diff options
-rw-r--r-- | sys/arm64/arm64/ofw_machdep.c | 54 | ||||
-rw-r--r-- | sys/conf/files.arm64 | 1 |
2 files changed, 55 insertions, 0 deletions
diff --git a/sys/arm64/arm64/ofw_machdep.c b/sys/arm64/arm64/ofw_machdep.c new file mode 100644 index 0000000..5ea1594 --- /dev/null +++ b/sys/arm64/arm64/ofw_machdep.c @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 2015 Ian Lepore <ian@freebsd.org> + * 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 <machine/bus.h> + +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_subr.h> + +extern struct bus_space memmap_bus; + +int +OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag, + bus_space_handle_t *handle) +{ + bus_addr_t addr; + bus_size_t size; + int err; + + err = ofw_reg_to_paddr(dev, regno, &addr, &size, NULL); + if (err != 0) + return (err); + + *tag = memmap_bus; + return (bus_space_map(*tag, addr, size, 0, handle)); +} diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64 index 6ecf36a..a128967 100644 --- a/sys/conf/files.arm64 +++ b/sys/conf/files.arm64 @@ -38,6 +38,7 @@ arm64/arm64/mem.c standard arm64/arm64/minidump_machdep.c standard arm64/arm64/mp_machdep.c optional smp arm64/arm64/nexus.c standard +arm64/arm64/ofw_machdep.c optional fdt arm64/arm64/pic_if.m standard arm64/arm64/pmap.c standard arm64/arm64/stack_machdep.c optional ddb | stack |