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      1 /* 	$NetBSD: virtex.h,v 1.2 2007/10/17 19:54:20 garbled Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Jachym Holecek
      5  * All rights reserved.
      6  *
      7  * Written for DFC Design, s.r.o.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  *
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  *
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _VIRTEX_H_
     33 #define	_VIRTEX_H_
     34 
     35 #ifdef _KERNEL_OPT
     36 #include "opt_cons.h"
     37 #include "opt_kgdb.h"
     38 #endif
     39 
     40 /*
     41  * Console and kgdb name are just private tags for design_<foo>.c
     42  * to identify the right device instance. Should be the same as
     43  * device_xname() if there's only one UART available, though.
     44  */
     45 
     46 #ifndef CONS_NAME
     47 #define CONS_NAME 	"xlcom0"
     48 #endif
     49 
     50 #ifndef CONS_ADDR
     51 #define CONS_ADDR 	0x00
     52 #endif
     53 
     54 #if defined(KGDB)
     55 
     56 #ifndef KGDB_NAME
     57 #define	KGDB_NAME 	CONS_NAME
     58 #endif
     59 
     60 #ifndef KGDB_ADDR
     61 #define	KGDB_ADDR 	CONS_ADDR
     62 #endif
     63 
     64 #endif /* KGDB */
     65 
     66 struct mem_region;
     67 
     68 /* Early bus space setup, for console and kgdb. Name is purely symbolic. */
     69 int 	virtex_bus_space_tag(const char *, bus_space_tag_t *);
     70 
     71 /* Called after RAM is linear mapped. Translation & console still off. */
     72 void 	virtex_machdep_init(vaddr_t, vsize_t, struct mem_region *,
     73 	    struct mem_region *);
     74 
     75 /* For use by console and kgdb. Tag is initialized before <foo>_cninit. */
     76 extern bus_space_tag_t 		consdev_iot; 	/* consinit.c */
     77 extern bus_space_handle_t 	consdev_ioh; 	/* console device */
     78 
     79 #if defined(KGDB)
     80 
     81 extern bus_space_tag_t 		kgdb_iot; 	/* consinit.c */
     82 extern bus_space_handle_t 	kgdb_ioh; 	/* kgdb device */
     83 
     84 #endif /* KGDB */
     85 
     86 #endif /*_VIRTEX_H_*/
     87