/* $NetBSD: sbi.c,v 1.33.14.1 2008/11/22 05:05:10 snj Exp $ */ /* * Copyright (c) 1994 Ludd, University of Lule}, Sweden. * 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. 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 at Ludd, University of Lule}. * 4. The name of the author 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 ``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 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. */ /* * Still to do: Write all SBI error handling. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: sbi.c,v 1.33.14.1 2008/11/22 05:05:10 snj Exp $"); #include <sys/types.h> #include <sys/param.h> #include <sys/device.h> #include <sys/systm.h> #include <machine/bus.h> #include <machine/sid.h> #include <machine/cpu.h> #include <machine/nexus.h> #include <machine/mainbus.h> static int sbi_print(void *, const char *); static int sbi_mainbus_match(device_t, cfdata_t, void *); static void sbi_mainbus_attach(device_t, device_t, void*); int sbi_print(void *aux, const char *name) { struct sbi_attach_args *sa = aux; bool unsupp = false; if (name) { switch (sa->sa_type) { case NEX_MBA: aprint_normal("mba at %s", name); break; case NEX_CI: aprint_normal("ci at %s", name); unsupp++; break; default: aprint_normal("unknown device 0x%x at %s", sa->sa_type, name); unsupp = true; } } aprint_normal(" tr%d", sa->sa_nexnum); return (unsupp ? UNSUPP : UNCONF); } int sbi_mainbus_match(device_t parent, cfdata_t cf, void *aux) { struct mainbus_attach_args * const ma = aux; return !strcmp("sbi", ma->ma_type); } void sbi_mainbus_attach(device_t parent, device_t self, void *aux) { struct mainbus_attach_args * const ma = aux; struct sbi_attach_args sa; u_int nexnum, minnex = 0; /* default only one SBI, as on 780 */ paddr_t nexbase; aprint_normal("\n"); sa.sa_iot = ma->ma_iot; sa.sa_dmat = ma->ma_dmat; #define NEXPAGES (sizeof(struct nexus) / VAX_NBPG) #if VAX780 || VAXANY if (vax_boardtype == VAX_BTYP_780) { nexbase = (paddr_t) NEX780; sa.sa_sbinum = 0; } #endif #if VAX8600 || VAXANY if (vax_boardtype == VAX_BTYP_790) { nexbase = (paddr_t) NEXA8600; minnex = ma->ma_num * NNEXSBI; sa.sa_sbinum = ma->ma_num; } #endif for (nexnum = minnex; nexnum < minnex + NNEXSBI; nexnum++) { struct nexus *nexusP = 0; volatile int tmp; nexusP = (struct nexus *)vax_map_physmem(nexbase + sizeof(struct nexus) * nexnum, NEXPAGES); if (badaddr((void *)nexusP, 4)) { vax_unmap_physmem((vaddr_t)nexusP, NEXPAGES); } else { tmp = nexusP->nexcsr.nex_csr; /* no byte reads */ sa.sa_type = tmp & 255; sa.sa_nexnum = nexnum; sa.sa_ioh = (vaddr_t)nexusP; config_found(self, (void*)&sa, sbi_print); } } } CFATTACH_DECL_NEW(sbi_mainbus, 0, sbi_mainbus_match, sbi_mainbus_attach, NULL, NULL);