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      1 /* $NetBSD: irongatevar.h,v 1.8 2023/12/04 00:32:10 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/vmem.h>
     33 
     34 #include <dev/isa/isavar.h>
     35 #include <dev/pci/pcivar.h>
     36 
     37 /*
     38  * AMD 751 chipset's configuration.
     39  *
     40  * All of the information that the chipset-specific functions need to
     41  * do their dirty work (and more!).
     42  */
     43 struct irongate_config {
     44 	int	ic_initted;
     45 
     46 	struct alpha_bus_space ic_iot, ic_memt;
     47 	struct alpha_pci_chipset ic_pc;
     48 
     49 	struct alpha_bus_dma_tag ic_dmat_pci;
     50 	struct alpha_bus_dma_tag ic_dmat_isa;
     51 
     52 	uint32_t ic_rev;
     53 
     54 	vmem_t *ic_io_arena;
     55 	vmem_t *ic_mem_arena;
     56 };
     57 
     58 struct irongate_softc {
     59 	device_t sc_dev;
     60 
     61 	struct	irongate_config *sc_icp;
     62 };
     63 
     64 void	irongate_page_physload(unsigned long, unsigned long);
     65 void	irongate_init(struct irongate_config *);
     66 void	irongate_pci_init(pci_chipset_tag_t, void *);
     67 void	irongate_dma_init(struct irongate_config *);
     68 
     69 void	irongate_bus_io_init(bus_space_tag_t, void *);
     70 void	irongate_bus_mem_init(bus_space_tag_t, void *);
     71 
     72 void	irongate_bus_mem_init2(bus_space_tag_t, void *);
     73 
     74 pcireg_t irongate_conf_read0(void *, pcitag_t, int);
     75