Date: Tue, 26 Apr 2016 12:33:25 +0000 (UTC) From: Ruslan Bukin <br@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298633 - head/sys/riscv/riscv Message-ID: <201604261233.u3QCXPKh090001@repo.freebsd.org>
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Author: br Date: Tue Apr 26 12:33:25 2016 New Revision: 298633 URL: https://svnweb.freebsd.org/changeset/base/298633 Log: Add the implementation of OF_decode_addr(). Added: head/sys/riscv/riscv/ofw_machdep.c (contents, props changed) Added: head/sys/riscv/riscv/ofw_machdep.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/riscv/riscv/ofw_machdep.c Tue Apr 26 12:33:25 2016 (r298633) @@ -0,0 +1,58 @@ +/*- + * 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_size_t *sz) +{ + 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; + + if (sz != NULL) + *sz = size; + + return (bus_space_map(*tag, addr, size, 0, handle)); +}
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