2 * Copyright 2001 MontaVista Software Inc.
3 * Author: jsun@mvista.com or jsun@junsun.net
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
10 #include <linux/init.h>
12 #include <linux/sched.h>
13 #include <linux/bootmem.h>
15 #include <asm/addrspace.h>
16 #include <asm/bootinfo.h>
19 struct callvectors* debug_vectors;
21 extern unsigned long gt64120_base;
23 const char *get_system_type(void)
25 return "Momentum Ocelot";
28 /* [jsun@junsun.net] PMON passes arguments in C main() style */
29 void __init prom_init(void)
32 char **arg = (char **) fw_arg1;
33 char **env = (char **) fw_arg2;
34 struct callvectors *cv = (struct callvectors *) fw_arg3;
37 /* save the PROM vectors for debugging use */
40 /* arg[0] is "g", the rest is boot parameters */
41 arcs_cmdline[0] = '\0';
42 for (i = 1; i < argc; i++) {
43 if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
44 >= sizeof(arcs_cmdline))
46 strcat(arcs_cmdline, arg[i]);
47 strcat(arcs_cmdline, " ");
50 mips_machgroup = MACH_GROUP_MOMENCO;
51 mips_machtype = MACH_MOMENCO_OCELOT;
54 if (strncmp("gtbase", *env, 6) == 0) {
55 gt64120_base = simple_strtol(*env + strlen("gtbase="),
62 debug_vectors->printf("Booting Linux kernel...\n");
64 /* All the boards have at least 64MiB. If there's more, we
65 detect and register it later */
66 add_memory_region(0, 64 << 20, BOOT_MEM_RAM);
69 void __init prom_free_prom_memory(void)