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      1 /*	$NetBSD: ixp425.c,v 1.18 2021/08/07 16:18:46 thorpej 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  *
     17  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
     21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 
     30 #include "pci.h"
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: ixp425.c,v 1.18 2021/08/07 16:18:46 thorpej Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/device.h>
     38 #include <uvm/uvm.h>
     39 
     40 #include <sys/bus.h>
     41 
     42 #include <arm/xscale/ixp425reg.h>
     43 #include <arm/xscale/ixp425var.h>
     44 
     45 struct	ixp425_softc *ixp425_softc;
     46 
     47 void
     48 ixp425_attach(device_t self)
     49 {
     50 	struct ixp425_softc *sc = device_private(self);
     51 #if NPCI > 0
     52 	struct pcibus_attach_args pba;
     53 #endif
     54 
     55 	sc->sc_dev = self;
     56 	sc->sc_iot = &ixp425_bs_tag;
     57 
     58 	ixp425_softc = sc;
     59 
     60 	printf("\n");
     61 
     62 	/*
     63 	 * Mapping for GPIO Registers
     64 	 */
     65 	if (bus_space_map(sc->sc_iot, IXP425_GPIO_HWBASE, IXP425_GPIO_SIZE,
     66 			  0, &sc->sc_gpio_ioh))
     67 		panic("%s: unable to map GPIO registers", device_xname(self));
     68 
     69 	if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
     70 			  0, &sc->sc_exp_ioh))
     71 		panic("%s: unable to map Expansion Bus registers",
     72 		    device_xname(self));
     73 
     74 #if NPCI > 0
     75 	/*
     76 	 * Mapping for PCI CSR
     77 	 */
     78 	if (bus_space_map(sc->sc_iot, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
     79 			  0, &sc->sc_pci_ioh))
     80 		panic("%s: unable to map PCI registers", device_xname(self));
     81 
     82 	/*
     83 	 * Invoke the board-specific PCI initialization code
     84 	 */
     85 	ixp425_md_pci_init(sc);
     86 
     87 	/*
     88 	 * Generic initialization of the PCI chipset.
     89 	 */
     90 	ixp425_pci_init(sc);
     91 
     92 	/*
     93 	 * Initialize the DMA tags.
     94 	 */
     95 	ixp425_pci_dma_init(sc);
     96 
     97 	/*
     98 	 * Attach the PCI bus.
     99 	 */
    100 	pba.pba_pc = &sc->ia_pci_chipset;
    101 	pba.pba_iot = &sc->sc_pci_iot;
    102 	pba.pba_memt = &sc->sc_pci_memt;
    103 	pba.pba_dmat = &sc->ia_pci_dmat;
    104 	pba.pba_bus = 0;	/* bus number = 0 */
    105 	pba.pba_bridgetag = NULL;
    106 	pba.pba_intrswiz = 0;	/* XXX */
    107 	pba.pba_intrtag = 0;
    108 	pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY |
    109 			PCI_FLAGS_MRL_OKAY   | PCI_FLAGS_MRM_OKAY |
    110 			PCI_FLAGS_MWI_OKAY;
    111 	config_found(self, &pba, pcibusprint,
    112 	    CFARGS(.iattr = "pcibus"));
    113 #endif
    114 }
    115