[src/trunk]: src/sys/arch/pmax/pmax Moved from dec_3max_subr.c

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

details:   https://anonhg.NetBSD.org/src/rev/d5c03f4c0503
branches:  trunk
changeset: 473111:d5c03f4c0503
user:      nisimura <nisimura%NetBSD.org@localhost>
date:      Thu May 20 14:14:39 1999 +0000

description:
Moved from dec_3max_subr.c

diffstat:

 sys/arch/pmax/pmax/memc_3max.c |  103 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 103 insertions(+), 0 deletions(-)

diffs (107 lines):

diff -r ff3b5626f877 -r d5c03f4c0503 sys/arch/pmax/pmax/memc_3max.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/pmax/pmax/memc_3max.c    Thu May 20 14:14:39 1999 +0000
@@ -0,0 +1,103 @@
+/*     $NetBSD: memc_3max.c,v 1.7 1999/05/20 14:14:39 nisimura Exp $   */
+
+/*
+ * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by Jonathan Stone for
+ *      the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
+
+__KERNEL_RCSID(0, "$NetBSD: memc_3max.c,v 1.7 1999/05/20 14:14:39 nisimura Exp $");
+
+#include <sys/types.h>
+#include <sys/systm.h>
+
+#include <machine/locore.h>            /* wbflush() */
+
+#include <pmax/pmax/kn02.h>    /* error-register defs copied into kn03.h */
+#include <pmax/pmax/dec_3max_subr.h>
+
+/*
+ * the 3max and 3maxplus have compatible memory subsystems;
+ * we handle them both here.
+ */
+
+
+void
+dec_mtasic_err(erradr, errsyn)
+       u_int erradr, errsyn;
+{
+       u_int physadr;
+
+       if (!(erradr & KN02_ERR_VALID))
+               return;
+       /* extract the physical word address and compensate for pipelining */
+       physadr = erradr & KN02_ERR_ADDRESS;
+       if (!(erradr & KN02_ERR_WRITE))
+               physadr = (physadr & ~0xfff) | ((physadr & 0xfff) - 5);
+       physadr <<= 2;
+       printf("%s memory %s %s error at 0x%08x\n",
+               (erradr & KN02_ERR_CPU) ? "CPU" : "DMA",
+               (erradr & KN02_ERR_WRITE) ? "write" : "read",
+               (erradr & KN02_ERR_ECCERR) ? "ECC" : "timeout",
+               physadr);
+       if (erradr & KN02_ERR_ECCERR) {
+               u_int errsyn_value = *(u_int *)errsyn;
+               *(u_int *)errsyn = 0;
+               wbflush();
+               printf("   ECC 0x%08x\n", errsyn_value);
+
+               /* check for a corrected, single bit, read error */
+               if (!(erradr & KN02_ERR_WRITE)) {
+                       if (physadr & 0x4) {
+                               /* check high word */
+                               if (errsyn_value & KN02_ECC_SNGHI)
+                                       return;
+                       } else {
+                               /* check low word */
+                               if (errsyn_value & KN02_ECC_SNGLO)
+                                       return;
+                       }
+               }
+               printf("\n");
+       }
+       else
+               printf("\n");
+       panic("panic(\"Mem error interrupt\");\n");
+}
+
+/*
+ * Xxx noncontig memory probing with mixed-sized memory  boards
+ * XXX on 3max (kn02) or 3maxplus (kn03) belongs here.
+ */
+
+/*
+ * Xxx any support for NVRAM (PrestoServe) modules in
+ * XXX on 3max (kn02) or 3maxplus (kn03) memory slots probably belongs here,
+ * since we need to not probe it as normal RAM.
+ */