Module Name: src Committed By: jmcneill Date: Fri Sep 12 15:29:30 UTC 2014
Modified Files: src/sys/arch/arm/broadcom: bcm2835_dmac.c src/sys/arch/evbarm/rpi: rpi_machdep.c Log Message: use dma channel mask from firmware To generate a diff of this commit: cvs rdiff -u -r1.2 -r1.3 src/sys/arch/arm/broadcom/bcm2835_dmac.c cvs rdiff -u -r1.46 -r1.47 src/sys/arch/evbarm/rpi/rpi_machdep.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/arm/broadcom/bcm2835_dmac.c diff -u src/sys/arch/arm/broadcom/bcm2835_dmac.c:1.2 src/sys/arch/arm/broadcom/bcm2835_dmac.c:1.3 --- src/sys/arch/arm/broadcom/bcm2835_dmac.c:1.2 Sun Sep 7 15:21:27 2014 +++ src/sys/arch/arm/broadcom/bcm2835_dmac.c Fri Sep 12 15:29:30 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: bcm2835_dmac.c,v 1.2 2014/09/07 15:21:27 jmcneill Exp $ */ +/* $NetBSD: bcm2835_dmac.c,v 1.3 2014/09/12 15:29:30 jmcneill Exp $ */ /*- * Copyright (c) 2014 Jared D. McNeill <jmcne...@invisible.ca> @@ -29,7 +29,7 @@ #include "opt_ddb.h" #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: bcm2835_dmac.c,v 1.2 2014/09/07 15:21:27 jmcneill Exp $"); +__KERNEL_RCSID(0, "$NetBSD: bcm2835_dmac.c,v 1.3 2014/09/12 15:29:30 jmcneill Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -109,6 +109,7 @@ static void bcm_dmac_attach(device_t parent, device_t self, void *aux) { struct bcm_dmac_softc *sc = device_private(self); + const prop_dictionary_t *cfg = device_properties(self); struct bcm_dmac_channel *ch; struct amba_attach_args *aaa = aux; uint32_t val; @@ -123,12 +124,12 @@ bcm_dmac_attach(device_t parent, device_ return; } - sc->sc_channelmask = BCM_DMAC_CHANNELMASK; - sc->sc_nchannels = 31 - __builtin_clz(sc->sc_channelmask); + prop_dictionary_get_uint32(cfg, "chanmask", &sc->sc_channelmask); + sc->sc_channelmask &= BCM_DMAC_CHANNELMASK; mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SCHED); - sc->sc_nchannels = 31 - __builtin_clz(BCM_DMAC_CHANNELMASK); + sc->sc_nchannels = 31 - __builtin_clz(sc->sc_channelmask); sc->sc_channels = kmem_alloc( sizeof(*sc->sc_channels) * sc->sc_nchannels, KM_SLEEP); if (sc->sc_channels == NULL) { Index: src/sys/arch/evbarm/rpi/rpi_machdep.c diff -u src/sys/arch/evbarm/rpi/rpi_machdep.c:1.46 src/sys/arch/evbarm/rpi/rpi_machdep.c:1.47 --- src/sys/arch/evbarm/rpi/rpi_machdep.c:1.46 Sun Sep 7 15:28:24 2014 +++ src/sys/arch/evbarm/rpi/rpi_machdep.c Fri Sep 12 15:29:30 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: rpi_machdep.c,v 1.46 2014/09/07 15:28:24 skrll Exp $ */ +/* $NetBSD: rpi_machdep.c,v 1.47 2014/09/12 15:29:30 jmcneill Exp $ */ /*- * Copyright (c) 2012 The NetBSD Foundation, Inc. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.46 2014/09/07 15:28:24 skrll Exp $"); +__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.47 2014/09/12 15:29:30 jmcneill Exp $"); #include "opt_evbarm_boardtype.h" #include "opt_ddb.h" @@ -892,6 +892,11 @@ rpi_device_register(device_t dev, void * { prop_dictionary_t dict = device_properties(dev); + if (device_is_a(dev, "bcmdmac") && + vcprop_tag_success_p(&vb.vbt_dmachan.tag)) { + prop_dictionary_set_uint32(dict, + "chanmask", vb.vbt_dmachan.mask); + } #if NSDHC > 0 if (device_is_a(dev, "sdhc") && vcprop_tag_success_p(&vb.vbt_emmcclockrate.tag) &&