the CPU port.
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_ST_PT,0xf);
-
-	/* Close RxDMA channel.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR0, INCA_IP_DMA_DMA_RXCCR0_OFF);
-
-	/* Close TxDMA channel.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXCCR0, INCA_IP_DMA_DMA_TXCCR0_OFF);
-
-
-#endif
-#if 0
-	printf("Leaving inca_switch_halt()\n");
-#endif
-}
-
-
-static void inca_init_switch_chip(void)
-{
-	u32 regValue;
-
-	/* To workaround a problem with collision counter
-	 * (see Errata sheet).
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_PC_TX_CTL, 0x00000001);
-	SW_WRITE_REG(INCA_IP_Switch_LAN_TX_CTL, 0x00000001);
-
-#if 1
-	/* init MDIO configuration:
-	 *	MDS (Poll speed):	0x01 (4ms)
-	 *	PHY_LAN_ADDR:		0x06
-	 *	PHY_PC_ADDR:		0x05
-	 *	UEP (Use External PHY): 0x00 (Internal PHY is used)
-	 *	PS (Port Select):	0x00 (PT/UMM for LAN)
-	 *	PT (PHY Test):		0x00 (no test mode)
-	 *	UMM (Use MDIO Mode):	0x00 (state machine is disabled)
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_MDIO_CFG, 0x4c50);
-
-	/* init PHY:
-	 *	SL (Auto Neg. Speed for LAN)
-	 *	SP (Auto Neg. Speed for PC)
-	 *	LL (Link Status for LAN)
-	 *	LP (Link Status for PC)
-	 *	DL (Duplex Status for LAN)
-	 *	DP (Duplex Status for PC)
-	 *	PL (Auto Neg. Pause Status for LAN)
-	 *	PP (Auto Neg. Pause Status for PC)
-	 */
-	SW_WRITE_REG (INCA_IP_Switch_EPHY, 0xff);
-
-	/* MDIO_ACC:
-	 *	RA (Request/Ack)  0x01 (Request)
-	 *	RW (Read/Write)	  0x01 (Write)
-	 *	PHY_ADDR	  0x05 (PC)
-	 *	REG_ADDR	  0x00 (PHY_BCR: basic control register)
-	 *	PHY_DATA	  0x8000
-	 *		      Reset		      - software reset
-	 *		      LB (loop back)	      - normal
-	 *		      SS (speed select)	      - 10 Mbit/s
-	 *		      ANE (auto neg. enable)  - enable
-	 *		      PD (power down)	      - normal
-	 *		      ISO (isolate)	      - normal
-	 *		      RAN (restart auto neg.) - normal
-	 *		      DM (duplex mode)	      - half duplex
-	 *		      CT (collision test)     - enable
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC, 0xc0a09000);
-
-	/* MDIO_ACC:
-	 *	RA (Request/Ack)  0x01 (Request)
-	 *	RW (Read/Write)	  0x01 (Write)
-	 *	PHY_ADDR	  0x06 (LAN)
-	 *	REG_ADDR	  0x00 (PHY_BCR: basic control register)
-	 *	PHY_DATA	  0x8000
-	 *		      Reset		      - software reset
-	 *		      LB (loop back)	      - normal
-	 *		      SS (speed select)	      - 10 Mbit/s
-	 *		      ANE (auto neg. enable)  - enable
-	 *		      PD (power down)	      - normal
-	 *		      ISO (isolate)	      - normal
-	 *		      RAN (restart auto neg.) - normal
-	 *		      DM (duplex mode)	      - half duplex
-	 *		      CT (collision test)     - enable
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC, 0xc0c09000);
-
-#endif
-
-	/* Make sure the CPU port is disabled for now. We
-	 * don't want packets to get stacked for us until
-	 * we enable DMA and are prepared to receive them.
-	 */
-	SW_WRITE_REG(INCA_IP_Switch_ST_PT,0xf);
-
-	SW_READ_REG(INCA_IP_Switch_ARL_CTL, regValue);
-
-	/* CRC GEN is enabled.
-	 */
-	regValue |= 0x00000200;
-	SW_WRITE_REG(INCA_IP_Switch_ARL_CTL, regValue);
-
-	/* ADD TAG is disabled.
-	 */
-	SW_READ_REG(INCA_IP_Switch_PMAC_HD_CTL, regValue);
-	regValue &= ~0x00000002;
-	SW_WRITE_REG(INCA_IP_Switch_PMAC_HD_CTL, regValue);
-}
-
-
-static void inca_dma_init(void)
-{
-	/* Switch off all DMA channels.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR0, INCA_IP_DMA_DMA_RXCCR0_OFF);
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR1, INCA_IP_DMA_DMA_RXCCR1_OFF);
-
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXCCR0, INCA_IP_DMA_DMA_RXCCR0_OFF);
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXCCR1, INCA_IP_DMA_DMA_TXCCR1_OFF);
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXCCR2, INCA_IP_DMA_DMA_TXCCR2_OFF);
-
-	/* Setup TX channel polling time.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXPOLL, INCA_DMA_TX_POLLING_TIME);
-
-	/* Setup RX channel polling time.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXPOLL, INCA_DMA_RX_POLLING_TIME);
-
-	/* ERRATA: write reset value into the DMA RX IMR register.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXIMR, 0xFFFFFFFF);
-
-	/* Just in case: disable all transmit interrupts also.
-	 */
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXIMR, 0xFFFFFFFF);
-
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_TXISR, 0xFFFFFFFF);
-	DMA_WRITE_REG(INCA_IP_DMA_DMA_RXISR, 0xFFFFFFFF);
-}
-
-#if defined(CONFIG_INCA_IP_SWITCH_AMDIX)
-static int inca_amdix(void)
-{
-	u32 phyReg1 = 0;
-	u32 phyReg4 = 0;
-	u32 phyReg5 = 0;
-	u32 phyReg6 = 0;
-	u32 phyReg31 = 0;
-	u32 regEphy = 0;
-	int mdi_flag;
-	int retries;
-
-	/* Setup GPIO pins.
-	 */
-	*INCA_IP_AUTO_MDIX_LAN_PORTS_DIR    |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
-	*INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
-
-#if 0
-	/* Wait for signal.
-	 */
-	retries = WAIT_SIGNAL_RETRIES;
-	while (--retries) {
-		SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-				(0x1 << 31) |	/* RA		*/
-				(0x0 << 30) |	/* Read		*/
-				(0x6 << 21) |	/* LAN		*/
-				(17  << 16));	/* PHY_MCSR	*/
-		do {
-			SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
-		} while (phyReg1 & (1 << 31));
-
-		if (phyReg1 & (1 << 1)) {
-			/* Signal detected */
-			break;
-		}
-	}
-
-	if (!retries)
-		goto Fail;
-#endif
-
-	/* Set MDI mode.
-	 */
-	*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT &= ~(1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
-	mdi_flag = 1;
-
-	/* Wait for link.
-	 */
-	retries = WAIT_LINK_RETRIES;
-	while (--retries) {
-		udelay(LINK_RETRY_DELAY * 1000);
-		SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-				(0x1 << 31) |	/* RA		*/
-				(0x0 << 30) |	/* Read		*/
-				(0x6 << 21) |	/* LAN		*/
-				(1   << 16));	/* PHY_BSR	*/
-		do {
-			SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
-		} while (phyReg1 & (1 << 31));
-
-		if (phyReg1 & (1 << 2)) {
-			/* Link is up */
-			break;
-		} else if (mdi_flag) {
-			/* Set MDIX mode */
-			*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
-			mdi_flag = 0;
-		} else {
-			/* Set MDI mode */
-			*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT &= ~(1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
-			mdi_flag = 1;
-		}
-	}
-
-	if (!retries) {
-		goto Fail;
-	} else {
-		SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-				(0x1 << 31) |	/* RA		*/
-				(0x0 << 30) |	/* Read		*/
-				(0x6 << 21) |	/* LAN		*/
-				(1   << 16));	/* PHY_BSR	*/
-		do {
-			SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
-		} while (phyReg1 & (1 << 31));
-
-		/* Auto-negotiation / Parallel detection complete
-		 */
-		if (phyReg1 & (1 << 5)) {
-			SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-				(0x1 << 31) |	/* RA		*/
-				(0x0 << 30) |	/* Read		*/
-				(0x6 << 21) |	/* LAN		*/
-				(31  << 16));	/* PHY_SCSR	*/
-			do {
-				SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg31);
-			} while (phyReg31 & (1 << 31));
-
-			switch ((phyReg31 >> 2) & 0x7) {
-			case INCA_SWITCH_PHY_SPEED_10H:
-				/* 10Base-T Half-duplex */
-				regEphy = 0;
-				break;
-			case INCA_SWITCH_PHY_SPEED_10F:
-				/* 10Base-T Full-duplex */
-				regEphy = INCA_IP_Switch_EPHY_DL;
-				break;
-			case INCA_SWITCH_PHY_SPEED_100H:
-				/* 100Base-TX Half-duplex */
-				regEphy = INCA_IP_Switch_EPHY_SL;
-				break;
-			case INCA_SWITCH_PHY_SPEED_100F:
-				/* 100Base-TX Full-duplex */
-				regEphy = INCA_IP_Switch_EPHY_SL | INCA_IP_Switch_EPHY_DL;
-				break;
-			}
-
-			/* In case of Auto-negotiation,
-			 * update the negotiated PAUSE support status
-			 */
-			if (phyReg1 & (1 << 3)) {
-				SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-					(0x1 << 31) |	/* RA		*/
-					(0x0 << 30) |	/* Read		*/
-					(0x6 << 21) |	/* LAN		*/
-					(6   << 16));	/* MII_EXPANSION	*/
-				do {
-					SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg6);
-				} while (phyReg6 & (1 << 31));
-
-				/* We are Autoneg-able.
-				 * Is Link partner also able to autoneg?
-				 */
-				if (phyReg6 & (1 << 0)) {
-					SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-						(0x1 << 31) |	/* RA		*/
-						(0x0 << 30) |	/* Read		*/
-						(0x6 << 21) |	/* LAN		*/
-						(4   << 16));	/* MII_ADVERTISE	*/
-					do {
-						SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg4);
-					} while (phyReg4 & (1 << 31));
-
-					/* We advertise PAUSE capab.
-					 * Does link partner also advertise it?
-					 */
-					if (phyReg4 & (1 << 10)) {
-						SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
-							(0x1 << 31) |	/* RA		*/
-							(0x0 << 30) |	/* Read		*/
-							(0x6 << 21) |	/* LAN		*/
-							(5   << 16));	/* MII_LPA	*/
-						do {
-							SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg5);
-						} while (phyReg5 & (1 << 31));
-
-						/* Link partner is PAUSE capab.
-						 */
-						if (phyReg5 & (1 << 10)) {
-							regEphy |= INCA_IP_Switch_EPHY_PL;
-						}
-					}
-				}
-
-			}
-
-			/* Link is up */
-			regEphy |= INCA_IP_Switch_EPHY_LL;
-
-			SW_WRITE_REG(INCA_IP_Switch_EPHY, regEphy);
-		}
-	}
-
-	return 0;
-
-Fail:
-	printf("No Link on LAN port\n");
-	return -1;
-}
-#endif /* CONFIG_INCA_IP_SWITCH_AMDIX */
diff --git a/drivers/net/lan91c96.h b/drivers/net/lan91c96.h
index 2f0d640..3e914ce 100644
--- a/drivers/net/lan91c96.h
+++ b/drivers/net/lan91c96.h
@@ -58,13 +58,7 @@ typedef unsigned long int		dword;
 
 #ifdef CONFIG_CPU_PXA25X
 
-#ifdef	CONFIG_LUBBOCK
-#define	SMC_IO_SHIFT	2
-#undef	USE_32_BIT
-
-#else
 #define	SMC_IO_SHIFT	0
-#endif
 
 #define	SMCREG(edev, r)	((edev)->iobase+((r)<<SMC_IO_SHIFT))
 
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c
index 71a3110..237fbba 100644
--- a/drivers/net/pcnet.c
+++ b/drivers/net/pcnet.c
@@ -71,12 +71,16 @@ struct pcnet_init_block {
 	u32 reserved2;
 };
 
-typedef struct pcnet_priv {
+struct pcnet_uncached_priv {
 	struct pcnet_rx_head rx_ring[RX_RING_SIZE];
 	struct pcnet_tx_head tx_ring[TX_RING_SIZE];
 	struct pcnet_init_block init_block;
+};
+
+typedef struct pcnet_priv {
+	struct pcnet_uncached_priv *uc;
 	/* Receive Buffer space */
-	unsigned char rx_buf[RX_RING_SIZE][PKT_BUF_SZ + 4];
+	unsigned char (*rx_buf)[RX_RING_SIZE][PKT_BUF_SZ + 4];
 	int cur_rx;
 	int cur_tx;
 } pcnet_priv_t;
@@ -283,6 +287,7 @@ static int pcnet_probe(struct eth_device *dev, bd_t *bis, int dev_nr)
 
 static int pcnet_init(struct eth_device *dev, bd_t *bis)
 {
+	struct pcnet_uncached_priv *uc;
 	int i, val;
 	u32 addr;
 
@@ -325,24 +330,35 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
 		addr = (u32)malloc(sizeof(pcnet_priv_t) + 0x10);
 		addr = (addr + 0xf) & ~0xf;
 		lp = (pcnet_priv_t *)addr;
+
+		addr = (u32)memalign(ARCH_DMA_MINALIGN, sizeof(*lp->uc));
+		flush_dcache_range(addr, addr + sizeof(*lp->uc));
+		addr = UNCACHED_SDRAM(addr);
+		lp->uc = (struct pcnet_uncached_priv *)addr;
+
+		addr = (u32)memalign(ARCH_DMA_MINALIGN, sizeof(*lp->rx_buf));
+		flush_dcache_range(addr, addr + sizeof(*lp->rx_buf));
+		lp->rx_buf = (void *)addr;
 	}
 
-	lp->init_block.mode = cpu_to_le16(0x0000);
-	lp->init_block.filter[0] = 0x00000000;
-	lp->init_block.filter[1] = 0x00000000;
+	uc = lp->uc;
+
+	uc->init_block.mode = cpu_to_le16(0x0000);
+	uc->init_block.filter[0] = 0x00000000;
+	uc->init_block.filter[1] = 0x00000000;
 
 	/*
 	 * Initialize the Rx ring.
 	 */
 	lp->cur_rx = 0;
 	for (i = 0; i < RX_RING_SIZE; i++) {
-		lp->rx_ring[i].base = PCI_TO_MEM_LE(dev, lp->rx_buf[i]);
-		lp->rx_ring[i].buf_length = cpu_to_le16(-PKT_BUF_SZ);
-		lp->rx_ring[i].status = cpu_to_le16(0x8000);
+		uc->rx_ring[i].base = PCI_TO_MEM_LE(dev, (*lp->rx_buf)[i]);
+		uc->rx_ring[i].buf_length = cpu_to_le16(-PKT_BUF_SZ);
+		uc->rx_ring[i].status = cpu_to_le16(0x8000);
 		PCNET_DEBUG1
 			("Rx%d: base=0x%x buf_length=0x%hx status=0x%hx\n", i,
-			 lp->rx_ring[i].base, lp->rx_ring[i].buf_length,
-			 lp->rx_ring[i].status);
+			 uc->rx_ring[i].base, uc->rx_ring[i].buf_length,
+			 uc->rx_ring[i].status);
 	}
 
 	/*
@@ -351,34 +367,34 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
 	 */
 	lp->cur_tx = 0;
 	for (i = 0; i < TX_RING_SIZE; i++) {
-		lp->tx_ring[i].base = 0;
-		lp->tx_ring[i].status = 0;
+		uc->tx_ring[i].base = 0;
+		uc->tx_ring[i].status = 0;
 	}
 
 	/*
 	 * Setup Init Block.
 	 */
-	PCNET_DEBUG1("Init block at 0x%p: MAC", &lp->init_block);
+	PCNET_DEBUG1("Init block at 0x%p: MAC", &lp->uc->init_block);
 
 	for (i = 0; i < 6; i++) {
-		lp->init_block.phys_addr[i] = dev->enetaddr[i];
-		PCNET_DEBUG1(" %02x", lp->init_block.phys_addr[i]);
+		lp->uc->init_block.phys_addr[i] = dev->enetaddr[i];
+		PCNET_DEBUG1(" %02x", lp->uc->init_block.phys_addr[i]);
 	}
 
-	lp->init_block.tlen_rlen = cpu_to_le16(TX_RING_LEN_BITS |
+	uc->init_block.tlen_rlen = cpu_to_le16(TX_RING_LEN_BITS |
 					       RX_RING_LEN_BITS);
-	lp->init_block.rx_ring = PCI_TO_MEM_LE(dev, lp->rx_ring);
-	lp->init_block.tx_ring = PCI_TO_MEM_LE(dev, lp->tx_ring);
-	flush_dcache_range((unsigned long)lp, (unsigned long)&lp->rx_buf);
+	uc->init_block.rx_ring = PCI_TO_MEM_LE(dev, uc->rx_ring);
+	uc->init_block.tx_ring = PCI_TO_MEM_LE(dev, uc->tx_ring);
 
 	PCNET_DEBUG1("\ntlen_rlen=0x%x rx_ring=0x%x tx_ring=0x%x\n",
-		     lp->init_block.tlen_rlen,
-		     lp->init_block.rx_ring, lp->init_block.tx_ring);
+		     uc->init_block.tlen_rlen,
+		     uc->init_block.rx_ring, uc->init_block.tx_ring);
 
 	/*
 	 * Tell the controller where the Init Block is located.
 	 */
-	addr = PCI_TO_MEM(dev, &lp->init_block);
+	barrier();
+	addr = PCI_TO_MEM(dev, &lp->uc->init_block);
 	pcnet_write_csr(dev, 1, addr & 0xffff);
 	pcnet_write_csr(dev, 2, (addr >> 16) & 0xffff);
 
@@ -408,7 +424,7 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
 static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
 {
 	int i, status;
-	struct pcnet_tx_head *entry = &lp->tx_ring[lp->cur_tx];
+	struct pcnet_tx_head *entry = &lp->uc->tx_ring[lp->cur_tx];
 
 	PCNET_DEBUG2("Tx%d: %d bytes from 0x%p ", lp->cur_tx, pkt_len,
 		     packet);
@@ -418,9 +434,7 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
 
 	/* Wait for completion by testing the OWN bit */
 	for (i = 1000; i > 0; i--) {
-		invalidate_dcache_range((unsigned long)entry,
-					(unsigned long)entry + sizeof(*entry));
-		status = le16_to_cpu(entry->status);
+		status = readw(&entry->status);
 		if ((status & 0x8000) == 0)
 			break;
 		udelay(100);
@@ -437,13 +451,10 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
 	 * Setup Tx ring. Caution: the write order is important here,
 	 * set the status with the "ownership" bits last.
 	 */
-	status = 0x8300;
-	entry->length = cpu_to_le16(-pkt_len);
-	entry->misc = 0x00000000;
-	entry->base = PCI_TO_MEM_LE(dev, packet);
-	entry->status = cpu_to_le16(status);
-	flush_dcache_range((unsigned long)entry,
-			   (unsigned long)entry + sizeof(*entry));
+	writew(-pkt_len, &entry->length);
+	writel(0, &entry->misc);
+	writel(PCI_TO_MEM(dev, packet), &entry->base);
+	writew(0x8300, &entry->status);
 
 	/* Trigger an immediate send poll. */
 	pcnet_write_csr(dev, 0, 0x0008);
@@ -459,54 +470,51 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
 static int pcnet_recv (struct eth_device *dev)
 {
 	struct pcnet_rx_head *entry;
+	unsigned char *buf;
 	int pkt_len = 0;
-	u16 status;
+	u16 status, err_status;
 
 	while (1) {
-		entry = &lp->rx_ring[lp->cur_rx];
-		invalidate_dcache_range((unsigned long)entry,
-					(unsigned long)entry + sizeof(*entry));
+		entry = &lp->uc->rx_ring[lp->cur_rx];
 		/*
 		 * If we own the next entry, it's a new packet. Send it up.
 		 */
-		status = le16_to_cpu(entry->status);
+		status = readw(&entry->status);
 		if ((status & 0x8000) != 0)
 			break;
-		status >>= 8;
+		err_status = status >> 8;
 
-		if (status != 0x03) {	/* There was an error. */
+		if (err_status != 0x03) {	/* There was an error. */
 			printf("%s: Rx%d", dev->name, lp->cur_rx);
-			PCNET_DEBUG1(" (status=0x%x)", status);
-			if (status & 0x20)
+			PCNET_DEBUG1(" (status=0x%x)", err_status);
+			if (err_status & 0x20)
 				printf(" Frame");
-			if (status & 0x10)
+			if (err_status & 0x10)
 				printf(" Overflow");
-			if (status & 0x08)
+			if (err_status & 0x08)
 				printf(" CRC");
-			if (status & 0x04)
+			if (err_status & 0x04)
 				printf(" Fifo");
 			printf(" Error\n");
-			entry->status &= le16_to_cpu(0x03ff);
+			status &= 0x03ff;
 
 		} else {
-			pkt_len = (le32_to_cpu(entry->msg_length) & 0xfff) - 4;
+			pkt_len = (readl(&entry->msg_length) & 0xfff) - 4;
 			if (pkt_len < 60) {
 				printf("%s: Rx%d: invalid packet length %d\n",
 				       dev->name, lp->cur_rx, pkt_len);
 			} else {
-				invalidate_dcache_range(
-					(unsigned long)lp->rx_buf[lp->cur_rx],
-					(unsigned long)lp->rx_buf[lp->cur_rx] +
-					pkt_len);
-				NetReceive(lp->rx_buf[lp->cur_rx], pkt_len);
+				buf = (*lp->rx_buf)[lp->cur_rx];
+				invalidate_dcache_range((unsigned long)buf,
+					(unsigned long)buf + pkt_len);
+				NetReceive(buf, pkt_len);
 				PCNET_DEBUG2("Rx%d: %d bytes from 0x%p\n",
-					     lp->cur_rx, pkt_len,
-					     lp->rx_buf[lp->cur_rx]);
+					     lp->cur_rx, pkt_len, buf);
 			}
 		}
-		entry->status |= cpu_to_le16(0x8000);
-		flush_dcache_range((unsigned long)entry,
-				   (unsigned long)entry + sizeof(*entry));
+
+		status |= 0x8000;
+		writew(status, &entry->status);
 
 		if (++lp->cur_rx >= RX_RING_SIZE)
 			lp->cur_rx = 0;
diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c
index b80980d..abd4e5b 100644
--- a/drivers/net/phy/atheros.c
+++ b/drivers/net/phy/atheros.c
@@ -53,7 +53,7 @@ static struct phy_driver AR8031_driver =  {
 	.uid = 0x4dd074,
 	.mask = 0xffffffef,
 	.features = PHY_GBIT_FEATURES,
-	.config = genphy_config,
+	.config = ar8021_config,
 	.startup = genphy_startup,
 	.shutdown = genphy_shutdown,
 };
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index c555979..3a55d27 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -296,7 +296,7 @@ static struct phy_driver VSC8574_driver = {
 
 static struct phy_driver VSC8514_driver = {
 	.name = "Vitesse VSC8514",
-	.uid = 0x70570,
+	.uid = 0x70670,
 	.mask = 0xffff0,
 	.features = PHY_GBIT_FEATURES,
 	.config = &vsc8514_config,
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 101489c..3cadd23 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -11,6 +11,7 @@
 
 #include <common.h>
 #include <net.h>
+#include <netdev.h>
 #include <config.h>
 #include <fdtdec.h>
 #include <libfdt.h>
@@ -338,7 +339,8 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis)
 	phy_detection(dev);
 
 	/* interface - look at tsec */
-	phydev = phy_connect(priv->bus, priv->phyaddr, dev, 0);
+	phydev = phy_connect(priv->bus, priv->phyaddr, dev,
+			     PHY_INTERFACE_MODE_MII);
 
 	phydev->supported = supported | ADVERTISED_Pause |
 			    ADVERTISED_Asym_Pause;
diff --git a/drivers/pcmcia/mpc8xx_pcmcia.c b/drivers/pcmcia/mpc8xx_pcmcia.c
index 3732583..6638277 100644
--- a/drivers/pcmcia/mpc8xx_pcmcia.c
+++ b/drivers/pcmcia/mpc8xx_pcmcia.c
@@ -211,7 +211,7 @@ static u_int m8xx_get_graycode(u_int size)
 
 #if	0
 
-#if	defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)
+#if defined(CONFIG_RPXLITE)
 
 /* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks.
  * SYPCR is write once only, therefore must the slowest memory be faster
diff --git a/drivers/pcmcia/rpx_pcmcia.c b/drivers/pcmcia/rpx_pcmcia.c
index c7c425b..5b24f0b 100644
--- a/drivers/pcmcia/rpx_pcmcia.c
+++ b/drivers/pcmcia/rpx_pcmcia.c
@@ -18,7 +18,7 @@
 #endif
 
 #if	defined(CONFIG_PCMCIA)	\
-	&& (defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE))
+	&& defined(CONFIG_RPXLITE)
 
 #define	PCMCIA_BOARD_MSG	"RPX CLASSIC or RPX LITE"
 
@@ -70,4 +70,4 @@ static int pcmcia_hardware_disable(int slot)
 #endif
 
 
-#endif	/* CONFIG_PCMCIA && (CONFIG_RPXCLASSIC || CONFIG_RPXLITE) */
+#endif	/* CONFIG_PCMCIA && CONFIG_RPXLITE */
diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c
index b5ddc4b..b1da75e 100644
--- a/drivers/qe/qe.c
+++ b/drivers/qe/qe.c
@@ -165,7 +165,7 @@ void qe_init(uint qe_base)
 	/*
 	 * Upload microcode to IRAM for those SOCs which do not have ROM in QE.
 	 */
-	qe_upload_firmware((const void *)CONFIG_SYS_QE_FMAN_FW_ADDR);
+	qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR);
 
 	/* enable the microcode in IRAM */
 	out_be32(&qe_immr->iram.iready,QE_IRAM_READY);
diff --git a/drivers/qe/qe.h b/drivers/qe/qe.h
index c82ac7b..ebb7c5f 100644
--- a/drivers/qe/qe.h
+++ b/drivers/qe/qe.h
@@ -282,5 +282,7 @@ int qe_set_mii_clk_src(int ucc_num);
 int qe_upload_firmware(const struct qe_firmware *firmware);
 struct qe_firmware_info *qe_get_firmware_info(void);
 void ft_qe_setup(void *blob);
+void qe_init(uint qe_base);
+void qe_reset(void);
 
 #endif /* __QE_H__ */
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index df05bde..c4fb59c 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -117,7 +117,7 @@ serial_initfunc(ns16550_serial_initialize);
 serial_initfunc(pxa_serial_initialize);
 serial_initfunc(s3c24xx_serial_initialize);
 serial_initfunc(s5p_serial_initialize);
-serial_initfunc(zynq_serial_initalize);
+serial_initfunc(zynq_serial_initialize);
 serial_initfunc(bfin_serial_initialize);
 serial_initfunc(bfin_jtag_initialize);
 serial_initfunc(mpc512x_serial_initialize);
@@ -214,7 +214,7 @@ void serial_initialize(void)
 	bfin_serial_initialize();
 	bfin_jtag_initialize();
 	uartlite_serial_initialize();
-	zynq_serial_initalize();
+	zynq_serial_initialize();
 	au1x00_serial_initialize();
 	asc_serial_initialize();
 	jz_serial_initialize();
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index 53a8af0..1ff27d5 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -153,17 +153,17 @@ static int uart_zynq_serial_getc(const int port)
 
 /* Multi serial device functions */
 #define DECLARE_PSSERIAL_FUNCTIONS(port) \
-	int uart_zynq##port##_init(void) \
+	static int uart_zynq##port##_init(void) \
 				{ return uart_zynq_serial_init(port); } \
-	void uart_zynq##port##_setbrg(void) \
+	static void uart_zynq##port##_setbrg(void) \
 				{ return uart_zynq_serial_setbrg(port); } \
-	int uart_zynq##port##_getc(void) \
+	static int uart_zynq##port##_getc(void) \
 				{ return uart_zynq_serial_getc(port); } \
-	int uart_zynq##port##_tstc(void) \
+	static int uart_zynq##port##_tstc(void) \
 				{ return uart_zynq_serial_tstc(port); } \
-	void uart_zynq##port##_putc(const char c) \
+	static void uart_zynq##port##_putc(const char c) \
 				{ uart_zynq_serial_putc(c, port); } \
-	void uart_zynq##port##_puts(const char *s) \
+	static void uart_zynq##port##_puts(const char *s) \
 				{ uart_zynq_serial_puts(s, port); }
 
 /* Serial device descriptor */
@@ -179,10 +179,10 @@ static int uart_zynq_serial_getc(const int port)
 }
 
 DECLARE_PSSERIAL_FUNCTIONS(0);
-struct serial_device uart_zynq_serial0_device =
+static struct serial_device uart_zynq_serial0_device =
 	INIT_PSSERIAL_STRUCTURE(0, "ttyPS0");
 DECLARE_PSSERIAL_FUNCTIONS(1);
-struct serial_device uart_zynq_serial1_device =
+static struct serial_device uart_zynq_serial1_device =
 	INIT_PSSERIAL_STRUCTURE(1, "ttyPS1");
 
 #ifdef CONFIG_OF_CONTROL
@@ -223,7 +223,7 @@ __weak struct serial_device *default_serial_console(void)
 }
 #endif
 
-void zynq_serial_initalize(void)
+void zynq_serial_initialize(void)
 {
 	serial_register(&uart_zynq_serial0_device);
 	serial_register(&uart_zynq_serial1_device);
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 804a2bd..896c8d4 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -13,6 +13,7 @@ ifdef CONFIG_USB_GADGET
 obj-$(CONFIG_USB_GADGET_ATMEL_USBA) += atmel_usba_udc.o
 obj-$(CONFIG_USB_GADGET_S3C_UDC_OTG) += s3c_udc_otg.o
 obj-$(CONFIG_USB_GADGET_FOTG210) += fotg210.o
+obj-$(CONFIG_CI_UDC)	+= ci_udc.o
 obj-$(CONFIG_THOR_FUNCTION) += f_thor.o
 obj-$(CONFIG_USBDOWNLOAD_GADGET) += g_dnl.o
 obj-$(CONFIG_DFU_FUNCTION) += f_dfu.o
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index 14b1e9b..02d3fda 100644
--- a/drivers/usb/gadget/ci_udc.c
+++ b/drivers/usb/gadget/ci_udc.c
@@ -321,7 +321,7 @@ static void ci_debounce(struct ci_ep *ep, int in)
 	if (addr == ba)
 		return;		/* not a bounce */
 
-	memcpy(ep->req.buf, ep->b_buf, ep->req.length);
+	memcpy(ep->req.buf, ep->b_buf, ep->req.actual);
 free:
 	/* Large payloads use allocated buffer, free it. */
 	if (ep->b_buf != ep->b_fast)
@@ -350,6 +350,9 @@ static int ci_ep_queue(struct usb_ep *ep,
 	item->info = INFO_BYTES(len) | INFO_IOC | INFO_ACTIVE;
 	item->page0 = (uint32_t)ci_ep->b_buf;
 	item->page1 = ((uint32_t)ci_ep->b_buf & 0xfffff000) + 0x1000;
+	item->page2 = ((uint32_t)ci_ep->b_buf & 0xfffff000) + 0x2000;
+	item->page3 = ((uint32_t)ci_ep->b_buf & 0xfffff000) + 0x3000;
+	item->page4 = ((uint32_t)ci_ep->b_buf & 0xfffff000) + 0x4000;
 	ci_flush_qtd(num);
 
 	head->next = (unsigned) item;
@@ -385,7 +388,7 @@ static void handle_ep_complete(struct ci_ep *ep)
 		       num, in ? "in" : "out", item->info, item->page0);
 
 	len = (item->info >> 16) & 0x7fff;
-	ep->req.length -= len;
+	ep->req.actual = ep->req.length - len;
 	ci_debounce(ep, in);
 
 	DBG("ept%d %s complete %x\n",
@@ -413,7 +416,11 @@ static void handle_setup(void)
 
 	ci_invalidate_qh(0);
 	memcpy(&r, head->setup_data, sizeof(struct usb_ctrlrequest));
+#ifdef CONFIG_CI_UDC_HAS_HOSTPC
+	writel(EPT_RX(0), &udc->epsetupstat);
+#else
 	writel(EPT_RX(0), &udc->epstat);
+#endif
 	DBG("handle setup %s, %x, %x index %x value %x\n", reqname(r.bRequest),
 	    r.bRequestType, r.bRequest, r.wIndex, r.wValue);
 
@@ -480,6 +487,9 @@ static void stop_activity(void)
 	struct ept_queue_head *head;
 	struct ci_udc *udc = (struct ci_udc *)controller.ctrl->hcor;
 	writel(readl(&udc->epcomp), &udc->epcomp);
+#ifdef CONFIG_CI_UDC_HAS_HOSTPC
+	writel(readl(&udc->epsetupstat), &udc->epsetupstat);
+#endif
 	writel(readl(&udc->epstat), &udc->epstat);
 	writel(0xffffffff, &udc->epflush);
 
@@ -521,7 +531,11 @@ void udc_irq(void)
 		int max = 64;
 		int speed = USB_SPEED_FULL;
 
+#ifdef CONFIG_CI_UDC_HAS_HOSTPC
+		bit = (readl(&udc->hostpc1_devlc) >> 25) & 3;
+#else
 		bit = (readl(&udc->portsc) >> 26) & 3;
+#endif
 		DBG("-- portchange %x %s\n", bit, (bit == 2) ? "High" : "Full");
 		if (bit == 2) {
 			speed = USB_SPEED_HIGH;
@@ -538,7 +552,11 @@ void udc_irq(void)
 		printf("<UEI %x>\n", readl(&udc->epcomp));
 
 	if ((n & STS_UI) || (n & STS_UEI)) {
+#ifdef CONFIG_CI_UDC_HAS_HOSTPC
+		n = readl(&udc->epsetupstat);
+#else
 		n = readl(&udc->epstat);
+#endif
 		if (n & EPT_RX(0))
 			handle_setup();
 
@@ -699,7 +717,6 @@ static int ci_udc_probe(void)
 
 int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 {
-	struct ci_udc *udc;
 	int ret;
 
 	if (!driver)
@@ -714,12 +731,18 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 		return ret;
 
 	ret = ci_udc_probe();
+#if defined(CONFIG_USB_EHCI_MX6) || defined(CONFIG_USB_EHCI_MXS)
+	/*
+	 * FIXME: usb_lowlevel_init()->ehci_hcd_init() should be doing all
+	 * HW-specific initialization, e.g. ULPI-vs-UTMI PHY selection
+	 */
 	if (!ret) {
-		udc = (struct ci_udc *)controller.ctrl->hcor;
+		struct ci_udc *udc = (struct ci_udc *)controller.ctrl->hcor;
 
 		/* select ULPI phy */
 		writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc);
 	}
+#endif
 
 	ret = driver->bind(&controller.gadget);
 	if (ret) {
diff --git a/drivers/usb/gadget/ci_udc.h b/drivers/usb/gadget/ci_udc.h
index 42f6ef4..4425fd9 100644
--- a/drivers/usb/gadget/ci_udc.h
+++ b/drivers/usb/gadget/ci_udc.h
@@ -8,45 +8,74 @@
 
 #define NUM_ENDPOINTS		6
 
+#ifdef CONFIG_CI_UDC_HAS_HOSTPC
+struct ci_udc {
+	u32 usbcmd;		/* 0x130 */
+	u32 usbsts;		/* 0x134 */
+	u32 pad1[3];
+	u32 devaddr;		/* 0x144 */
+	u32 epinitaddr;		/* 0x148 */
+	u32 pad2[10];
+	u32 portsc;		/* 0x174 */
+	u32 pad178[(0x1b4 - (0x174 + 4)) / 4];
+	u32 hostpc1_devlc;	/* 0x1b4 */
+	u32 pad1b8[(0x1f8 - (0x1b4 + 4)) / 4];
+	u32 usbmode;		/* 0x1f8 */
+	u32 pad1fc[(0x208 - (0x1f8 + 4)) / 4];
+	u32 epsetupstat;	/* 0x208 */
+	u32 epprime;		/* 0x20c */
+	u32 epflush;		/* 0x210 */
+	u32 epstat;		/* 0x214 */
+	u32 epcomp;		/* 0x218 */
+	u32 epctrl[16];		/* 0x21c */
+};
+#else
 struct ci_udc {
-#define MICRO_8FRAME	0x8
-#define USBCMD_ITC(x)	((((x) > 0xff) ? 0xff : x) << 16)
-#define USBCMD_FS2	(1 << 15)
-#define USBCMD_RST	(1 << 1)
-#define USBCMD_RUN	(1)
 	u32 usbcmd;		/* 0x140 */
-#define STS_SLI		(1 << 8)
-#define STS_URI		(1 << 6)
-#define STS_PCI		(1 << 2)
-#define STS_UEI		(1 << 1)
-#define STS_UI		(1 << 0)
 	u32 usbsts;		/* 0x144 */
 	u32 pad1[3];
 	u32 devaddr;		/* 0x154 */
 	u32 epinitaddr;		/* 0x158 */
 	u32 pad2[10];
-#define PTS_ENABLE	2
-#define PTS(x)		(((x) & 0x3) << 30)
-#define PFSC		(1 << 24)
 	u32 portsc;		/* 0x184 */
 	u32 pad3[8];
-#define USBMODE_DEVICE	2
 	u32 usbmode;		/* 0x1a8 */
 	u32 epstat;		/* 0x1ac */
-#define EPT_TX(x)	(1 << (((x) & 0xffff) + 16))
-#define EPT_RX(x)	(1 << ((x) & 0xffff))
 	u32 epprime;		/* 0x1b0 */
 	u32 epflush;		/* 0x1b4 */
 	u32 pad4;
 	u32 epcomp;		/* 0x1bc */
+	u32 epctrl[16];		/* 0x1c0 */
+};
+
+#define PTS_ENABLE	2
+#define PTS(x)		(((x) & 0x3) << 30)
+#define PFSC		(1 << 24)
+#endif
+
+#define MICRO_8FRAME	0x8
+#define USBCMD_ITC(x)	((((x) > 0xff) ? 0xff : x) << 16)
+#define USBCMD_FS2	(1 << 15)
+#define USBCMD_RST	(1 << 1)
+#define USBCMD_RUN	(1)
+
+#define STS_SLI		(1 << 8)
+#define STS_URI		(1 << 6)
+#define STS_PCI		(1 << 2)
+#define STS_UEI		(1 << 1)
+#define STS_UI		(1 << 0)
+
+#define USBMODE_DEVICE	2
+
+#define EPT_TX(x)	(1 << (((x) & 0xffff) + 16))
+#define EPT_RX(x)	(1 << ((x) & 0xffff))
+
 #define CTRL_TXE	(1 << 23)
 #define CTRL_TXR	(1 << 22)
 #define CTRL_RXE	(1 << 7)
 #define CTRL_RXR	(1 << 6)
 #define CTRL_TXT_BULK	(2 << 18)
 #define CTRL_RXT_BULK	(2 << 2)
-	u32 epctrl[16];		/* 0x1c0 */
-};
 
 struct ci_ep {
 	struct usb_ep ep;
diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c
index de75ff1..1b1e179 100644
--- a/drivers/usb/gadget/f_dfu.c
+++ b/drivers/usb/gadget/f_dfu.c
@@ -24,6 +24,7 @@
 #include <linux/usb/composite.h>
 
 #include <dfu.h>
+#include <g_dnl.h>
 #include "f_dfu.h"
 
 struct f_dfu {
@@ -817,3 +818,5 @@ int dfu_add(struct usb_configuration *c)
 
 	return dfu_bind_config(c);
 }
+
+DECLARE_GADGET_BIND_CALLBACK(usb_dnl_dfu, dfu_add);
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index f896169..6374bb9 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -243,7 +243,7 @@
 #include <config.h>
 #include <malloc.h>
 #include <common.h>
-#include <usb.h>
+#include <g_dnl.h>
 
 #include <linux/err.h>
 #include <linux/usb/ch9.h>
@@ -255,6 +255,7 @@
 #include <linux/usb/gadget.h>
 #include <linux/usb/composite.h>
 #include <usb/lin_gadget_compat.h>
+#include <g_dnl.h>
 
 /*------------------------------------------------------------------------*/
 
@@ -680,11 +681,11 @@ static int sleep_thread(struct fsg_common *common)
 			/* Handle CTRL+C */
 			if (ctrlc())
 				return -EPIPE;
-#ifdef CONFIG_USB_CABLE_CHECK
+
 			/* Check cable connection */
-			if (!usb_cable_connected())
+			if (!g_dnl_board_usb_cable_connected())
 				return -EIO;
-#endif
+
 			k = 0;
 		}
 
@@ -2778,3 +2779,5 @@ int fsg_init(struct ums *ums_dev)
 
 	return 0;
 }
+
+DECLARE_GADGET_BIND_CALLBACK(usb_dnl_ums, fsg_add);
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index f5c0224..feef9e4 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -204,14 +204,14 @@ static long long int download_head(unsigned long long total,
 
 static int download_tail(long long int left, int cnt)
 {
+	struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num);
 	void *transfer_buffer = dfu_get_buf();
 	int ret;
 
 	debug("%s: left: %llu cnt: %d\n", __func__, left, cnt);
 
 	if (left) {
-		ret = dfu_write(dfu_get_entity(alt_setting_num),
-				transfer_buffer, left, cnt++);
+		ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
 		if (ret) {
 			error("DFU write failed [%d]: left: %llu", ret, left);
 			return ret;
@@ -225,11 +225,16 @@ static int download_tail(long long int left, int cnt)
 	 * This also frees memory malloc'ed by dfu_get_buf(), so no explicit
 	 * need fo call dfu_free_buf() is needed.
 	 */
-	ret = dfu_write(dfu_get_entity(alt_setting_num),
-			transfer_buffer, 0, cnt);
+	ret = dfu_write(dfu_entity, transfer_buffer, 0, cnt);
 	if (ret)
 		error("DFU write failed [%d] cnt: %d", ret, cnt);
 
+	ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
+	if (ret) {
+		error("DFU flush failed!");
+		return ret;
+	}
+
 	return ret;
 }
 
@@ -999,3 +1004,5 @@ int thor_add(struct usb_configuration *c)
 	debug("%s:\n", __func__);
 	return thor_func_init(c);
 }
+
+DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor, thor_add);
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index dd95afe..25611ac 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -41,7 +41,6 @@
 
 #define DRIVER_VERSION		"usb_dnl 2.0"
 
-static const char shortname[] = "usb_dnl_";
 static const char product[] = "USB download gadget";
 static char g_dnl_serial[MAX_STRING_SERIAL];
 static const char manufacturer[] = CONFIG_G_DNL_MANUFACTURER;
@@ -96,29 +95,36 @@ static int g_dnl_unbind(struct usb_composite_dev *cdev)
 	free(cdev->config);
 	cdev->config = NULL;
 	debug("%s: calling usb_gadget_disconnect for "
-			"controller '%s'\n", shortname, gadget->name);
+			"controller '%s'\n", __func__, gadget->name);
 	usb_gadget_disconnect(gadget);
 
 	return 0;
 }
 
+static inline struct g_dnl_bind_callback *g_dnl_bind_callback_first(void)
+{
+	return ll_entry_start(struct g_dnl_bind_callback,
+				g_dnl_bind_callbacks);
+}
+
+static inline struct g_dnl_bind_callback *g_dnl_bind_callback_end(void)
+{
+	return ll_entry_end(struct g_dnl_bind_callback,
+				g_dnl_bind_callbacks);
+}
+
 static int g_dnl_do_config(struct usb_configuration *c)
 {
 	const char *s = c->cdev->driver->name;
-	int ret = -1;
+	struct g_dnl_bind_callback *callback = g_dnl_bind_callback_first();
 
 	debug("%s: configuration: 0x%p composite dev: 0x%p\n",
 	      __func__, c, c->cdev);
 
-	printf("GADGET DRIVER: %s\n", s);
-	if (!strcmp(s, "usb_dnl_dfu"))
-		ret = dfu_add(c);
-	else if (!strcmp(s, "usb_dnl_ums"))
-		ret = fsg_add(c);
-	else if (!strcmp(s, "usb_dnl_thor"))
-		ret = thor_add(c);
-
-	return ret;
+	for (; callback != g_dnl_bind_callback_end(); callback++)
+		if (!strcmp(s, callback->usb_function_name))
+			return callback->fptr(c);
+	return -ENODEV;
 }
 
 static int g_dnl_config_register(struct usb_composite_dev *cdev)
@@ -152,6 +158,11 @@ __weak int g_dnl_get_board_bcd_device_number(int gcnum)
 	return gcnum;
 }
 
+__weak int g_dnl_board_usb_cable_connected(void)
+{
+	return -EOPNOTSUPP;
+}
+
 static int g_dnl_get_bcd_device_number(struct usb_composite_dev *cdev)
 {
 	struct usb_gadget *gadget = cdev->gadget;
@@ -203,12 +214,12 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
 		device_desc.bcdDevice = cpu_to_le16(gcnum);
 	else {
 		debug("%s: controller '%s' not recognized\n",
-			shortname, gadget->name);
+			__func__, gadget->name);
 		device_desc.bcdDevice = __constant_cpu_to_le16(0x9999);
 	}
 
 	debug("%s: calling usb_gadget_connect for "
-			"controller '%s'\n", shortname, gadget->name);
+			"controller '%s'\n", __func__, gadget->name);
 	usb_gadget_connect(gadget);
 
 	return 0;
@@ -227,36 +238,23 @@ static struct usb_composite_driver g_dnl_driver = {
 	.unbind = g_dnl_unbind,
 };
 
-int g_dnl_register(const char *type)
+/*
+ * NOTICE:
+ * Registering via USB function name won't be necessary after rewriting
+ * g_dnl to support multiple USB functions.
+ */
+int g_dnl_register(const char *name)
 {
-	/* The largest function name is 4 */
-	static char name[sizeof(shortname) + 4];
 	int ret;
 
-	if (!strcmp(type, "dfu")) {
-		strcpy(name, shortname);
-		strcat(name, type);
-	} else if (!strcmp(type, "ums")) {
-		strcpy(name, shortname);
-		strcat(name, type);
-	} else if (!strcmp(type, "thor")) {
-		strcpy(name, shortname);
-		strcat(name, type);
-	} else {
-		printf("%s: unknown command: %s\n", __func__, type);
-		return -EINVAL;
-	}
-
+	debug("%s: g_dnl_driver.name = %s\n", __func__, name);
 	g_dnl_driver.name = name;
 
-	debug("%s: g_dnl_driver.name: %s\n", __func__, g_dnl_driver.name);
 	ret = usb_composite_register(&g_dnl_driver);
-
 	if (ret) {
 		printf("%s: failed!, error: %d\n", __func__, ret);
 		return ret;
 	}
-
 	return 0;
 }
 
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 02803df..7430074 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -311,7 +311,11 @@ static struct fsg_lun *fsg_lun_from_dev(struct device *dev)
 #define DELAYED_STATUS	(EP0_BUFSIZE + 999)	/* An impossibly large value */
 
 /* Number of buffers we will use.  2 is enough for double-buffering */
+#ifndef CONFIG_CI_UDC
 #define FSG_NUM_BUFFERS	2
+#else
+#define FSG_NUM_BUFFERS	1 /* ci_udc only allows 1 req per ep at present */
+#endif
 
 /* Default size of buffer length. */
 #define FSG_BUFLEN	((u32)16384)
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index de5fa3f..8c3ff64 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -108,6 +108,9 @@ usb_gadget_get_string(struct usb_gadget_strings *table, int id, u8 *buf)
 	struct usb_string	*s;
 	int			len;
 
+	if (!table)
+		return -EINVAL;
+
 	/* descriptor 0 has the language id */
 	if (id == 0) {
 		buf[0] = 4;
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 578b097..b301e28 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o
 obj-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o
 obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
 obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o
+obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o
 
 # xhci
 obj-$(CONFIG_USB_XHCI) += xhci.o xhci-mem.o xhci-ring.o
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 9356878..edd91a8 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -197,7 +197,8 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 
 #ifdef CONFIG_OF_CONTROL
 	/* setup the Vbus gpio here */
-	if (!fdtdec_setup_gpio(&ctx->vbus_gpio))
+	if (fdt_gpio_isvalid(&ctx->vbus_gpio) &&
+	    !fdtdec_setup_gpio(&ctx->vbus_gpio))
 		gpio_direction_output(ctx->vbus_gpio.gpio, 1);
 #endif
 
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 1ca7cf5..6cb4d98 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -14,9 +14,12 @@
 #include <asm/io.h>
 #include <usb/ehci-fsl.h>
 #include <hwconfig.h>
+#include <asm/fsl_errata.h>
 
 #include "ehci.h"
 
+static void set_txfifothresh(struct usb_ehci *, u32);
+
 /* Check USB PHY clock valid */
 static int usb_phy_clk_valid(struct usb_ehci *ehci)
 {
@@ -41,11 +44,23 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 	struct usb_ehci *ehci = NULL;
 	const char *phy_type = NULL;
 	size_t len;
+	char current_usb_controller[5];
 #ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
 	char usb_phy[5];
 
 	usb_phy[0] = '\0';
 #endif
+	if (has_erratum_a007075()) {
+		/*
+		 * A 5ms delay is needed after applying soft-reset to the
+		 * controller to let external ULPI phy come out of reset.
+		 * This delay needs to be added before re-initializing
+		 * the controller after soft-resetting completes
+		 */
+		mdelay(5);
+	}
+	memset(current_usb_controller, '\0', 5);
+	snprintf(current_usb_controller, 4, "usb%d", index+1);
 
 	switch (index) {
 	case 0:
@@ -70,8 +85,9 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 	out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
 
 	/* Init phy */
-	if (hwconfig_sub("usb1", "phy_type"))
-		phy_type = hwconfig_subarg("usb1", "phy_type", &len);
+	if (hwconfig_sub(current_usb_controller, "phy_type"))
+		phy_type = hwconfig_subarg(current_usb_controller,
+				"phy_type", &len);
 	else
 		phy_type = getenv("usb_phy_type");
 
@@ -109,6 +125,10 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 
 	in_le32(&ehci->usbmode);
 
+	if (SVR_SOC_VER(get_svr()) == SVR_T4240 &&
+	    IS_SVR_REV(get_svr(), 2, 0))
+		set_txfifothresh(ehci, TXFIFOTHRESH);
+
 	return 0;
 }
 
@@ -120,3 +140,17 @@ int ehci_hcd_stop(int index)
 {
 	return 0;
 }
+
+/*
+ * Setting the value of TXFIFO_THRESH field in TXFILLTUNING register
+ * to counter DDR latencies in writing data into Tx buffer.
+ * This prevents Tx buffer from getting underrun
+ */
+static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh)
+{
+	u32 cmd;
+	cmd = ehci_readl(&ehci->txfilltuning);
+	cmd &= ~TXFIFO_THRESH_MASK;
+	cmd |= TXFIFO_THRESH(txfifo_thresh);
+	ehci_writel(&ehci->txfilltuning, cmd);
+}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 6017090..eaf5913 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -998,8 +998,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
 	if (!ehcic[index].periodic_list)
 		return -ENOMEM;
 	for (i = 0; i < 1024; i++) {
-		ehcic[index].periodic_list[i] = (uint32_t)periodic
-						| QH_LINK_TYPE_QH;
+		ehcic[index].periodic_list[i] = cpu_to_hc32((uint32_t)periodic
+						| QH_LINK_TYPE_QH);
 	}
 
 	flush_dcache_range((uint32_t)ehcic[index].periodic_list,
@@ -1089,7 +1089,7 @@ struct int_queue {
 	struct qTD *tds;
 };
 
-#define NEXT_QH(qh) (struct QH *)((qh)->qh_link & ~0x1f)
+#define NEXT_QH(qh) (struct QH *)(hc32_to_cpu((qh)->qh_link) & ~0x1f)
 
 static int
 enable_periodic(struct ehci_ctrl *ctrl)
@@ -1184,41 +1184,47 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
 		struct qTD *td = result->tds + i;
 		void **buf = &qh->buffer;
 
-		qh->qh_link = (uint32_t)(qh+1) | QH_LINK_TYPE_QH;
+		qh->qh_link = cpu_to_hc32((uint32_t)(qh+1) | QH_LINK_TYPE_QH);
 		if (i == queuesize - 1)
-			qh->qh_link = QH_LINK_TERMINATE;
+			qh->qh_link = cpu_to_hc32(QH_LINK_TERMINATE);
 
-		qh->qh_overlay.qt_next = (uint32_t)td;
-		qh->qh_overlay.qt_altnext = QT_NEXT_TERMINATE;
-		qh->qh_endpt1 = (0 << 28) | /* No NAK reload (ehci 4.9) */
+		qh->qh_overlay.qt_next = cpu_to_hc32((uint32_t)td);
+		qh->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
+		qh->qh_endpt1 =
+			cpu_to_hc32((0 << 28) | /* No NAK reload (ehci 4.9) */
 			(usb_maxpacket(dev, pipe) << 16) | /* MPS */
 			(1 << 14) |
 			QH_ENDPT1_EPS(ehci_encode_speed(dev->speed)) |
 			(usb_pipeendpoint(pipe) << 8) | /* Endpoint Number */
-			(usb_pipedevice(pipe) << 0);
-		qh->qh_endpt2 = (1 << 30) | /* 1 Tx per mframe */
-			(1 << 0); /* S-mask: microframe 0 */
+			(usb_pipedevice(pipe) << 0));
+		qh->qh_endpt2 = cpu_to_hc32((1 << 30) | /* 1 Tx per mframe */
+			(1 << 0)); /* S-mask: microframe 0 */
 		if (dev->speed == USB_SPEED_LOW ||
 				dev->speed == USB_SPEED_FULL) {
 			debug("TT: port: %d, hub address: %d\n",
 				dev->portnr, dev->parent->devnum);
-			qh->qh_endpt2 |= (dev->portnr << 23) |
+			qh->qh_endpt2 |= cpu_to_hc32((dev->portnr << 23) |
 				(dev->parent->devnum << 16) |
-				(0x1c << 8); /* C-mask: microframes 2-4 */
+				(0x1c << 8)); /* C-mask: microframes 2-4 */
 		}
 
-		td->qt_next = QT_NEXT_TERMINATE;
-		td->qt_altnext = QT_NEXT_TERMINATE;
+		td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
+		td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
 		debug("communication direction is '%s'\n",
 		      usb_pipein(pipe) ? "in" : "out");
-		td->qt_token = (elementsize << 16) |
+		td->qt_token = cpu_to_hc32((elementsize << 16) |
 			((usb_pipein(pipe) ? 1 : 0) << 8) | /* IN/OUT token */
-			0x80; /* active */
-		td->qt_buffer[0] = (uint32_t)buffer + i * elementsize;
-		td->qt_buffer[1] = (td->qt_buffer[0] + 0x1000) & ~0xfff;
-		td->qt_buffer[2] = (td->qt_buffer[0] + 0x2000) & ~0xfff;
-		td->qt_buffer[3] = (td->qt_buffer[0] + 0x3000) & ~0xfff;
-		td->qt_buffer[4] = (td->qt_buffer[0] + 0x4000) & ~0xfff;
+			0x80); /* active */
+		td->qt_buffer[0] =
+		    cpu_to_hc32((uint32_t)buffer + i * elementsize);
+		td->qt_buffer[1] =
+		    cpu_to_hc32((td->qt_buffer[0] + 0x1000) & ~0xfff);
+		td->qt_buffer[2] =
+		    cpu_to_hc32((td->qt_buffer[0] + 0x2000) & ~0xfff);
+		td->qt_buffer[3] =
+		    cpu_to_hc32((td->qt_buffer[0] + 0x3000) & ~0xfff);
+		td->qt_buffer[4] =
+		    cpu_to_hc32((td->qt_buffer[0] + 0x4000) & ~0xfff);
 
 		*buf = buffer + i * elementsize;
 	}
@@ -1241,7 +1247,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
 	/* hook up to periodic list */
 	struct QH *list = &ctrl->periodic_queue;
 	result->last->qh_link = list->qh_link;
-	list->qh_link = (uint32_t)result->first | QH_LINK_TYPE_QH;
+	list->qh_link = cpu_to_hc32((uint32_t)result->first | QH_LINK_TYPE_QH);
 
 	flush_dcache_range((uint32_t)result->last,
 			   ALIGN_END_ADDR(struct QH, result->last, 1));
@@ -1280,7 +1286,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
 	/* still active */
 	invalidate_dcache_range((uint32_t)cur,
 				ALIGN_END_ADDR(struct QH, cur, 1));
-	if (cur->qh_overlay.qt_token & 0x80) {
+	if (cur->qh_overlay.qt_token & cpu_to_hc32(0x80)) {
 		debug("Exit poll_int_queue with no completed intr transfer. "
 		      "token is %x\n", cur->qh_overlay.qt_token);
 		return NULL;
@@ -1311,7 +1317,7 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
 
 	struct QH *cur = &ctrl->periodic_queue;
 	timeout = get_timer(0) + 500; /* abort after 500ms */
-	while (!(cur->qh_link & QH_LINK_TERMINATE)) {
+	while (!(cur->qh_link & cpu_to_hc32(QH_LINK_TERMINATE))) {
 		debug("considering %p, with qh_link %x\n", cur, cur->qh_link);
 		if (NEXT_QH(cur) == queue->first) {
 			debug("found candidate. removing from chain\n");
diff --git a/drivers/usb/host/ehci-rmobile.c b/drivers/usb/host/ehci-rmobile.c
new file mode 100644
index 0000000..049e4c4
--- /dev/null
+++ b/drivers/usb/host/ehci-rmobile.c
@@ -0,0 +1,130 @@
+/*
+ *  EHCI HCD (Host Controller Driver) for USB.
+ *
+ *  Copyright (C) 2013,2014 Renesas Electronics Corporation
+ *  Copyright (C) 2014 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ *  SPDX-License-Identifier:     GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/ehci-rmobile.h>
+#include "ehci.h"
+
+#if defined(CONFIG_R8A7740)
+static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = {
+	0xC6700000
+};
+#elif defined(CONFIG_R8A7790)
+static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = {
+	0xEE080000,	/* USB0 (EHCI) */
+	0xEE0A0000,	/* USB1 */
+	0xEE0C0000,	/* USB2 */
+	0xEE000000	/* USB3 (USB3.0 Host)*/
+};
+#elif defined(CONFIG_R8A7791)
+static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = {
+	0xEE080000,	/* USB0 (EHCI) */
+	0xEE0C0000,	/* USB1 */
+	0xEE000000	/* USB3 (USB3.0 Host)*/
+};
+#else
+#error rmobile EHCI USB driver not supported on this platform
+#endif
+
+int ehci_hcd_stop(int index)
+{
+	int i;
+	u32 base;
+	struct ahbcom_pci_bridge *ahbcom_pci;
+
+	base = usb_base_address[index];
+	ahbcom_pci = (struct ahbcom_pci_bridge *)(base + AHBPCI_OFFSET);
+	writel(0, &ahbcom_pci->ahb_bus_ctr);
+
+	/* reset ehci */
+	setbits_le32(base + EHCI_USBCMD, CMD_RESET);
+	for (i = 100; i > 0; i--) {
+		if (!(readl(base + EHCI_USBCMD) & CMD_RESET))
+			break;
+		udelay(100);
+	}
+
+	if (!i)
+		printf("error : ehci(%d) reset failed.\n", index);
+
+	if (index == (CONFIG_USB_MAX_CONTROLLER_COUNT - 1))
+		setbits_le32(SMSTPCR7, SMSTPCR703);
+
+	return 0;
+}
+
+int ehci_hcd_init(int index, enum usb_init_type init,
+	struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+	u32 base;
+	u32 phys_base;
+	struct rmobile_ehci_reg *rehci;
+	struct ahbcom_pci_bridge *ahbcom_pci;
+	struct ahbconf_pci_bridge *ahbconf_pci;
+	struct ahb_pciconf *ahb_pciconf_ohci;
+	struct ahb_pciconf *ahb_pciconf_ehci;
+	uint32_t cap_base;
+
+	base = usb_base_address[index];
+	phys_base = base;
+	if (index == 0)
+		clrbits_le32(SMSTPCR7, SMSTPCR703);
+
+	rehci = (struct rmobile_ehci_reg *)(base + EHCI_OFFSET);
+	ahbcom_pci = (struct ahbcom_pci_bridge *)(base + AHBPCI_OFFSET);
+	ahbconf_pci =
+		(struct ahbconf_pci_bridge *)(base + PCI_CONF_AHBPCI_OFFSET);
+	ahb_pciconf_ohci = (struct ahb_pciconf *)(base + PCI_CONF_OHCI_OFFSET);
+	ahb_pciconf_ehci = (struct ahb_pciconf *)(base + PCI_CONF_EHCI_OFFSET);
+
+	/* Clock & Reset & Direct Power Down */
+	clrsetbits_le32(&ahbcom_pci->usbctr,
+			(DIRPD | PCICLK_MASK | USBH_RST), USBCTR_WIN_SIZE_1GB);
+	clrbits_le32(&ahbcom_pci->usbctr, PLL_RST);
+
+	/* AHB-PCI Bridge Communication Registers */
+	writel(AHB_BUS_CTR_INIT, &ahbcom_pci->ahb_bus_ctr);
+	writel((CONFIG_SYS_SDRAM_BASE & 0xf0000000) | PCIAHB_WIN_PREFETCH,
+	       &ahbcom_pci->pciahb_win1_ctr);
+	writel(0xf0000000 | PCIAHB_WIN_PREFETCH,
+	       &ahbcom_pci->pciahb_win2_ctr);
+	writel(phys_base | PCIWIN2_PCICMD, &ahbcom_pci->ahbpci_win2_ctr);
+
+	setbits_le32(&ahbcom_pci->pci_arbiter_ctr,
+		     PCIBP_MODE | PCIREQ1 | PCIREQ0);
+
+	/* PCI Configuration Registers for AHBPCI */
+	writel(PCIWIN1_PCICMD | AHB_CFG_AHBPCI,
+	       &ahbcom_pci->ahbpci_win1_ctr);
+	writel(phys_base + AHBPCI_OFFSET, &ahbconf_pci->basead);
+	writel(CONFIG_SYS_SDRAM_BASE & 0xf0000000, &ahbconf_pci->win1_basead);
+	writel(0xf0000000, &ahbconf_pci->win2_basead);
+	writel(SERREN | PERREN | MASTEREN | MEMEN,
+	       &ahbconf_pci->cmnd_sts);
+
+	/* PCI Configuration Registers for EHCI */
+	writel(PCIWIN1_PCICMD | AHB_CFG_HOST, &ahbcom_pci->ahbpci_win1_ctr);
+	writel(phys_base + OHCI_OFFSET, &ahb_pciconf_ohci->basead);
+	writel(phys_base + EHCI_OFFSET, &ahb_pciconf_ehci->basead);
+	writel(SERREN | PERREN | MASTEREN | MEMEN,
+	       &ahb_pciconf_ohci->cmnd_sts);
+	writel(SERREN | PERREN | MASTEREN | MEMEN,
+	       &ahb_pciconf_ehci->cmnd_sts);
+
+	/* Enable PCI interrupt */
+	setbits_le32(&ahbcom_pci->pci_int_enable,
+		     USBH_PMEEN | USBH_INTBEN | USBH_INTAEN);
+
+	*hccr = (struct ehci_hccr *)((uint32_t)&rehci->hciversion);
+	cap_base = ehci_readl(&(*hccr)->cr_capbase);
+	*hcor = (struct ehci_hcor *)((uint32_t)*hccr + HC_LENGTH(cap_base));
+
+	return 0;
+}
diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c
index 1146d10..b4946a3 100644
--- a/drivers/usb/host/xhci-exynos5.c
+++ b/drivers/usb/host/xhci-exynos5.c
@@ -298,7 +298,8 @@ int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor **hcor)
 
 #ifdef CONFIG_OF_CONTROL
 	/* setup the Vbus gpio here */
-	if (!fdtdec_setup_gpio(&ctx->vbus_gpio))
+	if (fdt_gpio_isvalid(&ctx->vbus_gpio) &&
+	    !fdtdec_setup_gpio(&ctx->vbus_gpio))
 		gpio_direction_output(ctx->vbus_gpio.gpio, 1);
 #endif
 
diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c
index 0512680..0d7b89f 100644
--- a/drivers/usb/musb-new/musb_uboot.c
+++ b/drivers/usb/musb-new/musb_uboot.c
@@ -204,7 +204,10 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 {
-	/* TODO: implement me */
+	if (driver->disconnect)
+		driver->disconnect(&gadget->g);
+	if (driver->unbind)
+		driver->unbind(&gadget->g);
 	return 0;
 }
 #endif /* CONFIG_MUSB_GADGET */