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rbus_machdep.c revision 1.9 
      1 /*	$NetBSD: rbus_machdep.c,v 1.9 2012/04/09 14:44:01 kiyohara 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 #include <sys/extent.h>
     34 #include <sys/bus.h>
     35 
     36 
     37 #include <uvm/uvm_extern.h>
     38 
     39 #include <dev/pci/pcivar.h>
     40 #include <dev/pci/pcidevs.h>
     41 #include <dev/cardbus/rbus.h>
     42 
     43 #include <uvm/uvm_extern.h>
     44 
     45 #include "opt_pci.h"
     46 
     47 #ifndef PCI_NETBSD_CONFIGURE
     48 #error requird macro PCI_NETBSD_CONFIGURE
     49 #endif
     50 
     51 #ifdef RBUS_DEBUG
     52 # define DPRINTF printf
     53 #else
     54 # define DPRINTF while (0) printf
     55 #endif
     56 
     57 int
     58 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp)
     59 {
     60 	DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size);
     61 
     62 	return bus_space_map(t, bpa, size, flags, bshp);
     63 }
     64 
     65 void
     66 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp)
     67 {
     68 	paddr_t pa;
     69 
     70 	DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh);
     71 
     72 	if (adrp != NULL) {
     73         	pmap_extract(pmap_kernel(), bsh, &pa);
     74 		*adrp = pa - t->pbs_offset;
     75 	}
     76 	bus_space_unmap(t, bsh, size);
     77 }
     78 
     79 rbus_tag_t
     80 rbus_pccbb_parent_mem(struct pci_attach_args *pa)
     81 {
     82 	bus_space_tag_t bst = pa->pa_memt;
     83 
     84 	return rbus_new_root_delegate(bst, bst->pbs_base,
     85 	    bst->pbs_limit - bst->pbs_base, 0);
     86 }
     87 
     88 rbus_tag_t
     89 rbus_pccbb_parent_io(struct pci_attach_args *pa)
     90 {
     91 	bus_space_tag_t bst = pa->pa_iot;
     92 
     93 	return rbus_new_root_delegate(bst, bst->pbs_base,
     94 	    bst->pbs_limit - bst->pbs_base, 0);
     95 }
     96