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add another special case so SM50x's framebuffer gets mapped with prefetching /

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write combining enabled.
This needs to be generalized somewhere...
This commit is contained in:
macallan 2016-01-23 17:09:51 +00:00
parent 410d9b399e
commit c26dfe7d4b
1 changed files with 7 additions and 3 deletions
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10
sys/dev/pci/pci.c
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@ -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 @@ pci_probe_device(struct pci_softc *sc, pcitag_t tag,
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;
}
}
}