66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*-
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* Copyright (c) 2001 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <machine/pci_cfgreg.h>
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#include <machine/sal.h>
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#define SAL_PCI_ADDRESS(bus, slot, func, reg) \
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(((bus) << 23) | ((slot) << 11) | ((func) << 8) | (reg))
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int
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pci_cfgregopen(void)
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{
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return 1;
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}
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u_int32_t
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pci_cfgregread(int bus, int slot, int func, int reg, int bytes)
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{
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struct ia64_sal_result res;
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res = ia64_sal_entry(SAL_PCI_CONFIG_READ,
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SAL_PCI_ADDRESS(bus, slot, func, reg),
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bytes, 0, 0, 0, 0, 0);
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if (res.sal_status < 0)
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return (~0);
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else
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return (res.sal_result[0]);
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}
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void
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pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes)
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{
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struct ia64_sal_result res;
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res = ia64_sal_entry(SAL_PCI_CONFIG_WRITE,
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SAL_PCI_ADDRESS(bus, slot, func, reg),
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bytes, data, 0, 0, 0, 0);
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}
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