3 * BRIEF MODULE DESCRIPTION
4 * Cogent CSB250 board setup
6 * Copyright 2002 Cogent Computer Systems, Inc.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/init.h>
32 #include <linux/sched.h>
33 #include <linux/bootmem.h>
34 #include <asm/addrspace.h>
35 #include <asm/bootinfo.h>
36 #include <linux/string.h>
37 #include <linux/kernel.h>
40 char **prom_argv, **prom_envp;
41 extern void __init prom_init_cmdline(void);
42 extern char *prom_getenv(char *envname);
44 /* When we get initrd working someday.........
46 int my_initrd_start, my_initrd_size;
48 /* Start arguments and environment.
50 static char *csb_env[2];
51 static char *csb_arg[4];
52 static char *arg1 = "console=ttyS3,38400";
53 static char *arg2 = "root=/dev/nfs rw ip=any";
54 static char *env1 = "ethaddr=00:30:23:50:00:00";
56 const char *get_system_type(void)
58 return "Cogent CSB250";
61 int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
63 unsigned char *memsize_str;
64 unsigned long memsize;
66 /* We use a0 and a1 to pass initrd start and size.
68 if (((unsigned int) argc > 0) && ((uint)argv > 0)) {
69 my_initrd_start = (unsigned int)argc;
70 my_initrd_size = (unsigned int)argv;
73 /* First argv is ignored.
82 mips_machgroup = MACH_GROUP_ALCHEMY;
83 mips_machtype = MACH_CSB250;
86 memsize_str = prom_getenv("memsize");
90 memsize = simple_strtol(memsize_str, NULL, 0);
92 add_memory_region(0, memsize, BOOT_MEM_RAM);