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c78cbf49 RB |
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 | ||
c78cbf49 RB |
19 | #include <linux/init.h> |
20 | #include <linux/string.h> | |
21 | #include <linux/kernel.h> | |
f6e2373a RB |
22 | #include <linux/io.h> |
23 | #include <linux/irq.h> | |
c78cbf49 RB |
24 | #include <linux/ioport.h> |
25 | #include <linux/tty.h> | |
26 | #include <linux/serial.h> | |
27 | #include <linux/serial_core.h> | |
b187f180 | 28 | #include <linux/serial_8250.h> |
c78cbf49 RB |
29 | |
30 | #include <asm/cpu.h> | |
31 | #include <asm/bootinfo.h> | |
c78cbf49 RB |
32 | #include <asm/mips-boards/generic.h> |
33 | #include <asm/mips-boards/prom.h> | |
c78cbf49 RB |
34 | #include <asm/time.h> |
35 | #include <asm/mips-boards/sim.h> | |
36 | #include <asm/mips-boards/simint.h> | |
37 | ||
38 | ||
c78cbf49 | 39 | static void __init serial_init(void); |
982f6ffe | 40 | unsigned int _isbonito; |
c78cbf49 | 41 | |
c78cbf49 RB |
42 | const char *get_system_type(void) |
43 | { | |
44 | return "MIPSsim"; | |
45 | } | |
46 | ||
2925aba4 | 47 | void __init plat_mem_setup(void) |
c78cbf49 RB |
48 | { |
49 | set_io_port_base(0xbfd00000); | |
50 | ||
51 | serial_init(); | |
52 | ||
36a88530 | 53 | pr_info("Linux started...\n"); |
c78cbf49 | 54 | |
c78cbf49 RB |
55 | } |
56 | ||
87353d8a RB |
57 | extern struct plat_smp_ops ssmtc_smp_ops; |
58 | ||
f6e2373a | 59 | void __init prom_init(void) |
c78cbf49 RB |
60 | { |
61 | set_io_port_base(0xbfd00000); | |
62 | ||
36a88530 | 63 | pr_info("\nLINUX started...\n"); |
c78cbf49 RB |
64 | prom_init_cmdline(); |
65 | prom_meminit(); | |
c78cbf49 | 66 | |
87353d8a RB |
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 | } | |
c78cbf49 RB |
80 | |
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; | |
a74b4605 | 93 | s.uartclk = 1843200; |
59a675b2 | 94 | s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; |
9b4a1617 | 95 | s.iotype = UPIO_PORT; |
c78cbf49 RB |
96 | s.regshift = 0; |
97 | s.timeout = 4; | |
98 | ||
99 | if (early_serial_setup(&s) != 0) { | |
36a88530 | 100 | printk(KERN_ERR "Serial setup failed!\n"); |
c78cbf49 RB |
101 | } |
102 | ||
103 | #endif | |
104 | } |