Delete old brcm63xx files

SVN-Revision: 13210

1 files changed, 0 insertions, 1041 deletions

diff --git a/target/linux/brcm63xx/files/drivers/serial/bcm63xx_cons.c b/target/linux/brcm63xx/files/drivers/serial/bcm63xx_cons.c
deleted file mode 100644
index 8fff16d..0000000
--- a/target/linux/brcm63xx/files/drivers/serial/bcm63xx_cons.c
+++ /dev/null
@@ -1,1041 +0,0 @@
-/*
-<:copyright-gpl 
- Copyright 2002 Broadcom Corp. All Rights Reserved. 
- 
- This program is free software; you can distribute it and/or modify it 
- under the terms of the GNU General Public License (Version 2) as 
- published by the Free Software Foundation. 
- 
- This program is distributed in the hope 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. 
-:>
-*/
-
-/* Description: Serial port driver for the BCM963XX. */
-
-#define CARDNAME    "bcm963xx_serial driver"
-#define VERSION     "2.0"
-#define VER_STR     CARDNAME " v" VERSION "\n"
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/version.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-
-/* for definition of struct console */
-#include <linux/console.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
-#include <asm/uaccess.h>
-
-#include <bcmtypes.h>
-#include <board.h>
-#include <bcm_map_part.h>
-#include <bcm_intr.h>
-#include <6348_map_part.h>
-#include <6348_intr.h>
-
-static DEFINE_SPINLOCK(bcm963xx_serial_lock);
-
-extern void _putc(char);
-extern void _puts(const char *);
-
-typedef struct bcm_serial {
-	volatile Uart *port;
-	int type;
-	int flags;
-	int irq;
-	int baud_base;
-	int blocked_open;
-	unsigned short close_delay;
-	unsigned short closing_wait;
-	unsigned short line;	/* port/line number */
-	unsigned short cflags;	/* line configuration flag */
-	unsigned short x_char;	/* xon/xoff character */
-	unsigned short read_status_mask;	/* mask for read condition */
-	unsigned short ignore_status_mask;	/* mask for ignore condition */
-	unsigned long event;	/* mask used in BH */
-	int xmit_head;		/* Position of the head */
-	int xmit_tail;		/* Position of the tail */
-	int xmit_cnt;		/* Count of the chars in the buffer */
-	int count;		/* indicates how many times it has been opened */
-	int magic;
-
-	struct async_icount icount;	/* keep track of things ... */
-	struct tty_struct *tty;	/* tty associated */
-	struct ktermios normal_termios;
-
-	wait_queue_head_t open_wait;
-	wait_queue_head_t close_wait;
-
-	long session;		/* Session of opening process */
-	long pgrp;		/* pgrp of opening process */
-
-	unsigned char is_initialized;
-} Context;
-
-
-/*---------------------------------------------------------------------*/
-/* Define bits in the Interrupt Enable register                        */
-/*---------------------------------------------------------------------*/
-/* Enable receive interrupt              */
-#define RXINT   (RXFIFONE|RXOVFERR)
-
-/* Enable transmit interrupt             */
-#define TXINT    (TXFIFOEMT|TXUNDERR|TXOVFERR)
-
-/* Enable receiver line status interrupt */
-#define LSINT    (RXBRK|RXPARERR|RXFRAMERR)
-
-#define BCM_NUM_UARTS                   1
-
-#define BD_BCM63XX_TIMER_CLOCK_INPUT    (FPERIPH)
-
-
-static struct bcm_serial multi[BCM_NUM_UARTS];
-static struct bcm_serial *lines[BCM_NUM_UARTS];
-static struct tty_driver *serial_driver;
-static struct ktermios *serial_termios[BCM_NUM_UARTS];
-static struct ktermios *serial_termios_locked[BCM_NUM_UARTS];
-
-
-static void bcm_stop(struct tty_struct *tty);
-static void bcm_start(struct tty_struct *tty);
-static inline void receive_chars(struct bcm_serial *info);
-static int startup(struct bcm_serial *info);
-static void shutdown(struct bcm_serial *info);
-static void change_speed(volatile Uart * pUart, tcflag_t cFlag);
-static void bcm63xx_cons_flush_chars(struct tty_struct *tty);
-static int bcm63xx_cons_write(struct tty_struct *tty,
-			      const unsigned char *buf, int count);
-static int bcm63xx_cons_write_room(struct tty_struct *tty);
-static int bcm_chars_in_buffer(struct tty_struct *tty);
-static void bcm_flush_buffer(struct tty_struct *tty);
-static void bcm_throttle(struct tty_struct *tty);
-static void bcm_unthrottle(struct tty_struct *tty);
-static void bcm_send_xchar(struct tty_struct *tty, char ch);
-static int get_serial_info(struct bcm_serial *info,
-			   struct serial_struct *retinfo);
-static int set_serial_info(struct bcm_serial *info,
-			   struct serial_struct *new_info);
-static int get_lsr_info(struct bcm_serial *info, unsigned int *value);
-static void send_break(struct bcm_serial *info, int duration);
-static int bcm_ioctl(struct tty_struct *tty, struct file *file,
-		     unsigned int cmd, unsigned long arg);
-static void bcm_set_termios(struct tty_struct *tty,
-			    struct ktermios *old_termios);
-static void bcm63xx_cons_close(struct tty_struct *tty, struct file *filp);
-static void bcm_hangup(struct tty_struct *tty);
-static int block_til_ready(struct tty_struct *tty, struct file *filp,
-			   struct bcm_serial *info);
-static int bcm63xx_cons_open(struct tty_struct *tty, struct file *filp);
-static int __init bcm63xx_serialinit(void);
-
-
-/*
- * ------------------------------------------------------------
- * rs_stop () and rs_start ()
- *
- * These routines are called before setting or resetting 
- * tty->stopped. They enable or disable transmitter interrupts, 
- * as necessary.
- * ------------------------------------------------------------
- */
-static void bcm_stop(struct tty_struct *tty)
-{
-}
-
-static void bcm_start(struct tty_struct *tty)
-{
-	_puts(CARDNAME " Start\n");
-}
-
-/*
- * ------------------------------------------------------------
- * receive_char ()
- *
- * This routine deals with inputs from any lines.
- * ------------------------------------------------------------
- */
-static inline void receive_chars(struct bcm_serial *info)
-{
-	struct tty_struct *tty = 0;
-	struct async_icount *icount;
-	int ignore = 0;
-	unsigned short status, tmp;
-	UCHAR ch = 0;
-	while ((status = info->port->intStatus) & RXINT) {
-		char flag_char = TTY_NORMAL;
-
-		if (status & RXFIFONE)
-			ch = info->port->Data;	// Read the character
-		tty = info->tty;	/* now tty points to the proper dev */
-		icount = &info->icount;
-		if (!tty)
-			break;
-		if (!tty_buffer_request_room(tty, 1))
-			break;
-		icount->rx++;
-		if (status & RXBRK) {
-			flag_char = TTY_BREAK;
-			icount->brk++;
-		}
-		// keep track of the statistics
-		if (status & (RXFRAMERR | RXPARERR | RXOVFERR)) {
-			if (status & RXPARERR)	/* parity error */
-				icount->parity++;
-			else if (status & RXFRAMERR)	/* frame error */
-				icount->frame++;
-			if (status & RXOVFERR) {
-				// Overflow. Reset the RX FIFO
-				info->port->fifoctl |= RSTRXFIFOS;
-				icount->overrun++;
-			}
-			// check to see if we should ignore the character
-			// and mask off conditions that should be ignored
-			if (status & info->ignore_status_mask) {
-				if (++ignore > 100)
-					break;
-				goto ignore_char;
-			}
-			// Mask off the error conditions we want to ignore
-			tmp = status & info->read_status_mask;
-			if (tmp & RXPARERR) {
-				flag_char = TTY_PARITY;
-			} else if (tmp & RXFRAMERR) {
-				flag_char = TTY_FRAME;
-			}
-			if (tmp & RXOVFERR) {
-				tty_insert_flip_char(tty, ch, flag_char);
-				ch = 0;
-				flag_char = TTY_OVERRUN;
-				if (!tty_buffer_request_room(tty, 1))
-					break;
-			}
-		}
-		tty_insert_flip_char(tty, ch, flag_char);
-	}
-      ignore_char:;
-	tty_flip_buffer_push(tty);
-	tty_schedule_flip(tty);
-
-}
-
-
-/*
- * ------------------------------------------------------------
- * bcm_interrupt ()
- *
- * this is the main interrupt routine for the chip.
- * It deals with the multiple ports.
- * ------------------------------------------------------------
- */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-static irqreturn_t bcm_interrupt(int irq, void *dev)
-#else
-static void bcm_interrupt(int irq, void *dev, struct pt_regs *regs)
-#endif
-{
-	struct bcm_serial *info = lines[0];
-	UINT16 intStat;
-
-	/* get pending interrupt flags from UART  */
-
-	/* Mask with only the serial interrupts that are enabled */
-	intStat = info->port->intStatus & info->port->intMask;
-	while (intStat) {
-		if (intStat & RXINT)
-			receive_chars(info);
-		else if (intStat & TXINT)
-			info->port->intStatus = TXINT;
-		else		/* don't know what it was, so let's mask it */
-			info->port->intMask &= ~intStat;
-
-		intStat = info->port->intStatus & info->port->intMask;
-	}
-
-	// Clear the interrupt
-	enable_brcm_irq(INTERRUPT_ID_UART);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-	return IRQ_HANDLED;
-#endif
-}
-
-/*
- * -------------------------------------------------------------------
- * startup ()
- *
- * various initialization tasks
- * ------------------------------------------------------------------- 
- */
-static int startup(struct bcm_serial *info)
-{
-	// Port is already started...
-	return 0;
-}
-
-/* 
- * -------------------------------------------------------------------
- * shutdown ()
- *
- * This routine will shutdown a serial port; interrupts are disabled, and
- * DTR is dropped if the hangup on close termio flag is on.
- * ------------------------------------------------------------------- 
- */
-static void shutdown(struct bcm_serial *info)
-{
-	unsigned long flags;
-	if (!info->is_initialized)
-		return;
-
-	spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
-	info->port->control &= ~(BRGEN | TXEN | RXEN);
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-	info->is_initialized = 0;
-
-	spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-}
-
-/* 
- * -------------------------------------------------------------------
- * change_speed ()
- *
- * Set the baud rate, character size, parity and stop bits.
- * ------------------------------------------------------------------- 
- */
-static void change_speed(volatile Uart * pUart, tcflag_t cFlag)
-{
-	unsigned long ulFlags, ulBaud, ulClockFreqHz, ulTmp;
-
-	spin_lock_irqsave(&bcm963xx_serial_lock, ulFlags);
-	switch (cFlag & (CBAUD | CBAUDEX)) {
-	case B115200:
-		ulBaud = 115200;
-		break;
-	case B57600:
-		ulBaud = 57600;
-		break;
-	case B38400:
-		ulBaud = 38400;
-		break;
-	case B19200:
-		ulBaud = 19200;
-		break;
-	case B9600:
-		ulBaud = 9600;
-		break;
-	case B4800:
-		ulBaud = 4800;
-		break;
-	case B2400:
-		ulBaud = 2400;
-		break;
-	case B1800:
-		ulBaud = 1800;
-		break;
-	case B1200:
-		ulBaud = 1200;
-		break;
-	case B600:
-		ulBaud = 600;
-		break;
-	case B300:
-		ulBaud = 300;
-		break;
-	case B200:
-		ulBaud = 200;
-		break;
-	case B150:
-		ulBaud = 150;
-		break;
-	case B134:
-		ulBaud = 134;
-		break;
-	case B110:
-		ulBaud = 110;
-		break;
-	case B75:
-		ulBaud = 75;
-		break;
-	case B50:
-		ulBaud = 50;
-		break;
-	default:
-		ulBaud = 115200;
-		break;
-	}
-
-	/* Calculate buad rate.  */
-	ulClockFreqHz = BD_BCM63XX_TIMER_CLOCK_INPUT;
-	ulTmp = (ulClockFreqHz / ulBaud) / 16;
-	if (ulTmp & 0x01)
-		ulTmp /= 2;	/* Rounding up, so sub is already accounted for */
-	else
-		ulTmp = (ulTmp / 2) - 1;	/* Rounding down so we must sub 1 */
-	pUart->baudword = ulTmp;
-
-	/* Set character size, stop bits and parity.  */
-	switch (cFlag & CSIZE) {
-	case CS5:
-		ulTmp = BITS5SYM;	/* select transmit 5 bit data size */
-		break;
-	case CS6:
-		ulTmp = BITS6SYM;	/* select transmit 6 bit data size */
-		break;
-	case CS7:
-		ulTmp = BITS7SYM;	/* select transmit 7 bit data size */
-		break;
-	default:
-		ulTmp = BITS8SYM;	/* select transmit 8 bit data size */
-		break;
-	}
-	if (cFlag & CSTOPB)
-		ulTmp |= TWOSTOP;	/* select 2 stop bits */
-	else
-		ulTmp |= ONESTOP;	/* select one stop bit */
-
-	/* Write these values into the config reg.  */
-	pUart->config = ulTmp;
-	pUart->control &=
-	    ~(RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN);
-	switch (cFlag & (PARENB | PARODD)) {
-	case PARENB | PARODD:
-		pUart->control |= RXPARITYEN | TXPARITYEN;
-		break;
-	case PARENB:
-		pUart->control |=
-		    RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN;
-		break;
-	default:
-		pUart->control |= 0;
-		break;
-	}
-
-	/* Reset and flush uart */
-	pUart->fifoctl = RSTTXFIFOS | RSTRXFIFOS;
-	spin_unlock_irqrestore(&bcm963xx_serial_lock, ulFlags);
-}
-
-
-/* 
- * -------------------------------------------------------------------
- * bcm_flush_char ()
- *
- * Nothing to flush.  Polled I/O is used.
- * ------------------------------------------------------------------- 
- */
-static void bcm63xx_cons_flush_chars(struct tty_struct *tty)
-{
-}
-
-
-/* 
- * -------------------------------------------------------------------
- * bcm63xx_cons_write ()
- *
- * Main output routine using polled I/O.
- * ------------------------------------------------------------------- 
- */
-static int bcm63xx_cons_write(struct tty_struct *tty,
-			      const unsigned char *buf, int count)
-{
-	int c;
-
-	for (c = 0; c < count; c++)
-		_putc(buf[c]);
-	return count;
-}
-
-/* 
- * -------------------------------------------------------------------
- * bcm63xx_cons_write_room ()
- *
- * Compute the amount of space available for writing.
- * ------------------------------------------------------------------- 
- */
-static int bcm63xx_cons_write_room(struct tty_struct *tty)
-{
-	/* Pick a number.  Any number.  Polled I/O is used. */
-	return 1024;
-}
-
-/* 
- * -------------------------------------------------------------------
- * bcm_chars_in_buffer ()
- *
- * compute the amount of char left to be transmitted
- * ------------------------------------------------------------------- 
- */
-static int bcm_chars_in_buffer(struct tty_struct *tty)
-{
-	return 0;
-}
-
-/* 
- * -------------------------------------------------------------------
- * bcm_flush_buffer ()
- *
- * Empty the output buffer
- * ------------------------------------------------------------------- 
- */
-static void bcm_flush_buffer(struct tty_struct *tty)
-{
-	tty_wakeup(tty);
-}
-
-/*
- * ------------------------------------------------------------
- * bcm_throttle () and bcm_unthrottle ()
- * 
- * This routine is called by the upper-layer tty layer to signal that
- * incoming characters should be throttled (or not).
- * ------------------------------------------------------------
- */
-static void bcm_throttle(struct tty_struct *tty)
-{
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-	if (I_IXOFF(tty))
-		info->x_char = STOP_CHAR(tty);
-}
-
-static void bcm_unthrottle(struct tty_struct *tty)
-{
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-	if (I_IXOFF(tty)) {
-		if (info->x_char)
-			info->x_char = 0;
-		else
-			info->x_char = START_CHAR(tty);
-	}
-}
-
-static void bcm_send_xchar(struct tty_struct *tty, char ch)
-{
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-	info->x_char = ch;
-	if (ch)
-		bcm_start(info->tty);
-}
-
-/*
- * ------------------------------------------------------------
- * rs_ioctl () and friends
- * ------------------------------------------------------------
- */
-static int get_serial_info(struct bcm_serial *info,
-			   struct serial_struct *retinfo)
-{
-	struct serial_struct tmp;
-
-	if (!retinfo)
-		return -EFAULT;
-
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.type = info->type;
-	tmp.line = info->line;
-	tmp.port = (int) info->port;
-	tmp.irq = info->irq;
-	tmp.flags = 0;
-	tmp.baud_base = info->baud_base;
-	tmp.close_delay = info->close_delay;
-	tmp.closing_wait = info->closing_wait;
-
-	return copy_to_user(retinfo, &tmp, sizeof(*retinfo));
-}
-
-static int set_serial_info(struct bcm_serial *info,
-			   struct serial_struct *new_info)
-{
-	struct serial_struct new_serial;
-	struct bcm_serial old_info;
-	int retval = 0;
-
-	if (!new_info)
-		return -EFAULT;
-
-	copy_from_user(&new_serial, new_info, sizeof(new_serial));
-	old_info = *info;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-
-	if (info->count > 1)
-		return -EBUSY;
-
-	/* OK, past this point, all the error checking has been done.
-	 * At this point, we start making changes.....
-	 */
-	info->baud_base = new_serial.baud_base;
-	info->type = new_serial.type;
-	info->close_delay = new_serial.close_delay;
-	info->closing_wait = new_serial.closing_wait;
-	retval = startup(info);
-	return retval;
-}
-
-/*
- * get_lsr_info - get line status register info
- *
- * Purpose: Let user call ioctl() to get info when the UART physically
- *          is emptied.  On bus types like RS485, the transmitter must
- *          release the bus after transmitting. This must be done when
- *          the transmit shift register is empty, not be done when the
- *          transmit holding register is empty.  This functionality
- *          allows an RS485 driver to be written in user space. 
- */
-static int get_lsr_info(struct bcm_serial *info, unsigned int *value)
-{
-	return (0);
-}
-
-/*
- * This routine sends a break character out the serial port.
- */
-static void send_break(struct bcm_serial *info, int duration)
-{
-	unsigned long flags;
-
-	if (!info->port)
-		return;
-
-	current->state = TASK_INTERRUPTIBLE;
-
-	/*save_flags (flags);
-	   cli(); */
-	spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
-	info->port->control |= XMITBREAK;
-	schedule_timeout(duration);
-	info->port->control &= ~XMITBREAK;
-
-	spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-	//restore_flags (flags);
-}
-
-static int bcm_ioctl(struct tty_struct *tty, struct file *file,
-		     unsigned int cmd, unsigned long arg)
-{
-	int error;
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-	int retval;
-
-	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
-	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD) &&
-	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
-		if (tty->flags & (1 << TTY_IO_ERROR))
-			return -EIO;
-	}
-	switch (cmd) {
-
-	case TCSBRK:		/* SVID version: non-zero arg --> no break */
-		retval = tty_check_change(tty);
-		if (retval)
-			return retval;
-		tty_wait_until_sent(tty, 0);
-		if (!arg)
-			send_break(info, HZ / 4);	/* 1/4 second */
-		return 0;
-
-	case TCSBRKP:		/* support for POSIX tcsendbreak() */
-		retval = tty_check_change(tty);
-		if (retval)
-			return retval;
-		tty_wait_until_sent(tty, 0);
-		send_break(info, arg ? arg * (HZ / 10) : HZ / 4);
-		return 0;
-
-	case TIOCGSOFTCAR:
-		error =
-		    access_ok(VERIFY_WRITE, (void *) arg, sizeof(long));
-		if (!error)
-			return -EFAULT;
-		else {
-			put_user(C_CLOCAL(tty) ? 1 : 0,
-				 (unsigned long *) arg);
-			return 0;
-		}
-
-	case TIOCSSOFTCAR:
-		error = get_user(arg, (unsigned long *) arg);
-		if (error)
-			return error;
-		tty->termios->c_cflag =
-		    ((tty->termios->
-		      c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0));
-		return 0;
-
-	case TIOCGSERIAL:
-		error =
-		    access_ok(VERIFY_WRITE, (void *) arg,
-			      sizeof(struct serial_struct));
-		if (!error)
-			return -EFAULT;
-		else
-			return get_serial_info(info,
-					       (struct serial_struct *)
-					       arg);
-
-	case TIOCSSERIAL:
-		return set_serial_info(info, (struct serial_struct *) arg);
-
-	case TIOCSERGETLSR:	/* Get line status register */
-		error =
-		    access_ok(VERIFY_WRITE, (void *) arg,
-			      sizeof(unsigned int));
-		if (!error)
-			return -EFAULT;
-		else
-			return get_lsr_info(info, (unsigned int *) arg);
-
-	case TIOCSERGSTRUCT:
-		error =
-		    access_ok(VERIFY_WRITE, (void *) arg,
-			      sizeof(struct bcm_serial));
-		if (!error)
-			return -EFAULT;
-		else {
-			copy_to_user((struct bcm_serial *) arg, info,
-				     sizeof(struct bcm_serial));
-			return 0;
-		}
-
-	default:
-		return -ENOIOCTLCMD;
-	}
-	return 0;
-}
-
-static void bcm_set_termios(struct tty_struct *tty,
-			    struct ktermios *old_termios)
-{
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-
-	if (tty->termios->c_cflag != old_termios->c_cflag)
-		change_speed(info->port, tty->termios->c_cflag);
-}
-
-/*
- * ------------------------------------------------------------
- * bcm63xx_cons_close()
- * 
- * This routine is called when the serial port gets closed.  First, we
- * wait for the last remaining data to be sent.  Then, we turn off
- * the transmit enable and receive enable flags.
- * ------------------------------------------------------------
- */
-static void bcm63xx_cons_close(struct tty_struct *tty, struct file *filp)
-{
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-	unsigned long flags;
-
-	if (!info)
-		return;
-
-	/*save_flags (flags); 
-	   cli(); */
-	spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
-	if (tty_hung_up_p(filp)) {
-		spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-		//restore_flags (flags);
-		return;
-	}
-
-	if ((tty->count == 1) && (info->count != 1)) {
-
-		/* Uh, oh.  tty->count is 1, which means that the tty
-		 * structure will be freed.  Info->count should always
-		 * be one in these conditions.  If it's greater than
-		 * one, we've got real problems, since it means the
-		 * serial port won't be shutdown.
-		 */
-		printk
-		    ("bcm63xx_cons_close: bad serial port count; tty->count is 1, "
-		     "info->count is %d\n", info->count);
-		info->count = 1;
-	}
-
-	if (--info->count < 0) {
-		printk("ds_close: bad serial port count for ttys%d: %d\n",
-		       info->line, info->count);
-		info->count = 0;
-	}
-
-	if (info->count) {
-		//restore_flags (flags);
-		spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-		return;
-	}
-
-	/* Now we wait for the transmit buffer to clear; and we notify 
-	 * the line discipline to only process XON/XOFF characters.
-	 */
-	tty->closing = 1;
-
-	/* At this point we stop accepting input.  To do this, we
-	 * disable the receive line status interrupts.
-	 */
-	shutdown(info);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-	if (tty->driver->flush_buffer)
-		tty->driver->flush_buffer(tty);
-#else
-	if (tty->driver.flush_buffer)
-		tty->driver.flush_buffer(tty);
-#endif
-	if (tty->ldisc.flush_buffer)
-		tty->ldisc.flush_buffer(tty);
-
-	tty->closing = 0;
-	info->event = 0;
-	info->tty = 0;
-	if (tty->ldisc.num != tty_ldisc_get(N_TTY)->num) {
-		if (tty->ldisc.close)
-			(tty->ldisc.close) (tty);
-		tty->ldisc = *tty_ldisc_get(N_TTY);
-		tty->termios->c_line = N_TTY;
-		if (tty->ldisc.open)
-			(tty->ldisc.open) (tty);
-	}
-	if (info->blocked_open) {
-		if (info->close_delay) {
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(info->close_delay);
-		}
-		wake_up_interruptible(&info->open_wait);
-	}
-	wake_up_interruptible(&info->close_wait);
-
-	//restore_flags (flags);
-	spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-}
-
-/*
- * bcm_hangup () --- called by tty_hangup() when a hangup is signaled.
- */
-static void bcm_hangup(struct tty_struct *tty)
-{
-
-	struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
-
-	shutdown(info);
-	info->event = 0;
-	info->count = 0;
-	info->tty = 0;
-	wake_up_interruptible(&info->open_wait);
-}
-
-/*
- * ------------------------------------------------------------
- * rs_open() and friends
- * ------------------------------------------------------------
- */
-static int block_til_ready(struct tty_struct *tty, struct file *filp,
-			   struct bcm_serial *info)
-{
-	return 0;
-}
-
-/*
- * This routine is called whenever a serial port is opened.  It
- * enables interrupts for a serial port. It also performs the 
- * serial-specific initialization for the tty structure.
- */
-static int bcm63xx_cons_open(struct tty_struct *tty, struct file *filp)
-{
-	struct bcm_serial *info;
-	int retval, line;
-
-	// Make sure we're only opening on of the ports we support
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-	line = MINOR(tty->driver->cdev.dev) - tty->driver->minor_start;
-#else
-	line = MINOR(tty->device) - tty->driver.minor_start;
-#endif
-
-	if ((line < 0) || (line >= BCM_NUM_UARTS))
-		return -ENODEV;
-
-	info = lines[line];
-
-	tty->low_latency = 1;
-	info->port->intMask = 0;	/* Clear any pending interrupts */
-	info->port->intMask = RXINT;	/* Enable RX */
-
-	info->count++;
-	tty->driver_data = info;
-	info->tty = tty;
-	enable_brcm_irq(INTERRUPT_ID_UART);
-
-	// Start up serial port
-	retval = startup(info);
-	if (retval)
-		return retval;
-
-	retval = block_til_ready(tty, filp, info);
-	if (retval)
-		return retval;
-
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-	info->pgrp = task_pgrp(current);
-#else
-	info->session = current->session;
-	info->pgrp = current->pgrp;
-#endif
-
-	return 0;
-}
-
-
-static struct tty_operations rs_ops = {
-	.open = bcm63xx_cons_open,
-	.close = bcm63xx_cons_close,
-	.write = bcm63xx_cons_write,
-	.flush_chars = bcm63xx_cons_flush_chars,
-	.write_room = bcm63xx_cons_write_room,
-	.chars_in_buffer = bcm_chars_in_buffer,
-	.flush_buffer = bcm_flush_buffer,
-	.ioctl = bcm_ioctl,
-	.throttle = bcm_throttle,
-	.unthrottle = bcm_unthrottle,
-	.send_xchar = bcm_send_xchar,
-	.set_termios = bcm_set_termios,
-	.stop = bcm_stop,
-	.start = bcm_start,
-	.hangup = bcm_hangup,
-};
-
-/* --------------------------------------------------------------------------
-    Name: bcm63xx_serialinit
- Purpose: Initialize our BCM63xx serial driver
--------------------------------------------------------------------------- */
-static int __init bcm63xx_serialinit(void)
-{
-	int i, flags;
-	struct bcm_serial *info;
-
-	// Print the driver version information
-	printk(VER_STR);
-	serial_driver = alloc_tty_driver(BCM_NUM_UARTS);
-	if (!serial_driver)
-		return -ENOMEM;
-
-	serial_driver->owner = THIS_MODULE;
-	serial_driver->name = "ttyS";
-	serial_driver->major = TTY_MAJOR;
-	serial_driver->minor_start = 64;
-	serial_driver->num = 1;
-	serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
-	serial_driver->subtype = SERIAL_TYPE_NORMAL;
-	serial_driver->init_termios = tty_std_termios;
-	serial_driver->init_termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
-	serial_driver->flags = TTY_DRIVER_REAL_RAW;
-
-	serial_driver->termios = serial_termios;
-	serial_driver->termios_locked = serial_termios_locked;
-
-	tty_set_operations(serial_driver, &rs_ops);
-
-	if (tty_register_driver(serial_driver))
-		panic("Couldn't register serial driver\n");
-
-	//save_flags(flags); cli();
-	spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
-	for (i = 0; i < 1; i++) {
-		info = &multi[i];
-		lines[i] = info;
-		info->magic = SERIAL_MAGIC;
-		info->port = (Uart *) ((char *) UART_BASE + (i * 0x20));
-		info->tty = 0;
-		info->irq = (2 - i) + 8;
-		info->line = i;
-		info->close_delay = 50;
-		info->closing_wait = 3000;
-		info->x_char = 0;
-		info->event = 0;
-		info->count = 0;
-		info->blocked_open = 0;
-		info->normal_termios = serial_driver->init_termios;
-		init_waitqueue_head(&info->open_wait);
-		init_waitqueue_head(&info->close_wait);
-
-		/* If we are pointing to address zero then punt - not correctly
-		 * set up in setup.c to handle this. 
-		 */
-		if (!info->port)
-			return 0;
-		BcmHalMapInterrupt(bcm_interrupt, 0, INTERRUPT_ID_UART);
-	}
-
-	/* order matters here... the trick is that flags
-	 * is updated... in request_irq - to immediatedly obliterate
-	 * it is unwise. 
-	 */
-	spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
-	return 0;
-}
-
-module_init(bcm63xx_serialinit);
-
-/* --------------------------------------------------------------------------
-    Name: bcm_console_print
- Purpose: bcm_console_print is registered for printk.
-          The console_lock must be held when we get here.
--------------------------------------------------------------------------- */
-static void bcm_console_print(struct console *cons, const char *str,
-			      unsigned int count)
-{
-	unsigned int i;
-	//_puts(str);
-	for (i = 0; i < count; i++, str++) {
-		_putc(*str);
-		if (*str == 10) {
-			_putc(13);
-		}
-	}
-}
-
-static struct tty_driver *bcm_console_device(struct console *c, int *index)
-{
-	*index = c->index;
-	return serial_driver;
-}
-
-static int __init bcm_console_setup(struct console *co, char *options)
-{
-	return 0;
-}
-
-static struct console bcm_sercons = {
-	.name = "ttyS",
-	.write = bcm_console_print,
-	.device = bcm_console_device,
-	.setup = bcm_console_setup,
-	.flags = CON_PRINTBUFFER,
-	.index = -1,
-};
-
-static int __init bcm63xx_console_init(void)
-{
-	register_console(&bcm_sercons);
-	return 0;
-}
-
-console_initcall(bcm63xx_console_init);