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FDT(4): Port to RTEMS
This commit is contained in:
Sebastian Huber
58
rtemsbsd/rtems/ofw_machdep.c
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58
rtemsbsd/rtems/ofw_machdep.c
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@@ -0,0 +1,58 @@
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#include <machine/rtems-bsd-kernel-space.h>
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/*-
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* Copyright (c) 2015 Ian Lepore <ian@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/ofw_subr.h>
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int
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OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag,
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bus_space_handle_t *handle, bus_size_t *sz)
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{
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bus_addr_t addr;
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bus_size_t size;
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int err;
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err = ofw_reg_to_paddr(dev, regno, &addr, &size, NULL);
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if (err != 0)
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return (err);
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*tag = 0;
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if (sz != NULL)
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*sz = size;
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return (bus_space_map(*tag, addr, size, 0, handle));
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}
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@@ -7,7 +7,7 @@
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*/
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/*
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* Copyright (c) 2009-2015 embedded brains GmbH. All rights reserved.
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* Copyright (c) 2009, 2017 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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@@ -50,11 +50,21 @@
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <rtems/bsd/local/opt_platform.h>
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#ifdef FDT
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#include <dev/ofw/ofw_bus.h>
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#endif
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#include <rtems/bsd/bsd.h>
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#include <rtems/irq-extension.h>
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/* #define DISABLE_INTERRUPT_EXTENSION */
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#if defined(__i386__) || defined(FDT)
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#define ENABLE_RESOURCE_ACTIVATE_DEACTIVATE
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#endif
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RTEMS_BSD_DECLARE_SET(nexus, rtems_bsd_device);
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RTEMS_BSD_DEFINE_SET(nexus, rtems_bsd_device);
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@@ -205,17 +215,24 @@ nexus_release_resource(device_t bus, device_t child, int type, int rid,
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return (rman_release_resource(res));
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}
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#ifdef __i386__
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#ifdef ENABLE_RESOURCE_ACTIVATE_DEACTIVATE
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static int
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nexus_activate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *res)
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{
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switch (type) {
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#ifdef __i386__
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case SYS_RES_IOPORT:
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rman_set_bustag(res, X86_BUS_SPACE_IO);
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break;
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#endif
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case SYS_RES_MEMORY:
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#ifdef __i386__
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rman_set_bustag(res, X86_BUS_SPACE_MEM);
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#else
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rman_set_bushandle(res, rman_get_start(res));
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#endif
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break;
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}
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return (rman_activate_resource(res));
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@@ -330,6 +347,16 @@ nexus_teardown_intr(device_t dev, device_t child, struct resource *res,
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return (err);
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}
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#ifdef FDT
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static int
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nexus_ofw_map_intr(device_t dev, device_t child, phandle_t iparent, int icells,
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pcell_t *intr)
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{
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return ((int)bsp_fdt_map_intr(intr[0]));
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}
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#endif /* FDT */
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static device_method_t nexus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, nexus_probe),
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@@ -344,13 +371,18 @@ static device_method_t nexus_methods[] = {
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DEVMETHOD(bus_add_child, bus_generic_add_child),
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DEVMETHOD(bus_alloc_resource, nexus_alloc_resource),
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DEVMETHOD(bus_release_resource, nexus_release_resource),
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#ifdef __i386__
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#ifdef ENABLE_RESOURCE_ACTIVATE_DEACTIVATE
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DEVMETHOD(bus_activate_resource, nexus_activate_resource),
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DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
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#endif
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DEVMETHOD(bus_setup_intr, nexus_setup_intr),
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DEVMETHOD(bus_teardown_intr, nexus_teardown_intr),
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#ifdef FDT
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/* OFW interface */
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DEVMETHOD(ofw_bus_map_intr, nexus_ofw_map_intr),
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#endif
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{ 0, 0 }
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};
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