diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
new file mode 100644
index 0000000..61f604c
--- /dev/null
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -0,0 +1,258 @@
+/*
+ * 8250_mid.c - Driver for UART on Intel Penwell and various other Intel SOCs
+ *
+ * Copyright (C) 2015 Intel Corporation
+ * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ *
+ * 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.
+ */
+
+#include <linux/rational.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <linux/dma/hsu.h>
+
+#include "8250.h"
+
+#define PCI_DEVICE_ID_INTEL_PNW_UART1	0x081b
+#define PCI_DEVICE_ID_INTEL_PNW_UART2	0x081c
+#define PCI_DEVICE_ID_INTEL_PNW_UART3	0x081d
+#define PCI_DEVICE_ID_INTEL_TNG_UART	0x1191
+
+/* Intel MID Specific registers */
+#define INTEL_MID_UART_PS		0x30
+#define INTEL_MID_UART_MUL		0x34
+#define INTEL_MID_UART_DIV		0x38
+
+struct mid8250;
+
+struct mid8250_board {
+	unsigned long freq;
+	unsigned int base_baud;
+	int (*setup)(struct mid8250 *, struct uart_port *p);
+};
+
+struct mid8250 {
+	int line;
+	int dma_index;
+	struct pci_dev *dma_dev;
+	struct uart_8250_dma dma;
+	struct mid8250_board *board;
+};
+
+/*****************************************************************************/
+
+static int pnw_setup(struct mid8250 *mid, struct uart_port *p)
+{
+	struct pci_dev *pdev = to_pci_dev(p->dev);
+
+	switch (pdev->device) {
+	case PCI_DEVICE_ID_INTEL_PNW_UART1:
+		mid->dma_index = 0;
+		break;
+	case PCI_DEVICE_ID_INTEL_PNW_UART2:
+		mid->dma_index = 1;
+		break;
+	case PCI_DEVICE_ID_INTEL_PNW_UART3:
+		mid->dma_index = 2;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	mid->dma_dev = pci_get_slot(pdev->bus,
+				    PCI_DEVFN(PCI_SLOT(pdev->devfn), 3));
+	return 0;
+}
+
+static int tng_setup(struct mid8250 *mid, struct uart_port *p)
+{
+	struct pci_dev *pdev = to_pci_dev(p->dev);
+	int index = PCI_FUNC(pdev->devfn);
+
+	/* Currently no support for HSU port0 */
+	if (index-- == 0)
+		return -ENODEV;
+
+	mid->dma_index = index;
+	mid->dma_dev = pci_get_slot(pdev->bus, PCI_DEVFN(5, 0));
+	return 0;
+}
+
+/*****************************************************************************/
+
+static void mid8250_set_termios(struct uart_port *p,
+				struct ktermios *termios,
+				struct ktermios *old)
+{
+	unsigned int baud = tty_termios_baud_rate(termios);
+	struct mid8250 *mid = p->private_data;
+	unsigned short ps = 16;
+	unsigned long fuart = baud * ps;
+	unsigned long w = BIT(24) - 1;
+	unsigned long mul, div;
+
+	if (mid->board->freq < fuart) {
+		/* Find prescaler value that satisfies Fuart < Fref */
+		if (mid->board->freq > baud)
+			ps = mid->board->freq / baud;	/* baud rate too high */
+		else
+			ps = 1;				/* PLL case */
+		fuart = baud * ps;
+	} else {
+		/* Get Fuart closer to Fref */
+		fuart *= rounddown_pow_of_two(mid->board->freq / fuart);
+	}
+
+	rational_best_approximation(fuart, mid->board->freq, w, w, &mul, &div);
+	p->uartclk = fuart * 16 / ps;		/* core uses ps = 16 always */
+
+	writel(ps, p->membase + INTEL_MID_UART_PS);		/* set PS */
+	writel(mul, p->membase + INTEL_MID_UART_MUL);		/* set MUL */
+	writel(div, p->membase + INTEL_MID_UART_DIV);
+
+	serial8250_do_set_termios(p, termios, old);
+}
+
+static bool mid8250_dma_filter(struct dma_chan *chan, void *param)
+{
+	struct hsu_dma_slave *s = param;
+
+	if (s->dma_dev != chan->device->dev || s->chan_id != chan->chan_id)
+		return false;
+
+	chan->private = s;
+	return true;
+}
+
+static int mid8250_dma_setup(struct mid8250 *mid, struct uart_8250_port *port)
+{
+	struct uart_8250_dma *dma = &mid->dma;
+	struct device *dev = port->port.dev;
+	struct hsu_dma_slave *rx_param;
+	struct hsu_dma_slave *tx_param;
+
+	rx_param = devm_kzalloc(dev, sizeof(*rx_param), GFP_KERNEL);
+	if (!rx_param)
+		return -ENOMEM;
+
+	tx_param = devm_kzalloc(dev, sizeof(*tx_param), GFP_KERNEL);
+	if (!tx_param)
+		return -ENOMEM;
+
+	rx_param->chan_id = mid->dma_index * 2 + 1;
+	tx_param->chan_id = mid->dma_index * 2;
+
+	dma->rxconf.src_maxburst = 64;
+	dma->txconf.dst_maxburst = 64;
+
+	rx_param->dma_dev = &mid->dma_dev->dev;
+	tx_param->dma_dev = &mid->dma_dev->dev;
+
+	dma->fn = mid8250_dma_filter;
+	dma->rx_param = rx_param;
+	dma->tx_param = tx_param;
+
+	port->dma = dma;
+	return 0;
+}
+
+static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	struct uart_8250_port uart;
+	struct mid8250 *mid;
+	int ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret)
+		return ret;
+
+	pci_set_master(pdev);
+
+	mid = devm_kzalloc(&pdev->dev, sizeof(*mid), GFP_KERNEL);
+	if (!mid)
+		return -ENOMEM;
+
+	mid->board = (struct mid8250_board *)id->driver_data;
+
+	memset(&uart, 0, sizeof(struct uart_8250_port));
+
+	uart.port.dev = &pdev->dev;
+	uart.port.irq = pdev->irq;
+	uart.port.private_data = mid;
+	uart.port.type = PORT_16750;
+	uart.port.iotype = UPIO_MEM;
+	uart.port.uartclk = mid->board->base_baud * 16;
+	uart.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT | UPF_FIXED_TYPE;
+	uart.port.set_termios = mid8250_set_termios;
+
+	uart.port.mapbase = pci_resource_start(pdev, 0);
+	uart.port.membase = pcim_iomap(pdev, 0, 0);
+	if (!uart.port.membase)
+		return -ENOMEM;
+
+	if (mid->board->setup) {
+		ret = mid->board->setup(mid, &uart.port);
+		if (ret)
+			return ret;
+	}
+
+	ret = mid8250_dma_setup(mid, &uart);
+	if (ret)
+		return ret;
+
+	ret = serial8250_register_8250_port(&uart);
+	if (ret < 0)
+		return ret;
+
+	mid->line = ret;
+
+	pci_set_drvdata(pdev, mid);
+	return 0;
+}
+
+static void mid8250_remove(struct pci_dev *pdev)
+{
+	struct mid8250 *mid = pci_get_drvdata(pdev);
+
+	serial8250_unregister_port(mid->line);
+}
+
+static const struct mid8250_board pnw_board = {
+	.freq = 50000000,
+	.base_baud = 115200,
+	.setup = pnw_setup,
+};
+
+static const struct mid8250_board tng_board = {
+	.freq = 38400000,
+	.base_baud = 1843200,
+	.setup = tng_setup,
+};
+
+#define MID_DEVICE(id, board) { PCI_VDEVICE(INTEL, id), (kernel_ulong_t)&board }
+
+static const struct pci_device_id pci_ids[] = {
+	MID_DEVICE(PCI_DEVICE_ID_INTEL_PNW_UART1, pnw_board),
+	MID_DEVICE(PCI_DEVICE_ID_INTEL_PNW_UART2, pnw_board),
+	MID_DEVICE(PCI_DEVICE_ID_INTEL_PNW_UART3, pnw_board),
+	MID_DEVICE(PCI_DEVICE_ID_INTEL_TNG_UART, tng_board),
+	{ },
+};
+MODULE_DEVICE_TABLE(pci, pci_ids);
+
+static struct pci_driver mid8250_pci_driver = {
+	.name           = "8250_mid",
+	.id_table       = pci_ids,
+	.probe          = mid8250_probe,
+	.remove         = mid8250_remove,
+};
+
+module_pci_driver(mid8250_pci_driver);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Intel MID UART driver");
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 68042dd..177eaea 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -28,7 +28,6 @@
 
 #include <linux/dmaengine.h>
 #include <linux/platform_data/dma-dw.h>
-#include <linux/platform_data/dma-hsu.h>
 
 #include "8250.h"
 
@@ -1508,167 +1507,6 @@ byt_serial_setup(struct serial_private *priv,
 	return ret;
 }
 
-#define INTEL_MID_UART_PS		0x30
-#define INTEL_MID_UART_MUL		0x34
-#define INTEL_MID_UART_DIV		0x38
-
-static void intel_mid_set_termios(struct uart_port *p,
-				  struct ktermios *termios,
-				  struct ktermios *old,
-				  unsigned long fref)
-{
-	unsigned int baud = tty_termios_baud_rate(termios);
-	unsigned short ps = 16;
-	unsigned long fuart = baud * ps;
-	unsigned long w = BIT(24) - 1;
-	unsigned long mul, div;
-
-	if (fref < fuart) {
-		/* Find prescaler value that satisfies Fuart < Fref */
-		if (fref > baud)
-			ps = fref / baud;	/* baud rate too high */
-		else
-			ps = 1;			/* PLL case */
-		fuart = baud * ps;
-	} else {
-		/* Get Fuart closer to Fref */
-		fuart *= rounddown_pow_of_two(fref / fuart);
-	}
-
-	rational_best_approximation(fuart, fref, w, w, &mul, &div);
-	p->uartclk = fuart * 16 / ps;		/* core uses ps = 16 always */
-
-	writel(ps, p->membase + INTEL_MID_UART_PS);		/* set PS */
-	writel(mul, p->membase + INTEL_MID_UART_MUL);		/* set MUL */
-	writel(div, p->membase + INTEL_MID_UART_DIV);
-
-	serial8250_do_set_termios(p, termios, old);
-}
-
-static void intel_mid_set_termios_38_4M(struct uart_port *p,
-					struct ktermios *termios,
-					struct ktermios *old)
-{
-	intel_mid_set_termios(p, termios, old, 38400000);
-}
-
-static void intel_mid_set_termios_50M(struct uart_port *p,
-				      struct ktermios *termios,
-				      struct ktermios *old)
-{
-	/*
-	 * The uart clk is 50Mhz, and the baud rate come from:
-	 *      baud = 50M * MUL / (DIV * PS * DLAB)
-	 */
-	intel_mid_set_termios(p, termios, old, 50000000);
-}
-
-static bool intel_mid_dma_filter(struct dma_chan *chan, void *param)
-{
-	struct hsu_dma_slave *s = param;
-
-	if (s->dma_dev != chan->device->dev || s->chan_id != chan->chan_id)
-		return false;
-
-	chan->private = s;
-	return true;
-}
-
-static int intel_mid_serial_setup(struct serial_private *priv,
-				  const struct pciserial_board *board,
-				  struct uart_8250_port *port, int idx,
-				  int index, struct pci_dev *dma_dev)
-{
-	struct device *dev = port->port.dev;
-	struct uart_8250_dma *dma;
-	struct hsu_dma_slave *tx_param, *rx_param;
-
-	dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL);
-	if (!dma)
-		return -ENOMEM;
-
-	tx_param = devm_kzalloc(dev, sizeof(*tx_param), GFP_KERNEL);
-	if (!tx_param)
-		return -ENOMEM;
-
-	rx_param = devm_kzalloc(dev, sizeof(*rx_param), GFP_KERNEL);
-	if (!rx_param)
-		return -ENOMEM;
-
-	rx_param->chan_id = index * 2 + 1;
-	tx_param->chan_id = index * 2;
-
-	dma->rxconf.src_maxburst = 64;
-	dma->txconf.dst_maxburst = 64;
-
-	rx_param->dma_dev = &dma_dev->dev;
-	tx_param->dma_dev = &dma_dev->dev;
-
-	dma->fn = intel_mid_dma_filter;
-	dma->rx_param = rx_param;
-	dma->tx_param = tx_param;
-
-	port->port.type = PORT_16750;
-	port->port.flags |= UPF_FIXED_PORT | UPF_FIXED_TYPE;
-	port->dma = dma;
-
-	return pci_default_setup(priv, board, port, idx);
-}
-
-#define PCI_DEVICE_ID_INTEL_PNW_UART1	0x081b
-#define PCI_DEVICE_ID_INTEL_PNW_UART2	0x081c
-#define PCI_DEVICE_ID_INTEL_PNW_UART3	0x081d
-
-static int pnw_serial_setup(struct serial_private *priv,
-			    const struct pciserial_board *board,
-			    struct uart_8250_port *port, int idx)
-{
-	struct pci_dev *pdev = priv->dev;
-	struct pci_dev *dma_dev;
-	int index;
-
-	switch (pdev->device) {
-	case PCI_DEVICE_ID_INTEL_PNW_UART1:
-		index = 0;
-		break;
-	case PCI_DEVICE_ID_INTEL_PNW_UART2:
-		index = 1;
-		break;
-	case PCI_DEVICE_ID_INTEL_PNW_UART3:
-		index = 2;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	dma_dev = pci_get_slot(pdev->bus, PCI_DEVFN(PCI_SLOT(pdev->devfn), 3));
-
-	port->port.set_termios = intel_mid_set_termios_50M;
-
-	return intel_mid_serial_setup(priv, board, port, idx, index, dma_dev);
-}
-
-#define PCI_DEVICE_ID_INTEL_TNG_UART	0x1191
-
-static int tng_serial_setup(struct serial_private *priv,
-			    const struct pciserial_board *board,
-			    struct uart_8250_port *port, int idx)
-{
-	struct pci_dev *pdev = priv->dev;
-	struct pci_dev *dma_dev;
-	int index = PCI_FUNC(pdev->devfn);
-
-	/* Currently no support for HSU port0 */
-	if (index-- == 0)
-		return -ENODEV;
-
-	dma_dev = pci_get_slot(pdev->bus, PCI_DEVFN(5, 0));
-
-	port->port.set_termios = intel_mid_set_termios_38_4M;
-
-	return intel_mid_serial_setup(priv, board, port, idx, index, dma_dev);
-}
-
 static int
 pci_omegapci_setup(struct serial_private *priv,
 		      const struct pciserial_board *board,
@@ -2212,34 +2050,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 	},
 	{
 		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_PNW_UART1,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= pnw_serial_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_PNW_UART2,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= pnw_serial_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_PNW_UART3,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= pnw_serial_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_TNG_UART,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= tng_serial_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_INTEL,
 		.device		= PCI_DEVICE_ID_INTEL_BSW_UART1,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
@@ -3119,8 +2929,6 @@ enum pci_board_num_t {
 	pbn_ADDIDATA_PCIe_8_3906250,
 	pbn_ce4100_1_115200,
 	pbn_byt,
-	pbn_pnw,
-	pbn_tng,
 	pbn_qrk,
 	pbn_omegapci,
 	pbn_NETMOS9900_2s_115200,
@@ -3907,16 +3715,6 @@ static struct pciserial_board pci_boards[] = {
 		.uart_offset	= 0x80,
 		.reg_shift      = 2,
 	},
-	[pbn_pnw] = {
-		.flags		= FL_BASE0,
-		.num_ports	= 1,
-		.base_baud	= 115200,
-	},
-	[pbn_tng] = {
-		.flags		= FL_BASE0,
-		.num_ports	= 1,
-		.base_baud	= 1843200,
-	},
 	[pbn_qrk] = {
 		.flags		= FL_BASE0,
 		.num_ports	= 1,
@@ -4005,6 +3803,12 @@ static const struct pci_device_id blacklist[] = {
 	{ PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
 	{ PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
 	{ PCI_DEVICE(0x1c00, 0x3470), }, /* WCH CH384 4S */
+
+	/* Intel platforms with MID UART */
+	{ PCI_VDEVICE(INTEL, 0x081b), },
+	{ PCI_VDEVICE(INTEL, 0x081c), },
+	{ PCI_VDEVICE(INTEL, 0x081d), },
+	{ PCI_VDEVICE(INTEL, 0x1191), },
 };
 
 /*
@@ -5702,26 +5506,6 @@ static struct pci_device_id serial_pci_tbl[] = {
 		pbn_byt },
 
 	/*
-	 * Intel Penwell
-	 */
-	{	PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PNW_UART1,
-		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-		pbn_pnw},
-	{	PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PNW_UART2,
-		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-		pbn_pnw},
-	{	PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PNW_UART3,
-		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-		pbn_pnw},
-
-	/*
-	 * Intel Tangier
-	 */
-	{	PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TNG_UART,
-		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-		pbn_tng},
-
-	/*
 	 * Intel Quark x1000
 	 */
 	{	PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QRK_UART,
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 656a173..7fd2da8 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -367,3 +367,11 @@ config SERIAL_8250_INGENIC
 	help
 	  If you have a system using an Ingenic SoC and wish to make use of
 	  its UARTs, say Y to this option. If unsure, say N.
+
+config SERIAL_8250_MID
+	tristate "Support for serial ports on Intel MID platforms"
+	depends on SERIAL_8250 && PCI
+	help
+	  Selecting this option will enable handling of the extra features
+	  present on the UART found on Intel Medfield SOC and various other
+	  Intel platforms.
diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile
index 39c6d22..e177f86 100644
--- a/drivers/tty/serial/8250/Makefile
+++ b/drivers/tty/serial/8250/Makefile
@@ -27,5 +27,6 @@ obj-$(CONFIG_SERIAL_8250_LPC18XX)	+= 8250_lpc18xx.o
 obj-$(CONFIG_SERIAL_8250_MT6577)	+= 8250_mtk.o
 obj-$(CONFIG_SERIAL_8250_UNIPHIER)	+= 8250_uniphier.o
 obj-$(CONFIG_SERIAL_8250_INGENIC)	+= 8250_ingenic.o
+obj-$(CONFIG_SERIAL_8250_MID)		+= 8250_mid.o
 
 CFLAGS_8250_ingenic.o += -I$(srctree)/scripts/dtc/libfdt
