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loongson_bus_mem.c revision 1.1 
      1 /*	$NetBSD: loongson_bus_mem.c,v 1.1 2011/08/27 13:42:45 bouyer Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 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 /*
     33  * Platform-specific PCI bus memory support for the Gdium Liberty 1000.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: loongson_bus_mem.c,v 1.1 2011/08/27 13:42:45 bouyer Exp $");
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/malloc.h>
     42 #include <sys/syslog.h>
     43 #include <sys/device.h>
     44 
     45 #include <uvm/uvm_extern.h>
     46 
     47 #include <machine/locore.h>
     48 
     49 #include <mips/bonito/bonitoreg.h>
     50 
     51 #include <sys/bus.h>
     52 
     53 #include <evbmips/loongson/loongson_bus_defs.h>
     54 
     55 #define	CHIP			bonito
     56 #define	CHIP_MEM		/* defined */
     57 
     58 #define	CHIP_EX_MALLOC_SAFE(v)	(ex_mallocsafe)
     59 #define	CHIP_MEM_EXTENT(v)	(loongson_mem_ex)
     60 
     61 /*
     62  * There are actually 3 PCILO memory windows, but PMON configures them
     63  * so that they map PCI memory space contiguously.
     64  */
     65 
     66 /* MEM region 1 */
     67 #define	CHIP_W1_BUS_START(v)	0x00000000UL
     68 #define	CHIP_W1_BUS_END(v)	0x0bffffffUL
     69 #define	CHIP_W1_SYS_START(v)	((u_long)BONITO_PCILO_BASE)
     70 #define	CHIP_W1_SYS_END(v)	((u_long)BONITO_PCILO_BASE + 0x0bffffffUL)
     71 
     72 #ifdef _LP64 /* XXX per-cpu type ! */
     73 /* MEM region 2 */
     74 #define	CHIP_W2_BUS_START(v)	0x20000000UL
     75 #define	CHIP_W2_BUS_END(v)	0x7fffffffUL
     76 #if 1
     77 #define	CHIP_W2_SYS_START(v)	((u_long)BONITO_PCIHI_BASE)
     78 #define	CHIP_W2_SYS_END(v)	((u_long)BONITO_PCIHI_BASE + 0xe0000000UL)
     79 #else
     80 #define	CHIP_W2_SYS_START(v)	((u_long)0)
     81 #define	CHIP_W2_SYS_END(v)	((u_long)BONITO_PCIHI_BASE + 0xe0000000UL)
     82 #endif
     83 #endif
     84 
     85 #include <mips/mips/bus_space_alignstride_chipdep.c>
     86