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