Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2001 MontaVista Software Inc. |
| 3 | * Author: jsun@mvista.com or jsun@junsun.net |
| 4 | * |
| 5 | * arch/mips/vr4181/osprey/prom.c |
| 6 | * prom code for osprey. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | */ |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/string.h> |
| 17 | #include <linux/mm.h> |
| 18 | #include <linux/bootmem.h> |
| 19 | #include <asm/bootinfo.h> |
| 20 | #include <asm/addrspace.h> |
| 21 | |
| 22 | const char *get_system_type(void) |
| 23 | { |
| 24 | return "NEC_Vr41xx Osprey"; |
| 25 | } |
| 26 | |
| 27 | /* |
| 28 | * [jsun] right now we assume it is the nec debug monitor, which does |
| 29 | * not pass any arguments. |
| 30 | */ |
| 31 | void __init prom_init(void) |
| 32 | { |
| 33 | // cmdline is now set in default config |
| 34 | // strcpy(arcs_cmdline, "ip=bootp "); |
| 35 | // strcat(arcs_cmdline, "ether=46,0x03fe0300,eth0 "); |
| 36 | // strcpy(arcs_cmdline, "ether=0,0x0300,eth0 " |
| 37 | // strcat(arcs_cmdline, "video=vr4181fb:xres:240,yres:320,bpp:8 "); |
| 38 | |
| 39 | mips_machgroup = MACH_GROUP_NEC_VR41XX; |
| 40 | mips_machtype = MACH_NEC_OSPREY; |
| 41 | |
| 42 | /* 16MB fixed */ |
| 43 | add_memory_region(0, 16 << 20, BOOT_MEM_RAM); |
| 44 | } |
| 45 | |
| 46 | unsigned long __init prom_free_prom_memory(void) |
| 47 | { |
| 48 | return 0; |
| 49 | } |