s3c44b0: move serial driver to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/s3c44b0/Makefile b/cpu/s3c44b0/Makefile
index 790faeb..fd696f7 100644
--- a/cpu/s3c44b0/Makefile
+++ b/cpu/s3c44b0/Makefile
@@ -26,7 +26,7 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= serial.o interrupts.o cpu.o
+COBJS	= interrupts.o cpu.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/s3c44b0/serial.c b/cpu/s3c44b0/serial.c
deleted file mode 100644
index 95d0266..0000000
--- a/cpu/s3c44b0/serial.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * (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++);
-	}
-}