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
38
39 static void __init serial_init(void);
40 unsigned int _isbonito = 0;
41
get_system_type(void)42 const char *get_system_type(void)
43 {
44 return "MIPSsim";
45 }
46
plat_mem_setup(void)47 void __init plat_mem_setup(void)
48 {
49 set_io_port_base(0xbfd00000);
50
51 serial_init();
52
53 pr_info("Linux started...\n");
54
55 }
56
57 extern struct plat_smp_ops ssmtc_smp_ops;
58
prom_init(void)59 void __init prom_init(void)
60 {
61 set_io_port_base(0xbfd00000);
62
63 pr_info("\nLINUX started...\n");
64 prom_init_cmdline();
65 prom_meminit();
66
67 #ifdef CONFIG_MIPS_MT_SMP
68 if (cpu_has_mipsmt)
69 register_smp_ops(&vsmp_smp_ops);
70 else
71 register_smp_ops(&up_smp_ops);
72 #endif
73 #ifdef CONFIG_MIPS_MT_SMTC
74 if (cpu_has_mipsmt)
75 register_smp_ops(&ssmtc_smp_ops);
76 else
77 register_smp_ops(&up_smp_ops);
78 #endif
79 }
80
serial_init(void)81 static void __init serial_init(void)
82 {
83 #ifdef CONFIG_SERIAL_8250
84 struct uart_port s;
85
86 memset(&s, 0, sizeof(s));
87
88 s.iobase = 0x3f8;
89
90 /* hardware int 4 - the serial int, is CPU int 6
91 but poll for now */
92 s.irq = 0;
93 s.uartclk = 1843200;
94 s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
95 s.iotype = UPIO_PORT;
96 s.regshift = 0;
97 s.timeout = 4;
98
99 if (early_serial_setup(&s) != 0) {
100 printk(KERN_ERR "Serial setup failed!\n");
101 }
102
103 #endif
104 }
105