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ixp425.c revision 1.3 
      1 /*	$NetBSD: ixp425.c,v 1.3 2003/05/24 01:59:32 ichiro Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2003
      5  *	Ichiro FUKUHARA <ichiro (at) ichiro.org>.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Ichiro FUKUHARA.
     19  * 4. The name of the company nor the name of the author may be used to
     20  *    endorse or promote products derived from this software without specific
     21  *    prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
     27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: ixp425.c,v 1.3 2003/05/24 01:59:32 ichiro Exp $");
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 #include <uvm/uvm.h>
     43 
     44 #include <machine/bus.h>
     45 
     46 #include <arm/xscale/ixp425reg.h>
     47 #include <arm/xscale/ixp425var.h>
     48 
     49 #include <evbarm/ixdp425/ixdp425reg.h>
     50 
     51 static struct ixp425_softc *ixp425_softc;
     52 
     53 void
     54 ixp425_attach(struct ixp425_softc *sc)
     55 {
     56 	ixp425_softc = sc;
     57 
     58 	printf("\n");
     59 }
     60 
     61 /*
     62  * IXP425 specific I/O registers mapping table
     63  */
     64 static struct pmap_ent	map_tbl_ixp425[] = {
     65 	{ "IXP425 Peripheral Registers",
     66 	  IXP425_IO_VBASE, IXP425_IO_HWBASE,
     67 	  IXP425_IO_SIZE,
     68 	  VM_PROT_READ|VM_PROT_WRITE,
     69 	  PTE_NOCACHE, },
     70 	{ "IXP425 Expansion bus Registers",
     71 	  IXP425_EXP_VBASE, IXP425_EXP_HWBASE,
     72 	  IXP425_EXP_SIZE,
     73 	  VM_PROT_READ|VM_PROT_WRITE,
     74 	  PTE_NOCACHE, },
     75 	{ "IXP425 PCI Configuration Registers",
     76 	  IXP425_PCI_VBASE, IXP425_PCI_HWBASE,
     77 	  IXP425_PCI_SIZE,
     78 	  VM_PROT_READ|VM_PROT_WRITE,
     79 	  PTE_NOCACHE, },
     80 
     81 	{ NULL, 0, 0, 0, 0, 0 },
     82 };
     83 
     84 /*
     85  * mapping virtual memories
     86  */
     87 void
     88 ixp425_pmap_chunk_table(vaddr_t l1pt, struct pmap_ent* m)
     89 {
     90 	int loop;
     91 
     92 	loop = 0;
     93 	while (m[loop].msg) {
     94 #ifdef DEBUG
     95 		printf("mapping 0x%lx(0x%05lx) -> 0x%lx %s...\n",
     96 			m[loop].pa, m[loop].sz, m[loop].va, m[loop].msg);
     97 #endif
     98 		pmap_map_chunk(l1pt, m[loop].va, m[loop].pa,
     99 			       m[loop].sz, m[loop].prot, m[loop].cache);
    100 		++loop;
    101 	}
    102 }
    103 
    104 /*
    105  * mapping I/O registers
    106  */
    107 void
    108 ixp425_pmap_io_reg(vaddr_t l1pt)
    109 {
    110 	ixp425_pmap_chunk_table(l1pt, map_tbl_ixp425);
    111 }
    112