386 lines
11 KiB
C
386 lines
11 KiB
C
/* $NetBSD: zbus.c,v 1.61 2007/10/17 19:53:17 garbled Exp $ */
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/*
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* Copyright (c) 1994 Christian E. Hopps
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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 Christian E. Hopps.
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* 4. 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: zbus.c,v 1.61 2007/10/17 19:53:17 garbled Exp $");
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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 <uvm/uvm_extern.h>
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#include <machine/cpu.h>
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#include <machine/pte.h>
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#include <amiga/amiga/cfdev.h>
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#include <amiga/amiga/device.h>
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#include <amiga/dev/zbusvar.h>
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struct aconfdata {
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const char *name;
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int manid;
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int prodid;
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};
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struct preconfdata {
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int manid;
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int prodid;
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void *vaddr;
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};
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vaddr_t ZTWOROMADDR;
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vaddr_t ZTWOMEMADDR;
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u_int NZTWOMEMPG;
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vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */
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u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */
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/*
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* explain the names.. 0123456789 => zothfisven
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*/
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static struct aconfdata aconftab[] = {
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/* Commodore Amiga */
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{ "atzee", 513, 1 },
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{ "atzsc", 514, 2 },
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{ "atzsc", 514, 3 },
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{ "bah", 514, 9 }, /* A2060 */
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{ "ql", 514, 69 },
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{ "ql", 514, 70 },
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{ "atfsc", 514, 84 },
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{ "le", 514, 112 },
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/* Ameristar */
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{ "le", 1053, 1 },
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{ "bah", 1053, 9 }, /* A2060 */
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{ "es", 1053, 10 },
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/* University of Lowell */
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{ "grful", 1030, 0 },
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/* DMI */
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{ "grfrs", 2129, 1 }, /* Resolver graphics board */
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/* Macrosystems */
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{ "grfrt", 18260, 6 },
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{ "grfrh", 18260, 16}, /* Retina BLT Z3 */
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{ "grfrh", 18260, 19}, /* Altais */
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/* Greater valley products */
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{ "gvpbus", 2017, 2 },
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{ "gvpbus", 2017, 11 },
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{ "giv", 2017, 32 },
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{ "gio", 2017, 255 },
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/* progressive perhiperals */
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{ "zssc", 2026, 150 },
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{ "ppia", 2026, 187 },
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{ "ppta", 2026, 105 },
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{ "ppha", 2026, 1 },
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{ "mrsc", 2026, 0 },
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/* CSA */
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{ "mgnsc", 1058, 17 },
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{ "otgsc", 1058, 21 },
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/* Microbotics */
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{ "vhzsc", 1010, 69 },
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/* Supra */
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{ "wstsc", 1056, 12 },
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{ "wstsc", 1056, 13 },
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/* IVS */
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{ "itrmp", 2112, 48 },
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{ "itrmp", 2112, 52 },
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{ "ivasc", 2112, 242 },
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{ "ivsc", 2112, 243 },
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/* Hydra */
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{ "ed", 2121, 1 },
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/* ASDG */
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{ "ed", 1023, 254 },
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/* Village Tronic Ariadne */
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{ "le", 2167, 201},
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/* Village Tronic Ariadne II */
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{ "ne", 2167, 202},
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/* bsc/Alf Data */
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{ "Tandem", 2092, 6 }, /* Tandem AT disk controller */
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{ "mfc", 2092, 16 },
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{ "mfc", 2092, 17 },
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{ "mfc", 2092, 18 },
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/* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */
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{ "grfcl", 2167, 11}, /* PicassoII mem */
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{ "grfcl", 2167, 12}, /* PicassoII regs */
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{ "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */
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{ "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */
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{ "grfcl", 2167, 23}, /* PicassoIV Z2 regs */
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{ "grfcl", 2167, 24}, /* PicassoIV Z3 */
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{ "grfcl", 2193, 2}, /* Spectrum mem */
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{ "grfcl", 2193, 1}, /* Spectrum regs */
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{ "grfcl", 2195, 5}, /* Piccolo mem */
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{ "grfcl", 2195, 6}, /* Piccolo regs */
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{ "grfcl", 2195, 10}, /* Piccolo SD64 mem */
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{ "grfcl", 2195, 11}, /* Piccolo SD64 regs */
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/* MacroSystemsUS */
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{ "wesc", 2203, 19}, /* Warp engine */
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/* phase 5 digital products */
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{ "flmem", 8512, 10}, /* FastlaneZ3 memory */
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{ "flsc", 8512, 11}, /* FastlaneZ3 */
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{ "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */
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{ "bzivsc", 8512, 17}, /* Blizzard IV SCSI */
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{ "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */
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{ "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */
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{ "grfcv", 8512, 34}, /* CyberVison 64 */
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{ "grfcv3d", 8512, 67}, /* CyberVison 64/3D */
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{ "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */
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/* Hacker Inc. */
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{ "mlhsc", 2011, 1 },
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/* Resource Management Force */
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{ "qn", 2011, 2 }, /* QuickNet Ethernet */
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/* ??? */
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{ "empsc", 2171, 21 }, /* Emplant SCSI */
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{ "empsc", 2171, 32 }, /* Emplant SCSI */
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/* Tseng ET4000 boards */
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{ "grfet", 2117, 3 }, /* Merlin mem */
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{ "grfet", 2117, 4 }, /* Merlin regs */
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{ "grfet", 2167, 1 }, /* Domino mem */
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{ "grfet", 2167, 2 }, /* Domino regs */
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{ "grfet", 2167, 3 }, /* Domino regs (proto 16M) */
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{ "grfet", 2181, 0 }, /* oMniBus */
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/* Advanced Systems */
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{ "nxsc", 2102, 1 }, /* Nexus SCSI board */
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/* Masoboshi */
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{ "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */
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/* Apollo */
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{ "apssc", 8738, 35 }, /* Apollo '060 scsi */
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/* KATO development */
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{ "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */
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/* Individual Computers Jens Schoenfeld */
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{ "buddha", 4626, 0 },
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{ "xsurf", 4626, 23 }, /* X-Surf Ethernet */
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/* VMC Harald Frank */
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{ "blst", 5001, 1}, /* ISDN Blaster */
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{ "hyper4", 5001, 2}, /* Hypercom4-Zbus */
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{ "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */
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{ "hyper4+", 5001, 6}, /* Hypercom4+ */
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{ "hyper3+", 5001, 7}, /* Hypercom3+ */
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/* Matay Grzegorz Kraszewski */
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{ "Prometheus", 44359, 1} /* Prometheus PCI bridge */
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};
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static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata);
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/*
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* Anything listed in this table is subject to pre-configuration,
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* if autoconf.c:config_console() calls amiga_config_found() on
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* the Zorro III device.
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*/
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static struct preconfdata preconftab[] = {
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{18260, 6, 0 }, /* Retina Z2 */ /* grf1 */
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{18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */
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{18260, 19, 0}, /* Altais */
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{2167, 11, 0}, /* PicassoII mem */ /* grf3 */
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{2167, 12, 0}, /* PicassoII regs */
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{2167, 21, 0}, /* PicassoIV Z2 mem1 */
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{2167, 22, 0}, /* PicassoIV Z2 mem2 */
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{2167, 23, 0}, /* PicassoIV Z2 regs */
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{2167, 24, 0}, /* PicassoIV Z3 */
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{2193, 2, 0}, /* Spectrum mem */
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{2193, 1, 0}, /* Spectrum regs */
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{2195, 5, 0}, /* Piccolo mem */
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{2195, 6, 0}, /* Piccolo regs */
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{2195, 10, 0}, /* Piccolo SD64 mem */
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{2195, 11, 0}, /* Piccolo SD64 regs */
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{1030, 0, 0}, /* Ulwl board */ /* grf4 */
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{8512, 34, 0}, /* Cybervison 64 */ /* grf5 */
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{2117, 3, 0}, /* Merlin mem */ /* grf6 */
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{2117, 4, 0}, /* Merlin regs */
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{2167, 1, 0}, /* Domino mem */
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{2167, 2, 0}, /* Domino regs */
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{2167, 3, 0}, /* Domino regs (proto 16M) */
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{2181, 0, 0}, /* oMniBus mem or regs */
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{8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */
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};
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static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata);
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void zbusattach(struct device *, struct device *, void *);
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int zbusprint(void *, const char *);
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int zbusmatch(struct device *, struct cfdata *, void *);
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void *zbusmap(void *, u_int);
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static const char *aconflookup(int, int);
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/*
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* given a manufacturer id and product id, find the name
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* that describes this board.
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*/
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static const char *
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aconflookup(int mid, int pid)
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{
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struct aconfdata *adp, *eadp;
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eadp = &aconftab[naconfent];
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for (adp = aconftab; adp < eadp; adp++)
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if (adp->manid == mid && adp->prodid == pid)
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return(adp->name);
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return("board");
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}
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/*
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* mainbus driver
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*/
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CFATTACH_DECL(zbus, sizeof(struct device),
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zbusmatch, zbusattach, NULL, NULL);
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static struct cfdata *early_cfdata;
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/*ARGSUSED*/
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int
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zbusmatch(struct device *pdp, struct cfdata *cfp, void *auxp)
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{
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if (matchname(auxp, "zbus") == 0)
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return(0);
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if (amiga_realconfig == 0)
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early_cfdata = cfp;
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return(1);
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}
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/*
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* called to attach bus, we probe, i.e., scan configdev structs passed
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* in, for each found name call config_found() which will do this again
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* with that driver if matched else print a diag.
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*/
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void
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zbusattach(struct device *pdp, struct device *dp, void *auxp)
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{
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struct zbus_args za;
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struct preconfdata *pcp, *epcp;
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struct cfdev *cdp, *ecdp;
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epcp = &preconftab[npreconfent];
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ecdp = &cfdev[ncfdev];
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if (amiga_realconfig) {
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if (ZTWOMEMADDR)
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printf(": mem 0x%08lx-0x%08lx",
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ZTWOMEMADDR,
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ZTWOMEMADDR + PAGE_SIZE * NZTWOMEMPG - 1);
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if (ZBUSAVAIL)
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printf (": i/o size 0x%08x", ZBUSAVAIL);
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printf("\n");
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}
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for (cdp = cfdev; cdp < ecdp; cdp++) {
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for (pcp = preconftab; pcp < epcp; pcp++) {
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if (pcp->manid == cdp->rom.manid &&
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pcp->prodid == cdp->rom.prodid)
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break;
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}
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if (amiga_realconfig == 0 && pcp >= epcp)
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continue;
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/*
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* check if it's a Zorro II or III board and not linked into
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* MemList (i.e. not a memory board)
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*/
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if ((cdp->rom.type & 0xe0) != 0xc0 &&
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(cdp->rom.type & 0xe0) != 0x80)
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continue; /* er_Type != Zorro I/O */
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za.pa = cdp->addr;
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za.size = cdp->size;
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if (amiga_realconfig && pcp < epcp && pcp->vaddr)
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za.va = pcp->vaddr;
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else {
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za.va = (void *) (isztwopa(za.pa) ?
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__UNVOLATILE(ztwomap(za.pa)) :
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zbusmap(za.pa, za.size));
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/* ??????? */
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/*
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* save value if early console init
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*/
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if (amiga_realconfig == 0)
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pcp->vaddr = za.va;
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}
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za.manid = cdp->rom.manid;
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za.prodid = cdp->rom.prodid;
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za.serno = cdp->rom.serno;
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za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9;
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amiga_config_found(early_cfdata, dp, &za, zbusprint);
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}
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}
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/*
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* print configuration info.
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*/
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int
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zbusprint(void *auxp, const char *pnp)
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{
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struct zbus_args *zap;
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int rv;
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rv = UNCONF;
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zap = auxp;
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if (pnp) {
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aprint_normal("%s at %s:",
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aconflookup(zap->manid, zap->prodid), pnp);
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if (zap->manid == -1)
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rv = UNSUPP;
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}
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aprint_normal(" pa %8p man/pro %d/%d", zap->pa, zap->manid,
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zap->prodid);
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return(rv);
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}
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/*
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* this function is used to map Zorro physical I/O addresses into kernel
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* virtual addresses. We don't keep track which address we map where, we don't
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* NEED to know this. We made sure in amiga_init.c (by scanning all available
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* Zorro devices) to have enough kva-space available, so there is no extra
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* range check done here.
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*/
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void *
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zbusmap(void *pa, u_int size)
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{
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#if defined(__m68k__)
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static vaddr_t nextkva = 0;
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vaddr_t kva;
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if (nextkva == 0)
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nextkva = ZBUSADDR;
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if (nextkva > ZBUSADDR + ZBUSAVAIL)
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return 0;
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/* size better be an integral multiple of the page size... */
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kva = nextkva;
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nextkva += size;
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if (nextkva > ZBUSADDR + ZBUSAVAIL)
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panic("allocating too much Zorro I/O address space");
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physaccess((void *)kva, (void *)pa, size, PG_RW|PG_CI);
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return((void *)kva);
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#else
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/*
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* XXX we use direct constant mapping
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*/
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return(pa);
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#endif
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}
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