1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * sun4u root nexus driver 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate #include <sys/conf.h> 33*0Sstevel@tonic-gate #include <sys/cpuvar.h> 34*0Sstevel@tonic-gate #include <sys/sysiosbus.h> 35*0Sstevel@tonic-gate #include <sys/intreg.h> 36*0Sstevel@tonic-gate #include <sys/ddi_subrdefs.h> 37*0Sstevel@tonic-gate #include <sys/sunndi.h> 38*0Sstevel@tonic-gate #include <sys/async.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate /* Useful debugging Stuff */ 41*0Sstevel@tonic-gate #include <sys/nexusdebug.h> 42*0Sstevel@tonic-gate #define ROOTNEX_MAP_DEBUG 0x1 43*0Sstevel@tonic-gate #define ROOTNEX_INTR_DEBUG 0x2 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* 46*0Sstevel@tonic-gate * Extern declarations 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate extern uint_t root_phys_addr_lo_mask; 49*0Sstevel@tonic-gate extern int rootnex_name_child(dev_info_t *child, char *name, int namelen); 50*0Sstevel@tonic-gate extern int rootnex_ctl_uninitchild(dev_info_t *dip); 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate uint_t root_phys_addr_hi_mask = 0xffffffff; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate /* 55*0Sstevel@tonic-gate * config information 56*0Sstevel@tonic-gate */ 57*0Sstevel@tonic-gate int 58*0Sstevel@tonic-gate rootnex_add_intr_impl(dev_info_t *dip, dev_info_t *rdip, 59*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate int 62*0Sstevel@tonic-gate rootnex_remove_intr_impl(dev_info_t *dip, dev_info_t *rdip, 63*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate void 66*0Sstevel@tonic-gate rootnex_get_intr_pri(dev_info_t *dip, dev_info_t *rdip, 67*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp); 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate ddi_iblock_cookie_t rootnex_err_ibc; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* 72*0Sstevel@tonic-gate * rootnex_add_intr_impl: 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate /*ARGSUSED*/ 75*0Sstevel@tonic-gate int 76*0Sstevel@tonic-gate rootnex_add_intr_impl(dev_info_t *dip, dev_info_t *rdip, 77*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp) 78*0Sstevel@tonic-gate { 79*0Sstevel@tonic-gate ddi_ispec_t *ip = (ddi_ispec_t *)hdlp->ih_private; 80*0Sstevel@tonic-gate volatile uint64_t *intr_mapping_reg; 81*0Sstevel@tonic-gate volatile uint64_t mondo_vector; 82*0Sstevel@tonic-gate int32_t r_upaid = -1; 83*0Sstevel@tonic-gate int32_t slave = 0; 84*0Sstevel@tonic-gate int32_t upa_portid; 85*0Sstevel@tonic-gate int len, ret; 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate if ((upa_portid = ddi_prop_get_int(DDI_DEV_T_ANY, rdip, 88*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1)) != -1) { 89*0Sstevel@tonic-gate if (ddi_getprop(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, 90*0Sstevel@tonic-gate "upa-interrupt-slave", 0) != 0) { 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate /* Give slave devices pri of 5. e.g. fb's */ 93*0Sstevel@tonic-gate ip->is_pil = 5; 94*0Sstevel@tonic-gate hdlp->ih_pri = ip->is_pil; 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* 98*0Sstevel@tonic-gate * Translate the interrupt property by stuffing in the 99*0Sstevel@tonic-gate * portid for those devices which have a upa-portid. 100*0Sstevel@tonic-gate */ 101*0Sstevel@tonic-gate *ip->is_intr |= (UPAID_TO_IGN(upa_portid) << 6); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* 105*0Sstevel@tonic-gate * Hack to support the UPA slave devices before the 1275 106*0Sstevel@tonic-gate * support for imap was introduced. 107*0Sstevel@tonic-gate */ 108*0Sstevel@tonic-gate if (ddi_getproplen(DDI_DEV_T_ANY, dip, NULL, "interrupt-map", 109*0Sstevel@tonic-gate &len) != DDI_PROP_SUCCESS && ddi_getprop(DDI_DEV_T_ANY, 110*0Sstevel@tonic-gate rdip, DDI_PROP_DONTPASS, "upa-interrupt-slave", 0) != 0 && 111*0Sstevel@tonic-gate ddi_get_parent(rdip) == dip) { 112*0Sstevel@tonic-gate slave = 1; 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate if ((r_upaid = ddi_prop_get_int(DDI_DEV_T_ANY, rdip, 115*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1)) != -1) { 116*0Sstevel@tonic-gate extern uint64_t *get_intr_mapping_reg(int, int); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate if ((intr_mapping_reg = get_intr_mapping_reg( 119*0Sstevel@tonic-gate r_upaid, 1)) == NULL) 120*0Sstevel@tonic-gate return (DDI_FAILURE); 121*0Sstevel@tonic-gate } else 122*0Sstevel@tonic-gate return (DDI_FAILURE); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate hdlp->ih_vector = *ip->is_intr; 126*0Sstevel@tonic-gate if ((ret = i_ddi_add_ivintr(hdlp)) != DDI_SUCCESS) 127*0Sstevel@tonic-gate return (ret); 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate /* 130*0Sstevel@tonic-gate * Hack to support the UPA slave devices before the 1275 131*0Sstevel@tonic-gate * support for imap was introduced. 132*0Sstevel@tonic-gate */ 133*0Sstevel@tonic-gate if (slave) { 134*0Sstevel@tonic-gate /* 135*0Sstevel@tonic-gate * Program the interrupt mapping register. 136*0Sstevel@tonic-gate * Interrupts from the slave UPA devices are 137*0Sstevel@tonic-gate * directed at the boot CPU until it is known 138*0Sstevel@tonic-gate * that they can be safely redirected while 139*0Sstevel@tonic-gate * running under load. 140*0Sstevel@tonic-gate */ 141*0Sstevel@tonic-gate mondo_vector = cpu0.cpu_id << IMR_TID_SHIFT; 142*0Sstevel@tonic-gate mondo_vector |= (IMR_VALID | (uint64_t)*ip->is_intr); 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate /* Set the mapping register */ 145*0Sstevel@tonic-gate *intr_mapping_reg = mondo_vector; 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate /* Flush write buffers */ 148*0Sstevel@tonic-gate mondo_vector = *intr_mapping_reg; 149*0Sstevel@tonic-gate } 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate return (ret); 152*0Sstevel@tonic-gate } 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate /* 155*0Sstevel@tonic-gate * rootnex_remove_intr_impl: 156*0Sstevel@tonic-gate */ 157*0Sstevel@tonic-gate /*ARGSUSED*/ 158*0Sstevel@tonic-gate int 159*0Sstevel@tonic-gate rootnex_remove_intr_impl(dev_info_t *dip, dev_info_t *rdip, 160*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp) 161*0Sstevel@tonic-gate { 162*0Sstevel@tonic-gate ddi_ispec_t *ip = (ddi_ispec_t *)hdlp->ih_private; 163*0Sstevel@tonic-gate int32_t upa_portid; 164*0Sstevel@tonic-gate int len; 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate if ((upa_portid = ddi_prop_get_int(DDI_DEV_T_ANY, rdip, 167*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1)) != -1) { 168*0Sstevel@tonic-gate /* 169*0Sstevel@tonic-gate * Translate the interrupt property by stuffing in the 170*0Sstevel@tonic-gate * portid for those devices which have a upa-portid. 171*0Sstevel@tonic-gate */ 172*0Sstevel@tonic-gate *ip->is_intr |= (UPAID_TO_IGN(upa_portid) << 6); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate /* 176*0Sstevel@tonic-gate * Hack to support the UPA slave devices before the 1275 177*0Sstevel@tonic-gate * support for imap was introduced. 178*0Sstevel@tonic-gate */ 179*0Sstevel@tonic-gate if (ddi_getproplen(DDI_DEV_T_ANY, dip, NULL, "interrupt-map", 180*0Sstevel@tonic-gate &len) != DDI_PROP_SUCCESS && ddi_getprop(DDI_DEV_T_ANY, 181*0Sstevel@tonic-gate rdip, DDI_PROP_DONTPASS, "upa-interrupt-slave", 0) != 0) { 182*0Sstevel@tonic-gate int32_t r_upaid = -1; 183*0Sstevel@tonic-gate 184*0Sstevel@tonic-gate if ((r_upaid = ddi_prop_get_int(DDI_DEV_T_ANY, rdip, 185*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1)) != -1 && 186*0Sstevel@tonic-gate ddi_get_parent(rdip) == dip) { 187*0Sstevel@tonic-gate volatile uint64_t *intr_mapping_reg; 188*0Sstevel@tonic-gate volatile uint64_t flush_data; 189*0Sstevel@tonic-gate extern uint64_t *get_intr_mapping_reg(int, int); 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate if ((intr_mapping_reg = get_intr_mapping_reg( 192*0Sstevel@tonic-gate r_upaid, 1)) == NULL) 193*0Sstevel@tonic-gate return (DDI_SUCCESS); 194*0Sstevel@tonic-gate 195*0Sstevel@tonic-gate /* Clear the mapping register */ 196*0Sstevel@tonic-gate *intr_mapping_reg = 0x0ull; 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate /* Flush write buffers */ 199*0Sstevel@tonic-gate flush_data = *intr_mapping_reg; 200*0Sstevel@tonic-gate #ifdef lint 201*0Sstevel@tonic-gate flush_data = flush_data; 202*0Sstevel@tonic-gate #endif /* lint */ 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate } 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate hdlp->ih_vector = *ip->is_intr; 207*0Sstevel@tonic-gate i_ddi_rem_ivintr(hdlp); 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate return (DDI_SUCCESS); 210*0Sstevel@tonic-gate } 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate /* 213*0Sstevel@tonic-gate * rootnex_get_intr_pri: 214*0Sstevel@tonic-gate */ 215*0Sstevel@tonic-gate /*ARGSUSED*/ 216*0Sstevel@tonic-gate void 217*0Sstevel@tonic-gate rootnex_get_intr_pri(dev_info_t *dip, dev_info_t *rdip, 218*0Sstevel@tonic-gate ddi_intr_handle_impl_t *hdlp) 219*0Sstevel@tonic-gate { 220*0Sstevel@tonic-gate ddi_ispec_t *ip = (ddi_ispec_t *)hdlp->ih_private; 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, 223*0Sstevel@tonic-gate "upa-portid", -1) != -1) { 224*0Sstevel@tonic-gate if (ddi_getprop(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, 225*0Sstevel@tonic-gate "upa-interrupt-slave", 0) != 0) { 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate /* Give slave devices pri of 5. e.g. fb's */ 228*0Sstevel@tonic-gate ip->is_pil = 5; 229*0Sstevel@tonic-gate } 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate } 232*0Sstevel@tonic-gate 233*0Sstevel@tonic-gate int 234*0Sstevel@tonic-gate rootnex_ctl_reportdev_impl(dev_info_t *dev) 235*0Sstevel@tonic-gate { 236*0Sstevel@tonic-gate struct regspec *rp; 237*0Sstevel@tonic-gate char buf[80]; 238*0Sstevel@tonic-gate char *p = buf; 239*0Sstevel@tonic-gate register int n; 240*0Sstevel@tonic-gate int portid; 241*0Sstevel@tonic-gate int nodeid; 242*0Sstevel@tonic-gate 243*0Sstevel@tonic-gate (void) sprintf(p, "%s%d at root", ddi_driver_name(dev), 244*0Sstevel@tonic-gate ddi_get_instance(dev)); 245*0Sstevel@tonic-gate p += strlen(p); 246*0Sstevel@tonic-gate 247*0Sstevel@tonic-gate if ((n = sparc_pd_getnreg(dev)) > 0) { 248*0Sstevel@tonic-gate rp = sparc_pd_getreg(dev, 0); 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate (void) strcpy(p, ": "); 251*0Sstevel@tonic-gate p += strlen(p); 252*0Sstevel@tonic-gate 253*0Sstevel@tonic-gate /* 254*0Sstevel@tonic-gate * This stuff needs to be fixed correctly for the FFB 255*0Sstevel@tonic-gate * devices and the UPA add-on devices. 256*0Sstevel@tonic-gate */ 257*0Sstevel@tonic-gate portid = ddi_prop_get_int(DDI_DEV_T_ANY, dev, 258*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1); 259*0Sstevel@tonic-gate if (portid != -1) 260*0Sstevel@tonic-gate (void) sprintf(p, "UPA 0x%x 0x%x%s", 261*0Sstevel@tonic-gate portid, 262*0Sstevel@tonic-gate rp->regspec_addr, (n > 1 ? "" : " ...")); 263*0Sstevel@tonic-gate else { 264*0Sstevel@tonic-gate portid = ddi_prop_get_int(DDI_DEV_T_ANY, dev, 265*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "portid", -1); 266*0Sstevel@tonic-gate nodeid = ddi_prop_get_int(DDI_DEV_T_ANY, dev, 267*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "nodeid", -1); 268*0Sstevel@tonic-gate if (portid == -1 && nodeid == -1) 269*0Sstevel@tonic-gate printf("could not find portid " 270*0Sstevel@tonic-gate "or nodeid property in %s\n", 271*0Sstevel@tonic-gate DEVI(dev)->devi_node_name); 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate if (portid != -1) 274*0Sstevel@tonic-gate (void) sprintf(p, "SAFARI 0x%x 0x%x%s", 275*0Sstevel@tonic-gate portid, 276*0Sstevel@tonic-gate rp->regspec_addr & 277*0Sstevel@tonic-gate root_phys_addr_lo_mask, 278*0Sstevel@tonic-gate (n > 1 ? "" : " ...")); 279*0Sstevel@tonic-gate if (nodeid != -1) 280*0Sstevel@tonic-gate (void) sprintf(p, "SSM Node %d", nodeid); 281*0Sstevel@tonic-gate } 282*0Sstevel@tonic-gate p += strlen(p); 283*0Sstevel@tonic-gate } 284*0Sstevel@tonic-gate 285*0Sstevel@tonic-gate /* 286*0Sstevel@tonic-gate * This is where we need to print out the interrupt specifications 287*0Sstevel@tonic-gate * for the FFB device and any UPA add-on devices. Not sure how to 288*0Sstevel@tonic-gate * do this yet? 289*0Sstevel@tonic-gate */ 290*0Sstevel@tonic-gate cmn_err(CE_CONT, "?%s\n", buf); 291*0Sstevel@tonic-gate return (DDI_SUCCESS); 292*0Sstevel@tonic-gate } 293*0Sstevel@tonic-gate 294*0Sstevel@tonic-gate int 295*0Sstevel@tonic-gate rootnex_name_child_impl(dev_info_t *child, char *name, int namelen) 296*0Sstevel@tonic-gate { 297*0Sstevel@tonic-gate struct ddi_parent_private_data *pdptr; 298*0Sstevel@tonic-gate int portid, nodeid; 299*0Sstevel@tonic-gate char *node_name; 300*0Sstevel@tonic-gate struct regspec *rp; 301*0Sstevel@tonic-gate 302*0Sstevel@tonic-gate extern uint_t root_phys_addr_lo_mask; 303*0Sstevel@tonic-gate extern void make_ddi_ppd( 304*0Sstevel@tonic-gate dev_info_t *, struct ddi_parent_private_data **); 305*0Sstevel@tonic-gate 306*0Sstevel@tonic-gate /* 307*0Sstevel@tonic-gate * Fill in parent-private data and this function returns to us 308*0Sstevel@tonic-gate * an indication if it used "registers" to fill in the data. 309*0Sstevel@tonic-gate */ 310*0Sstevel@tonic-gate if (ddi_get_parent_data(child) == NULL) { 311*0Sstevel@tonic-gate make_ddi_ppd(child, &pdptr); 312*0Sstevel@tonic-gate ddi_set_parent_data(child, pdptr); 313*0Sstevel@tonic-gate } 314*0Sstevel@tonic-gate 315*0Sstevel@tonic-gate /* 316*0Sstevel@tonic-gate * No reg property, return null string as address (e.g. pseudo) 317*0Sstevel@tonic-gate */ 318*0Sstevel@tonic-gate name[0] = '\0'; 319*0Sstevel@tonic-gate if (sparc_pd_getnreg(child) == 0) { 320*0Sstevel@tonic-gate return (DDI_SUCCESS); 321*0Sstevel@tonic-gate } 322*0Sstevel@tonic-gate rp = sparc_pd_getreg(child, 0); 323*0Sstevel@tonic-gate ASSERT(rp != NULL); 324*0Sstevel@tonic-gate 325*0Sstevel@tonic-gate /* 326*0Sstevel@tonic-gate * Create portid property for fhc node under root(/fhc). 327*0Sstevel@tonic-gate */ 328*0Sstevel@tonic-gate node_name = ddi_node_name(child); 329*0Sstevel@tonic-gate if ((strcmp(node_name, "fhc") == 0) || 330*0Sstevel@tonic-gate (strcmp(node_name, "mem-unit") == 0) || 331*0Sstevel@tonic-gate (strcmp(node_name, "central") == 0)) { 332*0Sstevel@tonic-gate #ifdef _STARFIRE 333*0Sstevel@tonic-gate portid = ((((rp->regspec_bustype) & 0x6) >> 1) | 334*0Sstevel@tonic-gate (((rp->regspec_bustype) & 0xF0) >> 2) | 335*0Sstevel@tonic-gate (((rp->regspec_bustype) & 0x8) << 3)); 336*0Sstevel@tonic-gate #else 337*0Sstevel@tonic-gate portid = (rp->regspec_bustype >> 1) & 0x1f; 338*0Sstevel@tonic-gate #endif 339*0Sstevel@tonic-gate 340*0Sstevel@tonic-gate /* 341*0Sstevel@tonic-gate * The port-id must go on the hardware property list, 342*0Sstevel@tonic-gate * otherwise, initchild may fail. 343*0Sstevel@tonic-gate */ 344*0Sstevel@tonic-gate if (ndi_prop_update_int(DDI_DEV_T_NONE, child, "upa-portid", 345*0Sstevel@tonic-gate portid) != DDI_SUCCESS) 346*0Sstevel@tonic-gate cmn_err(CE_WARN, 347*0Sstevel@tonic-gate "Error in creating upa-portid property for fhc.\n"); 348*0Sstevel@tonic-gate } 349*0Sstevel@tonic-gate 350*0Sstevel@tonic-gate /* 351*0Sstevel@tonic-gate * Name node on behalf of child nexus. 352*0Sstevel@tonic-gate */ 353*0Sstevel@tonic-gate if (ddi_get_parent(child) != ddi_root_node()) { 354*0Sstevel@tonic-gate (void) snprintf(name, namelen, "%x,%x", 355*0Sstevel@tonic-gate rp->regspec_bustype, rp->regspec_addr); 356*0Sstevel@tonic-gate return (DDI_SUCCESS); 357*0Sstevel@tonic-gate } 358*0Sstevel@tonic-gate 359*0Sstevel@tonic-gate /* 360*0Sstevel@tonic-gate * On sun4u, the 'name' of children of the root node 361*0Sstevel@tonic-gate * is foo@<upa-mid>,<offset>, which is derived from, 362*0Sstevel@tonic-gate * but not identical to the physical address. 363*0Sstevel@tonic-gate */ 364*0Sstevel@tonic-gate portid = ddi_prop_get_int(DDI_DEV_T_ANY, child, 365*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "upa-portid", -1); 366*0Sstevel@tonic-gate if (portid == -1) 367*0Sstevel@tonic-gate portid = ddi_prop_get_int(DDI_DEV_T_ANY, child, 368*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "portid", -1); 369*0Sstevel@tonic-gate nodeid = ddi_prop_get_int(DDI_DEV_T_ANY, child, 370*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "nodeid", -1); 371*0Sstevel@tonic-gate 372*0Sstevel@tonic-gate /* 373*0Sstevel@tonic-gate * Do not log message, to handle cases where OBP version 374*0Sstevel@tonic-gate * does not have "portid" property for the root i2c node. 375*0Sstevel@tonic-gate * 376*0Sstevel@tonic-gate * Platforms supporting root i2c node (potentially without 377*0Sstevel@tonic-gate * "portid" property) are : 378*0Sstevel@tonic-gate * SunBlade 1500, SunBlade 2500, V240, V250 379*0Sstevel@tonic-gate */ 380*0Sstevel@tonic-gate if (portid == -1 && nodeid == -1 && 381*0Sstevel@tonic-gate strncmp(node_name, "i2c", strlen("i2c")) != 0) 382*0Sstevel@tonic-gate cmn_err(CE_WARN, 383*0Sstevel@tonic-gate "could not find portid or nodeid property in %s\n", 384*0Sstevel@tonic-gate DEVI(child)->devi_node_name); 385*0Sstevel@tonic-gate if (nodeid != -1) 386*0Sstevel@tonic-gate (void) snprintf(name, namelen, "%x,0", nodeid); 387*0Sstevel@tonic-gate else 388*0Sstevel@tonic-gate (void) snprintf(name, namelen, "%x,%x", portid, 389*0Sstevel@tonic-gate rp->regspec_addr & root_phys_addr_lo_mask); 390*0Sstevel@tonic-gate 391*0Sstevel@tonic-gate return (DDI_SUCCESS); 392*0Sstevel@tonic-gate } 393*0Sstevel@tonic-gate 394*0Sstevel@tonic-gate int 395*0Sstevel@tonic-gate rootnex_ctl_initchild_impl(dev_info_t *dip) 396*0Sstevel@tonic-gate { 397*0Sstevel@tonic-gate struct regspec *rp; 398*0Sstevel@tonic-gate struct ddi_parent_private_data *pd; 399*0Sstevel@tonic-gate char name[MAXNAMELEN]; 400*0Sstevel@tonic-gate 401*0Sstevel@tonic-gate extern struct ddi_parent_private_data *init_regspec_64(dev_info_t *dip); 402*0Sstevel@tonic-gate 403*0Sstevel@tonic-gate /* Name the child */ 404*0Sstevel@tonic-gate (void) rootnex_name_child(dip, name, MAXNAMELEN); 405*0Sstevel@tonic-gate ddi_set_name_addr(dip, name); 406*0Sstevel@tonic-gate 407*0Sstevel@tonic-gate /* 408*0Sstevel@tonic-gate * Try to merge .conf node. If merge is successful, return 409*0Sstevel@tonic-gate * DDI_FAILURE to allow caller to remove this node. 410*0Sstevel@tonic-gate */ 411*0Sstevel@tonic-gate if (ndi_dev_is_persistent_node(dip) == 0 && 412*0Sstevel@tonic-gate (ndi_merge_node(dip, rootnex_name_child) == DDI_SUCCESS)) { 413*0Sstevel@tonic-gate (void) rootnex_ctl_uninitchild(dip); 414*0Sstevel@tonic-gate return (DDI_FAILURE); 415*0Sstevel@tonic-gate } 416*0Sstevel@tonic-gate 417*0Sstevel@tonic-gate /* 418*0Sstevel@tonic-gate * If there are no "reg"s in the child node, return. 419*0Sstevel@tonic-gate */ 420*0Sstevel@tonic-gate pd = init_regspec_64(dip); 421*0Sstevel@tonic-gate if ((pd == NULL) || (pd->par_nreg == 0)) 422*0Sstevel@tonic-gate return (DDI_SUCCESS); 423*0Sstevel@tonic-gate 424*0Sstevel@tonic-gate /* 425*0Sstevel@tonic-gate * If this is a slave device sitting on the UPA, we assume that 426*0Sstevel@tonic-gate * This device can accept DMA accesses from other devices. We need 427*0Sstevel@tonic-gate * to register this fact with the system by using the highest 428*0Sstevel@tonic-gate * and lowest physical pfns of the devices register space. This 429*0Sstevel@tonic-gate * will then represent a physical block of addresses that are valid 430*0Sstevel@tonic-gate * for DMA accesses. 431*0Sstevel@tonic-gate */ 432*0Sstevel@tonic-gate if ((ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "upa-portid", 433*0Sstevel@tonic-gate -1) != -1) && ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 434*0Sstevel@tonic-gate "upa-interrupt-slave", 0)) { 435*0Sstevel@tonic-gate pfn_t lopfn = (pfn_t)-1; 436*0Sstevel@tonic-gate pfn_t hipfn = 0; 437*0Sstevel@tonic-gate int i; 438*0Sstevel@tonic-gate extern void pf_set_dmacapable(pfn_t, pfn_t); 439*0Sstevel@tonic-gate 440*0Sstevel@tonic-gate /* Scan the devices highest and lowest physical pfns */ 441*0Sstevel@tonic-gate for (i = 0, rp = pd->par_reg; i < pd->par_nreg; i++, rp++) { 442*0Sstevel@tonic-gate uint64_t addr; 443*0Sstevel@tonic-gate pfn_t tmphipfn, tmplopfn; 444*0Sstevel@tonic-gate 445*0Sstevel@tonic-gate addr = (unsigned long long)((unsigned long long) 446*0Sstevel@tonic-gate rp->regspec_bustype << 32); 447*0Sstevel@tonic-gate addr |= (uint64_t)rp->regspec_addr; 448*0Sstevel@tonic-gate tmplopfn = (pfn_t)(addr >> MMU_PAGESHIFT); 449*0Sstevel@tonic-gate addr += (uint64_t)(rp->regspec_size - 1); 450*0Sstevel@tonic-gate tmphipfn = (pfn_t)(addr >> MMU_PAGESHIFT); 451*0Sstevel@tonic-gate 452*0Sstevel@tonic-gate hipfn = (tmphipfn > hipfn) ? tmphipfn : hipfn; 453*0Sstevel@tonic-gate lopfn = (tmplopfn < lopfn) ? tmplopfn : lopfn; 454*0Sstevel@tonic-gate } 455*0Sstevel@tonic-gate pf_set_dmacapable(hipfn, lopfn); 456*0Sstevel@tonic-gate } 457*0Sstevel@tonic-gate 458*0Sstevel@tonic-gate return (DDI_SUCCESS); 459*0Sstevel@tonic-gate } 460*0Sstevel@tonic-gate 461*0Sstevel@tonic-gate void 462*0Sstevel@tonic-gate rootnex_ctl_uninitchild_impl(dev_info_t *dip) 463*0Sstevel@tonic-gate { 464*0Sstevel@tonic-gate if ((ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "upa-portid", 465*0Sstevel@tonic-gate -1) != -1) && (ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 466*0Sstevel@tonic-gate "upa-interrupt-slave", 0))) { 467*0Sstevel@tonic-gate struct regspec *rp; 468*0Sstevel@tonic-gate extern void pf_unset_dmacapable(pfn_t); 469*0Sstevel@tonic-gate unsigned long long addr; 470*0Sstevel@tonic-gate pfn_t pfn; 471*0Sstevel@tonic-gate struct ddi_parent_private_data *pd; 472*0Sstevel@tonic-gate 473*0Sstevel@tonic-gate pd = ddi_get_parent_data(dip); 474*0Sstevel@tonic-gate ASSERT(pd != NULL); 475*0Sstevel@tonic-gate rp = pd->par_reg; 476*0Sstevel@tonic-gate addr = (unsigned long long) ((unsigned long long) 477*0Sstevel@tonic-gate rp->regspec_bustype << 32); 478*0Sstevel@tonic-gate addr |= (unsigned long long) rp->regspec_addr; 479*0Sstevel@tonic-gate pfn = (pfn_t)(addr >> MMU_PAGESHIFT); 480*0Sstevel@tonic-gate 481*0Sstevel@tonic-gate pf_unset_dmacapable(pfn); 482*0Sstevel@tonic-gate } 483*0Sstevel@tonic-gate } 484