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ixp425.c revision 1.4 
      1 /*	$NetBSD: ixp425.c,v 1.4 2003/07/02 11:02:28 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 1.4 2003/07/02 11:02:28 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 int		ixp425_pcibus_print(void *, const char *);
     52 static struct	ixp425_softc *ixp425_softc;
     53 
     54 void
     55 ixp425_attach(struct ixp425_softc *sc)
     56 {
     57 	ixp425_softc = sc;
     58 
     59 	printf("\n");
     60 
     61 #if 0
     62 	/*
     63 	 * PCI bus reset
     64 	 */
     65 	/* disable PCI command */
     66 
     67 	/* XXX assert PCI reset Mode */
     68 
     69 	/* We setup a 1:1 memory map of bus<->physical addresses */
     70 
     71 	/*
     72 	 * Enable bus mastering and I/O,memory access
     73 	 */
     74 
     75 
     76 	/*
     77 	 * Initialize the bus space and DMA tags and the PCI chipset tag.
     78 	 */
     79 	ixp425_io_bs_init(&sc->ia_pci_iot, sc);
     80 	ixp425_mem_bs_init(&sc->ia_pci_memt, sc);
     81 	ixp425_pci_init(&sc->ia_pci_chipset, sc);
     82 
     83 	/*
     84 	 * Initialize the DMA tags.
     85 	 */
     86 	ixp425_pci_dma_init(sc);
     87 
     88 	/*
     89 	 * Attach the PCI bus.
     90 	 */
     91 	pba.pba_busname = "pci";
     92 	pba.pba_pc = &sc->ia_pci_chipset;
     93 	pba.pba_iot = &sc->ia_pci_iot;
     94 	pba.pba_memt = &sc->ia_pci_memt;
     95 	pba.pba_dmat = &sc->ia_pci_dmat;
     96 	pba.pba_bus = 0;	/* bus number = 0 */
     97 	pba.pba_intrswiz = 0;	/* XXX */
     98 	pba.pba_intrtag = 0;
     99 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
    100 			PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY |
    101 			PCI_FLAGS_MWI_OKAY;
    102 	(void) config_found(&sc->sc_dev, &pba, ixp425_pcibus_print);
    103 #endif
    104 }
    105 
    106 int
    107 ixp425_pcibus_print(void *aux, const char *pnp)
    108 {
    109 	struct pcibus_attach_args *pba = aux;
    110 
    111 	if (pnp)
    112 		aprint_normal("%s at %s", pba->pba_busname, pnp);
    113 
    114 	aprint_normal(" bus %d", pba->pba_bus);
    115 
    116 	return (UNCONF);
    117 }
    118