Subversion Repositories ao68000

/*

 * de2_70_console: simple console driver for Terasic DE2-70 board. Based on uartlite.c

 *

 * Copyright (C) 2010 Aleksander Osman

 *

 * This file is licensed under the terms of the GNU General Public License

 * version 2.  This program is licensed "as is" without any warranty of any

 * kind, whether express or implied.

 */

#include <linux/platform_device.h>

#include <linux/module.h>

#include <linux/console.h>

#include <linux/serial.h>

#include <linux/serial_core.h>

#include <linux/tty.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <asm/io.h>

#define DE2_70_NAME                     "ttyDE2"

/* ---------------------------------------------------------------------

 * Console driver operations

 */

static void de2_70_console_write(struct console *co, const char *s,

                                unsigned int count)

{

        volatile char *tst = (char *)0xE0000000;

        while(count-- > 0) {

                tst[0] = s[0];

                s++;

        }

}

static int __devinit de2_70_console_setup(struct console *co, char *options)

{

        return 0;

}

static struct console de2_70_console = {

        .name   = DE2_70_NAME,

        .write  = de2_70_console_write,

        .setup  = de2_70_console_setup,

        .flags  = CON_PRINTBUFFER,

        .index  = -1, /* Specified on the cmdline (e.g. console=ttyUL0 ) */

};

static int __init de2_70_console_init(void)

{

        register_console(&de2_70_console);

        return 0;

}

console_initcall(de2_70_console_init);

/* ---------------------------------------------------------------------

 * Module setup/teardown

 */

int __init de2_70_init(void)

{

        return 0;

}

void __exit de2_70_exit(void)

{

}

module_init(de2_70_init);

module_exit(de2_70_exit);

MODULE_AUTHOR("Aleksander Osman <>");

MODULE_DESCRIPTION("DE2-70 console");

MODULE_LICENSE("GPL");