1 /* $NetBSD: rbus_machdep.c,v 1.6 2011/01/18 01:08:55 matt 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 <uvm/uvm_extern.h> 45 46 #include "opt_pci.h" 47 48 #ifndef PCI_NETBSD_CONFIGURE 49 #error requird macro PCI_NETBSD_CONFIGURE 50 #endif 51 52 #ifdef RBUS_DEBUG 53 # define DPRINTF printf 54 #else 55 # define DPRINTF while (0) printf 56 #endif 57 58 int 59 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp) 60 { 61 DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size); 62 63 return bus_space_map(t, bpa, size, flags, bshp); 64 } 65 66 void 67 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp) 68 { 69 paddr_t pa; 70 71 DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh); 72 73 if (adrp != NULL) { 74 pmap_extract(pmap_kernel(), bsh, &pa); 75 *adrp = pa - t->pbs_offset; 76 } 77 bus_space_unmap(t, bsh, size); 78 } 79 80 rbus_tag_t 81 rbus_pccbb_parent_mem(struct pci_attach_args *pa) 82 { 83 bus_addr_t start; 84 bus_size_t size; 85 pci_chipset_tag_t pc = pa->pa_pc; 86 struct extent *ex = pc->memext; 87 88 start = ex->ex_start; 89 size = ex->ex_end - start; 90 91 return rbus_new_root_share(pa->pa_memt, ex, start, size, 0); 92 } 93 94 rbus_tag_t 95 rbus_pccbb_parent_io(struct pci_attach_args *pa) 96 { 97 bus_addr_t start; 98 bus_size_t size; 99 pci_chipset_tag_t pc = pa->pa_pc; 100 struct extent *ex = pc->ioext; 101 102 start = ex->ex_start; 103 size = ex->ex_end - start; 104 105 return rbus_new_root_share(pa->pa_iot, ex, start, size, 0); 106 } 107