/* $NetBSD: smsh_fdt.c,v 1.1.18.1 2019/11/27 13:46:45 martin Exp $ */ /*- * Copyright (c) 2017 Jared McNeill * All rights reserved. * * 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 AUTHOR ``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 AUTHOR 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 __KERNEL_RCSID(0, "$NetBSD: smsh_fdt.c,v 1.1.18.1 2019/11/27 13:46:45 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include static int smsh_fdt_match(device_t, cfdata_t, void *); static void smsh_fdt_attach(device_t, device_t, void *); static const char * const compatible[] = { "smsc,lan9118", "smsc,lan9115", NULL }; CFATTACH_DECL_NEW(smsh_fdt, sizeof(struct lan9118_softc), smsh_fdt_match, smsh_fdt_attach, NULL, NULL); static int smsh_fdt_match(device_t parent, cfdata_t cf, void *aux) { struct fdt_attach_args * const faa = aux; return of_compatible(faa->faa_phandle, compatible) >= 0; } static void smsh_fdt_attach(device_t parent, device_t self, void *aux) { struct lan9118_softc * const sc = device_private(self); struct fdt_attach_args * const faa = aux; const int phandle = faa->faa_phandle; const char *enaddr; char intrstr[128]; bus_addr_t addr; bus_size_t size; int len; void *ih; if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { aprint_error(": missing 'reg' property\n"); return; } if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { aprint_error_dev(self, "failed to decode interrupt\n"); return; } sc->sc_dev = self; sc->sc_iot = faa->faa_bst; if (bus_space_map(faa->faa_bst, addr, size, 0, &sc->sc_ioh)) { aprint_error(": couldn't map device\n"); return; } if (of_hasprop(phandle, "smsc,irq-active-high")) sc->sc_flags |= LAN9118_FLAGS_IRQ_ACTHI; if (of_hasprop(phandle, "smsc,irq-push-pull")) sc->sc_flags |= LAN9118_FLAGS_IRQ_PP; enaddr = fdtbus_get_prop(phandle, "local-mac-address", &len); if (enaddr == NULL || len != ETHER_ADDR_LEN) enaddr = fdtbus_get_prop(phandle, "mac-address", &len); if (enaddr != NULL && len == ETHER_ADDR_LEN) { memcpy(sc->sc_enaddr, enaddr, ETHER_ADDR_LEN); sc->sc_flags |= LAN9118_FLAGS_NO_EEPROM; } if (lan9118_attach(sc) != 0) goto unmap; ih = fdtbus_intr_establish(phandle, 0, IPL_NET, 0, lan9118_intr, sc); if (ih == NULL) { aprint_error_dev(self, "couldn't install interrupt handler\n"); goto unmap; } aprint_normal_dev(self, "interrupting on %s\n", intrstr); return; unmap: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size); }