u-boot/board/esd/cpci750/serial.c

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/*
* (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>
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*
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* modified for cpci750 board by
* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
*
* SPDX-License-Identifier: GPL-2.0+
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*/
/*
* serial.c - serial support for esd cpci750 board
*/
/* supports the MPSC */
#include <common.h>
#include <command.h>
#include <serial.h>
#include <linux/compiler.h>
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#include "../../Marvell/include/memory.h"
#include "serial.h"
#include "mpsc.h"
DECLARE_GLOBAL_DATA_PTR;
static int cpci750_serial_init(void)
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{
mpsc_init (gd->baudrate);
return (0);
}
static void cpci750_serial_putc(const char c)
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{
if (c == '\n')
mpsc_putchar ('\r');
mpsc_putchar (c);
}
static int cpci750_serial_getc(void)
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{
return mpsc_getchar ();
}
static int cpci750_serial_tstc(void)
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{
return mpsc_test_char ();
}
static void cpci750_serial_setbrg(void)
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{
galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate);
}
static struct serial_device cpci750_serial_drv = {
.name = "cpci750_serial",
.start = cpci750_serial_init,
.stop = NULL,
.setbrg = cpci750_serial_setbrg,
.putc = cpci750_serial_putc,
.puts = default_serial_puts,
.getc = cpci750_serial_getc,
.tstc = cpci750_serial_tstc,
};
void cpci750_serial_initialize(void)
{
serial_register(&cpci750_serial_drv);
}
__weak struct serial_device *default_serial_console(void)
{
return &cpci750_serial_drv;
}
#if defined(CONFIG_CMD_KGDB)
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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