1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <sys/types.h> 26 #include <sys/ddi.h> 27 #include <sys/sunddi.h> 28 #include <sys/sunndi.h> 29 #include <sys/pcie_impl.h> 30 #include <sys/pcie_pwr.h> 31 32 void 33 pcie_init_plat(dev_info_t *dip) 34 { 35 pcie_bus_t *bus_p = PCIE_DIP2BUS(dip); 36 37 if (PCIE_IS_PCIE_BDG(bus_p)) { 38 bus_p->bus_pcie2pci_secbus = bus_p->bus_bdg_secbus; 39 } else { 40 dev_info_t *pdip; 41 42 for (pdip = ddi_get_parent(dip); pdip; 43 pdip = ddi_get_parent(pdip)) { 44 pcie_bus_t *parent_bus_p = PCIE_DIP2BUS(pdip); 45 46 if (parent_bus_p->bus_pcie2pci_secbus) { 47 bus_p->bus_pcie2pci_secbus = 48 parent_bus_p->bus_pcie2pci_secbus; 49 break; 50 } 51 if (PCIE_IS_ROOT(parent_bus_p)) 52 break; 53 } 54 } 55 } 56 57 void 58 pcie_fini_plat(dev_info_t *dip) 59 { 60 pcie_bus_t *bus_p = PCIE_DIP2BUS(dip); 61 62 if (PCIE_IS_PCIE_BDG(bus_p)) 63 bus_p->bus_pcie2pci_secbus = 0; 64 } 65 66 int 67 pcie_plat_pwr_setup(dev_info_t *dip) 68 { 69 if (ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP, 70 "pm-want-child-notification?", NULL, 0) != DDI_PROP_SUCCESS) { 71 PCIE_DBG("%s(%d): can't create pm-want-child-notification \n", 72 ddi_driver_name(dip), ddi_get_instance(dip)); 73 return (DDI_FAILURE); 74 } 75 return (DDI_SUCCESS); 76 } 77 78 /* 79 * Undo whatever is done in pcie_plat_pwr_common_setup 80 */ 81 void 82 pcie_plat_pwr_teardown(dev_info_t *dip) 83 { 84 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, 85 "pm-want-child-notification?"); 86 } 87