[src/trunk]: src/sys/arch/bebox/include Pointer to documentation for PHYS_TO_...

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

details:   https://anonhg.NetBSD.org/src/rev/2cf83ce7856d
branches:  trunk
changeset: 503438:2cf83ce7856d
user:      briggs <briggs%NetBSD.org@localhost>
date:      Tue Feb 06 05:00:50 2001 +0000

description:
Pointer to documentation for PHYS_TO_PCI_MEM/PCI_MEM_TO_PHYS.

diffstat:

 sys/arch/bebox/include/bus.h |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 9d06ddf0c6ea -r 2cf83ce7856d sys/arch/bebox/include/bus.h
--- a/sys/arch/bebox/include/bus.h      Tue Feb 06 04:32:29 2001 +0000
+++ b/sys/arch/bebox/include/bus.h      Tue Feb 06 05:00:50 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus.h,v 1.21 2000/06/26 04:55:36 simonb Exp $  */
+/*     $NetBSD: bus.h,v 1.22 2001/02/06 05:00:50 briggs Exp $  */
 /*     $OpenBSD: bus.h,v 1.1 1997/10/13 10:53:42 pefo Exp $    */
 
 /*-
@@ -114,6 +114,7 @@
 
 /*
  * Address conversion as seen from a PCI master.
+ * See Figure 3-4, page 3-6 in the MPC105 User's Manual.
  */
 #define MPC105_DIRECT_MAPPED_SPACE     0x80000000
 #define PHYS_TO_PCI_MEM(x)     ((x) | MPC105_DIRECT_MAPPED_SPACE)