From owner-svn-src-head@freebsd.org Fri Nov 20 11:30:45 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 920902C6AF9; Fri, 20 Nov 2020 11:30:45 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CcvVs3PxYz3DjG; Fri, 20 Nov 2020 11:30:45 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 686DE1557F; Fri, 20 Nov 2020 11:30:45 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0AKBUjcG090294; Fri, 20 Nov 2020 11:30:45 GMT (envelope-from manu@FreeBSD.org) Received: (from manu@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0AKBUjsZ090293; Fri, 20 Nov 2020 11:30:45 GMT (envelope-from manu@FreeBSD.org) Message-Id: <202011201130.0AKBUjsZ090293@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: manu set sender to manu@FreeBSD.org using -f From: Emmanuel Vadot Date: Fri, 20 Nov 2020 11:30:45 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367886 - head/sys/arm/allwinner X-SVN-Group: head X-SVN-Commit-Author: manu X-SVN-Commit-Paths: head/sys/arm/allwinner X-SVN-Commit-Revision: 367886 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Nov 2020 11:30:45 -0000 Author: manu Date: Fri Nov 20 11:30:44 2020 New Revision: 367886 URL: https://svnweb.freebsd.org/changeset/base/367886 Log: if_awg: Add a awg_dma_start_tx function that trigger dma engine No functional changes intended Modified: head/sys/arm/allwinner/if_awg.c Modified: head/sys/arm/allwinner/if_awg.c ============================================================================== --- head/sys/arm/allwinner/if_awg.c Fri Nov 20 11:30:23 2020 (r367885) +++ head/sys/arm/allwinner/if_awg.c Fri Nov 20 11:30:44 2020 (r367886) @@ -941,6 +941,18 @@ awg_setup_dma(device_t dev) return (0); } +static void +awg_dma_start_tx(struct awg_softc *sc) +{ + uint32_t val; + + AWG_ASSERT_LOCKED(sc); + + /* Start and run TX DMA */ + val = RD4(sc, EMAC_TX_CTL_1); + WR4(sc, EMAC_TX_CTL_1, val | TX_DMA_START); +} + /* * if_ functions */ @@ -949,7 +961,6 @@ static void awg_start_locked(struct awg_softc *sc) { struct mbuf *m; - uint32_t val; if_t ifp; int cnt, err; @@ -984,9 +995,7 @@ awg_start_locked(struct awg_softc *sc) bus_dmamap_sync(sc->tx.desc_tag, sc->tx.desc_map, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); - /* Start and run TX DMA */ - val = RD4(sc, EMAC_TX_CTL_1); - WR4(sc, EMAC_TX_CTL_1, val | TX_DMA_START); + awg_dma_start_tx(sc); } }