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      1 /*	$NetBSD: algor_p4032_bus_mem.c,v 1.6 2011/07/08 18:48:55 matt 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 Algorithmics P-4032.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: algor_p4032_bus_mem.c,v 1.6 2011/07/08 18:48:55 matt 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 <mips/locore.h>
     48 
     49 #include <algor/algor/algor_p4032reg.h>
     50 #include <algor/algor/algor_p4032var.h>
     51 
     52 #include <algor/pci/vtpbcvar.h>
     53 
     54 #define	CHIP			algor_p4032
     55 
     56 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct p4032_config *)(v))->ac_mallocsafe)
     57 #define	CHIP_EXTENT(v)		(((struct p4032_config *)(v))->ac_mem_ex)
     58 #define CHIP_MEM
     59 
     60 /* MEM region 1 */
     61 #define	CHIP_W1_BUS_START(v)	\
     62 	(vtpbc_configuration.vt_pci_membase + 0x00000000UL)
     63 #define	CHIP_W1_BUS_END(v)	\
     64 	(vtpbc_configuration.vt_pci_membase + 0x007fffffUL)
     65 #define	CHIP_W1_SYS_START(v)	P4032_ISAMEM
     66 #define	CHIP_W1_SYS_END(v)	(P4032_ISAMEM + CHIP_W1_BUS_END(v))
     67 
     68 /* MEM region 2 */
     69 #define	CHIP_W2_BUS_START(v)	\
     70 	(vtpbc_configuration.vt_pci_membase + 0x01000000UL)
     71 #define	CHIP_W2_BUS_END(v)	\
     72 	(vtpbc_configuration.vt_pci_membase + 0x07ffffffUL)
     73 #define	CHIP_W2_SYS_START(v)	P4032_PCIMEM
     74 #define	CHIP_W2_SYS_END(v)	(P4032_PCIMEM + 0x06ffffffUL)
     75 
     76 #if 0 /* XXX Should implement access to this via TLB or 64-bit KSEG */
     77 /* MEM region 3 */
     78 #define	CHIP_W3_BUS_START(v)	0x20000000UL
     79 #define	CHIP_W3_BUS_END(v)	0xffffffffUL
     80 #define	CHIP_W3_SYS_START(v)	P4032_PCIMEM_HI
     81 #define	CHIP_W3_SYS_END(v)	(P4032_PCIMEM_HI + 0xe0000000UL)
     82 #endif
     83 
     84 #include <mips/mips/bus_space_alignstride_chipdep.c>
     85