sgc.c revision 1.1.2.3
1 1.1.2.3 bouyer /* $NetBSD: sgc.c,v 1.1.2.3 2011/03/05 15:09:40 bouyer Exp $ */ 2 1.1.2.2 bouyer /* $OpenBSD: sgc.c,v 1.6 2010/04/15 20:35:21 miod Exp $ */ 3 1.1.2.2 bouyer 4 1.1.2.2 bouyer /* 5 1.1.2.2 bouyer * Copyright (c) 2005, Miodrag Vallat 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 9 1.1.2.2 bouyer * are met: 10 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.1.2.2 bouyer * 16 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 1.1.2.2 bouyer * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 1.1.2.2 bouyer * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 1.1.2.2 bouyer * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 1.1.2.2 bouyer * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 1.1.2.2 bouyer * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 1.1.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 1.1.2.2 bouyer * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 27 1.1.2.2 bouyer * 28 1.1.2.2 bouyer */ 29 1.1.2.2 bouyer 30 1.1.2.2 bouyer /* 31 1.1.2.2 bouyer * SGC bus attachment and mapping glue. 32 1.1.2.2 bouyer */ 33 1.1.2.2 bouyer 34 1.1.2.2 bouyer #include <sys/param.h> 35 1.1.2.2 bouyer #include <sys/systm.h> 36 1.1.2.2 bouyer #include <sys/device.h> 37 1.1.2.2 bouyer #include <sys/kernel.h> 38 1.1.2.2 bouyer #include <sys/bus.h> 39 1.1.2.2 bouyer #include <sys/cpu.h> 40 1.1.2.2 bouyer 41 1.1.2.2 bouyer #include <machine/autoconf.h> 42 1.1.2.2 bouyer #include <machine/hp300spu.h> 43 1.1.2.2 bouyer 44 1.1.2.2 bouyer #include <hp300/dev/sgcreg.h> 45 1.1.2.2 bouyer #include <hp300/dev/sgcvar.h> 46 1.1.2.2 bouyer 47 1.1.2.2 bouyer #ifdef SGC_DEBUG 48 1.1.2.2 bouyer #define DPRINTF(x) printf x 49 1.1.2.2 bouyer #else 50 1.1.2.2 bouyer #define DPRINTF(x) do {} while (/* CONSTCOND */ 0) 51 1.1.2.2 bouyer #endif 52 1.1.2.2 bouyer 53 1.1.2.2 bouyer struct sgc_softc { 54 1.1.2.2 bouyer device_t sc_dev; 55 1.1.2.2 bouyer struct bus_space_tag sc_tag; 56 1.1.2.2 bouyer }; 57 1.1.2.2 bouyer 58 1.1.2.3 bouyer static int sgcmatch(device_t, cfdata_t, void *); 59 1.1.2.3 bouyer static void sgcattach(device_t, device_t, void *); 60 1.1.2.3 bouyer static int sgcprint(void *, const char *); 61 1.1.2.2 bouyer 62 1.1.2.2 bouyer CFATTACH_DECL_NEW(sgc, sizeof(struct sgc_softc), 63 1.1.2.2 bouyer sgcmatch, sgcattach, NULL, NULL); 64 1.1.2.2 bouyer 65 1.1.2.2 bouyer int 66 1.1.2.2 bouyer sgcmatch(device_t parent, cfdata_t cf, void *aux) 67 1.1.2.2 bouyer { 68 1.1.2.2 bouyer static int sgc_matched = 0; 69 1.1.2.2 bouyer 70 1.1.2.2 bouyer /* Allow only one instance. */ 71 1.1.2.2 bouyer if (sgc_matched) 72 1.1.2.2 bouyer return 0; 73 1.1.2.2 bouyer 74 1.1.2.2 bouyer /* 75 1.1.2.2 bouyer * Leave out machines which can not have an SGC bus. 76 1.1.2.2 bouyer */ 77 1.1.2.2 bouyer 78 1.1.2.2 bouyer switch (machineid) { 79 1.1.2.2 bouyer #if 0 80 1.1.2.2 bouyer case HP_362: 81 1.1.2.2 bouyer case HP_382: 82 1.1.2.2 bouyer #endif 83 1.1.2.2 bouyer case HP_400: 84 1.1.2.2 bouyer case HP_425: 85 1.1.2.2 bouyer case HP_433: 86 1.1.2.2 bouyer return sgc_matched = 1; 87 1.1.2.2 bouyer default: 88 1.1.2.2 bouyer return 0; 89 1.1.2.2 bouyer } 90 1.1.2.2 bouyer } 91 1.1.2.2 bouyer 92 1.1.2.2 bouyer void 93 1.1.2.2 bouyer sgcattach(device_t parent, device_t self, void *aux) 94 1.1.2.2 bouyer { 95 1.1.2.2 bouyer struct sgc_softc *sc; 96 1.1.2.2 bouyer struct sgc_attach_args saa; 97 1.1.2.2 bouyer paddr_t pa; 98 1.1.2.2 bouyer void *va; 99 1.1.2.2 bouyer int slot, rv; 100 1.1.2.2 bouyer bus_space_tag_t bst; 101 1.1.2.2 bouyer bus_space_handle_t bsh; 102 1.1.2.2 bouyer 103 1.1.2.2 bouyer sc = device_private(self); 104 1.1.2.2 bouyer sc->sc_dev = self; 105 1.1.2.2 bouyer aprint_normal("\n"); 106 1.1.2.2 bouyer 107 1.1.2.2 bouyer bst = &sc->sc_tag; 108 1.1.2.2 bouyer memset(bst, 0, sizeof(struct bus_space_tag)); 109 1.1.2.2 bouyer bst->bustype = HP300_BUS_SPACE_SGC; 110 1.1.2.2 bouyer 111 1.1.2.2 bouyer for (slot = 0; slot < SGC_NSLOTS; slot++) { 112 1.1.2.2 bouyer pa = sgc_slottopa(slot); 113 1.1.2.2 bouyer if (bus_space_map(bst, pa, PAGE_SIZE, 0, &bsh) != 0) { 114 1.1.2.2 bouyer aprint_error_dev(self, "can't map slot %d\n", slot); 115 1.1.2.2 bouyer continue; 116 1.1.2.2 bouyer } 117 1.1.2.2 bouyer va = bus_space_vaddr(bst, bsh); 118 1.1.2.2 bouyer 119 1.1.2.2 bouyer /* Check for hardware. */ 120 1.1.2.2 bouyer rv = badaddr(va); 121 1.1.2.2 bouyer bus_space_unmap(bst, bsh, PAGE_SIZE); 122 1.1.2.2 bouyer 123 1.1.2.2 bouyer if (rv != 0) { 124 1.1.2.2 bouyer DPRINTF(("%s: no valid device at slot %d\n", 125 1.1.2.2 bouyer device_xname(self), slot)); 126 1.1.2.2 bouyer continue; 127 1.1.2.2 bouyer } 128 1.1.2.2 bouyer 129 1.1.2.2 bouyer memset(&saa, 0, sizeof(saa)); 130 1.1.2.2 bouyer saa.saa_iot = bst; 131 1.1.2.2 bouyer saa.saa_slot = slot; 132 1.1.2.2 bouyer 133 1.1.2.2 bouyer /* Attach matching device. */ 134 1.1.2.2 bouyer config_found(self, &saa, sgcprint); 135 1.1.2.2 bouyer } 136 1.1.2.2 bouyer } 137 1.1.2.2 bouyer 138 1.1.2.2 bouyer int 139 1.1.2.2 bouyer sgcprint(void *aux, const char *pnp) 140 1.1.2.2 bouyer { 141 1.1.2.2 bouyer struct sgc_attach_args *saa = aux; 142 1.1.2.2 bouyer 143 1.1.2.2 bouyer if (pnp) 144 1.1.2.2 bouyer aprint_normal("unknown SGC card at %s", pnp); 145 1.1.2.2 bouyer aprint_normal(" slot %d", saa->saa_slot); 146 1.1.2.2 bouyer return UNCONF; 147 1.1.2.2 bouyer } 148 1.1.2.2 bouyer 149 1.1.2.2 bouyer /* 150 1.1.2.2 bouyer * Convert a slot number to a system physical address. 151 1.1.2.2 bouyer * This is needed for bus_space. 152 1.1.2.2 bouyer */ 153 1.1.2.2 bouyer paddr_t 154 1.1.2.2 bouyer sgc_slottopa(int slot) 155 1.1.2.2 bouyer { 156 1.1.2.2 bouyer paddr_t rval; 157 1.1.2.2 bouyer 158 1.1.2.2 bouyer if (slot < 0 || slot >= SGC_NSLOTS) 159 1.1.2.2 bouyer rval = 0; 160 1.1.2.2 bouyer else 161 1.1.2.2 bouyer rval = SGC_BASE + (slot * SGC_DEVSIZE); 162 1.1.2.2 bouyer 163 1.1.2.2 bouyer return rval; 164 1.1.2.2 bouyer } 165
Indexes created Wed Oct 22 13:09:56 GMT 2025