imx_snvs.c revision 1.1.2.3
1 1.1.2.3 thorpej /* $NetBSD: imx_snvs.c,v 1.1.2.3 2021/04/03 22:28:17 thorpej Exp $ */ 2 1.1.2.2 thorpej 3 1.1.2.2 thorpej /* 4 1.1.2.2 thorpej * Copyright (c) 2014 Ryo Shimizu <ryo (at) nerv.org> 5 1.1.2.2 thorpej * All rights reserved. 6 1.1.2.2 thorpej * 7 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 thorpej * modification, are permitted provided that the following conditions 9 1.1.2.2 thorpej * are met: 10 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution. 15 1.1.2.2 thorpej * 16 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 1.1.2.2 thorpej * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 1.1.2.2 thorpej * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 1.1.2.2 thorpej * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 1.1.2.2 thorpej * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 1.1.2.2 thorpej * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 1.1.2.2 thorpej * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 1.1.2.2 thorpej * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1.2.2 thorpej * POSSIBILITY OF SUCH DAMAGE. 27 1.1.2.2 thorpej */ 28 1.1.2.2 thorpej 29 1.1.2.2 thorpej /* 30 1.1.2.2 thorpej * i.MX6 Secure Non-Volatile Storage 31 1.1.2.2 thorpej */ 32 1.1.2.2 thorpej 33 1.1.2.2 thorpej #include <sys/cdefs.h> 34 1.1.2.3 thorpej __KERNEL_RCSID(0, "$NetBSD: imx_snvs.c,v 1.1.2.3 2021/04/03 22:28:17 thorpej Exp $"); 35 1.1.2.2 thorpej 36 1.1.2.2 thorpej #include <sys/bus.h> 37 1.1.2.2 thorpej #include <sys/device.h> 38 1.1.2.2 thorpej #include <sys/param.h> 39 1.1.2.2 thorpej 40 1.1.2.2 thorpej #include <dev/fdt/fdtvar.h> 41 1.1.2.2 thorpej 42 1.1.2.2 thorpej #include <arm/imx/imxsnvsvar.h> 43 1.1.2.2 thorpej 44 1.1.2.3 thorpej static const struct device_compatible_entry compat_data[] = { 45 1.1.2.3 thorpej { .compat = "fsl,sec-v4.0-mon" }, 46 1.1.2.3 thorpej DEVICE_COMPAT_EOL 47 1.1.2.3 thorpej }; 48 1.1.2.3 thorpej 49 1.1.2.2 thorpej int 50 1.1.2.2 thorpej imxsnvs_match(device_t parent, struct cfdata *match, void *aux) 51 1.1.2.2 thorpej { 52 1.1.2.2 thorpej struct fdt_attach_args * const faa = aux; 53 1.1.2.2 thorpej 54 1.1.2.3 thorpej return of_compatible_match(faa->faa_phandle, compat_data); 55 1.1.2.2 thorpej } 56 1.1.2.2 thorpej 57 1.1.2.2 thorpej void 58 1.1.2.2 thorpej imxsnvs_attach(device_t parent, device_t self, void *aux) 59 1.1.2.2 thorpej { 60 1.1.2.2 thorpej struct fdt_attach_args * const faa = aux; 61 1.1.2.2 thorpej const int phandle = faa->faa_phandle; 62 1.1.2.2 thorpej bus_addr_t addr; 63 1.1.2.2 thorpej bus_size_t size; 64 1.1.2.2 thorpej 65 1.1.2.2 thorpej if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { 66 1.1.2.2 thorpej aprint_error(": couldn't get registers\n"); 67 1.1.2.2 thorpej return; 68 1.1.2.2 thorpej } 69 1.1.2.2 thorpej 70 1.1.2.2 thorpej imxsnvs_attach_common(parent, self, 71 1.1.2.2 thorpej faa->faa_bst, addr, size, 0, 0); 72 1.1.2.2 thorpej } 73 1.1.2.2 thorpej 74
Indexes created Thu Oct 02 07:10:07 GMT 2025