Date: Mon, 28 Sep 2009 21:07:19 +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: r197591 - head/sys/dev/msk Message-ID: <200909282107.n8SL7JXt065844@svn.freebsd.org>
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Author: yongari Date: Mon Sep 28 21:07:19 2009 New Revision: 197591 URL: http://svn.freebsd.org/changeset/base/197591 Log: Add workaround for Yukon XL which has hardware bug that can't flush FIFO. Modified: head/sys/dev/msk/if_msk.c Modified: head/sys/dev/msk/if_msk.c ============================================================================== --- head/sys/dev/msk/if_msk.c Mon Sep 28 21:03:28 2009 (r197590) +++ head/sys/dev/msk/if_msk.c Mon Sep 28 21:07:19 2009 (r197591) @@ -3799,9 +3799,14 @@ msk_init_locked(struct msk_if_softc *sc_ /* Set receive filter. */ msk_rxfilter(sc_if); - /* Flush Rx MAC FIFO on any flow control or error. */ - CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), - GMR_FS_ANY_ERR); + if (sc->msk_hw_id == CHIP_ID_YUKON_XL) { + /* Clear flush mask - HW bug. */ + CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0); + } else { + /* Flush Rx MAC FIFO on any flow control or error. */ + CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), + GMR_FS_ANY_ERR); + } /* * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word
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