puc_pci.c revision 140040
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 11140040Simp * notice, this list of conditions and the following disclaimer. 12102714Sphk * 2. Redistributions in binary form must reproduce the above copyright 13102714Sphk * notice, this list of conditions and the following disclaimer in the 14102714Sphk * documentation and/or other materials provided with the distribution. 15102714Sphk * 16140040Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17140040Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18140040Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19140040Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20140040Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21140040Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22140040Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23140040Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24140040Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25140040Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26140040Simp * SUCH DAMAGE. 27102714Sphk */ 28102714Sphk 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 140040 2005-01-11 06:24:40Z imp $"); 31119418Sobrien 32139749Simp/*- 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 140040 2005-01-11 06:24:40Z imp $"); 65102714Sphk 66102751Sjmallett#include "opt_puc.h" 67102751Sjmallett 68102714Sphk#include <sys/param.h> 69102714Sphk#include <sys/systm.h> 70102714Sphk#include <sys/kernel.h> 71129879Sphk#include <sys/module.h> 72102714Sphk#include <sys/bus.h> 73102714Sphk#include <sys/conf.h> 74102714Sphk#include <sys/malloc.h> 75102714Sphk 76102714Sphk#include <machine/bus.h> 77102714Sphk#include <machine/resource.h> 78102714Sphk#include <sys/rman.h> 79102714Sphk 80102714Sphk#include <dev/pci/pcireg.h> 81102714Sphk#include <dev/pci/pcivar.h> 82102714Sphk 83102714Sphk#define PUC_ENTRAILS 1 84102714Sphk#include <dev/puc/pucvar.h> 85102714Sphk 86119814Smarcelextern const struct puc_device_description puc_devices[]; 87119814Smarcel 88119814Smarcelint puc_config_win877(struct puc_softc *); 89119814Smarcel 90119814Smarcelstatic const struct puc_device_description * 91119814Smarcelpuc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, 92119814Smarcel uint32_t sprod) 93119814Smarcel{ 94119814Smarcel int i; 95119814Smarcel 96119814Smarcel#define checkreg(val, index) \ 97119814Smarcel (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)]) 98119814Smarcel 99119814Smarcel for (i = 0; puc_devices[i].name != NULL; i++) { 100119814Smarcel if (checkreg(vend, PUC_REG_VEND) && 101119814Smarcel checkreg(prod, PUC_REG_PROD) && 102119814Smarcel checkreg(svend, PUC_REG_SVEND) && 103119814Smarcel checkreg(sprod, PUC_REG_SPROD)) 104119814Smarcel return (&puc_devices[i]); 105119814Smarcel } 106119814Smarcel 107119814Smarcel#undef checkreg 108119814Smarcel 109119814Smarcel return (NULL); 110119814Smarcel} 111119814Smarcel 112102714Sphkstatic int 113102714Sphkpuc_pci_probe(device_t dev) 114102714Sphk{ 115102714Sphk uint32_t v1, v2, d1, d2; 116102714Sphk const struct puc_device_description *desc; 117102714Sphk 118119539Sjhb if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0) 119102714Sphk return (ENXIO); 120102714Sphk 121102714Sphk v1 = pci_read_config(dev, PCIR_VENDOR, 2); 122102714Sphk d1 = pci_read_config(dev, PCIR_DEVICE, 2); 123102714Sphk v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 124102714Sphk d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 125102714Sphk 126102714Sphk desc = puc_find_description(v1, d1, v2, d2); 127102714Sphk if (desc == NULL) 128102714Sphk return (ENXIO); 129102714Sphk device_set_desc(dev, desc->name); 130102714Sphk return (0); 131102714Sphk} 132102714Sphk 133102714Sphkstatic int 134102714Sphkpuc_pci_attach(device_t dev) 135102714Sphk{ 136102714Sphk uint32_t v1, v2, d1, d2; 137102714Sphk 138102714Sphk v1 = pci_read_config(dev, PCIR_VENDOR, 2); 139102714Sphk d1 = pci_read_config(dev, PCIR_DEVICE, 2); 140102714Sphk v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 141102714Sphk d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 142102714Sphk return (puc_attach(dev, puc_find_description(v1, d1, v2, d2))); 143102714Sphk} 144102714Sphk 145102714Sphkstatic device_method_t puc_pci_methods[] = { 146102714Sphk /* Device interface */ 147102714Sphk DEVMETHOD(device_probe, puc_pci_probe), 148102714Sphk DEVMETHOD(device_attach, puc_pci_attach), 149102714Sphk 150102714Sphk DEVMETHOD(bus_alloc_resource, puc_alloc_resource), 151102714Sphk DEVMETHOD(bus_release_resource, puc_release_resource), 152102714Sphk DEVMETHOD(bus_get_resource, puc_get_resource), 153102714Sphk DEVMETHOD(bus_read_ivar, puc_read_ivar), 154102714Sphk DEVMETHOD(bus_setup_intr, puc_setup_intr), 155102714Sphk DEVMETHOD(bus_teardown_intr, puc_teardown_intr), 156102714Sphk DEVMETHOD(bus_print_child, bus_generic_print_child), 157102714Sphk DEVMETHOD(bus_driver_added, bus_generic_driver_added), 158102714Sphk { 0, 0 } 159102714Sphk}; 160102714Sphk 161102714Sphkstatic driver_t puc_pci_driver = { 162102714Sphk "puc", 163102714Sphk puc_pci_methods, 164102714Sphk sizeof(struct puc_softc), 165102714Sphk}; 166102714Sphk 167102714SphkDRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); 168123019SimpDRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0); 169102734Sphk 170102734Sphk 171102734Sphk#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ 172102734Sphk bus_space_read_1(bst, bsh, efdr)) 173102734Sphk#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ 174102734Sphk bus_space_write_1(bst, bsh, efdr, data)) 175102734Sphk 176102734Sphk#ifdef PUC_DEBUG 177102734Sphkstatic void 178102734Sphkpuc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, 179102734Sphk u_int efdr) 180102734Sphk{ 181102734Sphk u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; 182102734Sphk u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; 183102734Sphk 184102734Sphk cr00 = rdspio(0x00); 185102734Sphk cr01 = rdspio(0x01); 186102734Sphk cr04 = rdspio(0x04); 187102734Sphk cr09 = rdspio(0x09); 188102734Sphk cr0d = rdspio(0x0d); 189102734Sphk cr14 = rdspio(0x14); 190102734Sphk cr15 = rdspio(0x15); 191102734Sphk cr16 = rdspio(0x16); 192102734Sphk cr17 = rdspio(0x17); 193102734Sphk cr18 = rdspio(0x18); 194102734Sphk cr19 = rdspio(0x19); 195102734Sphk cr24 = rdspio(0x24); 196102734Sphk cr25 = rdspio(0x25); 197102734Sphk cr28 = rdspio(0x28); 198102734Sphk cr2c = rdspio(0x2c); 199102734Sphk cr31 = rdspio(0x31); 200102734Sphk cr32 = rdspio(0x32); 201102734Sphk printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " 202102734Sphk "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " 203102734Sphk "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, 204102734Sphk cr0d, cr14, cr15, cr16, cr17, 205102734Sphk cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); 206102734Sphk} 207102734Sphk#endif 208102734Sphk 209102734Sphkint 210102734Sphkpuc_config_win877(struct puc_softc *sc) 211102734Sphk{ 212102734Sphk u_char val; 213102734Sphk u_int efir, efdr; 214102734Sphk bus_space_tag_t bst; 215102734Sphk bus_space_handle_t bsh; 216102734Sphk struct resource *res; 217102734Sphk 218102734Sphk res = sc->sc_bar_mappings[0].res; 219102734Sphk 220102734Sphk bst = rman_get_bustag(res); 221102734Sphk bsh = rman_get_bushandle(res); 222102734Sphk 223102734Sphk /* configure the first W83877TF */ 224102734Sphk bus_space_write_1(bst, bsh, 0x250, 0x89); 225102734Sphk efir = 0x251; 226102734Sphk efdr = 0x252; 227102734Sphk val = rdspio(0x09) & 0x0f; 228102734Sphk if (val != 0x0c) { 229102734Sphk printf("conf_win877: Oops not a W83877TF\n"); 230102734Sphk return (ENXIO); 231102734Sphk } 232102734Sphk 233102734Sphk#ifdef PUC_DEBUG 234102734Sphk printf("before: "); 235102734Sphk puc_print_win877(bst, bsh, efir, efdr); 236102734Sphk#endif 237102734Sphk 238102734Sphk val = rdspio(0x16); 239102734Sphk val |= 0x04; 240102734Sphk wrspio(0x16, val); 241102734Sphk val &= ~0x04; 242102734Sphk wrspio(0x16, val); 243102734Sphk 244102734Sphk wrspio(0x24, 0x2e8 >> 2); 245102734Sphk wrspio(0x25, 0x2f8 >> 2); 246102734Sphk wrspio(0x17, 0x03); 247102734Sphk wrspio(0x28, 0x43); 248102734Sphk 249102734Sphk#ifdef PUC_DEBUG 250102734Sphk printf("after: "); 251102734Sphk puc_print_win877(bst, bsh, efir, efdr); 252102734Sphk#endif 253102734Sphk 254102734Sphk bus_space_write_1(bst, bsh, 0x250, 0xaa); 255102734Sphk 256102734Sphk /* configure the second W83877TF */ 257102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0x87); 258102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0x87); 259102734Sphk efir = 0x3f0; 260102734Sphk efdr = 0x3f1; 261102734Sphk val = rdspio(0x09) & 0x0f; 262102734Sphk if (val != 0x0c) { 263102734Sphk printf("conf_win877: Oops not a W83877TF\n"); 264102734Sphk return(ENXIO); 265102734Sphk } 266102734Sphk 267102734Sphk#ifdef PUC_DEBUG 268102734Sphk printf("before: "); 269102734Sphk puc_print_win877(bst, bsh, efir, efdr); 270102734Sphk#endif 271102734Sphk 272102734Sphk val = rdspio(0x16); 273102734Sphk val |= 0x04; 274102734Sphk wrspio(0x16, val); 275102734Sphk val &= ~0x04; 276102734Sphk wrspio(0x16, val); 277102734Sphk 278102734Sphk wrspio(0x24, 0x3e8 >> 2); 279102734Sphk wrspio(0x25, 0x3f8 >> 2); 280102734Sphk wrspio(0x17, 0x03); 281102734Sphk wrspio(0x28, 0x43); 282102734Sphk 283102734Sphk#ifdef PUC_DEBUG 284102734Sphk printf("after: "); 285102734Sphk puc_print_win877(bst, bsh, efir, efdr); 286102734Sphk#endif 287102734Sphk 288102734Sphk bus_space_write_1(bst, bsh, 0x3f0, 0xaa); 289102734Sphk return (0); 290102734Sphk} 291102734Sphk 292102734Sphk#undef rdspio 293102734Sphk#undef wrspio 294102734Sphk 295