[src/trunk]: src/sys/arch/amigappc/amigappc P5 board clock decoding.

[is <is%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/14bce8177247
branches:  trunk
changeset: 488154:14bce8177247
user:      is <is%NetBSD.org@localhost>
date:      Mon Jun 19 19:49:51 2000 +0000

description:
P5 board clock decoding.

diffstat:

 sys/arch/amigappc/amigappc/machdep.c |  51 +++++++++++++++++++++++++++++++++--
 1 files changed, 48 insertions(+), 3 deletions(-)

diffs (79 lines):

diff -r 695d7b875aee -r 14bce8177247 sys/arch/amigappc/amigappc/machdep.c
--- a/sys/arch/amigappc/amigappc/machdep.c      Mon Jun 19 19:48:37 2000 +0000
+++ b/sys/arch/amigappc/amigappc/machdep.c      Mon Jun 19 19:49:51 2000 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.2 2000/05/26 21:19:27 thorpej Exp $ */
+/* $NetBSD: machdep.c,v 1.3 2000/06/19 19:49:51 is Exp $ */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -616,7 +616,10 @@
 identifycpu()
 {
        register int pvr, hid1;
-       char *mach, *cpu;
+       char *mach, *pup, *cpu;
+
+       const char *p5type_p = (const char *)0xf00010;
+       int cpuclock, busclock;
 
        /* Amiga type */
        if (is_a4000()) {
@@ -625,6 +628,46 @@
        else {
                mach = "Amiga 1200";
        }
+       /* XXX removethis */printf("p5serial = %8s\n", p5type_p);
+       switch(p5type_p[0]) {
+       case 'D':
+               pup = "[PowerUP]";
+               break;
+       case 'E':
+               pup = "[CSPPC]";
+               break;
+       case 'F':
+               pup = "[CS Mk.III]";
+               break;
+       case 'I':
+               pup = "[BlizzardPPC]";
+               break;
+       default:
+               pup = "";
+               break;
+       }
+
+       switch(p5type_p[1]) {
+       case 'A':
+               cpuclock = 150;
+               busclock = 60000000/4;
+               break;
+       case 'B':
+               cpuclock = 180;
+               busclock = 66000000/4;
+               break;
+       case 'C':
+               cpuclock = 200;
+               busclock = 66000000/4;
+               break;
+       case 'D':
+               cpuclock = 233;
+               busclock = 66000000/4;
+               break;
+       default:
+               cpuclock = 0;
+               break;
+       }
 
        /* find CPU type */
        asm ("mfpvr %0" : "=r"(pvr));
@@ -664,7 +707,9 @@
                break;
        }
 
-       sprintf(cpu_model, "%s (%s rev.%x)", mach, cpu, pvr & 0xffff);
+       snprintf(cpu_model, sizeof(cpu_model), 
+           "%s %s (%s rev.%x %d MHz, busclk %d kHz)",
+           mach, pup, cpu, pvr & 0xffff, cpuclock, busclock / 1000);
        printf("%s\n", cpu_model);
 }