arbus.c revision 1.2.4.2
1 1.2.4.2 elad /* $Id: arbus.c,v 1.2.4.2 2006/04/19 02:33:12 elad Exp $ */ 2 1.2.4.2 elad /* 3 1.2.4.2 elad * Copyright (c) 2006 Urbana-Champaign Independent Media Center. 4 1.2.4.2 elad * Copyright (c) 2006 Garrett D'Amore. 5 1.2.4.2 elad * All rights reserved. 6 1.2.4.2 elad * 7 1.2.4.2 elad * This code was written by Garrett D'Amore for the Champaign-Urbana 8 1.2.4.2 elad * Community Wireless Network Project. 9 1.2.4.2 elad * 10 1.2.4.2 elad * Redistribution and use in source and binary forms, with or 11 1.2.4.2 elad * without modification, are permitted provided that the following 12 1.2.4.2 elad * conditions are met: 13 1.2.4.2 elad * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 elad * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 elad * 2. Redistributions in binary form must reproduce the above 16 1.2.4.2 elad * copyright notice, this list of conditions and the following 17 1.2.4.2 elad * disclaimer in the documentation and/or other materials provided 18 1.2.4.2 elad * with the distribution. 19 1.2.4.2 elad * 3. All advertising materials mentioning features or use of this 20 1.2.4.2 elad * software must display the following acknowledgements: 21 1.2.4.2 elad * This product includes software developed by the Urbana-Champaign 22 1.2.4.2 elad * Independent Media Center. 23 1.2.4.2 elad * This product includes software developed by Garrett D'Amore. 24 1.2.4.2 elad * 4. Urbana-Champaign Independent Media Center's name and Garrett 25 1.2.4.2 elad * D'Amore's name may not be used to endorse or promote products 26 1.2.4.2 elad * derived from this software without specific prior written permission. 27 1.2.4.2 elad * 28 1.2.4.2 elad * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT 29 1.2.4.2 elad * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR 30 1.2.4.2 elad * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 31 1.2.4.2 elad * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 1.2.4.2 elad * ARE DISCLAIMED. IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT 33 1.2.4.2 elad * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT, 34 1.2.4.2 elad * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 35 1.2.4.2 elad * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 36 1.2.4.2 elad * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 37 1.2.4.2 elad * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 1.2.4.2 elad * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 1.2.4.2 elad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 40 1.2.4.2 elad * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 41 1.2.4.2 elad */ 42 1.2.4.2 elad 43 1.2.4.2 elad #include <sys/cdefs.h> 44 1.2.4.2 elad __KERNEL_RCSID(0, "$NetBSD: arbus.c,v 1.2.4.2 2006/04/19 02:33:12 elad Exp $"); 45 1.2.4.2 elad 46 1.2.4.2 elad #include "locators.h" 47 1.2.4.2 elad #include <sys/param.h> 48 1.2.4.2 elad #include <sys/systm.h> 49 1.2.4.2 elad #include <sys/device.h> 50 1.2.4.2 elad #include <sys/extent.h> 51 1.2.4.2 elad #include <sys/malloc.h> 52 1.2.4.2 elad 53 1.2.4.2 elad #define _MIPS_BUS_DMA_PRIVATE 54 1.2.4.2 elad #include <machine/bus.h> 55 1.2.4.2 elad #include <mips/atheros/include/ar531xreg.h> 56 1.2.4.2 elad #include <mips/atheros/include/ar531xvar.h> 57 1.2.4.2 elad #include <mips/atheros/include/arbusvar.h> 58 1.2.4.2 elad 59 1.2.4.2 elad static int arbus_match(struct device *, struct cfdata *, void *); 60 1.2.4.2 elad static void arbus_attach(struct device *, struct device *, void *); 61 1.2.4.2 elad static int arbus_print(void *, const char *); 62 1.2.4.2 elad static void arbus_bus_mem_init(bus_space_tag_t, void *); 63 1.2.4.2 elad static void arbus_dma_init(struct device *, bus_dma_tag_t); 64 1.2.4.2 elad 65 1.2.4.2 elad struct arbus_intrhand { 66 1.2.4.2 elad int ih_irq; 67 1.2.4.2 elad int ih_misc; 68 1.2.4.2 elad void *ih_cookie; 69 1.2.4.2 elad }; 70 1.2.4.2 elad 71 1.2.4.2 elad CFATTACH_DECL(arbus, sizeof(struct device), arbus_match, arbus_attach, 72 1.2.4.2 elad NULL, NULL); 73 1.2.4.2 elad 74 1.2.4.2 elad struct mips_bus_space arbus_mbst; 75 1.2.4.2 elad struct mips_bus_dma_tag arbus_mdt; 76 1.2.4.2 elad 77 1.2.4.2 elad void 78 1.2.4.2 elad arbus_init(void) 79 1.2.4.2 elad { 80 1.2.4.2 elad static int done = 0; 81 1.2.4.2 elad if (done) 82 1.2.4.2 elad return; 83 1.2.4.2 elad done++; 84 1.2.4.2 elad 85 1.2.4.2 elad arbus_bus_mem_init(&arbus_mbst, NULL); 86 1.2.4.2 elad arbus_dma_init(NULL, &arbus_mdt); 87 1.2.4.2 elad } 88 1.2.4.2 elad 89 1.2.4.2 elad static struct { 90 1.2.4.2 elad const char *name; 91 1.2.4.2 elad bus_addr_t addr; 92 1.2.4.2 elad int irq; 93 1.2.4.2 elad uint32_t mask; 94 1.2.4.2 elad uint32_t reset; 95 1.2.4.2 elad uint32_t enable; 96 1.2.4.2 elad } arbus_devices[] = { 97 1.2.4.2 elad { 98 1.2.4.2 elad "ae", 99 1.2.4.2 elad AR531X_ENET0_BASE, 100 1.2.4.2 elad ARBUS_IRQ_ENET0, 101 1.2.4.2 elad AR531X_BOARD_CONFIG_ENET0, 102 1.2.4.2 elad AR531X_RESET_ENET0 | AR531X_RESET_PHY0, 103 1.2.4.2 elad AR531X_ENABLE_ENET0 104 1.2.4.2 elad }, 105 1.2.4.2 elad { 106 1.2.4.2 elad "ae", 107 1.2.4.2 elad AR531X_ENET1_BASE, 108 1.2.4.2 elad ARBUS_IRQ_ENET1, 109 1.2.4.2 elad AR531X_BOARD_CONFIG_ENET1, 110 1.2.4.2 elad AR531X_RESET_ENET1 | AR531X_RESET_PHY1, 111 1.2.4.2 elad AR531X_ENABLE_ENET1 112 1.2.4.2 elad }, 113 1.2.4.2 elad { 114 1.2.4.2 elad "com", 115 1.2.4.2 elad AR531X_UART0_BASE, 116 1.2.4.2 elad ARBUS_IRQ_UART0, 117 1.2.4.2 elad AR531X_BOARD_CONFIG_UART0, 118 1.2.4.2 elad 0, 119 1.2.4.2 elad 0, 120 1.2.4.2 elad }, 121 1.2.4.2 elad { 122 1.2.4.2 elad "com", 123 1.2.4.2 elad AR531X_UART1_BASE, 124 1.2.4.2 elad -1, 125 1.2.4.2 elad AR531X_BOARD_CONFIG_UART1, 126 1.2.4.2 elad 0, 127 1.2.4.2 elad 0, 128 1.2.4.2 elad }, 129 1.2.4.2 elad { 130 1.2.4.2 elad "ath", 131 1.2.4.2 elad AR531X_WLAN0_BASE, 132 1.2.4.2 elad ARBUS_IRQ_WLAN0, 133 1.2.4.2 elad AR531X_BOARD_CONFIG_WLAN0, 134 1.2.4.2 elad AR531X_RESET_WLAN0 | 135 1.2.4.2 elad AR531X_RESET_WARM_WLAN0_MAC | 136 1.2.4.2 elad AR531X_RESET_WARM_WLAN0_BB, 137 1.2.4.2 elad AR531X_ENABLE_WLAN0 138 1.2.4.2 elad }, 139 1.2.4.2 elad { 140 1.2.4.2 elad "ath", 141 1.2.4.2 elad AR531X_WLAN1_BASE, 142 1.2.4.2 elad ARBUS_IRQ_WLAN1, 143 1.2.4.2 elad AR531X_BOARD_CONFIG_WLAN1, 144 1.2.4.2 elad AR531X_RESET_WLAN1 | 145 1.2.4.2 elad AR531X_RESET_WARM_WLAN1_MAC | 146 1.2.4.2 elad AR531X_RESET_WARM_WLAN1_BB, 147 1.2.4.2 elad AR531X_ENABLE_WLAN1 148 1.2.4.2 elad }, 149 1.2.4.2 elad #if 0 150 1.2.4.2 elad { 151 1.2.4.2 elad "argpio", 152 1.2.4.2 elad AR531X_GPIO_BASE, 153 1.2.4.2 elad -1, 154 1.2.4.2 elad 0, 155 1.2.4.2 elad 0, 156 1.2.4.2 elad 0 157 1.2.4.2 elad }, 158 1.2.4.2 elad #endif 159 1.2.4.2 elad { NULL } 160 1.2.4.2 elad }; 161 1.2.4.2 elad 162 1.2.4.2 elad /* this primarily exists so we can get to the console... */ 163 1.2.4.2 elad bus_space_tag_t 164 1.2.4.2 elad arbus_get_bus_space_tag(void) 165 1.2.4.2 elad { 166 1.2.4.2 elad arbus_init(); 167 1.2.4.2 elad return (&arbus_mbst); 168 1.2.4.2 elad } 169 1.2.4.2 elad 170 1.2.4.2 elad bus_dma_tag_t 171 1.2.4.2 elad arbus_get_bus_dma_tag(void) 172 1.2.4.2 elad { 173 1.2.4.2 elad arbus_init(); 174 1.2.4.2 elad return (&arbus_mdt); 175 1.2.4.2 elad } 176 1.2.4.2 elad 177 1.2.4.2 elad int 178 1.2.4.2 elad arbus_match(struct device *parent, struct cfdata *match, void *aux) 179 1.2.4.2 elad { 180 1.2.4.2 elad 181 1.2.4.2 elad return 1; 182 1.2.4.2 elad } 183 1.2.4.2 elad 184 1.2.4.2 elad void 185 1.2.4.2 elad arbus_attach(struct device *parent, struct device *self, void *aux) 186 1.2.4.2 elad { 187 1.2.4.2 elad struct arbus_attach_args aa; 188 1.2.4.2 elad struct ar531x_board_info *info; 189 1.2.4.2 elad int i; 190 1.2.4.2 elad 191 1.2.4.2 elad printf("\n"); 192 1.2.4.2 elad int locs[ARBUSCF_NLOCS]; 193 1.2.4.2 elad 194 1.2.4.2 elad info = ar531x_board_info(); 195 1.2.4.2 elad arbus_init(); 196 1.2.4.2 elad 197 1.2.4.2 elad for (i = 0; arbus_devices[i].name; i++) { 198 1.2.4.2 elad if ((arbus_devices[i].mask & info->ab_config) == 0) { 199 1.2.4.2 elad continue; 200 1.2.4.2 elad } 201 1.2.4.2 elad aa.aa_name = arbus_devices[i].name; 202 1.2.4.2 elad aa.aa_dmat = &arbus_mdt; 203 1.2.4.2 elad aa.aa_bst = &arbus_mbst; 204 1.2.4.2 elad aa.aa_irq = arbus_devices[i].irq; 205 1.2.4.2 elad aa.aa_addr = arbus_devices[i].addr; 206 1.2.4.2 elad 207 1.2.4.2 elad if (aa.aa_addr < 0x1C000000) 208 1.2.4.2 elad aa.aa_size = 0x00100000; 209 1.2.4.2 elad else 210 1.2.4.2 elad aa.aa_size = 0x1000; 211 1.2.4.2 elad 212 1.2.4.2 elad locs[ARBUSCF_ADDR] = aa.aa_addr; 213 1.2.4.2 elad 214 1.2.4.2 elad if (arbus_devices[i].reset) { 215 1.2.4.2 elad /* put device into reset */ 216 1.2.4.2 elad PUTSYSREG(AR531X_SYSREG_RESETCTL, 217 1.2.4.2 elad GETSYSREG(AR531X_SYSREG_RESETCTL) | 218 1.2.4.2 elad arbus_devices[i].reset); 219 1.2.4.2 elad 220 1.2.4.2 elad /* this could probably be a tsleep */ 221 1.2.4.2 elad delay(15000); 222 1.2.4.2 elad 223 1.2.4.2 elad /* take it out of reset */ 224 1.2.4.2 elad PUTSYSREG(AR531X_SYSREG_RESETCTL, 225 1.2.4.2 elad GETSYSREG(AR531X_SYSREG_RESETCTL) & 226 1.2.4.2 elad ~arbus_devices[i].reset); 227 1.2.4.2 elad 228 1.2.4.2 elad delay(25); 229 1.2.4.2 elad } 230 1.2.4.2 elad 231 1.2.4.2 elad if (arbus_devices[i].enable) { 232 1.2.4.2 elad /* enable it */ 233 1.2.4.2 elad PUTSYSREG(AR531X_SYSREG_ENABLE, 234 1.2.4.2 elad GETSYSREG(AR531X_SYSREG_ENABLE) | 235 1.2.4.2 elad arbus_devices[i].enable); 236 1.2.4.2 elad } 237 1.2.4.2 elad 238 1.2.4.2 elad (void) config_found_sm_loc(self, "arbus", locs, &aa, 239 1.2.4.2 elad arbus_print, config_stdsubmatch); 240 1.2.4.2 elad } 241 1.2.4.2 elad } 242 1.2.4.2 elad 243 1.2.4.2 elad int 244 1.2.4.2 elad arbus_print(void *aux, const char *pnp) 245 1.2.4.2 elad { 246 1.2.4.2 elad struct arbus_attach_args *aa = aux; 247 1.2.4.2 elad 248 1.2.4.2 elad if (pnp) 249 1.2.4.2 elad aprint_normal("%s at %s", aa->aa_name, pnp); 250 1.2.4.2 elad 251 1.2.4.2 elad if (aa->aa_addr) 252 1.2.4.2 elad aprint_normal(" addr 0x%lx", aa->aa_addr); 253 1.2.4.2 elad 254 1.2.4.2 elad if (aa->aa_irq >= 0) { 255 1.2.4.2 elad aprint_normal(" interrupt %d", ARBUS_IRQ_CPU(aa->aa_irq)); 256 1.2.4.2 elad 257 1.2.4.2 elad if (ARBUS_IRQ_MISC(aa->aa_irq)) 258 1.2.4.2 elad aprint_normal(" irq %d", ARBUS_IRQ_MISC(aa->aa_irq)); 259 1.2.4.2 elad } 260 1.2.4.2 elad 261 1.2.4.2 elad return (UNCONF); 262 1.2.4.2 elad } 263 1.2.4.2 elad 264 1.2.4.2 elad void * 265 1.2.4.2 elad arbus_intr_establish(int irq, int (*handler)(void *), void *arg) 266 1.2.4.2 elad { 267 1.2.4.2 elad struct arbus_intrhand *ih; 268 1.2.4.2 elad 269 1.2.4.2 elad ih = malloc(sizeof(*ih), M_DEVBUF, M_NOWAIT); 270 1.2.4.2 elad if (ih == NULL) 271 1.2.4.2 elad return NULL; 272 1.2.4.2 elad 273 1.2.4.2 elad ih->ih_irq = irq; 274 1.2.4.2 elad ih->ih_cookie = NULL; 275 1.2.4.2 elad 276 1.2.4.2 elad if (ARBUS_IRQ_MISC(irq)) { 277 1.2.4.2 elad irq = ARBUS_IRQ_MISC(irq); 278 1.2.4.2 elad ih->ih_misc = 1; 279 1.2.4.2 elad ih->ih_cookie = ar531x_misc_intr_establish(irq, handler, arg); 280 1.2.4.2 elad } else { 281 1.2.4.2 elad irq = ARBUS_IRQ_CPU(irq); 282 1.2.4.2 elad ih->ih_misc = 0; 283 1.2.4.2 elad ih->ih_cookie = ar531x_intr_establish(irq, handler, arg); 284 1.2.4.2 elad } 285 1.2.4.2 elad 286 1.2.4.2 elad if (ih->ih_cookie == NULL) { 287 1.2.4.2 elad free(ih, M_DEVBUF); 288 1.2.4.2 elad return NULL; 289 1.2.4.2 elad } 290 1.2.4.2 elad return ih; 291 1.2.4.2 elad } 292 1.2.4.2 elad 293 1.2.4.2 elad void 294 1.2.4.2 elad arbus_intr_disestablish(void *arg) 295 1.2.4.2 elad { 296 1.2.4.2 elad struct arbus_intrhand *ih = arg; 297 1.2.4.2 elad if (ih->ih_misc) 298 1.2.4.2 elad ar531x_misc_intr_disestablish(ih->ih_cookie); 299 1.2.4.2 elad else 300 1.2.4.2 elad ar531x_intr_disestablish(ih->ih_cookie); 301 1.2.4.2 elad free(ih, M_DEVBUF); 302 1.2.4.2 elad } 303 1.2.4.2 elad 304 1.2.4.2 elad 305 1.2.4.2 elad void 306 1.2.4.2 elad arbus_dma_init(struct device *sc, bus_dma_tag_t pdt) 307 1.2.4.2 elad { 308 1.2.4.2 elad bus_dma_tag_t t; 309 1.2.4.2 elad 310 1.2.4.2 elad t = pdt; 311 1.2.4.2 elad t->_cookie = sc; 312 1.2.4.2 elad t->_wbase = 0; 313 1.2.4.2 elad t->_physbase = 0; 314 1.2.4.2 elad t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START; 315 1.2.4.2 elad t->_dmamap_create = _bus_dmamap_create; 316 1.2.4.2 elad t->_dmamap_destroy = _bus_dmamap_destroy; 317 1.2.4.2 elad t->_dmamap_load = _bus_dmamap_load; 318 1.2.4.2 elad t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf; 319 1.2.4.2 elad t->_dmamap_load_uio = _bus_dmamap_load_uio; 320 1.2.4.2 elad t->_dmamap_load_raw = _bus_dmamap_load_raw; 321 1.2.4.2 elad t->_dmamap_unload = _bus_dmamap_unload; 322 1.2.4.2 elad t->_dmamap_sync = _bus_dmamap_sync; 323 1.2.4.2 elad t->_dmamem_alloc = _bus_dmamem_alloc; 324 1.2.4.2 elad t->_dmamem_free = _bus_dmamem_free; 325 1.2.4.2 elad t->_dmamem_map = _bus_dmamem_map; 326 1.2.4.2 elad t->_dmamem_unmap = _bus_dmamem_unmap; 327 1.2.4.2 elad t->_dmamem_mmap = _bus_dmamem_mmap; 328 1.2.4.2 elad } 329 1.2.4.2 elad 330 1.2.4.2 elad /* 331 1.2.4.2 elad * CPU memory/register stuff 332 1.2.4.2 elad */ 333 1.2.4.2 elad 334 1.2.4.2 elad #define CHIP arbus 335 1.2.4.2 elad #define CHIP_MEM /* defined */ 336 1.2.4.2 elad #define CHIP_W1_BUS_START(v) 0x00000000UL 337 1.2.4.2 elad #define CHIP_W1_BUS_END(v) 0x1fffffffUL 338 1.2.4.2 elad #define CHIP_W1_SYS_START(v) CHIP_W1_BUS_START(v) 339 1.2.4.2 elad #define CHIP_W1_SYS_END(v) CHIP_W1_BUS_END(v) 340 1.2.4.2 elad 341 1.2.4.2 elad #include <mips/mips/bus_space_alignstride_chipdep.c> 342
Indexes created Wed Oct 22 13:09:56 GMT 2025