diff options
| author | Pyun YongHyeon <yongari@FreeBSD.org> | 2011-04-01 16:45:26 +0000 |
|---|---|---|
| committer | Pyun YongHyeon <yongari@FreeBSD.org> | 2011-04-01 16:45:26 +0000 |
| commit | 525e40979bfd92c642aabc897b50250a7c435547 (patch) | |
| tree | d13873f3b51da80cf5a15e91508498d373f9fc03 /sys/dev/age | |
| parent | dc49da9761be67e7429cfc02fd8893dd15336662 (diff) | |
Notes
Diffstat (limited to 'sys/dev/age')
| -rw-r--r-- | sys/dev/age/if_age.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/age/if_age.c b/sys/dev/age/if_age.c index d57a51d01046..c3e95be7d411 100644 --- a/sys/dev/age/if_age.c +++ b/sys/dev/age/if_age.c @@ -1092,11 +1092,14 @@ again: * Create Tx/Rx buffer parent tag. * L1 supports full 64bit DMA addressing in Tx/Rx buffers * so it needs separate parent DMA tag. + * XXX + * It seems enabling 64bit DMA causes data corruption. Limit + * DMA address space to 32bit. */ error = bus_dma_tag_create( bus_get_dma_tag(sc->age_dev), /* parent */ 1, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ |