107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/* $NetBSD: cpu_sh.c,v 1.4 2002/10/02 15:52:36 thorpej Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Steve C. Woodford for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* 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 WASABI SYSTEMS, INC
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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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* SH-5 CPU Module
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*/
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <sh5/dev/superhywayvar.h>
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#include "locators.h"
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static int cpu_shmatch(struct device *, struct cfdata *, void *);
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static void cpu_shattach(struct device *, struct device *, void *);
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CFATTACH_DECL(cpu_sh, sizeof(struct device),
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cpu_shmatch, cpu_shattach, NULL, NULL);
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extern struct cfdriver cpu_cd;
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#define CPU_SH_MODULE_ID 0x51e2
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/*ARGSUSED*/
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static int
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cpu_shmatch(struct device *parent, struct cfdata *cf, void *args)
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{
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struct superhyway_attach_args *sa = args;
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bus_space_handle_t bh;
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u_int64_t vcr;
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if (strcmp(sa->sa_name, cpu_cd.cd_name))
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return (0);
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sa->sa_pport = 0;
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bus_space_map(sa->sa_bust,
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SUPERHYWAY_PPORT_TO_BUSADDR(cf->cf_loc[SUPERHYWAYCF_PPORT]),
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SUPERHYWAY_REG_SZ, 0, &bh);
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vcr = bus_space_read_8(sa->sa_bust, bh, SUPERHYWAY_REG_VCR);
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bus_space_unmap(sa->sa_bust, bh, SUPERHYWAY_REG_SZ);
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if (SUPERHYWAY_VCR_MOD_ID(vcr) != CPU_SH_MODULE_ID)
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return (0);
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sa->sa_pport = cf->cf_loc[SUPERHYWAYCF_PPORT];
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return (1);
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}
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/*ARGSUSED*/
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static void
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cpu_shattach(struct device *parent, struct device *self, void *args)
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{
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struct superhyway_attach_args *sa = args;
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bus_space_handle_t bh;
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u_int64_t vcr;
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bus_space_map(sa->sa_bust, SUPERHYWAY_PPORT_TO_BUSADDR(sa->sa_pport),
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SUPERHYWAY_REG_SZ, 0, &bh);
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vcr = bus_space_read_8(sa->sa_bust, bh, SUPERHYWAY_REG_VCR);
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bus_space_unmap(sa->sa_bust, bh, SUPERHYWAY_REG_SZ);
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printf(": SH-5 CPU, Version 0x%x\n",
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(int) SUPERHYWAY_VCR_MOD_VERS(vcr));
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}
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