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armada38x.c
(6.16 KB)
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armada38x_mp.c
(4.08 KB)
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armada38x_pl310.c
(2.55 KB)
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armada38x_pl310.h
(1.69 KB)
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armada38x_rtc.c
(9.52 KB)
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files.armada38x
(331 B)
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pmsu.c
(3.63 KB)
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pmsu.h
(1.48 KB)
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std.armada38x
(115 B)
Editing: pmsu.c
/*- * Copyright (c) 2015 Semihalf. * Copyright (c) 2015 Stormshield. * All rights reserved. * * 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/types.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/resource.h> #include <sys/systm.h> #include <vm/vm.h> #include <vm/pmap.h> #include <machine/cpu.h> #include <machine/fdt.h> #include <machine/smp.h> #include <dev/ofw/ofw_bus_subr.h> #include <arm/mv/mvreg.h> #include "pmsu.h" static struct resource_spec pmsu_spec[] = { { SYS_RES_MEMORY, 0, RF_ACTIVE }, { -1, 0 } }; struct pmsu_softc { device_t dev; struct resource *res; }; static int pmsu_probe(device_t dev); static int pmsu_attach(device_t dev); static int pmsu_detach(device_t dev); static device_method_t pmsu_methods[] = { DEVMETHOD(device_probe, pmsu_probe), DEVMETHOD(device_attach, pmsu_attach), DEVMETHOD(device_detach, pmsu_detach), { 0, 0 } }; static driver_t pmsu_driver = { "pmsu", pmsu_methods, sizeof(struct pmsu_softc) }; static devclass_t pmsu_devclass; DRIVER_MODULE(pmsu, simplebus, pmsu_driver, pmsu_devclass, 0, 0); DRIVER_MODULE(pmsu, ofwbus, pmsu_driver, pmsu_devclass, 0, 0); static int pmsu_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "marvell,armada-380-pmsu")) return (ENXIO); device_set_desc(dev, "Power Management Service Unit"); return (BUS_PROBE_DEFAULT); } static int pmsu_attach(device_t dev) { struct pmsu_softc *sc; int err; sc = device_get_softc(dev); sc->dev = dev; err = bus_alloc_resources(dev, pmsu_spec, &sc->res); if (err != 0) { device_printf(dev, "could not allocate resources\n"); return (ENXIO); } return (0); } static int pmsu_detach(device_t dev) { struct pmsu_softc *sc; sc = device_get_softc(dev); bus_release_resources(dev, pmsu_spec, &sc->res); return (0); } #ifdef SMP int pmsu_boot_secondary_cpu(void) { bus_space_handle_t vaddr; int rv; rv = bus_space_map(fdtbus_bs_tag, (bus_addr_t)MV_PMSU_BASE, MV_PMSU_REGS_LEN, 0, &vaddr); if (rv != 0) return (rv); /* Boot cpu1 */ bus_space_write_4(fdtbus_bs_tag, vaddr, PMSU_BOOT_ADDR_REDIRECT_OFFSET(1), pmap_kextract((vm_offset_t)mpentry)); dcache_wbinv_poc_all(); dsb(); sev(); bus_space_unmap(fdtbus_bs_tag, vaddr, MV_PMSU_REGS_LEN); return (0); } #endif
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