mirror of
https://github.com/AsahiLinux/u-boot
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111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
/*
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* (C) Copyright 2002
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* Peter De Schrijver (p2@mind.be), Mind Linux Solutions, NV.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <asm/u-boot.h>
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#include <asm/processor.h>
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#include <command.h>
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#include <config.h>
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#include <ns16550.h>
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DECLARE_GLOBAL_DATA_PTR;
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const NS16550_t COM_PORTS[] =
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{ (NS16550_t) CONFIG_SYS_NS16550_COM1, (NS16550_t) CONFIG_SYS_NS16550_COM2 };
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#undef CONFIG_SYS_DUART_CHAN
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#define CONFIG_SYS_DUART_CHAN gComPort
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static int gComPort = 0;
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int serial_init (void)
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{
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int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
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(void) NS16550_init (COM_PORTS[0], clock_divisor);
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gComPort = 0;
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return 0;
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}
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void serial_putc (const char c)
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{
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if (c == '\n') {
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NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], '\r');
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}
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NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], c);
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}
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int serial_getc (void)
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{
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return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
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}
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int serial_tstc (void)
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{
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return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
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}
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void serial_setbrg (void)
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{
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int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
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#ifdef CONFIG_SYS_INIT_CHAN1
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NS16550_reinit (COM_PORTS[0], clock_divisor);
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#endif
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#ifdef CONFIG_SYS_INIT_CHAN2
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NS16550_reinit (COM_PORTS[1], clock_divisor);
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#endif
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}
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void serial_puts (const char *s)
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{
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while (*s) {
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serial_putc (*s++);
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}
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}
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#if defined(CONFIG_CMD_KGDB)
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void kgdb_serial_init (void)
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{
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}
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void putDebugChar (int c)
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{
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serial_putc (c);
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}
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void putDebugStr (const char *str)
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{
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serial_puts (str);
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}
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int getDebugChar (void)
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{
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return serial_getc ();
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}
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void kgdb_interruptible (int yes)
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{
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return;
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}
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#endif
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