eisa_machdep.c revision 1.3
1 /* $NetBSD: eisa_machdep.c,v 1.3 2011/06/18 08:08:29 matt 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by Christopher G. Demetriou 47 * for the NetBSD Project. 48 * 4. The name of the author may not be used to endorse or promote products 49 * derived from this software without specific prior written permission 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 60 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 /* 64 * Machine-specific functions for EISA autoconfiguration. 65 */ 66 67 #include <sys/cdefs.h> 68 __KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.3 2011/06/18 08:08:29 matt Exp $"); 69 70 #include <sys/types.h> 71 #include <sys/param.h> 72 #include <sys/time.h> 73 #include <sys/systm.h> 74 #include <sys/errno.h> 75 #include <sys/device.h> 76 #include <sys/extent.h> 77 78 #define _POWERPC_BUS_DMA_PRIVATE 79 #include <machine/bus.h> 80 #include <machine/pio.h> 81 #include <machine/intr.h> 82 83 #include <dev/isa/isareg.h> 84 #include <dev/isa/isavar.h> 85 #include <dev/eisa/eisavar.h> 86 87 /* 88 * EISA doesn't have any special needs; just use the generic versions 89 * of these funcions. 90 */ 91 struct powerpc_bus_dma_tag eisa_bus_dma_tag = { 92 0, /* _bounce_thresh */ 93 _bus_dmamap_create, 94 _bus_dmamap_destroy, 95 _bus_dmamap_load, 96 _bus_dmamap_load_mbuf, 97 _bus_dmamap_load_uio, 98 _bus_dmamap_load_raw, 99 _bus_dmamap_unload, 100 NULL, /* _dmamap_sync */ 101 _bus_dmamem_alloc, 102 _bus_dmamem_free, 103 _bus_dmamem_map, 104 _bus_dmamem_unmap, 105 _bus_dmamem_mmap, 106 }; 107 108 void 109 eisa_attach_hook(device_t parent, device_t self, 110 struct eisabus_attach_args *eba) 111 { 112 /* Nothing to do. */ 113 } 114 115 int 116 eisa_maxslots(eisa_chipset_tag_t ec) 117 { 118 119 /* 120 * Always try 16 slots. 121 */ 122 return (16); 123 } 124 125 int 126 eisa_intr_map(eisa_chipset_tag_t ec, u_int irq, eisa_intr_handle_t *ihp) 127 { 128 if (irq >= I8259_INTR_NUM) { 129 printf("eisa_intr_map: bad IRQ %d\n", irq); 130 *ihp = -1; 131 return 1; 132 } 133 if (irq == 2) { 134 printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n"); 135 irq = 9; 136 } 137 138 *ihp = irq; 139 return 0; 140 } 141 142 const char * 143 eisa_intr_string(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) 144 { 145 static char irqstr[8]; /* 4 + 2 + NULL + sanity */ 146 147 if (ih == 0 || (ih & 0xff) >= I8259_INTR_NUM || ih == 2) 148 panic("eisa_intr_string: bogus handle 0x%x", ih); 149 150 snprintf(irqstr, sizeof(irqstr), "irq %d", ih); 151 return (irqstr); 152 153 } 154 155 const struct evcnt * 156 eisa_intr_evcnt(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) 157 { 158 159 /* XXX for now, no evcnt parent reported */ 160 return NULL; 161 } 162 163 void * 164 eisa_intr_establish(eisa_chipset_tag_t ec, eisa_intr_handle_t ih, 165 int type, int level, int (*func)(void *), void *arg) 166 { 167 int irq; 168 169 irq = ih; 170 return (void *)intr_establish(irq, type, level, func, arg); 171 } 172 173 void 174 eisa_intr_disestablish(eisa_chipset_tag_t ec, void *cookie) 175 { 176 177 intr_disestablish(cookie); 178 } 179 180 int 181 eisa_conf_read_mem(eisa_chipset_tag_t ec, int slot, int func, int entry, 182 struct eisa_cfg_mem *ecm) 183 { 184 185 /* XXX XXX XXX */ 186 return (ENOENT); 187 } 188 189 int 190 eisa_conf_read_irq(eisa_chipset_tag_t ec, int slot, int func, int entry, 191 struct eisa_cfg_irq *eci) 192 { 193 194 /* XXX XXX XXX */ 195 return (ENOENT); 196 } 197 198 int 199 eisa_conf_read_dma(eisa_chipset_tag_t ec, int slot, int func, int entry, 200 struct eisa_cfg_dma *ecd) 201 { 202 203 /* XXX XXX XXX */ 204 return (ENOENT); 205 } 206 207 int 208 eisa_conf_read_io(eisa_chipset_tag_t ec, int slot, int func, int entry, 209 struct eisa_cfg_io *ecio) 210 { 211 212 /* XXX XXX XXX */ 213 return (ENOENT); 214 } 215
Indexes created Mon Oct 20 20:10:13 GMT 2025