flash.c revision 1.2.2.2
1 1.2.2.2 ad /* $NetBSD: flash.c,v 1.2.2.2 2007/10/23 20:35:51 ad Exp $ */ 2 1.2.2.2 ad 3 1.2.2.2 ad /* 4 1.2.2.2 ad * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.2.2.2 ad * All rights reserved. 6 1.2.2.2 ad * 7 1.2.2.2 ad * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 ad * by Lennart Augustsson (lennart (at) augustsson.net) at Sandburst Corp. 9 1.2.2.2 ad * 10 1.2.2.2 ad * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 ad * modification, are permitted provided that the following conditions 12 1.2.2.2 ad * are met: 13 1.2.2.2 ad * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 ad * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 ad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 ad * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 ad * documentation and/or other materials provided with the distribution. 18 1.2.2.2 ad * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 ad * must display the following acknowledgement: 20 1.2.2.2 ad * This product includes software developed by the NetBSD 21 1.2.2.2 ad * Foundation, Inc. and its contributors. 22 1.2.2.2 ad * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 ad * contributors may be used to endorse or promote products derived 24 1.2.2.2 ad * from this software without specific prior written permission. 25 1.2.2.2 ad * 26 1.2.2.2 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 ad * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 ad */ 38 1.2.2.2 ad 39 1.2.2.2 ad #include <sys/cdefs.h> 40 1.2.2.2 ad __KERNEL_RCSID(0, "$NetBSD: flash.c,v 1.2.2.2 2007/10/23 20:35:51 ad Exp $"); 41 1.2.2.2 ad 42 1.2.2.2 ad #include <sys/param.h> 43 1.2.2.2 ad #include <sys/device.h> 44 1.2.2.2 ad #include <sys/systm.h> 45 1.2.2.2 ad 46 1.2.2.2 ad #include <machine/bus.h> 47 1.2.2.2 ad #include <arch/evbppc/pmppc/dev/mainbus.h> 48 1.2.2.2 ad 49 1.2.2.2 ad struct flash_softc { 50 1.2.2.2 ad struct device sc_dev; 51 1.2.2.2 ad bus_space_tag_t sc_tag; 52 1.2.2.2 ad bus_space_handle_t sc_handle; 53 1.2.2.2 ad u_int32_t sc_addr; 54 1.2.2.2 ad u_int32_t sc_size; 55 1.2.2.2 ad u_int32_t sc_width; 56 1.2.2.2 ad }; 57 1.2.2.2 ad 58 1.2.2.2 ad static int flash_match(struct device *, struct cfdata *, void *); 59 1.2.2.2 ad static void flash_attach(struct device *, struct device *, void *); 60 1.2.2.2 ad 61 1.2.2.2 ad CFATTACH_DECL(flash, sizeof(struct flash_softc), 62 1.2.2.2 ad flash_match, flash_attach, NULL, NULL); 63 1.2.2.2 ad 64 1.2.2.2 ad int 65 1.2.2.2 ad flash_match(struct device *parent, struct cfdata *cf, void *aux) 66 1.2.2.2 ad { 67 1.2.2.2 ad struct mainbus_attach_args *maa = aux; 68 1.2.2.2 ad 69 1.2.2.2 ad return (strcmp(maa->mb_name, "flash") == 0); 70 1.2.2.2 ad } 71 1.2.2.2 ad 72 1.2.2.2 ad void 73 1.2.2.2 ad flash_attach(struct device *parent, struct device *self, void *aux) 74 1.2.2.2 ad { 75 1.2.2.2 ad struct mainbus_attach_args *maa = aux; 76 1.2.2.2 ad struct flash_softc *sc = (struct flash_softc *)self; 77 1.2.2.2 ad 78 1.2.2.2 ad sc->sc_tag = maa->mb_bt; 79 1.2.2.2 ad sc->sc_addr = maa->mb_addr; 80 1.2.2.2 ad sc->sc_size = maa->u.mb_flash.size / 8; /* bytes */ 81 1.2.2.2 ad sc->sc_width = maa->u.mb_flash.width; 82 1.2.2.2 ad 83 1.2.2.2 ad printf(": %d Mbyte, %d bits wide\n", sc->sc_size / (1024*1024), 84 1.2.2.2 ad sc->sc_width); 85 1.2.2.2 ad #if 0 86 1.2.2.2 ad /* The extend map doesn't cover this area. */ 87 1.2.2.2 ad if (bus_space_map(sc->sc_tag, sc->sc_addr, sc->sc_size, 0, 88 1.2.2.2 ad &sc->sc_handle)) { 89 1.2.2.2 ad printf("%s: can't map i/o space\n", self->dv_xname); 90 1.2.2.2 ad return; 91 1.2.2.2 ad } 92 1.2.2.2 ad #endif 93 1.2.2.2 ad 94 1.2.2.2 ad printf("%s: driver not implemented\n", self->dv_xname); 95 1.2.2.2 ad } 96
Indexes created Fri Oct 03 17:10:05 GMT 2025