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/*
* identify.c: machine identification code.
*
* Copyright (C) 1998 Harald Koerfgen and Paul M. Antoine
*
* $Id: identify.c,v 1.2 1999/10/09 00:00:58 ralf Exp $
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include "dectypes.h"
#include "prom.h"
extern char *(*prom_getenv)(char *);
extern int (*prom_printf)(char *, ...);
extern int (*rex_getsysid)(void);
extern unsigned long mips_machgroup;
extern unsigned long mips_machtype;
void __init prom_identify_arch (unsigned int magic)
{
unsigned char dec_cpunum, dec_firmrev, dec_etc;
int dec_systype;
unsigned long dec_sysid;
if (magic != REX_PROM_MAGIC) {
dec_sysid = simple_strtoul(prom_getenv("systype"), (char **)0, 0);
} else {
dec_sysid = rex_getsysid();
if (dec_sysid == 0) {
prom_printf("Zero sysid returned from PROMs! Assuming PMAX-like machine.\n");
dec_sysid = 1;
}
}
dec_cpunum = (dec_sysid & 0xff000000) >> 24;
dec_systype = (dec_sysid & 0xff0000) >> 16;
dec_firmrev = (dec_sysid & 0xff00) >> 8;
dec_etc = dec_sysid & 0xff;
/* We're obviously one of the DEC machines */
mips_machgroup = MACH_GROUP_DEC;
/*
* FIXME: This may not be an exhaustive list of DECStations/Servers!
* Put all model-specific initialisation calls here.
*/
prom_printf("This DECstation is a ");
switch (dec_systype) {
case DS2100_3100:
prom_printf("DS2100/3100\n");
mips_machtype = MACH_DS23100;
break;
case DS5100: /* DS5100 MIPSMATE */
prom_printf("DS5100\n");
mips_machtype = MACH_DS5100;
break;
case DS5000_200: /* DS5000 3max */
prom_printf("DS5000/200\n");
mips_machtype = MACH_DS5000_200;
break;
case DS5000_1XX: /* DS5000/100 3min */
prom_printf("DS5000/1xx\n");
mips_machtype = MACH_DS5000_1XX;
break;
case DS5000_2X0: /* DS5000/240 3max+ */
prom_printf("DS5000/2x0\n");
mips_machtype = MACH_DS5000_2X0;
break;
case DS5000_XX: /* Personal DS5000/2x */
prom_printf("Personal DS5000/xx\n");
mips_machtype = MACH_DS5000_XX;
break;
case DS5800: /* DS5800 Isis */
prom_printf("DS5800\n");
mips_machtype = MACH_DS5800;
break;
case DS5400: /* DS5400 MIPSfair */
prom_printf("DS5400\n");
mips_machtype = MACH_DS5400;
break;
case DS5500: /* DS5500 MIPSfair-2 */
prom_printf("DS5500\n");
mips_machtype = MACH_DS5500;
break;
default:
prom_printf("unknown, id is %x", dec_systype);
mips_machtype = MACH_DSUNKNOWN;
break;
}
}
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