Release 4.7 drivers/tty/serial/8250/8250_gsc.c
/*
* Serial Device Initialisation for Lasi/Asp/Wax/Dino
*
* (c) Copyright Matthew Wilcox <willy@debian.org> 2001-2002
*
* 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/errno.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/serial_core.h>
#include <linux/signal.h>
#include <linux/types.h>
#include <asm/hardware.h>
#include <asm/parisc-device.h>
#include <asm/io.h>
#include "8250.h"
static int __init serial_init_chip(struct parisc_device *dev)
{
struct uart_8250_port uart;
unsigned long address;
int err;
#ifdef CONFIG_64BIT
if (!dev->irq && (dev->id.sversion == 0xad))
dev->irq = iosapic_serial_irq(dev);
#endif
if (!dev->irq) {
/* We find some unattached serial ports by walking native
* busses. These should be silently ignored. Otherwise,
* what we have here is a missing parent device, so tell
* the user what they're missing.
*/
if (parisc_parent(dev)->id.hw_type != HPHW_IOA)
dev_info(&dev->dev,
"Serial: device 0x%llx not configured.\n"
"Enable support for Wax, Lasi, Asp or Dino.\n",
(unsigned long long)dev->hpa.start);
return -ENODEV;
}
address = dev->hpa.start;
if (dev->id.sversion != 0x8d)
address += 0x800;
memset(&uart, 0, sizeof(uart));
uart.port.iotype = UPIO_MEM;
/* 7.272727MHz on Lasi. Assumed the same for Dino, Wax and Timi. */
uart.port.uartclk = (dev->id.sversion != 0xad) ?
7272727 : 1843200;
uart.port.mapbase = address;
uart.port.membase = ioremap_nocache(address, 16);
uart.port.irq = dev->irq;
uart.port.flags = UPF_BOOT_AUTOCONF;
uart.port.dev = &dev->dev;
err = serial8250_register_8250_port(&uart);
if (err < 0) {
dev_warn(&dev->dev,
"serial8250_register_8250_port returned error %d\n",
err);
iounmap(uart.port.membase);
return err;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 138 | 53.08% | 2 | 18.18% |
| thomas bogendoerfer | thomas bogendoerfer | 43 | 16.54% | 1 | 9.09% |
| alan cox | alan cox | 23 | 8.85% | 1 | 9.09% |
| helge deller | helge deller | 22 | 8.46% | 1 | 9.09% |
| phillip raffeck | phillip raffeck | 12 | 4.62% | 1 | 9.09% |
| matthew wilcox | matthew wilcox | 9 | 3.46% | 3 | 27.27% |
| amol lad | amol lad | 7 | 2.69% | 1 | 9.09% |
| alexander beregalov | alexander beregalov | 6 | 2.31% | 1 | 9.09% |
| Total | 260 | 100.00% | 11 | 100.00% |
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 },
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x000ad },
{ 0 }
};
/* Hack. Some machines have SERIAL_0 attached to Lasi and SERIAL_1
* attached to Dino. Unfortunately, Dino appears before Lasi in the device
* tree. To ensure that ttyS0 == SERIAL_0, we register two drivers; one
* which only knows about Lasi and then a second which will find all the
* other serial ports. HPUX ignores this problem.
*/
static struct parisc_device_id lasi_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 lasi_driver = {
.name = "serial_1",
.id_table = lasi_tbl,
.probe = serial_init_chip,
};
static struct parisc_driver serial_driver = {
.name = "serial",
.id_table = serial_tbl,
.probe = serial_init_chip,
};
static int __init probe_serial_gsc(void)
{
register_parisc_driver(&lasi_driver);
register_parisc_driver(&serial_driver);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 22 | 91.67% | 1 | 33.33% |
| adrian bunk | adrian bunk | 1 | 4.17% | 1 | 33.33% |
| matthew wilcox | matthew wilcox | 1 | 4.17% | 1 | 33.33% |
| Total | 24 | 100.00% | 3 | 100.00% |
module_init(probe_serial_gsc);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 386 | 70.70% | 2 | 13.33% |
| thomas bogendoerfer | thomas bogendoerfer | 53 | 9.71% | 1 | 6.67% |
| alan cox | alan cox | 23 | 4.21% | 1 | 6.67% |
| helge deller | helge deller | 22 | 4.03% | 1 | 6.67% |
| matthew wilcox | matthew wilcox | 19 | 3.48% | 4 | 26.67% |
| art haas | art haas | 12 | 2.20% | 1 | 6.67% |
| phillip raffeck | phillip raffeck | 12 | 2.20% | 1 | 6.67% |
| amol lad | amol lad | 7 | 1.28% | 1 | 6.67% |
| adrian bunk | adrian bunk | 6 | 1.10% | 2 | 13.33% |
| alexander beregalov | alexander beregalov | 6 | 1.10% | 1 | 6.67% |
| Total | 546 | 100.00% | 15 | 100.00% |
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