mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
115 lines
2.4 KiB
C
115 lines
2.4 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Peter De Schrijver (p2@mind.be), Mind Linux Solutions, NV.
|
|
*
|
|
* 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/u-boot.h>
|
|
#include <asm/processor.h>
|
|
#include <command.h>
|
|
#include <configs/ML2.h>
|
|
|
|
#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
|
|
#include <ns16550.h>
|
|
#endif
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
|
|
const NS16550_t COM_PORTS[] = { (NS16550_t) CONFIG_SYS_NS16550_COM1,
|
|
(NS16550_t) CONFIG_SYS_NS16550_COM2
|
|
};
|
|
#endif
|
|
|
|
int serial_init (void)
|
|
{
|
|
int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
|
|
|
|
#ifdef CONFIG_SYS_INIT_CHAN1
|
|
(void) NS16550_init (COM_PORTS[0], clock_divisor);
|
|
#endif
|
|
#ifdef CONFIG_SYS_INIT_CHAN2
|
|
(void) NS16550_init (COM_PORTS[1], clock_divisor);
|
|
#endif
|
|
return 0;
|
|
|
|
}
|
|
|
|
void serial_putc (const char c)
|
|
{
|
|
if (c == '\n')
|
|
NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], '\r');
|
|
|
|
NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], c);
|
|
}
|
|
|
|
int serial_getc (void)
|
|
{
|
|
return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
|
|
}
|
|
|
|
int serial_tstc (void)
|
|
{
|
|
return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
|
|
}
|
|
|
|
void serial_setbrg (void)
|
|
{
|
|
int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
|
|
|
|
#ifdef CONFIG_SYS_INIT_CHAN1
|
|
NS16550_reinit (COM_PORTS[0], clock_divisor);
|
|
#endif
|
|
#ifdef CONFIG_SYS_INIT_CHAN2
|
|
NS16550_reinit (COM_PORTS[1], clock_divisor);
|
|
#endif
|
|
}
|
|
|
|
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
|