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Fix problem with having more than 1GM of RAM. Also fix a nearby busdma

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problem.

Submitted by: silby
This commit is contained in:
scottl 2006-04-27 14:02:58 +00:00
parent 6a9d879cfe
commit b1d1b86b31
1 changed files with 8 additions and 5 deletions
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13
sys/dev/bfe/if_bfe.c
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@ -197,16 +197,19 @@ bfe_dma_alloc(device_t dev)
sc = device_get_softc(dev);
/* parent tag */
/*
* parent tag. Apparently the chip cannot handle any DMA address
* greater than 1GB.
*/
error = bus_dma_tag_create(NULL, /* parent */
PAGE_SIZE, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR, /* lowaddr */
BUS_SPACE_MAXADDR_32BIT, /* highaddr */
0x40000000, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
MAXBSIZE, /* maxsize */
BUS_SPACE_UNRESTRICTED, /* num of segments */
BUS_SPACE_MAXSIZE_32BIT, /* max segment size */
BUS_DMA_ALLOCNOW, /* flags */
0, /* flags */
NULL, NULL, /* lockfunc, lockarg */
&sc->bfe_parent_tag);
@ -255,7 +258,7 @@ bfe_dma_alloc(device_t dev)
MCLBYTES,
1,
BUS_SPACE_MAXSIZE_32BIT,
0,
BUS_DMA_ALLOCNOW,
NULL, NULL,
&sc->bfe_tag);