/* * * BRIEF MODULE DESCRIPTION * PB1000 board setup * * Copyright 2001 MontaVista Software Inc. * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * 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., * 675 Mass Ave, Cambridge, MA 02139, 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 <linux/config.h> #include <linux/string.h> #include <linux/kernel.h> int prom_argc; char **prom_argv, **prom_envp; extern void __init prom_init_cmdline(void); extern char *prom_getenv(char *envname); const char *get_system_type(void) { #ifdef CONFIG_MIPS_BOSPORUS return "Alchemy Bosporus Gateway Reference"; #else return "Alchemy Db1x00"; #endif } int __init prom_init(int argc, char **argv, char **envp, int *prom_vec) { unsigned char *memsize_str; unsigned long memsize; prom_argc = argc; prom_argv = argv; prom_envp = envp; mips_machgroup = MACH_GROUP_ALCHEMY; mips_machtype = MACH_DB1000; /* set the platform # */ prom_init_cmdline(); memsize_str = prom_getenv("memsize"); if (!memsize_str) { memsize = 0x04000000; } else { memsize = simple_strtol(memsize_str, NULL, 0); } add_memory_region(0, memsize, BOOT_MEM_RAM); return 0; }