NetBSD/sys/arch/alpha/pci/lca_bus_mem.c
cgd fe6262c3c0 split the APECS and LCA bus memory and I/O functions. Most of them still do
the same things, but the extent maps have to be managed differently,
since the two chipsets provide different memory and I/O region mapping
possibilities.
1996-11-25 03:42:09 +00:00

74 lines
2.4 KiB
C

/* $NetBSD: lca_bus_mem.c,v 1.1 1996/11/25 03:42:15 cgd 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 <machine/bus.h>
#include <alpha/pci/lcareg.h>
#include <alpha/pci/lcavar.h>
#define CHIP lca
#define CHIP_EX_MALLOC_SAFE(v) (((struct lca_config *)(v))->lc_mallocsafe)
#define CHIP_D_MEM_EXTENT(v) (((struct lca_config *)(v))->lc_d_mem_ex)
#define CHIP_S_MEM_EXTENT(v) (((struct lca_config *)(v))->lc_s_mem_ex)
/* Dense region 1 */
#define CHIP_D_MEM_W1_BUS_START(v) 0x00000000UL
#define CHIP_D_MEM_W1_BUS_END(v) 0xffffffffUL
#define CHIP_D_MEM_W1_SYS_START(v) LCA_PCI_DENSE
#define CHIP_D_MEM_W1_SYS_END(v) (LCA_PCI_DENSE + 0xffffffffUL)
/* Sparse region 1 */
#define CHIP_S_MEM_W1_BUS_START(v) 0x00000000UL
#define CHIP_S_MEM_W1_BUS_END(v) 0x00ffffffUL
#define CHIP_S_MEM_W1_SYS_START(v) LCA_PCI_SPARSE
#define CHIP_S_MEM_W1_SYS_END(v) \
(LCA_PCI_SPARSE + (0x01000000UL << 5) - 1)
/* Sparse region 2 */
#define CHIP_S_MEM_W2_BUS_START(v) \
((((struct lca_config *)(v))->lc_s_mem_w2_masked_base) + \
0x01000000UL)
#define CHIP_S_MEM_W2_BUS_END(v) \
((((struct lca_config *)(v))->lc_s_mem_w2_masked_base) + \
0x07ffffffUL)
#define CHIP_S_MEM_W2_SYS_START(v) \
(LCA_PCI_SPARSE + (0x01000000UL << 5))
#define CHIP_S_MEM_W2_SYS_END(v) \
(LCA_PCI_SPARSE + (0x08000000UL << 5) - 1)
#include "pcs_bus_mem_common.c"