1 /*- 2 * Copyright (c) 2015 The FreeBSD Foundation 3 * 4 * This software was developed by Semihalf under 5 * the sponsorship of the FreeBSD Foundation. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/kernel.h> 32 33 #include <machine/pci_cfgreg.h> 34 35 /* 36 * This file contains stubs for ACPI PCI functions 37 */ 38 39 /* 40 * Read configuration space register 41 */ 42 uint32_t 43 pci_cfgregread(int domain, int bus, int slot, int func, int reg, int bytes) 44 { 45 46 /* ARM64TODO */ 47 panic("pci_cfgregread not implemented"); 48 return (0); 49 } 50 51 /* 52 * Write configuration space register 53 */ 54 void 55 pci_cfgregwrite(int domain, int bus, int slot, int func, int reg, uint32_t data, 56 int bytes) 57 { 58 59 /* ARM64TODO */ 60 panic("pci_cfgregwrite not implemented"); 61 } 62 63 /* 64 * Initialize access to configuration space 65 */ 66 int 67 pci_cfgregopen(void) 68 { 69 70 /* ARM64TODO */ 71 panic("pci_cfgregopen not implemented"); 72 return (0); 73 } 74