Allow creating subclass of FDT simplebus

Provide sys/dev/fdt/simplebus.h with the class declaration so that it
is possible to subclass FDT simplebus.

Differential Revision:	https://reviews.freebsd.org/D1886
Reviewed by:	nwhitehorn, imp
This commit is contained in:
jchandra 2015-02-27 20:11:02 +00:00
parent 4cdcf09b19
commit d4f812a8b9
2 changed files with 60 additions and 25 deletions

View File

@ -38,26 +38,7 @@ __FBSDID("$FreeBSD$");
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
struct simplebus_range {
uint64_t bus;
uint64_t host;
uint64_t size;
};
struct simplebus_softc {
device_t dev;
phandle_t node;
struct simplebus_range *ranges;
int nranges;
pcell_t acells, scells;
};
struct simplebus_devinfo {
struct ofw_bus_devinfo obdinfo;
struct resource_list rl;
};
#include <dev/fdt/simplebus.h>
/*
* Bus interface.
@ -115,11 +96,9 @@ static device_method_t simplebus_methods[] = {
DEVMETHOD_END
};
static driver_t simplebus_driver = {
"simplebus",
simplebus_methods,
sizeof(struct simplebus_softc)
};
DEFINE_CLASS_0(simplebus, simplebus_driver, simplebus_methods,
sizeof(struct simplebus_softc));
static devclass_t simplebus_devclass;
EARLY_DRIVER_MODULE(simplebus, ofwbus, simplebus_driver, simplebus_devclass,
0, 0, BUS_PASS_BUS);

56
sys/dev/fdt/simplebus.h Normal file
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@ -0,0 +1,56 @@
/*-
* Copyright (c) 2013 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.
*
* $FreeBSD$
*/
#ifndef _FDT_SIMPLEBUS_PRIVATE_H
#define _FDT_SIMPLEBUS_PRIVATE_H
/* FDT simplebus */
DECLARE_CLASS(simplebus_driver);
struct simplebus_range {
uint64_t bus;
uint64_t host;
uint64_t size;
};
/* devinfo and softc */
struct simplebus_softc {
device_t dev;
phandle_t node;
struct simplebus_range *ranges;
int nranges;
pcell_t acells, scells;
};
struct simplebus_devinfo {
struct ofw_bus_devinfo obdinfo;
struct resource_list rl;
};
#endif /* _FDT_SIMPLEBUS_PRIVATE_H */