4c024bbdf8
supports All Cyrix CPUs, IBM Blue Lightning CPU and NexGen (now AMD)
Nx586 CPU, and initialize special registers of Cyrix CPU and msr of
IBM Blue Lightning CPU.
If revision of Cyrix 6x86 CPU < 2.7, CPU cache is enabled in
write-through mode. This can be disabled by kernel configuration
options.
Reviewed by: Bruce Evans <bde@freebsd.org> and
Jordan K. Hubbard <jkh@freebsd.org>
216 lines
6.4 KiB
C
216 lines
6.4 KiB
C
/*
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* Copyright (c) HONDA Naofumi, KATO Takenori, 1996. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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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 as
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* the first lines of this file unmodified.
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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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* The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/***************************************************
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* misc device header in bs_softc
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***************************************************/
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#ifdef __NetBSD__
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#define OS_DEPEND_DEVICE_HEADER \
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struct device sc_dev; \
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void *sc_ih;
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#define OS_DEPEND_SCSI_HEADER \
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struct scsi_link sc_link;
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#define OS_DEPEND_MISC_HEADER \
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pisa_device_handle_t sc_pdv; \
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bus_chipset_tag_t sc_bc; \
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bus_io_handle_t sc_ioh; \
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bus_io_handle_t sc_delayioh; \
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bus_mem_handle_t sc_memh;
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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#define OS_DEPEND_DEVICE_HEADER \
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int unit;
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#define OS_DEPEND_SCSI_HEADER \
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struct scsi_link sc_link;
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#define OS_DEPEND_MISC_HEADER
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#endif /* __FreeBSD__ */
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#if defined(__NetBSD__)
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#define BSHW_NBPG NBPG
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#endif
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#if defined(__FreeBSD__)
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#define BSHW_NBPG PAGE_SIZE
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#endif
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/***************************************************
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* include
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***************************************************/
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/* (I) common include */
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/disklabel.h>
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#include <sys/buf.h>
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#include <sys/queue.h>
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#include <sys/malloc.h>
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#include <sys/errno.h>
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#include <vm/vm.h>
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/* (II) os depend include */
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#ifdef __NetBSD__
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#include <sys/device.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/pisaif.h>
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#include <machine/cpufunc.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/dvcfg.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <scsi/scsi_disk.h>
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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#include <sys/device.h>
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#include <vm/vm_extern.h>
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#include <vm/vm_kern.h>
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#include <machine/clock.h>
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#include <machine/cpu.h>
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#include <machine/md_var.h>
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#include <machine/vmparam.h>
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#include <vm/pmap.h>
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#include <sys/proc.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <scsi/scsi_disk.h>
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#include <pc98/pc98/pc98.h>
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#include <i386/isa/isa_device.h>
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#include <i386/isa/icu.h>
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#endif /* __FreeBSD__ */
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/***************************************************
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* BUS IO MAPPINGS & BS specific inclusion
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***************************************************/
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#ifdef __NetBSD__
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#define BUS_IO_DELAY ((void) bus_io_read_1(bsc->sc_bc, bsc->sc_delayioh, 0))
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#define BUS_IO_WEIGHT (bus_io_write_1(bsc->sc_bc, bsc->sc_delayioh, 0, 0))
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#define BUS_IOR(offs) (BUS_IO_DELAY, bus_io_read_1(bsc->sc_bc, bsc->sc_ioh, (offs)))
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#define BUS_IOW(offs, val) (BUS_IO_DELAY, bus_io_write_1(bsc->sc_bc, bsc->sc_ioh, (offs), (val)))
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#include <dev/ic/wd33c93reg.h>
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#include <dev/isa/ccbque.h>
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#include <dev/isa/scsi_dvcfg.h>
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#include <dev/isa/bs/bsvar.h>
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#include <dev/isa/bs/bshw.h>
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#include <dev/isa/bs/bsfunc.h>
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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#define BUS_IO_DELAY ((void) inb(0x5f))
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#define BUS_IO_WEIGHT (outb(0x5f, 0))
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#define BUS_IOR(offs) (BUS_IO_DELAY, inb(bsc->sc_iobase + (offs)))
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#define BUS_IOW(offs, val) (BUS_IO_DELAY, outb(bsc->sc_iobase + (offs), (val)))
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#include <i386/isa/ic/wd33c93.h>
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#include <i386/isa/bs/ccbque.h>
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#include <i386/isa/bs/dvcfg.h>
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#include <i386/isa/bs/scsi_dvcfg.h>
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#include <i386/isa/bs/bsvar.h>
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#include <i386/isa/bs/bshw.h>
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#include <i386/isa/bs/bsfunc.h>
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#endif /* __FreeBSD__ */
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/***************************************************
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* XS return type
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***************************************************/
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#ifdef __NetBSD__
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#define XSBS_INT32T int
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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#define XSBS_INT32T int32_t
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#endif /* __FreeBSD__ */
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/***************************************************
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* xs flags's abstraction (all currently used)
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***************************************************/
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#define XSBS_ITSDONE ITSDONE
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#define XSBS_SCSI_NOSLEEP SCSI_NOSLEEP
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#ifdef __NetBSD__
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#define XSBS_SCSI_POLL SCSI_POLL
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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#define XSBS_SCSI_POLL SCSI_NOMASK
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#endif /* __FreeBSD__ */
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/***************************************************
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* Special operations
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***************************************************/
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#ifdef __FreeBSD__
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#define BS_ADDRESS_CHECK
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#endif /* __FreeBSD__ */
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/***************************************************
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* declare
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***************************************************/
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/* (I) common declare */
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void bs_alloc_buf __P((struct targ_info *));
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XSBS_INT32T bs_target_open __P((struct scsi_link *, struct cfdata *));
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XSBS_INT32T bs_scsi_cmd __P((struct scsi_xfer *));
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extern int delaycount;
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/* (II) os depend declare */
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#ifdef __NetBSD__
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int bsprobe __P((struct device *, struct device *, void *));
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void bsattach __P((struct device *, struct device *, void *));
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#endif /* __NetBSD__ */
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#ifdef __FreeBSD__
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static BS_INLINE void memcopy __P((void *from, void *to, register size_t len));
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u_int32_t bs_adapter_info __P((int));
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#define delay(y) DELAY(y)
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extern int dma_init_flag;
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#define softintr(y) ipending |= (y)
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static BS_INLINE void
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memcopy(from, to, len)
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void *from, *to;
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register size_t len;
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{
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len >>= 2;
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__asm __volatile("cld\n\trep\n\tmovsl" : :
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"S" (from), "D" (to), "c" (len) :
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"%esi", "%edi", "%ecx");
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}
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#endif /* __FreeBSD__ */
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