mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
a382725060
Remove the support for not-CONFIG_SERIAL_MULTI part from serial port drivers and some board files. Since CONFIG_SERIAL_MULTI is now enabled by default, that part is a dead code. Remove it. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Anatolij Gustschin <agust@denx.de> Cc: Stefan Roese <sr@denx.de> Signed-off-by: Tom Rini <trini@ti.com>
162 lines
3.3 KiB
C
162 lines
3.3 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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 <config.h>
|
|
#include <common.h>
|
|
#include <serial.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#include "sconsole.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
void (*sconsole_putc) (char) = 0;
|
|
void (*sconsole_puts) (const char *) = 0;
|
|
int (*sconsole_getc) (void) = 0;
|
|
int (*sconsole_tstc) (void) = 0;
|
|
void (*sconsole_setbrg) (void) = 0;
|
|
|
|
static int sconsole_serial_init(void)
|
|
{
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
|
|
sb->pos = 0;
|
|
sb->size = 0;
|
|
sb->baud = gd->baudrate;
|
|
sb->max_size = CONFIG_SYS_SCONSOLE_SIZE - sizeof (sconsole_buffer_t);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void sconsole_serial_putc(char c)
|
|
{
|
|
if (sconsole_putc) {
|
|
(*sconsole_putc) (c);
|
|
} else {
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
|
|
if (c) {
|
|
sb->data[sb->pos++] = c;
|
|
if (sb->pos == sb->max_size) {
|
|
sb->pos = 0;
|
|
}
|
|
if (sb->size < sb->max_size) {
|
|
sb->size++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sconsole_serial_puts(const char *s)
|
|
{
|
|
if (sconsole_puts) {
|
|
(*sconsole_puts) (s);
|
|
} else {
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
|
|
while (*s) {
|
|
sb->data[sb->pos++] = *s++;
|
|
if (sb->pos == sb->max_size) {
|
|
sb->pos = 0;
|
|
}
|
|
if (sb->size < sb->max_size) {
|
|
sb->size++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int sconsole_serial_getc(void)
|
|
{
|
|
if (sconsole_getc) {
|
|
return (*sconsole_getc) ();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int sconsole_serial_tstc(void)
|
|
{
|
|
if (sconsole_tstc) {
|
|
return (*sconsole_tstc) ();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void sconsole_serial_setbrg(void)
|
|
{
|
|
if (sconsole_setbrg) {
|
|
(*sconsole_setbrg) ();
|
|
} else {
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
|
|
sb->baud = gd->baudrate;
|
|
}
|
|
}
|
|
|
|
static struct serial_device sconsole_serial_drv = {
|
|
.name = "sconsole_serial",
|
|
.start = sconsole_serial_init,
|
|
.stop = NULL,
|
|
.setbrg = sconsole_serial_setbrg,
|
|
.putc = sconsole_serial_putc,
|
|
.puts = sconsole_serial_puts,
|
|
.getc = sconsole_serial_getc,
|
|
.tstc = sconsole_serial_tstc,
|
|
};
|
|
|
|
void sconsole_serial_initialize(void)
|
|
{
|
|
serial_register(&sconsole_serial_drv);
|
|
}
|
|
|
|
__weak struct serial_device *default_serial_console(void)
|
|
{
|
|
return &sconsole_serial_drv;
|
|
}
|
|
|
|
int sconsole_get_baudrate (void)
|
|
{
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
|
|
return sb->baud;
|
|
}
|
|
|
|
void sconsole_flush (void)
|
|
{
|
|
if (sconsole_putc) {
|
|
sconsole_buffer_t *sb = SCONSOLE_BUFFER;
|
|
unsigned int end = sb->pos < sb->size
|
|
? sb->pos + sb->max_size - sb->size
|
|
: sb->pos - sb->size;
|
|
|
|
while (sb->size) {
|
|
(*sconsole_putc) (sb->data[end++]);
|
|
if (end == sb->max_size) {
|
|
end = 0;
|
|
}
|
|
sb->size--;
|
|
}
|
|
}
|
|
}
|