Linux-2.6.12-rc2
[linux-2.6/kvm.git] / arch / mips / momentum / ocelot_g / prom.c
blob6b4f577c275734790e92a65c3ecab89f97e1a93a
1 /*
2 * Copyright 2002 Momentum Computer Inc.
3 * Author: Matthew Dharm <mdharm@momenco.com>
5 * Based on Ocelot Linux port, which is
6 * Copyright 2001 MontaVista Software Inc.
7 * Author: jsun@mvista.com or jsun@junsun.net
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 #include <linux/config.h>
15 #include <linux/init.h>
16 #include <linux/mm.h>
17 #include <linux/sched.h>
18 #include <linux/bootmem.h>
20 #include <asm/addrspace.h>
21 #include <asm/bootinfo.h>
22 #include <asm/pmon.h>
23 #include <asm/gt64240.h>
25 #include "ocelot_pld.h"
27 struct callvectors* debug_vectors;
29 extern unsigned long marvell_base;
30 extern unsigned long bus_clock;
32 #ifdef CONFIG_GALILLEO_GT64240_ETH
33 extern unsigned char prom_mac_addr_base[6];
34 #endif
36 const char *get_system_type(void)
38 return "Momentum Ocelot";
41 void __init prom_init(void)
43 int argc = fw_arg0;
44 char **arg = (char **) fw_arg1;
45 char **env = (char **) fw_arg2;
46 struct callvectors *cv = (struct callvectors *) fw_arg3;
47 int i;
49 /* save the PROM vectors for debugging use */
50 debug_vectors = cv;
52 /* arg[0] is "g", the rest is boot parameters */
53 arcs_cmdline[0] = '\0';
54 for (i = 1; i < argc; i++) {
55 if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
56 >= sizeof(arcs_cmdline))
57 break;
58 strcat(arcs_cmdline, arg[i]);
59 strcat(arcs_cmdline, " ");
62 mips_machgroup = MACH_GROUP_MOMENCO;
63 mips_machtype = MACH_MOMENCO_OCELOT_G;
65 #ifdef CONFIG_GALILLEO_GT64240_ETH
66 /* get the base MAC address for on-board ethernet ports */
67 memcpy(prom_mac_addr_base, (void*)0xfc807cf2, 6);
68 #endif
70 while (*env) {
71 if (strncmp("gtbase", *env, strlen("gtbase")) == 0) {
72 marvell_base = simple_strtol(*env + strlen("gtbase="),
73 NULL, 16);
75 if (strncmp("busclock", *env, strlen("busclock")) == 0) {
76 bus_clock = simple_strtol(*env + strlen("busclock="),
77 NULL, 10);
79 env++;
83 unsigned long __init prom_free_prom_memory(void)
85 return 0;