smsh_fdt.c revision 1.1.10.2
1 1.1.10.2 jdolecek /* $NetBSD: smsh_fdt.c,v 1.1.10.2 2017/12/03 11:35:52 jdolecek Exp $ */ 2 1.1.10.2 jdolecek 3 1.1.10.2 jdolecek /*- 4 1.1.10.2 jdolecek * Copyright (c) 2017 Jared McNeill <jmcneill (at) invisible.ca> 5 1.1.10.2 jdolecek * All rights reserved. 6 1.1.10.2 jdolecek * 7 1.1.10.2 jdolecek * Redistribution and use in source and binary forms, with or without 8 1.1.10.2 jdolecek * modification, are permitted provided that the following conditions 9 1.1.10.2 jdolecek * are met: 10 1.1.10.2 jdolecek * 1. Redistributions of source code must retain the above copyright 11 1.1.10.2 jdolecek * notice, this list of conditions and the following disclaimer. 12 1.1.10.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.10.2 jdolecek * notice, this list of conditions and the following disclaimer in the 14 1.1.10.2 jdolecek * documentation and/or other materials provided with the distribution. 15 1.1.10.2 jdolecek * 16 1.1.10.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.10.2 jdolecek * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.10.2 jdolecek * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.10.2 jdolecek * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.10.2 jdolecek * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1.10.2 jdolecek * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1.10.2 jdolecek * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1.10.2 jdolecek * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1.10.2 jdolecek * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.10.2 jdolecek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.10.2 jdolecek * SUCH DAMAGE. 27 1.1.10.2 jdolecek */ 28 1.1.10.2 jdolecek 29 1.1.10.2 jdolecek #include <sys/cdefs.h> 30 1.1.10.2 jdolecek __KERNEL_RCSID(0, "$NetBSD: smsh_fdt.c,v 1.1.10.2 2017/12/03 11:35:52 jdolecek Exp $"); 31 1.1.10.2 jdolecek 32 1.1.10.2 jdolecek #include <sys/param.h> 33 1.1.10.2 jdolecek #include <sys/bus.h> 34 1.1.10.2 jdolecek #include <sys/device.h> 35 1.1.10.2 jdolecek #include <sys/systm.h> 36 1.1.10.2 jdolecek #include <sys/kernel.h> 37 1.1.10.2 jdolecek 38 1.1.10.2 jdolecek #include <dev/fdt/fdtvar.h> 39 1.1.10.2 jdolecek 40 1.1.10.2 jdolecek #include <net/if.h> 41 1.1.10.2 jdolecek #include <net/if_ether.h> 42 1.1.10.2 jdolecek #include <net/if_media.h> 43 1.1.10.2 jdolecek 44 1.1.10.2 jdolecek #include <dev/mii/miivar.h> 45 1.1.10.2 jdolecek 46 1.1.10.2 jdolecek #include <dev/ic/lan9118var.h> 47 1.1.10.2 jdolecek #include <dev/ic/lan9118reg.h> 48 1.1.10.2 jdolecek 49 1.1.10.2 jdolecek static int smsh_fdt_match(device_t, cfdata_t, void *); 50 1.1.10.2 jdolecek static void smsh_fdt_attach(device_t, device_t, void *); 51 1.1.10.2 jdolecek 52 1.1.10.2 jdolecek static const char * const compatible[] = { "smsc,lan9118", NULL }; 53 1.1.10.2 jdolecek 54 1.1.10.2 jdolecek CFATTACH_DECL_NEW(smsh_fdt, sizeof(struct lan9118_softc), 55 1.1.10.2 jdolecek smsh_fdt_match, smsh_fdt_attach, NULL, NULL); 56 1.1.10.2 jdolecek 57 1.1.10.2 jdolecek static int 58 1.1.10.2 jdolecek smsh_fdt_match(device_t parent, cfdata_t cf, void *aux) 59 1.1.10.2 jdolecek { 60 1.1.10.2 jdolecek struct fdt_attach_args * const faa = aux; 61 1.1.10.2 jdolecek 62 1.1.10.2 jdolecek return of_compatible(faa->faa_phandle, compatible) >= 0; 63 1.1.10.2 jdolecek } 64 1.1.10.2 jdolecek 65 1.1.10.2 jdolecek static void 66 1.1.10.2 jdolecek smsh_fdt_attach(device_t parent, device_t self, void *aux) 67 1.1.10.2 jdolecek { 68 1.1.10.2 jdolecek struct lan9118_softc * const sc = device_private(self); 69 1.1.10.2 jdolecek struct fdt_attach_args * const faa = aux; 70 1.1.10.2 jdolecek char intrstr[128]; 71 1.1.10.2 jdolecek const int phandle = faa->faa_phandle; 72 1.1.10.2 jdolecek bus_addr_t addr; 73 1.1.10.2 jdolecek bus_size_t size; 74 1.1.10.2 jdolecek void *ih; 75 1.1.10.2 jdolecek 76 1.1.10.2 jdolecek if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { 77 1.1.10.2 jdolecek aprint_error(": missing 'reg' property\n"); 78 1.1.10.2 jdolecek return; 79 1.1.10.2 jdolecek } 80 1.1.10.2 jdolecek 81 1.1.10.2 jdolecek if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { 82 1.1.10.2 jdolecek aprint_error_dev(self, "failed to decode interrupt\n"); 83 1.1.10.2 jdolecek return; 84 1.1.10.2 jdolecek } 85 1.1.10.2 jdolecek 86 1.1.10.2 jdolecek sc->sc_dev = self; 87 1.1.10.2 jdolecek sc->sc_iot = faa->faa_bst; 88 1.1.10.2 jdolecek if (bus_space_map(faa->faa_bst, addr, size, 0, &sc->sc_ioh)) { 89 1.1.10.2 jdolecek aprint_error(": couldn't map device\n"); 90 1.1.10.2 jdolecek return; 91 1.1.10.2 jdolecek } 92 1.1.10.2 jdolecek 93 1.1.10.2 jdolecek if (of_hasprop(phandle, "smsc,irq-active-high")) 94 1.1.10.2 jdolecek sc->sc_flags |= LAN9118_FLAGS_IRQ_ACTHI; 95 1.1.10.2 jdolecek if (of_hasprop(phandle, "smsc,irq-push-pull")) 96 1.1.10.2 jdolecek sc->sc_flags |= LAN9118_FLAGS_IRQ_PP; 97 1.1.10.2 jdolecek 98 1.1.10.2 jdolecek if (lan9118_attach(sc) != 0) 99 1.1.10.2 jdolecek goto unmap; 100 1.1.10.2 jdolecek 101 1.1.10.2 jdolecek ih = fdtbus_intr_establish(phandle, 0, IPL_NET, 0, lan9118_intr, sc); 102 1.1.10.2 jdolecek if (ih == NULL) { 103 1.1.10.2 jdolecek aprint_error_dev(self, "couldn't install interrupt handler\n"); 104 1.1.10.2 jdolecek goto unmap; 105 1.1.10.2 jdolecek } 106 1.1.10.2 jdolecek aprint_normal_dev(self, "interrupting on %s\n", intrstr); 107 1.1.10.2 jdolecek 108 1.1.10.2 jdolecek return; 109 1.1.10.2 jdolecek 110 1.1.10.2 jdolecek unmap: 111 1.1.10.2 jdolecek bus_space_unmap(sc->sc_iot, sc->sc_ioh, size); 112 1.1.10.2 jdolecek } 113
Indexes created Tue Oct 21 19:09:51 GMT 2025