Date: Wed, 26 Oct 2011 18:27:01 +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: r226806 - head/sys/dev/bge Message-ID: <201110261827.p9QIR1dN062196@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: yongari Date: Wed Oct 26 18:27:01 2011 New Revision: 226806 URL: http://svn.freebsd.org/changeset/base/226806 Log: Broadcom says BCM5755 or higher and BCM5906 have short DMA bug. Apply workaround to these controllers. Modified: head/sys/dev/bge/if_bge.c Modified: head/sys/dev/bge/if_bge.c ============================================================================== --- head/sys/dev/bge/if_bge.c Wed Oct 26 18:19:50 2011 (r226805) +++ head/sys/dev/bge/if_bge.c Wed Oct 26 18:27:01 2011 (r226806) @@ -2828,7 +2828,6 @@ bge_attach(device_t dev) switch (sc->bge_asicrev) { case BGE_ASICREV_BCM5717: case BGE_ASICREV_BCM5719: - sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG; case BGE_ASICREV_BCM57765: sc->bge_flags |= BGE_FLAG_5717_PLUS | BGE_FLAG_5755_PLUS | BGE_FLAG_575X_PLUS | BGE_FLAG_5705_PLUS | BGE_FLAG_JUMBO | @@ -2863,8 +2862,6 @@ bge_attach(device_t dev) case BGE_ASICREV_BCM5752: case BGE_ASICREV_BCM5906: sc->bge_flags |= BGE_FLAG_575X_PLUS; - if (sc->bge_asicrev == BGE_ASICREV_BCM5906) - sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG; /* FALLTHROUGH */ case BGE_ASICREV_BCM5705: sc->bge_flags |= BGE_FLAG_5705_PLUS; @@ -2926,6 +2923,10 @@ bge_attach(device_t dev) */ sc->bge_flags |= BGE_FLAG_4G_BNDRY_BUG; + /* BCM5755 or higher and BCM5906 have short DMA bug. */ + if (BGE_IS_5755_PLUS(sc) || sc->bge_asicrev == BGE_ASICREV_BCM5906) + sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG; + misccfg = CSR_READ_4(sc, BGE_MISC_CFG) & BGE_MISCCFG_BOARD_ID; if (sc->bge_asicrev == BGE_ASICREV_BCM5705) { if (misccfg == BGE_MISCCFG_BOARD_ID_5788 ||
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201110261827.p9QIR1dN062196>