Interrupt router drivers from UCHIYAMA Yasushi's PCI BIOS patches,
cleaned up and reworked a bit be me.
This commit is contained in:
parent
2026e5f71b
commit
d6d9fbe240
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@ -0,0 +1,248 @@
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/* $NetBSD: opti82c558.c,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* 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:
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||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
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||||
* 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.
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||||
*
|
||||
* 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
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1999, by UCHIYAMA Yasushi
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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
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
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||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* 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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/*
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* Support for the Opti 82c558 PCI-ISA bridge interrupt controller.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <i386/pci/pci_intr_fixup.h>
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#include <i386/pci/opti82c558reg.h>
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int opti82c558_getclink __P((pciintr_icu_handle_t, int, int *));
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int opti82c558_get_intr __P((pciintr_icu_handle_t, int, int *));
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int opti82c558_set_intr __P((pciintr_icu_handle_t, int, int));
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int opti82c558_get_trigger __P((pciintr_icu_handle_t, int, int *));
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int opti82c558_set_trigger __P((pciintr_icu_handle_t, int, int));
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const struct pciintr_icu opti82c558_pci_icu = {
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opti82c558_getclink,
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opti82c558_get_intr,
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opti82c558_set_intr,
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opti82c558_get_trigger,
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opti82c558_set_trigger,
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};
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struct opti82c558_handle {
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pci_chipset_tag_t ph_pc;
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pcitag_t ph_tag;
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};
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static const int viper_pirq_decode[] = {
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-1, 5, 9, 10, 11, 12, 14, 15
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};
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static const int viper_pirq_encode[] = {
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-1, /* 0 */
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-1, /* 1 */
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-1, /* 2 */
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-1, /* 3 */
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-1, /* 4 */
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VIPER_PIRQ_5, /* 5 */
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-1, /* 6 */
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-1, /* 7 */
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-1, /* 8 */
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VIPER_PIRQ_9, /* 9 */
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VIPER_PIRQ_10, /* 10 */
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VIPER_PIRQ_11, /* 11 */
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VIPER_PIRQ_12, /* 12 */
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-1, /* 13 */
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VIPER_PIRQ_14, /* 14 */
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VIPER_PIRQ_15, /* 15 */
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};
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int
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opti82c558_init(pc, iot, tag, ptagp, phandp)
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pci_chipset_tag_t pc;
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bus_space_tag_t iot;
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pcitag_t tag;
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pciintr_icu_tag_t *ptagp;
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pciintr_icu_handle_t *phandp;
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{
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struct opti82c558_handle *ph;
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ph = malloc(sizeof(*ph), M_DEVBUF, M_NOWAIT);
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if (ph == NULL)
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return (1);
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ph->ph_pc = pc;
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ph->ph_tag = tag;
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*ptagp = &opti82c558_pci_icu;
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*phandp = ph;
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return (0);
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}
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int
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opti82c558_getclink(v, link, clinkp)
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pciintr_icu_handle_t v;
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int link, *clinkp;
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{
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if (VIPER_LEGAL_LINK(link - 1)) {
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*clinkp = link - 1;
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return (0);
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}
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return (1);
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}
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int
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opti82c558_get_intr(v, clink, irqp)
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pciintr_icu_handle_t v;
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int clink, *irqp;
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{
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struct opti82c558_handle *ph = v;
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pcireg_t reg;
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int val;
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if (VIPER_LEGAL_LINK(clink) == 0)
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return (1);
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reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ);
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val = VIPER_PIRQ(reg, clink);
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*irqp = (val == VIPER_PIRQ_NONE) ? 0xff : viper_pirq_decode[val];
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return (0);
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}
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int
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opti82c558_set_intr(v, clink, irq)
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pciintr_icu_handle_t v;
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int clink, irq;
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{
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struct opti82c558_handle *ph = v;
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int shift;
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pcireg_t reg;
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if (VIPER_LEGAL_LINK(clink) == 0 || VIPER_LEGAL_IRQ(irq) == 0)
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return (1);
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reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ);
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shift = VIPER_PIRQ_SELECT_SHIFT * clink;
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reg &= ~(VIPER_PIRQ_SELECT_MASK << shift);
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reg |= (viper_pirq_encode[irq] << shift);
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pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg);
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return (0);
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}
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int
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opti82c558_get_trigger(v, irq, triggerp)
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pciintr_icu_handle_t v;
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int irq, *triggerp;
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{
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struct opti82c558_handle *ph = v;
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pcireg_t reg;
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if (VIPER_LEGAL_IRQ(irq) == 0) {
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/* ISA IRQ? */
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*triggerp = IST_EDGE;
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return (0);
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}
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reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ);
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if ((reg >> (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq])) & 1)
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*triggerp = IST_LEVEL;
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else
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*triggerp = IST_EDGE;
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return (0);
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}
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int
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opti82c558_set_trigger(v, irq, trigger)
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pciintr_icu_handle_t v;
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int irq, trigger;
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{
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struct opti82c558_handle *ph = v;
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int shift;
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pcireg_t reg;
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if (VIPER_LEGAL_IRQ(irq) == 0) {
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/* ISA IRQ? */
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return ((trigger != IST_LEVEL) ? 0 : 1);
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}
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reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ);
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shift = (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq]);
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if (trigger == IST_LEVEL)
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reg |= (1 << shift);
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else
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reg &= ~(1 << shift);
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pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg);
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return (0);
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}
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@ -0,0 +1,65 @@
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/* $NetBSD: opti82c558reg.h,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */
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/*
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* Copyright (c) 1999, by UCHIYAMA Yasushi
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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
|
||||
* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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
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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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/*
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* Register definitions for the Opti 82c558 PCI-ISA bridge interrupt
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* controller.
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*/
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/*
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* PCI IRQ Select Register
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*/
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#define VIPER_CFG_PIRQ 0x40 /* PCI configuration space */
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/*
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* Trigger setting:
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*
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* [1:7]=>5,9,10,11,12,14,15 Edge = 0 Level = 1
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*/
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#define VIPER_CFG_TRIGGER_SHIFT 16
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#define VIPER_LEGAL_LINK(link) ((link) >= 0 && (link) <= 3)
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#define VIPER_PIRQ_MASK 0xde20
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#define VIPER_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
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((1 << (irq)) & VIPER_PIRQ_MASK) != 0)
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#define VIPER_PIRQ_NONE 0
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#define VIPER_PIRQ_5 1
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#define VIPER_PIRQ_9 2
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#define VIPER_PIRQ_10 3
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#define VIPER_PIRQ_11 4
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#define VIPER_PIRQ_12 5
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#define VIPER_PIRQ_14 6
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#define VIPER_PIRQ_15 7
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#define VIPER_PIRQ_SELECT_MASK 0x07
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#define VIPER_PIRQ_SELECT_SHIFT 3
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#define VIPER_PIRQ(reg, x) (((reg) >> ((x) * VIPER_PIRQ_SELECT_SHIFT)) \
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& VIPER_PIRQ_SELECT_MASK)
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@ -0,0 +1,290 @@
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/* $NetBSD: opti82c700.c,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
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* NASA Ames Research Center.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Support for the Opti 82c700 PCI-ISA bridge interrupt controller.
|
||||
*/
|
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|
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#include <sys/param.h>
|
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#include <sys/systm.h>
|
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#include <sys/device.h>
|
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#include <sys/malloc.h>
|
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|
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <i386/pci/pci_intr_fixup.h>
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#include <i386/pci/opti82c700reg.h>
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int opti82c700_getclink __P((pciintr_icu_handle_t, int, int *));
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int opti82c700_get_intr __P((pciintr_icu_handle_t, int, int *));
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int opti82c700_set_intr __P((pciintr_icu_handle_t, int, int));
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int opti82c700_get_trigger __P((pciintr_icu_handle_t, int, int *));
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int opti82c700_set_trigger __P((pciintr_icu_handle_t, int, int));
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const struct pciintr_icu opti82c700_pci_icu = {
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opti82c700_getclink,
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opti82c700_get_intr,
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opti82c700_set_intr,
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opti82c700_get_trigger,
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opti82c700_set_trigger,
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};
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|
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struct opti82c700_handle {
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pci_chipset_tag_t ph_pc;
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pcitag_t ph_tag;
|
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};
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int opti82c700_addr __P((int, int *, int *));
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int
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opti82c700_init(pc, iot, tag, ptagp, phandp)
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pci_chipset_tag_t pc;
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bus_space_tag_t iot;
|
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pcitag_t tag;
|
||||
pciintr_icu_tag_t *ptagp;
|
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pciintr_icu_handle_t *phandp;
|
||||
{
|
||||
struct opti82c700_handle *ph;
|
||||
|
||||
ph = malloc(sizeof(*ph), M_DEVBUF, M_NOWAIT);
|
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if (ph == NULL)
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return (1);
|
||||
|
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ph->ph_pc = pc;
|
||||
ph->ph_tag = tag;
|
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|
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*ptagp = &opti82c700_pci_icu;
|
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*phandp = ph;
|
||||
return (0);
|
||||
}
|
||||
|
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int
|
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opti82c700_addr(link, addrofs, ofs)
|
||||
int link, *addrofs, *ofs;
|
||||
{
|
||||
int regofs, src;
|
||||
|
||||
regofs = FIRESTAR_PIR_REGOFS(link);
|
||||
src = FIRESTAR_PIR_SELECTSRC(link);
|
||||
|
||||
switch (src) {
|
||||
case FIRESTAR_PIR_SELECT_NONE:
|
||||
return (1);
|
||||
|
||||
case FIRESTAR_PIR_SELECT_IRQ:
|
||||
if (regofs < 0 || regofs > 7)
|
||||
return (1);
|
||||
*addrofs = FIRESTAR_CFG_INTR_IRQ + (regofs >> 2);
|
||||
*ofs = (regofs & 3) << 3;
|
||||
break;
|
||||
|
||||
case FIRESTAR_PIR_SELECT_PIRQ:
|
||||
case FIRESTAR_PIR_SELECT_BRIDGE:
|
||||
if (regofs < 0 || regofs > 3)
|
||||
return (1);
|
||||
*addrofs = FIRESTAR_CFG_INTR_PIRQ;
|
||||
*ofs = regofs << 2;
|
||||
break;
|
||||
|
||||
default:
|
||||
return (1);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
opti82c700_getclink(v, link, clinkp)
|
||||
pciintr_icu_handle_t v;
|
||||
int link, *clinkp;
|
||||
{
|
||||
|
||||
if (FIRESTAR_LEGAL_LINK(link)) {
|
||||
*clinkp = link;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
opti82c700_get_intr(v, clink, irqp)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, *irqp;
|
||||
{
|
||||
struct opti82c700_handle *ph = v;
|
||||
pcireg_t reg;
|
||||
int val, addrofs, ofs;
|
||||
|
||||
if (FIRESTAR_LEGAL_LINK(clink) == 0)
|
||||
return (1);
|
||||
|
||||
if (opti82c700_addr(clink, &addrofs, &ofs))
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, addrofs);
|
||||
val = (reg >> ofs) & FIRESTAR_CFG_PIRQ_MASK;
|
||||
*irqp = (val == FIRESTAR_PIRQ_NONE) ? 0xff : val;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
opti82c700_set_intr(v, clink, irq)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, irq;
|
||||
{
|
||||
struct opti82c700_handle *ph = v;
|
||||
int addrofs, ofs;
|
||||
pcireg_t reg;
|
||||
|
||||
if (FIRESTAR_LEGAL_LINK(clink) == 0 || FIRESTAR_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
if (opti82c700_addr(clink, &addrofs, &ofs))
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, addrofs);
|
||||
reg &= ~(FIRESTAR_CFG_PIRQ_MASK << ofs);
|
||||
reg |= (irq << ofs);
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag, addrofs, reg);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
opti82c700_get_trigger(v, irq, triggerp)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, *triggerp;
|
||||
{
|
||||
struct opti82c700_handle *ph = v;
|
||||
int i, val, addrofs, ofs;
|
||||
pcireg_t reg;
|
||||
|
||||
if (FIRESTAR_LEGAL_IRQ(irq) == 0) {
|
||||
/* ISA IRQ? */
|
||||
*triggerp = IST_EDGE;
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Search PCIDV1 registers.
|
||||
*/
|
||||
for (i = 0; i < 8; i++) {
|
||||
opti82c700_addr(FIRESTAR_PIR_MAKELINK(FIRESTAR_PIR_SELECT_IRQ,
|
||||
i), &addrofs, &ofs);
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, addrofs);
|
||||
val = (reg >> ofs) & FIRESTAR_CFG_PIRQ_MASK;
|
||||
if (val != irq)
|
||||
continue;
|
||||
val = ((reg >> ofs) >> FIRESTAR_TRIGGER_SHIFT) &
|
||||
FIRESTAR_TRIGGER_MASK;
|
||||
*triggerp = val ? IST_LEVEL : IST_EDGE;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
opti82c700_set_trigger(v, irq, trigger)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, trigger;
|
||||
{
|
||||
struct opti82c700_handle *ph = v;
|
||||
int i, val, addrofs, ofs;
|
||||
pcireg_t reg;
|
||||
|
||||
if (FIRESTAR_LEGAL_IRQ(irq) == 0) {
|
||||
/* ISA IRQ? */
|
||||
return ((trigger != IST_LEVEL) ? 0 : 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Search PCIDV1 registers.
|
||||
*/
|
||||
for (i = 0; i < 8; i++) {
|
||||
opti82c700_addr(FIRESTAR_PIR_MAKELINK(FIRESTAR_PIR_SELECT_IRQ,
|
||||
i), &addrofs, &ofs);
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, addrofs);
|
||||
val = (reg >> ofs) & FIRESTAR_CFG_PIRQ_MASK;
|
||||
if (val != irq)
|
||||
continue;
|
||||
if (trigger == IST_LEVEL)
|
||||
reg |= (FIRESTAR_TRIGGER_MASK <<
|
||||
(FIRESTAR_TRIGGER_SHIFT + ofs));
|
||||
else
|
||||
reg &= ~(FIRESTAR_TRIGGER_MASK <<
|
||||
(FIRESTAR_TRIGGER_SHIFT + ofs));
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag, addrofs, reg);
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
|
@ -0,0 +1,71 @@
|
|||
/* $NetBSD: opti82c700reg.h,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Register definitions for the Opti 82c700 PCI-ISA bridge interrupt
|
||||
* controller.
|
||||
*/
|
||||
|
||||
#define FIRESTAR_CFG_INTR_IRQ 0xb0 /* PCI configuration space */
|
||||
#define FIRESTAR_CFG_INTR_PIRQ 0xb8 /* PCI configuration space */
|
||||
|
||||
#define FIRESTAR_PIRQ_NONE 0
|
||||
#define FIRESTAR_PIRQ_MIN FIRESTAR_CFG_INTR_IRQ
|
||||
#define FIRESTAR_PIRQ_MAX (FIRESTAR_CFG_INTR_PIRQ + 1)
|
||||
#define FIRESTAR_LEGAL_LINK(link) ((link) >= FIRESTAR_PIRQ_MIN && \
|
||||
(link) <= FIRESTAR_PIRQ_MAX)
|
||||
|
||||
#define FIRESTAR_PIRQ_MASK 0xdffa
|
||||
#define FIRESTAR_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
|
||||
((1 << (irq)) & FIRESTAR_PIRQ_MASK) != 0)
|
||||
|
||||
#define FIRESTAR_CFG_PIRQ_MASK 0x0f
|
||||
|
||||
#define FIRESTAR_TRIGGER_MASK 0x01
|
||||
#define FIRESTAR_TRIGGER_SHIFT 4
|
||||
|
||||
/*
|
||||
* Opti's suggested Link values.
|
||||
*/
|
||||
#define FIRESTAR_PIR_REGOFS_MASK 0x07
|
||||
#define FIRESTAR_PIR_REGOFS_SHIFT 4
|
||||
#define FIRESTAR_PIR_REGOFS(link) \
|
||||
(((link) >> FIRESTAR_PIR_REGOFS_SHIFT) & FIRESTAR_PIR_REGOFS_MASK)
|
||||
|
||||
#define FIRESTAR_PIR_SELECTSRC_MASK 0x07
|
||||
#define FIRESTAR_PIR_SELECTSRC_SHIFT 0
|
||||
#define FIRESTAR_PIR_SELECTSRC(link) \
|
||||
(((link) >> FIRESTAR_PIR_SELECTSRC_SHIFT) & FIRESTAR_PIR_SELECTSRC_MASK)
|
||||
|
||||
#define FIRESTAR_PIR_SELECT_NONE 0
|
||||
#define FIRESTAR_PIR_SELECT_IRQ 1
|
||||
#define FIRESTAR_PIR_SELECT_PIRQ 2
|
||||
#define FIRESTAR_PIR_SELECT_BRIDGE 3
|
||||
|
||||
#define FIRESTAR_PIR_MAKELINK(src, ofs) \
|
||||
(((src) << FIRESTAR_PIR_SELECTSRC_SHIFT) | \
|
||||
((ofs) << FIRESTAR_PIR_REGOFS_SHIFT))
|
|
@ -0,0 +1,237 @@
|
|||
/* $NetBSD: piix.c,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
||||
* NASA Ames Research Center.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Support for the Intel PIIX PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/malloc.h>
|
||||
|
||||
#include <machine/intr.h>
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/pci/pcivar.h>
|
||||
#include <dev/pci/pcireg.h>
|
||||
#include <dev/pci/pcidevs.h>
|
||||
|
||||
#include <i386/pci/pci_intr_fixup.h>
|
||||
#include <i386/pci/piixreg.h>
|
||||
#include <i386/pci/piixvar.h>
|
||||
|
||||
int piix_getclink __P((pciintr_icu_handle_t, int, int *));
|
||||
int piix_get_intr __P((pciintr_icu_handle_t, int, int *));
|
||||
int piix_set_intr __P((pciintr_icu_handle_t, int, int));
|
||||
|
||||
const struct pciintr_icu piix_pci_icu = {
|
||||
piix_getclink,
|
||||
piix_get_intr,
|
||||
piix_set_intr,
|
||||
piix_get_trigger,
|
||||
piix_set_trigger,
|
||||
};
|
||||
|
||||
int
|
||||
piix_init(pc, iot, tag, ptagp, phandp)
|
||||
pci_chipset_tag_t pc;
|
||||
bus_space_tag_t iot;
|
||||
pcitag_t tag;
|
||||
pciintr_icu_tag_t *ptagp;
|
||||
pciintr_icu_handle_t *phandp;
|
||||
{
|
||||
struct piix_handle *ph;
|
||||
|
||||
ph = malloc(sizeof(*ph), M_DEVBUF, M_NOWAIT);
|
||||
if (ph == NULL)
|
||||
return (1);
|
||||
|
||||
ph->ph_iot = iot;
|
||||
ph->ph_pc = pc;
|
||||
ph->ph_tag = tag;
|
||||
|
||||
if (bus_space_map(iot, PIIX_REG_ELCR, PIIX_REG_ELCR_SIZE, 0,
|
||||
&ph->ph_elcr_ioh) != 0) {
|
||||
free(ph, M_DEVBUF);
|
||||
return (1);
|
||||
}
|
||||
|
||||
*ptagp = &piix_pci_icu;
|
||||
*phandp = ph;
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
piix_getclink(v, link, clinkp)
|
||||
pciintr_icu_handle_t v;
|
||||
int link, *clinkp;
|
||||
{
|
||||
|
||||
/* Pattern 1: simple. */
|
||||
if (PIIX_LEGAL_LINK(link - 1)) {
|
||||
*clinkp = link - 1;
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Pattern 2: configuration register offset */
|
||||
if (link >= 0x60 && link <= 0x63) {
|
||||
*clinkp = link - 0x60;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
piix_get_intr(v, clink, irqp)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, *irqp;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int shift;
|
||||
pcireg_t reg;
|
||||
|
||||
if (PIIX_LEGAL_LINK(clink) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, PIIX_CFG_PIRQ);
|
||||
shift = clink << 3;
|
||||
if ((reg >> shift) & PIIX_CFG_PIRQ_NONE)
|
||||
*irqp = 0xff;
|
||||
else
|
||||
*irqp = PIIX_PIRQ(reg, clink);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
piix_set_intr(v, clink, irq)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, irq;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int shift;
|
||||
pcireg_t reg;
|
||||
|
||||
if (PIIX_LEGAL_LINK(clink) == 0 || PIIX_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, PIIX_CFG_PIRQ);
|
||||
shift = clink << 3;
|
||||
reg &= ~((PIIX_CFG_PIRQ_NONE | PIIX_CFG_PIRQ_MASK) << shift);
|
||||
reg |= irq << shift;
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag, PIIX_CFG_PIRQ, reg);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
piix_get_trigger(v, irq, triggerp)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, *triggerp;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int off, bit;
|
||||
u_int8_t elcr;
|
||||
|
||||
if (PIIX_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
off = (irq > 7) ? 1 : 0;
|
||||
bit = irq & 7;
|
||||
|
||||
elcr = bus_space_read_1(ph->ph_iot, ph->ph_elcr_ioh, off);
|
||||
if (elcr & (1 << bit))
|
||||
*triggerp = IST_LEVEL;
|
||||
else
|
||||
*triggerp = IST_EDGE;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
piix_set_trigger(v, irq, trigger)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, trigger;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int off, bit;
|
||||
u_int8_t elcr;
|
||||
|
||||
if (PIIX_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
off = (irq > 7) ? 1 : 0;
|
||||
bit = irq & 7;
|
||||
|
||||
elcr = bus_space_read_1(ph->ph_iot, ph->ph_elcr_ioh, off);
|
||||
if (trigger == IST_LEVEL)
|
||||
elcr |= (1 << bit);
|
||||
else
|
||||
elcr &= ~(1 << bit);
|
||||
bus_space_write_1(ph->ph_iot, ph->ph_elcr_ioh, off, elcr);
|
||||
|
||||
return (0);
|
||||
}
|
|
@ -0,0 +1,55 @@
|
|||
/* $NetBSD: piixreg.h,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Register definitions for the Intel PIIX PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
/*
|
||||
* PIRQ[3:0]# - PIRQ ROUTE CONTROL REGISTERS
|
||||
*
|
||||
* PCI Configuration registers 0x60, 0x61, 0x62, 0x63
|
||||
*/
|
||||
|
||||
#define PIIX_LEGAL_LINK(link) ((link) >= 0 && (link) <= 3)
|
||||
|
||||
#define PIIX_PIRQ_MASK 0xdef8
|
||||
#define PIIX_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
|
||||
((1 << (irq)) & PIIX_PIRQ_MASK) != 0)
|
||||
|
||||
#define PIIX_CFG_PIRQ 0x60 /* PCI configuration space */
|
||||
#define PIIX_CFG_PIRQ_NONE 0x80
|
||||
#define PIIX_CFG_PIRQ_MASK 0x0f
|
||||
#define PIIX_PIRQ(reg, x) (((reg) >> ((x) << 3)) & 0xff)
|
||||
|
||||
/*
|
||||
* ELCR - EDGE/LEVEL CONTROL REGISTER
|
||||
*
|
||||
* PCI I/O registers 0x4d0, 0x4d1
|
||||
*/
|
||||
#define PIIX_REG_ELCR 0x4d0
|
||||
#define PIIX_REG_ELCR_SIZE 2
|
|
@ -0,0 +1,77 @@
|
|||
/* $NetBSD: piixvar.h,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
||||
* NASA Ames Research Center.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Support for the Intel PIIX PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
int piix_get_trigger __P((pciintr_icu_handle_t, int, int *));
|
||||
int piix_set_trigger __P((pciintr_icu_handle_t, int, int));
|
||||
|
||||
struct piix_handle {
|
||||
bus_space_tag_t ph_iot;
|
||||
bus_space_handle_t ph_elcr_ioh;
|
||||
pci_chipset_tag_t ph_pc;
|
||||
pcitag_t ph_tag;
|
||||
};
|
|
@ -0,0 +1,180 @@
|
|||
/* $NetBSD: sis85c503.c,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
||||
* NASA Ames Research Center.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Support for the SiS 85c503 PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/device.h>
|
||||
|
||||
#include <machine/intr.h>
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/pci/pcivar.h>
|
||||
#include <dev/pci/pcireg.h>
|
||||
#include <dev/pci/pcidevs.h>
|
||||
|
||||
#include <i386/pci/pci_intr_fixup.h>
|
||||
#include <i386/pci/sis85c503reg.h>
|
||||
#include <i386/pci/piixvar.h>
|
||||
|
||||
int sis85c503_getclink __P((pciintr_icu_handle_t, int, int *));
|
||||
int sis85c503_get_intr __P((pciintr_icu_handle_t, int, int *));
|
||||
int sis85c503_set_intr __P((pciintr_icu_handle_t, int, int));
|
||||
|
||||
const struct pciintr_icu sis85c503_pci_icu = {
|
||||
sis85c503_getclink,
|
||||
sis85c503_get_intr,
|
||||
sis85c503_set_intr,
|
||||
piix_get_trigger,
|
||||
piix_set_trigger,
|
||||
};
|
||||
|
||||
int
|
||||
sis85c503_init(pc, iot, tag, ptagp, phandp)
|
||||
pci_chipset_tag_t pc;
|
||||
bus_space_tag_t iot;
|
||||
pcitag_t tag;
|
||||
pciintr_icu_tag_t *ptagp;
|
||||
pciintr_icu_handle_t *phandp;
|
||||
{
|
||||
|
||||
if (piix_init(pc, iot, tag, ptagp, phandp) == 0) {
|
||||
*ptagp = &sis85c503_pci_icu;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
sis85c503_getclink(v, link, clinkp)
|
||||
pciintr_icu_handle_t v;
|
||||
int link, *clinkp;
|
||||
{
|
||||
|
||||
/* Pattern 1: simple. */
|
||||
if (link >= 1 && link <= 4) {
|
||||
*clinkp = SIS85C503_CFG_PIRQ_REGSTART + link - 1;
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Pattern 2: configuration register offset */
|
||||
if (link >= SIS85C503_CFG_PIRQ_REGSTART &&
|
||||
link <= SIS85C503_CFG_PIRQ_REGEND) {
|
||||
*clinkp = link;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
sis85c503_get_intr(v, clink, irqp)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, *irqp;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
pcireg_t reg;
|
||||
|
||||
if (SIS85C503_LEGAL_LINK(clink) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
|
||||
SIS85C503_CFG_PIRQ_REGOFS(clink));
|
||||
reg = SIS85C503_CFG_PIRQ_REG(reg, clink);
|
||||
|
||||
if (reg & SIS85C503_CFG_PIRQ_ROUTE_DISABLE)
|
||||
*irqp = 0xff;
|
||||
else
|
||||
*irqp = reg & SIS85C503_CFG_PIRQ_INTR_MASK;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
sis85c503_set_intr(v, clink, irq)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, irq;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int shift;
|
||||
pcireg_t reg;
|
||||
|
||||
if (SIS85C503_LEGAL_LINK(clink) == 0 || SIS85C503_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
|
||||
SIS85C503_CFG_PIRQ_REGOFS(clink));
|
||||
shift = SIS85C503_CFG_PIRQ_SHIFT(clink);
|
||||
reg &= ~((SIS85C503_CFG_PIRQ_ROUTE_DISABLE |
|
||||
SIS85C503_CFG_PIRQ_INTR_MASK) << shift);
|
||||
reg |= (irq << shift);
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag, SIS85C503_CFG_PIRQ_REGOFS(clink),
|
||||
reg);
|
||||
|
||||
return (0);
|
||||
}
|
|
@ -0,0 +1,52 @@
|
|||
/* $NetBSD: sis85c503reg.h,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Register definitions for the SiS 85c503 PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
#define SIS85C503_CFG_PIRQ_REGSTART 0x41 /* PCI configuration space */
|
||||
#define SIS85C503_CFG_PIRQ_REGEND 0x44
|
||||
|
||||
#define SIS85C503_LEGAL_LINK(link) ((link) >= SIS85C503_CFG_PIRQ_REGSTART && \
|
||||
(link) <= SIS85C503_CFG_PIRQ_REGEND)
|
||||
|
||||
#define SIS85C503_CFG_PIRQ_REGOFS(regofs) (((regofs) >> 2) << 2)
|
||||
#define SIS85C503_CFG_PIRQ_SHIFT(regofs) \
|
||||
(((regofs) - SIS85C503_CFG_PIRQ_REGOFS(regofs)) << 3)
|
||||
|
||||
#define SIS85C503_CFG_PIRQ_MASK 0xff
|
||||
#define SIS85C503_CFG_PIRQ_INTR_MASK 0x0f
|
||||
|
||||
#define SIS85C503_CFG_PIRQ_REG(reg, regofs) \
|
||||
(((reg) >> SIS85C503_CFG_PIRQ_SHIFT(regofs)) & SIS85C503_CFG_PIRQ_MASK)
|
||||
|
||||
#define SIS85C503_CFG_PIRQ_ROUTE_DISABLE 0x80
|
||||
|
||||
#define SIS85C503_PIRQ_MASK 0xdef8
|
||||
#define SIS85C503_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
|
||||
((1 << (irq)) & SIS85C503_PIRQ_MASK) != 0)
|
|
@ -0,0 +1,270 @@
|
|||
/* $NetBSD: via82c586.c,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
||||
* NASA Ames Research Center.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Support for the VIA 82c586 PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/device.h>
|
||||
|
||||
#include <machine/intr.h>
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/pci/pcivar.h>
|
||||
#include <dev/pci/pcireg.h>
|
||||
#include <dev/pci/pcidevs.h>
|
||||
|
||||
#include <i386/pci/pci_intr_fixup.h>
|
||||
#include <i386/pci/via82c586reg.h>
|
||||
#include <i386/pci/piixvar.h>
|
||||
|
||||
int via82c586_getclink __P((pciintr_icu_handle_t, int, int *));
|
||||
int via82c586_get_intr __P((pciintr_icu_handle_t, int, int *));
|
||||
int via82c586_set_intr __P((pciintr_icu_handle_t, int, int));
|
||||
int via82c586_get_trigger __P((pciintr_icu_handle_t, int, int *));
|
||||
int via82c586_set_trigger __P((pciintr_icu_handle_t, int, int));
|
||||
|
||||
const struct pciintr_icu via82c586_pci_icu = {
|
||||
via82c586_getclink,
|
||||
via82c586_get_intr,
|
||||
via82c586_set_intr,
|
||||
via82c586_get_trigger,
|
||||
via82c586_set_trigger,
|
||||
};
|
||||
|
||||
const int vp3_cfg_trigger_shift[] = {
|
||||
VP3_CFG_TRIGGER_SHIFT_PIRQA,
|
||||
VP3_CFG_TRIGGER_SHIFT_PIRQB,
|
||||
VP3_CFG_TRIGGER_SHIFT_PIRQC,
|
||||
VP3_CFG_TRIGGER_SHIFT_PIRQD,
|
||||
};
|
||||
|
||||
#define VP3_TRIGGER(reg, pirq) (((reg) >> vp3_cfg_trigger_shift[(pirq)]) & \
|
||||
VP3_CFG_TRIGGER_MASK)
|
||||
|
||||
const int vp3_cfg_intr_shift[] = {
|
||||
VP3_CFG_INTR_SHIFT_PIRQA,
|
||||
VP3_CFG_INTR_SHIFT_PIRQB,
|
||||
VP3_CFG_INTR_SHIFT_PIRQC,
|
||||
VP3_CFG_INTR_SHIFT_PIRQD,
|
||||
};
|
||||
|
||||
#define VP3_PIRQ(req, pirq) (((reg) >> vp3_cfg_intr_shift[(pirq)]) & \
|
||||
VP3_CFG_INTR_MASK)
|
||||
|
||||
int
|
||||
via82c586_init(pc, iot, tag, ptagp, phandp)
|
||||
pci_chipset_tag_t pc;
|
||||
bus_space_tag_t iot;
|
||||
pcitag_t tag;
|
||||
pciintr_icu_tag_t *ptagp;
|
||||
pciintr_icu_handle_t *phandp;
|
||||
{
|
||||
pcireg_t reg;
|
||||
|
||||
if (piix_init(pc, iot, tag, ptagp, phandp) == 0) {
|
||||
*ptagp = &via82c586_pci_icu;
|
||||
|
||||
/*
|
||||
* Enable EISA ELCR.
|
||||
*/
|
||||
reg = pci_conf_read(pc, tag, VP3_CFG_KBDMISCCTRL12_REG);
|
||||
reg |= VP3_CFG_MISCCTRL2_EISA4D04D1PORT_ENABLE <<
|
||||
VP3_CFG_MISCCTRL2_SHIFT;
|
||||
pci_conf_write(pc, tag, VP3_CFG_KBDMISCCTRL12_REG, reg);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
via82c586_getclink(v, link, clinkp)
|
||||
pciintr_icu_handle_t v;
|
||||
int link, *clinkp;
|
||||
{
|
||||
|
||||
if (VP3_LEGAL_LINK(link - 1)) {
|
||||
*clinkp = link - 1;
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
via82c586_get_intr(v, clink, irqp)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, *irqp;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
pcireg_t reg;
|
||||
int val;
|
||||
|
||||
if (VP3_LEGAL_LINK(clink) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VP3_CFG_PIRQ_REG);
|
||||
val = VP3_PIRQ(reg, clink);
|
||||
*irqp = (val == VP3_PIRQ_NONE) ? 0xff : val;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
via82c586_set_intr(v, clink, irq)
|
||||
pciintr_icu_handle_t v;
|
||||
int clink, irq;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int shift, val;
|
||||
pcireg_t reg;
|
||||
|
||||
if (VP3_LEGAL_LINK(clink) == 0 || VP3_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VP3_CFG_PIRQ_REG);
|
||||
via82c586_get_intr(v, clink, &val);
|
||||
shift = vp3_cfg_intr_shift[clink];
|
||||
reg &= ~(VP3_CFG_INTR_MASK << shift);
|
||||
reg |= (irq << shift);
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag, VP3_CFG_PIRQ_REG, reg);
|
||||
if (via82c586_get_intr(v, clink, &val) != 0 ||
|
||||
val != irq)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
via82c586_get_trigger(v, irq, triggerp)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, *triggerp;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int i, error, check_consistency, pciirq, pcitrigger = IST_NONE;
|
||||
pcireg_t reg;
|
||||
|
||||
if (VP3_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
check_consistency = 0;
|
||||
for (i = 0; i <= 3; i++) {
|
||||
via82c586_get_intr(v, i, &pciirq);
|
||||
if (pciirq == irq) {
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
|
||||
VP3_CFG_PIRQ_REG);
|
||||
if (VP3_TRIGGER(reg, i) == VP3_CFG_TRIGGER_EDGE)
|
||||
pcitrigger = IST_EDGE;
|
||||
else
|
||||
pcitrigger = IST_LEVEL;
|
||||
check_consistency = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
error = piix_get_trigger(v, irq, triggerp);
|
||||
if (error == 0 && check_consistency && pcitrigger != *triggerp)
|
||||
return (1);
|
||||
return (error);
|
||||
}
|
||||
|
||||
int
|
||||
via82c586_set_trigger(v, irq, trigger)
|
||||
pciintr_icu_handle_t v;
|
||||
int irq, trigger;
|
||||
{
|
||||
struct piix_handle *ph = v;
|
||||
int i, pciirq, shift, testtrig;
|
||||
pcireg_t reg;
|
||||
|
||||
if (VP3_LEGAL_IRQ(irq) == 0)
|
||||
return (1);
|
||||
|
||||
for (i = 0; i <= 3; i++) {
|
||||
via82c586_get_intr(v, i, &pciirq);
|
||||
if (pciirq == irq) {
|
||||
reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
|
||||
VP3_CFG_PIRQ_REG);
|
||||
shift = vp3_cfg_trigger_shift[i];
|
||||
if (trigger == IST_LEVEL)
|
||||
reg &= ~(VP3_CFG_TRIGGER_MASK << shift);
|
||||
else
|
||||
reg |= (VP3_CFG_TRIGGER_EDGE << shift);
|
||||
pci_conf_write(ph->ph_pc, ph->ph_tag,
|
||||
VP3_CFG_PIRQ_REG, reg);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (piix_set_trigger(v, irq, trigger) != 0 ||
|
||||
via82c586_get_trigger(v, irq, &testtrig) != 0 ||
|
||||
testtrig != trigger)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
}
|
|
@ -0,0 +1,62 @@
|
|||
/* $NetBSD: via82c586reg.h,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1999, by UCHIYAMA Yasushi
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the developer may NOT be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Register definitions for the VIA 82c586 PCI-ISA bridge interrupt controller.
|
||||
*/
|
||||
|
||||
#define VP3_CFG_PIRQ_REG 0x54 /* PCI configuration space */
|
||||
#define VP3_CFG_KBDMISCCTRL12_REG 0x44
|
||||
#define VP3_CFG_IDEMISCCTRL3_REG 0x48
|
||||
|
||||
#define VP3_CFG_MISCCTRL2_SHIFT 24
|
||||
#define VP3_CFG_MISCCTRL2_MASK 0x0f
|
||||
#define VP3_CFG_MISCCTRL2_EISA4D04D1PORT_ENABLE 0x20
|
||||
#define VP3_CFG_MISCCTRL2_REG(reg) \
|
||||
(((reg) >> VP3_CFG_MISCCTRL2_SHIFT) & VP3_CFG_MISCCTRL2_MASK)
|
||||
|
||||
#define VP3_CFG_TRIGGER_LEVEL 0
|
||||
#define VP3_CFG_TRIGGER_EDGE 1
|
||||
|
||||
#define VP3_CFG_TRIGGER_MASK 0x01
|
||||
#define VP3_CFG_TRIGGER_SHIFT_PIRQA 3
|
||||
#define VP3_CFG_TRIGGER_SHIFT_PIRQB 2
|
||||
#define VP3_CFG_TRIGGER_SHIFT_PIRQC 1
|
||||
#define VP3_CFG_TRIGGER_SHIFT_PIRQD 0
|
||||
|
||||
#define VP3_CFG_INTR_MASK 0x04
|
||||
#define VP3_PIRQ_MASK 0xdefa
|
||||
|
||||
#define VP3_CFG_INTR_SHIFT_PIRQA 0x14
|
||||
#define VP3_CFG_INTR_SHIFT_PIRQB 0x10
|
||||
#define VP3_CFG_INTR_SHIFT_PIRQC 0x1c
|
||||
#define VP3_CFG_INTR_SHIFT_PIRQD 0x0c
|
||||
|
||||
#define VP3_PIRQ_NONE 0
|
||||
#define VP3_LEGAL_LINK(link) ((link) >= 0 && (link) <= 3)
|
||||
#define VP3_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
|
||||
((1 << (irq)) & VP3_PIRQ_MASK) != 0)
|
Loading…
Reference in New Issue