From 9195421e5e6821c80ae6593124db55737a827f21 Mon Sep 17 00:00:00 2001 From: raj Date: Sun, 13 Jun 2010 13:12:52 +0000 Subject: Initial FDT infrastructure elements for ARM. Reviewed by: imp Sponsored by: The FreeBSD Foundation --- sys/arm/include/fdt.h | 68 +++++++++++++++++++++++++++++++++ sys/arm/include/ofw_machdep.h | 37 ++++++++++++++++++ sys/dev/fdt/fdt_arm.c | 88 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 193 insertions(+) create mode 100644 sys/arm/include/fdt.h create mode 100644 sys/arm/include/ofw_machdep.h create mode 100644 sys/dev/fdt/fdt_arm.c diff --git a/sys/arm/include/fdt.h b/sys/arm/include/fdt.h new file mode 100644 index 0000000..c641e60 --- /dev/null +++ b/sys/arm/include/fdt.h @@ -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 + +#include +#include + +#include +#include + +#include +#include + +/* + * 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_ */ diff --git a/sys/arm/include/ofw_machdep.h b/sys/arm/include/ofw_machdep.h new file mode 100644 index 0000000..11797da --- /dev/null +++ b/sys/arm/include/ofw_machdep.h @@ -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_ */ diff --git a/sys/dev/fdt/fdt_arm.c b/sys/dev/fdt/fdt_arm.c new file mode 100644 index 0000000..1c13e06 --- /dev/null +++ b/sys/dev/fdt/fdt_arm.c @@ -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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#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 +}; -- cgit v1.1