diff options
Diffstat (limited to 'sys/arch/hp300/stand/common/autoconf.c')
| -rw-r--r-- | sys/arch/hp300/stand/common/autoconf.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/sys/arch/hp300/stand/common/autoconf.c b/sys/arch/hp300/stand/common/autoconf.c new file mode 100644 index 00000000000..987122c8053 --- /dev/null +++ b/sys/arch/hp300/stand/common/autoconf.c @@ -0,0 +1,256 @@ +/* $OpenBSD: autoconf.c,v 1.1 1997/07/14 08:14:07 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 <sys/param.h> +#include <sys/reboot.h> + +#include "samachdep.h" +#include "rominfo.h" +#include "device.h" + +#include <hp300/dev/grfreg.h> + +/* + * 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++; + } +} |