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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> | |
22 | #include <linux/ioport.h> | |
23 | #include <linux/tty.h> | |
24 | #include <linux/serial.h> | |
25 | #include <linux/serial_core.h> | |
26 | ||
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/serial.h> | |
33 | #include <asm/io.h> | |
34 | #include <asm/time.h> | |
35 | #include <asm/mips-boards/sim.h> | |
36 | #include <asm/mips-boards/simint.h> | |
37 | ||
38 | ||
39 | extern void sim_time_init(void); | |
c78cbf49 RB |
40 | static void __init serial_init(void); |
41 | unsigned int _isbonito = 0; | |
42 | ||
43 | extern void __init sanitize_tlb_entries(void); | |
44 | ||
45 | ||
46 | const char *get_system_type(void) | |
47 | { | |
48 | return "MIPSsim"; | |
49 | } | |
50 | ||
2925aba4 | 51 | void __init plat_mem_setup(void) |
c78cbf49 RB |
52 | { |
53 | set_io_port_base(0xbfd00000); | |
54 | ||
55 | serial_init(); | |
56 | ||
57 | board_time_init = sim_time_init; | |
c78cbf49 RB |
58 | prom_printf("Linux started...\n"); |
59 | ||
60 | #ifdef CONFIG_MT_SMP | |
61 | sanitize_tlb_entries(); | |
62 | #endif | |
63 | } | |
64 | ||
65 | void prom_init(void) | |
66 | { | |
67 | set_io_port_base(0xbfd00000); | |
68 | ||
69 | prom_printf("\nLINUX started...\n"); | |
70 | prom_init_cmdline(); | |
71 | prom_meminit(); | |
72 | } | |
73 | ||
74 | ||
75 | static void __init serial_init(void) | |
76 | { | |
77 | #ifdef CONFIG_SERIAL_8250 | |
78 | struct uart_port s; | |
79 | ||
80 | memset(&s, 0, sizeof(s)); | |
81 | ||
82 | s.iobase = 0x3f8; | |
83 | ||
84 | /* hardware int 4 - the serial int, is CPU int 6 | |
85 | but poll for now */ | |
86 | s.irq = 0; | |
87 | s.uartclk = BASE_BAUD * 16; | |
59a675b2 | 88 | s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; |
9b4a1617 | 89 | s.iotype = UPIO_PORT; |
c78cbf49 RB |
90 | s.regshift = 0; |
91 | s.timeout = 4; | |
92 | ||
93 | if (early_serial_setup(&s) != 0) { | |
94 | prom_printf(KERN_ERR "Serial setup failed!\n"); | |
95 | } | |
96 | ||
97 | #endif | |
98 | } |