1/*
 2 * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
 3 *
 4 *  This program is free software; you can distribute it and/or modify it
 5 *  under the terms of the GNU General Public License (Version 2) as
 6 *  published by the Free Software Foundation.
 7 *
 8 *  This program is distributed in the hope it will be useful, but WITHOUT
 9 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11 *  for more details.
12 *
13 *  You should have received a copy of the GNU General Public License along
14 *  with this program; if not, write to the Free Software Foundation, Inc.,
15 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16 *
17 */
18
19#include <linux/init.h>
20#include <linux/string.h>
21#include <linux/kernel.h>
22#include <linux/io.h>
23#include <linux/irq.h>
24#include <linux/ioport.h>
25#include <linux/tty.h>
26#include <linux/serial.h>
27#include <linux/serial_core.h>
28#include <linux/serial_8250.h>
29
30#include <asm/cpu.h>
31#include <asm/bootinfo.h>
32#include <asm/mips-boards/generic.h>
33#include <asm/mips-boards/prom.h>
34#include <asm/time.h>
35#include <asm/mips-boards/sim.h>
36#include <asm/mips-boards/simint.h>
37#include <asm/smp-ops.h>
38
39
40static void __init serial_init(void);
41unsigned int _isbonito;
42
43const char *get_system_type(void)
44{
45	return "MIPSsim";
46}
47
48void __init plat_mem_setup(void)
49{
50	set_io_port_base(0xbfd00000);
51
52	serial_init();
53}
54
55extern struct plat_smp_ops ssmtc_smp_ops;
56
57void __init prom_init(void)
58{
59	set_io_port_base(0xbfd00000);
60
61	prom_meminit();
62
63	if (cpu_has_mipsmt) {
64		if (!register_vsmp_smp_ops())
65			return;
66
67#ifdef CONFIG_MIPS_MT_SMTC
68		register_smp_ops(&ssmtc_smp_ops);
69			return;
70#endif
71	}
72
73	register_up_smp_ops();
74}
75
76static void __init serial_init(void)
77{
78#ifdef CONFIG_SERIAL_8250
79	struct uart_port s;
80
81	memset(&s, 0, sizeof(s));
82
83	s.iobase = 0x3f8;
84
85	/* hardware int 4 - the serial int, is CPU int 6
86	 but poll for now */
87	s.irq =  0;
88	s.uartclk = 1843200;
89	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
90	s.iotype = UPIO_PORT;
91	s.regshift = 0;
92	s.timeout = 4;
93
94	if (early_serial_setup(&s) != 0) {
95		printk(KERN_ERR "Serial setup failed!\n");
96	}
97
98#endif
99}