Merge branch 'u-boot/master' into 'u-boot-arm/master'

Conflicts:
	arch/arm/cpu/arm926ejs/mxs/Makefile
	include/configs/trats.h
	include/configs/trats2.h
	include/mmc.h

26 files changed, 787 insertions, 938 deletions

diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index a409f637704..c8f65739e97 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -623,6 +623,7 @@ static int ata_scsiop_inquiry(ccb *pccb)
 		95 - 4,
 	};
 	u8 fis[20];
+	u16 *idbuf;
 	ALLOC_CACHE_ALIGN_BUFFER(u16, tmpid, ATA_ID_WORDS);
 	u8 port;
 
@@ -649,17 +650,25 @@ static int ata_scsiop_inquiry(ccb *pccb)
 		return -EIO;
 	}
 
-	if (ataid[port])
-		free(ataid[port]);
-	ataid[port] = tmpid;
-	ata_swap_buf_le16(tmpid, ATA_ID_WORDS);
+	if (!ataid[port]) {
+		ataid[port] = malloc(ATA_ID_WORDS * 2);
+		if (!ataid[port]) {
+			printf("%s: No memory for ataid[port]\n", __func__);
+			return -ENOMEM;
+		}
+	}
+
+	idbuf = ataid[port];
+
+	memcpy(idbuf, tmpid, ATA_ID_WORDS * 2);
+	ata_swap_buf_le16(idbuf, ATA_ID_WORDS);
 
 	memcpy(&pccb->pdata[8], "ATA     ", 8);
-	ata_id_strcpy((u16 *) &pccb->pdata[16], &tmpid[ATA_ID_PROD], 16);
-	ata_id_strcpy((u16 *) &pccb->pdata[32], &tmpid[ATA_ID_FW_REV], 4);
+	ata_id_strcpy((u16 *)&pccb->pdata[16], &idbuf[ATA_ID_PROD], 16);
+	ata_id_strcpy((u16 *)&pccb->pdata[32], &idbuf[ATA_ID_FW_REV], 4);
 
 #ifdef DEBUG
-	ata_dump_id(tmpid);
+	ata_dump_id(idbuf);
 #endif
 	return 0;
 }
diff --git a/drivers/crypto/ace_sha.c b/drivers/crypto/ace_sha.c
index acbafde97cd..ed4f5418238 100644
--- a/drivers/crypto/ace_sha.c
+++ b/drivers/crypto/ace_sha.c
@@ -5,10 +5,12 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include "ace_sha.h"
+
+#ifdef CONFIG_SHA_HW_ACCEL
 #include <sha256.h>
 #include <sha1.h>
 #include <asm/errno.h>
-#include "ace_sha.h"
 
 /* SHA1 value for the message of zero length */
 static const unsigned char sha1_digest_emptymsg[SHA1_SUM_LEN] = {
@@ -111,3 +113,72 @@ void hw_sha1(const unsigned char *pbuf, unsigned int buf_len,
 	if (ace_sha_hash_digest(pbuf, buf_len, pout, ACE_SHA_TYPE_SHA1))
 		debug("ACE was not setup properly or it is faulty\n");
 }
+#endif /* CONFIG_SHA_HW_ACCEL */
+
+#ifdef CONFIG_LIB_HW_RAND
+static unsigned int seed_done;
+
+void srand(unsigned int seed)
+{
+	struct exynos_ace_sfr *reg =
+		(struct exynos_ace_sfr *)samsung_get_base_ace_sfr();
+	int i, status;
+
+	/* Seed data */
+	for (i = 0; i < ACE_HASH_PRNG_REG_NUM; i++)
+		writel(seed << i, &reg->hash_seed[i]);
+
+	/* Wait for seed setup done */
+	while (1) {
+		status = readl(&reg->hash_status);
+		if ((status & ACE_HASH_SEEDSETTING_MASK) ||
+		    (status & ACE_HASH_PRNGERROR_MASK))
+			break;
+	}
+
+	seed_done = 1;
+}
+
+unsigned int rand(void)
+{
+	struct exynos_ace_sfr *reg =
+		(struct exynos_ace_sfr *)samsung_get_base_ace_sfr();
+	int i, status;
+	unsigned int seed = (unsigned int)&status;
+	unsigned int ret = 0;
+
+	if (!seed_done)
+		srand(seed);
+
+	/* Start PRNG */
+	writel(ACE_HASH_ENGSEL_PRNG | ACE_HASH_STARTBIT_ON, &reg->hash_control);
+
+	/* Wait for PRNG done */
+	while (1) {
+		status = readl(&reg->hash_status);
+		if (status & ACE_HASH_PRNGDONE_MASK)
+			break;
+		if (status & ACE_HASH_PRNGERROR_MASK) {
+			seed_done = 0;
+			return 0;
+		}
+	}
+
+	/* Clear Done IRQ */
+	writel(ACE_HASH_PRNGDONE_MASK, &reg->hash_status);
+
+	/* Read a PRNG result */
+	for (i = 0; i < ACE_HASH_PRNG_REG_NUM; i++)
+		ret += readl(&reg->hash_prng[i]);
+
+	seed_done = 0;
+	return ret;
+}
+
+unsigned int rand_r(unsigned int *seedp)
+{
+	srand(*seedp);
+
+	return rand();
+}
+#endif /* CONFIG_LIB_HW_RAND */
diff --git a/drivers/crypto/ace_sha.h b/drivers/crypto/ace_sha.h
index a426d523724..f1097f72dc2 100644
--- a/drivers/crypto/ace_sha.h
+++ b/drivers/crypto/ace_sha.h
@@ -72,9 +72,10 @@ struct exynos_ace_sfr {
 	unsigned char   res12[0x30];
 	unsigned int	hash_result[8];
 	unsigned char   res13[0x20];
-	unsigned int	hash_seed[8];
-	unsigned int	hash_prng[8];
-	unsigned char   res14[0x180];
+	unsigned int	hash_seed[5];
+	unsigned char	res14[12];
+	unsigned int	hash_prng[5];
+	unsigned char	res15[0x18c];
 
 	unsigned int	pka_sfr[5];		/* base + 0x700 */
 };
@@ -291,6 +292,7 @@ struct exynos_ace_sfr {
 #define ACE_HASH_PRNGERROR_MASK	(1 << 7)
 #define ACE_HASH_PRNGERROR_OFF		(0 << 7)
 #define ACE_HASH_PRNGERROR_ON		(1 << 7)
+#define ACE_HASH_PRNG_REG_NUM		5
 
 #define ACE_SHA_TYPE_SHA1		1
 #define ACE_SHA_TYPE_SHA256		2
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 56e69fd2315..8a09aafbf24 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -127,6 +127,28 @@ static int dfu_write_buffer_drain(struct dfu_entity *dfu)
 	return ret;
 }
 
+int dfu_flush(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
+{
+	int ret = 0;
+
+	if (dfu->flush_medium)
+		ret = dfu->flush_medium(dfu);
+
+	printf("\nDFU complete CRC32: 0x%08x\n", dfu->crc);
+
+	/* clear everything */
+	dfu_free_buf();
+	dfu->crc = 0;
+	dfu->offset = 0;
+	dfu->i_blk_seq_num = 0;
+	dfu->i_buf_start = dfu_buf;
+	dfu->i_buf_end = dfu_buf;
+	dfu->i_buf = dfu->i_buf_start;
+	dfu->inited = 0;
+
+	return ret;
+}
+
 int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
 {
 	int ret = 0;
@@ -197,26 +219,6 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
 			ret = tret;
 	}
 
-	/* end? */
-	if (size == 0) {
-		/* Now try and flush to the medium if needed. */
-		if (dfu->flush_medium)
-			ret = dfu->flush_medium(dfu);
-		printf("\nDFU complete CRC32: 0x%08x\n", dfu->crc);
-
-		/* clear everything */
-		dfu_free_buf();
-		dfu->crc = 0;
-		dfu->offset = 0;
-		dfu->i_blk_seq_num = 0;
-		dfu->i_buf_start = dfu_buf;
-		dfu->i_buf_end = dfu_buf;
-		dfu->i_buf = dfu->i_buf_start;
-
-		dfu->inited = 0;
-
-	}
-
 	return ret = 0 ? size : ret;
 }
 
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 0816f46bad8..651cfff5b3b 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -12,6 +12,7 @@
 #include <errno.h>
 #include <div64.h>
 #include <dfu.h>
+#include <mmc.h>
 
 static unsigned char __aligned(CONFIG_SYS_CACHELINE_SIZE)
 				dfu_file_buf[CONFIG_SYS_DFU_MAX_FILE_SIZE];
@@ -20,8 +21,8 @@ static long dfu_file_buf_len;
 static int mmc_block_op(enum dfu_op op, struct dfu_entity *dfu,
 			u64 offset, void *buf, long *len)
 {
-	char cmd_buf[DFU_CMD_BUF_SIZE];
-	u32 blk_start, blk_count;
+	struct mmc *mmc = find_mmc_device(dfu->dev_num);
+	u32 blk_start, blk_count, n = 0;
 
 	/*
 	 * We must ensure that we work in lba_blk_size chunks, so ALIGN
@@ -38,12 +39,28 @@ static int mmc_block_op(enum dfu_op op, struct dfu_entity *dfu,
 		return -EINVAL;
 	}
 
-	sprintf(cmd_buf, "mmc %s %p %x %x",
-		op == DFU_OP_READ ? "read" : "write",
-		 buf, blk_start, blk_count);
+	debug("%s: %s dev: %d start: %d cnt: %d buf: 0x%p\n", __func__,
+	      op == DFU_OP_READ ? "MMC READ" : "MMC WRITE", dfu->dev_num,
+	      blk_start, blk_count, buf);
+	switch (op) {
+	case DFU_OP_READ:
+		n = mmc->block_dev.block_read(dfu->dev_num, blk_start,
+					      blk_count, buf);
+		break;
+	case DFU_OP_WRITE:
+		n = mmc->block_dev.block_write(dfu->dev_num, blk_start,
+					       blk_count, buf);
+		break;
+	default:
+		error("Operation not supported\n");
+	}
 
-	debug("%s: %s 0x%p\n", __func__, cmd_buf, cmd_buf);
-	return run_command(cmd_buf, 0);
+	if (n != blk_count) {
+		error("MMC operation failed");
+		return -EIO;
+	}
+
+	return 0;
 }
 
 static int mmc_file_buffer(struct dfu_entity *dfu, void *buf, long *len)
diff --git a/drivers/i2c/adi_i2c.c b/drivers/i2c/adi_i2c.c
deleted file mode 100644
index 675f4171ced..00000000000
--- a/drivers/i2c/adi_i2c.c
+++ /dev/null
@@ -1,387 +0,0 @@
-/*
- * i2c.c - driver for ADI TWI/I2C
- *
- * Copyright (c) 2006-2013 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <i2c.h>
-
-#include <asm/clock.h>
-#include <asm/twi.h>
-#include <asm/io.h>
-
-/* Every register is 32bit aligned, but only 16bits in size */
-#define ureg(name) u16 name; u16 __pad_##name;
-struct twi_regs {
-	ureg(clkdiv);
-	ureg(control);
-	ureg(slave_ctl);
-	ureg(slave_stat);
-	ureg(slave_addr);
-	ureg(master_ctl);
-	ureg(master_stat);
-	ureg(master_addr);
-	ureg(int_stat);
-	ureg(int_mask);
-	ureg(fifo_ctl);
-	ureg(fifo_stat);
-	char __pad[0x50];
-	ureg(xmt_data8);
-	ureg(xmt_data16);
-	ureg(rcv_data8);
-	ureg(rcv_data16);
-};
-#undef ureg
-
-/* U-Boot I2C framework allows only one active device at a time.  */
-#ifdef TWI_CLKDIV
-#define TWI0_CLKDIV TWI_CLKDIV
-#endif
-static struct twi_regs *twi = (void *)TWI0_CLKDIV;
-
-#ifdef DEBUG
-# define dmemset(s, c, n) memset(s, c, n)
-#else
-# define dmemset(s, c, n)
-#endif
-#define debugi(fmt, args...) \
-	debug( \
-		"MSTAT:0x%03x FSTAT:0x%x ISTAT:0x%02x\t%-20s:%-3i: " fmt "\n", \
-		twi->master_stat, twi->fifo_stat, twi->int_stat, \
-		__func__, __LINE__, ## args)
-
-#ifdef CONFIG_TWICLK_KHZ
-# error do not define CONFIG_TWICLK_KHZ ... use CONFIG_SYS_I2C_SPEED
-#endif
-
-/*
- * The way speed is changed into duty often results in integer truncation
- * with 50% duty, so we'll force rounding up to the next duty by adding 1
- * to the max.  In practice this will get us a speed of something like
- * 385 KHz.  The other limit is easy to handle as it is only 8 bits.
- */
-#define I2C_SPEED_MAX             400000
-#define I2C_SPEED_TO_DUTY(speed)  (5000000 / (speed))
-#define I2C_DUTY_MAX              (I2C_SPEED_TO_DUTY(I2C_SPEED_MAX) + 1)
-#define I2C_DUTY_MIN              0xff	/* 8 bit limited */
-#define SYS_I2C_DUTY              I2C_SPEED_TO_DUTY(CONFIG_SYS_I2C_SPEED)
-/* Note: duty is inverse of speed, so the comparisons below are correct */
-#if SYS_I2C_DUTY < I2C_DUTY_MAX || SYS_I2C_DUTY > I2C_DUTY_MIN
-# error "The Blackfin I2C hardware can only operate 20KHz - 400KHz"
-#endif
-
-/* All transfers are described by this data structure */
-struct i2c_msg {
-	u8 flags;
-#define I2C_M_COMBO		0x4
-#define I2C_M_STOP		0x2
-#define I2C_M_READ		0x1
-	int len;		/* msg length */
-	u8 *buf;		/* pointer to msg data */
-	int alen;		/* addr length */
-	u8 *abuf;		/* addr buffer */
-};
-
-/* Allow msec timeout per ~byte transfer */
-#define I2C_TIMEOUT 10
-
-/**
- * wait_for_completion - manage the actual i2c transfer
- *	@msg: the i2c msg
- */
-static int wait_for_completion(struct i2c_msg *msg)
-{
-	u16 int_stat, ctl;
-	ulong timebase = get_timer(0);
-
-	do {
-		int_stat = readw(&twi->int_stat);
-
-		if (int_stat & XMTSERV) {
-			debugi("processing XMTSERV");
-			writew(XMTSERV, &twi->int_stat);
-			if (msg->alen) {
-				writew(*(msg->abuf++), &twi->xmt_data8);
-				--msg->alen;
-			} else if (!(msg->flags & I2C_M_COMBO) && msg->len) {
-				writew(*(msg->buf++), &twi->xmt_data8);
-				--msg->len;
-			} else {
-				ctl = readw(&twi->master_ctl);
-				if (msg->flags & I2C_M_COMBO)
-					writew(ctl | RSTART | MDIR,
-							&twi->master_ctl);
-				else
-					writew(ctl | STOP, &twi->master_ctl);
-			}
-		}
-		if (int_stat & RCVSERV) {
-			debugi("processing RCVSERV");
-			writew(RCVSERV, &twi->int_stat);
-			if (msg->len) {
-				*(msg->buf++) = readw(&twi->rcv_data8);
-				--msg->len;
-			} else if (msg->flags & I2C_M_STOP) {
-				ctl = readw(&twi->master_ctl);
-				writew(ctl | STOP, &twi->master_ctl);
-			}
-		}
-		if (int_stat & MERR) {
-			debugi("processing MERR");
-			writew(MERR, &twi->int_stat);
-			return msg->len;
-		}
-		if (int_stat & MCOMP) {
-			debugi("processing MCOMP");
-			writew(MCOMP, &twi->int_stat);
-			if (msg->flags & I2C_M_COMBO && msg->len) {
-				ctl = readw(&twi->master_ctl);
-				ctl = (ctl & ~RSTART) |
-					(min(msg->len, 0xff) << 6) | MEN | MDIR;
-				writew(ctl, &twi->master_ctl);
-			} else
-				break;
-		}
-
-		/* If we were able to do something, reset timeout */
-		if (int_stat)
-			timebase = get_timer(0);
-
-	} while (get_timer(timebase) < I2C_TIMEOUT);
-
-	return msg->len;
-}
-
-/**
- * i2c_transfer - setup an i2c transfer
- *	@return: 0 if things worked, non-0 if things failed
- *
- *	Here we just get the i2c stuff all prepped and ready, and then tail off
- *	into wait_for_completion() for all the bits to go.
- */
-static int i2c_transfer(uchar chip, uint addr, int alen, uchar *buffer,
-			int len, u8 flags)
-{
-	int ret;
-	u16 ctl;
-	uchar addr_buffer[] = {
-		(addr >>  0),
-		(addr >>  8),
-		(addr >> 16),
-	};
-	struct i2c_msg msg = {
-		.flags = flags | (len >= 0xff ? I2C_M_STOP : 0),
-		.buf   = buffer,
-		.len   = len,
-		.abuf  = addr_buffer,
-		.alen  = alen,
-	};
-
-	dmemset(buffer, 0xff, len);
-	debugi("chip=0x%x addr=0x%02x alen=%i buf[0]=0x%02x len=%i ",
-		chip, addr, alen, buffer[0], len);
-	debugi("flags=0x%02x[%s] ", flags,
-		(flags & I2C_M_READ ? "rd" : "wr"));
-
-	/* wait for things to settle */
-	while (readw(&twi->master_stat) & BUSBUSY)
-		if (ctrlc())
-			return 1;
-
-	/* Set Transmit device address */
-	writew(chip, &twi->master_addr);
-
-	/* Clear the FIFO before starting things */
-	writew(XMTFLUSH | RCVFLUSH, &twi->fifo_ctl);
-	writew(0, &twi->fifo_ctl);
-
-	/* prime the pump */
-	if (msg.alen) {
-		len = (msg.flags & I2C_M_COMBO) ? msg.alen : msg.alen + len;
-		debugi("first byte=0x%02x", *msg.abuf);
-		writew(*(msg.abuf++), &twi->xmt_data8);
-		--msg.alen;
-	} else if (!(msg.flags & I2C_M_READ) && msg.len) {
-		debugi("first byte=0x%02x", *msg.buf);
-		writew(*(msg.buf++), &twi->xmt_data8);
-		--msg.len;
-	}
-
-	/* clear int stat */
-	writew(-1, &twi->master_stat);
-	writew(-1, &twi->int_stat);
-	writew(0, &twi->int_mask);
-
-	/* Master enable */
-	ctl = readw(&twi->master_ctl);
-	ctl = (ctl & FAST) | (min(len, 0xff) << 6) | MEN |
-		((msg.flags & I2C_M_READ) ? MDIR : 0);
-	writew(ctl, &twi->master_ctl);
-
-	/* process the rest */
-	ret = wait_for_completion(&msg);
-	debugi("ret=%d", ret);
-
-	if (ret) {
-		ctl = readw(&twi->master_ctl) & ~MEN;
-		writew(ctl, &twi->master_ctl);
-		ctl = readw(&twi->control) & ~TWI_ENA;
-		writew(ctl, &twi->control);
-		ctl = readw(&twi->control) | TWI_ENA;
-		writew(ctl, &twi->control);
-	}
-
-	return ret;
-}
-
-/**
- * i2c_set_bus_speed - set i2c bus speed
- *	@speed: bus speed (in HZ)
- */
-int i2c_set_bus_speed(unsigned int speed)
-{
-	u16 clkdiv = I2C_SPEED_TO_DUTY(speed);
-
-	/* Set TWI interface clock */
-	if (clkdiv < I2C_DUTY_MAX || clkdiv > I2C_DUTY_MIN)
-		return -1;
-	clkdiv = (clkdiv << 8) | (clkdiv & 0xff);
-	writew(clkdiv, &twi->clkdiv);
-
-	/* Don't turn it on */
-	writew(speed > 100000 ? FAST : 0, &twi->master_ctl);
-
-	return 0;
-}
-
-/**
- * i2c_get_bus_speed - get i2c bus speed
- *	@speed: bus speed (in HZ)
- */
-unsigned int i2c_get_bus_speed(void)
-{
-	u16 clkdiv = readw(&twi->clkdiv) & 0xff;
-	/* 10 MHz / (2 * CLKDIV) -> 5 MHz / CLKDIV */
-	return 5000000 / clkdiv;
-}
-
-/**
- * i2c_init - initialize the i2c bus
- *	@speed: bus speed (in HZ)
- *	@slaveaddr: address of device in slave mode (0 - not slave)
- *
- *	Slave mode isn't actually implemented.  It'll stay that way until
- *	we get a real request for it.
- */
-void i2c_init(int speed, int slaveaddr)
-{
-	u16 prescale = ((get_i2c_clk() / 1000 / 1000 + 5) / 10) & 0x7F;
-
-	/* Set TWI internal clock as 10MHz */
-	writew(prescale, &twi->control);
-
-	/* Set TWI interface clock as specified */
-	i2c_set_bus_speed(speed);
-
-	/* Enable it */
-	writew(TWI_ENA | prescale, &twi->control);
-
-	debugi("CONTROL:0x%04x CLKDIV:0x%04x", readw(&twi->control),
-		readw(&twi->clkdiv));
-
-#if CONFIG_SYS_I2C_SLAVE
-# error I2C slave support not tested/supported
-#endif
-}
-
-/**
- * i2c_probe - test if a chip exists at a given i2c address
- *	@chip: i2c chip addr to search for
- *	@return: 0 if found, non-0 if not found
- */
-int i2c_probe(uchar chip)
-{
-	u8 byte;
-	return i2c_read(chip, 0, 0, &byte, 1);
-}
-
-/**
- * i2c_read - read data from an i2c device
- *	@chip: i2c chip addr
- *	@addr: memory (register) address in the chip
- *	@alen: byte size of address
- *	@buffer: buffer to store data read from chip
- *	@len: how many bytes to read
- *	@return: 0 on success, non-0 on failure
- */
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-	return i2c_transfer(chip, addr, alen, buffer,
-			len, (alen ? I2C_M_COMBO : I2C_M_READ));
-}
-
-/**
- * i2c_write - write data to an i2c device
- *	@chip: i2c chip addr
- *	@addr: memory (register) address in the chip
- *	@alen: byte size of address
- *	@buffer: buffer holding data to write to chip
- *	@len: how many bytes to write
- *	@return: 0 on success, non-0 on failure
- */
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-	return i2c_transfer(chip, addr, alen, buffer, len, 0);
-}
-
-/**
- * i2c_set_bus_num - change active I2C bus
- *	@bus: bus index, zero based
- *	@returns: 0 on success, non-0 on failure
- */
-int i2c_set_bus_num(unsigned int bus)
-{
-	switch (bus) {
-#if CONFIG_SYS_MAX_I2C_BUS > 0
-	case 0:
-		twi = (void *)TWI0_CLKDIV;
-		return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 1
-	case 1:
-		twi = (void *)TWI1_CLKDIV;
-		return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 2
-	case 2:
-		twi = (void *)TWI2_CLKDIV;
-		return 0;
-#endif
-	default: return -1;
-	}
-}
-
-/**
- * i2c_get_bus_num - returns index of active I2C bus
- */
-unsigned int i2c_get_bus_num(void)
-{
-	switch ((unsigned long)twi) {
-#if CONFIG_SYS_MAX_I2C_BUS > 0
-	case TWI0_CLKDIV:
-		return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 1
-	case TWI1_CLKDIV:
-		return 1;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 2
-	case TWI2_CLKDIV:
-		return 2;
-#endif
-	default: return -1;
-	}
-}
diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c
index 5a55fe73b7f..5ef7ff7ff2b 100644
--- a/drivers/mmc/arm_pl180_mmci.c
+++ b/drivers/mmc/arm_pl180_mmci.c
@@ -287,9 +287,9 @@ static void host_set_ios(struct mmc *dev)
 		u32 clkdiv = 0;
 		u32 tmp_clock;
 
-		if (dev->clock >= dev->f_max) {
+		if (dev->clock >= dev->cfg->f_max) {
 			clkdiv = 0;
-			dev->clock = dev->f_max;
+			dev->clock = dev->cfg->f_max;
 		} else {
 			clkdiv = (host->clock_in / dev->clock) - 2;
 		}
@@ -335,6 +335,12 @@ static void host_set_ios(struct mmc *dev)
 	udelay(CLK_CHANGE_DELAY);
 }
 
+static const struct mmc_ops arm_pl180_mmci_ops = {
+	.send_cmd = host_request,
+	.set_ios = host_set_ios,
+	.init = mmc_host_reset,
+};
+
 /*
  * mmc_host_init - initialize the mmc controller.
  * Set initial clock and power for mmc slot.
@@ -342,16 +348,9 @@ static void host_set_ios(struct mmc *dev)
  */
 int arm_pl180_mmci_init(struct pl180_mmc_host *host)
 {
-	struct mmc *dev;
+	struct mmc *mmc;
 	u32 sdi_u32;
 
-	dev = malloc(sizeof(struct mmc));
-	if (!dev)
-		return -ENOMEM;
-
-	memset(dev, 0, sizeof(struct mmc));
-	dev->priv = host;
-
 	writel(host->pwr_init, &host->base->power);
 	writel(host->clkdiv_init, &host->base->clock);
 	udelay(CLK_CHANGE_DELAY);
@@ -359,19 +358,24 @@ int arm_pl180_mmci_init(struct pl180_mmc_host *host)
 	/* Disable mmc interrupts */
 	sdi_u32 = readl(&host->base->mask0) & ~SDI_MASK0_MASK;
 	writel(sdi_u32, &host->base->mask0);
-	strncpy(dev->name, host->name, sizeof(dev->name));
-	dev->send_cmd = host_request;
-	dev->set_ios = host_set_ios;
-	dev->init = mmc_host_reset;
-	dev->getcd = NULL;
-	dev->getwp = NULL;
-	dev->host_caps = host->caps;
-	dev->voltages = host->voltages;
-	dev->f_min = host->clock_min;
-	dev->f_max = host->clock_max;
-	dev->b_max = host->b_max;
-	mmc_register(dev);
-	debug("registered mmc interface number is:%d\n", dev->block_dev.dev);
+
+	host->cfg.name = host->name;
+	host->cfg.ops = &arm_pl180_mmci_ops;
+	/* TODO remove the duplicates */
+	host->cfg.host_caps = host->caps;
+	host->cfg.voltages = host->voltages;
+	host->cfg.f_min = host->clock_min;
+	host->cfg.f_max = host->clock_max;
+	if (host->b_max != 0)
+		host->cfg.b_max = host->b_max;
+	else
+		host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+	mmc = mmc_create(&host->cfg, host);
+	if (mmc == NULL)
+		return -1;
+
+	debug("registered mmc interface number is:%d\n", mmc->block_dev.dev);
 
 	return 0;
 }
diff --git a/drivers/mmc/arm_pl180_mmci.h b/drivers/mmc/arm_pl180_mmci.h
index 72344498d65..f23bd391eed 100644
--- a/drivers/mmc/arm_pl180_mmci.h
+++ b/drivers/mmc/arm_pl180_mmci.h
@@ -13,6 +13,9 @@
 #ifndef __ARM_PL180_MMCI_H__
 #define __ARM_PL180_MMCI_H__
 
+/* need definition of struct mmc_config */
+#include <mmc.h>
+
 #define COMMAND_REG_DELAY	300
 #define DATA_REG_DELAY		1000
 #define CLK_CHANGE_DELAY	2000
@@ -184,6 +187,7 @@ struct pl180_mmc_host {
 	unsigned int clkdiv_init;
 	unsigned int pwr_init;
 	int version2;
+	struct mmc_config cfg;
 };
 
 int arm_pl180_mmci_init(struct pl180_mmc_host *);
diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c
index bd9b641135a..bcd6a3e52fd 100644
--- a/drivers/mmc/bfin_sdh.c
+++ b/drivers/mmc/bfin_sdh.c
@@ -274,30 +274,30 @@ static int bfin_sdh_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops bfin_mmc_ops = {
+	.send_cmd	= bfin_sdh_request,
+	.set_ios	= bfin_sdh_set_ios,
+	.init		= bfin_sdh_init,
+};
+
+static struct mmc_config bfin_mmc_cfg = {
+	.name		= "Blackfin SDH",
+	.ops		= &bfin_mmc_ops,
+	.host_caps	= MMC_MODE_4BIT,
+	.voltages	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.b_max		= CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
 
 int bfin_mmc_init(bd_t *bis)
 {
-	struct mmc *mmc = NULL;
+	struct mmc *mmc;
 
-	mmc = malloc(sizeof(struct mmc));
+	bfin_mmc_cfg.f_max = get_sclk();
+	bfin_mmc_cfg.f_min = bfin_mmc_cfg.f_max >> 9;
 
-	if (!mmc)
-		return -ENOMEM;
-	sprintf(mmc->name, "Blackfin SDH");
-	mmc->send_cmd = bfin_sdh_request;
-	mmc->set_ios = bfin_sdh_set_ios;
-	mmc->init = bfin_sdh_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
-	mmc->host_caps = MMC_MODE_4BIT;
-
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
-	mmc->f_max = get_sclk();
-	mmc->f_min = mmc->f_max >> 9;
-
-	mmc->b_max = 0;
-
-	mmc_register(mmc);
+	mmc = mmc_create(&bfin_mmc_cfg, NULL);
+	if (mmc == NULL)
+		return -1;
 
 	return 0;
 }
diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c
index b3809611888..aae00e9dab3 100644
--- a/drivers/mmc/davinci_mmc.c
+++ b/drivers/mmc/davinci_mmc.c
@@ -30,10 +30,10 @@ static void dmmc_set_clock(struct mmc *mmc, uint clock)
 	struct davinci_mmc_regs *regs = host->reg_base;
 	uint clkrt, sysclk2, act_clock;
 
-	if (clock < mmc->f_min)
-		clock = mmc->f_min;
-	if (clock > mmc->f_max)
-		clock = mmc->f_max;
+	if (clock < mmc->cfg->f_min)
+		clock = mmc->cfg->f_min;
+	if (clock > mmc->cfg->f_max)
+		clock = mmc->cfg->f_max;
 
 	set_val(&regs->mmcclk, 0);
 	sysclk2 = host->input_clk;
@@ -363,32 +363,27 @@ static void dmmc_set_ios(struct mmc *mmc)
 		dmmc_set_clock(mmc, mmc->clock);
 }
 
+static const struct mmc_ops dmmc_ops = {
+	.send_cmd	= dmmc_send_cmd,
+	.set_ios	= dmmc_set_ios,
+	.init		= dmmc_init,
+};
+
 /* Called from board_mmc_init during startup. Can be called multiple times
  * depending on the number of slots available on board and controller
  */
 int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host)
 {
-	struct mmc *mmc;
-
-	mmc = malloc(sizeof(struct mmc));
-	memset(mmc, 0, sizeof(struct mmc));
-
-	sprintf(mmc->name, "davinci");
-	mmc->priv = host;
-	mmc->send_cmd = dmmc_send_cmd;
-	mmc->set_ios = dmmc_set_ios;
-	mmc->init = dmmc_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
-
-	mmc->f_min = 200000;
-	mmc->f_max = 25000000;
-	mmc->voltages = host->voltages;
-	mmc->host_caps = host->host_caps;
+	host->cfg.name = "davinci";
+	host->cfg.ops = &dmmc_ops;
+	host->cfg.f_min = 200000;
+	host->cfg.f_max = 25000000;
+	host->cfg.voltages = host->voltages;
+	host->cfg.host_caps = host->host_caps;
 
-	mmc->b_max = DAVINCI_MAX_BLOCKS;
+	host->cfg.b_max = DAVINCI_MAX_BLOCKS;
 
-	mmc_register(mmc);
+	mmc_create(&host->cfg, host);
 
 	return 0;
 }
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index d45c15cfa4e..eb4e2be5143 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -107,7 +107,7 @@ static int dwmci_set_transfer_mode(struct dwmci_host *host,
 static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		struct mmc_data *data)
 {
-	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
+	struct dwmci_host *host = mmc->priv;
 	ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac,
 				 data ? DIV_ROUND_UP(data->blocks, 8) : 0);
 	int flags = 0, i;
@@ -284,7 +284,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 
 static void dwmci_set_ios(struct mmc *mmc)
 {
-	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
+	struct dwmci_host *host = mmc->priv;
 	u32 ctype;
 
 	debug("Buswidth = %d, clock: %d\n",mmc->bus_width, mmc->clock);
@@ -310,7 +310,7 @@ static void dwmci_set_ios(struct mmc *mmc)
 
 static int dwmci_init(struct mmc *mmc)
 {
-	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
+	struct dwmci_host *host = mmc->priv;
 
 	if (host->board_init)
 		host->board_init(host);
@@ -323,7 +323,7 @@ static int dwmci_init(struct mmc *mmc)
 	}
 
 	/* Enumerate at 400KHz */
-	dwmci_setup_bus(host, mmc->f_min);
+	dwmci_setup_bus(host, mmc->cfg->f_min);
 
 	dwmci_writel(host, DWMCI_RINTSTS, 0xFFFFFFFF);
 	dwmci_writel(host, DWMCI_INTMASK, 0);
@@ -343,41 +343,37 @@ static int dwmci_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops dwmci_ops = {
+	.send_cmd	= dwmci_send_cmd,
+	.set_ios	= dwmci_set_ios,
+	.init		= dwmci_init,
+};
+
 int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk)
 {
-	struct mmc *mmc;
-	int err = 0;
-
-	mmc = calloc(sizeof(struct mmc), 1);
-	if (!mmc) {
-		printf("mmc calloc fail!\n");
-		return -1;
-	}
-
-	mmc->priv = host;
-	host->mmc = mmc;
+	host->cfg.name = host->name;
+	host->cfg.ops = &dwmci_ops;
+	host->cfg.f_min = min_clk;
+	host->cfg.f_max = max_clk;
 
-	sprintf(mmc->name, "%s", host->name);
-	mmc->send_cmd = dwmci_send_cmd;
-	mmc->set_ios = dwmci_set_ios;
-	mmc->init = dwmci_init;
-	mmc->f_min = min_clk;
-	mmc->f_max = max_clk;
+	host->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
 
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-
-	mmc->host_caps = host->caps;
+	host->cfg.host_caps = host->caps;
 
 	if (host->buswidth == 8) {
-		mmc->host_caps |= MMC_MODE_8BIT;
-		mmc->host_caps &= ~MMC_MODE_4BIT;
+		host->cfg.host_caps |= MMC_MODE_8BIT;
+		host->cfg.host_caps &= ~MMC_MODE_4BIT;
 	} else {
-		mmc->host_caps |= MMC_MODE_4BIT;
-		mmc->host_caps &= ~MMC_MODE_8BIT;
+		host->cfg.host_caps |= MMC_MODE_4BIT;
+		host->cfg.host_caps &= ~MMC_MODE_8BIT;
 	}
-	mmc->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_HC;
+	host->cfg.host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_HC;
+
+	host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	err = mmc_register(mmc);
+	host->mmc = mmc_create(&host->cfg, host);
+	if (host->mmc == NULL)
+		return -1;
 
-	return err;
+	return 0;
 }
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 7b146a36044..4c3b93d413d 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -172,7 +172,7 @@ esdhc_pio_read_write(struct mmc *mmc, struct mmc_data *data)
 static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 {
 	int timeout;
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
 	uint wml_value;
@@ -221,16 +221,16 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 	 * 2)Timeout period should be minimum 0.250sec as per SD Card spec
 	 *  So, Number of SD Clock cycles for 0.25sec should be minimum
 	 *		(SD Clock/sec * 0.25 sec) SD Clock cycles
-	 *		= (mmc->tran_speed * 1/4) SD Clock cycles
+	 *		= (mmc->clock * 1/4) SD Clock cycles
 	 * As 1) >=  2)
-	 * => (2^(timeout+13)) >= mmc->tran_speed * 1/4
+	 * => (2^(timeout+13)) >= mmc->clock * 1/4
 	 * Taking log2 both the sides
-	 * => timeout + 13 >= log2(mmc->tran_speed/4)
+	 * => timeout + 13 >= log2(mmc->clock/4)
 	 * Rounding up to next power of 2
-	 * => timeout + 13 = log2(mmc->tran_speed/4) + 1
-	 * => timeout + 13 = fls(mmc->tran_speed/4)
+	 * => timeout + 13 = log2(mmc->clock/4) + 1
+	 * => timeout + 13 = fls(mmc->clock/4)
 	 */
-	timeout = fls(mmc->tran_speed/4);
+	timeout = fls(mmc->clock/4);
 	timeout -= 13;
 
 	if (timeout > 14)
@@ -244,6 +244,9 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 		timeout++;
 #endif
 
+#ifdef ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE
+	timeout = 0xE;
+#endif
 	esdhc_clrsetbits32(&regs->sysctl, SYSCTL_TIMEOUT_MASK, timeout << 16);
 
 	return 0;
@@ -265,9 +268,10 @@ static void check_and_invalidate_dcache_range
 static int
 esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 {
+	int	err = 0;
 	uint	xfertyp;
 	uint	irqstat;
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	volatile struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 
 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
@@ -296,8 +300,6 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	/* Set up for a data transfer if we have one */
 	if (data) {
-		int err;
-
 		err = esdhc_setup_data(mmc, data);
 		if(err)
 			return err;
@@ -325,27 +327,15 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	irqstat = esdhc_read32(&regs->irqstat);
 
-	/* Reset CMD and DATA portions on error */
-	if (irqstat & (CMD_ERR | IRQSTAT_CTOE)) {
-		esdhc_write32(&regs->sysctl, esdhc_read32(&regs->sysctl) |
-			      SYSCTL_RSTC);
-		while (esdhc_read32(&regs->sysctl) & SYSCTL_RSTC)
-			;
-
-		if (data) {
-			esdhc_write32(&regs->sysctl,
-				      esdhc_read32(&regs->sysctl) |
-				      SYSCTL_RSTD);
-			while ((esdhc_read32(&regs->sysctl) & SYSCTL_RSTD))
-				;
-		}
+	if (irqstat & CMD_ERR) {
+		err = COMM_ERR;
+		goto out;
 	}
 
-	if (irqstat & CMD_ERR)
-		return COMM_ERR;
-
-	if (irqstat & IRQSTAT_CTOE)
-		return TIMEOUT;
+	if (irqstat & IRQSTAT_CTOE) {
+		err = TIMEOUT;
+		goto out;
+	}
 
 	/* Workaround for ESDHC errata ENGcm03648 */
 	if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
@@ -360,7 +350,8 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 		if (timeout <= 0) {
 			printf("Timeout waiting for DAT0 to go high!\n");
-			return TIMEOUT;
+			err = TIMEOUT;
+			goto out;
 		}
 	}
 
@@ -387,32 +378,53 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 		do {
 			irqstat = esdhc_read32(&regs->irqstat);
 
-			if (irqstat & IRQSTAT_DTOE)
-				return TIMEOUT;
+			if (irqstat & IRQSTAT_DTOE) {
+				err = TIMEOUT;
+				goto out;
+			}
 
-			if (irqstat & DATA_ERR)
-				return COMM_ERR;
+			if (irqstat & DATA_ERR) {
+				err = COMM_ERR;
+				goto out;
+			}
 		} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
 #endif
 		if (data->flags & MMC_DATA_READ)
 			check_and_invalidate_dcache_range(cmd, data);
 	}
 
+out:
+	/* Reset CMD and DATA portions on error */
+	if (err) {
+		esdhc_write32(&regs->sysctl, esdhc_read32(&regs->sysctl) |
+			      SYSCTL_RSTC);
+		while (esdhc_read32(&regs->sysctl) & SYSCTL_RSTC)
+			;
+
+		if (data) {
+			esdhc_write32(&regs->sysctl,
+				      esdhc_read32(&regs->sysctl) |
+				      SYSCTL_RSTD);
+			while ((esdhc_read32(&regs->sysctl) & SYSCTL_RSTD))
+				;
+		}
+	}
+
 	esdhc_write32(&regs->irqstat, -1);
 
-	return 0;
+	return err;
 }
 
 static void set_sysctl(struct mmc *mmc, uint clock)
 {
 	int div, pre_div;
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	volatile struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 	int sdhc_clk = cfg->sdhc_clk;
 	uint clk;
 
-	if (clock < mmc->f_min)
-		clock = mmc->f_min;
+	if (clock < mmc->cfg->f_min)
+		clock = mmc->cfg->f_min;
 
 	if (sdhc_clk / 16 > clock) {
 		for (pre_div = 2; pre_div < 256; pre_div *= 2)
@@ -443,7 +455,7 @@ static void set_sysctl(struct mmc *mmc, uint clock)
 
 static void esdhc_set_ios(struct mmc *mmc)
 {
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 
 	/* Set the clock speed */
@@ -461,7 +473,7 @@ static void esdhc_set_ios(struct mmc *mmc)
 
 static int esdhc_init(struct mmc *mmc)
 {
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 	int timeout = 1000;
 
@@ -496,7 +508,7 @@ static int esdhc_init(struct mmc *mmc)
 
 static int esdhc_getcd(struct mmc *mmc)
 {
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 	int timeout = 1000;
 
@@ -524,6 +536,13 @@ static void esdhc_reset(struct fsl_esdhc *regs)
 		printf("MMC/SD: Reset never completed.\n");
 }
 
+static const struct mmc_ops esdhc_ops = {
+	.send_cmd	= esdhc_send_cmd,
+	.set_ios	= esdhc_set_ios,
+	.init		= esdhc_init,
+	.getcd		= esdhc_getcd,
+};
+
 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 {
 	struct fsl_esdhc *regs;
@@ -533,12 +552,6 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 	if (!cfg)
 		return -1;
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc)
-		return -ENOMEM;
-
-	memset(mmc, 0, sizeof(struct mmc));
-	sprintf(mmc->name, "FSL_SDHC");
 	regs = (struct fsl_esdhc *)cfg->esdhc_base;
 
 	/* First reset the eSDHC controller */
@@ -547,12 +560,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 	esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
 				| SYSCTL_IPGEN | SYSCTL_CKEN);
 
-	mmc->priv = cfg;
-	mmc->send_cmd = esdhc_send_cmd;
-	mmc->set_ios = esdhc_set_ios;
-	mmc->init = esdhc_init;
-	mmc->getcd = esdhc_getcd;
-	mmc->getwp = NULL;
+	memset(&cfg->cfg, 0, sizeof(cfg->cfg));
 
 	voltage_caps = 0;
 	caps = regs->hostcapblt;
@@ -574,38 +582,43 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 	if (caps & ESDHC_HOSTCAPBLT_VS33)
 		voltage_caps |= MMC_VDD_32_33 | MMC_VDD_33_34;
 
+	cfg->cfg.name = "FSL_SDHC";
+	cfg->cfg.ops = &esdhc_ops;
 #ifdef CONFIG_SYS_SD_VOLTAGE
-	mmc->voltages = CONFIG_SYS_SD_VOLTAGE;
+	cfg->cfg.voltages = CONFIG_SYS_SD_VOLTAGE;
 #else
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+	cfg->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
 #endif
-	if ((mmc->voltages & voltage_caps) == 0) {
+	if ((cfg->cfg.voltages & voltage_caps) == 0) {
 		printf("voltage not supported by controller\n");
 		return -1;
 	}
 
-	mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HC;
+	cfg->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HC;
 
 	if (cfg->max_bus_width > 0) {
 		if (cfg->max_bus_width < 8)
-			mmc->host_caps &= ~MMC_MODE_8BIT;
+			cfg->cfg.host_caps &= ~MMC_MODE_8BIT;
 		if (cfg->max_bus_width < 4)
-			mmc->host_caps &= ~MMC_MODE_4BIT;
+			cfg->cfg.host_caps &= ~MMC_MODE_4BIT;
 	}
 
 	if (caps & ESDHC_HOSTCAPBLT_HSS)
-		mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
+		cfg->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
 
 #ifdef CONFIG_ESDHC_DETECT_8_BIT_QUIRK
 	if (CONFIG_ESDHC_DETECT_8_BIT_QUIRK)
-		mmc->host_caps &= ~MMC_MODE_8BIT;
+		cfg->cfg.host_caps &= ~MMC_MODE_8BIT;
 #endif
 
-	mmc->f_min = 400000;
-	mmc->f_max = MIN(gd->arch.sdhc_clk, 52000000);
+	cfg->cfg.f_min = 400000;
+	cfg->cfg.f_max = MIN(gd->arch.sdhc_clk, 52000000);
 
-	mmc->b_max = 0;
-	mmc_register(mmc);
+	cfg->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+	mmc = mmc_create(&cfg->cfg, cfg);
+	if (mmc == NULL)
+		return -1;
 
 	return 0;
 }
diff --git a/drivers/mmc/ftsdc010_mci.c b/drivers/mmc/ftsdc010_mci.c
index 7600d5ce555..a620678e5f9 100644
--- a/drivers/mmc/ftsdc010_mci.c
+++ b/drivers/mmc/ftsdc010_mci.c
@@ -27,6 +27,7 @@ struct ftsdc010_chip {
 	uint32_t sclk;    /* FTSDC010 source clock in Hz */
 	uint32_t fifo;    /* fifo depth in bytes */
 	uint32_t acmd;
+	struct mmc_config cfg;	/* mmc configuration */
 };
 
 static inline int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd)
@@ -123,14 +124,6 @@ static void ftsdc010_clkset(struct mmc *mmc, uint32_t rate)
 	}
 }
 
-static inline int ftsdc010_is_ro(struct mmc *mmc)
-{
-	struct ftsdc010_chip *chip = mmc->priv;
-	const uint8_t *csd = (const uint8_t *)mmc->csd;
-
-	return chip->wprot || (csd[1] & 0x30);
-}
-
 static int ftsdc010_wait(struct ftsdc010_mmc __iomem *regs, uint32_t mask)
 {
 	int ret = TIMEOUT;
@@ -316,6 +309,12 @@ static int ftsdc010_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops ftsdc010_ops = {
+	.send_cmd	= ftsdc010_request,
+	.set_ios	= ftsdc010_set_ios,
+	.init		= ftsdc010_init,
+};
+
 int ftsdc010_mmc_init(int devid)
 {
 	struct mmc *mmc;
@@ -331,50 +330,44 @@ int ftsdc010_mmc_init(int devid)
 	regs = (void __iomem *)(CONFIG_FTSDC010_BASE + (devid << 20));
 #endif
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc)
-		return -ENOMEM;
-	memset(mmc, 0, sizeof(struct mmc));
-
 	chip = malloc(sizeof(struct ftsdc010_chip));
-	if (!chip) {
-		free(mmc);
+	if (!chip)
 		return -ENOMEM;
-	}
 	memset(chip, 0, sizeof(struct ftsdc010_chip));
 
 	chip->regs = regs;
-	mmc->priv  = chip;
-
-	sprintf(mmc->name, "ftsdc010");
-	mmc->send_cmd  = ftsdc010_request;
-	mmc->set_ios   = ftsdc010_set_ios;
-	mmc->init      = ftsdc010_init;
+#ifdef CONFIG_SYS_CLK_FREQ
+	chip->sclk = CONFIG_SYS_CLK_FREQ;
+#else
+	chip->sclk = clk_get_rate("SDC");
+#endif
 
-	mmc->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz;
+	chip->cfg.name = "ftsdc010";
+	chip->cfg.ops = &ftsdc010_ops;
+	chip->cfg.host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz;
 	switch (readl(&regs->bwr) & FTSDC010_BWR_CAPS_MASK) {
 	case FTSDC010_BWR_CAPS_4BIT:
-		mmc->host_caps |= MMC_MODE_4BIT;
+		chip->cfg.host_caps |= MMC_MODE_4BIT;
 		break;
 	case FTSDC010_BWR_CAPS_8BIT:
-		mmc->host_caps |= MMC_MODE_4BIT | MMC_MODE_8BIT;
+		chip->cfg.host_caps |= MMC_MODE_4BIT | MMC_MODE_8BIT;
 		break;
 	default:
 		break;
 	}
 
-#ifdef CONFIG_SYS_CLK_FREQ
-	chip->sclk = CONFIG_SYS_CLK_FREQ;
-#else
-	chip->sclk = clk_get_rate("SDC");
-#endif
+	chip->cfg.voltages  = MMC_VDD_32_33 | MMC_VDD_33_34;
+	chip->cfg.f_max     = chip->sclk / 2;
+	chip->cfg.f_min     = chip->sclk / 0x100;
 
-	mmc->voltages  = MMC_VDD_32_33 | MMC_VDD_33_34;
-	mmc->f_max     = chip->sclk / 2;
-	mmc->f_min     = chip->sclk / 0x100;
-	mmc->block_dev.part_type = PART_TYPE_DOS;
+	chip->cfg.part_type = PART_TYPE_DOS;
+	chip->cfg.b_max	    = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	mmc_register(mmc);
+	mmc = mmc_create(&chip->cfg, chip);
+	if (mmc == NULL) {
+		free(chip);
+		return -ENOMEM;
+	}
 
 	return 0;
 }
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
index c11dcd0f97c..acca0269e58 100644
--- a/drivers/mmc/gen_atmel_mci.c
+++ b/drivers/mmc/gen_atmel_mci.c
@@ -55,7 +55,7 @@ static void dump_cmd(u32 cmdr, u32 arg, u32 status, const char* msg)
 /* Setup for MCI Clock and Block Size */
 static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
 {
-	atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+	atmel_mci_t *mci = mmc->priv;
 	u32 bus_hz = get_mci_clk_rate();
 	u32 clkdiv = 255;
 
@@ -165,7 +165,7 @@ io_fail:
 static int
 mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 {
-	atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+	atmel_mci_t *mci = mmc->priv;
 	u32 cmdr;
 	u32 error_flags = 0;
 	u32 status;
@@ -289,7 +289,7 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 /* Entered into mmc structure during driver init */
 static void mci_set_ios(struct mmc *mmc)
 {
-	atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+	atmel_mci_t *mci = mmc->priv;
 	int bus_width = mmc->bus_width;
 	unsigned int version = atmel_mci_get_version(mci);
 	int busw;
@@ -325,7 +325,7 @@ static void mci_set_ios(struct mmc *mmc)
 /* Entered into mmc structure during driver init */
 static int mci_init(struct mmc *mmc)
 {
-	atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+	atmel_mci_t *mci = mmc->priv;
 
 	/* Initialize controller */
 	writel(MMCI_BIT(SWRST), &mci->cr);	/* soft reset */
@@ -344,6 +344,12 @@ static int mci_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops atmel_mci_ops = {
+	.send_cmd	= mci_send_cmd,
+	.set_ios	= mci_set_ios,
+	.init		= mci_init,
+};
+
 /*
  * This is the only exported function
  *
@@ -351,40 +357,45 @@ static int mci_init(struct mmc *mmc)
  */
 int atmel_mci_init(void *regs)
 {
-	struct mmc *mmc = malloc(sizeof(struct mmc));
+	struct mmc *mmc;
+	struct mmc_config *cfg;
 	struct atmel_mci *mci;
 	unsigned int version;
 
-	if (!mmc)
+	cfg = malloc(sizeof(*cfg));
+	if (cfg == NULL)
 		return -1;
+	memset(cfg, 0, sizeof(*cfg));
+
+	mci = (struct atmel_mci *)regs;
 
-	strcpy(mmc->name, "mci");
-	mmc->priv = regs;
-	mmc->send_cmd = mci_send_cmd;
-	mmc->set_ios = mci_set_ios;
-	mmc->init = mci_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
+	cfg->name = "mci";
+	cfg->ops = &atmel_mci_ops;
 
 	/* need to be able to pass these in on a board by board basis */
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
-	mci = (struct atmel_mci *)mmc->priv;
+	cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
 	version = atmel_mci_get_version(mci);
 	if ((version & 0xf00) >= 0x300)
-		mmc->host_caps = MMC_MODE_8BIT;
+		cfg->host_caps = MMC_MODE_8BIT;
 
-	mmc->host_caps |= MMC_MODE_4BIT;
+	cfg->host_caps |= MMC_MODE_4BIT;
 
 	/*
 	 * min and max frequencies determined by
 	 * max and min of clock divider
 	 */
-	mmc->f_min = get_mci_clk_rate() / (2*256);
-	mmc->f_max = get_mci_clk_rate() / (2*1);
+	cfg->f_min = get_mci_clk_rate() / (2*256);
+	cfg->f_max = get_mci_clk_rate() / (2*1);
+
+	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	mmc->b_max = 0;
+	mmc = mmc_create(cfg, regs);
 
-	mmc_register(mmc);
+	if (mmc == NULL) {
+		free(cfg);
+		return -1;
+	}
+	/* NOTE: possibly leaking the cfg structure */
 
 	return 0;
 }
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8ab0bc948f5..16051e52ff1 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -17,11 +17,6 @@
 #include <div64.h>
 #include "mmc_private.h"
 
-/* Set block count limit because of 16 bit register limit on some hardware*/
-#ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT
-#define CONFIG_SYS_MMC_MAX_BLK_COUNT 65535
-#endif
-
 static struct list_head mmc_devices;
 static int cur_dev_num = -1;
 
@@ -37,8 +32,8 @@ int mmc_getwp(struct mmc *mmc)
 	wp = board_mmc_getwp(mmc);
 
 	if (wp < 0) {
-		if (mmc->getwp)
-			wp = mmc->getwp(mmc);
+		if (mmc->cfg->ops->getwp)
+			wp = mmc->cfg->ops->getwp(mmc);
 		else
 			wp = 0;
 	}
@@ -63,7 +58,7 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	printf("CMD_SEND:%d\n", cmd->cmdidx);
 	printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg);
-	ret = mmc->send_cmd(mmc, cmd, data);
+	ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);
 	switch (cmd->resp_type) {
 		case MMC_RSP_NONE:
 			printf("\t\tMMC_RSP_NONE\n");
@@ -106,7 +101,7 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 			break;
 	}
 #else
-	ret = mmc->send_cmd(mmc, cmd, data);
+	ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);
 #endif
 	return ret;
 }
@@ -253,7 +248,8 @@ static ulong mmc_bread(int dev_num, lbaint_t start, lbaint_t blkcnt, void *dst)
 		return 0;
 
 	do {
-		cur = (blocks_todo > mmc->b_max) ?  mmc->b_max : blocks_todo;
+		cur = (blocks_todo > mmc->cfg->b_max) ?
+			mmc->cfg->b_max : blocks_todo;
 		if(mmc_read_blocks(mmc, dst, start, cur) != cur)
 			return 0;
 		blocks_todo -= cur;
@@ -312,7 +308,7 @@ static int sd_send_op_cond(struct mmc *mmc)
 		 * specified.
 		 */
 		cmd.cmdarg = mmc_host_is_spi(mmc) ? 0 :
-			(mmc->voltages & 0xff8000);
+			(mmc->cfg->voltages & 0xff8000);
 
 		if (mmc->version == SD_VERSION_2)
 			cmd.cmdarg |= OCR_HCS;
@@ -361,11 +357,11 @@ static int mmc_send_op_cond_iter(struct mmc *mmc, struct mmc_cmd *cmd,
 	cmd->cmdarg = 0;
 	if (use_arg && !mmc_host_is_spi(mmc)) {
 		cmd->cmdarg =
-			(mmc->voltages &
+			(mmc->cfg->voltages &
 			(mmc->op_cond_response & OCR_VOLTAGE_MASK)) |
 			(mmc->op_cond_response & OCR_ACCESS_MODE);
 
-		if (mmc->host_caps & MMC_MODE_HC)
+		if (mmc->cfg->host_caps & MMC_MODE_HC)
 			cmd->cmdarg |= OCR_HCS;
 	}
 	err = mmc_send_cmd(mmc, cmd, NULL);
@@ -578,8 +574,8 @@ int mmc_getcd(struct mmc *mmc)
 	cd = board_mmc_getcd(mmc);
 
 	if (cd < 0) {
-		if (mmc->getcd)
-			cd = mmc->getcd(mmc);
+		if (mmc->cfg->ops->getcd)
+			cd = mmc->cfg->ops->getcd(mmc);
 		else
 			cd = 1;
 	}
@@ -703,8 +699,8 @@ retry_scr:
 	 * This can avoid furthur problem when the card runs in different
 	 * mode between the host.
 	 */
-	if (!((mmc->host_caps & MMC_MODE_HS_52MHz) &&
-		(mmc->host_caps & MMC_MODE_HS)))
+	if (!((mmc->cfg->host_caps & MMC_MODE_HS_52MHz) &&
+		(mmc->cfg->host_caps & MMC_MODE_HS)))
 		return 0;
 
 	err = sd_switch(mmc, SD_SWITCH_SWITCH, 0, 1, (u8 *)switch_status);
@@ -751,16 +747,17 @@ static const int multipliers[] = {
 
 static void mmc_set_ios(struct mmc *mmc)
 {
-	mmc->set_ios(mmc);
+	if (mmc->cfg->ops->set_ios)
+		mmc->cfg->ops->set_ios(mmc);
 }
 
 void mmc_set_clock(struct mmc *mmc, uint clock)
 {
-	if (clock > mmc->f_max)
-		clock = mmc->f_max;
+	if (clock > mmc->cfg->f_max)
+		clock = mmc->cfg->f_max;
 
-	if (clock < mmc->f_min)
-		clock = mmc->f_min;
+	if (clock < mmc->cfg->f_min)
+		clock = mmc->cfg->f_min;
 
 	mmc->clock = clock;
 
@@ -1026,7 +1023,7 @@ static int mmc_startup(struct mmc *mmc)
 		return err;
 
 	/* Restrict card's capabilities by what the host can do */
-	mmc->card_caps &= mmc->host_caps;
+	mmc->card_caps &= mmc->cfg->host_caps;
 
 	if (IS_SD(mmc)) {
 		if (mmc->card_caps & MMC_MODE_4BIT) {
@@ -1081,7 +1078,7 @@ static int mmc_startup(struct mmc *mmc)
 			 * this bus width, if it's more than 1
 			 */
 			if (extw != EXT_CSD_BUS_WIDTH_1 &&
-					!(mmc->host_caps & ext_to_hostcaps[extw]))
+					!(mmc->cfg->host_caps & ext_to_hostcaps[extw]))
 				continue;
 
 			err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,
@@ -1154,7 +1151,7 @@ static int mmc_send_if_cond(struct mmc *mmc)
 
 	cmd.cmdidx = SD_CMD_SEND_IF_COND;
 	/* We set the bit if the host supports voltages between 2.7 and 3.6 V */
-	cmd.cmdarg = ((mmc->voltages & 0xff8000) != 0) << 8 | 0xaa;
+	cmd.cmdarg = ((mmc->cfg->voltages & 0xff8000) != 0) << 8 | 0xaa;
 	cmd.resp_type = MMC_RSP_R7;
 
 	err = mmc_send_cmd(mmc, &cmd, NULL);
@@ -1170,8 +1167,33 @@ static int mmc_send_if_cond(struct mmc *mmc)
 	return 0;
 }
 
-int mmc_register(struct mmc *mmc)
+/* not used any more */
+int __deprecated mmc_register(struct mmc *mmc)
+{
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+	printf("%s is deprecated! use mmc_create() instead.\n", __func__);
+#endif
+	return -1;
+}
+
+struct mmc *mmc_create(const struct mmc_config *cfg, void *priv)
 {
+	struct mmc *mmc;
+
+	/* quick validation */
+	if (cfg == NULL || cfg->ops == NULL || cfg->ops->send_cmd == NULL ||
+			cfg->f_min == 0 || cfg->f_max == 0 || cfg->b_max == 0)
+		return NULL;
+
+	mmc = calloc(1, sizeof(*mmc));
+	if (mmc == NULL)
+		return NULL;
+
+	mmc->cfg = cfg;
+	mmc->priv = priv;
+
+	/* the following chunk was mmc_register() */
+
 	/* Setup dsr related values */
 	mmc->dsr_imp = 0;
 	mmc->dsr = 0xffffffff;
@@ -1182,14 +1204,21 @@ int mmc_register(struct mmc *mmc)
 	mmc->block_dev.block_read = mmc_bread;
 	mmc->block_dev.block_write = mmc_bwrite;
 	mmc->block_dev.block_erase = mmc_berase;
-	if (!mmc->b_max)
-		mmc->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	INIT_LIST_HEAD (&mmc->link);
+	/* setup initial part type */
+	mmc->block_dev.part_type = mmc->cfg->part_type;
 
-	list_add_tail (&mmc->link, &mmc_devices);
+	INIT_LIST_HEAD(&mmc->link);
 
-	return 0;
+	list_add_tail(&mmc->link, &mmc_devices);
+
+	return mmc;
+}
+
+void mmc_destroy(struct mmc *mmc)
+{
+	/* only freeing memory for now */
+	free(mmc);
 }
 
 #ifdef CONFIG_PARTITIONS
@@ -1207,7 +1236,8 @@ int mmc_start_init(struct mmc *mmc)
 {
 	int err;
 
-	if (mmc_getcd(mmc) == 0) {
+	/* we pretend there's no card when init is NULL */
+	if (mmc_getcd(mmc) == 0 || mmc->cfg->ops->init == NULL) {
 		mmc->has_init = 0;
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 		printf("MMC: no card present\n");
@@ -1218,7 +1248,8 @@ int mmc_start_init(struct mmc *mmc)
 	if (mmc->has_init)
 		return 0;
 
-	err = mmc->init(mmc);
+	/* made sure it's not NULL earlier */
+	err = mmc->cfg->ops->init(mmc);
 
 	if (err)
 		return err;
@@ -1320,7 +1351,7 @@ void print_mmc_devices(char separator)
 	list_for_each(entry, &mmc_devices) {
 		m = list_entry(entry, struct mmc, link);
 
-		printf("%s: %d", m->name, m->block_dev.dev);
+		printf("%s: %d", m->cfg->name, m->block_dev.dev);
 
 		if (entry->next != &mmc_devices)
 			printf("%c ", separator);
@@ -1482,4 +1513,16 @@ int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
 		return err;
 	return 0;
 }
+
+/*
+ * Modify EXT_CSD[162] which is RST_n_FUNCTION based on the given value
+ * for enable.  Note that this is a write-once field for non-zero values.
+ *
+ * Returns 0 on success.
+ */
+int mmc_set_rst_n_function(struct mmc *mmc, u8 enable)
+{
+	return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_RST_N_FUNCTION,
+			  enable);
+}
 #endif
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index fe6a5a166de..5b5b33a4b23 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -92,7 +92,7 @@ static uint mmc_spi_readdata(struct mmc *mmc, void *xbuf,
 			spi_xfer(spi, 2 * 8, NULL, &crc, 0);
 #ifdef CONFIG_MMC_SPI_CRC_ON
 			if (swab16(cyg_crc16(buf, bsize)) != crc) {
-				debug("%s: CRC error\n", mmc->name);
+				debug("%s: CRC error\n", mmc->cfg->name);
 				r1 = R1_SPI_COM_CRC;
 				break;
 			}
@@ -238,6 +238,7 @@ done:
 static void mmc_spi_set_ios(struct mmc *mmc)
 {
 	struct spi_slave *spi = mmc->priv;
+
 	debug("%s: clock %u\n", __func__, mmc->clock);
 	if (mmc->clock)
 		spi_set_speed(spi, mmc->clock);
@@ -246,7 +247,6 @@ static void mmc_spi_set_ios(struct mmc *mmc)
 static int mmc_spi_init_p(struct mmc *mmc)
 {
 	struct spi_slave *spi = mmc->priv;
-	mmc->clock = 0;
 	spi_set_speed(spi, MMC_SPI_MIN_CLOCK);
 	spi_claim_bus(spi);
 	/* cs deactivated for 100+ clock */
@@ -255,33 +255,37 @@ static int mmc_spi_init_p(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops mmc_spi_ops = {
+	.send_cmd	= mmc_spi_request,
+	.set_ios	= mmc_spi_set_ios,
+	.init		= mmc_spi_init_p,
+};
+
+static struct mmc_config mmc_spi_cfg = {
+	.name		= "MMC_SPI",
+	.ops		= &mmc_spi_ops,
+	.host_caps	= MMC_MODE_SPI,
+	.voltages	= MMC_SPI_VOLTAGE,
+	.f_min		= MMC_SPI_MIN_CLOCK,
+	.part_type	= PART_TYPE_DOS,
+	.b_max		= CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
+
 struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode)
 {
 	struct mmc *mmc;
+	struct spi_slave *spi;
 
-	mmc = malloc(sizeof(*mmc));
-	if (!mmc)
-		return NULL;
-	memset(mmc, 0, sizeof(*mmc));
-	mmc->priv = spi_setup_slave(bus, cs, speed, mode);
-	if (!mmc->priv) {
-		free(mmc);
+	spi = spi_setup_slave(bus, cs, speed, mode);
+	if (spi == NULL)
 		return NULL;
-	}
-	sprintf(mmc->name, "MMC_SPI");
-	mmc->send_cmd = mmc_spi_request;
-	mmc->set_ios = mmc_spi_set_ios;
-	mmc->init = mmc_spi_init_p;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
-	mmc->host_caps = MMC_MODE_SPI;
-
-	mmc->voltages = MMC_SPI_VOLTAGE;
-	mmc->f_max = speed;
-	mmc->f_min = MMC_SPI_MIN_CLOCK;
-	mmc->block_dev.part_type = PART_TYPE_DOS;
 
-	mmc_register(mmc);
+	mmc_spi_cfg.f_max = speed;
 
+	mmc = mmc_create(&mmc_spi_cfg, spi);
+	if (mmc == NULL) {
+		spi_free_slave(spi);
+		return NULL;
+	}
 	return mmc;
 }
diff --git a/drivers/mmc/mmc_write.c b/drivers/mmc/mmc_write.c
index aa2fdefa75e..3db9669c82e 100644
--- a/drivers/mmc/mmc_write.c
+++ b/drivers/mmc/mmc_write.c
@@ -167,7 +167,8 @@ ulong mmc_bwrite(int dev_num, lbaint_t start, lbaint_t blkcnt, const void *src)
 		return 0;
 
 	do {
-		cur = (blocks_todo > mmc->b_max) ?  mmc->b_max : blocks_todo;
+		cur = (blocks_todo > mmc->cfg->b_max) ?
+			mmc->cfg->b_max : blocks_todo;
 		if (mmc_write_blocks(mmc, start, cur, src) != cur)
 			return 0;
 		blocks_todo -= cur;
diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c
index 4f99617b9a9..561b2045986 100644
--- a/drivers/mmc/mxcmmc.c
+++ b/drivers/mmc/mxcmmc.c
@@ -122,6 +122,8 @@ struct mxcmci_host {
 };
 
 static struct mxcmci_host mxcmci_host;
+
+/* maintainer note: do we really want to have a global host pointer? */
 static struct mxcmci_host *host = &mxcmci_host;
 
 static inline int mxcmci_use_dma(struct mxcmci_host *host)
@@ -485,35 +487,30 @@ static int mxcmci_init(struct mmc *mmc)
 	return 0;
 }
 
-static int mxcmci_initialize(bd_t *bis)
-{
-	struct mmc *mmc = NULL;
-
-	mmc = malloc(sizeof(struct mmc));
-
-	if (!mmc)
-		return -ENOMEM;
+static const struct mmc_ops mxcmci_ops = {
+	.send_cmd	= mxcmci_request,
+	.set_ios	= mxcmci_set_ios,
+	.init		= mxcmci_init,
+};
 
-	sprintf(mmc->name, "MXC MCI");
-	mmc->send_cmd = mxcmci_request;
-	mmc->set_ios = mxcmci_set_ios;
-	mmc->init = mxcmci_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
-	mmc->host_caps = MMC_MODE_4BIT;
+static struct mmc_config mxcmci_cfg = {
+	.name		= "MXC MCI",
+	.ops		= &mxcmci_ops,
+	.host_caps	= MMC_MODE_4BIT,
+	.voltages	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.b_max		= CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
 
+static int mxcmci_initialize(bd_t *bis)
+{
 	host->base = (struct mxcmci_regs *)CONFIG_MXC_MCI_REGS_BASE;
-	mmc->priv = host;
-	host->mmc = mmc;
-
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
-
-	mmc->f_min = mxc_get_clock(MXC_ESDHC_CLK) >> 7;
-	mmc->f_max = mxc_get_clock(MXC_ESDHC_CLK) >> 1;
 
-	mmc->b_max = 0;
+	mxcmci_cfg.f_min = mxc_get_clock(MXC_ESDHC_CLK) >> 7;
+	mxcmci_cfg.f_max = mxc_get_clock(MXC_ESDHC_CLK) >> 1;
 
-	mmc_register(mmc);
+	host->mmc = mmc_create(&mxcmci_cfg, host);
+	if (host->mmc == NULL)
+		return -1;
 
 	return 0;
 }
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index 245f9d0c672..2fa4eeef441 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -35,6 +35,7 @@ struct mxsmmc_priv {
 	int			(*mmc_is_wp)(int);
 	int			(*mmc_cd)(int);
 	struct mxs_dma_desc	*desc;
+	struct mmc_config	cfg;	/* mmc configuration */
 };
 
 #define	MXSMMC_MAX_TIMEOUT	10000
@@ -134,7 +135,7 @@ static int mxsmmc_send_cmd_dma(struct mxsmmc_priv *priv, struct mmc_data *data)
 static int
 mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 {
-	struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+	struct mxsmmc_priv *priv = mmc->priv;
 	struct mxs_ssp_regs *ssp_regs = priv->regs;
 	uint32_t reg;
 	int timeout;
@@ -305,7 +306,7 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 static void mxsmmc_set_ios(struct mmc *mmc)
 {
-	struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+	struct mxsmmc_priv *priv = mmc->priv;
 	struct mxs_ssp_regs *ssp_regs = priv->regs;
 
 	/* Set the clock speed */
@@ -334,7 +335,7 @@ static void mxsmmc_set_ios(struct mmc *mmc)
 
 static int mxsmmc_init(struct mmc *mmc)
 {
-	struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+	struct mxsmmc_priv *priv = mmc->priv;
 	struct mxs_ssp_regs *ssp_regs = priv->regs;
 
 	/* Reset SSP */
@@ -363,6 +364,12 @@ static int mxsmmc_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops mxsmmc_ops = {
+	.send_cmd	= mxsmmc_send_cmd,
+	.set_ios	= mxsmmc_set_ios,
+	.init		= mxsmmc_init,
+};
+
 int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))
 {
 	struct mmc *mmc = NULL;
@@ -373,20 +380,13 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))
 	if (!mxs_ssp_bus_id_valid(id))
 		return -ENODEV;
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc)
-		return -ENOMEM;
-
 	priv = malloc(sizeof(struct mxsmmc_priv));
-	if (!priv) {
-		free(mmc);
+	if (!priv)
 		return -ENOMEM;
-	}
 
 	priv->desc = mxs_dma_desc_alloc();
 	if (!priv->desc) {
 		free(priv);
-		free(mmc);
 		return -ENOMEM;
 	}
 
@@ -399,17 +399,12 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))
 	priv->id = id;
 	priv->regs = mxs_ssp_regs_by_bus(id);
 
-	sprintf(mmc->name, "MXS MMC");
-	mmc->send_cmd = mxsmmc_send_cmd;
-	mmc->set_ios = mxsmmc_set_ios;
-	mmc->init = mxsmmc_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
-	mmc->priv = priv;
+	priv->cfg.name = "MXS MMC";
+	priv->cfg.ops = &mxsmmc_ops;
 
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+	priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
 
-	mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT |
+	priv->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT |
 			 MMC_MODE_HS_52MHz | MMC_MODE_HS |
 			 MMC_MODE_HC;
 
@@ -419,10 +414,15 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))
 	 * CLOCK_DIVIDE has to be an even value from 2 to 254, and
 	 * CLOCK_RATE could be any integer from 0 to 255.
 	 */
-	mmc->f_min = 400000;
-	mmc->f_max = mxc_get_clock(MXC_SSP0_CLK + mxsmmc_clk_id) * 1000 / 2;
-	mmc->b_max = 0x20;
+	priv->cfg.f_min = 400000;
+	priv->cfg.f_max = mxc_get_clock(MXC_SSP0_CLK + mxsmmc_clk_id) * 1000 / 2;
+	priv->cfg.b_max = 0x20;
 
-	mmc_register(mmc);
+	mmc = mmc_create(&priv->cfg, priv);
+	if (mmc == NULL) {
+		mxs_dma_desc_free(priv->desc);
+		free(priv);
+		return -ENOMEM;
+	}
 	return 0;
 }
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index d3a8b5303d5..17cbb0983db 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -24,6 +24,7 @@
 
 #include <config.h>
 #include <common.h>
+#include <malloc.h>
 #include <mmc.h>
 #include <part.h>
 #include <i2c.h>
@@ -35,14 +36,25 @@
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 
+/* simplify defines to OMAP_HSMMC_USE_GPIO */
+#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \
+	(defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_GPIO_SUPPORT))
+#define OMAP_HSMMC_USE_GPIO
+#else
+#undef OMAP_HSMMC_USE_GPIO
+#endif
+
 /* common definitions for all OMAPs */
 #define SYSCTL_SRC	(1 << 25)
 #define SYSCTL_SRD	(1 << 26)
 
 struct omap_hsmmc_data {
 	struct hsmmc *base_addr;
+	struct mmc_config cfg;
+#ifdef OMAP_HSMMC_USE_GPIO
 	int cd_gpio;
 	int wp_gpio;
+#endif
 };
 
 /* If we fail after 1 second wait, something is really bad */
@@ -51,11 +63,8 @@ struct omap_hsmmc_data {
 static int mmc_read_data(struct hsmmc *mmc_base, char *buf, unsigned int size);
 static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
 			unsigned int siz);
-static struct mmc hsmmc_dev[3];
-static struct omap_hsmmc_data hsmmc_dev_data[3];
 
-#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \
-	(defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_GPIO_SUPPORT))
+#ifdef OMAP_HSMMC_USE_GPIO
 static int omap_mmc_setup_gpio_in(int gpio, const char *label)
 {
 	if (!gpio_is_valid(gpio))
@@ -69,26 +78,6 @@ static int omap_mmc_setup_gpio_in(int gpio, const char *label)
 
 	return gpio;
 }
-
-static int omap_mmc_getcd(struct mmc *mmc)
-{
-	int cd_gpio = ((struct omap_hsmmc_data *)mmc->priv)->cd_gpio;
-	return gpio_get_value(cd_gpio);
-}
-
-static int omap_mmc_getwp(struct mmc *mmc)
-{
-	int wp_gpio = ((struct omap_hsmmc_data *)mmc->priv)->wp_gpio;
-	return gpio_get_value(wp_gpio);
-}
-#else
-static inline int omap_mmc_setup_gpio_in(int gpio, const char *label)
-{
-	return -1;
-}
-
-#define omap_mmc_getcd NULL
-#define omap_mmc_getwp NULL
 #endif
 
 #if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER)
@@ -158,7 +147,7 @@ unsigned char mmc_board_init(struct mmc *mmc)
 		&t2_base->devconf1);
 
 	/* Change from default of 52MHz to 26MHz if necessary */
-	if (!(mmc->host_caps & MMC_MODE_HS_52MHz))
+	if (!(mmc->cfg->host_caps & MMC_MODE_HS_52MHz))
 		writel(readl(&t2_base->ctl_prog_io1) & ~CTLPROGIO1SPEEDCTRL,
 			&t2_base->ctl_prog_io1);
 
@@ -213,7 +202,7 @@ void mmc_init_stream(struct hsmmc *mmc_base)
 }
 
 
-static int mmc_init_setup(struct mmc *mmc)
+static int omap_hsmmc_init_setup(struct mmc *mmc)
 {
 	struct hsmmc *mmc_base;
 	unsigned int reg_val;
@@ -322,7 +311,7 @@ static void mmc_reset_controller_fsm(struct hsmmc *mmc_base, u32 bit)
 	}
 }
 
-static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
+static int omap_hsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 			struct mmc_data *data)
 {
 	struct hsmmc *mmc_base;
@@ -552,7 +541,7 @@ static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
 	return 0;
 }
 
-static void mmc_set_ios(struct mmc *mmc)
+static void omap_hsmmc_set_ios(struct mmc *mmc)
 {
 	struct hsmmc *mmc_base;
 	unsigned int dsor = 0;
@@ -606,19 +595,58 @@ static void mmc_set_ios(struct mmc *mmc)
 	writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
 }
 
+#ifdef OMAP_HSMMC_USE_GPIO
+static int omap_hsmmc_getcd(struct mmc *mmc)
+{
+	struct omap_hsmmc_data *priv_data = mmc->priv;
+	int cd_gpio;
+
+	/* if no CD return as 1 */
+	cd_gpio = priv_data->cd_gpio;
+	if (cd_gpio < 0)
+		return 1;
+
+	return gpio_get_value(cd_gpio);
+}
+
+static int omap_hsmmc_getwp(struct mmc *mmc)
+{
+	struct omap_hsmmc_data *priv_data = mmc->priv;
+	int wp_gpio;
+
+	/* if no WP return as 0 */
+	wp_gpio = priv_data->wp_gpio;
+	if (wp_gpio < 0)
+		return 0;
+
+	return gpio_get_value(wp_gpio);
+}
+#endif
+
+static const struct mmc_ops omap_hsmmc_ops = {
+	.send_cmd	= omap_hsmmc_send_cmd,
+	.set_ios	= omap_hsmmc_set_ios,
+	.init		= omap_hsmmc_init_setup,
+#ifdef OMAP_HSMMC_USE_GPIO
+	.getcd		= omap_hsmmc_getcd,
+	.getwp		= omap_hsmmc_getwp,
+#endif
+};
+
 int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
 		int wp_gpio)
 {
-	struct mmc *mmc = &hsmmc_dev[dev_index];
-	struct omap_hsmmc_data *priv_data = &hsmmc_dev_data[dev_index];
-	uint host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS |
-			     MMC_MODE_HC;
+	struct mmc *mmc;
+	struct omap_hsmmc_data *priv_data;
+	struct mmc_config *cfg;
+	uint host_caps_val;
 
-	sprintf(mmc->name, "OMAP SD/MMC");
-	mmc->send_cmd = mmc_send_cmd;
-	mmc->set_ios = mmc_set_ios;
-	mmc->init = mmc_init_setup;
-	mmc->priv = priv_data;
+	priv_data = malloc(sizeof(*priv_data));
+	if (priv_data == NULL)
+		return -1;
+
+	host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS |
+			     MMC_MODE_HC;
 
 	switch (dev_index) {
 	case 0:
@@ -647,42 +675,46 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
 		priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
 		return 1;
 	}
+#ifdef OMAP_HSMMC_USE_GPIO
+	/* on error gpio values are set to -1, which is what we want */
 	priv_data->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd");
-	if (priv_data->cd_gpio != -1)
-		mmc->getcd = omap_mmc_getcd;
-
 	priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp");
-	if (priv_data->wp_gpio != -1)
-		mmc->getwp = omap_mmc_getwp;
+#endif
+
+	cfg = &priv_data->cfg;
 
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-	mmc->host_caps = host_caps_val & ~host_caps_mask;
+	cfg->name = "OMAP SD/MMC";
+	cfg->ops = &omap_hsmmc_ops;
 
-	mmc->f_min = 400000;
+	cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
+	cfg->host_caps = host_caps_val & ~host_caps_mask;
+
+	cfg->f_min = 400000;
 
 	if (f_max != 0)
-		mmc->f_max = f_max;
+		cfg->f_max = f_max;
 	else {
-		if (mmc->host_caps & MMC_MODE_HS) {
-			if (mmc->host_caps & MMC_MODE_HS_52MHz)
-				mmc->f_max = 52000000;
+		if (cfg->host_caps & MMC_MODE_HS) {
+			if (cfg->host_caps & MMC_MODE_HS_52MHz)
+				cfg->f_max = 52000000;
 			else
-				mmc->f_max = 26000000;
+				cfg->f_max = 26000000;
 		} else
-			mmc->f_max = 20000000;
+			cfg->f_max = 20000000;
 	}
 
-	mmc->b_max = 0;
+	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
 #if defined(CONFIG_OMAP34XX)
 	/*
 	 * Silicon revs 2.1 and older do not support multiblock transfers.
 	 */
 	if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
-		mmc->b_max = 1;
+		cfg->b_max = 1;
 #endif
-
-	mmc_register(mmc);
+	mmc = mmc_create(cfg, priv_data);
+	if (mmc == NULL)
+		return -1;
 
 	return 0;
 }
diff --git a/drivers/mmc/pxa_mmc_gen.c b/drivers/mmc/pxa_mmc_gen.c
index 29f3eaf30b1..1f297571e56 100644
--- a/drivers/mmc/pxa_mmc_gen.c
+++ b/drivers/mmc/pxa_mmc_gen.c
@@ -52,7 +52,7 @@ struct pxa_mmc_priv {
 /* Wait for bit to be set */
 static int pxa_mmc_wait(struct mmc *mmc, uint32_t mask)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	unsigned int timeout = PXA_MMC_TIMEOUT;
 
@@ -71,7 +71,7 @@ static int pxa_mmc_wait(struct mmc *mmc, uint32_t mask)
 
 static int pxa_mmc_stop_clock(struct mmc *mmc)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	unsigned int timeout = PXA_MMC_TIMEOUT;
 
@@ -100,7 +100,7 @@ static int pxa_mmc_stop_clock(struct mmc *mmc)
 static int pxa_mmc_start_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 				uint32_t cmdat)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	int ret;
 
@@ -143,7 +143,7 @@ static int pxa_mmc_start_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
 static int pxa_mmc_cmd_done(struct mmc *mmc, struct mmc_cmd *cmd)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	uint32_t a, b, c;
 	int i;
@@ -185,7 +185,7 @@ static int pxa_mmc_cmd_done(struct mmc *mmc, struct mmc_cmd *cmd)
 
 static int pxa_mmc_do_read_xfer(struct mmc *mmc, struct mmc_data *data)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	uint32_t len;
 	uint32_t *buf = (uint32_t *)data->dest;
@@ -221,7 +221,7 @@ static int pxa_mmc_do_read_xfer(struct mmc *mmc, struct mmc_data *data)
 
 static int pxa_mmc_do_write_xfer(struct mmc *mmc, struct mmc_data *data)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	uint32_t len;
 	uint32_t *buf = (uint32_t *)data->src;
@@ -264,7 +264,7 @@ static int pxa_mmc_do_write_xfer(struct mmc *mmc, struct mmc_data *data)
 static int pxa_mmc_request(struct mmc *mmc, struct mmc_cmd *cmd,
 				struct mmc_data *data)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	uint32_t cmdat = 0;
 	int ret;
@@ -317,7 +317,7 @@ static int pxa_mmc_request(struct mmc *mmc, struct mmc_cmd *cmd,
 
 static void pxa_mmc_set_ios(struct mmc *mmc)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 	uint32_t tmp;
 	uint32_t pxa_mmc_clock;
@@ -335,7 +335,7 @@ static void pxa_mmc_set_ios(struct mmc *mmc)
 
 	/* Set clock to the card the usual way. */
 	pxa_mmc_clock = 0;
-	tmp = mmc->f_max / mmc->clock;
+	tmp = mmc->cfg->f_max / mmc->clock;
 	tmp += tmp % 2;
 
 	while (tmp > 1) {
@@ -348,7 +348,7 @@ static void pxa_mmc_set_ios(struct mmc *mmc)
 
 static int pxa_mmc_init(struct mmc *mmc)
 {
-	struct pxa_mmc_priv *priv = (struct pxa_mmc_priv *)mmc->priv;
+	struct pxa_mmc_priv *priv = mmc->priv;
 	struct pxa_mmc_regs *regs = priv->regs;
 
 	/* Make sure the clock are stopped */
@@ -366,6 +366,22 @@ static int pxa_mmc_init(struct mmc *mmc)
 	return 0;
 }
 
+static const struct mmc_ops pxa_mmc_ops = {
+	.send_cmd	= pxa_mmc_request,
+	.set_ios	= pxa_mmc_set_ios,
+	.init		= pxa_mmc_init,
+};
+
+static struct mmc_config pxa_mmc_cfg = {
+	.name		= "PXA MMC",
+	.ops		= &pxa_mmc_ops,
+	.voltages	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.f_max		= PXAMMC_MAX_SPEED,
+	.f_min		= PXAMMC_MIN_SPEED,
+	.host_caps	= PXAMMC_HOST_CAPS,
+	.b_max		= CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
+
 int pxa_mmc_register(int card_index)
 {
 	struct mmc *mmc;
@@ -373,13 +389,11 @@ int pxa_mmc_register(int card_index)
 	uint32_t reg;
 	int ret = -ENOMEM;
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc)
-		goto err0;
-
 	priv = malloc(sizeof(struct pxa_mmc_priv));
 	if (!priv)
-		goto err1;
+		goto err0;
+
+	memset(priv, 0, sizeof(*priv));
 
 	switch (card_index) {
 	case 0:
@@ -389,26 +403,12 @@ int pxa_mmc_register(int card_index)
 		priv->regs = (struct pxa_mmc_regs *)MMC1_BASE;
 		break;
 	default:
+		ret = -EINVAL;
 		printf("PXA MMC: Invalid MMC controller ID (card_index = %d)\n",
 			card_index);
-		goto err2;
+		goto err1;
 	}
 
-	mmc->priv = priv;
-
-	sprintf(mmc->name, "PXA MMC");
-	mmc->send_cmd	= pxa_mmc_request;
-	mmc->set_ios	= pxa_mmc_set_ios;
-	mmc->init	= pxa_mmc_init;
-	mmc->getcd	= NULL;
-
-	mmc->voltages	= MMC_VDD_32_33 | MMC_VDD_33_34;
-	mmc->f_max	= PXAMMC_MAX_SPEED;
-	mmc->f_min	= PXAMMC_MIN_SPEED;
-	mmc->host_caps	= PXAMMC_HOST_CAPS;
-
-	mmc->b_max = 0;
-
 #ifndef	CONFIG_CPU_MONAHANS	/* PXA2xx */
 	reg = readl(CKEN);
 	reg |= CKEN12_MMC;
@@ -419,14 +419,14 @@ int pxa_mmc_register(int card_index)
 	writel(reg, CKENA);
 #endif
 
-	mmc_register(mmc);
+	mmc = mmc_create(&pxa_mmc_cfg, priv);
+	if (mmc == NULL)
+		goto err1;
 
 	return 0;
 
-err2:
-	free(priv);
 err1:
-	free(mmc);
+	free(priv);
 err0:
 	return ret;
 }
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 1e86b92beec..3125d13ba3c 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -127,7 +127,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 		       struct mmc_data *data)
 {
-	struct sdhci_host *host = (struct sdhci_host *)mmc->priv;
+	struct sdhci_host *host = mmc->priv;
 	unsigned int stat = 0;
 	int ret = 0;
 	int trans_bytes = 0, is_aligned = 1;
@@ -268,7 +268,7 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 
 static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 {
-	struct sdhci_host *host = (struct sdhci_host *)mmc->priv;
+	struct sdhci_host *host = mmc->priv;
 	unsigned int div, clk, timeout;
 
 	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
@@ -278,18 +278,18 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 
 	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
 		/* Version 3.00 divisors must be a multiple of 2. */
-		if (mmc->f_max <= clock)
+		if (mmc->cfg->f_max <= clock)
 			div = 1;
 		else {
 			for (div = 2; div < SDHCI_MAX_DIV_SPEC_300; div += 2) {
-				if ((mmc->f_max / div) <= clock)
+				if ((mmc->cfg->f_max / div) <= clock)
 					break;
 			}
 		}
 	} else {
 		/* Version 2.00 divisors must be a power of 2. */
 		for (div = 1; div < SDHCI_MAX_DIV_SPEC_200; div *= 2) {
-			if ((mmc->f_max / div) <= clock)
+			if ((mmc->cfg->f_max / div) <= clock)
 				break;
 		}
 	}
@@ -358,7 +358,7 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
 void sdhci_set_ios(struct mmc *mmc)
 {
 	u32 ctrl;
-	struct sdhci_host *host = (struct sdhci_host *)mmc->priv;
+	struct sdhci_host *host = mmc->priv;
 
 	if (host->set_control_reg)
 		host->set_control_reg(host);
@@ -395,7 +395,7 @@ void sdhci_set_ios(struct mmc *mmc)
 
 int sdhci_init(struct mmc *mmc)
 {
-	struct sdhci_host *host = (struct sdhci_host *)mmc->priv;
+	struct sdhci_host *host = mmc->priv;
 
 	if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && !aligned_buffer) {
 		aligned_buffer = memalign(8, 512*1024);
@@ -406,7 +406,7 @@ int sdhci_init(struct mmc *mmc)
 		}
 	}
 
-	sdhci_set_power(host, fls(mmc->voltages) - 1);
+	sdhci_set_power(host, fls(mmc->cfg->voltages) - 1);
 
 	if (host->quirks & SDHCI_QUIRK_NO_CD) {
 		unsigned int status;
@@ -430,26 +430,19 @@ int sdhci_init(struct mmc *mmc)
 	return 0;
 }
 
+
+static const struct mmc_ops sdhci_ops = {
+	.send_cmd	= sdhci_send_command,
+	.set_ios	= sdhci_set_ios,
+	.init		= sdhci_init,
+};
+
 int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
 {
-	struct mmc *mmc;
 	unsigned int caps;
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc) {
-		printf("%s: mmc malloc fail!\n", __func__);
-		return -1;
-	}
-
-	mmc->priv = host;
-	host->mmc = mmc;
-
-	sprintf(mmc->name, "%s", host->name);
-	mmc->send_cmd = sdhci_send_command;
-	mmc->set_ios = sdhci_set_ios;
-	mmc->init = sdhci_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
+	host->cfg.name = host->name;
+	host->cfg.ops = &sdhci_ops;
 
 	caps = sdhci_readl(host, SDHCI_CAPABILITIES);
 #ifdef CONFIG_MMC_SDMA
@@ -461,51 +454,60 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
 #endif
 
 	if (max_clk)
-		mmc->f_max = max_clk;
+		host->cfg.f_max = max_clk;
 	else {
 		if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-			mmc->f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK)
+			host->cfg.f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK)
 				>> SDHCI_CLOCK_BASE_SHIFT;
 		else
-			mmc->f_max = (caps & SDHCI_CLOCK_BASE_MASK)
+			host->cfg.f_max = (caps & SDHCI_CLOCK_BASE_MASK)
 				>> SDHCI_CLOCK_BASE_SHIFT;
-		mmc->f_max *= 1000000;
+		host->cfg.f_max *= 1000000;
 	}
-	if (mmc->f_max == 0) {
+	if (host->cfg.f_max == 0) {
 		printf("%s: Hardware doesn't specify base clock frequency\n",
 		       __func__);
 		return -1;
 	}
 	if (min_clk)
-		mmc->f_min = min_clk;
+		host->cfg.f_min = min_clk;
 	else {
 		if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-			mmc->f_min = mmc->f_max / SDHCI_MAX_DIV_SPEC_300;
+			host->cfg.f_min = host->cfg.f_max /
+				SDHCI_MAX_DIV_SPEC_300;
 		else
-			mmc->f_min = mmc->f_max / SDHCI_MAX_DIV_SPEC_200;
+			host->cfg.f_min = host->cfg.f_max /
+				SDHCI_MAX_DIV_SPEC_200;
 	}
 
-	mmc->voltages = 0;
+	host->cfg.voltages = 0;
 	if (caps & SDHCI_CAN_VDD_330)
-		mmc->voltages |= MMC_VDD_32_33 | MMC_VDD_33_34;
+		host->cfg.voltages |= MMC_VDD_32_33 | MMC_VDD_33_34;
 	if (caps & SDHCI_CAN_VDD_300)
-		mmc->voltages |= MMC_VDD_29_30 | MMC_VDD_30_31;
+		host->cfg.voltages |= MMC_VDD_29_30 | MMC_VDD_30_31;
 	if (caps & SDHCI_CAN_VDD_180)
-		mmc->voltages |= MMC_VDD_165_195;
+		host->cfg.voltages |= MMC_VDD_165_195;
 
 	if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE)
-		mmc->voltages |= host->voltages;
+		host->cfg.voltages |= host->voltages;
 
-	mmc->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
+	host->cfg.host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
 	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
 		if (caps & SDHCI_CAN_DO_8BIT)
-			mmc->host_caps |= MMC_MODE_8BIT;
+			host->cfg.host_caps |= MMC_MODE_8BIT;
 	}
 	if (host->host_caps)
-		mmc->host_caps |= host->host_caps;
+		host->cfg.host_caps |= host->host_caps;
+
+	host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
 	sdhci_reset(host, SDHCI_RESET_ALL);
-	mmc_register(mmc);
+
+	host->mmc = mmc_create(&host->cfg, host);
+	if (host->mmc == NULL) {
+		printf("%s: mmc create fail!\n", __func__);
+		return -1;
+	}
 
 	return 0;
 }
diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c
index 011d4f3e638..ed83a14c2de 100644
--- a/drivers/mmc/sh_mmcif.c
+++ b/drivers/mmc/sh_mmcif.c
@@ -20,11 +20,6 @@
 
 #define DRIVER_NAME	"sh_mmcif"
 
-static void *mmc_priv(struct mmc *mmc)
-{
-	return (void *)mmc->priv;
-}
-
 static int sh_mmcif_intr(void *dev_id)
 {
 	struct sh_mmcif_host *host = dev_id;
@@ -522,7 +517,7 @@ static int sh_mmcif_start_cmd(struct sh_mmcif_host *host,
 static int sh_mmcif_request(struct mmc *mmc, struct mmc_cmd *cmd,
 			    struct mmc_data *data)
 {
-	struct sh_mmcif_host *host = mmc_priv(mmc);
+	struct sh_mmcif_host *host = mmc->priv;
 	int ret;
 
 	WATCHDOG_RESET();
@@ -550,7 +545,7 @@ static int sh_mmcif_request(struct mmc *mmc, struct mmc_cmd *cmd,
 
 static void sh_mmcif_set_ios(struct mmc *mmc)
 {
-	struct sh_mmcif_host *host = mmc_priv(mmc);
+	struct sh_mmcif_host *host = mmc->priv;
 
 	if (mmc->clock)
 		sh_mmcif_clock_control(host, mmc->clock);
@@ -567,44 +562,48 @@ static void sh_mmcif_set_ios(struct mmc *mmc)
 
 static int sh_mmcif_init(struct mmc *mmc)
 {
-	struct sh_mmcif_host *host = mmc_priv(mmc);
+	struct sh_mmcif_host *host = mmc->priv;
 
 	sh_mmcif_sync_reset(host);
 	sh_mmcif_write(MASK_ALL, &host->regs->ce_int_mask);
 	return 0;
 }
 
+static const struct mmc_ops sh_mmcif_ops = {
+	.send_cmd	= sh_mmcif_request,
+	.set_ios	= sh_mmcif_set_ios,
+	.init		= sh_mmcif_init,
+};
+
+static struct mmc_config sh_mmcif_cfg = {
+	.name		= DRIVER_NAME,
+	.ops		= &sh_mmcif_ops,
+	.host_caps	= MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT |
+			  MMC_MODE_8BIT | MMC_MODE_HC,
+	.voltages	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.f_min		= CLKDEV_MMC_INIT,
+	.f_max		= CLKDEV_EMMC_DATA,
+	.b_max		= CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
+
 int mmcif_mmc_init(void)
 {
-	int ret = 0;
 	struct mmc *mmc;
 	struct sh_mmcif_host *host = NULL;
 
-	mmc = malloc(sizeof(struct mmc));
-	if (!mmc)
-		ret = -ENOMEM;
-	memset(mmc, 0, sizeof(*mmc));
 	host = malloc(sizeof(struct sh_mmcif_host));
 	if (!host)
-		ret = -ENOMEM;
+		return -ENOMEM;
 	memset(host, 0, sizeof(*host));
 
-	mmc->f_min = CLKDEV_MMC_INIT;
-	mmc->f_max = CLKDEV_EMMC_DATA;
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
-	mmc->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT |
-			 MMC_MODE_8BIT | MMC_MODE_HC;
-	memcpy(mmc->name, DRIVER_NAME, sizeof(DRIVER_NAME));
-	mmc->send_cmd = sh_mmcif_request;
-	mmc->set_ios = sh_mmcif_set_ios;
-	mmc->init = sh_mmcif_init;
-	mmc->getcd = NULL;
-	mmc->getwp = NULL;
 	host->regs = (struct sh_mmcif_regs *)CONFIG_SH_MMCIF_ADDR;
 	host->clk = CONFIG_SH_MMCIF_CLK;
-	mmc->priv = host;
 
-	mmc_register(mmc);
+	mmc = mmc_create(&sh_mmcif_cfg, host);
+	if (mmc == NULL) {
+		free(host);
+		return -ENOMEM;
+	}
 
-	return ret;
+	return 0;
 }
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c
index 3d1ce1263c8..ed67eec2527 100644
--- a/drivers/mmc/tegra_mmc.c
+++ b/drivers/mmc/tegra_mmc.c
@@ -18,7 +18,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-struct mmc mmc_dev[MAX_HOSTS];
 struct mmc_host mmc_host[MAX_HOSTS];
 
 #ifndef CONFIG_OF_CONTROL
@@ -145,7 +144,7 @@ static int mmc_wait_inhibit(struct mmc_host *host,
 static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 			struct mmc_data *data, struct bounce_buffer *bbstate)
 {
-	struct mmc_host *host = (struct mmc_host *)mmc->priv;
+	struct mmc_host *host = mmc->priv;
 	int flags, i;
 	int result;
 	unsigned int mask = 0;
@@ -314,7 +313,7 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 	return 0;
 }
 
-static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
+static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 			struct mmc_data *data)
 {
 	void *buf;
@@ -396,7 +395,7 @@ out:
 	host->clock = clock;
 }
 
-static void mmc_set_ios(struct mmc *mmc)
+static void tegra_mmc_set_ios(struct mmc *mmc)
 {
 	struct mmc_host *host = mmc->priv;
 	unsigned char ctrl;
@@ -456,7 +455,7 @@ static void mmc_reset(struct mmc_host *host, struct mmc *mmc)
 	}
 
 	/* Set SD bus voltage & enable bus power */
-	mmc_set_power(host, fls(mmc->voltages) - 1);
+	mmc_set_power(host, fls(mmc->cfg->voltages) - 1);
 	debug("%s: power control = %02X, host control = %02X\n", __func__,
 		readb(&host->reg->pwrcon), readb(&host->reg->hostctl));
 
@@ -464,9 +463,9 @@ static void mmc_reset(struct mmc_host *host, struct mmc *mmc)
 	pad_init_mmc(host);
 }
 
-static int mmc_core_init(struct mmc *mmc)
+static int tegra_mmc_core_init(struct mmc *mmc)
 {
-	struct mmc_host *host = (struct mmc_host *)mmc->priv;
+	struct mmc_host *host = mmc->priv;
 	unsigned int mask;
 	debug(" mmc_core_init called\n");
 
@@ -511,7 +510,7 @@ static int mmc_core_init(struct mmc *mmc)
 
 int tegra_mmc_getcd(struct mmc *mmc)
 {
-	struct mmc_host *host = (struct mmc_host *)mmc->priv;
+	struct mmc_host *host = mmc->priv;
 
 	debug("tegra_mmc_getcd called\n");
 
@@ -521,6 +520,13 @@ int tegra_mmc_getcd(struct mmc *mmc)
 	return 1;
 }
 
+static const struct mmc_ops tegra_mmc_ops = {
+	.send_cmd	= tegra_mmc_send_cmd,
+	.set_ios	= tegra_mmc_set_ios,
+	.init		= tegra_mmc_core_init,
+	.getcd		= tegra_mmc_getcd,
+};
+
 static int do_mmc_init(int dev_index)
 {
 	struct mmc_host *host;
@@ -554,23 +560,18 @@ static int do_mmc_init(int dev_index)
 		debug(" CD GPIO name = %s\n", host->cd_gpio.name);
 	}
 
-	mmc = &mmc_dev[dev_index];
+	memset(&host->cfg, 0, sizeof(host->cfg));
 
-	sprintf(mmc->name, "Tegra SD/MMC");
-	mmc->priv = host;
-	mmc->send_cmd = mmc_send_cmd;
-	mmc->set_ios = mmc_set_ios;
-	mmc->init = mmc_core_init;
-	mmc->getcd = tegra_mmc_getcd;
-	mmc->getwp = NULL;
+	host->cfg.name = "Tegra SD/MMC";
+	host->cfg.ops = &tegra_mmc_ops;
 
-	mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-	mmc->host_caps = 0;
+	host->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
+	host->cfg.host_caps = 0;
 	if (host->width == 8)
-		mmc->host_caps |= MMC_MODE_8BIT;
+		host->cfg.host_caps |= MMC_MODE_8BIT;
 	if (host->width >= 4)
-		mmc->host_caps |= MMC_MODE_4BIT;
-	mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC;
+		host->cfg.host_caps |= MMC_MODE_4BIT;
+	host->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC;
 
 	/*
 	 * min freq is for card identification, and is the highest
@@ -578,10 +579,14 @@ static int do_mmc_init(int dev_index)
 	 * max freq is highest HS eMMC clock as per the SD/MMC spec
 	 *  (actually 52MHz)
 	 */
-	mmc->f_min = 375000;
-	mmc->f_max = 48000000;
+	host->cfg.f_min = 375000;
+	host->cfg.f_max = 48000000;
+
+	host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	mmc_register(mmc);
+	mmc = mmc_create(&host->cfg, host);
+	if (mmc == NULL)
+		return -1;
 
 	return 0;
 }
diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index afeaccec19a..382b0c7f0a6 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -110,7 +110,7 @@ struct dmamacdescr {
 	u32 dmamac_cntl;
 	void *dmamac_addr;
 	struct dmamacdescr *dmamac_next;
-} __aligned(16);
+} __aligned(ARCH_DMA_MINALIGN);
 
 /*
  * txrx_status definitions
diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c
index a045864d730..de75ff13390 100644
--- a/drivers/usb/gadget/f_dfu.c
+++ b/drivers/usb/gadget/f_dfu.c
@@ -164,9 +164,14 @@ static void dnload_request_complete(struct usb_ep *ep, struct usb_request *req)
 
 	dfu_write(dfu_get_entity(f_dfu->altsetting), req->buf,
 		  req->length, f_dfu->blk_seq_num);
+}
 
-	if (req->length == 0)
-		puts("DOWNLOAD ... OK\nCtrl+C to exit ...\n");
+static void dnload_request_flush(struct usb_ep *ep, struct usb_request *req)
+{
+	struct f_dfu *f_dfu = req->context;
+
+	dfu_flush(dfu_get_entity(f_dfu->altsetting), req->buf,
+		  req->length, f_dfu->blk_seq_num);
 }
 
 static void handle_getstatus(struct usb_request *req)
@@ -174,19 +179,22 @@ static void handle_getstatus(struct usb_request *req)
 	struct dfu_status *dstat = (struct dfu_status *)req->buf;
 	struct f_dfu *f_dfu = req->context;
 
+	dfu_set_poll_timeout(dstat, 0);
+
 	switch (f_dfu->dfu_state) {
 	case DFU_STATE_dfuDNLOAD_SYNC:
 	case DFU_STATE_dfuDNBUSY:
 		f_dfu->dfu_state = DFU_STATE_dfuDNLOAD_IDLE;
 		break;
 	case DFU_STATE_dfuMANIFEST_SYNC:
+		f_dfu->dfu_state = DFU_STATE_dfuMANIFEST;
 		break;
+	case DFU_STATE_dfuMANIFEST:
+		dfu_set_poll_timeout(dstat, DFU_MANIFEST_POLL_TIMEOUT);
 	default:
 		break;
 	}
 
-	dfu_set_poll_timeout(dstat, 0);
-
 	if (f_dfu->poll_timeout)
 		if (!(f_dfu->blk_seq_num %
 		      (dfu_get_buf_size() / DFU_USB_BUFSIZ)))
@@ -446,10 +454,11 @@ static int state_dfu_manifest_sync(struct f_dfu *f_dfu,
 	switch (ctrl->bRequest) {
 	case USB_REQ_DFU_GETSTATUS:
 		/* We're MainfestationTolerant */
-		f_dfu->dfu_state = DFU_STATE_dfuIDLE;
+		f_dfu->dfu_state = DFU_STATE_dfuMANIFEST;
 		handle_getstatus(req);
 		f_dfu->blk_seq_num = 0;
 		value = RET_STAT_LEN;
+		req->complete = dnload_request_flush;
 		break;
 	case USB_REQ_DFU_GETSTATE:
 		handle_getstate(req);
@@ -463,6 +472,33 @@ static int state_dfu_manifest_sync(struct f_dfu *f_dfu,
 	return value;
 }
 
+static int state_dfu_manifest(struct f_dfu *f_dfu,
+			      const struct usb_ctrlrequest *ctrl,
+			      struct usb_gadget *gadget,
+			      struct usb_request *req)
+{
+	int value = 0;
+
+	switch (ctrl->bRequest) {
+	case USB_REQ_DFU_GETSTATUS:
+		/* We're MainfestationTolerant */
+		f_dfu->dfu_state = DFU_STATE_dfuIDLE;
+		handle_getstatus(req);
+		f_dfu->blk_seq_num = 0;
+		value = RET_STAT_LEN;
+		puts("DOWNLOAD ... OK\nCtrl+C to exit ...\n");
+		break;
+	case USB_REQ_DFU_GETSTATE:
+		handle_getstate(req);
+		break;
+	default:
+		f_dfu->dfu_state = DFU_STATE_dfuERROR;
+		value = RET_STALL;
+		break;
+	}
+	return value;
+}
+
 static int state_dfu_upload_idle(struct f_dfu *f_dfu,
 				 const struct usb_ctrlrequest *ctrl,
 				 struct usb_gadget *gadget,
@@ -539,7 +575,7 @@ static dfu_state_fn dfu_state[] = {
 	state_dfu_dnbusy,        /* DFU_STATE_dfuDNBUSY */
 	state_dfu_dnload_idle,   /* DFU_STATE_dfuDNLOAD_IDLE */
 	state_dfu_manifest_sync, /* DFU_STATE_dfuMANIFEST_SYNC */
-	NULL,                    /* DFU_STATE_dfuMANIFEST */
+	state_dfu_manifest,	 /* DFU_STATE_dfuMANIFEST */
 	NULL,                    /* DFU_STATE_dfuMANIFEST_WAIT_RST */
 	state_dfu_upload_idle,   /* DFU_STATE_dfuUPLOAD_IDLE */
 	state_dfu_error          /* DFU_STATE_dfuERROR */