diff options
Diffstat (limited to 'sys/arch/vax/uba/uba_sbi.c')
-rw-r--r-- | sys/arch/vax/uba/uba_sbi.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/sys/arch/vax/uba/uba_sbi.c b/sys/arch/vax/uba/uba_sbi.c deleted file mode 100644 index f2c57de9ad8..00000000000 --- a/sys/arch/vax/uba/uba_sbi.c +++ /dev/null @@ -1,324 +0,0 @@ -/* $OpenBSD: uba_sbi.c,v 1.5 2008/08/18 23:09:42 miod Exp $ */ -/* $NetBSD: uba_sbi.c,v 1.1 1999/06/21 16:23:01 ragge Exp $ */ -/* - * Copyright (c) 1996 Jonathan Stone. - * Copyright (c) 1994, 1996 Ludd, University of Lule}, Sweden. - * Copyright (c) 1982, 1986 The Regents of the University of California. - * 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. 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. - * - * @(#)uba.c 7.10 (Berkeley) 12/16/90 - * @(#)autoconf.c 7.20 (Berkeley) 5/9/91 - */ - -#include <sys/param.h> -#include <sys/device.h> -#include <sys/systm.h> -#include <sys/kernel.h> - -#define _VAX_BUS_DMA_PRIVATE -#include <machine/bus.h> -#include <machine/mtpr.h> -#include <machine/nexus.h> -#include <machine/cpu.h> -#include <machine/sgmap.h> -#include <machine/scb.h> - -#include <arch/vax/qbus/ubavar.h> - -#include <arch/vax/uba/uba_common.h> - -/* Some SBI-specific defines */ -#define UBASIZE (UBAPAGES * VAX_NBPG) -#define UMEMA8600(i) (0x20100000+(i)*0x40000) -#define UMEMB8600(i) (0x22100000+(i)*0x40000) - -/* - * Some status registers. - */ -#define UBACNFGR_UBIC 0x00010000 /* unibus init complete */ -#define UBACNFGR_BITS \ -"\40\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT\30ADPDN\27ADPUP\23UBINIT\22UBPDN\21UBIC" - -#define UBACR_IFS 0x00000040 /* interrupt field switch */ -#define UBACR_BRIE 0x00000020 /* BR interrupt enable */ -#define UBACR_USEFIE 0x00000010 /* UNIBUS to SBI error field IE */ -#define UBACR_SUEFIE 0x00000008 /* SBI to UNIBUS error field IE */ -#define UBACR_ADINIT 0x00000001 /* adapter init */ - -#define UBADPR_BNE 0x80000000 /* buffer not empty - purge */ - -#define UBABRRVR_DIV 0x0000ffff /* device interrupt vector field */ - -#define UBASR_BITS \ -"\20\13RDTO\12RDS\11CRD\10CXTER\7CXTMO\6DPPE\5IVMR\4MRPF\3LEB\2UBSTO\1UBSSYNTO" - -char ubasr_bits[] = UBASR_BITS; - -/* - * The DW780 are directly connected to the SBI on 11/780 and 8600. - */ -static int dw780_match(struct device *, struct cfdata *, void *); -static void dw780_attach(struct device *, struct device *, void *); -static void dw780_init(struct uba_softc*); -static void dw780_beforescan(struct uba_softc *); -static void dw780_afterscan(struct uba_softc *); -static int dw780_errchk(struct uba_softc *); -static void uba_dw780int(int); -static void ubaerror(struct uba_softc *, int *, int *); -#ifdef notyet -static void dw780_purge(struct uba_softc *, int); -#endif - -struct cfattach uba_sbi_ca = { - sizeof(struct uba_vsoftc), dw780_match, dw780_attach -}; - -extern struct vax_bus_space vax_mem_bus_space; - -volatile int svec; - -int -dw780_match(parent, cf, aux) - struct device *parent; - struct cfdata *cf; - void *aux; -{ - struct sbi_attach_args *sa = (struct sbi_attach_args *)aux; - - if ((cf->cf_loc[0] != sa->nexnum) && (cf->cf_loc[0] > -1 )) - return 0; - /* - * The uba type is actually only telling where the uba - * space is in nexus space. - */ - if ((sa->type & ~3) != NEX_UBA0) - return 0; - - return 1; -} - -void -dw780_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct uba_vsoftc *sc = (void *)self; - struct sbi_attach_args *sa = aux; - int ubaddr = sa->type & 3; - int i; - - printf(": DW780\n"); - /* - * Fill in bus specific data. - */ - sc->uv_sc.uh_ubainit = dw780_init; -#ifdef notyet - sc->uv_sc.uh_ubapurge = dw780_purge; -#endif - sc->uv_sc.uh_beforescan = dw780_beforescan; - sc->uv_sc.uh_afterscan = dw780_afterscan; - sc->uv_sc.uh_errchk = dw780_errchk; - sc->uv_sc.uh_iot = &vax_mem_bus_space; - sc->uv_sc.uh_dmat = &sc->uv_dmat; - sc->uv_uba = (void *)sa->nexaddr; - sc->uh_ibase = VAX_NBPG + ubaddr * VAX_NBPG; - - /* - * Set up dispatch vectors for DW780. - */ - for (i = 0; i < 4; i++) - scb_vecalloc(256 + i * 64 + sa->nexnum * 4, uba_dw780int, - sc->uv_sc.uh_dev.dv_unit, SCB_ISTACK); - /* - * Fill in variables used by the sgmap system. - */ - sc->uv_size = UBASIZE; /* Size in bytes of Qbus space */ - sc->uv_addr = (paddr_t)sc->uv_uba->uba_map; - - uba_dma_init(sc); - uba_attach(&sc->uv_sc, (parent->dv_unit ? UMEMB8600(ubaddr) : - UMEMA8600(ubaddr)) + (UBAPAGES * VAX_NBPG)); -} - -void -dw780_beforescan(sc) - struct uba_softc *sc; -{ - struct uba_vsoftc *vc = (void *)sc; - volatile int *hej = &vc->uv_uba->uba_sr; - - *hej = *hej; - vc->uv_uba->uba_cr = UBACR_IFS|UBACR_BRIE; -} - -void -dw780_afterscan(sc) - struct uba_softc *sc; -{ - struct uba_vsoftc *vc = (void *)sc; - - vc->uv_uba->uba_cr = UBACR_IFS | UBACR_BRIE | - UBACR_USEFIE | UBACR_SUEFIE | - (vc->uv_uba->uba_cr & 0x7c000000); -} - - -int -dw780_errchk(sc) - struct uba_softc *sc; -{ - struct uba_vsoftc *vc = (void *)sc; - volatile int *hej = &vc->uv_uba->uba_sr; - - if (*hej) { - *hej = *hej; - return 1; - } - return 0; -} - -void -uba_dw780int(uba) - int uba; -{ - int br, vec, arg; - struct uba_vsoftc *vc = uba_cd.cd_devs[uba]; - struct uba_regs *ur = vc->uv_uba; - void (*func)(int); - - br = mfpr(PR_IPL); - vec = ur->uba_brrvr[br - 0x14]; - if (vec <= 0) { - ubaerror(&vc->uv_sc, &br, (int *)&vec); - if (svec == 0) - return; - } - if (cold) - scb_fake(vec + vc->uh_ibase, br); - else { - struct ivec_dsp *scb_vec = (struct ivec_dsp *)((int)scb + 512); - func = scb_vec[vec/4].hoppaddr; - arg = scb_vec[vec/4].pushlarg; - (*func)(arg); - scb_vec[vec/4].ev->ec_count++; - } -} - -void -dw780_init(sc) - struct uba_softc *sc; -{ - struct uba_vsoftc *vc = (void *)sc; - - vc->uv_uba->uba_cr = UBACR_ADINIT; - vc->uv_uba->uba_cr = UBACR_IFS|UBACR_BRIE|UBACR_USEFIE|UBACR_SUEFIE; - while ((vc->uv_uba->uba_cnfgr & UBACNFGR_UBIC) == 0) - ; -} - -#ifdef notyet -void -dw780_purge(sc, bdp) - struct uba_softc *sc; - int bdp; -{ - struct uba_vsoftc *vc = (void *)sc; - - vc->uv_uba->uba_dpr[bdp] |= UBADPR_BNE; -} -#endif - -int ubawedgecnt = 10; -int ubacrazy = 500; -int zvcnt_max = 5000; /* in 8 sec */ -int ubaerrcnt; -/* - * This routine is called by the locore code to process a UBA - * error on an 11/780 or 8600. The arguments are passed - * on the stack, and value-result (through some trickery). - * In particular, the uvec argument is used for further - * uba processing so the result aspect of it is very important. - * It must not be declared register. - */ -/*ARGSUSED*/ -void -ubaerror(uh, ipl, uvec) - register struct uba_softc *uh; - int *ipl, *uvec; -{ - struct uba_vsoftc *vc = (void *)uh; - struct uba_regs *uba = vc->uv_uba; - register int sr, s; - - if (*uvec == 0) { - /* - * Declare dt as unsigned so that negative values - * are handled as >8 below, in case time was set back. - */ - u_long dt = time.tv_sec - vc->uh_zvtime; - - vc->uh_zvtotal++; - if (dt > 8) { - vc->uh_zvtime = time.tv_sec; - vc->uh_zvcnt = 0; - } - if (++vc->uh_zvcnt > zvcnt_max) { - printf("%s: too many zero vectors (%d in <%d sec)\n", - vc->uv_sc.uh_dev.dv_xname, vc->uh_zvcnt, (int)dt + 1); - printf("\tIPL 0x%x\n\tcnfgr: %b Adapter Code: 0x%x\n", - *ipl, uba->uba_cnfgr&(~0xff), UBACNFGR_BITS, - uba->uba_cnfgr&0xff); - printf("\tsr: %b\n\tdcr: %x (MIC %sOK)\n", - uba->uba_sr, ubasr_bits, uba->uba_dcr, - (uba->uba_dcr&0x8000000)?"":"NOT "); - ubareset(vc->uv_sc.uh_dev.dv_unit); - } - return; - } - if (uba->uba_cnfgr & NEX_CFGFLT) { - printf("%s: sbi fault sr=%b cnfgr=%b\n", - vc->uv_sc.uh_dev.dv_xname, uba->uba_sr, ubasr_bits, - uba->uba_cnfgr, NEXFLT_BITS); - ubareset(vc->uv_sc.uh_dev.dv_unit); - *uvec = 0; - return; - } - sr = uba->uba_sr; - s = spluba(); - printf("%s: uba error sr=%b fmer=%x fubar=%o\n", vc->uv_sc.uh_dev.dv_xname, - uba->uba_sr, ubasr_bits, uba->uba_fmer, 4*uba->uba_fubar); - splx(s); - uba->uba_sr = sr; - *uvec &= UBABRRVR_DIV; - if (++ubaerrcnt % ubawedgecnt == 0) { - if (ubaerrcnt > ubacrazy) - panic("uba crazy"); - printf("ERROR LIMIT "); - ubareset(vc->uv_sc.uh_dev.dv_unit); - *uvec = 0; - } -} |