1 /* $NetBSD: if_sm_pxaip.c,v 1.4 2007/10/17 19:54:13 garbled 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. The name of the company nor the name of the author may be used to 15 * endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: if_sm_pxaip.c,v 1.4 2007/10/17 19:54:13 garbled Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 38 #include <net/if.h> 39 #include <net/if_ether.h> 40 #include <net/if_media.h> 41 42 #include <machine/intr.h> 43 #include <machine/bus.h> 44 45 #include <dev/mii/mii.h> 46 #include <dev/mii/miivar.h> 47 48 #include <dev/ic/smc91cxxreg.h> 49 #include <dev/ic/smc91cxxvar.h> 50 51 #include <arch/arm/xscale/pxa2x0var.h> 52 #include <arch/arm/xscale/pxa2x0_gpio.h> 53 54 #include <arch/evbarm/viper/viper_reg.h> 55 56 static int sm_pxaip_match(struct device *, struct cfdata *, void *); 57 static void sm_pxaip_attach(struct device *, struct device *, void *); 58 59 struct sm_pxaip_softc { 60 struct smc91cxx_softc sc_sm; 61 void *ih; 62 }; 63 64 CFATTACH_DECL(sm_pxaip, sizeof(struct sm_pxaip_softc), sm_pxaip_match, 65 sm_pxaip_attach, NULL, NULL); 66 67 static int 68 sm_pxaip_match(struct device *parent, struct cfdata *match, void *aux) 69 { 70 struct pxaip_attach_args *paa = aux; 71 72 if (paa->pxa_addr == VIPER_SMSC_PBASE) 73 return 1; 74 return 0; 75 } 76 77 static void 78 sm_pxaip_attach(struct device *parent, struct device *self, void *aux) 79 { 80 struct sm_pxaip_softc *pxasc = (struct sm_pxaip_softc *)self; 81 struct smc91cxx_softc *sc = &pxasc->sc_sm; 82 struct pxaip_attach_args *paa = aux; 83 bus_space_tag_t bst = &pxa2x0_bs_tag; 84 bus_space_handle_t bsh; 85 86 /* map i/o space */ 87 if (bus_space_map(bst, paa->pxa_addr, SMC_IOSIZE, 0, &bsh) != 0) { 88 aprint_error(": sm_pxaip_attach: can't map i/o space"); 89 return; 90 } 91 92 /* register the interrupt handler */ 93 pxasc->ih = pxa2x0_gpio_intr_establish(paa->pxa_intr, IST_EDGE_RISING, 94 IPL_NET, smc91cxx_intr, sc); 95 if (pxasc->ih == NULL) { 96 aprint_error(": couldn't establish interrupt\n"); 97 bus_space_unmap(bst, bsh, SMC_IOSIZE); 98 return; 99 } 100 101 printf("\n"); 102 103 /* fill in master sc */ 104 sc->sc_bst = bst; 105 sc->sc_bsh = bsh; 106 107 sc->sc_flags = SMC_FLAGS_ENABLED; 108 smc91cxx_attach(sc, NULL); 109 } 110