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alpine_ccu.c
(3.52 KB)
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alpine_machdep.c
(4.17 KB)
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alpine_machdep_mp.c
(6.97 KB)
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alpine_mp.h
(1.52 KB)
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alpine_nb_service.c
(3.55 KB)
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alpine_pci.c
(4.48 KB)
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alpine_pci_msix.c
(10.67 KB)
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alpine_serdes.c
(5.37 KB)
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alpine_serdes.h
(2.22 KB)
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files.alpine
(193 B)
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std.alpine
(280 B)
Editing: alpine_nb_service.c
/*- * Copyright (c) 2015,2016 Annapurna Labs Ltd. and affiliates * All rights reserved. * * Developed by Semihalf. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/rman.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/resource.h> #include <sys/systm.h> #include <machine/bus.h> #include <dev/ofw/ofw_bus_subr.h> #define AL_NB_ACF_MISC_OFFSET 0xD0 #define AL_NB_ACF_MISC_READ_BYPASS (1 << 30) static struct resource_spec nb_service_spec[] = { { SYS_RES_MEMORY, 0, RF_ACTIVE }, { -1, 0 } }; struct nb_service_softc { struct resource *res; }; static int nb_service_probe(device_t dev); static int nb_service_attach(device_t dev); static int nb_service_detach(device_t dev); static device_method_t nb_service_methods[] = { DEVMETHOD(device_probe, nb_service_probe), DEVMETHOD(device_attach, nb_service_attach), DEVMETHOD(device_detach, nb_service_detach), { 0, 0 } }; static driver_t nb_service_driver = { "nb_service", nb_service_methods, sizeof(struct nb_service_softc) }; static devclass_t nb_service_devclass; EARLY_DRIVER_MODULE(nb_service, simplebus, nb_service_driver, nb_service_devclass, 0, 0, BUS_PASS_CPU + BUS_PASS_ORDER_MIDDLE); EARLY_DRIVER_MODULE(nb_service, ofwbus, nb_service_driver, nb_service_devclass, 0, 0, BUS_PASS_CPU + BUS_PASS_ORDER_MIDDLE); static int nb_service_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "annapurna-labs,al-nb-service")) return (ENXIO); device_set_desc(dev, "Alpine North Bridge Service"); return (BUS_PROBE_DEFAULT); } static int nb_service_attach(device_t dev) { struct nb_service_softc *sc; uint32_t val; int err; sc = device_get_softc(dev); err = bus_alloc_resources(dev, nb_service_spec, &sc->res); if (err != 0) { device_printf(dev, "could not allocate resources\n"); return (err); } /* Do not allow reads to bypass writes to different addresses */ val = bus_read_4(sc->res, AL_NB_ACF_MISC_OFFSET); val &= ~AL_NB_ACF_MISC_READ_BYPASS; bus_write_4(sc->res, AL_NB_ACF_MISC_OFFSET, val); return (0); } static int nb_service_detach(device_t dev) { struct nb_service_softc *sc; sc = device_get_softc(dev); bus_release_resources(dev, nb_service_spec, &sc->res); return (0); }
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