diff options
Diffstat (limited to 'sys/arch/alpha/pci/cia_bwx_bus_io.c')
| -rw-r--r-- | sys/arch/alpha/pci/cia_bwx_bus_io.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/arch/alpha/pci/cia_bwx_bus_io.c b/sys/arch/alpha/pci/cia_bwx_bus_io.c new file mode 100644 index 00000000000..b159c8f5982 --- /dev/null +++ b/sys/arch/alpha/pci/cia_bwx_bus_io.c @@ -0,0 +1,57 @@ +/* $NetBSD: cia_bwx_bus_io.c,v 1.3 2000/06/29 08:58:46 mrg Exp $ */ + +/* + * Copyright (c) 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/syslog.h> +#include <sys/device.h> + +#include <vm/vm.h> +#include <uvm/uvm_extern.h> + +#include <machine/bus.h> + +#include <alpha/pci/ciareg.h> +#include <alpha/pci/ciavar.h> + +#define CHIP cia_bwx + +#define CHIP_EX_MALLOC_SAFE(v) (((struct cia_config *)(v))->cc_mallocsafe) +#define CHIP_IO_EXTENT(v) (((struct cia_config *)(v))->cc_io_ex) + +#define CHIP_IO_SYS_START(v) CIA_EV56_BWIO + +/* + * CIA core logic with BWX enabled appears on EV56 and PCA56. We + * require at least EV56 support for the assembler to emit BWX opcodes. + */ +__asm(".arch ev56"); + +#include <alpha/pci/pci_bwx_bus_io_chipdep.c> |