[src/trunk]: src/sys/dev/pci add another special case so SM50x's framebuffer ...

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

details:   https://anonhg.NetBSD.org/src/rev/b5695c4d339b
branches:  trunk
changeset: 343146:b5695c4d339b
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sat Jan 23 17:09:51 2016 +0000

description:
add another special case so SM50x's framebuffer gets mapped with prefetching /
write combining enabled.
This needs to be generalized somewhere...

diffstat:

 sys/dev/pci/pci.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (32 lines):

diff -r afafa6c0406a -r b5695c4d339b sys/dev/pci/pci.c
--- a/sys/dev/pci/pci.c Sat Jan 23 17:02:25 2016 +0000
+++ b/sys/dev/pci/pci.c Sat Jan 23 17:09:51 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci.c,v 1.150 2015/11/02 09:29:08 knakahara Exp $      */
+/*     $NetBSD: pci.c,v 1.151 2016/01/23 17:09:51 macallan Exp $       */
 
 /*
  * Copyright (c) 1995, 1996, 1997, 1998
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci.c,v 1.150 2015/11/02 09:29:08 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci.c,v 1.151 2016/01/23 17:09:51 macallan Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_pci.h"
@@ -352,8 +352,12 @@
                                nr->r_size = 0x7ff000;
                                nr->r_flags = BUS_SPACE_MAP_LINEAR |
                                              BUS_SPACE_MAP_PREFETCHABLE;
+                       } else if ((PCI_VENDOR(id) == PCI_VENDOR_SILMOTION) &&
+                          (PCI_PRODUCT(id) == PCI_PRODUCT_SILMOTION_SM502) &&
+                          (bar == 0x10)) {
+                               r->r_flags = BUS_SPACE_MAP_LINEAR |
+                                            BUS_SPACE_MAP_PREFETCHABLE;
                        }
-                       
                }
        }