[src/trunk]: src/sys/arch/macppc/macppc Enable HID0_BTIC on 750 and 7400.

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

details:   https://anonhg.NetBSD.org/src/rev/a38739314e48
branches:  trunk
changeset: 499035:a38739314e48
user:      tsubai <tsubai%NetBSD.org@localhost>
date:      Thu Nov 09 11:58:09 2000 +0000

description:
Enable HID0_BTIC on 750 and 7400.

diffstat:

 sys/arch/macppc/macppc/cpu.c |  30 +++++++++++++++++++++++-------
 1 files changed, 23 insertions(+), 7 deletions(-)

diffs (67 lines):

diff -r eafccb807b49 -r a38739314e48 sys/arch/macppc/macppc/cpu.c
--- a/sys/arch/macppc/macppc/cpu.c      Thu Nov 09 11:49:13 2000 +0000
+++ b/sys/arch/macppc/macppc/cpu.c      Thu Nov 09 11:58:09 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.c,v 1.14 2000/11/08 17:53:46 tsubai Exp $  */
+/*     $NetBSD: cpu.c,v 1.15 2000/11/09 11:58:09 tsubai Exp $  */
 
 /*-
  * Copyright (C) 1998, 1999 Internet Research Institute, Inc.
@@ -40,6 +40,7 @@
 
 #include <uvm/uvm_extern.h>
 #include <dev/ofw/openfirm.h>
+#include <powerpc/hid.h>
 
 #include <machine/autoconf.h>
 #include <machine/bat.h>
@@ -111,11 +112,6 @@
 #define MPC604ev       9
 #define MPC7400                12
 
-#define HID0_DOZE      0x00800000
-#define HID0_NAP       0x00400000
-#define HID0_SLEEP     0x00200000
-#define HID0_DPM       0x00100000      /* 1: DPM enable */
-
 void
 cpuattach(parent, self, aux)
        struct device *parent, *self;
@@ -123,7 +119,7 @@
 {
        struct confargs *ca = aux;
        int id = ca->ca_reg[0];
-       int hid0, pvr, vers;
+       u_int hid0, pvr, vers;
        char model[80];
 
        ncpus++;
@@ -190,8 +186,28 @@
        }
 #endif
 
+       switch (vers) {
+       case MPC750:
+               hid0 &= ~HID0_DBP;              /* XXX correct? */
+               hid0 |= HID0_EMCP | HID0_BTIC | HID0_SGE | HID0_BHT;
+               break;
+       case MPC7400:
+               hid0 &= ~HID0_SPD;
+               hid0 |= HID0_EMCP | HID0_BTIC | HID0_SGE | HID0_BHT;
+               hid0 |= HID0_EIEC;
+               break;
+       }
+
        asm volatile ("mtspr 1008,%0" :: "r"(hid0));
 
+#if 0
+       if (1) {
+               char hidbuf[128];
+               bitmask_snprintf(hid0, HID0_BITMASK, hidbuf, sizeof hidbuf);
+               printf("%s: HID0 %s\n", self->dv_xname, hidbuf);
+       }
+#endif
+
        /*
         * Display cache configuration.
         */