Commit | Line | Data |
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355c471f | 1 | /* |
355c471f | 2 | * Copyright (C) NEC Electronics Corporation 2004-2006 |
3 | * | |
4 | * This file is based on the arch/mips/ddb5xxx/common/prom.c | |
5 | * | |
6 | * Copyright 2001 MontaVista Software Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
355c471f | 22 | #include <linux/init.h> |
23 | #include <linux/mm.h> | |
24 | #include <linux/sched.h> | |
25 | #include <linux/bootmem.h> | |
26 | ||
27 | #include <asm/addrspace.h> | |
28 | #include <asm/bootinfo.h> | |
d91f2cbe | 29 | #include <asm/emma/emma2rh.h> |
355c471f | 30 | |
31 | const char *get_system_type(void) | |
32 | { | |
cd741b60 | 33 | #ifdef CONFIG_NEC_MARKEINS |
0b56fd8c TB |
34 | return "NEC EMMA2RH Mark-eins"; |
35 | #else | |
36 | #error Unknown NEC board | |
37 | #endif | |
355c471f | 38 | } |
39 | ||
40 | /* [jsun@junsun.net] PMON passes arguments in C main() style */ | |
41 | void __init prom_init(void) | |
42 | { | |
43 | int argc = fw_arg0; | |
44 | char **arg = (char **)fw_arg1; | |
45 | int i; | |
46 | ||
47 | /* if user passes kernel args, ignore the default one */ | |
48 | if (argc > 1) | |
49 | arcs_cmdline[0] = '\0'; | |
50 | ||
51 | /* arg[0] is "g", the rest is boot parameters */ | |
52 | for (i = 1; i < argc; i++) { | |
617d1017 | 53 | if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 |
355c471f | 54 | >= sizeof(arcs_cmdline)) |
55 | break; | |
56 | strcat(arcs_cmdline, arg[i]); | |
57 | strcat(arcs_cmdline, " "); | |
58 | } | |
59 | ||
cd741b60 | 60 | #ifdef CONFIG_NEC_MARKEINS |
355c471f | 61 | add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM); |
0b56fd8c TB |
62 | #else |
63 | #error Unknown NEC board | |
355c471f | 64 | #endif |
355c471f | 65 | } |
66 | ||
67 | void __init prom_free_prom_memory(void) | |
68 | { | |
69 | } |