[src/trunk]: src/sys/dev/pci add shutdown hook

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

details:   https://anonhg.NetBSD.org/src/rev/b14f40221809
branches:  trunk
changeset: 480661:b14f40221809
user:      joda <joda%NetBSD.org@localhost>
date:      Mon Jan 17 12:57:26 2000 +0000

description:
add shutdown hook

diffstat:

 sys/dev/pci/pccbb.c |  21 +++++++++++++++++++--
 1 files changed, 19 insertions(+), 2 deletions(-)

diffs (42 lines):

diff -r 098a05ed44fd -r b14f40221809 sys/dev/pci/pccbb.c
--- a/sys/dev/pci/pccbb.c       Mon Jan 17 12:44:39 2000 +0000
+++ b/sys/dev/pci/pccbb.c       Mon Jan 17 12:57:26 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pccbb.c,v 1.13 2000/01/13 09:05:41 joda Exp $  */
+/*     $NetBSD: pccbb.c,v 1.14 2000/01/17 12:57:27 joda Exp $  */
 
 /*
  * Copyright (c) 1998 and 1999 HAYAKAWA Koichi.  All rights reserved.
@@ -380,7 +380,22 @@
 
 
 
-
+static void
+pccbb_shutdown(void *arg)
+{
+    struct pccbb_softc *sc = arg;
+    pcireg_t command;
+
+    DPRINTF(("%s: shutdown\n", sc->sc_dev.dv_xname));
+    bus_space_write_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_MASK, 0);
+    
+    command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
+    
+    command &= ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
+                PCI_COMMAND_MASTER_ENABLE);
+    pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command);
+    
+}
 
 void
 pccbbattach(parent, self, aux)
@@ -492,6 +507,8 @@
   /* bus bridge initialisation */
   pccbb_chipinit(sc);
 
+  shutdownhook_establish(pccbb_shutdown, sc);
+
 #if __NetBSD_Version__ > 103060000
   config_defer(self, pccbb_pci_callback);
 #else