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1da177e4 LT |
1 | /* |
2 | * Copyright 2002 Momentum Computer Inc. | |
3 | * Author: Matthew Dharm <mdharm@momenco.com> | |
4 | * | |
5 | * Based on Ocelot Linux port, which is | |
6 | * Copyright 2001 MontaVista Software Inc. | |
7 | * Author: jsun@mvista.com or jsun@junsun.net | |
8 | * | |
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. | |
13 | */ | |
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> | |
19 | ||
20 | #include <asm/addrspace.h> | |
21 | #include <asm/bootinfo.h> | |
22 | #include <asm/pmon.h> | |
23 | #include <asm/gt64240.h> | |
24 | ||
25 | #include "ocelot_pld.h" | |
26 | ||
27 | struct callvectors* debug_vectors; | |
28 | ||
29 | extern unsigned long marvell_base; | |
30 | extern unsigned long bus_clock; | |
31 | ||
32 | #ifdef CONFIG_GALILLEO_GT64240_ETH | |
33 | extern unsigned char prom_mac_addr_base[6]; | |
34 | #endif | |
35 | ||
36 | const char *get_system_type(void) | |
37 | { | |
38 | return "Momentum Ocelot"; | |
39 | } | |
40 | ||
41 | void __init prom_init(void) | |
42 | { | |
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; | |
48 | ||
49 | /* save the PROM vectors for debugging use */ | |
50 | debug_vectors = cv; | |
51 | ||
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, " "); | |
60 | } | |
61 | ||
62 | mips_machgroup = MACH_GROUP_MOMENCO; | |
63 | mips_machtype = MACH_MOMENCO_OCELOT_G; | |
64 | ||
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 | |
69 | ||
70 | while (*env) { | |
71 | if (strncmp("gtbase", *env, strlen("gtbase")) == 0) { | |
72 | marvell_base = simple_strtol(*env + strlen("gtbase="), | |
73 | NULL, 16); | |
74 | } | |
75 | if (strncmp("busclock", *env, strlen("busclock")) == 0) { | |
76 | bus_clock = simple_strtol(*env + strlen("busclock="), | |
77 | NULL, 10); | |
78 | } | |
79 | env++; | |
80 | } | |
81 | } | |
82 | ||
83 | unsigned long __init prom_free_prom_memory(void) | |
84 | { | |
85 | return 0; | |
86 | } |