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Diffstat (limited to 'sys/dev/fdt/simplebus.h')
| -rw-r--r-- | sys/dev/fdt/simplebus.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sys/dev/fdt/simplebus.h b/sys/dev/fdt/simplebus.h new file mode 100644 index 000000000000..25f2cb534e0f --- /dev/null +++ b/sys/dev/fdt/simplebus.h @@ -0,0 +1,71 @@ +/*- + * 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. + */ + +#ifndef _FDT_SIMPLEBUS_H +#define _FDT_SIMPLEBUS_H + +#include <dev/ofw/ofw_bus.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; +#define SB_FLAG_NO_RANGES (1 << 0) /* Bus doesn't have ranges property */ + int flags; + + pcell_t acells, scells; +}; + +struct simplebus_devinfo { + struct ofw_bus_devinfo obdinfo; + struct resource_list rl; +}; + +void simplebus_init(device_t dev, phandle_t node); +device_t simplebus_add_device(device_t dev, phandle_t node, u_int order, + const char *name, int unit, struct simplebus_devinfo *di); +struct simplebus_devinfo *simplebus_setup_dinfo(device_t dev, phandle_t node, + struct simplebus_devinfo *di); +int simplebus_fill_ranges(phandle_t node, + struct simplebus_softc *sc); + +int simplebus_attach(device_t dev); +int simplebus_attach_impl(device_t dev); +int simplebus_detach(device_t dev); + +#endif /* _FDT_SIMPLEBUS_H */ |