Common routines for read/writing Cypress 82c693 control registers. Needed
by `pciide' and the Alpha `sio' (PCI-ISA bridge) driver.
This commit is contained in:
thorpej
parent
3d93bb57a6
commit
21d9669e4f
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/* $NetBSD: cy82c693.c,v 1.1 2000/06/06 03:07:39 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 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.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* 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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* Common routines to read/write control registers on the Cypress 82c693
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* hyperCache(tm) Stand-Alone PCI Peripheral Controller with USB.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: cy82c693.c,v 1.1 2000/06/06 03:07:39 thorpej Exp $");
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#include "opt_multiprocessor.h"
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#include "opt_lockdebug.h"
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/lock.h>
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#include <machine/bus.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/cy82c693reg.h>
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#include <dev/pci/cy82c693var.h>
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static struct cy82c693_handle cyhc_handle;
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static int cyhc_initialized;
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#if defined(MULTIPROCESSOR) || defined(LOCKDEBUG)
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static struct simplelock cyhc_slock = SIMPLELOCK_INITIALIZER;
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#endif
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#define CYHC_LOCK(s) \
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do { \
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s = splhigh(); \
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simple_lock(&cyhc_slock); \
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} while (0)
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#define CYHC_UNLOCK(s) \
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do { \
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simple_unlock(&cyhc_slock); \
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splx(s); \
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} while (0)
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const struct cy82c693_handle *
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cy82c693_init(bus_space_tag_t iot)
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{
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bus_space_handle_t ioh;
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int s;
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CYHC_LOCK(s);
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if (cyhc_initialized) {
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CYHC_UNLOCK(s);
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if (iot != cyhc_handle.cyhc_iot)
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panic("cy82c693_init");
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return (&cyhc_handle);
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}
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if (bus_space_map(iot, CYHC_CONFIG_ADDR, 2, 0, &ioh) != 0) {
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CYHC_UNLOCK(s);
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return (NULL);
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}
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cyhc_handle.cyhc_iot = iot;
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cyhc_handle.cyhc_ioh = ioh;
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cyhc_initialized = 1;
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CYHC_UNLOCK(s);
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return (&cyhc_handle);
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}
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u_int8_t
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cy82c693_read(const struct cy82c693_handle *cyhc, int reg)
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{
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int s;
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u_int8_t rv;
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CYHC_LOCK(s);
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if (cyhc_initialized == 0) {
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CYHC_UNLOCK(s);
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panic("cy82c693_read");
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}
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bus_space_write_1(cyhc->cyhc_iot, cyhc->cyhc_ioh, 0, reg);
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rv = bus_space_read_1(cyhc->cyhc_iot, cyhc->cyhc_ioh, 1);
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CYHC_UNLOCK(s);
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return (rv);
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}
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void
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cy82c693_write(const struct cy82c693_handle *cyhc, int reg, u_int8_t val)
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{
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int s;
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CYHC_LOCK(s);
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if (cyhc_initialized == 0) {
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CYHC_UNLOCK(s);
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panic("cy82c693_write");
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}
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bus_space_write_1(cyhc->cyhc_iot, cyhc->cyhc_ioh, 0, reg);
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bus_space_write_1(cyhc->cyhc_iot, cyhc->cyhc_ioh, 1, val);
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CYHC_UNLOCK(s);
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}
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@ -0,0 +1,60 @@
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/* $NetBSD: cy82c693reg.h,v 1.1 2000/06/06 03:07:39 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 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.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
|
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* contributors may be used to endorse or promote products derived
|
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* 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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#ifndef _DEV_PCI_CY82C693REG_H_
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#define _DEV_PCI_CY82C693REG_H_
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/*
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* Register definitions for the Cypress 82c693 hyperCache(tm) Stand-Alone
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* PCI Peripheral Controller with USB.
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*/
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#define CYHC_CONFIG_ADDR 0x22 /* Chipset Configuration Address */
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#define CYHC_CONFIG_DATA 0x23 /* Chipset Configuration Data */
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#define CONFIG_PERIPH1 0x01 /* Peripheral Control #1 */
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#define CONFIG_PERIPH2 0x02 /* Peripheral Control #2 */
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#define CONFIG_ELCR1 0x03 /* Edge/Level Control #1 */
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#define CONFIG_ELCR2 0x04 /* Edge/Level Control #2 */
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#define CONFIG_RTC 0x05 /* RTC Configuration */
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#endif /* _DEV_PCI_CY82C693REG_H_ */
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@ -0,0 +1,56 @@
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/* $NetBSD: cy82c693var.h,v 1.1 2000/06/06 03:07:39 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 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.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
|
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* 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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#ifndef _DEV_PCI_CY82C693VAR_H_
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#define _DEV_PCI_CY82C693VAR_H_
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/*
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* Interface definitions for the Cypress 82c693 hyperCache(tm) Stand-Alone
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* PCI Peripheral Controller with USB.
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*/
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struct cy82c693_handle {
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bus_space_tag_t cyhc_iot;
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bus_space_handle_t cyhc_ioh;
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};
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const struct cy82c693_handle *cy82c693_init(bus_space_tag_t);
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u_int8_t cy82c693_read(const struct cy82c693_handle *, int);
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void cy82c693_write(const struct cy82c693_handle *, int, u_int8_t);
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#endif /* _DEV_PCI_CY82C693VAR_H_ */
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@ -1,4 +1,4 @@
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# $NetBSD: files.pci,v 1.95 2000/05/30 00:53:14 matt Exp $
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# $NetBSD: files.pci,v 1.96 2000/06/06 03:07:39 thorpej Exp $
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#
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# Config file and device description for machine-independent PCI code.
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# Included by ports that need it. Requires that the SCSI files be
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@ -18,6 +18,17 @@ file dev/pci/pci_map.c pci
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file dev/pci/pci_quirks.c pci
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file dev/pci/pci_subr.c pci
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# Cypress 82c693 hyperCache(tm) Stand-Alone PCI Peripheral Controller
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# with USB. This is a combo chip:
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#
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# PCI-ISA bridge
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# PCI IDE controller
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# OHCI USB controller
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#
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# There are some common subroutines that each function needs.
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define cy82c693
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file dev/pci/cy82c693.c cy82c693
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# Adaptec 3940, 2940, and aic78[5678]0 SCSI controllers
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# device declaration in sys/conf/files
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attach ahc at pci with ahc_pci: ahc_seeprom, smc93cx6
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@ -105,7 +116,7 @@ attach siop at pci with siop_pci: siop_pci_common
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file dev/pci/siop_pci.c siop_pci
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# PCI IDE controllers
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device pciide {[channel = -1]}: wdc_base, ata, atapi
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device pciide {[channel = -1]}: cy82c693, wdc_base, ata, atapi
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attach pciide at pci
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file dev/pci/pciide.c pciide
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