sgc.c revision 1.2.6.2
1 1.2.6.2 jruoho /* $NetBSD: sgc.c,v 1.2.6.2 2011/06/06 09:05:36 jruoho Exp $ */ 2 1.2.6.2 jruoho /* $OpenBSD: sgc.c,v 1.6 2010/04/15 20:35:21 miod Exp $ */ 3 1.2.6.2 jruoho 4 1.2.6.2 jruoho /* 5 1.2.6.2 jruoho * Copyright (c) 2005, Miodrag Vallat 6 1.2.6.2 jruoho * 7 1.2.6.2 jruoho * Redistribution and use in source and binary forms, with or without 8 1.2.6.2 jruoho * modification, are permitted provided that the following conditions 9 1.2.6.2 jruoho * are met: 10 1.2.6.2 jruoho * 1. Redistributions of source code must retain the above copyright 11 1.2.6.2 jruoho * notice, this list of conditions and the following disclaimer. 12 1.2.6.2 jruoho * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.6.2 jruoho * notice, this list of conditions and the following disclaimer in the 14 1.2.6.2 jruoho * documentation and/or other materials provided with the distribution. 15 1.2.6.2 jruoho * 16 1.2.6.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.2.6.2 jruoho * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 1.2.6.2 jruoho * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 1.2.6.2 jruoho * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 1.2.6.2 jruoho * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 1.2.6.2 jruoho * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 1.2.6.2 jruoho * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.6.2 jruoho * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 1.2.6.2 jruoho * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 1.2.6.2 jruoho * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2.6.2 jruoho * POSSIBILITY OF SUCH DAMAGE. 27 1.2.6.2 jruoho * 28 1.2.6.2 jruoho */ 29 1.2.6.2 jruoho 30 1.2.6.2 jruoho /* 31 1.2.6.2 jruoho * SGC bus attachment and mapping glue. 32 1.2.6.2 jruoho */ 33 1.2.6.2 jruoho 34 1.2.6.2 jruoho #include <sys/param.h> 35 1.2.6.2 jruoho #include <sys/systm.h> 36 1.2.6.2 jruoho #include <sys/device.h> 37 1.2.6.2 jruoho #include <sys/kernel.h> 38 1.2.6.2 jruoho #include <sys/bus.h> 39 1.2.6.2 jruoho #include <sys/cpu.h> 40 1.2.6.2 jruoho 41 1.2.6.2 jruoho #include <machine/autoconf.h> 42 1.2.6.2 jruoho #include <machine/hp300spu.h> 43 1.2.6.2 jruoho 44 1.2.6.2 jruoho #include <hp300/dev/sgcreg.h> 45 1.2.6.2 jruoho #include <hp300/dev/sgcvar.h> 46 1.2.6.2 jruoho 47 1.2.6.2 jruoho #ifdef SGC_DEBUG 48 1.2.6.2 jruoho #define DPRINTF(x) printf x 49 1.2.6.2 jruoho #else 50 1.2.6.2 jruoho #define DPRINTF(x) do {} while (/* CONSTCOND */ 0) 51 1.2.6.2 jruoho #endif 52 1.2.6.2 jruoho 53 1.2.6.2 jruoho struct sgc_softc { 54 1.2.6.2 jruoho device_t sc_dev; 55 1.2.6.2 jruoho struct bus_space_tag sc_tag; 56 1.2.6.2 jruoho }; 57 1.2.6.2 jruoho 58 1.2.6.2 jruoho static int sgcmatch(device_t, cfdata_t, void *); 59 1.2.6.2 jruoho static void sgcattach(device_t, device_t, void *); 60 1.2.6.2 jruoho static int sgcprint(void *, const char *); 61 1.2.6.2 jruoho 62 1.2.6.2 jruoho CFATTACH_DECL_NEW(sgc, sizeof(struct sgc_softc), 63 1.2.6.2 jruoho sgcmatch, sgcattach, NULL, NULL); 64 1.2.6.2 jruoho 65 1.2.6.2 jruoho int 66 1.2.6.2 jruoho sgcmatch(device_t parent, cfdata_t cf, void *aux) 67 1.2.6.2 jruoho { 68 1.2.6.2 jruoho static int sgc_matched = 0; 69 1.2.6.2 jruoho 70 1.2.6.2 jruoho /* Allow only one instance. */ 71 1.2.6.2 jruoho if (sgc_matched) 72 1.2.6.2 jruoho return 0; 73 1.2.6.2 jruoho 74 1.2.6.2 jruoho /* 75 1.2.6.2 jruoho * Leave out machines which can not have an SGC bus. 76 1.2.6.2 jruoho */ 77 1.2.6.2 jruoho 78 1.2.6.2 jruoho switch (machineid) { 79 1.2.6.2 jruoho #if 0 80 1.2.6.2 jruoho case HP_362: 81 1.2.6.2 jruoho case HP_382: 82 1.2.6.2 jruoho #endif 83 1.2.6.2 jruoho case HP_400: 84 1.2.6.2 jruoho case HP_425: 85 1.2.6.2 jruoho case HP_433: 86 1.2.6.2 jruoho return sgc_matched = 1; 87 1.2.6.2 jruoho default: 88 1.2.6.2 jruoho return 0; 89 1.2.6.2 jruoho } 90 1.2.6.2 jruoho } 91 1.2.6.2 jruoho 92 1.2.6.2 jruoho void 93 1.2.6.2 jruoho sgcattach(device_t parent, device_t self, void *aux) 94 1.2.6.2 jruoho { 95 1.2.6.2 jruoho struct sgc_softc *sc; 96 1.2.6.2 jruoho struct sgc_attach_args saa; 97 1.2.6.2 jruoho paddr_t pa; 98 1.2.6.2 jruoho void *va; 99 1.2.6.2 jruoho int slot, rv; 100 1.2.6.2 jruoho bus_space_tag_t bst; 101 1.2.6.2 jruoho bus_space_handle_t bsh; 102 1.2.6.2 jruoho 103 1.2.6.2 jruoho sc = device_private(self); 104 1.2.6.2 jruoho sc->sc_dev = self; 105 1.2.6.2 jruoho aprint_normal("\n"); 106 1.2.6.2 jruoho 107 1.2.6.2 jruoho bst = &sc->sc_tag; 108 1.2.6.2 jruoho memset(bst, 0, sizeof(struct bus_space_tag)); 109 1.2.6.2 jruoho bst->bustype = HP300_BUS_SPACE_SGC; 110 1.2.6.2 jruoho 111 1.2.6.2 jruoho for (slot = 0; slot < SGC_NSLOTS; slot++) { 112 1.2.6.2 jruoho pa = sgc_slottopa(slot); 113 1.2.6.2 jruoho if (bus_space_map(bst, pa, PAGE_SIZE, 0, &bsh) != 0) { 114 1.2.6.2 jruoho aprint_error_dev(self, "can't map slot %d\n", slot); 115 1.2.6.2 jruoho continue; 116 1.2.6.2 jruoho } 117 1.2.6.2 jruoho va = bus_space_vaddr(bst, bsh); 118 1.2.6.2 jruoho 119 1.2.6.2 jruoho /* Check for hardware. */ 120 1.2.6.2 jruoho rv = badaddr(va); 121 1.2.6.2 jruoho bus_space_unmap(bst, bsh, PAGE_SIZE); 122 1.2.6.2 jruoho 123 1.2.6.2 jruoho if (rv != 0) { 124 1.2.6.2 jruoho DPRINTF(("%s: no valid device at slot %d\n", 125 1.2.6.2 jruoho device_xname(self), slot)); 126 1.2.6.2 jruoho continue; 127 1.2.6.2 jruoho } 128 1.2.6.2 jruoho 129 1.2.6.2 jruoho memset(&saa, 0, sizeof(saa)); 130 1.2.6.2 jruoho saa.saa_iot = bst; 131 1.2.6.2 jruoho saa.saa_slot = slot; 132 1.2.6.2 jruoho 133 1.2.6.2 jruoho /* Attach matching device. */ 134 1.2.6.2 jruoho config_found(self, &saa, sgcprint); 135 1.2.6.2 jruoho } 136 1.2.6.2 jruoho } 137 1.2.6.2 jruoho 138 1.2.6.2 jruoho int 139 1.2.6.2 jruoho sgcprint(void *aux, const char *pnp) 140 1.2.6.2 jruoho { 141 1.2.6.2 jruoho struct sgc_attach_args *saa = aux; 142 1.2.6.2 jruoho 143 1.2.6.2 jruoho if (pnp) 144 1.2.6.2 jruoho aprint_normal("unknown SGC card at %s", pnp); 145 1.2.6.2 jruoho aprint_normal(" slot %d", saa->saa_slot); 146 1.2.6.2 jruoho return UNCONF; 147 1.2.6.2 jruoho } 148 1.2.6.2 jruoho 149 1.2.6.2 jruoho /* 150 1.2.6.2 jruoho * Convert a slot number to a system physical address. 151 1.2.6.2 jruoho * This is needed for bus_space. 152 1.2.6.2 jruoho */ 153 1.2.6.2 jruoho paddr_t 154 1.2.6.2 jruoho sgc_slottopa(int slot) 155 1.2.6.2 jruoho { 156 1.2.6.2 jruoho paddr_t rval; 157 1.2.6.2 jruoho 158 1.2.6.2 jruoho if (slot < 0 || slot >= SGC_NSLOTS) 159 1.2.6.2 jruoho rval = 0; 160 1.2.6.2 jruoho else 161 1.2.6.2 jruoho rval = SGC_BASE + (slot * SGC_DEVSIZE); 162 1.2.6.2 jruoho 163 1.2.6.2 jruoho return rval; 164 1.2.6.2 jruoho } 165
Indexes created Thu Oct 23 22:10:10 GMT 2025