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- don't forget to set _dm_vmspace in BUS_DMA_ALLOCNOW case

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- also set ARC_DMAMAP_COHERENT hint in the case if buf is in KSEG1
  (I'm not sure if ALLOCNOW is worth for linear buffer, i.e. nsegs=1 case)
This commit is contained in:
tsutsui 2006-06-15 17:06:19 +00:00
parent 697e0bef92
commit ec9a7dcbfd
1 changed files with 7 additions and 2 deletions
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9
sys/arch/arc/jazz/bus_dma_jazz.c
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@ -1,4 +1,4 @@
/* $NetBSD: bus_dma_jazz.c,v 1.13 2006/03/01 12:38:10 yamt Exp $ */
/* $NetBSD: bus_dma_jazz.c,v 1.14 2006/06/15 17:06:19 tsutsui Exp $ */
/*-
* Copyright (C) 2003 Izumi Tsutsui.
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bus_dma_jazz.c,v 1.13 2006/03/01 12:38:10 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: bus_dma_jazz.c,v 1.14 2006/06/15 17:06:19 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -225,6 +225,11 @@ jazz_bus_dmamap_load(bus_dma_tag_t t, bus_dmamap_t map, void *buf,
map->dm_segs[0]._ds_vaddr = (vaddr_t)buf;
map->dm_mapsize = buflen;
map->dm_nsegs = 1;
map->_dm_vmspace = vm;
if (buf >= (void *)MIPS_KSEG1_START &&
buf < (void *)MIPS_KSEG2_START)
map->_dm_flags |= ARC_DMAMAP_COHERENT;
return 0;
}