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FDT support for MIPS.

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Add architecture specific files needed to compile MIPS with
flattened device tree support.
This commit is contained in:
jchandra 2011-10-18 07:29:21 +00:00
parent 1b405df8ba
commit 37268b7866
7 changed files with 178 additions and 1 deletions
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2
sys/conf/Makefile.mips
View File

@ -28,6 +28,8 @@ S= ../../..
.endif
.include "$S/conf/kern.pre.mk"
INCLUDES+= -I$S/contrib/libfdt
LDSCRIPT_NAME?=ldscript.$M
SYSTEM_LD:= ${SYSTEM_LD:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}
SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}

11
sys/conf/files.mips
View File

@ -78,6 +78,7 @@ libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
libkern/lshrdi3.c standard
libkern/memchr.c optional fdt
libkern/memmove.c standard
libkern/moddi3.c optional isa_mips32
libkern/qdivrem.c optional isa_mips32
@ -108,3 +109,13 @@ dev/hwpmc/hwpmc_mips24k.c optional hwpmc
dev/rt/if_rt.c optional rt
dev/nvram2env/nvram2env.c optional nvram2env
dev/ofw/openfirm.c optional fdt
dev/ofw/openfirmio.c optional fdt
dev/ofw/ofw_bus_if.m optional fdt
dev/ofw/ofw_if.m optional fdt
dev/ofw/ofw_bus_subr.c optional fdt
dev/ofw/ofw_fdt.c optional fdt
dev/fdt/fdt_mips.c optional fdt

56
sys/dev/fdt/fdt_mips.c Normal file
View File

@ -0,0 +1,56 @@
/*-
* Copyright (c) 2009-2010 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 <machine/intr_machdep.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/openfirm.h>
#include "ofw_bus_if.h"
#include "fdt_common.h"
struct fdt_fixup_entry fdt_fixup_table[] = {
{ NULL, NULL }
};
fdt_pic_decode_t fdt_pic_table[] = {
NULL,
NULL,
NULL
};

7
sys/dev/fdt/fdtbus.c
View File

@ -591,6 +591,9 @@ fdtbus_setup_intr(device_t bus, device_t child, struct resource *res,
#if defined(__powerpc__)
err = powerpc_setup_intr(device_get_nameunit(child),
rman_get_start(res), filter, ihand, arg, flags, cookiep);
#elif defined(__mips__)
cpu_establish_hardintr(device_get_nameunit(child),
filter, ihand, arg, rman_get_start(res), flags, cookiep);
#elif defined(__arm__)
arm_setup_irqhandler(device_get_nameunit(child),
filter, ihand, arg, rman_get_start(res), flags, cookiep);
@ -617,7 +620,6 @@ fdtbus_deactivate_resource(device_t bus, device_t child, int type, int rid,
return (rman_deactivate_resource(res));
}
static int
fdtbus_teardown_intr(device_t bus, device_t child, struct resource *res,
void *cookie)
@ -625,6 +627,9 @@ fdtbus_teardown_intr(device_t bus, device_t child, struct resource *res,
#if defined(__powerpc__)
return (powerpc_teardown_intr(cookie));
#elif defined(__mips__)
/* mips does not have a teardown yet */
return (0);
#elif defined(__arm__)
return (arm_remove_irqhandler(rman_get_start(res), cookie));
#endif

53
sys/mips/include/fdt.h Normal file
View File

@ -0,0 +1,53 @@
/*-
* 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 <machine/bus.h>
#include <machine/intr_machdep.h>
/* Max interrupt number */
#if defined(CPU_RMI) || defined(CPU_NLM)
#define FDT_INTR_MAX XLR_MAX_INTR
#else
#define FDT_INTR_MAX (NHARD_IRQS + NSOFT_IRQS)
#endif
/* Map phandle/intpin pair to global IRQ number */
#define FDT_MAP_IRQ(node, pin) (pin)
/*
* Bus space tag. XXX endianess info needs to be derived from the blob.
*/
#define fdtbus_bs_tag NULL
#endif /* _MACHINE_FDT_H_ */

2
sys/mips/include/intr_machdep.h
View File

@ -29,6 +29,8 @@
#ifndef _MACHINE_INTR_MACHDEP_H_
#define _MACHINE_INTR_MACHDEP_H_
#include <machine/atomic.h>
#if defined(CPU_RMI) || defined(CPU_NLM)
#define XLR_MAX_INTR 64
#else

48
sys/mips/include/ofw_machdep.h Normal file
View File

@ -0,0 +1,48 @@
/*-
* Copyright (c) 2001 by Thomas Moestl <tmm@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 ``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_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/rman.h>
#include <sys/bus.h>
#include <dev/ofw/openfirm.h>
typedef uint32_t cell_t;
struct mem_region {
vm_offset_t mr_start;
vm_size_t mr_size;
};
int OF_decode_addr(phandle_t, int, bus_space_tag_t *, bus_space_handle_t *);
void OF_getetheraddr(device_t dev, u_char *addr);
void OF_initial_setup(void *fdt_ptr, void *junk, int (*openfirm)(void *));
#endif /* _MACHINE_OFW_MACHDEP_H_ */