| 1 |
1275 |
phoenix |
/* $Id: idprom.c,v 1.1.1.1 2004-04-15 01:24:34 phoenix Exp $
|
| 2 |
|
|
* idprom.c: Routines to load the idprom into kernel addresses and
|
| 3 |
|
|
* interpret the data contained within.
|
| 4 |
|
|
*
|
| 5 |
|
|
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
|
| 6 |
|
|
* Sun3/3x models added by David Monro (davidm@psrg.cs.usyd.edu.au)
|
| 7 |
|
|
*/
|
| 8 |
|
|
|
| 9 |
|
|
#include <linux/kernel.h>
|
| 10 |
|
|
#include <linux/types.h>
|
| 11 |
|
|
#include <linux/init.h>
|
| 12 |
|
|
#include <linux/string.h>
|
| 13 |
|
|
|
| 14 |
|
|
#include <asm/oplib.h>
|
| 15 |
|
|
#include <asm/idprom.h>
|
| 16 |
|
|
#include <asm/machines.h> /* Fun with Sun released architectures. */
|
| 17 |
|
|
|
| 18 |
|
|
struct idprom *idprom;
|
| 19 |
|
|
static struct idprom idprom_buffer;
|
| 20 |
|
|
|
| 21 |
|
|
/* Here is the master table of Sun machines which use some implementation
|
| 22 |
|
|
* of the Sparc CPU and have a meaningful IDPROM machtype value that we
|
| 23 |
|
|
* know about. See asm-sparc/machines.h for empirical constants.
|
| 24 |
|
|
*/
|
| 25 |
|
|
struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
|
| 26 |
|
|
/* First, Sun3's */
|
| 27 |
|
|
{ "Sun 3/160 Series", (SM_SUN3 | SM_3_160) },
|
| 28 |
|
|
{ "Sun 3/50", (SM_SUN3 | SM_3_50) },
|
| 29 |
|
|
{ "Sun 3/260 Series", (SM_SUN3 | SM_3_260) },
|
| 30 |
|
|
{ "Sun 3/110 Series", (SM_SUN3 | SM_3_110) },
|
| 31 |
|
|
{ "Sun 3/60", (SM_SUN3 | SM_3_60) },
|
| 32 |
|
|
{ "Sun 3/E", (SM_SUN3 | SM_3_E) },
|
| 33 |
|
|
/* Now, Sun3x's */
|
| 34 |
|
|
{ "Sun 3/460 Series", (SM_SUN3X | SM_3_460) },
|
| 35 |
|
|
{ "Sun 3/80", (SM_SUN3X | SM_3_80) },
|
| 36 |
|
|
/* Then, Sun4's */
|
| 37 |
|
|
//{ "Sun 4/100 Series", (SM_SUN4 | SM_4_110) },
|
| 38 |
|
|
//{ "Sun 4/200 Series", (SM_SUN4 | SM_4_260) },
|
| 39 |
|
|
//{ "Sun 4/300 Series", (SM_SUN4 | SM_4_330) },
|
| 40 |
|
|
//{ "Sun 4/400 Series", (SM_SUN4 | SM_4_470) },
|
| 41 |
|
|
/* And now, Sun4c's */
|
| 42 |
|
|
//{ "Sun4c SparcStation 1", (SM_SUN4C | SM_4C_SS1) },
|
| 43 |
|
|
//{ "Sun4c SparcStation IPC", (SM_SUN4C | SM_4C_IPC) },
|
| 44 |
|
|
//{ "Sun4c SparcStation 1+", (SM_SUN4C | SM_4C_SS1PLUS) },
|
| 45 |
|
|
//{ "Sun4c SparcStation SLC", (SM_SUN4C | SM_4C_SLC) },
|
| 46 |
|
|
//{ "Sun4c SparcStation 2", (SM_SUN4C | SM_4C_SS2) },
|
| 47 |
|
|
//{ "Sun4c SparcStation ELC", (SM_SUN4C | SM_4C_ELC) },
|
| 48 |
|
|
//{ "Sun4c SparcStation IPX", (SM_SUN4C | SM_4C_IPX) },
|
| 49 |
|
|
/* Finally, early Sun4m's */
|
| 50 |
|
|
//{ "Sun4m SparcSystem600", (SM_SUN4M | SM_4M_SS60) },
|
| 51 |
|
|
//{ "Sun4m SparcStation10/20", (SM_SUN4M | SM_4M_SS50) },
|
| 52 |
|
|
//{ "Sun4m SparcStation5", (SM_SUN4M | SM_4M_SS40) },
|
| 53 |
|
|
/* One entry for the OBP arch's which are sun4d, sun4e, and newer sun4m's */
|
| 54 |
|
|
//{ "Sun4M OBP based system", (SM_SUN4M_OBP | 0x0) }
|
| 55 |
|
|
};
|
| 56 |
|
|
|
| 57 |
|
|
static void __init display_system_type(unsigned char machtype)
|
| 58 |
|
|
{
|
| 59 |
|
|
register int i;
|
| 60 |
|
|
|
| 61 |
|
|
for (i = 0; i < NUM_SUN_MACHINES; i++) {
|
| 62 |
|
|
if(Sun_Machines[i].id_machtype == machtype) {
|
| 63 |
|
|
if (machtype != (SM_SUN4M_OBP | 0x00))
|
| 64 |
|
|
printk("TYPE: %s\n", Sun_Machines[i].name);
|
| 65 |
|
|
else {
|
| 66 |
|
|
#if 0
|
| 67 |
|
|
prom_getproperty(prom_root_node, "banner-name",
|
| 68 |
|
|
sysname, sizeof(sysname));
|
| 69 |
|
|
printk("TYPE: %s\n", sysname);
|
| 70 |
|
|
#endif
|
| 71 |
|
|
}
|
| 72 |
|
|
return;
|
| 73 |
|
|
}
|
| 74 |
|
|
}
|
| 75 |
|
|
|
| 76 |
|
|
prom_printf("IDPROM: Bogus id_machtype value, 0x%x\n", machtype);
|
| 77 |
|
|
prom_halt();
|
| 78 |
|
|
}
|
| 79 |
|
|
|
| 80 |
|
|
void sun3_get_model(unsigned char* model)
|
| 81 |
|
|
{
|
| 82 |
|
|
register int i;
|
| 83 |
|
|
|
| 84 |
|
|
for (i = 0; i < NUM_SUN_MACHINES; i++) {
|
| 85 |
|
|
if(Sun_Machines[i].id_machtype == idprom->id_machtype) {
|
| 86 |
|
|
strcpy(model, Sun_Machines[i].name);
|
| 87 |
|
|
return;
|
| 88 |
|
|
}
|
| 89 |
|
|
}
|
| 90 |
|
|
}
|
| 91 |
|
|
|
| 92 |
|
|
|
| 93 |
|
|
|
| 94 |
|
|
/* Calculate the IDPROM checksum (xor of the data bytes). */
|
| 95 |
|
|
static unsigned char __init calc_idprom_cksum(struct idprom *idprom)
|
| 96 |
|
|
{
|
| 97 |
|
|
unsigned char cksum, i, *ptr = (unsigned char *)idprom;
|
| 98 |
|
|
|
| 99 |
|
|
for (i = cksum = 0; i <= 0x0E; i++)
|
| 100 |
|
|
cksum ^= *ptr++;
|
| 101 |
|
|
|
| 102 |
|
|
return cksum;
|
| 103 |
|
|
}
|
| 104 |
|
|
|
| 105 |
|
|
/* Create a local IDPROM copy, verify integrity, and display information. */
|
| 106 |
|
|
void __init idprom_init(void)
|
| 107 |
|
|
{
|
| 108 |
|
|
prom_get_idprom((char *) &idprom_buffer, sizeof(idprom_buffer));
|
| 109 |
|
|
|
| 110 |
|
|
idprom = &idprom_buffer;
|
| 111 |
|
|
|
| 112 |
|
|
if (idprom->id_format != 0x01) {
|
| 113 |
|
|
prom_printf("IDPROM: Unknown format type!\n");
|
| 114 |
|
|
prom_halt();
|
| 115 |
|
|
}
|
| 116 |
|
|
|
| 117 |
|
|
if (idprom->id_cksum != calc_idprom_cksum(idprom)) {
|
| 118 |
|
|
prom_printf("IDPROM: Checksum failure (nvram=%x, calc=%x)!\n",
|
| 119 |
|
|
idprom->id_cksum, calc_idprom_cksum(idprom));
|
| 120 |
|
|
prom_halt();
|
| 121 |
|
|
}
|
| 122 |
|
|
|
| 123 |
|
|
display_system_type(idprom->id_machtype);
|
| 124 |
|
|
|
| 125 |
|
|
printk("Ethernet address: %x:%x:%x:%x:%x:%x\n",
|
| 126 |
|
|
idprom->id_ethaddr[0], idprom->id_ethaddr[1],
|
| 127 |
|
|
idprom->id_ethaddr[2], idprom->id_ethaddr[3],
|
| 128 |
|
|
idprom->id_ethaddr[4], idprom->id_ethaddr[5]);
|
| 129 |
|
|
}
|
