NetBSD/sys/arch/atari/pci/pci_milan.c

111 lines
3.1 KiB
C

/* $NetBSD: pci_milan.c,v 1.1 2001/05/15 14:14:49 leo Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Leo Weppelman.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <machine/bswap.h>
int
pci_bus_maxdevs(pc, busno)
pci_chipset_tag_t pc;
int busno;
{
return (6);
}
/*
* These are defined in locore.s:
*/
pcireg_t milan_pci_confread(pcitag_t);
void milan_pci_confwrite(u_long, pcireg_t);
u_long plx_status;
pcireg_t
pci_conf_read(pc, tag, reg)
pci_chipset_tag_t pc;
pcitag_t tag;
int reg;
{
u_long data;
data = bswap32(milan_pci_confread(tag | reg));
if ((plx_status) & 0xf9000000) {
/*
* Access error, assume nothing there...
*/
data = 0xffffffff;
}
return(data);
}
void
pci_conf_write(pc, tag, reg, data)
pci_chipset_tag_t pc;
pcitag_t tag;
int reg;
pcireg_t data;
{
milan_pci_confwrite(tag | reg, bswap32(data));
}
void *
pci_intr_establish(pc, ih, level, ih_fun, ih_arg)
pci_chipset_tag_t pc;
pci_intr_handle_t ih;
int level;
int (*ih_fun) __P((void *));
void *ih_arg;
{
printf("pci_intr_establish: Not yet implemented\n");
return NULL;
}
void
pci_intr_disestablish(pc, cookie)
pci_chipset_tag_t pc;
void *cookie;
{
}