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/*
* Serial Device Initialisation for LASI/ASP/WAX/DINO
*
* (c) Copyright 2000 The Puffin Group Inc.
* (c) Copyright 2000-2001 Helge Deller <deller@gmx.de>
*
* 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.
*
*/
#include <linux/config.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/signal.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/ioport.h>
#include <linux/timex.h>
#include <linux/module.h>
#include <linux/serial.h>
#include <linux/slab.h>
#include <asm/serial.h>
#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/gsc.h>
#include "busdevice.h"
static void setup_parisc_serial(struct serial_struct *serial,
unsigned long address, int irq, int line)
{
memset(serial, 0, sizeof(struct serial_struct));
/* autoconfig() sets state->type. This sets info->type */
serial->type = PORT_16550A;
serial->line = line;
serial->iomem_base = ioremap(address, 0x8);
serial->irq = irq;
serial->io_type = SERIAL_IO_MEM; /* define access method */
serial->flags = 0;
serial->xmit_fifo_size = 16;
serial->custom_divisor = 0;
serial->baud_base = LASI_BASE_BAUD;
}
static int __init
serial_init_chip(struct parisc_device *dev)
{
static int serial_line_nr;
unsigned long address;
struct serial_struct *serial;
if (!dev->irq) {
if (dev->parent->id.hw_type != HPHW_IOA) {
printk(KERN_INFO "Serial: device 0x%lx not configured.\n"
"Enable support for Wax, Lasi, Asp or Dino.\n", dev->hpa);
}
return -ENODEV;
}
serial = kmalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
return -ENOMEM;
address = dev->hpa;
if (dev->id.sversion != 0x8d) {
address += 0x800;
}
setup_parisc_serial(serial, address, dev->irq, serial_line_nr++);
if (register_serial(serial) < 0) {
printk(KERN_WARNING "register_serial returned error\n");
kfree(serial);
return -ENODEV;
}
return 0;
}
static struct parisc_device_id serial_tbl[] = {
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00075 },
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008c },
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008d },
{ 0 }
};
/* Hack. Dino's serial port will get listed first on some machines.
* So we register this driver first which knows about Lasi's serial port.
* This needs to get fixed properly somehow.
*/
static struct parisc_device_id serial1_tbl[] = {
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x03B, 0x0008C }, /* C1xx/C1xxL */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x03C, 0x0008C }, /* B132L */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x03D, 0x0008C }, /* B160L */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x03E, 0x0008C }, /* B132L+ */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x03F, 0x0008C }, /* B180L+ */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x046, 0x0008C }, /* Rocky2 120 */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x047, 0x0008C }, /* Rocky2 150 */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x04E, 0x0008C }, /* Kiji L2 132 */
{ HPHW_FIO, HVERSION_REV_ANY_ID, 0x056, 0x0008C }, /* Raven+ */
{ 0 }
};
MODULE_DEVICE_TABLE(parisc, serial_tbl);
static struct parisc_driver serial1_driver = {
name: "Serial RS232",
id_table: serial1_tbl,
probe: serial_init_chip,
};
static struct parisc_driver serial_driver = {
name: "Serial RS232",
id_table: serial_tbl,
probe: serial_init_chip,
};
void __init probe_serial_gsc(void)
{
register_parisc_driver(&serial1_driver);
register_parisc_driver(&serial_driver);
}
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