puc_pci.c revision 119814
1102714Sphk/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 2102714Sphk 3102714Sphk/*- 4102714Sphk * Copyright (c) 2002 JF Hay. All rights reserved. 5102714Sphk * Copyright (c) 2000 M. Warner Losh. All rights reserved. 6102714Sphk * 7102714Sphk * Redistribution and use in source and binary forms, with or without 8102714Sphk * modification, are permitted provided that the following conditions 9102714Sphk * are met: 10102714Sphk * 1. Redistributions of source code must retain the above copyright 11102714Sphk * notice unmodified, this list of conditions, and the following 12102714Sphk * disclaimer. 13102714Sphk * 2. Redistributions in binary form must reproduce the above copyright 14102714Sphk * notice, this list of conditions and the following disclaimer in the 15102714Sphk * documentation and/or other materials provided with the distribution. 16102714Sphk * 17102714Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18102714Sphk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19102714Sphk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20102714Sphk * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21102714Sphk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22102714Sphk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23102714Sphk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24102714Sphk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25102714Sphk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26102714Sphk * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27102714Sphk */ 28102714Sphk 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 119814 2003-09-06 21:48:50Z marcel $"); 31119418Sobrien 32102714Sphk/* 33102714Sphk * Copyright (c) 1996, 1998, 1999 34102714Sphk * Christopher G. Demetriou. All rights reserved. 35102714Sphk * 36102714Sphk * Redistribution and use in source and binary forms, with or without 37102714Sphk * modification, are permitted provided that the following conditions 38102714Sphk * are met: 39102714Sphk * 1. Redistributions of source code must retain the above copyright 40102714Sphk * notice, this list of conditions and the following disclaimer. 41102714Sphk * 2. Redistributions in binary form must reproduce the above copyright 42102714Sphk * notice, this list of conditions and the following disclaimer in the 43102714Sphk * documentation and/or other materials provided with the distribution. 44102714Sphk * 3. All advertising materials mentioning features or use of this software 45102714Sphk * must display the following acknowledgement: 46102714Sphk * This product includes software developed by Christopher G. Demetriou 47102714Sphk * for the NetBSD Project. 48102714Sphk * 4. The name of the author may not be used to endorse or promote products 49102714Sphk * derived from this software without specific prior written permission 50102714Sphk * 51102714Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 52102714Sphk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 53102714Sphk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 54102714Sphk * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 55102714Sphk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56102714Sphk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57102714Sphk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58102714Sphk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59102714Sphk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 60102714Sphk * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61102714Sphk */ 62102714Sphk 63102714Sphk#include <sys/cdefs.h> 64102714Sphk__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 119814 2003-09-06 21:48:50Z marcel $"); 65102714Sphk 66102751Sjmallett#include "opt_puc.h" 67102751Sjmallett 68102714Sphk#include <sys/param.h> 69102714Sphk#include <sys/systm.h> 70102714Sphk#include <sys/kernel.h> 71102714Sphk#include <sys/bus.h> 72102714Sphk#include <sys/conf.h> 73102714Sphk#include <sys/malloc.h> 74102714Sphk 75102714Sphk#include <machine/bus.h> 76102714Sphk#include <machine/resource.h> 77102714Sphk#include <sys/rman.h> 78102714Sphk 79102714Sphk#include <dev/pci/pcireg.h> 80102714Sphk#include <dev/pci/pcivar.h> 81102714Sphk 82102714Sphk#define PUC_ENTRAILS 1 83102714Sphk#include <dev/puc/pucvar.h> 84102714Sphk 85119814Smarcelextern const struct puc_device_description puc_devices[]; 86119814Smarcel 87119814Smarcelint puc_config_win877(struct puc_softc *); 88119814Smarcel 89119814Smarcelstatic const struct puc_device_description * 90119814Smarcelpuc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, 91119814Smarcel uint32_t sprod) 92119814Smarcel{ 93119814Smarcel int i; 94119814Smarcel 95119814Smarcel#define checkreg(val, index) \ 96119814Smarcel (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)]) 97119814Smarcel 98119814Smarcel for (i = 0; puc_devices[i].name != NULL; i++) { 99119814Smarcel if (checkreg(vend, PUC_REG_VEND) && 100119814Smarcel checkreg(prod, PUC_REG_PROD) && 101119814Smarcel checkreg(svend, PUC_REG_SVEND) && 102119814Smarcel checkreg(sprod, PUC_REG_SPROD)) 103119814Smarcel return (&puc_devices[i]); 104119814Smarcel } 105119814Smarcel 106119814Smarcel#undef checkreg 107119814Smarcel 108119814Smarcel return (NULL); 109119814Smarcel} 110119814Smarcel 111102714Sphkstatic int 112102714Sphkpuc_pci_probe(device_t dev) 113102714Sphk{ 114102714Sphk uint32_t v1, v2, d1, d2; 115102714Sphk const struct puc_device_description *desc; 116102714Sphk 117119539Sjhb if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0) 118102714Sphk return (ENXIO); 119102714Sphk 120102714Sphk v1 = pci_read_config(dev, PCIR_VENDOR, 2); 121102714Sphk d1 = pci_read_config(dev, PCIR_DEVICE, 2); 122102714Sphk v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 123102714Sphk d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 124102714Sphk 125102714Sphk desc = puc_find_description(v1, d1, v2, d2); 126102714Sphk if (desc == NULL) 127102714Sphk return (ENXIO); 128102714Sphk device_set_desc(dev, desc->name); 129102714Sphk return (0); 130102714Sphk} 131102714Sphk 132102714Sphkstatic int 133102714Sphkpuc_pci_attach(device_t dev) 134102714Sphk{ 135102714Sphk uint32_t v1, v2, d1, d2; 136102714Sphk 137102714Sphk v1 = pci_read_config(dev, PCIR_VENDOR, 2); 138102714Sphk d1 = pci_read_config(dev, PCIR_DEVICE, 2); 139102714Sphk v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 140102714Sphk d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 141102714Sphk return (puc_attach(dev, puc_find_description(v1, d1, v2, d2))); 142102714Sphk} 143102714Sphk 144102714Sphkstatic device_method_t puc_pci_methods[] = { 145102714Sphk /* Device interface */ 146102714Sphk DEVMETHOD(device_probe, puc_pci_probe), 147102714Sphk DEVMETHOD(device_attach, puc_pci_attach), 148102714Sphk 149102714Sphk DEVMETHOD(bus_alloc_resource, puc_alloc_resource), 150102714Sphk DEVMETHOD(bus_release_resource, puc_release_resource), 151102714Sphk DEVMETHOD(bus_get_resource, puc_get_resource), 152102714Sphk DEVMETHOD(bus_read_ivar, puc_read_ivar), 153102714Sphk DEVMETHOD(bus_setup_intr, puc_setup_intr), 154102714Sphk DEVMETHOD(bus_teardown_intr, puc_teardown_intr), 155102714Sphk DEVMETHOD(bus_print_child, bus_generic_print_child), 156102714Sphk DEVMETHOD(bus_driver_added, bus_generic_driver_added), 157102714Sphk { 0, 0 } 158102714Sphk}; 159102714Sphk 160102714Sphkstatic driver_t puc_pci_driver = { 161102714Sphk "puc", 162102714Sphk puc_pci_methods, 163102714Sphk sizeof(struct puc_softc), 164102714Sphk}; 165102714Sphk 166102714SphkDRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); 167102714SphkDRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0); 168102734Sphk 169102734Sphk 170102734Sphk#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ 171102734Sphk bus_space_read_1(bst, bsh, efdr)) 172102734Sphk#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ 173102734Sphk bus_space_write_1(bst, bsh, efdr, data)) 174102734Sphk 175102734Sphk#ifdef PUC_DEBUG 176102734Sphkstatic void 177102734Sphkpuc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, 178102734Sphk u_int efdr) 179102734Sphk{ 180102734Sphk u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; 181102734Sphk u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; 182102734Sphk 183102734Sphk cr00 = rdspio(0x00); 184102734Sphk cr01 = rdspio(0x01); 185102734Sphk cr04 = rdspio(0x04); 186102734Sphk cr09 = rdspio(0x09); 187102734Sphk cr0d = rdspio(0x0d); 188102734Sphk cr14 = rdspio(0x14); 189102734Sphk cr15 = rdspio(0x15); 190102734Sphk cr16 = rdspio(0x16); 191102734Sphk cr17 = rdspio(0x17); 192102734Sphk cr18 = rdspio(0x18); 193102734Sphk cr19 = rdspio(0x19); 194102734Sphk cr24 = rdspio(0x24); 195102734Sphk cr25 = rdspio(0x25); 196102734Sphk cr28 = rdspio(0x28); 197102734Sphk cr2c = rdspio(0x2c); 198102734Sphk cr31 = rdspio(0x31); 199102734Sphk cr32 = rdspio(0x32); 200102734Sphk printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " 201102734Sphk "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " 202102734Sphk "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, 203102734Sphk cr0d, cr14, cr15, cr16, cr17, 204102734Sphk cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); 205102734Sphk} 206102734Sphk#endif 207102734Sphk 208102734Sphkint 209102734Sphkpuc_config_win877(struct puc_softc *sc) 210102734Sphk{ 211102734Sphk u_char val; 212102734Sphk u_int efir, efdr; 213102734Sphk bus_space_tag_t bst; 214102734Sphk bus_space_handle_t bsh; 215102734Sphk struct resource *res; 216102734Sphk 217102734Sphk res = sc->sc_bar_mappings[0].res; 218102734Sphk 219102734Sphk bst = rman_get_bustag(res); 220102734Sphk bsh = rman_get_bushandle(res); 221102734Sphk 222102734Sphk /* configure the first W83877TF */ 223102734Sphk bus_space_write_1(bst, bsh, 0x250, 0x89); 224102734Sphk efir = 0x251; 225102734Sphk efdr = 0x252; 226102734Sphk val = rdspio(0x09) & 0x0f; 227102734Sphk if (val != 0x0c) { 228102734Sphk printf("conf_win877: Oops not a W83877TF\n"); 229102734Sphk return (ENXIO); 230102734Sphk } 231102734Sphk 232102734Sphk#ifdef PUC_DEBUG 233102734Sphk printf("before: "); 234102734Sphk puc_print_win877(bst, bsh, efir, efdr); 235102734Sphk#endif 236102734Sphk 237102734Sphk val = rdspio(0x16); 238102734Sphk val |= 0x04; 239102734Sphk wrspio(0x16, val); 240102734Sphk val &= ~0x04; 241102734Sphk wrspio(0x16, val); 242102734Sphk 243102734Sphk wrspio(0x24, 0x2e8 >> 2); 244102734Sphk wrspio(0x25, 0x2f8 >> 2); 245102734Sphk wrspio(0x17, 0x03); 246102734Sphk wrspio(0x28, 0x43); 247102734Sphk 248102734Sphk#ifdef PUC_DEBUG 249102734Sphk printf("after: "); 250102734Sphk puc_print_win877(bst, bsh, efir, efdr); 251102734Sphk#endif 252102734Sphk 253102734Sphk bus_space_write_1(bst, bsh, 0x250, 0xaa); 254102734Sphk 255102734Sphk /* configure the second W83877TF */ 256102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0x87); 257102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0x87); 258102734Sphk efir = 0x3f0; 259102734Sphk efdr = 0x3f1; 260102734Sphk val = rdspio(0x09) & 0x0f; 261102734Sphk if (val != 0x0c) { 262102734Sphk printf("conf_win877: Oops not a W83877TF\n"); 263102734Sphk return(ENXIO); 264102734Sphk } 265102734Sphk 266102734Sphk#ifdef PUC_DEBUG 267102734Sphk printf("before: "); 268102734Sphk puc_print_win877(bst, bsh, efir, efdr); 269102734Sphk#endif 270102734Sphk 271102734Sphk val = rdspio(0x16); 272102734Sphk val |= 0x04; 273102734Sphk wrspio(0x16, val); 274102734Sphk val &= ~0x04; 275102734Sphk wrspio(0x16, val); 276102734Sphk 277102734Sphk wrspio(0x24, 0x3e8 >> 2); 278102734Sphk wrspio(0x25, 0x3f8 >> 2); 279102734Sphk wrspio(0x17, 0x03); 280102734Sphk wrspio(0x28, 0x43); 281102734Sphk 282102734Sphk#ifdef PUC_DEBUG 283102734Sphk printf("after: "); 284102734Sphk puc_print_win877(bst, bsh, efir, efdr); 285102734Sphk#endif 286102734Sphk 287102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0xaa); 288102734Sphk return (0); 289102734Sphk} 290102734Sphk 291102734Sphk#undef rdspio 292102734Sphk#undef wrspio 293102734Sphk 294