1 /* $NetBSD: rbus_machdep.c,v 1.3 2009/03/14 15:36:06 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 2003 5 * KIYOHARA Takashi. All rights reserved. 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 ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 30 #include <sys/param.h> 31 #include <sys/device.h> 32 #include <sys/systm.h> 33 34 #include <sys/extent.h> 35 36 #include <uvm/uvm_extern.h> 37 38 #include <machine/bus.h> 39 40 #include <dev/pci/pcivar.h> 41 #include <dev/pci/pcidevs.h> 42 #include <dev/cardbus/rbus.h> 43 44 #include "opt_pci.h" 45 46 #ifndef PCI_NETBSD_CONFIGURE 47 #error requird macro PCI_NETBSD_CONFIGURE 48 #endif 49 50 #ifdef RBUS_DEBUG 51 # define DPRINTF printf 52 #else 53 # define DPRINTF while (0) printf 54 #endif 55 56 int 57 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp) 58 { 59 DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size); 60 61 return bus_space_map(t, bpa, size, flags, bshp); 62 } 63 64 void 65 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp) 66 { 67 paddr_t pa; 68 69 DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh); 70 71 if (adrp != NULL) { 72 pmap_extract(pmap_kernel(), bsh, &pa); 73 *adrp = pa - t->pbs_offset; 74 } 75 bus_space_unmap(t, bsh, size); 76 } 77 78 rbus_tag_t 79 rbus_pccbb_parent_mem(struct pci_attach_args *pa) 80 { 81 bus_addr_t start; 82 bus_size_t size; 83 pci_chipset_tag_t pc = pa->pa_pc; 84 struct extent *ex = pc->memext; 85 86 start = ex->ex_start; 87 size = ex->ex_end - start; 88 89 return rbus_new_root_share(pa->pa_memt, ex, start, size, 0); 90 } 91 92 rbus_tag_t 93 rbus_pccbb_parent_io(struct pci_attach_args *pa) 94 { 95 bus_addr_t start; 96 bus_size_t size; 97 pci_chipset_tag_t pc = pa->pa_pc; 98 struct extent *ex = pc->ioext; 99 100 start = ex->ex_start; 101 size = ex->ex_end - start; 102 103 return rbus_new_root_share(pa->pa_iot, ex, start, size, 0); 104 } 105