prom.c
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:1k
- /*
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/vr4181/osprey/prom.c
- * prom code for osprey.
- *
- * 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.
- *
- */
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/string.h>
- #include <linux/mm.h>
- #include <linux/bootmem.h>
- #include <asm/bootinfo.h>
- #include <asm/addrspace.h>
- char arcs_cmdline[CL_SIZE];
- const char *get_system_type(void)
- {
- return "NEC_Vr41xx Osprey";
- }
- /*
- * [jsun] right now we assume it is the nec debug monitor, which does
- * not pass any arguments.
- */
- void __init prom_init()
- {
- strcpy(arcs_cmdline, "ip=bootp ");
- strcat(arcs_cmdline, "ether=46,0x03fe0300,eth0 ");
- // strcpy(arcs_cmdline, "ether=0,0x0300,eth0 "
- // strcat(arcs_cmdline, "video=vr4181fb:xres:240,yres:320,bpp:8 ");
- mips_machgroup = MACH_GROUP_NEC_VR41XX;
- mips_machtype = MACH_NEC_OSPREY;
- /* 16MB fixed */
- add_memory_region(0, 16 << 20, BOOT_MEM_RAM);
- }
- void __init prom_free_prom_memory(void)
- {
- }
- void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
- {
- }