/* $OpenBSD: autoconf.c,v 1.3 1997/02/03 04:48:01 downsj Exp $ */ /* $NetBSD: autoconf.c,v 1.12 1997/01/30 10:32:51 thorpej Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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 by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * from: Utah Hdr: autoconf.c 1.16 92/05/29 * * @(#)autoconf.c 8.1 (Berkeley) 6/10/93 */ #include #include #include #include #include #include /* * Mapping of ROM MSUS types to BSD major device numbers * WARNING: major numbers must match bdevsw indices in hp300/conf.c. */ char rom2mdev[] = { 0, 0, /* 0-1: none */ 6, /* 2: network device; special */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 3-13: none */ 4, /* 14: SCSI disk */ 0, /* 15: none */ 2, /* 16: CS/80 device on HPIB */ 2, /* 17: CS/80 device on HPIB */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */ }; struct hp_hw sc_table[MAXCTLRS]; int cpuspeed; extern int internalhpib; #ifdef PRINTROMINFO printrominfo() { struct rominfo *rp = (struct rominfo *)ROMADDR; printf("boottype %x, name %s, lowram %x, sysflag %x\n", rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff); printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n", rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus); } #endif configure() { u_long msustobdev(); switch (machineid) { case HP_320: case HP_330: case HP_340: cpuspeed = MHZ_16; break; case HP_350: case HP_360: cpuspeed = MHZ_25; break; case HP_370: cpuspeed = MHZ_33; break; case HP_375: cpuspeed = MHZ_50; break; case HP_380: cpuspeed = MHZ_25 * 2; /* XXX */ break; case HP_433: cpuspeed = MHZ_33 * 2; /* XXX */ break; default: /* assume the fastest (largest delay value) */ cpuspeed = MHZ_50; break; } find_devs(); cninit(); #ifdef PRINTROMINFO printrominfo(); #endif hpibinit(); scsiinit(); if ((bootdev & B_MAGICMASK) != B_DEVMAGIC) bootdev = msustobdev(); } /* * Convert HP MSUS to a valid bootdev layout: * TYPE comes from MSUS device type as mapped by rom2mdev * PARTITION is set to 0 ('a') * UNIT comes from MSUS unit (almost always 0) * CONTROLLER comes from MSUS primary address * ADAPTER comes from SCSI/HPIB driver logical unit number * (passed back via unused hw_pa field) */ u_long msustobdev() { struct rominfo *rp = (struct rominfo *) ROMADDR; u_long bdev = 0; register struct hp_hw *hw; int sc, type, ctlr, slave, punit; sc = (rp->msus >> 8) & 0xFF; for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++) if (hw->hw_sc == sc) break; type = rom2mdev[(rp->msus >> 24) & 0x1F]; ctlr = (int)hw->hw_pa; slave = (rp->msus & 0xFF); punit = ((rp->msus >> 16) & 0xFF); bdev = MAKEBOOTDEV(type, ctlr, slave, punit, 0); #ifdef PRINTROMINFO printf("msus %x -> bdev %x\n", rp->msus, bdev); #endif return (bdev); } sctoaddr(sc) int sc; { if (sc == -1) return(GRFIADDR); if (sc == 7 && internalhpib) return(internalhpib); if (sc < 32) return(DIOBASE + sc * DIOCSIZE); if (sc >= 132) return(DIOIIBASE + (sc - 132) * DIOIICSIZE); return(sc); } /* * Probe all DIO select codes (0 - 32), the internal display address, * and DIO-II select codes (132 - 256). * * Note that we only care about displays, LANCEs, SCSIs and HP-IBs. */ find_devs() { short sc, sctop; u_char *id_reg; register caddr_t addr; register struct hp_hw *hw; hw = sc_table; sctop = machineid == HP_320 ? 32 : 256; for (sc = -1; sc < sctop; sc++) { if (sc >= 32 && sc < 132) continue; addr = (caddr_t) sctoaddr(sc); if (badaddr(addr)) continue; id_reg = (u_char *) addr; hw->hw_pa = 0; /* XXX used to pass back LUN from driver */ if (sc >= 132) hw->hw_size = (id_reg[0x101] + 1) * 0x100000; else hw->hw_size = DIOCSIZE; hw->hw_kva = addr; hw->hw_id = id_reg[1]; hw->hw_sc = sc; /* * Not all internal HP-IBs respond rationally to id requests * so we just go by the "internal HPIB" indicator in SYSFLAG. */ if (sc == 7 && internalhpib) { hw->hw_type = C_HPIB; hw++; continue; } switch (hw->hw_id) { case 5: /* 98642A */ case 5+128: /* 98642A remote */ hw->hw_type = D_COMMDCM; break; case 8: /* 98625B */ case 128: /* 98624A */ hw->hw_type = C_HPIB; break; case 21: /* LANCE */ hw->hw_type = D_LAN; break; case 57: /* Displays */ hw->hw_type = D_BITMAP; hw->hw_secid = id_reg[0x15]; switch (hw->hw_secid) { case 4: /* renaissance */ case 8: /* davinci */ sc++; /* occupy 2 select codes */ break; } break; case 9: hw->hw_type = D_KEYBOARD; break; case 7: case 7+32: case 7+64: case 7+96: hw->hw_type = C_SCSI; break; default: /* who cares */ hw->hw_type = D_MISC; break; } hw++; } }