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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - arch/mips/emma/common/prom.c
2 * Copyright (C) NEC Electronics Corporation 2004-2006
4 * This file is based on the arch/mips/ddb5xxx/common/prom.c
6 * Copyright 2001 MontaVista Software Inc.
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.
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.
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
22 #include <linux/init.h>
24 #include <linux/sched.h>
25 #include <linux/bootmem.h>
27 #include <asm/addrspace.h>
28 #include <asm/bootinfo.h>
29 #include <asm/emma/emma2rh.h>
31 const char *get_system_type(void)
33 #ifdef CONFIG_NEC_MARKEINS
34 return "NEC EMMA2RH Mark-eins";
36 #error Unknown NEC board
40 /* [jsun@junsun.net] PMON passes arguments in C main() style */
41 void __init
prom_init(void)
44 char **arg
= (char **)fw_arg1
;
47 /* if user passes kernel args, ignore the default one */
49 arcs_cmdline
[0] = '\0';
51 /* arg[0] is "g", the rest is boot parameters */
52 for (i
= 1; i
< argc
; i
++) {
53 if (strlen(arcs_cmdline
) + strlen(arg
[i
]) + 1
54 >= sizeof(arcs_cmdline
))
56 strcat(arcs_cmdline
, arg
[i
]);
57 strcat(arcs_cmdline
, " ");
60 #ifdef CONFIG_NEC_MARKEINS
61 add_memory_region(0, EMMA2RH_RAM_SIZE
, BOOT_MEM_RAM
);
63 #error Unknown NEC board
67 void __init
prom_free_prom_memory(void)