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u-boot/board/Marvell/common/serial.c
Wolfgang Denk 03b004074f PowerPC: drop some 74xx_7xx boards and related code
The file  board/Marvell/include/mv_gen_reg.h  is incompatible with
the GPL (see for example the "MARVELL RESERVES THE RIGHT AT ITS SOLE
DISCRETION TO REQUEST THAT THIS CODE BE IMMEDIATELY RETURNED TO
MARVELL" clause).  As this cannot be fixed, we remove the file and all
code that depends on it.  Fortunately this only affects some very old
boards that have long reached EOL:
	CPCI750
	DB64360
	DB64460
	p3m750
	p3m7448

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Roger Meier <r.meier@siemens.com>
2014-10-27 14:35:55 +01:00

162 lines
2.9 KiB
C

/*
* (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>
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* serial.c - serial support for the gal ev board
*/
/* supports both the 16650 duart and the MPSC */
#include <common.h>
#include <command.h>
#include <serial.h>
#include <linux/compiler.h>
#include "../include/memory.h"
#include "ns16550.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_MPSC
static int marvell_serial_init(void)
{
#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_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 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
return (0);
}
static void marvell_serial_putc(const char c)
{
if (c == '\n')
mpsc_putchar ('\r');
mpsc_putchar (c);
}
static int marvell_serial_getc(void)
{
return mpsc_getchar ();
}
static int marvell_serial_tstc(void)
{
return mpsc_test_char ();
}
static void marvell_serial_setbrg(void)
{
galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate);
}
#else /* ! CONFIG_MPSC */
static int marvell_serial_init(void)
{
int clock_divisor = 230400 / gd->baudrate;
#ifdef CONFIG_SYS_INIT_CHAN1
(void) NS16550_init (0, clock_divisor);
#endif
#ifdef CONFIG_SYS_INIT_CHAN2
(void) NS16550_init (1, clock_divisor);
#endif
return (0);
}
static void marvell_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 marvell_serial_getc(void)
{
return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
}
static int marvell_serial_tstc(void)
{
return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
}
static void marvell_serial_setbrg(void)
{
int clock_divisor = 230400 / 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
}
#endif /* CONFIG_MPSC */
static struct serial_device marvell_serial_drv = {
.name = "marvell_serial",
.start = marvell_serial_init,
.stop = NULL,
.setbrg = marvell_serial_setbrg,
.putc = marvell_serial_putc,
.puts = default_serial_puts,
.getc = marvell_serial_getc,
.tstc = marvell_serial_tstc,
};
void marvell_serial_initialize(void)
{
serial_register(&marvell_serial_drv);
}
__weak struct serial_device *default_serial_console(void)
{
return &marvell_serial_drv;
}
#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