Date: Tue, 4 Jan 2011 20:06:26 +0000 (UTC) From: Pyun YongHyeon <yongari@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r216973 - head/sys/dev/bge Message-ID: <201101042006.p04K6Qwl053344@svn.freebsd.org>
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Author: yongari Date: Tue Jan 4 20:06:26 2011 New Revision: 216973 URL: http://svn.freebsd.org/changeset/base/216973 Log: Limit hardware bug workaround to controllers that have 4GB boundary bug instead of blindly applying it to all controllers. Pointed out by: marius MFC after: 3 days Modified: head/sys/dev/bge/if_bge.c Modified: head/sys/dev/bge/if_bge.c ============================================================================== --- head/sys/dev/bge/if_bge.c Tue Jan 4 19:32:03 2011 (r216972) +++ head/sys/dev/bge/if_bge.c Tue Jan 4 20:06:26 2011 (r216973) @@ -2482,8 +2482,11 @@ bge_dma_alloc(struct bge_softc *sc) * restriction and limit DMA address space to 32bit. It's not * clear whether there is another hardware issue here. */ + lowaddr = BUS_SPACE_MAXADDR; + if ((sc->bge_flags & BGE_FLAG_40BIT_BUG) != 0) + lowaddr = BUS_SPACE_MAXADDR_32BIT; error = bus_dma_tag_create(bus_get_dma_tag(sc->bge_dev), - 1, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, + 1, 0, lowaddr, BUS_SPACE_MAXADDR, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, 0, BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->bge_cdata.bge_buffer_tag); if (error != 0) {
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