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rbus_machdep.c revision 1.1 
      1 /*	$NetBSD: rbus_machdep.c,v 1.1 2005/09/04 07:24:57 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 
     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(t, bpa, size, flags, bshp)
     58 	bus_space_tag_t t;
     59 	bus_addr_t bpa;
     60 	bus_size_t size;
     61 	int flags;
     62 	bus_space_handle_t *bshp;
     63 {
     64 	DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size);
     65 
     66 	return bus_space_map(t, bpa, size, flags, bshp);
     67 }
     68 
     69 void
     70 md_space_unmap(t, bsh, size, adrp)
     71 	bus_space_tag_t t;
     72 	bus_space_handle_t bsh;
     73 	bus_size_t size;
     74 	bus_addr_t *adrp;
     75 {
     76 	paddr_t pa;
     77 
     78 	DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh);
     79 
     80 	if (adrp != NULL) {
     81         	pmap_extract(pmap_kernel(), bsh, &pa);
     82 		*adrp = pa - t->pbs_offset;
     83 	}
     84 	bus_space_unmap(t, bsh, size);
     85 }
     86 
     87 rbus_tag_t
     88 rbus_pccbb_parent_mem(pa)
     89 	struct pci_attach_args *pa;
     90 {
     91 	bus_addr_t start;
     92 	bus_size_t size;
     93 	pci_chipset_tag_t pc = pa->pa_pc;
     94 	struct extent *ex = pc->memext;
     95 
     96 	start = ex->ex_start;
     97 	size = ex->ex_end - start;
     98 
     99 	return rbus_new_root_share(pa->pa_memt, ex, start, size, 0);
    100 }
    101 
    102 rbus_tag_t
    103 rbus_pccbb_parent_io(pa)
    104 	struct pci_attach_args *pa;
    105 {
    106 	bus_addr_t start;
    107 	bus_size_t size;
    108 	pci_chipset_tag_t pc = pa->pa_pc;
    109 	struct extent *ex = pc->ioext;
    110 
    111 	start = ex->ex_start;
    112 	size = ex->ex_end - start;
    113 
    114 	return rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
    115 }
    116