1234093Sstas/*- 2234093Sstas * Copyright (c) 2009 Roelof Jonkman, Carlson Wireless Inc. 3234093Sstas * Copyright (c) 2009 Sam Leffler, Errno Consulting 4234093Sstas * All rights reserved. 5234093Sstas * 6234093Sstas * Redistribution and use in source and binary forms, with or without 7235107Sstas * modification, are permitted provided that the following conditions 8235107Sstas * are met: 9234093Sstas * 1. Redistributions of source code must retain the above copyright 10234093Sstas * notice, this list of conditions and the following disclaimer. 11234093Sstas * 2. Redistributions in binary form must reproduce the above copyright 12235107Sstas * notice, this list of conditions and the following disclaimer in the 13272862Shrs * documentation and/or other materials provided with the distribution. 14272862Shrs * 15272862Shrs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16272862Shrs * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17272862Shrs * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18272862Shrs * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19272862Shrs * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20272862Shrs * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21272862Shrs * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22234093Sstas * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23234093Sstas * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/module.h> 37#include <sys/rman.h> 38#include <sys/sysctl.h> 39 40#include <machine/bus.h> 41 42#include <dev/cfi/cfi_var.h> 43 44#include <arm/xscale/ixp425/ixp425reg.h> 45#include <arm/xscale/ixp425/ixp425var.h> 46 47static int 48cfi_ixp4xx_probe(device_t dev) 49{ 50 struct cfi_softc *sc = device_get_softc(dev); 51 /* 52 * NB: we assume the boot loader sets up EXP_TIMING_CS0_OFFSET 53 * according to the flash on the board. If it does not then it 54 * can be done here. 55 */ 56 if (bootverbose) { 57 struct ixp425_softc *sa = 58 device_get_softc(device_get_parent(dev)); 59 device_printf(dev, "EXP_TIMING_CS0_OFFSET 0x%x\n", 60 EXP_BUS_READ_4(sa, EXP_TIMING_CS0_OFFSET)); 61 } 62 sc->sc_width = 2; /* NB: don't probe interface width */ 63 return cfi_probe(dev); 64} 65 66static device_method_t cfi_ixp4xx_methods[] = { 67 /* device interface */ 68 DEVMETHOD(device_probe, cfi_ixp4xx_probe), 69 DEVMETHOD(device_attach, cfi_attach), 70 DEVMETHOD(device_detach, cfi_detach), 71 72 DEVMETHOD_END 73}; 74 75static driver_t cfi_ixp4xx_driver = { 76 cfi_driver_name, 77 cfi_ixp4xx_methods, 78 sizeof(struct cfi_softc), 79}; 80DRIVER_MODULE(cfi, ixp, cfi_ixp4xx_driver, cfi_devclass, 0, 0); 81