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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [gsc/] [serial.c] - Rev 1774
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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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