blob: 15a5dac4ae19ad1122b99e06c2f4abc1813e959b [file] [log] [blame]
Ralf Baechlec78cbf42005-09-30 13:59:37 +01001/*
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/config.h>
20#include <linux/init.h>
21#include <linux/string.h>
22#include <linux/kernel.h>
23#include <linux/ioport.h>
24#include <linux/tty.h>
25#include <linux/serial.h>
26#include <linux/serial_core.h>
27
28#include <asm/cpu.h>
29#include <asm/bootinfo.h>
30#include <asm/irq.h>
31#include <asm/mips-boards/generic.h>
32#include <asm/mips-boards/prom.h>
33#include <asm/serial.h>
34#include <asm/io.h>
35#include <asm/time.h>
36#include <asm/mips-boards/sim.h>
37#include <asm/mips-boards/simint.h>
38
39
40extern void sim_time_init(void);
41extern void sim_timer_setup(struct irqaction *irq);
42static void __init serial_init(void);
43unsigned int _isbonito = 0;
44
45extern void __init sanitize_tlb_entries(void);
46
47
48const char *get_system_type(void)
49{
50 return "MIPSsim";
51}
52
Ralf Baechle2925aba2006-06-18 01:32:22 +010053void __init plat_mem_setup(void)
Ralf Baechlec78cbf42005-09-30 13:59:37 +010054{
55 set_io_port_base(0xbfd00000);
56
57 serial_init();
58
59 board_time_init = sim_time_init;
60 board_timer_setup = sim_timer_setup;
61 prom_printf("Linux started...\n");
62
63#ifdef CONFIG_MT_SMP
64 sanitize_tlb_entries();
65#endif
66}
67
68void prom_init(void)
69{
70 set_io_port_base(0xbfd00000);
71
72 prom_printf("\nLINUX started...\n");
73 prom_init_cmdline();
74 prom_meminit();
75}
76
77
78static void __init serial_init(void)
79{
80#ifdef CONFIG_SERIAL_8250
81 struct uart_port s;
82
83 memset(&s, 0, sizeof(s));
84
85 s.iobase = 0x3f8;
86
87 /* hardware int 4 - the serial int, is CPU int 6
88 but poll for now */
89 s.irq = 0;
90 s.uartclk = BASE_BAUD * 16;
Russell King59a675b2006-02-05 10:52:29 +000091 s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
Russell King9b4a1612006-02-05 10:48:10 +000092 s.iotype = UPIO_PORT;
Ralf Baechlec78cbf42005-09-30 13:59:37 +010093 s.regshift = 0;
94 s.timeout = 4;
95
96 if (early_serial_setup(&s) != 0) {
97 prom_printf(KERN_ERR "Serial setup failed!\n");
98 }
99
100#endif
101}