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/*
* arch/mips/emma2rh/common/prom.c
* This file is prom file.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This file is based on the arch/mips/ddb5xxx/common/prom.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/bootmem.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/emma2rh/emma2rh.h>
#include <asm/debug.h>
const char *get_system_type(void)
{
switch (mips_machtype) {
case MACH_NEC_MARKEINS:
return "NEC EMMA2RH Mark-eins";
default:
return "Unknown NEC board";
}
}
/* [jsun@junsun.net] PMON passes arguments in C main() style */
void __init prom_init(void)
{
int argc = fw_arg0;
char **arg = (char **)fw_arg1;
int i;
/* if user passes kernel args, ignore the default one */
if (argc > 1)
arcs_cmdline[0] = '\0';
/* arg[0] is "g", the rest is boot parameters */
for (i = 1; i < argc; i++) {
if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
>= sizeof(arcs_cmdline))
break;
strcat(arcs_cmdline, arg[i]);
strcat(arcs_cmdline, " ");
}
mips_machgroup = MACH_GROUP_NEC_EMMA2RH;
#if defined(CONFIG_MARKEINS)
mips_machtype = MACH_NEC_MARKEINS;
add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
#endif
}
void __init prom_free_prom_memory(void)
{
}
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