1 /* $NetBSD: adm5120_obio.c,v 1.2 2010/12/15 00:05:47 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or 8 * without modification, are permitted provided that the following 9 * conditions are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 3. The names of the authors may not be used to endorse or promote 17 * products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY 21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright 2002 Wasabi Systems, Inc. 35 * All rights reserved. 36 * 37 * Written by Simon Burge for Wasabi Systems, Inc. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed for the NetBSD Project by 50 * Wasabi Systems, Inc. 51 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 52 * or promote products derived from this software without specific prior 53 * written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 57 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 58 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 59 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 60 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 61 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 62 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 63 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 64 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 65 * POSSIBILITY OF SUCH DAMAGE. 66 */ 67 68 #include <sys/cdefs.h> 69 __KERNEL_RCSID(0, "$NetBSD: adm5120_obio.c,v 1.2 2010/12/15 00:05:47 matt Exp $"); 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/device.h> 74 75 #include <machine/bus.h> 76 77 #include <mips/cache.h> 78 #include <mips/cpuregs.h> 79 80 #include <mips/adm5120/include/adm5120reg.h> 81 #include <mips/adm5120/include/adm5120var.h> 82 #include <mips/adm5120/include/adm5120_mainbusvar.h> 83 #include <mips/adm5120/include/adm5120_obiovar.h> 84 85 #include "locators.h" 86 87 #ifdef OBIO_DEBUG 88 int obio_debug = 1; 89 #define OBIO_DPRINTF(__fmt, ...) \ 90 do { \ 91 if (obio_debug) \ 92 printf((__fmt), __VA_ARGS__); \ 93 } while (/*CONSTCOND*/0) 94 #else /* !OBIO_DEBUG */ 95 #define OBIO_DPRINTF(__fmt, ...) do { } while (/*CONSTCOND*/0) 96 #endif /* OBIO_DEBUG */ 97 98 static int obio_match(struct device *, struct cfdata *, void *); 99 static void obio_attach(struct device *, struct device *, void *); 100 static int obio_submatch(struct device *, struct cfdata *, 101 const int *, void *); 102 static int obio_print(void *, const char *); 103 104 CFATTACH_DECL(obio, sizeof(struct device), obio_match, obio_attach, NULL, NULL); 105 106 /* There can be only one. */ 107 int obio_found; 108 109 struct obiodev { 110 const char *od_name; 111 bus_addr_t od_addr; 112 int od_irq; 113 uint32_t od_gpio_mask; 114 }; 115 116 struct obiodev obiodevs[] = { 117 {"uart", ADM5120_BASE_UART0, 1, 0x0}, 118 {"uart", ADM5120_BASE_UART1, 2, 0x0}, 119 {"admsw", ADM5120_BASE_SWITCH, 9, 0x0}, 120 {"ahci", ADM5120_BASE_USB, 3, 0x0}, 121 {"admflash", ADM5120_BASE_SRAM0, 0, 0x0}, 122 {NULL, 0, 0, 0x0}, 123 }; 124 125 static int 126 obio_match(struct device *parent, struct cfdata *match, void *aux) 127 { 128 return !obio_found; 129 } 130 131 static void 132 obio_attach_args_create(struct obio_attach_args *oa, struct obiodev *od, 133 void *gpio, bus_dma_tag_t dmat, bus_space_tag_t st) 134 { 135 oa->oba_name = od->od_name; 136 oa->oba_addr = od->od_addr; 137 oa->oba_irq = od->od_irq; 138 oa->oba_dt = dmat; 139 oa->oba_st = st; 140 oa->oba_gpio = gpio; 141 oa->oba_gpio_mask = od->od_gpio_mask; 142 } 143 144 static void 145 obio_attach(struct device *parent, struct device *self, void *aux) 146 { 147 struct mainbus_attach_args *ma = (struct mainbus_attach_args *)aux; 148 struct obio_attach_args oa; 149 struct obiodev *od; 150 151 obio_found = 1; 152 printf("\n"); 153 154 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 155 156 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 157 for (od = obiodevs; od->od_name != NULL; od++) { 158 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 159 obio_attach_args_create(&oa, od, ma->ma_gpio, ma->ma_dmat, 160 ma->ma_obiot); 161 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 162 (void)config_found_sm_loc(self, "obio", NULL, &oa, obio_print, 163 obio_submatch); 164 } 165 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 166 } 167 168 static int 169 obio_submatch(struct device *parent, struct cfdata *cf, 170 const int *ldesc, void *aux) 171 { 172 struct obio_attach_args *oa = aux; 173 174 if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT && 175 cf->cf_loc[OBIOCF_ADDR] != oa->oba_addr) 176 return 0; 177 178 return config_match(parent, cf, aux); 179 } 180 181 static int 182 obio_print(void *aux, const char *pnp) 183 { 184 struct obio_attach_args *oa = aux; 185 186 if (pnp != NULL) 187 aprint_normal("%s at %s", oa->oba_name, pnp); 188 if (oa->oba_addr != OBIOCF_ADDR_DEFAULT) 189 aprint_normal(" addr 0x%" PRIxBUSADDR, oa->oba_addr); 190 if (oa->oba_gpio_mask != OBIOCF_GPIO_MASK_DEFAULT) 191 aprint_normal(" gpio_mask 0x%02x", oa->oba_gpio_mask); 192 193 return UNCONF; 194 } 195