1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// SPDX-License-Identifier: GPL-2.0
/*
* idprom.c: Routines to load the idprom into kernel addresses and
* interpret the data contained within.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Sun3/3x models added by David Monro (davidm@psrg.cs.usyd.edu.au)
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/oplib.h>
#include <asm/idprom.h>
#include <asm/machines.h> /* Fun with Sun released architectures. */
struct idprom *idprom;
EXPORT_SYMBOL(idprom);
static struct idprom idprom_buffer;
/* Here is the master table of Sun machines which use some implementation
* of the Sparc CPU and have a meaningful IDPROM machtype value that we
* know about. See asm-sparc/machines.h for empirical constants.
*/
static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
/* First, Sun3's */
{ .name = "Sun 3/160 Series", .id_machtype = (SM_SUN3 | SM_3_160) },
{ .name = "Sun 3/50", .id_machtype = (SM_SUN3 | SM_3_50) },
{ .name = "Sun 3/260 Series", .id_machtype = (SM_SUN3 | SM_3_260) },
{ .name = "Sun 3/110 Series", .id_machtype = (SM_SUN3 | SM_3_110) },
{ .name = "Sun 3/60", .id_machtype = (SM_SUN3 | SM_3_60) },
{ .name = "Sun 3/E", .id_machtype = (SM_SUN3 | SM_3_E) },
/* Now, Sun3x's */
{ .name = "Sun 3/460 Series", .id_machtype = (SM_SUN3X | SM_3_460) },
{ .name = "Sun 3/80", .id_machtype = (SM_SUN3X | SM_3_80) },
/* Then, Sun4's */
// { .name = "Sun 4/100 Series", .id_machtype = (SM_SUN4 | SM_4_110) },
// { .name = "Sun 4/200 Series", .id_machtype = (SM_SUN4 | SM_4_260) },
// { .name = "Sun 4/300 Series", .id_machtype = (SM_SUN4 | SM_4_330) },
// { .name = "Sun 4/400 Series", .id_machtype = (SM_SUN4 | SM_4_470) },
/* And now, Sun4c's */
// { .name = "Sun4c SparcStation 1", .id_machtype = (SM_SUN4C | SM_4C_SS1) },
// { .name = "Sun4c SparcStation IPC", .id_machtype = (SM_SUN4C | SM_4C_IPC) },
// { .name = "Sun4c SparcStation 1+", .id_machtype = (SM_SUN4C | SM_4C_SS1PLUS) },
// { .name = "Sun4c SparcStation SLC", .id_machtype = (SM_SUN4C | SM_4C_SLC) },
// { .name = "Sun4c SparcStation 2", .id_machtype = (SM_SUN4C | SM_4C_SS2) },
// { .name = "Sun4c SparcStation ELC", .id_machtype = (SM_SUN4C | SM_4C_ELC) },
// { .name = "Sun4c SparcStation IPX", .id_machtype = (SM_SUN4C | SM_4C_IPX) },
/* Finally, early Sun4m's */
// { .name = "Sun4m SparcSystem600", .id_machtype = (SM_SUN4M | SM_4M_SS60) },
// { .name = "Sun4m SparcStation10/20", .id_machtype = (SM_SUN4M | SM_4M_SS50) },
// { .name = "Sun4m SparcStation5", .id_machtype = (SM_SUN4M | SM_4M_SS40) },
/* One entry for the OBP arch's which are sun4d, sun4e, and newer sun4m's */
// { .name = "Sun4M OBP based system", .id_machtype = (SM_SUN4M_OBP | 0x0) }
};
static void __init display_system_type(unsigned char machtype)
{
register int i;
for (i = 0; i < NUM_SUN_MACHINES; i++) {
if(Sun_Machines[i].id_machtype == machtype) {
if (machtype != (SM_SUN4M_OBP | 0x00))
pr_info("TYPE: %s\n", Sun_Machines[i].name);
else {
#if 0
char sysname[128];
prom_getproperty(prom_root_node, "banner-name",
sysname, sizeof(sysname));
pr_info("TYPE: %s\n", sysname);
#endif
}
return;
}
}
prom_printf("IDPROM: Bogus id_machtype value, 0x%x\n", machtype);
prom_halt();
}
void sun3_get_model(unsigned char* model)
{
register int i;
for (i = 0; i < NUM_SUN_MACHINES; i++) {
if(Sun_Machines[i].id_machtype == idprom->id_machtype) {
strcpy(model, Sun_Machines[i].name);
return;
}
}
}
/* Calculate the IDPROM checksum (xor of the data bytes). */
static unsigned char __init calc_idprom_cksum(struct idprom *idprom)
{
unsigned char cksum, i, *ptr = (unsigned char *)idprom;
for (i = cksum = 0; i <= 0x0E; i++)
cksum ^= *ptr++;
return cksum;
}
/* Create a local IDPROM copy, verify integrity, and display information. */
void __init idprom_init(void)
{
prom_get_idprom((char *) &idprom_buffer, sizeof(idprom_buffer));
idprom = &idprom_buffer;
if (idprom->id_format != 0x01) {
prom_printf("IDPROM: Unknown format type!\n");
prom_halt();
}
if (idprom->id_cksum != calc_idprom_cksum(idprom)) {
prom_printf("IDPROM: Checksum failure (nvram=%x, calc=%x)!\n",
idprom->id_cksum, calc_idprom_cksum(idprom));
prom_halt();
}
display_system_type(idprom->id_machtype);
pr_info("Ethernet address: %pM\n", idprom->id_ethaddr);
}
|
