blob: 5c500802271e78298866f8e58146239f2a3fbcd2 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <linux/init.h>
19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/ioport.h>
22#include <linux/tty.h>
23#include <linux/serial.h>
24#include <linux/serial_core.h>
Yinghai Lub187f182007-07-18 00:49:10 -070025#include <linux/serial_8250.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
27#include <asm/cpu.h>
28#include <asm/bootinfo.h>
29#include <asm/irq.h>
30#include <asm/mips-boards/generic.h>
31#include <asm/mips-boards/prom.h>
32#include <asm/mips-boards/atlas.h>
33#include <asm/mips-boards/atlasint.h>
34#include <asm/time.h>
35#include <asm/traps.h>
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037static void __init serial_init(void);
38
39const char *get_system_type(void)
40{
41 return "MIPS Atlas";
42}
43
Ralf Baechle79894c72007-05-16 17:54:08 +020044const char display_string[] = " LINUX ON ATLAS ";
45
Ralf Baechle2925aba2006-06-18 01:32:22 +010046void __init plat_mem_setup(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070047{
Ralf Baechlec83cfc92005-06-21 13:56:30 +000048 mips_pcibios_init();
49
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 ioport_resource.end = 0x7fffffff;
51
Ralf Baechle49a89ef2007-10-11 23:46:15 +010052 serial_init();
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
54#ifdef CONFIG_KGDB
55 kgdb_config();
56#endif
57 mips_reboot_setup();
Linus Torvalds1da177e2005-04-16 15:20:36 -070058}
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060static void __init serial_init(void)
61{
62#ifdef CONFIG_SERIAL_8250
63 struct uart_port s;
64
65 memset(&s, 0, sizeof(s));
66
67#ifdef CONFIG_CPU_LITTLE_ENDIAN
68 s.iobase = ATLAS_UART_REGS_BASE;
69#else
70 s.iobase = ATLAS_UART_REGS_BASE+3;
71#endif
Maciej W. Rozyckifc095a92006-09-12 19:12:18 +010072 s.irq = ATLAS_INT_UART;
Linus Torvalds1da177e2005-04-16 15:20:36 -070073 s.uartclk = ATLAS_BASE_BAUD * 16;
Russell King59a675b2006-02-05 10:52:29 +000074 s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
Russell King9b4a1612006-02-05 10:48:10 +000075 s.iotype = UPIO_PORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 s.regshift = 3;
77
78 if (early_serial_setup(&s) != 0) {
79 printk(KERN_ERR "Serial setup failed!\n");
80 }
81#endif
82}