| /* |
| * 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/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) |
| { |
| #if defined(CONFIG_MARKEINS) |
| return "NEC EMMA2RH Mark-eins"; |
| #else |
| #error Unknown NEC board |
| #endif |
| } |
| |
| /* [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, " "); |
| } |
| |
| #if defined(CONFIG_MARKEINS) |
| add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM); |
| #else |
| #error Unknown NEC board |
| #endif |
| } |
| |
| void __init prom_free_prom_memory(void) |
| { |
| } |