/* $NetBSD: a9wdt_fdt.c,v 1.4 2021/08/07 16:18:43 thorpej Exp $ */ /*- * Copyright (c) 2019 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Nick Hudson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: a9wdt_fdt.c,v 1.4 2021/08/07 16:18:43 thorpej Exp $"); #if 0 #include <sys/param.h> #include <sys/bus.h> #include <sys/device.h> #include <sys/intr.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/kmem.h> #include <arm/cortex/a9tmr_intr.h> #include <arm/cortex/mpcore_var.h> #include <arm/cortex/a9tmr_var.h> #endif #include <sys/param.h> #include <sys/bus.h> #include <arm/cortex/mpcore_var.h> #include <dev/fdt/fdtvar.h> #include <arm/fdt/arm_fdtvar.h> static int a9wdt_fdt_match(device_t, cfdata_t, void *); static void a9wdt_fdt_attach(device_t, device_t, void *); struct a9wdt_fdt_softc { device_t sc_dev; struct clk *sc_clk; }; CFATTACH_DECL_NEW(a9wdt_fdt, sizeof(struct a9wdt_fdt_softc), a9wdt_fdt_match, a9wdt_fdt_attach, NULL, NULL); static const struct device_compatible_entry compat_data[] = { { .compat = "arm,cortex-a9-twd-wdt" }, { .compat = "arm,cortex-a5-twd-wdt" }, DEVICE_COMPAT_EOL }; static int a9wdt_fdt_match(device_t parent, cfdata_t cf, void *aux) { struct fdt_attach_args * const faa = aux; return of_compatible_match(faa->faa_phandle, compat_data); } static void a9wdt_fdt_attach(device_t parent, device_t self, void *aux) { struct a9wdt_fdt_softc * const sc = device_private(self); struct fdt_attach_args * const faa = aux; const int phandle = faa->faa_phandle; bus_space_handle_t bsh; sc->sc_dev = self; char intrstr[128]; if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { aprint_error(": failed to decode interrupt\n"); return; } aprint_naive("\n"); aprint_normal("\n"); bus_addr_t addr; bus_size_t size; if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { aprint_error(": couldn't get registers\n"); return; } if (bus_space_map(faa->faa_bst, addr, size, 0, &bsh)) { aprint_error(": couldn't map registers\n"); return; } struct mpcore_attach_args mpcaa = { .mpcaa_name = "a9wdt", .mpcaa_memt = faa->faa_bst, .mpcaa_memh = bsh, .mpcaa_irq = -1, }; config_found(self, &mpcaa, NULL, CFARGS_NONE); }