1 /* $NetBSD: if_sm_pxaip.c,v 1.2 2005/12/11 12:17:11 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by The NetBSD 17 * Foundation, Inc. and its contributors. 18 * 4. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: if_sm_pxaip.c,v 1.2 2005/12/11 12:17:11 christos Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 42 #include <net/if.h> 43 #include <net/if_ether.h> 44 #include <net/if_media.h> 45 46 #include <machine/intr.h> 47 #include <machine/bus.h> 48 49 #include <dev/mii/mii.h> 50 #include <dev/mii/miivar.h> 51 52 #include <dev/ic/smc91cxxreg.h> 53 #include <dev/ic/smc91cxxvar.h> 54 55 #include <arch/arm/xscale/pxa2x0var.h> 56 #include <arch/arm/xscale/pxa2x0_gpio.h> 57 58 #include <arch/evbarm/viper/viper_reg.h> 59 60 static int sm_pxaip_match(struct device *, struct cfdata *, void *); 61 static void sm_pxaip_attach(struct device *, struct device *, void *); 62 63 struct sm_pxaip_softc { 64 struct smc91cxx_softc sc_sm; 65 void *ih; 66 }; 67 68 CFATTACH_DECL(sm_pxaip, sizeof(struct sm_pxaip_softc), sm_pxaip_match, 69 sm_pxaip_attach, NULL, NULL); 70 71 static int 72 sm_pxaip_match(struct device *parent, struct cfdata *match, void *aux) 73 { 74 struct pxaip_attach_args *paa = aux; 75 76 if (paa->pxa_addr == VIPER_SMSC_PBASE) 77 return 1; 78 return 0; 79 } 80 81 static void 82 sm_pxaip_attach(struct device *parent, struct device *self, void *aux) 83 { 84 struct sm_pxaip_softc *pxasc = (struct sm_pxaip_softc *)self; 85 struct smc91cxx_softc *sc = &pxasc->sc_sm; 86 struct pxaip_attach_args *paa = aux; 87 bus_space_tag_t bst = &pxa2x0_bs_tag; 88 bus_space_handle_t bsh; 89 90 /* map i/o space */ 91 if (bus_space_map(bst, paa->pxa_addr, SMC_IOSIZE, 0, &bsh) != 0) { 92 aprint_error(": sm_pxaip_attach: can't map i/o space"); 93 return; 94 } 95 96 /* register the interrupt handler */ 97 pxasc->ih = pxa2x0_gpio_intr_establish(paa->pxa_intr, IST_EDGE_RISING, 98 IPL_NET, smc91cxx_intr, sc); 99 if (pxasc->ih == NULL) { 100 aprint_error(": couldn't establish interrupt\n"); 101 bus_space_unmap(bst, bsh, SMC_IOSIZE); 102 return; 103 } 104 105 printf("\n"); 106 107 /* fill in master sc */ 108 sc->sc_bst = bst; 109 sc->sc_bsh = bsh; 110 111 sc->sc_flags = SMC_FLAGS_ENABLED; 112 smc91cxx_attach(sc, NULL); 113 } 114