1 /*- 2 * Copyright (c) 2012 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Matt Thomas of 3am Software Foundry. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "locators.h" 31 32 #include <sys/cdefs.h> 33 34 __KERNEL_RCSID(1, "$NetBSD: bcm53xx_nand.c,v 1.1 2013/10/28 22:51:16 matt Exp $"); 35 36 #include <sys/bus.h> 37 #include <sys/device.h> 38 #include <sys/intr.h> 39 #include <sys/systm.h> 40 41 #define NAND_PRIVATE 42 43 #include <arm/broadcom/bcm53xx_reg.h> 44 #include <arm/broadcom/bcm53xx_var.h> 45 46 #include <dev/nand/nand.h> 47 #include <dev/nand/onfi.h> 48 49 static int bcmnand_ccb_match(device_t, cfdata_t, void *); 50 static void bcmnand_ccb_attach(device_t, device_t, void *); 51 52 struct bcmnand_softc { 53 device_t sc_dev; 54 bus_space_tag_t sc_bst; 55 bus_space_handle_t sc_bsh; 56 bus_dma_tag_t sc_dmat; 57 }; 58 59 CFATTACH_DECL_NEW(bcmnand_ccb, sizeof(struct bcmnand_softc), 60 bcmnand_ccb_match, bcmnand_ccb_attach, NULL, NULL); 61 62 static int 63 bcmnand_ccb_match(device_t parent, cfdata_t cf, void *aux) 64 { 65 struct bcmccb_attach_args * const ccbaa = aux; 66 const struct bcm_locators * const loc = &ccbaa->ccbaa_loc; 67 68 if (strcmp(cf->cf_name, loc->loc_name)) 69 return 0; 70 71 KASSERT(cf->cf_loc[BCMCCBCF_PORT] == BCMCCBCF_PORT_DEFAULT); 72 73 return 1; 74 } 75 76 static void 77 bcmnand_ccb_attach(device_t parent, device_t self, void *aux) 78 { 79 struct bcmnand_softc * const sc = device_private(self); 80 struct bcmccb_attach_args * const ccbaa = aux; 81 const struct bcm_locators * const loc = &ccbaa->ccbaa_loc; 82 83 sc->sc_dev = self; 84 85 sc->sc_bst = ccbaa->ccbaa_ccb_bst; 86 sc->sc_dmat = ccbaa->ccbaa_dmat; 87 bus_space_subregion(sc->sc_bst, ccbaa->ccbaa_ccb_bsh, 88 loc->loc_offset, loc->loc_size, &sc->sc_bsh); 89 90 aprint_naive("\n"); 91 aprint_normal("\n"); 92 } 93