flash.c revision 1.2.4.2
1 1.2.4.2 yamt /* $NetBSD: flash.c,v 1.2.4.2 2007/10/27 11:26:00 yamt Exp $ */ 2 1.2.4.2 yamt 3 1.2.4.2 yamt /* 4 1.2.4.2 yamt * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.2.4.2 yamt * All rights reserved. 6 1.2.4.2 yamt * 7 1.2.4.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 yamt * by Lennart Augustsson (lennart (at) augustsson.net) at Sandburst Corp. 9 1.2.4.2 yamt * 10 1.2.4.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 yamt * modification, are permitted provided that the following conditions 12 1.2.4.2 yamt * are met: 13 1.2.4.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 yamt * documentation and/or other materials provided with the distribution. 18 1.2.4.2 yamt * 3. All advertising materials mentioning features or use of this software 19 1.2.4.2 yamt * must display the following acknowledgement: 20 1.2.4.2 yamt * This product includes software developed by the NetBSD 21 1.2.4.2 yamt * Foundation, Inc. and its contributors. 22 1.2.4.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.4.2 yamt * contributors may be used to endorse or promote products derived 24 1.2.4.2 yamt * from this software without specific prior written permission. 25 1.2.4.2 yamt * 26 1.2.4.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.4.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.4.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.4.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.4.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.4.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.4.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.4.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.4.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.4.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.4.2 yamt * POSSIBILITY OF SUCH DAMAGE. 37 1.2.4.2 yamt */ 38 1.2.4.2 yamt 39 1.2.4.2 yamt #include <sys/cdefs.h> 40 1.2.4.2 yamt __KERNEL_RCSID(0, "$NetBSD: flash.c,v 1.2.4.2 2007/10/27 11:26:00 yamt Exp $"); 41 1.2.4.2 yamt 42 1.2.4.2 yamt #include <sys/param.h> 43 1.2.4.2 yamt #include <sys/device.h> 44 1.2.4.2 yamt #include <sys/systm.h> 45 1.2.4.2 yamt 46 1.2.4.2 yamt #include <machine/bus.h> 47 1.2.4.2 yamt #include <arch/evbppc/pmppc/dev/mainbus.h> 48 1.2.4.2 yamt 49 1.2.4.2 yamt struct flash_softc { 50 1.2.4.2 yamt struct device sc_dev; 51 1.2.4.2 yamt bus_space_tag_t sc_tag; 52 1.2.4.2 yamt bus_space_handle_t sc_handle; 53 1.2.4.2 yamt u_int32_t sc_addr; 54 1.2.4.2 yamt u_int32_t sc_size; 55 1.2.4.2 yamt u_int32_t sc_width; 56 1.2.4.2 yamt }; 57 1.2.4.2 yamt 58 1.2.4.2 yamt static int flash_match(struct device *, struct cfdata *, void *); 59 1.2.4.2 yamt static void flash_attach(struct device *, struct device *, void *); 60 1.2.4.2 yamt 61 1.2.4.2 yamt CFATTACH_DECL(flash, sizeof(struct flash_softc), 62 1.2.4.2 yamt flash_match, flash_attach, NULL, NULL); 63 1.2.4.2 yamt 64 1.2.4.2 yamt int 65 1.2.4.2 yamt flash_match(struct device *parent, struct cfdata *cf, void *aux) 66 1.2.4.2 yamt { 67 1.2.4.2 yamt struct mainbus_attach_args *maa = aux; 68 1.2.4.2 yamt 69 1.2.4.2 yamt return (strcmp(maa->mb_name, "flash") == 0); 70 1.2.4.2 yamt } 71 1.2.4.2 yamt 72 1.2.4.2 yamt void 73 1.2.4.2 yamt flash_attach(struct device *parent, struct device *self, void *aux) 74 1.2.4.2 yamt { 75 1.2.4.2 yamt struct mainbus_attach_args *maa = aux; 76 1.2.4.2 yamt struct flash_softc *sc = (struct flash_softc *)self; 77 1.2.4.2 yamt 78 1.2.4.2 yamt sc->sc_tag = maa->mb_bt; 79 1.2.4.2 yamt sc->sc_addr = maa->mb_addr; 80 1.2.4.2 yamt sc->sc_size = maa->u.mb_flash.size / 8; /* bytes */ 81 1.2.4.2 yamt sc->sc_width = maa->u.mb_flash.width; 82 1.2.4.2 yamt 83 1.2.4.2 yamt printf(": %d Mbyte, %d bits wide\n", sc->sc_size / (1024*1024), 84 1.2.4.2 yamt sc->sc_width); 85 1.2.4.2 yamt #if 0 86 1.2.4.2 yamt /* The extend map doesn't cover this area. */ 87 1.2.4.2 yamt if (bus_space_map(sc->sc_tag, sc->sc_addr, sc->sc_size, 0, 88 1.2.4.2 yamt &sc->sc_handle)) { 89 1.2.4.2 yamt printf("%s: can't map i/o space\n", self->dv_xname); 90 1.2.4.2 yamt return; 91 1.2.4.2 yamt } 92 1.2.4.2 yamt #endif 93 1.2.4.2 yamt 94 1.2.4.2 yamt printf("%s: driver not implemented\n", self->dv_xname); 95 1.2.4.2 yamt } 96
Indexes created Sat Oct 04 05:10:05 GMT 2025