8250_fourport.c

Go to the documentation of this file.

/*
 *  Copyright (C) 2005 Russell King.
 *  Data taken from include/asm-i386/serial.h
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/module.h>
#include <linux/init.h>
#include <linux/serial_8250.h>

#define PORT(_base,_irq)                        \
    {                               \
        .iobase     = _base,                \
        .irq        = _irq,                 \
        .uartclk    = 1843200,              \
        .iotype     = UPIO_PORT,                \
        .flags      = UPF_BOOT_AUTOCONF | UPF_FOURPORT, \
    }

static struct plat_serial8250_port fourport_data[] = {
    PORT(0x1a0, 9),
    PORT(0x1a8, 9),
    PORT(0x1b0, 9),
    PORT(0x1b8, 9),
    PORT(0x2a0, 5),
    PORT(0x2a8, 5),
    PORT(0x2b0, 5),
    PORT(0x2b8, 5),
    { },
};

static struct platform_device fourport_device = {
    .name           = "serial8250",
    .id         = PLAT8250_DEV_FOURPORT,
    .dev            = {
        .platform_data  = fourport_data,
    },
};

static int __init fourport_init(void)
{
    return platform_device_register(&fourport_device);
}

module_init(fourport_init);

MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("8250 serial probe module for AST Fourport cards");
MODULE_LICENSE("GPL");