149 lines
4.2 KiB
C
149 lines
4.2 KiB
C
/* $NetBSD: rmixl_cpunode.c,v 1.3 2011/07/01 19:01:30 dyoung Exp $ */
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/*
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* Copyright (c) 1994,1995 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 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 Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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* RiscBSD kernel project
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*
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* mainbus.c
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*
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* cpunode configuration
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*
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* Created : 15/12/94
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rmixl_cpunode.c,v 1.3 2011/07/01 19:01:30 dyoung Exp $");
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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/conf.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <evbmips/rmixl/autoconf.h>
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#include <mips/rmi/rmixlvar.h>
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#include <mips/rmi/rmixl_cpunodevar.h>
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#include <sys/bus.h>
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#include "locators.h"
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static int cpunode_rmixl_match(device_t, cfdata_t, void *);
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static void cpunode_rmixl_attach(device_t, device_t, void *);
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static int cpunode_rmixl_print(void *, const char *);
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CFATTACH_DECL_NEW(cpunode_rmixl, sizeof(struct cpunode_softc),
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cpunode_rmixl_match, cpunode_rmixl_attach, NULL, NULL);
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static int
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cpunode_rmixl_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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if (!cpu_rmixl(mips_options.mips_cpu))
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return 0;
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/* XXX for now attach one node only */
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if (ma->ma_node != 0)
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return 0;
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return 1;
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}
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static void
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cpunode_rmixl_attach(device_t parent, device_t self, void *aux)
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{
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u_int sz;
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u_int ncores;
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struct cpunode_softc *sc = device_private(self);
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struct mainbus_attach_args *ma = aux;
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struct cpunode_attach_args na;
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const u_int cpu_cidflags = mips_options.mips_cpu->cpu_cidflags;
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aprint_naive("\n");
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aprint_normal("\n");
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sc->sc_dev = self;
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sc->sc_node = ma->ma_node;
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sc->sc_attached = 1;
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switch (cpu_cidflags & MIPS_CIDFL_RMI_TYPE) {
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case CIDFL_RMI_TYPE_XLR:
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case CIDFL_RMI_TYPE_XLS:
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/*
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* L2 is unified on XLR, XLS
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*/
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sz = (size_t)MIPS_CIDFL_RMI_L2SZ(cpu_cidflags);
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aprint_normal("%s: %dKB/32B %d-banked 8-way set associative"
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" unified L2 cache\n", device_xname(self),
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sz/1024, sz/(256 * 1024));
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break;
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case CIDFL_RMI_TYPE_XLP:
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/* TBD */
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break;
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}
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ncores = MIPS_CIDFL_RMI_NCORES(cpu_cidflags);
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aprint_normal("%s: %d %s on node\n", device_xname(self), ncores,
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ncores == 1 ? "core" : "cores");
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/*
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* Attach cpu (RMI thread) devices
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*/
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for (int i=0; i < ncores; i++) {
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na.na_name = "cpucore";
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na.na_node = ma->ma_node;
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na.na_core = i;
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config_found(self, &na, cpunode_rmixl_print);
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}
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/*
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* Attach obio
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*/
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na.na_name = "obio";
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config_found(self, &na, NULL);
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}
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static int
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cpunode_rmixl_print(void *aux, const char *pnp)
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{
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struct cpunode_attach_args *na = aux;
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if (pnp != NULL)
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aprint_normal("%s:", pnp);
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aprint_normal(" core %d", na->na_core);
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return (UNCONF);
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}
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