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/*
* (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 <config.h>
#include <serial.h>
#include <linux/compiler.h>
#include <ns16550.h>
DECLARE_GLOBAL_DATA_PTR;
const NS16550_t COM_PORTS[] =
{ (NS16550_t) CONFIG_SYS_NS16550_COM1, (NS16550_t) CONFIG_SYS_NS16550_COM2 };
#undef CONFIG_SYS_DUART_CHAN
#define CONFIG_SYS_DUART_CHAN gComPort
static int gComPort = 0;
static int amirix_serial_init(void)
{
int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
(void) NS16550_init (COM_PORTS[0], clock_divisor);
gComPort = 0;
return 0;
}
static void amirix_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);
}
static int amirix_serial_getc(void)
{
return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
}
static int amirix_serial_tstc(void)
{
return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
}
static void amirix_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
}
static void amirix_serial_puts(const char *s)
{
while (*s) {
serial_putc (*s++);
}
}
#ifdef CONFIG_SERIAL_MULTI
static struct serial_device amirix_serial_drv = {
.name = "amirix_serial",
.start = amirix_serial_init,
.stop = NULL,
.setbrg = amirix_serial_setbrg,
.putc = amirix_serial_putc,
.puts = amirix_serial_puts,
.getc = amirix_serial_getc,
.tstc = amirix_serial_tstc,
};
void amirix_serial_initialize(void)
{
serial_register(&amirix_serial_drv);
}
__weak struct serial_device *default_serial_console(void)
{
return &amirix_serial_drv;
}
#else
int serial_init(void)
{
return amirix_serial_init();
}
void serial_setbrg(void)
{
amirix_serial_setbrg();
}
void serial_putc(const char c)
{
amirix_serial_putc(c);
}
void serial_puts(const char *s)
{
amirix_serial_puts(s);
}
int serial_getc(void)
{
return amirix_serial_getc();
}
int serial_tstc(void)
{
return amirix_serial_tstc();
}
#endif
#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
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