eisa_machdep.c revision 1.1
1 /* $NetBSD: eisa_machdep.c,v 1.1 2006/02/23 19:44:02 garbled Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Christopher G. Demetriou 54 * for the NetBSD Project. 55 * 4. The name of the author may not be used to endorse or promote products 56 * derived from this software without specific prior written permission 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 /* 71 * Machine-specific functions for EISA autoconfiguration. 72 */ 73 74 #include <sys/cdefs.h> 75 __KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.1 2006/02/23 19:44:02 garbled Exp $"); 76 77 #include <sys/types.h> 78 #include <sys/param.h> 79 #include <sys/time.h> 80 #include <sys/systm.h> 81 #include <sys/errno.h> 82 #include <sys/device.h> 83 #include <sys/extent.h> 84 85 #define _POWERPC_BUS_DMA_PRIVATE 86 #include <machine/bus.h> 87 #include <machine/pio.h> 88 #include <machine/intr.h> 89 90 #include <dev/isa/isareg.h> 91 #include <dev/isa/isavar.h> 92 #include <dev/eisa/eisavar.h> 93 94 /* 95 * EISA doesn't have any special needs; just use the generic versions 96 * of these funcions. 97 */ 98 struct powerpc_bus_dma_tag eisa_bus_dma_tag = { 99 0, /* _bounce_thresh */ 100 _bus_dmamap_create, 101 _bus_dmamap_destroy, 102 _bus_dmamap_load, 103 _bus_dmamap_load_mbuf, 104 _bus_dmamap_load_uio, 105 _bus_dmamap_load_raw, 106 _bus_dmamap_unload, 107 NULL, /* _dmamap_sync */ 108 _bus_dmamem_alloc, 109 _bus_dmamem_free, 110 _bus_dmamem_map, 111 _bus_dmamem_unmap, 112 _bus_dmamem_mmap, 113 }; 114 115 void 116 eisa_attach_hook(struct device *parent, struct device *self, 117 struct eisabus_attach_args *eba) 118 { 119 /* Nothing to do. */ 120 } 121 122 int 123 eisa_maxslots(eisa_chipset_tag_t ec) 124 { 125 126 /* 127 * Always try 16 slots. 128 */ 129 return (16); 130 } 131 132 int 133 eisa_intr_map(eisa_chipset_tag_t ec, u_int irq, eisa_intr_handle_t *ihp) 134 { 135 if (irq >= I8259_INTR_NUM) { 136 printf("eisa_intr_map: bad IRQ %d\n", irq); 137 *ihp = -1; 138 return 1; 139 } 140 if (irq == 2) { 141 printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n"); 142 irq = 9; 143 } 144 145 *ihp = irq; 146 return 0; 147 } 148 149 const char * 150 eisa_intr_string(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) 151 { 152 static char irqstr[8]; /* 4 + 2 + NULL + sanity */ 153 154 if (ih == 0 || (ih & 0xff) >= I8259_INTR_NUM || ih == 2) 155 panic("eisa_intr_string: bogus handle 0x%x", ih); 156 157 snprintf(irqstr, sizeof(irqstr), "irq %d", ih); 158 return (irqstr); 159 160 } 161 162 const struct evcnt * 163 eisa_intr_evcnt(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) 164 { 165 166 /* XXX for now, no evcnt parent reported */ 167 return NULL; 168 } 169 170 void * 171 eisa_intr_establish(eisa_chipset_tag_t ec, eisa_intr_handle_t ih, 172 int type, int level, int (*func)(void *), void *arg) 173 { 174 int irq; 175 176 irq = ih; 177 return (void *)intr_establish(irq, type, level, func, arg); 178 } 179 180 void 181 eisa_intr_disestablish(eisa_chipset_tag_t ec, void *cookie) 182 { 183 184 intr_disestablish(cookie); 185 } 186 187 int 188 eisa_conf_read_mem(eisa_chipset_tag_t ec, int slot, int func, int entry, 189 struct eisa_cfg_mem *ecm) 190 { 191 192 /* XXX XXX XXX */ 193 return (ENOENT); 194 } 195 196 int 197 eisa_conf_read_irq(eisa_chipset_tag_t ec, int slot, int func, int entry, 198 struct eisa_cfg_irq *eci) 199 { 200 201 /* XXX XXX XXX */ 202 return (ENOENT); 203 } 204 205 int 206 eisa_conf_read_dma(eisa_chipset_tag_t ec, int slot, int func, int entry, 207 struct eisa_cfg_dma *ecd) 208 { 209 210 /* XXX XXX XXX */ 211 return (ENOENT); 212 } 213 214 int 215 eisa_conf_read_io(eisa_chipset_tag_t ec, int slot, int func, int entry, 216 struct eisa_cfg_io *ecio) 217 { 218 219 /* XXX XXX XXX */ 220 return (ENOENT); 221 } 222
Indexes created Mon Oct 20 16:09:52 GMT 2025