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Forgotten in previous commit:

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Allow chipset drivers to specify the direct-mapped DMA window's mask in
preparation for tsunami support.  Previous chipsets' direct-mapped DMA
mask was always 1024*1024*1024.  The Tsunami chipset needs it to be
2*1024*1024*1024

Reviewed by:	Doug Rabson <dfr@nlsystems.com>
This commit is contained in:
Andrew Gallatin 1999-05-26 23:05:23 +00:00
parent 50b8d1cce4
commit 0f884d6cef
2 changed files with 4 additions and 4 deletions
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4
sys/dev/de/if_devar.h
View File

@ -1,5 +1,5 @@
/* $NetBSD: if_devar.h,v 1.31 1998/09/29 22:40:52 matt Exp $ */
/* $Id: if_devar.h,v 1.11 1998/10/14 08:31:27 peter Exp $ */
/* $Id: if_devar.h,v 1.12 1998/11/06 02:13:14 peter Exp $ */
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
@ -1094,7 +1094,7 @@ extern struct cfdriver de_cd;
#if !defined(TULIP_KVATOPHYS) && (!defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NORX) || defined(TULIP_BUS_DMA_NOTX))
#if defined(__alpha__)
/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
#define vtobus(va) (vtophys(va) | (1*1024*1024*1024))
#define vtobus(va) alpha_XXX_dmamap((vm_offset_t)va)
#else
#define vtobus(va) vtophys(va)
#endif

4
sys/pci/if_devar.h
View File

@ -1,5 +1,5 @@
/* $NetBSD: if_devar.h,v 1.31 1998/09/29 22:40:52 matt Exp $ */
/* $Id: if_devar.h,v 1.11 1998/10/14 08:31:27 peter Exp $ */
/* $Id: if_devar.h,v 1.12 1998/11/06 02:13:14 peter Exp $ */
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
@ -1094,7 +1094,7 @@ extern struct cfdriver de_cd;
#if !defined(TULIP_KVATOPHYS) && (!defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NORX) || defined(TULIP_BUS_DMA_NOTX))
#if defined(__alpha__)
/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
#define vtobus(va) (vtophys(va) | (1*1024*1024*1024))
#define vtobus(va) alpha_XXX_dmamap((vm_offset_t)va)
#else
#define vtobus(va) vtophys(va)
#endif