freebsd-skq/sys/mips/nlm/dev/cfi_pci_xlp.c
jchandra 1573bb43e4 NOR flash driver for XLP.
The NOR interface on the SoC appears on the top level PCI bus. Add
a simple driver for this.
2012-03-27 15:16:38 +00:00

78 lines
2.3 KiB
C

/*-
* Copyright (c) 2003-2012 Broadcom Corporation
* 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 BROADCOM ``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 BROADCOM 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/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/pci/pcivar.h>
#include <dev/cfi/cfi_var.h>
#include <mips/nlm/hal/haldefs.h>
#include <mips/nlm/hal/iomap.h>
static int cfi_xlp_probe(device_t dev);
static device_method_t cfi_xlp_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, cfi_xlp_probe),
DEVMETHOD(device_attach, cfi_attach),
DEVMETHOD(device_detach, cfi_detach),
DEVMETHOD_END
};
static driver_t cfi_xlp_driver = {
cfi_driver_name,
cfi_xlp_methods,
sizeof(struct cfi_softc),
};
static int
cfi_xlp_probe(device_t dev)
{
if (pci_get_vendor(dev) != PCI_VENDOR_NETLOGIC ||
pci_get_device(dev) != PCI_DEVICE_ID_NLM_NOR)
return (ENXIO);
device_set_desc(dev, "Netlogic XLP NOR Bus");
return (cfi_probe(dev));
}
DRIVER_MODULE(cfi_xlp, pci, cfi_xlp_driver, cfi_devclass, 0, 0);