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 1.2 2014/02/19 22:21:16 matt Exp $");
35
36 #include <sys/param.h>
37 #include <sys/bus.h>
38 #include <sys/device.h>
39 #include <sys/intr.h>
40 #include <sys/systm.h>
41
42 #define NAND_PRIVATE
43
44 #include <arm/broadcom/bcm53xx_reg.h>
45 #include <arm/broadcom/bcm53xx_var.h>
46
47 #include <dev/nand/nand.h>
48 #include <dev/nand/onfi.h>
49
50 static int bcmnand_ccb_match(device_t, cfdata_t, void *);
51 static void bcmnand_ccb_attach(device_t, device_t, void *);
52
53 struct bcmnand_softc {
54 device_t sc_dev;
55 bus_space_tag_t sc_bst;
56 bus_space_handle_t sc_bsh;
57 bus_dma_tag_t sc_dmat;
58 };
59
60 CFATTACH_DECL_NEW(bcmnand_ccb, sizeof(struct bcmnand_softc),
61 bcmnand_ccb_match, bcmnand_ccb_attach, NULL, NULL);
62
63 static int
bcmnand_ccb_match(device_t parent,cfdata_t cf,void * aux)64 bcmnand_ccb_match(device_t parent, cfdata_t cf, void *aux)
65 {
66 struct bcmccb_attach_args * const ccbaa = aux;
67 const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
68
69 if (strcmp(cf->cf_name, loc->loc_name))
70 return 0;
71
72 KASSERT(cf->cf_loc[BCMCCBCF_PORT] == BCMCCBCF_PORT_DEFAULT);
73
74 return 1;
75 }
76
77 static void
bcmnand_ccb_attach(device_t parent,device_t self,void * aux)78 bcmnand_ccb_attach(device_t parent, device_t self, void *aux)
79 {
80 struct bcmnand_softc * const sc = device_private(self);
81 struct bcmccb_attach_args * const ccbaa = aux;
82 const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
83
84 sc->sc_dev = self;
85
86 sc->sc_bst = ccbaa->ccbaa_ccb_bst;
87 sc->sc_dmat = ccbaa->ccbaa_dmat;
88 bus_space_subregion(sc->sc_bst, ccbaa->ccbaa_ccb_bsh,
89 loc->loc_offset, loc->loc_size, &sc->sc_bsh);
90
91 aprint_naive("\n");
92 aprint_normal("\n");
93 }
94