Date: Sun, 13 Jun 2010 13:12:52 +0000 (UTC) From: Rafal Jaworowski <raj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209130 - in head/sys: arm/include dev/fdt Message-ID: <201006131312.o5DDCqhi034591@svn.freebsd.org>
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Author: raj Date: Sun Jun 13 13:12:52 2010 New Revision: 209130 URL: http://svn.freebsd.org/changeset/base/209130 Log: Initial FDT infrastructure elements for ARM. Reviewed by: imp Sponsored by: The FreeBSD Foundation Added: head/sys/arm/include/fdt.h (contents, props changed) head/sys/arm/include/ofw_machdep.h (contents, props changed) head/sys/dev/fdt/fdt_arm.c (contents, props changed) Added: head/sys/arm/include/fdt.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/arm/include/fdt.h Sun Jun 13 13:12:52 2010 (r209130) @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 2010 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Semihalf under sponsorship from + * the FreeBSD Foundation. + * + * 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. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_FDT_H_ +#define _MACHINE_FDT_H_ + +#include <dev/ofw/openfirm.h> + +#include <vm/vm.h> +#include <vm/pmap.h> + +#include <machine/pmap.h> +#include <machine/intr.h> + +#include <arm/mv/mvvar.h> +#include <arm/mv/mvwin.h> + +/* + * This is the base virtual address the internal mem-mapped registers (IMMR) + * range is available at. + */ +#define FDT_IMMR_VA MV_BASE + +/* Max interrupt number */ +#define FDT_INTR_MAX NIRQ + +/* + * Bus space tag. XXX endianess info needs to be derived from the blob. + */ +extern bus_space_tag_t fdtbus_bs_tag; + +struct mem_region { + vm_offset_t mr_start; + vm_size_t mr_size; +}; + +int fdt_pci_devmap(phandle_t, struct pmap_devmap *devmap, vm_offset_t, + vm_offset_t); + +#endif /* _MACHINE_FDT_H_ */ Added: head/sys/arm/include/ofw_machdep.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/arm/include/ofw_machdep.h Sun Jun 13 13:12:52 2010 (r209130) @@ -0,0 +1,37 @@ +/*- + * Copyright (c) 2009 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Semihalf under sponsorship from + * the FreeBSD Foundation. + * + * 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. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_OFW_MACHDEP_H_ +#define _MACHINE_OFW_MACHDEP_H_ + +typedef uint32_t cell_t; + +#endif /* _MACHINE_OFW_MACHDEP_H_ */ Added: head/sys/dev/fdt/fdt_arm.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/fdt/fdt_arm.c Sun Jun 13 13:12:52 2010 (r209130) @@ -0,0 +1,88 @@ +/*- + * Copyright (c) 2010 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Semihalf under sponsorship from + * the FreeBSD Foundation. + * + * 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/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> + +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> +#include <dev/ofw/openfirm.h> + +#include <machine/fdt.h> + +#include "ofw_bus_if.h" + +static void +fdt_fixup_busfreq(phandle_t root) +{ + phandle_t sb; + pcell_t freq; + + /* + * This fixup sets the simple-bus bus-frequency property. + */ + + if ((sb = fdt_find_compatible(root, "simple-bus", 1)) == 0) + return; + + freq = cpu_to_fdt32(get_tclk()); + OF_setprop(sb, "bus-frequency", (void *)&freq, sizeof(freq)); +} + +struct fdt_fixup_entry fdt_fixup_table[] = { + { "mrvl,DB-88F6281", &fdt_fixup_busfreq }, + { NULL, NULL } +}; + +static int +fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, + int *pol) +{ + + if (!fdt_is_compatible(node, "mrvl,pic")) + return (ENXIO); + + *interrupt = fdt32_to_cpu(intr[0]); + *trig = INTR_TRIGGER_CONFORM; + *pol = INTR_POLARITY_CONFORM; + + return (0); +} + +fdt_pic_decode_t fdt_pic_table[] = { + &fdt_pic_decode_ic, + NULL +};
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