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

10 files changed, 1672 insertions, 0 deletions

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index d0efd73c5b..696d5fbbba 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -33,10 +33,19 @@ COBJS-$(CONFIG_SYS_NS16550) += ns16550.o
 COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o
 COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
 COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial.o
+COBJS-$(CONFIG_CLPS7111_SERIAL) += serial_clps7111.o
+COBJS-$(CONFIG_IMX_SERIAL) += serial_imx.o
 COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
+COBJS-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
+COBJS-$(CONFIG_LPC2292_SERIAL) += serial_lpc2292.o
 COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
+COBJS-$(CONFIG_MX31_UART) += serial_mx31.o
+COBJS-$(CONFIG_NETARM_SERIAL) += serial_netarm.o
 COBJS-$(CONFIG_PL010_SERIAL) += serial_pl01x.o
 COBJS-$(CONFIG_PL011_SERIAL) += serial_pl01x.o
+COBJS-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o
+COBJS-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
+COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o
 COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
 COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
 COBJS-$(CONFIG_USB_TTY) += usbtty.o
diff --git a/drivers/serial/serial_clps7111.c b/drivers/serial/serial_clps7111.c
new file mode 100644
index 0000000000..a6aecadd13
--- /dev/null
+++ b/drivers/serial/serial_clps7111.c
@@ -0,0 +1,121 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <clps7111.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	unsigned int reg = 0;
+
+	switch (gd->baudrate) {
+	case   1200:	reg = 191;	break;
+	case   9600:	reg =  23;	break;
+	case  19200:	reg =  11;	break;
+	case  38400:	reg =   5;	break;
+	case  57600:	reg =   3;	break;
+	case 115200:	reg =   1;	break;
+	default:	hang ();	break;
+	}
+
+	/* init serial serial 1,2 */
+	IO_SYSCON1 = SYSCON1_UART1EN;
+	IO_SYSCON2 = SYSCON2_UART2EN;
+
+	reg |= UBRLCR_WRDLEN8;
+
+	IO_UBRLCR1 = reg;
+	IO_UBRLCR2 = reg;
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+	serial_setbrg ();
+
+	return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+	int tmo;
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+
+	tmo = get_timer (0) + 1 * CONFIG_SYS_HZ;
+	while (IO_SYSFLG1 & SYSFLG1_UTXFF)
+		if (get_timer (0) > tmo)
+			break;
+
+	IO_UARTDR1 = c;
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+	return !(IO_SYSFLG1 & SYSFLG1_URXFE);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+	while (IO_SYSFLG1 & SYSFLG1_URXFE);
+
+	return IO_UARTDR1 & 0xff;
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
new file mode 100644
index 0000000000..b9ca748f69
--- /dev/null
+++ b/drivers/serial/serial_imx.c
@@ -0,0 +1,221 @@
+/*
+ * (c) 2004 Sascha Hauer <sascha@saschahauer.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+
+#if defined CONFIG_IMX_SERIAL1
+#define UART_BASE IMX_UART1_BASE
+#elif defined CONFIG_IMX_SERIAL2
+#define UART_BASE IMX_UART2_BASE
+#else
+#error "define CONFIG_IMX_SERIAL1, CONFIG_IMX_SERIAL2 or CONFIG_IMX_SERIAL_NONE"
+#endif
+
+struct imx_serial {
+	volatile uint32_t urxd[16];
+	volatile uint32_t utxd[16];
+	volatile uint32_t ucr1;
+	volatile uint32_t ucr2;
+	volatile uint32_t ucr3;
+	volatile uint32_t ucr4;
+	volatile uint32_t ufcr;
+	volatile uint32_t usr1;
+	volatile uint32_t usr2;
+	volatile uint32_t uesc;
+	volatile uint32_t utim;
+	volatile uint32_t ubir;
+	volatile uint32_t ubmr;
+	volatile uint32_t ubrc;
+	volatile uint32_t bipr[4];
+	volatile uint32_t bmpr[4];
+	volatile uint32_t uts;
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	serial_init();
+}
+
+extern void imx_gpio_mode(int gpio_mode);
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+	volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+	unsigned int ufcr_rfdiv;
+	unsigned int refclk;
+
+#ifdef CONFIG_IMX_SERIAL1
+	imx_gpio_mode(PC11_PF_UART1_TXD);
+	imx_gpio_mode(PC12_PF_UART1_RXD);
+#else
+	imx_gpio_mode(PB30_PF_UART2_TXD);
+	imx_gpio_mode(PB31_PF_UART2_RXD);
+#endif
+
+	/* Disable UART */
+	base->ucr1 &= ~UCR1_UARTEN;
+
+	/* Set to default POR state */
+
+	base->ucr1 = 0x00000004;
+	base->ucr2 = 0x00000000;
+	base->ucr3 = 0x00000000;
+	base->ucr4 = 0x00008040;
+	base->uesc = 0x0000002B;
+	base->utim = 0x00000000;
+	base->ubir = 0x00000000;
+	base->ubmr = 0x00000000;
+	base->uts  = 0x00000000;
+	/* Set clocks */
+	base->ucr4 |= UCR4_REF16;
+
+	/* Configure FIFOs */
+	base->ufcr = 0xa81;
+
+	/* set the baud rate.
+	 *
+	 * baud * 16   x
+	 * --------- = -
+	 *  refclk     y
+	 *
+	 * x - 1 = UBIR
+	 * y - 1 = UBMR
+	 *
+	 * each register is 16 bits wide. refclk max is 96 MHz
+	 *
+	 */
+
+	ufcr_rfdiv = ((base->ufcr) & UFCR_RFDIV) >> 7;
+	if (ufcr_rfdiv == 6)
+		ufcr_rfdiv = 7;
+	else
+		ufcr_rfdiv = 6 - ufcr_rfdiv;
+
+	refclk = get_PERCLK1();
+	refclk /= ufcr_rfdiv;
+
+	/* Set the numerator value minus one of the BRM ratio */
+	base->ubir = (gd->baudrate / 100) - 1;
+
+	/* Set the denominator value minus one of the BRM ratio	*/
+	base->ubmr = (refclk/(16 * 100)) - 1;
+
+	/* Set to 8N1 */
+	base->ucr2 &= ~UCR2_PREN;
+	base->ucr2 |= UCR2_WS;
+	base->ucr2 &= ~UCR2_STPB;
+
+	/* Ignore RTS */
+	base->ucr2 |= UCR2_IRTS;
+
+	/* Enable UART */
+	base->ucr1 |= UCR1_UARTEN | UCR1_UARTCLKEN;
+
+	/* Enable FIFOs */
+	base->ucr2 |= UCR2_SRST | UCR2_RXEN | UCR2_TXEN;
+
+	/* Clear status flags */
+	base->usr2 |= USR2_ADET  |
+		      USR2_DTRF  |
+		      USR2_IDLE  |
+		      USR2_IRINT |
+		      USR2_WAKE  |
+		      USR2_RTSF  |
+		      USR2_BRCD  |
+		      USR2_ORE;
+
+	/* Clear status flags */
+	base->usr1 |= USR1_PARITYERR |
+		      USR1_RTSD      |
+		      USR1_ESCF      |
+		      USR1_FRAMERR   |
+		      USR1_AIRINT    |
+		      USR1_AWAKE;
+	return (0);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is successful, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+	volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+	unsigned char ch;
+
+	while(base->uts & UTS_RXEMPTY);
+
+	ch = (char)base->urxd[0];
+
+	return ch;
+}
+
+#ifdef CONFIG_HWFLOW
+static int hwflow = 0; /* turned off by default */
+int hwflow_onoff(int on)
+{
+}
+#endif
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+	volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+
+	/* Wait for Tx FIFO not full */
+	while (base->uts & UTS_TXFULL);
+
+	base->utxd[0] = c;
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+}
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int serial_tstc (void)
+{
+	volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+
+	/* If receive fifo is empty, return false */
+	if (base->uts & UTS_RXEMPTY)
+		return 0;
+	return 1;
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
new file mode 100644
index 0000000000..aacd1be630
--- /dev/null
+++ b/drivers/serial/serial_ks8695.c
@@ -0,0 +1,117 @@
+/*
+ * serial.c -- KS8695 serial driver
+ *
+ * (C) Copyright 2004, Greg Ungerer <greg.ungerer@opengear.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <common.h>
+#include <asm/arch/platform.h>
+
+#ifndef CONFIG_SERIAL1
+#error "Bad: you didn't configure serial ..."
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ *	Define the UART hardware register access structure.
+ */
+struct ks8695uart {
+	unsigned int	RX;		/* 0x00	- Receive data (r) */
+	unsigned int	TX;		/* 0x04	- Transmit data (w) */
+	unsigned int	FCR;		/* 0x08	- Fifo Control (r/w) */
+	unsigned int	LCR;		/* 0x0c	- Line Control (r/w) */
+	unsigned int	MCR;		/* 0x10	- Modem Control (r/w) */
+	unsigned int	LSR;		/* 0x14	- Line Status (r/w) */
+	unsigned int	MSR;		/* 0x18	- Modem Status (r/w) */
+	unsigned int	BD;		/* 0x1c	- Baud Rate (r/w) */
+	unsigned int	SR;		/* 0x20	- Status (r/w) */
+};
+
+#define	KS8695_UART_ADDR	((void *) (KS8695_IO_BASE + KS8695_UART_RX_BUFFER))
+#define	KS8695_UART_CLK		25000000
+
+
+/*
+ * Under some circumstances we want to be "quiet" and not issue any
+ * serial output - though we want u-boot to otherwise work and behave
+ * the same. By default be noisy.
+ */
+int serial_console = 1;
+
+
+void serial_setbrg(void)
+{
+	volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+
+	/* Set to global baud rate and 8 data bits, no parity, 1 stop bit*/
+	uartp->BD = KS8695_UART_CLK / gd->baudrate;
+	uartp->LCR = KS8695_UART_LINEC_WLEN8;
+}
+
+int serial_init(void)
+{
+	serial_console = 1;
+	serial_setbrg();
+	return 0;
+}
+
+void serial_raw_putc(const char c)
+{
+	volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+	int i;
+
+	for (i = 0; (i < 0x100000); i++) {
+		if (uartp->LSR & KS8695_UART_LINES_TXFE)
+			break;
+	}
+
+	uartp->TX = c;
+}
+
+void serial_putc(const char c)
+{
+	if (serial_console) {
+		serial_raw_putc(c);
+		if (c == '\n')
+			serial_raw_putc('\r');
+	}
+}
+
+int serial_tstc(void)
+{
+	volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+	if (serial_console)
+		return ((uartp->LSR & KS8695_UART_LINES_RXFE) ? 1 : 0);
+	return 0;
+}
+
+void serial_puts(const char *s)
+{
+	char c;
+	while ((c = *s++) != 0)
+		serial_putc(c);
+}
+
+int serial_getc(void)
+{
+	volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+
+	while ((uartp->LSR & KS8695_UART_LINES_RXFE) == 0)
+		;
+	return (uartp->RX);
+}
diff --git a/drivers/serial/serial_lpc2292.c b/drivers/serial/serial_lpc2292.c
new file mode 100644
index 0000000000..87b7d5f411
--- /dev/null
+++ b/drivers/serial/serial_lpc2292.c
@@ -0,0 +1,105 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	unsigned short divisor = 0;
+
+	switch (gd->baudrate) {
+	case   1200:	divisor = 3072;	break;
+	case   9600:	divisor =  384;	break;
+	case  19200:	divisor =  192;	break;
+	case  38400:	divisor =   96;	break;
+	case  57600:	divisor =   64;	break;
+	case 115200:	divisor =   32;	break;
+	default:	hang ();	break;
+	}
+
+	/* init serial UART0 */
+	PUT8(U0LCR, 0);
+	PUT8(U0IER, 0);
+	PUT8(U0LCR, 0x80);	/* DLAB=1 */
+	PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
+	PUT8(U0DLM, (unsigned char)(divisor >> 8));
+	PUT8(U0LCR, 0x03);	/* 8N1, DLAB=0  */
+	PUT8(U0FCR, 1);		/* Enable RX and TX FIFOs */
+}
+
+int serial_init (void)
+{
+	unsigned long pinsel0;
+
+	serial_setbrg ();
+
+	pinsel0 = GET32(PINSEL0);
+	pinsel0 &= ~(0x00000003);
+	pinsel0 |= 5;
+	PUT32(PINSEL0, pinsel0);
+
+	return (0);
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n')
+	{
+		while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+		PUT8(U0THR, '\r');
+	}
+
+	while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+	PUT8(U0THR, c);
+}
+
+int serial_getc (void)
+{
+	while((GET8(U0LSR) & 1) == 0);
+	return GET8(U0RBR);
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+/* Test if there is a byte to read */
+int serial_tstc (void)
+{
+	return (GET8(U0LSR) & 1);
+}
+
diff --git a/drivers/serial/serial_mx31.c b/drivers/serial/serial_mx31.c
new file mode 100644
index 0000000000..7c0682ad77
--- /dev/null
+++ b/drivers/serial/serial_mx31.c
@@ -0,0 +1,226 @@
+/*
+ * (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/mx31.h>
+
+#define __REG(x)     (*((volatile u32 *)(x)))
+
+#ifdef CONFIG_SYS_MX31_UART1
+#define UART_PHYS 0x43f90000
+#elif defined(CONFIG_SYS_MX31_UART2)
+#define UART_PHYS 0x43f94000
+#elif defined(CONFIG_SYS_MX31_UART3)
+#define UART_PHYS 0x5000c000
+#elif defined(CONFIG_SYS_MX31_UART4)
+#define UART_PHYS 0x43fb0000
+#elif defined(CONFIG_SYS_MX31_UART5)
+#define UART_PHYS 0x43fb4000
+#else
+#error "define CONFIG_SYS_MX31_UARTx to use the mx31 UART driver"
+#endif
+
+/* Register definitions */
+#define URXD  0x0  /* Receiver Register */
+#define UTXD  0x40 /* Transmitter Register */
+#define UCR1  0x80 /* Control Register 1 */
+#define UCR2  0x84 /* Control Register 2 */
+#define UCR3  0x88 /* Control Register 3 */
+#define UCR4  0x8c /* Control Register 4 */
+#define UFCR  0x90 /* FIFO Control Register */
+#define USR1  0x94 /* Status Register 1 */
+#define USR2  0x98 /* Status Register 2 */
+#define UESC  0x9c /* Escape Character Register */
+#define UTIM  0xa0 /* Escape Timer Register */
+#define UBIR  0xa4 /* BRM Incremental Register */
+#define UBMR  0xa8 /* BRM Modulator Register */
+#define UBRC  0xac /* Baud Rate Count Register */
+#define UTS   0xb4 /* UART Test Register (mx31) */
+
+/* UART Control Register Bit Fields.*/
+#define  URXD_CHARRDY    (1<<15)
+#define  URXD_ERR        (1<<14)
+#define  URXD_OVRRUN     (1<<13)
+#define  URXD_FRMERR     (1<<12)
+#define  URXD_BRK        (1<<11)
+#define  URXD_PRERR      (1<<10)
+#define  URXD_RX_DATA    (0xFF)
+#define  UCR1_ADEN       (1<<15) /* Auto dectect interrupt */
+#define  UCR1_ADBR       (1<<14) /* Auto detect baud rate */
+#define  UCR1_TRDYEN     (1<<13) /* Transmitter ready interrupt enable */
+#define  UCR1_IDEN       (1<<12) /* Idle condition interrupt */
+#define  UCR1_RRDYEN     (1<<9)	 /* Recv ready interrupt enable */
+#define  UCR1_RDMAEN     (1<<8)	 /* Recv ready DMA enable */
+#define  UCR1_IREN       (1<<7)	 /* Infrared interface enable */
+#define  UCR1_TXMPTYEN   (1<<6)	 /* Transimitter empty interrupt enable */
+#define  UCR1_RTSDEN     (1<<5)	 /* RTS delta interrupt enable */
+#define  UCR1_SNDBRK     (1<<4)	 /* Send break */
+#define  UCR1_TDMAEN     (1<<3)	 /* Transmitter ready DMA enable */
+#define  UCR1_UARTCLKEN  (1<<2)	 /* UART clock enabled */
+#define  UCR1_DOZE       (1<<1)	 /* Doze */
+#define  UCR1_UARTEN     (1<<0)	 /* UART enabled */
+#define  UCR2_ESCI	 (1<<15) /* Escape seq interrupt enable */
+#define  UCR2_IRTS	 (1<<14) /* Ignore RTS pin */
+#define  UCR2_CTSC	 (1<<13) /* CTS pin control */
+#define  UCR2_CTS        (1<<12) /* Clear to send */
+#define  UCR2_ESCEN      (1<<11) /* Escape enable */
+#define  UCR2_PREN       (1<<8)  /* Parity enable */
+#define  UCR2_PROE       (1<<7)  /* Parity odd/even */
+#define  UCR2_STPB       (1<<6)	 /* Stop */
+#define  UCR2_WS         (1<<5)	 /* Word size */
+#define  UCR2_RTSEN      (1<<4)	 /* Request to send interrupt enable */
+#define  UCR2_TXEN       (1<<2)	 /* Transmitter enabled */
+#define  UCR2_RXEN       (1<<1)	 /* Receiver enabled */
+#define  UCR2_SRST	 (1<<0)	 /* SW reset */
+#define  UCR3_DTREN	 (1<<13) /* DTR interrupt enable */
+#define  UCR3_PARERREN   (1<<12) /* Parity enable */
+#define  UCR3_FRAERREN   (1<<11) /* Frame error interrupt enable */
+#define  UCR3_DSR        (1<<10) /* Data set ready */
+#define  UCR3_DCD        (1<<9)  /* Data carrier detect */
+#define  UCR3_RI         (1<<8)  /* Ring indicator */
+#define  UCR3_TIMEOUTEN  (1<<7)  /* Timeout interrupt enable */
+#define  UCR3_RXDSEN	 (1<<6)  /* Receive status interrupt enable */
+#define  UCR3_AIRINTEN   (1<<5)  /* Async IR wake interrupt enable */
+#define  UCR3_AWAKEN	 (1<<4)  /* Async wake interrupt enable */
+#define  UCR3_REF25	 (1<<3)  /* Ref freq 25 MHz */
+#define  UCR3_REF30	 (1<<2)  /* Ref Freq 30 MHz */
+#define  UCR3_INVT	 (1<<1)  /* Inverted Infrared transmission */
+#define  UCR3_BPEN	 (1<<0)  /* Preset registers enable */
+#define  UCR4_CTSTL_32   (32<<10) /* CTS trigger level (32 chars) */
+#define  UCR4_INVR	 (1<<9)  /* Inverted infrared reception */
+#define  UCR4_ENIRI	 (1<<8)  /* Serial infrared interrupt enable */
+#define  UCR4_WKEN	 (1<<7)  /* Wake interrupt enable */
+#define  UCR4_REF16	 (1<<6)  /* Ref freq 16 MHz */
+#define  UCR4_IRSC	 (1<<5)  /* IR special case */
+#define  UCR4_TCEN	 (1<<3)  /* Transmit complete interrupt enable */
+#define  UCR4_BKEN	 (1<<2)  /* Break condition interrupt enable */
+#define  UCR4_OREN	 (1<<1)  /* Receiver overrun interrupt enable */
+#define  UCR4_DREN	 (1<<0)  /* Recv data ready interrupt enable */
+#define  UFCR_RXTL_SHF   0       /* Receiver trigger level shift */
+#define  UFCR_RFDIV      (7<<7)  /* Reference freq divider mask */
+#define  UFCR_TXTL_SHF   10      /* Transmitter trigger level shift */
+#define  USR1_PARITYERR  (1<<15) /* Parity error interrupt flag */
+#define  USR1_RTSS	 (1<<14) /* RTS pin status */
+#define  USR1_TRDY	 (1<<13) /* Transmitter ready interrupt/dma flag */
+#define  USR1_RTSD	 (1<<12) /* RTS delta */
+#define  USR1_ESCF	 (1<<11) /* Escape seq interrupt flag */
+#define  USR1_FRAMERR    (1<<10) /* Frame error interrupt flag */
+#define  USR1_RRDY       (1<<9)	 /* Receiver ready interrupt/dma flag */
+#define  USR1_TIMEOUT    (1<<7)	 /* Receive timeout interrupt status */
+#define  USR1_RXDS	 (1<<6)	 /* Receiver idle interrupt flag */
+#define  USR1_AIRINT	 (1<<5)	 /* Async IR wake interrupt flag */
+#define  USR1_AWAKE	 (1<<4)	 /* Aysnc wake interrupt flag */
+#define  USR2_ADET	 (1<<15) /* Auto baud rate detect complete */
+#define  USR2_TXFE	 (1<<14) /* Transmit buffer FIFO empty */
+#define  USR2_DTRF	 (1<<13) /* DTR edge interrupt flag */
+#define  USR2_IDLE	 (1<<12) /* Idle condition */
+#define  USR2_IRINT	 (1<<8)	 /* Serial infrared interrupt flag */
+#define  USR2_WAKE	 (1<<7)	 /* Wake */
+#define  USR2_RTSF	 (1<<4)	 /* RTS edge interrupt flag */
+#define  USR2_TXDC	 (1<<3)	 /* Transmitter complete */
+#define  USR2_BRCD	 (1<<2)	 /* Break condition */
+#define  USR2_ORE        (1<<1)	 /* Overrun error */
+#define  USR2_RDR        (1<<0)	 /* Recv data ready */
+#define  UTS_FRCPERR	 (1<<13) /* Force parity error */
+#define  UTS_LOOP        (1<<12) /* Loop tx and rx */
+#define  UTS_TXEMPTY	 (1<<6)	 /* TxFIFO empty */
+#define  UTS_RXEMPTY	 (1<<5)	 /* RxFIFO empty */
+#define  UTS_TXFULL	 (1<<4)	 /* TxFIFO full */
+#define  UTS_RXFULL	 (1<<3)	 /* RxFIFO full */
+#define  UTS_SOFTRST	 (1<<0)	 /* Software reset */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	u32 clk = mx31_get_ipg_clk();
+
+	if (!gd->baudrate)
+		gd->baudrate = CONFIG_BAUDRATE;
+
+	__REG(UART_PHYS + UFCR) = 4 << 7; /* divide input clock by 2 */
+	__REG(UART_PHYS + UBIR) = 0xf;
+	__REG(UART_PHYS + UBMR) = clk / (2 * gd->baudrate);
+
+}
+
+int serial_getc (void)
+{
+	while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
+	return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */
+}
+
+void serial_putc (const char c)
+{
+	__REG(UART_PHYS + UTXD) = c;
+
+	/* wait for transmitter to be ready */
+	while(!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY));
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+}
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int serial_tstc (void)
+{
+	/* If receive fifo is empty, return false */
+	if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
+		return 0;
+	return 1;
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+	__REG(UART_PHYS + UCR1) = 0x0;
+	__REG(UART_PHYS + UCR2) = 0x0;
+
+	while (!(__REG(UART_PHYS + UCR2) & UCR2_SRST));
+
+	__REG(UART_PHYS + UCR3) = 0x0704;
+	__REG(UART_PHYS + UCR4) = 0x8000;
+	__REG(UART_PHYS + UESC) = 0x002b;
+	__REG(UART_PHYS + UTIM) = 0x0;
+
+	__REG(UART_PHYS + UTS) = 0x0;
+
+	serial_setbrg();
+
+	__REG(UART_PHYS + UCR2) = UCR2_WS | UCR2_IRTS | UCR2_RXEN | UCR2_TXEN | UCR2_SRST;
+
+	__REG(UART_PHYS + UCR1) = UCR1_UARTEN;
+
+	return 0;
+}
diff --git a/drivers/serial/serial_netarm.c b/drivers/serial/serial_netarm.c
new file mode 100644
index 0000000000..2eb5393404
--- /dev/null
+++ b/drivers/serial/serial_netarm.c
@@ -0,0 +1,195 @@
+/*
+ * Serial Port stuff - taken from Linux
+ *
+ * (C) Copyright 2002
+ * MAZeT GmbH <www.mazet.de>
+ * Stephan Linz <linz@mazet.de>, <linz@li-pro.net>
+ *
+ * (c) 2004
+ * IMMS gGmbH <www.imms.de>
+ * Thomas Elste <info@elste.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <asm/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PORTA	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA))
+#if !defined(CONFIG_NETARM_NS7520)
+#define PORTB	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB))
+#else
+#define PORTC	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC))
+#endif
+
+/* wait until transmitter is ready for another character */
+#define TXWAITRDY(registers)							\
+{										\
+	ulong tmo = get_timer(0) + 1 * CONFIG_SYS_HZ;					\
+	while (((registers)->status_a & NETARM_SER_STATA_TX_RDY) == 0 )	{	\
+		if (get_timer(0) > tmo)						\
+			break;							\
+	}									\
+}
+
+
+#ifndef CONFIG_UART1_CONSOLE
+volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0);
+volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1);
+#else
+volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1);
+volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0);
+#endif
+
+extern void _netarm_led_FAIL1(void);
+
+/*
+ * Setup both serial i/f with given baudrate
+ */
+void serial_setbrg (void)
+{
+	/* set 0 ... make sure pins are configured for serial */
+#if !defined(CONFIG_NETARM_NS7520)
+	PORTA = PORTB =
+		NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#else
+	PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+	PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#endif
+
+	/* first turn em off */
+	serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0;
+
+	/* clear match register, we don't need it */
+	serial_reg_ch1->rx_match = serial_reg_ch2->rx_match = 0;
+
+	/* setup bit rate generator and rx buffer gap timer (1 byte only) */
+	if ((gd->baudrate >= MIN_BAUD_RATE)
+	    && (gd->baudrate <= MAX_BAUD_RATE)) {
+		serial_reg_ch1->bitrate = serial_reg_ch2->bitrate =
+			NETARM_SER_BR_X16 (gd->baudrate);
+		serial_reg_ch1->rx_buf_timer = serial_reg_ch2->rx_buf_timer =
+			0;
+		serial_reg_ch1->rx_char_timer = serial_reg_ch2->rx_char_timer =
+			NETARM_SER_RXGAP (gd->baudrate);
+	} else {
+		hang ();
+	}
+
+	/* setup port mode */
+	serial_reg_ch1->ctrl_b = serial_reg_ch2->ctrl_b =
+		( NETARM_SER_CTLB_RCGT_EN |
+		  NETARM_SER_CTLB_UART_MODE);
+	serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a =
+		( NETARM_SER_CTLA_ENABLE |
+		  NETARM_SER_CTLA_P_NONE |
+		  /* see errata */
+		  NETARM_SER_CTLA_2STOP |
+		  NETARM_SER_CTLA_8BITS |
+		  NETARM_SER_CTLA_DTR_EN |
+		  NETARM_SER_CTLA_RTS_EN);
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ */
+int serial_init (void)
+{
+	serial_setbrg ();
+	return 0;
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+	volatile unsigned char *fifo;
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+
+	fifo = (volatile unsigned char *) &(serial_reg_ch1->fifo);
+	TXWAITRDY (serial_reg_ch1);
+	*fifo = c;
+}
+
+/*
+ * Test of a single byte from the serial port. Returns 1 on success, 0
+ * otherwise.
+ */
+int serial_tstc(void)
+{
+	return serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY;
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise.
+ */
+int serial_getc (void)
+{
+	unsigned int ch_uint;
+	volatile unsigned int *fifo;
+	volatile unsigned char *fifo_char = NULL;
+	int buf_count = 0;
+
+	while (!(serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY))
+		/* NOP */ ;
+
+	fifo = (volatile unsigned int *) &(serial_reg_ch1->fifo);
+	fifo_char = (unsigned char *) &ch_uint;
+	ch_uint = *fifo;
+
+	buf_count = NETARM_SER_STATA_RXFDB (serial_reg_ch1->status_a);
+	switch (buf_count) {
+	case NETARM_SER_STATA_RXFDB_4BYTES:
+		buf_count = 4;
+		break;
+	case NETARM_SER_STATA_RXFDB_3BYTES:
+		buf_count = 3;
+		break;
+	case NETARM_SER_STATA_RXFDB_2BYTES:
+		buf_count = 2;
+		break;
+	case NETARM_SER_STATA_RXFDB_1BYTES:
+		buf_count = 1;
+		break;
+	default:
+		/* panic, be never here */
+		break;
+	}
+
+	serial_reg_ch1->status_a |= NETARM_SER_STATA_RX_CLOSED;
+
+	return ch_uint & 0xff;
+}
+
+void serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
new file mode 100644
index 0000000000..1b1b7a612e
--- /dev/null
+++ b/drivers/serial/serial_s3c24x0.c
@@ -0,0 +1,300 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB)
+#include <s3c2400.h>
+#elif defined(CONFIG_S3C2410)
+#include <s3c2410.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SERIAL1
+#define UART_NR	S3C24X0_UART0
+
+#elif defined(CONFIG_SERIAL2)
+# if defined(CONFIG_TRAB)
+#  error "TRAB supports only CONFIG_SERIAL1"
+# endif
+#define UART_NR	S3C24X0_UART1
+
+#elif defined(CONFIG_SERIAL3)
+# if defined(CONFIG_TRAB)
+#  #error "TRAB supports only CONFIG_SERIAL1"
+# endif
+#define UART_NR	S3C24X0_UART2
+
+#else
+#error "Bad: you didn't configure serial ..."
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+#include <serial.h>
+
+/* Multi serial device functions */
+#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
+    int  s3serial##port##_init (void) {\
+	return serial_init_dev(port);}\
+    void s3serial##port##_setbrg (void) {\
+	serial_setbrg_dev(port);}\
+    int  s3serial##port##_getc (void) {\
+	return serial_getc_dev(port);}\
+    int  s3serial##port##_tstc (void) {\
+	return serial_tstc_dev(port);}\
+    void s3serial##port##_putc (const char c) {\
+	serial_putc_dev(port, c);}\
+    void s3serial##port##_puts (const char *s) {\
+	serial_puts_dev(port, s);}
+
+#define INIT_S3C_SERIAL_STRUCTURE(port,name,bus) {\
+	name,\
+	bus,\
+	s3serial##port##_init,\
+	s3serial##port##_setbrg,\
+	s3serial##port##_getc,\
+	s3serial##port##_tstc,\
+	s3serial##port##_putc,\
+	s3serial##port##_puts, }
+
+#endif /* CONFIG_SERIAL_MULTI */
+
+void _serial_setbrg(const int dev_index)
+{
+	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	unsigned int reg = 0;
+	int i;
+
+	/* value is calculated so : (int)(PCLK/16./baudrate) -1 */
+	reg = get_PCLK() / (16 * gd->baudrate) - 1;
+
+	uart->UBRDIV = reg;
+	for (i = 0; i < 100; i++);
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void
+serial_setbrg_dev(unsigned int dev_index)
+{
+	_serial_setbrg(dev_index);
+}
+#else
+void serial_setbrg(void)
+{
+	_serial_setbrg(UART_NR);
+}
+#endif
+
+
+/* Initialise the serial port. The settings are always 8 data bits, no parity,
+ * 1 stop bit, no start bits.
+ */
+static int serial_init_dev(const int dev_index)
+{
+	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+	/* FIFO enable, Tx/Rx FIFO clear */
+	uart->UFCON = 0x07;
+	uart->UMCON = 0x0;
+
+	/* Normal,No parity,1 stop,8 bit */
+	uart->ULCON = 0x3;
+	/*
+	 * tx=level,rx=edge,disable timeout int.,enable rx error int.,
+	 * normal,interrupt or polling
+	 */
+	uart->UCON = 0x245;
+
+#ifdef CONFIG_HWFLOW
+	uart->UMCON = 0x1; /* RTS up */
+#endif
+
+	/* FIXME: This is sooooooooooooooooooo ugly */
+#if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
+	/* we need auto hw flow control on the gsm and gps port */
+	if (dev_index == 0 || dev_index == 1)
+		uart->UMCON = 0x10;
+#endif
+	_serial_setbrg(dev_index);
+
+	return (0);
+}
+
+#if !defined(CONFIG_SERIAL_MULTI)
+/* Initialise the serial port. The settings are always 8 data bits, no parity,
+ * 1 stop bit, no start bits.
+ */
+int serial_init (void)
+{
+	return serial_init_dev(UART_NR);
+}
+#endif
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int _serial_getc (const int dev_index)
+{
+	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+	/* wait for character to arrive */
+	while (!(uart->UTRSTAT & 0x1));
+
+	return uart->URXH & 0xff;
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline int serial_getc_dev(unsigned int dev_index)
+{
+	return _serial_getc(dev_index);
+}
+#else
+int serial_getc (void)
+{
+	return _serial_getc(UART_NR);
+}
+#endif
+
+#ifdef CONFIG_HWFLOW
+static int hwflow = 0; /* turned off by default */
+int hwflow_onoff(int on)
+{
+	switch(on) {
+	case 0:
+	default:
+		break; /* return current */
+	case 1:
+		hwflow = 1; /* turn on */
+		break;
+	case -1:
+		hwflow = 0; /* turn off */
+		break;
+	}
+	return hwflow;
+}
+#endif
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int be_quiet = 0;
+void disable_putc(void)
+{
+	be_quiet = 1;
+}
+
+void enable_putc(void)
+{
+	be_quiet = 0;
+}
+#endif
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void _serial_putc (const char c, const int dev_index)
+{
+	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+#ifdef CONFIG_MODEM_SUPPORT
+	if (be_quiet)
+		return;
+#endif
+
+	/* wait for room in the tx FIFO */
+	while (!(uart->UTRSTAT & 0x2));
+
+#ifdef CONFIG_HWFLOW
+	/* Wait for CTS up */
+	while(hwflow && !(uart->UMSTAT & 0x1))
+		;
+#endif
+
+	uart->UTXH = c;
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void serial_putc_dev(unsigned int dev_index, const char c)
+{
+	_serial_putc(c, dev_index);
+}
+#else
+void serial_putc(const char c)
+{
+	_serial_putc(c, UART_NR);
+}
+#endif
+
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int _serial_tstc(const int dev_index)
+{
+	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+	return uart->UTRSTAT & 0x1;
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline int
+serial_tstc_dev(unsigned int dev_index)
+{
+	return _serial_tstc(dev_index);
+}
+#else
+int serial_tstc(void)
+{
+	return _serial_tstc(UART_NR);
+}
+#endif
+
+void _serial_puts(const char *s, const int dev_index)
+{
+	while (*s) {
+		_serial_putc (*s++, dev_index);
+	}
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void
+serial_puts_dev(int dev_index, const char *s)
+{
+	_serial_puts(s, dev_index);
+}
+#else
+void
+serial_puts (const char *s)
+{
+	_serial_puts(s, UART_NR);
+}
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+DECLARE_S3C_SERIAL_FUNCTIONS(0);
+struct serial_device s3c24xx_serial0_device =
+	INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
+DECLARE_S3C_SERIAL_FUNCTIONS(1);
+struct serial_device s3c24xx_serial1_device =
+	INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
+DECLARE_S3C_SERIAL_FUNCTIONS(2);
+struct serial_device s3c24xx_serial2_device =
+	INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
+
+#endif /* CONFIG_SERIAL_MULTI */
diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c
new file mode 100644
index 0000000000..95d0266c6c
--- /dev/null
+++ b/drivers/serial/serial_s3c44b0.c
@@ -0,0 +1,218 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <asm/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* flush serial input queue. returns 0 on success or negative error
+ * number otherwise
+ */
+static int serial_flush_input(void)
+{
+	volatile u32 tmp;
+
+	/* keep on reading as long as the receiver is not empty */
+	while(UTRSTAT0&0x01) {
+		tmp = REGB(URXH0);
+	}
+
+	return 0;
+}
+
+
+/* flush output queue. returns 0 on success or negative error number
+ * otherwise
+ */
+static int serial_flush_output(void)
+{
+	/* wait until the transmitter is no longer busy */
+	while(!(UTRSTAT0 & 0x02)) {
+	}
+
+	return 0;
+}
+
+
+void serial_setbrg (void)
+{
+	u32 divisor = 0;
+
+	/* get correct divisor */
+	switch(gd->baudrate) {
+
+	case 1200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 3124;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 3905;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+		break;
+
+	case 9600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 390;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 487;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+		break;
+
+	case 19200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 194;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 243;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+		break;
+
+	case 38400:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 97;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 121;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif	/* break; */
+
+	case 57600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 64;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 80;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif	/* break; */
+
+	case 115200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+		divisor = 32;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+		divisor = 40;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif	/* break; */
+	}
+
+	serial_flush_output();
+	serial_flush_input();
+	UFCON0 = 0x0;
+	ULCON0 = 0x03;
+	UCON0 = 0x05;
+	UBRDIV0 = divisor;
+
+	UFCON1 = 0x0;
+	ULCON1 = 0x03;
+	UCON1 = 0x05;
+	UBRDIV1 = divisor;
+
+	for(divisor=0; divisor<100; divisor++) {
+		/* NOP */
+	}
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+	serial_setbrg ();
+
+	return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+	/* wait for room in the transmit FIFO */
+	while(!(UTRSTAT0 & 0x02));
+
+	UTXH0 = (unsigned char)c;
+
+	/*
+		to be polite with serial console add a line feed
+		to the carriage return character
+	*/
+	if (c=='\n')
+		serial_putc('\r');
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+	return (UTRSTAT0 & 0x01);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+	int rv;
+
+	for(;;) {
+		rv = serial_tstc();
+
+		if(rv > 0)
+			return URXH0;
+	}
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
diff --git a/drivers/serial/serial_sa1100.c b/drivers/serial/serial_sa1100.c
new file mode 100644
index 0000000000..5d1887580d
--- /dev/null
+++ b/drivers/serial/serial_sa1100.c
@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <SA-1100.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	unsigned int reg = 0;
+
+	if (gd->baudrate == 1200)
+		reg = 191;
+	else if (gd->baudrate == 9600)
+		reg = 23;
+	else if (gd->baudrate == 19200)
+		reg = 11;
+	else if (gd->baudrate == 38400)
+		reg = 5;
+	else if (gd->baudrate == 57600)
+		reg = 3;
+	else if (gd->baudrate == 115200)
+		reg = 1;
+	else
+		hang ();
+
+#ifdef CONFIG_SERIAL1
+	/* SA1110 uart function */
+	Ser1SDCR0 |= SDCR0_SUS;
+
+	/* Wait until port is ready ... */
+	while(Ser1UTSR1 & UTSR1_TBY) {}
+
+	/* init serial serial 1 */
+	Ser1UTCR3 = 0x00;
+	Ser1UTSR0 = 0xff;
+	Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData );
+	Ser1UTCR1 = 0;
+	Ser1UTCR2 = (u32)reg;
+	Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE );
+#elif defined(CONFIG_SERIAL3)
+	/* Wait until port is ready ... */
+	while (Ser3UTSR1 & UTSR1_TBY) {
+	}
+
+	/* init serial serial 3 */
+	Ser3UTCR3 = 0x00;
+	Ser3UTSR0 = 0xff;
+	Ser3UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData);
+	Ser3UTCR1 = 0;
+	Ser3UTCR2 = (u32) reg;
+	Ser3UTCR3 = (UTCR3_RXE | UTCR3_TXE);
+#else
+#error "Bad: you didn't configured serial ..."
+#endif
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+	serial_setbrg ();
+
+	return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+#ifdef CONFIG_SERIAL1
+	/* wait for room in the tx FIFO on SERIAL1 */
+	while ((Ser1UTSR0 & UTSR0_TFS) == 0);
+
+	Ser1UTDR = c;
+#elif defined(CONFIG_SERIAL3)
+	/* wait for room in the tx FIFO on SERIAL3 */
+	while ((Ser3UTSR0 & UTSR0_TFS) == 0);
+
+	Ser3UTDR = c;
+#endif
+
+	/* If \n, also do \r */
+	if (c == '\n')
+		serial_putc ('\r');
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+#ifdef CONFIG_SERIAL1
+	return Ser1UTSR1 & UTSR1_RNE;
+#elif defined(CONFIG_SERIAL3)
+	return Ser3UTSR1 & UTSR1_RNE;
+#endif
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+#ifdef CONFIG_SERIAL1
+	while (!(Ser1UTSR1 & UTSR1_RNE));
+
+	return (char) Ser1UTDR & 0xff;
+#elif defined(CONFIG_SERIAL3)
+	while (!(Ser3UTSR1 & UTSR1_RNE));
+
+	return (char) Ser3UTDR & 0xff;
+#endif
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}