1 /* $NetBSD: imx_snvs.c,v 1.3 2024/02/07 04:20:27 msaitoh Exp $ */
2
3 /*
4 * Copyright (c) 2014 Ryo Shimizu
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * i.MX6 Secure Non-Volatile Storage
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: imx_snvs.c,v 1.3 2024/02/07 04:20:27 msaitoh Exp $");
35
36 #include <sys/bus.h>
37 #include <sys/device.h>
38 #include <sys/param.h>
39
40 #include <dev/fdt/fdtvar.h>
41
42 #include <arm/imx/imxsnvsvar.h>
43
44 static const struct device_compatible_entry compat_data[] = {
45 { .compat = "fsl,sec-v4.0-mon" },
46 DEVICE_COMPAT_EOL
47 };
48
49 int
imxsnvs_match(device_t parent,struct cfdata * match,void * aux)50 imxsnvs_match(device_t parent, struct cfdata *match, void *aux)
51 {
52 struct fdt_attach_args * const faa = aux;
53
54 return of_compatible_match(faa->faa_phandle, compat_data);
55 }
56
57 void
imxsnvs_attach(device_t parent,device_t self,void * aux)58 imxsnvs_attach(device_t parent, device_t self, void *aux)
59 {
60 struct fdt_attach_args * const faa = aux;
61 const int phandle = faa->faa_phandle;
62 bus_addr_t addr;
63 bus_size_t size;
64
65 if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
66 aprint_error(": couldn't get registers\n");
67 return;
68 }
69
70 imxsnvs_attach_common(parent, self,
71 faa->faa_bst, addr, size, 0, 0);
72 }
73
74