bcm53xx_nand.c revision 1.2.6.2 1 1.2.6.2 yamt /*-
2 1.2.6.2 yamt * Copyright (c) 2012 The NetBSD Foundation, Inc.
3 1.2.6.2 yamt * All rights reserved.
4 1.2.6.2 yamt *
5 1.2.6.2 yamt * This code is derived from software contributed to The NetBSD Foundation
6 1.2.6.2 yamt * by Matt Thomas of 3am Software Foundry.
7 1.2.6.2 yamt *
8 1.2.6.2 yamt * Redistribution and use in source and binary forms, with or without
9 1.2.6.2 yamt * modification, are permitted provided that the following conditions
10 1.2.6.2 yamt * are met:
11 1.2.6.2 yamt * 1. Redistributions of source code must retain the above copyright
12 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer.
13 1.2.6.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
14 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer in the
15 1.2.6.2 yamt * documentation and/or other materials provided with the distribution.
16 1.2.6.2 yamt *
17 1.2.6.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 1.2.6.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 1.2.6.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 1.2.6.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 1.2.6.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 1.2.6.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 1.2.6.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 1.2.6.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 1.2.6.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 1.2.6.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 1.2.6.2 yamt * POSSIBILITY OF SUCH DAMAGE.
28 1.2.6.2 yamt */
29 1.2.6.2 yamt
30 1.2.6.2 yamt #include "locators.h"
31 1.2.6.2 yamt
32 1.2.6.2 yamt #include <sys/cdefs.h>
33 1.2.6.2 yamt
34 1.2.6.2 yamt __KERNEL_RCSID(1, "$NetBSD: bcm53xx_nand.c,v 1.2.6.2 2014/05/22 11:39:31 yamt Exp $");
35 1.2.6.2 yamt
36 1.2.6.2 yamt #include <sys/param.h>
37 1.2.6.2 yamt #include <sys/bus.h>
38 1.2.6.2 yamt #include <sys/device.h>
39 1.2.6.2 yamt #include <sys/intr.h>
40 1.2.6.2 yamt #include <sys/systm.h>
41 1.2.6.2 yamt
42 1.2.6.2 yamt #define NAND_PRIVATE
43 1.2.6.2 yamt
44 1.2.6.2 yamt #include <arm/broadcom/bcm53xx_reg.h>
45 1.2.6.2 yamt #include <arm/broadcom/bcm53xx_var.h>
46 1.2.6.2 yamt
47 1.2.6.2 yamt #include <dev/nand/nand.h>
48 1.2.6.2 yamt #include <dev/nand/onfi.h>
49 1.2.6.2 yamt
50 1.2.6.2 yamt static int bcmnand_ccb_match(device_t, cfdata_t, void *);
51 1.2.6.2 yamt static void bcmnand_ccb_attach(device_t, device_t, void *);
52 1.2.6.2 yamt
53 1.2.6.2 yamt struct bcmnand_softc {
54 1.2.6.2 yamt device_t sc_dev;
55 1.2.6.2 yamt bus_space_tag_t sc_bst;
56 1.2.6.2 yamt bus_space_handle_t sc_bsh;
57 1.2.6.2 yamt bus_dma_tag_t sc_dmat;
58 1.2.6.2 yamt };
59 1.2.6.2 yamt
60 1.2.6.2 yamt CFATTACH_DECL_NEW(bcmnand_ccb, sizeof(struct bcmnand_softc),
61 1.2.6.2 yamt bcmnand_ccb_match, bcmnand_ccb_attach, NULL, NULL);
62 1.2.6.2 yamt
63 1.2.6.2 yamt static int
64 1.2.6.2 yamt bcmnand_ccb_match(device_t parent, cfdata_t cf, void *aux)
65 1.2.6.2 yamt {
66 1.2.6.2 yamt struct bcmccb_attach_args * const ccbaa = aux;
67 1.2.6.2 yamt const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
68 1.2.6.2 yamt
69 1.2.6.2 yamt if (strcmp(cf->cf_name, loc->loc_name))
70 1.2.6.2 yamt return 0;
71 1.2.6.2 yamt
72 1.2.6.2 yamt KASSERT(cf->cf_loc[BCMCCBCF_PORT] == BCMCCBCF_PORT_DEFAULT);
73 1.2.6.2 yamt
74 1.2.6.2 yamt return 1;
75 1.2.6.2 yamt }
76 1.2.6.2 yamt
77 1.2.6.2 yamt static void
78 1.2.6.2 yamt bcmnand_ccb_attach(device_t parent, device_t self, void *aux)
79 1.2.6.2 yamt {
80 1.2.6.2 yamt struct bcmnand_softc * const sc = device_private(self);
81 1.2.6.2 yamt struct bcmccb_attach_args * const ccbaa = aux;
82 1.2.6.2 yamt const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
83 1.2.6.2 yamt
84 1.2.6.2 yamt sc->sc_dev = self;
85 1.2.6.2 yamt
86 1.2.6.2 yamt sc->sc_bst = ccbaa->ccbaa_ccb_bst;
87 1.2.6.2 yamt sc->sc_dmat = ccbaa->ccbaa_dmat;
88 1.2.6.2 yamt bus_space_subregion(sc->sc_bst, ccbaa->ccbaa_ccb_bsh,
89 1.2.6.2 yamt loc->loc_offset, loc->loc_size, &sc->sc_bsh);
90 1.2.6.2 yamt
91 1.2.6.2 yamt aprint_naive("\n");
92 1.2.6.2 yamt aprint_normal("\n");
93 1.2.6.2 yamt }
94