arbus.c revision 1.10.4.2
1 1.10.4.2 rpaulo /* $Id: arbus.c,v 1.10.4.2 2006/09/09 02:41:25 rpaulo Exp $ */ 2 1.10.4.2 rpaulo /* 3 1.10.4.2 rpaulo * Copyright (c) 2006 Urbana-Champaign Independent Media Center. 4 1.10.4.2 rpaulo * Copyright (c) 2006 Garrett D'Amore. 5 1.10.4.2 rpaulo * All rights reserved. 6 1.10.4.2 rpaulo * 7 1.10.4.2 rpaulo * This code was written by Garrett D'Amore for the Champaign-Urbana 8 1.10.4.2 rpaulo * Community Wireless Network Project. 9 1.10.4.2 rpaulo * 10 1.10.4.2 rpaulo * Redistribution and use in source and binary forms, with or 11 1.10.4.2 rpaulo * without modification, are permitted provided that the following 12 1.10.4.2 rpaulo * conditions are met: 13 1.10.4.2 rpaulo * 1. Redistributions of source code must retain the above copyright 14 1.10.4.2 rpaulo * notice, this list of conditions and the following disclaimer. 15 1.10.4.2 rpaulo * 2. Redistributions in binary form must reproduce the above 16 1.10.4.2 rpaulo * copyright notice, this list of conditions and the following 17 1.10.4.2 rpaulo * disclaimer in the documentation and/or other materials provided 18 1.10.4.2 rpaulo * with the distribution. 19 1.10.4.2 rpaulo * 3. All advertising materials mentioning features or use of this 20 1.10.4.2 rpaulo * software must display the following acknowledgements: 21 1.10.4.2 rpaulo * This product includes software developed by the Urbana-Champaign 22 1.10.4.2 rpaulo * Independent Media Center. 23 1.10.4.2 rpaulo * This product includes software developed by Garrett D'Amore. 24 1.10.4.2 rpaulo * 4. Urbana-Champaign Independent Media Center's name and Garrett 25 1.10.4.2 rpaulo * D'Amore's name may not be used to endorse or promote products 26 1.10.4.2 rpaulo * derived from this software without specific prior written permission. 27 1.10.4.2 rpaulo * 28 1.10.4.2 rpaulo * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT 29 1.10.4.2 rpaulo * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR 30 1.10.4.2 rpaulo * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 31 1.10.4.2 rpaulo * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 1.10.4.2 rpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT 33 1.10.4.2 rpaulo * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT, 34 1.10.4.2 rpaulo * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 35 1.10.4.2 rpaulo * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 36 1.10.4.2 rpaulo * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 37 1.10.4.2 rpaulo * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 1.10.4.2 rpaulo * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 1.10.4.2 rpaulo * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 40 1.10.4.2 rpaulo * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 41 1.10.4.2 rpaulo */ 42 1.10.4.2 rpaulo 43 1.10.4.2 rpaulo #include <sys/cdefs.h> 44 1.10.4.2 rpaulo __KERNEL_RCSID(0, "$NetBSD: arbus.c,v 1.10.4.2 2006/09/09 02:41:25 rpaulo Exp $"); 45 1.10.4.2 rpaulo 46 1.10.4.2 rpaulo #include "locators.h" 47 1.10.4.2 rpaulo #include <sys/param.h> 48 1.10.4.2 rpaulo #include <sys/systm.h> 49 1.10.4.2 rpaulo #include <sys/device.h> 50 1.10.4.2 rpaulo #include <sys/extent.h> 51 1.10.4.2 rpaulo #include <sys/malloc.h> 52 1.10.4.2 rpaulo 53 1.10.4.2 rpaulo #define _MIPS_BUS_DMA_PRIVATE 54 1.10.4.2 rpaulo #include <machine/bus.h> 55 1.10.4.2 rpaulo #include <mips/atheros/include/ar5312reg.h> 56 1.10.4.2 rpaulo #include <mips/atheros/include/ar531xvar.h> 57 1.10.4.2 rpaulo #include <mips/atheros/include/arbusvar.h> 58 1.10.4.2 rpaulo 59 1.10.4.2 rpaulo static int arbus_match(struct device *, struct cfdata *, void *); 60 1.10.4.2 rpaulo static void arbus_attach(struct device *, struct device *, void *); 61 1.10.4.2 rpaulo static int arbus_print(void *, const char *); 62 1.10.4.2 rpaulo static void arbus_bus_mem_init(bus_space_tag_t, void *); 63 1.10.4.2 rpaulo static void arbus_dma_init(struct device *, bus_dma_tag_t); 64 1.10.4.2 rpaulo 65 1.10.4.2 rpaulo struct arbus_intrhand { 66 1.10.4.2 rpaulo int ih_cirq; 67 1.10.4.2 rpaulo int ih_mirq; 68 1.10.4.2 rpaulo void *ih_cookie; 69 1.10.4.2 rpaulo }; 70 1.10.4.2 rpaulo 71 1.10.4.2 rpaulo CFATTACH_DECL(arbus, sizeof(struct device), arbus_match, arbus_attach, 72 1.10.4.2 rpaulo NULL, NULL); 73 1.10.4.2 rpaulo 74 1.10.4.2 rpaulo struct mips_bus_space arbus_mbst; 75 1.10.4.2 rpaulo struct mips_bus_dma_tag arbus_mdt; 76 1.10.4.2 rpaulo 77 1.10.4.2 rpaulo void 78 1.10.4.2 rpaulo arbus_init(void) 79 1.10.4.2 rpaulo { 80 1.10.4.2 rpaulo static int done = 0; 81 1.10.4.2 rpaulo if (done) 82 1.10.4.2 rpaulo return; 83 1.10.4.2 rpaulo done++; 84 1.10.4.2 rpaulo 85 1.10.4.2 rpaulo arbus_bus_mem_init(&arbus_mbst, NULL); 86 1.10.4.2 rpaulo arbus_dma_init(NULL, &arbus_mdt); 87 1.10.4.2 rpaulo } 88 1.10.4.2 rpaulo 89 1.10.4.2 rpaulo /* this primarily exists so we can get to the console... */ 90 1.10.4.2 rpaulo bus_space_tag_t 91 1.10.4.2 rpaulo arbus_get_bus_space_tag(void) 92 1.10.4.2 rpaulo { 93 1.10.4.2 rpaulo arbus_init(); 94 1.10.4.2 rpaulo return (&arbus_mbst); 95 1.10.4.2 rpaulo } 96 1.10.4.2 rpaulo 97 1.10.4.2 rpaulo bus_dma_tag_t 98 1.10.4.2 rpaulo arbus_get_bus_dma_tag(void) 99 1.10.4.2 rpaulo { 100 1.10.4.2 rpaulo arbus_init(); 101 1.10.4.2 rpaulo return (&arbus_mdt); 102 1.10.4.2 rpaulo } 103 1.10.4.2 rpaulo 104 1.10.4.2 rpaulo int 105 1.10.4.2 rpaulo arbus_match(struct device *parent, struct cfdata *match, void *aux) 106 1.10.4.2 rpaulo { 107 1.10.4.2 rpaulo 108 1.10.4.2 rpaulo return 1; 109 1.10.4.2 rpaulo } 110 1.10.4.2 rpaulo 111 1.10.4.2 rpaulo void 112 1.10.4.2 rpaulo arbus_attach(struct device *parent, struct device *self, void *aux) 113 1.10.4.2 rpaulo { 114 1.10.4.2 rpaulo struct arbus_attach_args aa; 115 1.10.4.2 rpaulo const struct ar531x_device *devices; 116 1.10.4.2 rpaulo int i; 117 1.10.4.2 rpaulo 118 1.10.4.2 rpaulo printf("\n"); 119 1.10.4.2 rpaulo int locs[ARBUSCF_NLOCS]; 120 1.10.4.2 rpaulo 121 1.10.4.2 rpaulo arbus_init(); 122 1.10.4.2 rpaulo 123 1.10.4.2 rpaulo for (i = 0, devices = ar531x_get_devices(); devices[i].name; i++) { 124 1.10.4.2 rpaulo 125 1.10.4.2 rpaulo aa.aa_name = devices[i].name; 126 1.10.4.2 rpaulo aa.aa_size = devices[i].size; 127 1.10.4.2 rpaulo aa.aa_dmat = &arbus_mdt; 128 1.10.4.2 rpaulo aa.aa_bst = &arbus_mbst; 129 1.10.4.2 rpaulo aa.aa_cirq = devices[i].cirq; 130 1.10.4.2 rpaulo aa.aa_mirq = devices[i].mirq; 131 1.10.4.2 rpaulo aa.aa_addr = devices[i].addr; 132 1.10.4.2 rpaulo 133 1.10.4.2 rpaulo locs[ARBUSCF_ADDR] = aa.aa_addr; 134 1.10.4.2 rpaulo 135 1.10.4.2 rpaulo if (ar531x_enable_device(&devices[i]) != 0) { 136 1.10.4.2 rpaulo continue; 137 1.10.4.2 rpaulo } 138 1.10.4.2 rpaulo 139 1.10.4.2 rpaulo (void) config_found_sm_loc(self, "arbus", locs, &aa, 140 1.10.4.2 rpaulo arbus_print, config_stdsubmatch); 141 1.10.4.2 rpaulo } 142 1.10.4.2 rpaulo } 143 1.10.4.2 rpaulo 144 1.10.4.2 rpaulo int 145 1.10.4.2 rpaulo arbus_print(void *aux, const char *pnp) 146 1.10.4.2 rpaulo { 147 1.10.4.2 rpaulo struct arbus_attach_args *aa = aux; 148 1.10.4.2 rpaulo 149 1.10.4.2 rpaulo if (pnp) 150 1.10.4.2 rpaulo aprint_normal("%s at %s", aa->aa_name, pnp); 151 1.10.4.2 rpaulo 152 1.10.4.2 rpaulo if (aa->aa_addr) 153 1.10.4.2 rpaulo aprint_normal(" addr 0x%lx", aa->aa_addr); 154 1.10.4.2 rpaulo 155 1.10.4.2 rpaulo if (aa->aa_cirq >= 0) 156 1.10.4.2 rpaulo aprint_normal(" cpu irq %d", aa->aa_cirq); 157 1.10.4.2 rpaulo 158 1.10.4.2 rpaulo if (aa->aa_mirq >= 0) 159 1.10.4.2 rpaulo aprint_normal(" misc irq %d", aa->aa_mirq); 160 1.10.4.2 rpaulo 161 1.10.4.2 rpaulo return (UNCONF); 162 1.10.4.2 rpaulo } 163 1.10.4.2 rpaulo 164 1.10.4.2 rpaulo void * 165 1.10.4.2 rpaulo arbus_intr_establish(int cirq, int mirq, int (*handler)(void *), void *arg) 166 1.10.4.2 rpaulo { 167 1.10.4.2 rpaulo struct arbus_intrhand *ih; 168 1.10.4.2 rpaulo 169 1.10.4.2 rpaulo ih = malloc(sizeof(*ih), M_DEVBUF, M_NOWAIT); 170 1.10.4.2 rpaulo if (ih == NULL) 171 1.10.4.2 rpaulo return NULL; 172 1.10.4.2 rpaulo 173 1.10.4.2 rpaulo ih->ih_cirq = ih->ih_mirq = -1; 174 1.10.4.2 rpaulo ih->ih_cookie = NULL; 175 1.10.4.2 rpaulo 176 1.10.4.2 rpaulo if (mirq >= 0) { 177 1.10.4.2 rpaulo ih->ih_mirq = mirq; 178 1.10.4.2 rpaulo ih->ih_cookie = ar531x_misc_intr_establish(mirq, handler, arg); 179 1.10.4.2 rpaulo } else if (cirq >= 0) { 180 1.10.4.2 rpaulo ih->ih_cirq = cirq; 181 1.10.4.2 rpaulo ih->ih_cookie = ar531x_cpu_intr_establish(cirq, handler, arg); 182 1.10.4.2 rpaulo } else 183 1.10.4.2 rpaulo return ih; 184 1.10.4.2 rpaulo 185 1.10.4.2 rpaulo if (ih->ih_cookie == NULL) { 186 1.10.4.2 rpaulo free(ih, M_DEVBUF); 187 1.10.4.2 rpaulo return NULL; 188 1.10.4.2 rpaulo } 189 1.10.4.2 rpaulo return ih; 190 1.10.4.2 rpaulo } 191 1.10.4.2 rpaulo 192 1.10.4.2 rpaulo void 193 1.10.4.2 rpaulo arbus_intr_disestablish(void *arg) 194 1.10.4.2 rpaulo { 195 1.10.4.2 rpaulo struct arbus_intrhand *ih = arg; 196 1.10.4.2 rpaulo if (ih->ih_mirq >= 0) 197 1.10.4.2 rpaulo ar531x_misc_intr_disestablish(ih->ih_cookie); 198 1.10.4.2 rpaulo else if (ih->ih_cirq >= 0) 199 1.10.4.2 rpaulo ar531x_cpu_intr_disestablish(ih->ih_cookie); 200 1.10.4.2 rpaulo free(ih, M_DEVBUF); 201 1.10.4.2 rpaulo } 202 1.10.4.2 rpaulo 203 1.10.4.2 rpaulo 204 1.10.4.2 rpaulo void 205 1.10.4.2 rpaulo arbus_dma_init(struct device *sc, bus_dma_tag_t pdt) 206 1.10.4.2 rpaulo { 207 1.10.4.2 rpaulo bus_dma_tag_t t; 208 1.10.4.2 rpaulo 209 1.10.4.2 rpaulo t = pdt; 210 1.10.4.2 rpaulo t->_cookie = sc; 211 1.10.4.2 rpaulo t->_wbase = 0; 212 1.10.4.2 rpaulo t->_physbase = 0; 213 1.10.4.2 rpaulo t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START; 214 1.10.4.2 rpaulo t->_dmamap_create = _bus_dmamap_create; 215 1.10.4.2 rpaulo t->_dmamap_destroy = _bus_dmamap_destroy; 216 1.10.4.2 rpaulo t->_dmamap_load = _bus_dmamap_load; 217 1.10.4.2 rpaulo t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf; 218 1.10.4.2 rpaulo t->_dmamap_load_uio = _bus_dmamap_load_uio; 219 1.10.4.2 rpaulo t->_dmamap_load_raw = _bus_dmamap_load_raw; 220 1.10.4.2 rpaulo t->_dmamap_unload = _bus_dmamap_unload; 221 1.10.4.2 rpaulo t->_dmamap_sync = _bus_dmamap_sync; 222 1.10.4.2 rpaulo t->_dmamem_alloc = _bus_dmamem_alloc; 223 1.10.4.2 rpaulo t->_dmamem_free = _bus_dmamem_free; 224 1.10.4.2 rpaulo t->_dmamem_map = _bus_dmamem_map; 225 1.10.4.2 rpaulo t->_dmamem_unmap = _bus_dmamem_unmap; 226 1.10.4.2 rpaulo t->_dmamem_mmap = _bus_dmamem_mmap; 227 1.10.4.2 rpaulo } 228 1.10.4.2 rpaulo 229 1.10.4.2 rpaulo /* 230 1.10.4.2 rpaulo * CPU memory/register stuff 231 1.10.4.2 rpaulo */ 232 1.10.4.2 rpaulo 233 1.10.4.2 rpaulo #define CHIP arbus 234 1.10.4.2 rpaulo #define CHIP_MEM /* defined */ 235 1.10.4.2 rpaulo #define CHIP_W1_BUS_START(v) 0x00000000UL 236 1.10.4.2 rpaulo #define CHIP_W1_BUS_END(v) 0x1fffffffUL 237 1.10.4.2 rpaulo #define CHIP_W1_SYS_START(v) CHIP_W1_BUS_START(v) 238 1.10.4.2 rpaulo #define CHIP_W1_SYS_END(v) CHIP_W1_BUS_END(v) 239 1.10.4.2 rpaulo 240 1.10.4.2 rpaulo #include <mips/mips/bus_space_alignstride_chipdep.c> 241
Indexes created Sat Oct 25 01:09:55 GMT 2025