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10#include <linux/module.h>
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/init.h>
14#include <linux/string.h>
15
16#include <asm/oplib.h>
17#include <asm/idprom.h>
18#include <asm/machines.h>
19
20struct idprom *idprom;
21EXPORT_SYMBOL(idprom);
22
23static struct idprom idprom_buffer;
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29static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
30
31 { .name = "Sun 3/160 Series", .id_machtype = (SM_SUN3 | SM_3_160) },
32 { .name = "Sun 3/50", .id_machtype = (SM_SUN3 | SM_3_50) },
33 { .name = "Sun 3/260 Series", .id_machtype = (SM_SUN3 | SM_3_260) },
34 { .name = "Sun 3/110 Series", .id_machtype = (SM_SUN3 | SM_3_110) },
35 { .name = "Sun 3/60", .id_machtype = (SM_SUN3 | SM_3_60) },
36 { .name = "Sun 3/E", .id_machtype = (SM_SUN3 | SM_3_E) },
37
38 { .name = "Sun 3/460 Series", .id_machtype = (SM_SUN3X | SM_3_460) },
39 { .name = "Sun 3/80", .id_machtype = (SM_SUN3X | SM_3_80) },
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59};
60
61static void __init display_system_type(unsigned char machtype)
62{
63 register int i;
64
65 for (i = 0; i < NUM_SUN_MACHINES; i++) {
66 if(Sun_Machines[i].id_machtype == machtype) {
67 if (machtype != (SM_SUN4M_OBP | 0x00))
68 pr_info("TYPE: %s\n", Sun_Machines[i].name);
69 else {
70#if 0
71 char sysname[128];
72
73 prom_getproperty(prom_root_node, "banner-name",
74 sysname, sizeof(sysname));
75 pr_info("TYPE: %s\n", sysname);
76#endif
77 }
78 return;
79 }
80 }
81
82 prom_printf("IDPROM: Bogus id_machtype value, 0x%x\n", machtype);
83 prom_halt();
84}
85
86void sun3_get_model(unsigned char* model)
87{
88 register int i;
89
90 for (i = 0; i < NUM_SUN_MACHINES; i++) {
91 if(Sun_Machines[i].id_machtype == idprom->id_machtype) {
92 strcpy(model, Sun_Machines[i].name);
93 return;
94 }
95 }
96}
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100
101static unsigned char __init calc_idprom_cksum(struct idprom *idprom)
102{
103 unsigned char cksum, i, *ptr = (unsigned char *)idprom;
104
105 for (i = cksum = 0; i <= 0x0E; i++)
106 cksum ^= *ptr++;
107
108 return cksum;
109}
110
111
112void __init idprom_init(void)
113{
114 prom_get_idprom((char *) &idprom_buffer, sizeof(idprom_buffer));
115
116 idprom = &idprom_buffer;
117
118 if (idprom->id_format != 0x01) {
119 prom_printf("IDPROM: Unknown format type!\n");
120 prom_halt();
121 }
122
123 if (idprom->id_cksum != calc_idprom_cksum(idprom)) {
124 prom_printf("IDPROM: Checksum failure (nvram=%x, calc=%x)!\n",
125 idprom->id_cksum, calc_idprom_cksum(idprom));
126 prom_halt();
127 }
128
129 display_system_type(idprom->id_machtype);
130
131 pr_info("Ethernet address: %pM\n", idprom->id_ethaddr);
132}
133