/* * (C) Copyright 2001 * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. * * modified for marvell db64360 eval board by * Ingo Assmus <ingo.assmus@keymile.com> * * 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 *//* * serial.c - serial support for the gal ev board *//* supports both the 16650 duart and the MPSC */#include <common.h>#include <command.h>#include "../include/memory.h"#include "serial.h"#ifdef CONFIG_DB64360#include "../db64360/mpsc.h"#endif#ifdef CONFIG_DB64460#include "../db64460/mpsc.h"#endif#include "ns16550.h"DECLARE_GLOBAL_DATA_PTR;#ifdef CONFIG_MPSCint serial_init (void){#if (defined CFG_INIT_CHAN1) || (defined CFG_INIT_CHAN2)	int clock_divisor = 230400 / gd->baudrate;#endif	mpsc_init (gd->baudrate);	/* init the DUART chans so that KGDB in the kernel can use them */#ifdef CFG_INIT_CHAN1	NS16550_reinit (COM_PORTS[0], clock_divisor);#endif#ifdef CFG_INIT_CHAN2	NS16550_reinit (COM_PORTS[1], clock_divisor);#endif	return (0);}void serial_putc (const char c){	if (c == '\n')		mpsc_putchar ('\r');	mpsc_putchar (c);}int serial_getc (void){	return mpsc_getchar ();}int serial_tstc (void){	return mpsc_test_char ();}void serial_setbrg (void){	galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate);}#else  /* ! CONFIG_MPSC */int serial_init (void){	int clock_divisor = 230400 / gd->baudrate;#ifdef CFG_INIT_CHAN1	(void) NS16550_init (0, clock_divisor);#endif#ifdef CFG_INIT_CHAN2	(void) NS16550_init (1, clock_divisor);#endif	return (0);}void serial_putc (const char c){	if (c == '\n')		NS16550_putc (COM_PORTS[CFG_DUART_CHAN], '\r');	NS16550_putc (COM_PORTS[CFG_DUART_CHAN], c);}int serial_getc (void){	return NS16550_getc (COM_PORTS[CFG_DUART_CHAN]);}int serial_tstc (void){	return NS16550_tstc (COM_PORTS[CFG_DUART_CHAN]);}void serial_setbrg (void){	int clock_divisor = 230400 / gd->baudrate;#ifdef CFG_INIT_CHAN1	NS16550_reinit (COM_PORTS[0], clock_divisor);#endif#ifdef CFG_INIT_CHAN2	NS16550_reinit (COM_PORTS[1], clock_divisor);#endif}#endif /* CONFIG_MPSC */void serial_puts (const char *s){	while (*s) {		serial_putc (*s++);	}}#if defined(CONFIG_CMD_KGDB)void kgdb_serial_init (void){}void putDebugChar (int c){	serial_putc (c);}void putDebugStr (const char *str){	serial_puts (str);}int getDebugChar (void){	return serial_getc ();}void kgdb_interruptible (int yes){	return;}#endif