svn commit: r258525 - in projects/specific_leg/sys: arm/arm arm/broadcom/bcm2835 arm/include conf dev/fdt
Andrew Turner
andrew at FreeBSD.org
Sun Nov 24 12:48:57 UTC 2013
Author: andrew
Date: Sun Nov 24 12:48:55 2013
New Revision: 258525
URL: http://svnweb.freebsd.org/changeset/base/258525
Log:
Add the start of the platform code. This is mostly copied from PowerPC. The
machine independent parts will be merged later when these parts have been
found.
Added:
projects/specific_leg/sys/arm/arm/platform.c (contents, props changed)
projects/specific_leg/sys/arm/arm/platform_if.m
projects/specific_leg/sys/arm/include/platform.h (contents, props changed)
projects/specific_leg/sys/arm/include/platformvar.h (contents, props changed)
projects/specific_leg/sys/dev/fdt/fdt_platform.c (contents, props changed)
Modified:
projects/specific_leg/sys/arm/arm/machdep.c
projects/specific_leg/sys/arm/broadcom/bcm2835/bcm2835_machdep.c
projects/specific_leg/sys/arm/include/fdt.h
projects/specific_leg/sys/conf/files.arm
Modified: projects/specific_leg/sys/arm/arm/machdep.c
==============================================================================
--- projects/specific_leg/sys/arm/arm/machdep.c Sun Nov 24 11:55:07 2013 (r258524)
+++ projects/specific_leg/sys/arm/arm/machdep.c Sun Nov 24 12:48:55 2013 (r258525)
@@ -96,6 +96,7 @@ __FBSDID("$FreeBSD$");
#include <machine/md_var.h>
#include <machine/metadata.h>
#include <machine/pcb.h>
+#include <machine/platform.h>
#include <machine/reg.h>
#include <machine/trap.h>
#include <machine/undefined.h>
@@ -1238,6 +1239,8 @@ initarm(struct arm_boot_params *abp)
if (OF_init((void *)dtbp) != 0)
while (1);
+ platform_probe_and_attach();
+
/* Grab physical memory regions information from device tree. */
if (fdt_get_mem_regions(memory_regions, &memory_regions_sz,
&memsize) != 0)
Added: projects/specific_leg/sys/arm/arm/platform.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/specific_leg/sys/arm/arm/platform.c Sun Nov 24 12:48:55 2013 (r258525)
@@ -0,0 +1,248 @@
+/*-
+ * Copyright (c) 2005 Peter Grehan
+ * Copyright (c) 2009 Nathan Whitehorn
+ * 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("$FreeBSD$");
+
+/*
+ * Dispatch platform calls to the appropriate platform implementation
+ * through a previously registered kernel object.
+ */
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/ktr.h>
+#include <sys/mutex.h>
+#include <sys/systm.h>
+#include <sys/smp.h>
+#include <sys/sysctl.h>
+#include <sys/types.h>
+
+#include <vm/vm.h>
+#include <vm/vm_page.h>
+
+#include <machine/cpu.h>
+#include <machine/md_var.h>
+#include <machine/platform.h>
+#include <machine/platformvar.h>
+#include <machine/smp.h>
+
+#include "platform_if.h"
+
+static platform_def_t *plat_def_impl;
+static platform_t plat_obj;
+static struct kobj_ops plat_kernel_kops;
+static struct platform_kobj plat_kernel_obj;
+
+static char plat_name[64] = "";
+SYSCTL_STRING(_hw, OID_AUTO, platform, CTLFLAG_RD | CTLFLAG_TUN,
+ plat_name, 0, "Platform currently in use");
+
+static struct mem_region *pregions = NULL;
+static struct mem_region *aregions = NULL;
+static int npregions, naregions;
+
+void
+mem_regions(struct mem_region **phys, int *physsz, struct mem_region **avail,
+ int *availsz)
+{
+ if (pregions == NULL)
+ PLATFORM_MEM_REGIONS(plat_obj, &pregions, &npregions,
+ &aregions, &naregions);
+
+ *phys = pregions;
+ *avail = aregions;
+ *physsz = npregions;
+ *availsz = naregions;
+}
+
+#if 0
+int
+mem_valid(vm_offset_t addr, int len)
+{
+ int i;
+
+ if (pregions == NULL)
+ PLATFORM_MEM_REGIONS(plat_obj, &pregions, &npregions,
+ &aregions, &naregions);
+
+ for (i = 0; i < npregions; i++)
+ if ((addr >= pregions[i].mr_start)
+ && (addr + len <= pregions[i].mr_start + pregions[i].mr_size))
+ return (0);
+
+ return (EFAULT);
+}
+#endif
+
+vm_offset_t
+platform_real_maxaddr(void)
+{
+ return (PLATFORM_REAL_MAXADDR(plat_obj));
+}
+
+#if 0
+const char *
+installed_platform()
+{
+ return (plat_def_impl->name);
+}
+
+u_long
+platform_timebase_freq(struct cpuref *cpu)
+{
+ return (PLATFORM_TIMEBASE_FREQ(plat_obj, cpu));
+}
+
+int
+platform_smp_first_cpu(struct cpuref *cpu)
+{
+ return (PLATFORM_SMP_FIRST_CPU(plat_obj, cpu));
+}
+
+int
+platform_smp_next_cpu(struct cpuref *cpu)
+{
+ return (PLATFORM_SMP_NEXT_CPU(plat_obj, cpu));
+}
+
+int
+platform_smp_get_bsp(struct cpuref *cpu)
+{
+ return (PLATFORM_SMP_GET_BSP(plat_obj, cpu));
+}
+
+int
+platform_smp_start_cpu(struct pcpu *cpu)
+{
+ return (PLATFORM_SMP_START_CPU(plat_obj, cpu));
+}
+
+void
+platform_smp_ap_init()
+{
+ PLATFORM_SMP_AP_INIT(plat_obj);
+}
+#endif
+
+#ifdef SMP
+struct cpu_group *
+cpu_topo(void)
+{
+ return (PLATFORM_SMP_TOPO(plat_obj));
+}
+#endif
+
+#if 0
+/*
+ * Reset back to firmware.
+ */
+void
+cpu_reset()
+{
+ PLATFORM_RESET(plat_obj);
+}
+#endif
+
+/*
+ * Platform install routines. Highest priority wins, using the same
+ * algorithm as bus attachment.
+ */
+SET_DECLARE(platform_set, platform_def_t);
+
+void
+platform_probe_and_attach(void)
+{
+ platform_def_t **platpp, *platp;
+ int prio, best_prio;
+
+ plat_obj = &plat_kernel_obj;
+ best_prio = 0;
+
+printf("platform_probe_and_attach\n");
+ /*
+ * Try to locate the best platform kobj
+ */
+ SET_FOREACH(platpp, platform_set) {
+ platp = *platpp;
+printf("platp = %p %p\n", platp, platp->baseclasses);
+
+ /*
+ * Take care of compiling the selected class, and
+ * then statically initialise the MMU object
+ */
+ kobj_class_compile_static(platp, &plat_kernel_kops);
+ kobj_init_static((kobj_t)plat_obj, platp);
+
+ plat_obj->cls = platp;
+
+ prio = PLATFORM_PROBE(plat_obj);
+
+ /* Check for errors */
+ if (prio > 0)
+ continue;
+
+ /*
+ * Check if this module was specifically requested through
+ * the loader tunable we provide.
+ */
+ if (strcmp(platp->name,plat_name) == 0) {
+ plat_def_impl = platp;
+ break;
+ }
+
+ /* Otherwise, see if it is better than our current best */
+ if (plat_def_impl == NULL || prio > best_prio) {
+ best_prio = prio;
+ plat_def_impl = platp;
+ }
+
+ /*
+ * We can't free the KOBJ, since it is static. Reset the ops
+ * member of this class so that we can come back later.
+ */
+ platp->ops = NULL;
+ }
+
+ if (plat_def_impl == NULL)
+ panic("No platform module found!");
+
+ /*
+ * Recompile to make sure we ended with the
+ * correct one, and then attach.
+ */
+
+ kobj_class_compile_static(plat_def_impl, &plat_kernel_kops);
+ kobj_init_static((kobj_t)plat_obj, plat_def_impl);
+
+ strlcpy(plat_name,plat_def_impl->name,sizeof(plat_name));
+
+ PLATFORM_ATTACH(plat_obj);
+}
+
Added: projects/specific_leg/sys/arm/arm/platform_if.m
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/specific_leg/sys/arm/arm/platform_if.m Sun Nov 24 12:48:55 2013 (r258525)
@@ -0,0 +1,108 @@
+#-
+# Copyright (c) 2009 Nathan Whitehorn
+# 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.
+#
+# $FreeBSD: projects/specific_leg/sys/powerpc/powerpc/platform_if.m 255417 2013-09-09 12:49:19Z nwhitehorn $
+#
+
+#include <sys/param.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/systm.h>
+#include <sys/smp.h>
+
+#include <machine/platform.h>
+#include <machine/platformvar.h>
+#include <machine/smp.h>
+#include <machine/vmparam.h>
+
+/**
+ * @defgroup PLATFORM platform - KObj methods for PowerPC platform
+ * implementations
+ * @brief A set of methods required by all platform implementations.
+ * These are used to bring up secondary CPUs, supply the physical memory
+ * map, etc.
+ *@{
+ */
+
+INTERFACE platform;
+
+#
+# Default implementations
+#
+CODE {
+ static void platform_null_attach(platform_t plat)
+ {
+ return;
+ }
+#if 0
+ static int platform_null_smp_first_cpu(platform_t plat,
+ struct cpuref *cpuref)
+ {
+ cpuref->cr_hwref = -1;
+ cpuref->cr_cpuid = 0;
+ return (0);
+ }
+ static int platform_null_smp_next_cpu(platform_t plat,
+ struct cpuref *_cpuref)
+ {
+ return (ENOENT);
+ }
+ static struct cpu_group *platform_null_smp_topo(platform_t plat)
+ {
+#ifdef SMP
+ return (smp_topo_none());
+#else
+ return (NULL);
+#endif
+ }
+#endif
+ static vm_offset_t platform_null_real_maxaddr(platform_t plat)
+ {
+ return (VM_MAX_ADDRESS);
+ }
+ static void platform_null_smp_ap_init(platform_t plat)
+ {
+ return;
+ }
+};
+
+/**
+ * @brief Probe for whether we are on this platform, returning the standard
+ * newbus probe codes. If we have Open Firmware or a flattened device tree,
+ * it is guaranteed to be available at this point.
+ */
+METHOD int probe {
+ platform_t _plat;
+};
+
+/**
+ * @brief Attach this platform module. This happens before the MMU is online,
+ * so the platform module can install its own high-priority MMU module at
+ * this point.
+ */
+METHOD int attach {
+ platform_t _plat;
+} DEFAULT platform_null_attach;
+
Modified: projects/specific_leg/sys/arm/broadcom/bcm2835/bcm2835_machdep.c
==============================================================================
--- projects/specific_leg/sys/arm/broadcom/bcm2835/bcm2835_machdep.c Sun Nov 24 11:55:07 2013 (r258524)
+++ projects/specific_leg/sys/arm/broadcom/bcm2835/bcm2835_machdep.c Sun Nov 24 12:48:55 2013 (r258525)
@@ -54,11 +54,14 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
#include <machine/devmap.h>
#include <machine/machdep.h>
+#include <machine/platformvar.h>
#include <dev/fdt/fdt_common.h>
#include <arm/broadcom/bcm2835/bcm2835_wdog.h>
+#include "platform_if.h"
+
/* Start of address space used for bootstrap map */
#define DEVMAP_BOOTSTRAP_MAP_START 0xE0000000
@@ -145,3 +148,9 @@ cpu_reset()
while (1);
}
+static platform_method_t bcm2835_methods[] = {
+ PLATFORMMETHOD_END,
+};
+
+FDT_PLATFORM_DEF(bcm2835, "bcm2835", 0, "raspberrypi,model-b");
+
Modified: projects/specific_leg/sys/arm/include/fdt.h
==============================================================================
--- projects/specific_leg/sys/arm/include/fdt.h Sun Nov 24 11:55:07 2013 (r258524)
+++ projects/specific_leg/sys/arm/include/fdt.h Sun Nov 24 12:48:55 2013 (r258525)
@@ -39,6 +39,7 @@
#include <machine/bus.h>
#include <machine/intr.h>
+#include <machine/platform.h>
/* Max interrupt number */
#define FDT_INTR_MAX NIRQ
@@ -51,11 +52,6 @@
*/
extern bus_space_tag_t fdtbus_bs_tag;
-struct mem_region {
- vm_offset_t mr_start;
- vm_size_t mr_size;
-};
-
struct arm_devmap_entry;
int fdt_localbus_devmap(phandle_t, struct arm_devmap_entry *, int, int *);
Added: projects/specific_leg/sys/arm/include/platform.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/specific_leg/sys/arm/include/platform.h Sun Nov 24 12:48:55 2013 (r258525)
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (C) 1996 Wolfgang Solfrank.
+ * Copyright (C) 1996 TooLs GmbH.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
+ *
+ * $NetBSD: powerpc.h,v 1.3 2000/06/01 00:49:59 matt Exp $
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PLATFORM_H_
+#define _MACHINE_PLATFORM_H_
+
+struct mem_region {
+ vm_offset_t mr_start;
+ vm_size_t mr_size;
+};
+
+void mem_regions(struct mem_region **, int *, struct mem_region **, int *);
+vm_offset_t platform_real_maxaddr(void);
+
+#if 0
+u_long platform_timebase_freq(struct cpuref *);
+
+int platform_smp_first_cpu(struct cpuref *);
+int platform_smp_next_cpu(struct cpuref *);
+int platform_smp_get_bsp(struct cpuref *);
+int platform_smp_start_cpu(struct pcpu *);
+void platform_smp_ap_init(void);
+
+const char *installed_platform(void);
+#endif
+void platform_probe_and_attach(void);
+
+#endif /* _MACHINE_PLATFORM_H_ */
Added: projects/specific_leg/sys/arm/include/platformvar.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/specific_leg/sys/arm/include/platformvar.h Sun Nov 24 12:48:55 2013 (r258525)
@@ -0,0 +1,124 @@
+/*-
+ * Copyright (c) 2005 Peter Grehan
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PLATFORMVAR_H_
+#define _MACHINE_PLATFORMVAR_H_
+
+/*
+ * A PowerPC platform implementation is declared with a kernel object and
+ * an associated method table, similar to a device driver.
+ *
+ * e.g.
+ *
+ * static platform_method_t chrp_methods[] = {
+ * PLATFORMMETHOD(platform_probe, chrp_probe),
+ * PLATFORMMETHOD(platform_mem_regions, ofw_mem_regions),
+ * ...
+ * PLATFORMMETHOD(platform_smp_first_cpu, chrp_smp_first_cpu),
+ * PLATFORMMETHOD_END
+ * };
+ *
+ * static platform_def_t chrp_platform = {
+ * "chrp",
+ * chrp_methods,
+ * sizeof(chrp_platform_softc), // or 0 if no softc
+ * };
+ *
+ * PLATFORM_DEF(chrp_platform);
+ */
+
+#include <sys/kobj.h>
+#include <sys/linker_set.h>
+
+struct platform_kobj {
+ /*
+ * A platform instance is a kernel object
+ */
+ KOBJ_FIELDS;
+
+ /* Platform class, for access to class specific data */
+ struct kobj_class *cls;
+
+#if 0
+ /*
+ * Utility elements that an instance may use
+ */
+ struct mtx platform_mtx; /* available for instance use */
+ void *platform_iptr; /* instance data pointer */
+
+ /*
+ * Opaque data that can be overlaid with an instance-private
+ * structure. Platform code can test that this is large enough at
+ * compile time with a sizeof() test againt it's softc. There
+ * is also a run-time test when the platform kernel object is
+ * registered.
+ */
+#define PLATFORM_OPAQUESZ 64
+ u_int platform_opaque[PLATFORM_OPAQUESZ];
+#endif
+};
+
+typedef struct platform_kobj *platform_t;
+typedef struct kobj_class platform_def_t;
+#define platform_method_t kobj_method_t
+
+#define PLATFORMMETHOD KOBJMETHOD
+#define PLATFORMMETHOD_END KOBJMETHOD_END
+
+#define PLATFORM_DEF(name) DATA_SET(platform_set, name)
+
+#ifdef FDT
+struct fdt_platform_class {
+ KOBJ_CLASS_FIELDS;
+
+ const char *fdt_compatible;
+};
+
+typedef struct fdt_platform_class fdt_platform_def_t;
+
+extern platform_method_t fdt_platform_methods[];
+
+#define FDT_PLATFORM_DEF(NAME, NAME_STR, size, compatible) \
+static fdt_platform_def_t NAME ## _fdt_platform = { \
+ .name = NAME_STR, \
+ .methods = fdt_platform_methods, \
+ .fdt_compatible = compatible, \
+}; \
+static kobj_class_t NAME ## _baseclasses[] = \
+ { (kobj_class_t)&NAME ## _fdt_platform, NULL }; \
+static platform_def_t NAME ## _platform = { \
+ NAME_STR, \
+ NAME ## _methods, \
+ size, \
+ NAME ## _baseclasses, \
+}; \
+DATA_SET(platform_set, NAME ## _platform)
+
+#endif
+
+#endif /* _MACHINE_PLATFORMVAR_H_ */
Modified: projects/specific_leg/sys/conf/files.arm
==============================================================================
--- projects/specific_leg/sys/conf/files.arm Sun Nov 24 11:55:07 2013 (r258524)
+++ projects/specific_leg/sys/conf/files.arm Sun Nov 24 12:48:55 2013 (r258525)
@@ -35,6 +35,8 @@ arm/arm/mp_machdep.c optional smp
arm/arm/nexus.c standard
arm/arm/pl190.c optional pl190
arm/arm/pl310.c optional pl310
+arm/arm/platform.c standard
+arm/arm/platform_if.m standard
arm/arm/pmap.c optional cpu_arm9 | cpu_arm9e | cpu_fa526 | cpu_sa1100 | cpu_sa1110 | cpu_xscale_80219 | cpu_xscale_80321 | cpu_xscale_81342 | cpu_xscale_ixp425 | cpu_xscale_ixp435 | cpu_xscale_pxa2x0
arm/arm/pmap-v6.c optional cpu_arm1136 | cpu_arm1176 | cpu_cortexa | cpu_mv_pj4b
arm/arm/sc_machdep.c optional sc
@@ -61,6 +63,7 @@ cddl/compat/opensolaris/kern/opensolaris
crypto/blowfish/bf_enc.c optional crypto | ipsec
crypto/des/des_enc.c optional crypto | ipsec | netsmb
dev/fb/fb.c optional sc
+dev/fdt/fdt_platform.c optional fdt
dev/hwpmc/hwpmc_arm.c optional hwpmc
dev/kbd/kbd.c optional sc
dev/syscons/scgfbrndr.c optional sc
Added: projects/specific_leg/sys/dev/fdt/fdt_platform.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/specific_leg/sys/dev/fdt/fdt_platform.c Sun Nov 24 12:48:55 2013 (r258525)
@@ -0,0 +1,69 @@
+/*-
+ * Copyright (c) 2013 Andrew Turner
+ * 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 "opt_platform.h"
+
+#include <sys/param.h>
+
+#include <arm/include/platform.h>
+#include <arm/include/platformvar.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/fdt/fdt_common.h>
+
+#include "platform_if.h"
+
+#define FDT_PLATFORM(plat) \
+ ((fdt_platform_def_t *)(plat)->cls->baseclasses[0])
+
+static int
+fdt_platform_probe(platform_t plat)
+{
+ const char *compat;
+ phandle_t root;
+
+ /*
+ * TODO: Make these KASSERTs, we should only be here if we
+ * are using the FDT platform magic.
+ */
+ if (plat->cls == NULL || FDT_PLATFORM(plat) == NULL)
+ return 1;
+
+ /* Is the device is compatible? */
+ root = OF_finddevice("/");
+ compat = FDT_PLATFORM(plat)->fdt_compatible;
+ if (fdt_is_compatible(root, compat) != 0)
+ return 0;
+
+ /* Not compatible, return an error */
+ return 1;
+}
+
+platform_method_t fdt_platform_methods[] = {
+ PLATFORMMETHOD(platform_probe, fdt_platform_probe),
+ PLATFORMMETHOD_END
+};
+
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