1 /* $NetBSD: adm5120_obio.c,v 1.6 2021/08/07 16:18:58 thorpej 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 1.6 2021/08/07 16:18:58 thorpej Exp $"); 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/device.h> 74 75 #include <sys/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(device_t, cfdata_t, void *); 99 static void obio_attach(device_t, device_t, void *); 100 static int obio_submatch(device_t, cfdata_t, const int *, void *); 101 static int obio_print(void *, const char *); 102 103 CFATTACH_DECL_NEW(obio, 0, obio_match, obio_attach, NULL, NULL); 104 105 /* There can be only one. */ 106 int obio_found; 107 108 struct obiodev { 109 const char *od_name; 110 bus_addr_t od_addr; 111 int od_irq; 112 uint32_t od_gpio_mask; 113 }; 114 115 const struct obiodev obiodevs[] = { 116 {"uart", ADM5120_BASE_UART0, 1, 0x0}, 117 {"uart", ADM5120_BASE_UART1, 2, 0x0}, 118 {"admsw", ADM5120_BASE_SWITCH, 9, 0x0}, 119 {"ahci", ADM5120_BASE_USB, 3, 0x0}, 120 {"admflash", ADM5120_BASE_SRAM0, 0, 0x0}, 121 {NULL, 0, 0, 0x0}, 122 }; 123 124 static int 125 obio_match(device_t parent, cfdata_t match, void *aux) 126 { 127 return !obio_found; 128 } 129 130 static void 131 obio_attach_args_create(struct obio_attach_args *oa, const struct obiodev *od, 132 void *gpio, bus_dma_tag_t dmat, bus_space_tag_t st) 133 { 134 oa->oba_name = od->od_name; 135 oa->oba_addr = od->od_addr; 136 oa->oba_irq = od->od_irq; 137 oa->oba_dt = dmat; 138 oa->oba_st = st; 139 oa->oba_gpio = gpio; 140 oa->oba_gpio_mask = od->od_gpio_mask; 141 } 142 143 static void 144 obio_attach(device_t parent, device_t self, void *aux) 145 { 146 struct mainbus_attach_args *ma = (struct mainbus_attach_args *)aux; 147 struct obio_attach_args oa; 148 const struct obiodev *od; 149 150 obio_found = 1; 151 printf("\n"); 152 153 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 154 155 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 156 for (od = obiodevs; od->od_name != NULL; od++) { 157 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 158 obio_attach_args_create(&oa, od, ma->ma_gpio, ma->ma_dmat, 159 ma->ma_obiot); 160 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 161 config_found(self, &oa, obio_print, 162 CFARGS(.submatch = obio_submatch, 163 .iattr = "obio")); 164 } 165 OBIO_DPRINTF("%s: %d\n", __func__, __LINE__); 166 } 167 168 static int 169 obio_submatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 170 { 171 struct obio_attach_args *oa = aux; 172 173 if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT && 174 cf->cf_loc[OBIOCF_ADDR] != oa->oba_addr) 175 return 0; 176 177 return config_match(parent, cf, aux); 178 } 179 180 static int 181 obio_print(void *aux, const char *pnp) 182 { 183 struct obio_attach_args *oa = aux; 184 185 if (pnp != NULL) 186 aprint_normal("%s at %s", oa->oba_name, pnp); 187 if (oa->oba_addr != OBIOCF_ADDR_DEFAULT) 188 aprint_normal(" addr 0x%"PRIxBUSADDR, oa->oba_addr); 189 if (oa->oba_gpio_mask != OBIOCF_GPIO_MASK_DEFAULT) 190 aprint_normal(" gpio_mask 0x%02x", oa->oba_gpio_mask); 191 192 return UNCONF; 193 } 194
Indexes created Sat Sep 20 22:09:52 GMT 2025