UBA converted to new config. (uba's now can be *'ed). Bug causing
DMA writes to nonexistent memory pages fixed. Code for old config of non-mass-storage devices removed. (they now must use new config).
This commit is contained in:
ragge
parent
34527405c3
commit
2e654caa73
@ -1,4 +1,4 @@
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/* $NetBSD: uba.c,v 1.9 1995/11/10 19:25:49 ragge Exp $ */
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/* $NetBSD: uba.c,v 1.10 1995/12/01 19:22:56 ragge Exp $ */
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/*
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* Copyright (c) 1982, 1986 The Regents of the University of California.
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@ -37,8 +37,6 @@
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* @(#)autoconf.c 7.20 (Berkeley) 5/9/91
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*/
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/* All bugs are subject to removal without further notice */
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#include "sys/param.h"
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#include "sys/types.h"
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#include "sys/time.h"
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@ -75,6 +73,8 @@ volatile int rbr,rcvec;
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int uba_match __P((struct device *, void *, void *));
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void uba_attach __P((struct device *, struct device *, void *));
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void ubascan __P((struct device *, void *));
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int ubaprint __P((void *, char *));
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struct cfdriver ubacd = {
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NULL, "uba", uba_match, uba_attach, DV_DULL,
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@ -82,7 +82,7 @@ struct cfdriver ubacd = {
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};
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#ifdef 0
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/*
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* Mark addresses starting at "addr" and continuing
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* "size" bytes as allocated in the map "ualloc".
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@ -107,7 +107,7 @@ csralloc(ualloc, addr, size)
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*p = 1;
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}
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}
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#endif
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/*
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* Stray interrupt vector handler, used when nowhere else to
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* go to.
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@ -154,7 +154,7 @@ unifind(uhp0, pumem)
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#if DW780 || DWBUA
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struct uba_regs *vubp = uhp->uh_uba;
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#endif
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#if 0
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/*
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* Initialize the UNIBUS, by freeing the map
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* registers and the buffered data path registers
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@ -213,7 +213,7 @@ unifind(uhp0, pumem)
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* output to produce an interrupt.
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*/
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*(int *)(&uhp->uh_mr[0]) = UBAMR_MRV;
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#endif
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#define ubaddr(uhp, off) (u_short *)((int)(uhp)->uh_iopage + ubdevreg(off))
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/*
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* Check each unibus mass storage controller.
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@ -233,9 +233,10 @@ unifind(uhp0, pumem)
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* in the driver til we find it
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*/
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for (ap = udp->ud_addr; addr || (addr = *ap++); addr = 0) {
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#if 0
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if (ualloc[ubdevreg(addr)])
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continue;
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#endif
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reg = ubaddr(uhp, addr);
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if (badaddr((caddr_t)reg, 2))
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@ -268,13 +269,15 @@ unifind(uhp0, pumem)
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continue;
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}
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printf("vec %o, ipl %x\n", rcvec << 2, rbr);
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#if 0
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csralloc(ualloc, addr, i);
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#endif
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um->um_alive = 1;
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um->um_ubanum = uhp->uh_dev.dv_unit;
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um->um_hd = uhp;
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um->um_addr = (caddr_t)reg;
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udp->ud_minfo[um->um_ctlr] = um;
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uhp->uh_idsp[rcvec].hoppaddr = (unsigned)um->um_intr;
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uhp->uh_idsp[rcvec].hoppaddr = um->um_intr;
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uhp->uh_idsp[rcvec].pushlarg = um->um_ctlr;
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for (ui = ubdinit; ui->ui_driver; ui++) {
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int t;
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@ -311,99 +314,9 @@ unifind(uhp0, pumem)
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break;
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}
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}
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/*
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* Now look for non-mass storage peripherals.
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*/
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for (ui = ubdinit; udp = ui->ui_driver; ui++) {
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if (ui->ui_ubanum != uhp->uh_dev.dv_unit && ui->ui_ubanum != '?' ||
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ui->ui_alive || ui->ui_slave != -1)
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continue;
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addr = (u_short)(u_long)ui->ui_addr;
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for (ap = udp->ud_addr; addr || (addr = *ap++); addr = 0) {
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if (ualloc[ubdevreg(addr)])
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continue;
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reg = ubaddr(uhp, addr);
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if (badaddr((caddr_t)reg, 2))
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continue;
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#ifdef DW780
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if (uhp->uh_type == DW780 && vubp->uba_sr) {
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vubp->uba_sr = vubp->uba_sr;
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continue;
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}
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#endif
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rcvec = 0x200;
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i = (*udp->ud_probe)(reg, ui);
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#ifdef DW780
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if (uhp->uh_type == DW780 && vubp->uba_sr) {
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vubp->uba_sr = vubp->uba_sr;
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continue;
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}
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#endif
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if (i == 0)
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continue;
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printf("%s%d at uba%d csr %o ", ui->ui_driver->ud_dname,
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ui->ui_unit, uhp->uh_dev.dv_unit, addr);
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if (rcvec == 0) {
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printf("zero vector\n");
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continue;
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}
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if (rcvec == 0x200) {
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printf("didn't interrupt\n");
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continue;
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}
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printf("vec %o, ipl %x\n", rcvec << 2, rbr);
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csralloc(ualloc, addr, i);
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ui->ui_hd = uhp;
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uhp->uh_idsp[rcvec].hoppaddr = (unsigned)ui->ui_intr;
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uhp->uh_idsp[rcvec].pushlarg = ui->ui_unit;
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ui->ui_alive = 1;
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ui->ui_ubanum = uhp->uh_dev.dv_unit;
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ui->ui_addr = (caddr_t)reg;
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ui->ui_physaddr = pumem + ubdevreg(addr);
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ui->ui_dk = -1;
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/* ui_type comes from driver */
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udp->ud_dinfo[ui->ui_unit] = ui;
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(*udp->ud_attach)(ui);
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break;
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}
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}
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#ifdef DW780
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if (uhp->uh_type == DW780)
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uhp->uh_uba->uba_cr = UBACR_IFS | UBACR_BRIE |
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UBACR_USEFIE | UBACR_SUEFIE |
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(uhp->uh_uba->uba_cr & 0x7c000000);
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#endif
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#ifdef AUTO_DEBUG
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printf("Unibus allocation map");
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for (i = 0; i < 8*1024; ) {
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register n, m;
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if ((i % 128) == 0) {
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printf("\n%6o:", i);
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for (n = 0; n < 128; n++)
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if (ualloc[i+n])
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break;
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if (n == 128) {
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i += 128;
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continue;
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}
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}
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for (n = m = 0; n < 16; n++) {
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m <<= 1;
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m |= ualloc[i++];
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}
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printf(" %4x", m);
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}
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printf("\n");
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#endif
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#if 0
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free(ualloc, M_TEMP);
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#endif
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}
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@ -513,7 +426,10 @@ ubadone(um)
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* Return value encodes map register plus page offset,
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* bdp number and number of map registers.
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*/
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ubasetup(int uban,struct buf *bp,int flags) {
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ubasetup(uban, bp, flags)
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struct buf *bp;
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int uban, flags;
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{
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struct uba_softc *uh = ubacd.cd_devs[uban];
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struct pte *pte, *io;
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int npf;
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@ -575,32 +491,33 @@ ubasetup(int uban,struct buf *bp,int flags) {
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temp |= UBAMR_BO;
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if ((bp->b_flags & B_PHYS) == 0)
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pte = (struct pte *)kvtopte(bp->b_un.b_addr);
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else if (bp->b_flags & B_PAGET) {
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panic("ubasetup: B_PAGET");
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} else {
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if( bp->b_flags&B_DIRTY){
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rp=&pageproc[2];
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panic("ubasetup: B_DIRTY");
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} else {
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rp =bp->b_proc;
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}
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v = btop((u_int)bp->b_un.b_addr&0x3fffffff);
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if (bp->b_flags & B_UAREA){
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panic("ubasetup: B_UAREA");
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} else {
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/*
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* It may be better to use pmap_extract() here somewhere,
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* but so far we do it "the hard way" :)
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*/
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u_int *hej;
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else {
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u_int *hej, i;
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if(((u_int)bp->b_un.b_addr<0x40000000)||
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((u_int)bp->b_un.b_addr>0x7fffffff)){
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hej=rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
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} else {
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hej=rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
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rp = bp->b_proc;
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v = btop((u_int)bp->b_un.b_addr&0x3fffffff);
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/*
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* It may be better to use pmap_extract() here
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* somewhere, but so far we do it "the hard way" :)
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*/
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if (((u_int)bp->b_un.b_addr < 0x40000000) ||
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((u_int)bp->b_un.b_addr > 0x7fffffff))
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hej = rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
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else
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hej = rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
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pte = (struct pte *)&hej[v];
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for (i = 0; i < (npf - 1); i++) {
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if ((pte + i)->pg_pfn == 0) {
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int rv;
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rv = vm_fault(&rp->p_vmspace->vm_map,
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(u_int)bp->b_un.b_addr + i * NBPG,
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VM_PROT_READ, FALSE);
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if (rv)
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panic("DMA to nonexistent page");
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}
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pte=(struct pte*)&hej[v];
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}
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}
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io = &uh->uh_mr[reg];
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@ -618,7 +535,10 @@ ubasetup(int uban,struct buf *bp,int flags) {
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/*
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* Non buffer setup interface... set up a buffer and call ubasetup.
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*/
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uballoc(int uban,caddr_t addr,int bcnt,int flags) {
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uballoc(uban, addr, bcnt, flags)
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caddr_t addr;
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int uban, bcnt, flags;
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{
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struct buf ubabuf;
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ubabuf.b_un.b_addr = addr;
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@ -634,7 +554,7 @@ uballoc(int uban,caddr_t addr,int bcnt,int flags) {
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* against uba resets on 11/780's.
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*/
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ubarelse(uban, amr)
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int *amr;
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int uban, *amr;
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{
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register struct uba_softc *uh = ubacd.cd_devs[uban];
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register int bdp, reg, npf, s;
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@ -786,8 +706,10 @@ ubareset(uban)
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wakeup((caddr_t)&uh->uh_bdpwant);
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wakeup((caddr_t)&uh->uh_mrwant);
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printf("uba%d: reset", uban);
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ubainit(uh->uh_uba);
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ubainit(uh);
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#ifdef notyet
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ubameminit(uban);
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#endif
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/* XXX - ???
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* Intressant, vi m}ste l|sa det h{r med ubareset() p} n}t smart
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* s{tt. En l{nkad lista som s{tts upp vid autoconfiggen? Kanske.
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@ -795,6 +717,7 @@ ubareset(uban)
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* ren sm|rja den gamla koden. F}r peturba lite mer docs...
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* 950428/Ragge
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*/
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udareset(0); /* XXX */
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/* for (cdp = cdevsw; cdp < cdevsw + nchrdev; cdp++)
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(*cdp->d_reset)(uban);
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ifubareset(uban);
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@ -810,39 +733,17 @@ ubareset(uban)
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* In these cases we really don't need the interrupts
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* enabled, but since we run with ipl high, we don't care
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* if they are, they will never happen anyways.
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* SHOULD GET POINTER TO UBA_HD INSTEAD OF UBA.
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*/
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ubainit(uba)
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register struct uba_regs *uba;
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void
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ubainit(uhp)
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struct uba_softc *uhp;
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{
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register struct uba_softc *uhp;
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#ifdef QBA
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int isphys = 0;
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#endif
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panic("ubainit");
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#if 0
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for (uhp = uba_hd; uhp < uba_hd + numuba; uhp++) {
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if (uhp->uh_uba == uba)
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break;
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if (uhp->uh_physuba == uba) {
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#ifdef QBA
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isphys++;
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#endif
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break;
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}
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}
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if (uhp >= uba_hd + numuba) {
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printf("init unknown uba\n");
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return;
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}
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#endif
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switch (uhp->uh_type) {
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#ifdef DWBUA
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case DWBUA:
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BUA(uba)->bua_csr |= BUACSR_UPI;
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/* give devices time to recover from power fail */
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waitabit(500);
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DELAY(500000);
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break;
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#endif
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#ifdef DW780
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@ -865,22 +766,18 @@ panic("ubainit");
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#if DW750 || DW730 || QBA
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mtpr(0, PR_IUR);
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/* give devices time to recover from power fail */
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#if 0
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/* THIS IS PROBABLY UNNECESSARY */
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waitabit(50);
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DELAY(500000);
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/* END PROBABLY UNNECESSARY */
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#endif
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#ifdef QBA
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/*
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* Re-enable local memory access
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* from the Q-bus.
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*/
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if (uhp->uh_type == QBA) {
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if (isphys)
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*((char *)QIOPAGE630 + QIPCR) = Q_LMEAE;
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else
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*(uhp->uh_iopage + QIPCR) = Q_LMEAE;
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}
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if (uhp->uh_type == QBA)
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*((u_short *)(uhp->uh_iopage + QIPCR)) = Q_LMEAE;
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#endif QBA
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break;
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#endif DW750 || DW730 || QBA
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@ -994,6 +891,7 @@ ubaerror(uban, uh, ipl, uvec, uba)
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* configured (has no csr or interrupt, so doesn't need to be probed),
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* and -1 on failure.
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*/
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#ifdef notyet
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ubameminit(uban)
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{
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register struct uba_device *ui;
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@ -1039,6 +937,7 @@ jdhfgsjdkfhgsdjkfghak
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}
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#endif
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}
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#endif
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rmget(){
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showstate(curproc);
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@ -1168,6 +1067,9 @@ uba_attach(parent, self, aux)
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struct uba_regs *ubar = (struct uba_regs *)sa->nexaddr;
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struct uba_softc *sc = (struct uba_softc *)self;
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vm_offset_t min, max, ubaphys, ubaiophys;
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#if DW780 || DWBUA
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struct uba_regs *vubp = sc->uh_uba;
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#endif
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void ubascan();
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printf("\n");
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@ -1200,7 +1102,7 @@ uba_attach(parent, self, aux)
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bcopy(&idsptch, &sc->uh_idsp[i],
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sizeof(struct ivec_dsp));
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sc->uh_idsp[i].pushlarg = sa->nexinfo;
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sc->uh_idsp[i].hoppaddr = (unsigned int)ubastray;
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sc->uh_idsp[i].hoppaddr = ubastray;
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sc->uh_iarea[i] = (unsigned int)&sc->uh_idsp[i];
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}
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}
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@ -1243,11 +1145,125 @@ uba_attach(parent, self, aux)
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if (cpu_type == VAX_630)
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*((u_short *)(sc->uh_iopage + QIPCR)) = Q_LMEAE;
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#endif
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/*
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* Initialize the UNIBUS, by freeing the map
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* registers and the buffered data path registers
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*/
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sc->uh_map = (struct map *)malloc((u_long)
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(UAMSIZ * sizeof(struct map)), M_DEVBUF, M_NOWAIT);
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bzero((caddr_t)sc->uh_map, (unsigned)(UAMSIZ * sizeof (struct map)));
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ubainitmaps(sc);
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#ifdef notyet
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config_scan(ubascan,self);
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#else
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unifind(sc, ubaiophys);
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/*
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* Set last free interrupt vector for devices with
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* programmable interrupt vectors. Use is to decrement
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* this number and use result as interrupt vector.
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*/
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sc->uh_lastiv = 0x200;
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#ifdef DWBUA
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if (uhp->uh_type == DWBUA)
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BUA(vubp)->bua_offset = (int)uhp->uh_vec - (int)&scb[0];
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#endif
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#ifdef DW780
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if (uhp->uh_type == DW780) {
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vubp->uba_sr = vubp->uba_sr;
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vubp->uba_cr = UBACR_IFS|UBACR_BRIE;
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}
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#endif
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#ifdef notyet
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/*
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* First configure devices that have unibus memory,
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* allowing them to allocate the correct map registers.
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*/
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ubameminit(uhp->uh_dev.dv_unit);
|
||||
#endif
|
||||
/*
|
||||
* Map the first page of UNIBUS i/o space to the first page of memory
|
||||
* for devices which will need to dma output to produce an interrupt.
|
||||
* ??? - Why? This is rpb page... /ragge
|
||||
*/
|
||||
*(int *)(&sc->uh_mr[0]) = UBAMR_MRV;
|
||||
|
||||
/*
|
||||
* Now start searching for devices.
|
||||
*/
|
||||
unifind(sc, ubaiophys); /* Some devices are not yet converted */
|
||||
config_scan(ubascan,self);
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780)
|
||||
uhp->uh_uba->uba_cr = UBACR_IFS | UBACR_BRIE |
|
||||
UBACR_USEFIE | UBACR_SUEFIE |
|
||||
(uhp->uh_uba->uba_cr & 0x7c000000);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
ubascan(parent, match)
|
||||
struct device *parent;
|
||||
void *match;
|
||||
{
|
||||
struct device *dev = match;
|
||||
struct cfdata *cf = dev->dv_cfdata;
|
||||
struct uba_softc *sc = (struct uba_softc *)parent;
|
||||
struct uba_attach_args ua;
|
||||
int i;
|
||||
|
||||
ua.ua_addr = (caddr_t)ubaddr(sc, cf->cf_loc[0]);
|
||||
|
||||
if (badaddr(ua.ua_addr, 2))
|
||||
goto forgetit;
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
rcvec = 0x200;
|
||||
i = (*cf->cf_driver->cd_match) (parent, dev, &ua);
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
if (i == 0)
|
||||
goto forgetit;
|
||||
|
||||
if (rcvec == 0 || rcvec == 0x200)
|
||||
goto fail;
|
||||
|
||||
sc->uh_idsp[rcvec].hoppaddr = ua.ua_ivec;
|
||||
sc->uh_idsp[rcvec].pushlarg = ua.ua_iarg;
|
||||
ua.ua_br = rbr;
|
||||
ua.ua_cvec = rcvec;
|
||||
ua.ua_iaddr = dev->dv_cfdata->cf_loc[0];
|
||||
|
||||
config_attach(parent, dev, &ua, ubaprint);
|
||||
return;
|
||||
|
||||
fail:
|
||||
printf("%s at %s csr %o %s\n", dev->dv_cfdata->cf_driver->cd_name,
|
||||
parent->dv_xname, dev->dv_cfdata->cf_loc[0] << 2,
|
||||
rcvec ? "didn't interrupt\n" : "zero vector\n");
|
||||
|
||||
forgetit:
|
||||
free(dev, M_DEVBUF);
|
||||
}
|
||||
|
||||
int
|
||||
ubaprint(aux, uba)
|
||||
void *aux;
|
||||
char *uba;
|
||||
{
|
||||
struct uba_attach_args *ua = aux;
|
||||
|
||||
printf(" csr %o vec %o ipl %x", ua->ua_iaddr,
|
||||
ua->ua_cvec << 2, ua->ua_br);
|
||||
return UNCONF;
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: ubavar.h,v 1.7 1995/11/10 19:25:51 ragge Exp $ */
|
||||
/* $NetBSD: ubavar.h,v 1.8 1995/12/01 19:23:01 ragge Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1982, 1986 Regents of the University of California.
|
||||
@ -44,8 +44,6 @@
|
||||
* Each unibus device has a uba_device structure.
|
||||
*/
|
||||
|
||||
#ifndef LOCORE
|
||||
|
||||
#include "sys/buf.h"
|
||||
#include "sys/device.h"
|
||||
/*
|
||||
@ -186,7 +184,19 @@ struct uba_driver {
|
||||
short ud_keepbdp; /* hang on to bdp's once allocated */
|
||||
int (*ud_ubamem)(); /* see if dedicated memory is present */
|
||||
};
|
||||
#endif
|
||||
|
||||
/*
|
||||
* uba_attach_args is used during autoconfiguration. It is sent
|
||||
* from ubascan() to each (possible) device.
|
||||
*/
|
||||
struct uba_attach_args {
|
||||
caddr_t ua_addr;
|
||||
void (*ua_ivec)();
|
||||
int ua_iarg;
|
||||
int ua_iaddr;
|
||||
int ua_br;
|
||||
int ua_cvec;
|
||||
};
|
||||
|
||||
/*
|
||||
* Flags to UBA map/bdp allocation routines
|
||||
@ -234,5 +244,7 @@ extern struct uba_device ubdinit[];
|
||||
|
||||
extern struct cfdriver ubacd;
|
||||
|
||||
void ubainit __P((struct uba_softc *));
|
||||
|
||||
#endif /* _KERNEL */
|
||||
#endif !LOCORE
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: uba.c,v 1.9 1995/11/10 19:25:49 ragge Exp $ */
|
||||
/* $NetBSD: uba.c,v 1.10 1995/12/01 19:22:56 ragge Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1982, 1986 The Regents of the University of California.
|
||||
@ -37,8 +37,6 @@
|
||||
* @(#)autoconf.c 7.20 (Berkeley) 5/9/91
|
||||
*/
|
||||
|
||||
/* All bugs are subject to removal without further notice */
|
||||
|
||||
#include "sys/param.h"
|
||||
#include "sys/types.h"
|
||||
#include "sys/time.h"
|
||||
@ -75,6 +73,8 @@ volatile int rbr,rcvec;
|
||||
|
||||
int uba_match __P((struct device *, void *, void *));
|
||||
void uba_attach __P((struct device *, struct device *, void *));
|
||||
void ubascan __P((struct device *, void *));
|
||||
int ubaprint __P((void *, char *));
|
||||
|
||||
struct cfdriver ubacd = {
|
||||
NULL, "uba", uba_match, uba_attach, DV_DULL,
|
||||
@ -82,7 +82,7 @@ struct cfdriver ubacd = {
|
||||
};
|
||||
|
||||
|
||||
|
||||
#ifdef 0
|
||||
/*
|
||||
* Mark addresses starting at "addr" and continuing
|
||||
* "size" bytes as allocated in the map "ualloc".
|
||||
@ -107,7 +107,7 @@ csralloc(ualloc, addr, size)
|
||||
*p = 1;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
/*
|
||||
* Stray interrupt vector handler, used when nowhere else to
|
||||
* go to.
|
||||
@ -154,7 +154,7 @@ unifind(uhp0, pumem)
|
||||
#if DW780 || DWBUA
|
||||
struct uba_regs *vubp = uhp->uh_uba;
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* Initialize the UNIBUS, by freeing the map
|
||||
* registers and the buffered data path registers
|
||||
@ -213,7 +213,7 @@ unifind(uhp0, pumem)
|
||||
* output to produce an interrupt.
|
||||
*/
|
||||
*(int *)(&uhp->uh_mr[0]) = UBAMR_MRV;
|
||||
|
||||
#endif
|
||||
#define ubaddr(uhp, off) (u_short *)((int)(uhp)->uh_iopage + ubdevreg(off))
|
||||
/*
|
||||
* Check each unibus mass storage controller.
|
||||
@ -233,9 +233,10 @@ unifind(uhp0, pumem)
|
||||
* in the driver til we find it
|
||||
*/
|
||||
for (ap = udp->ud_addr; addr || (addr = *ap++); addr = 0) {
|
||||
|
||||
#if 0
|
||||
if (ualloc[ubdevreg(addr)])
|
||||
continue;
|
||||
#endif
|
||||
reg = ubaddr(uhp, addr);
|
||||
|
||||
if (badaddr((caddr_t)reg, 2))
|
||||
@ -268,13 +269,15 @@ unifind(uhp0, pumem)
|
||||
continue;
|
||||
}
|
||||
printf("vec %o, ipl %x\n", rcvec << 2, rbr);
|
||||
#if 0
|
||||
csralloc(ualloc, addr, i);
|
||||
#endif
|
||||
um->um_alive = 1;
|
||||
um->um_ubanum = uhp->uh_dev.dv_unit;
|
||||
um->um_hd = uhp;
|
||||
um->um_addr = (caddr_t)reg;
|
||||
udp->ud_minfo[um->um_ctlr] = um;
|
||||
uhp->uh_idsp[rcvec].hoppaddr = (unsigned)um->um_intr;
|
||||
uhp->uh_idsp[rcvec].hoppaddr = um->um_intr;
|
||||
uhp->uh_idsp[rcvec].pushlarg = um->um_ctlr;
|
||||
for (ui = ubdinit; ui->ui_driver; ui++) {
|
||||
int t;
|
||||
@ -311,99 +314,9 @@ unifind(uhp0, pumem)
|
||||
break;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Now look for non-mass storage peripherals.
|
||||
*/
|
||||
for (ui = ubdinit; udp = ui->ui_driver; ui++) {
|
||||
if (ui->ui_ubanum != uhp->uh_dev.dv_unit && ui->ui_ubanum != '?' ||
|
||||
ui->ui_alive || ui->ui_slave != -1)
|
||||
continue;
|
||||
addr = (u_short)(u_long)ui->ui_addr;
|
||||
|
||||
for (ap = udp->ud_addr; addr || (addr = *ap++); addr = 0) {
|
||||
|
||||
if (ualloc[ubdevreg(addr)])
|
||||
continue;
|
||||
reg = ubaddr(uhp, addr);
|
||||
if (badaddr((caddr_t)reg, 2))
|
||||
continue;
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
rcvec = 0x200;
|
||||
i = (*udp->ud_probe)(reg, ui);
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
if (i == 0)
|
||||
continue;
|
||||
printf("%s%d at uba%d csr %o ", ui->ui_driver->ud_dname,
|
||||
ui->ui_unit, uhp->uh_dev.dv_unit, addr);
|
||||
if (rcvec == 0) {
|
||||
printf("zero vector\n");
|
||||
continue;
|
||||
}
|
||||
if (rcvec == 0x200) {
|
||||
printf("didn't interrupt\n");
|
||||
continue;
|
||||
}
|
||||
printf("vec %o, ipl %x\n", rcvec << 2, rbr);
|
||||
csralloc(ualloc, addr, i);
|
||||
ui->ui_hd = uhp;
|
||||
uhp->uh_idsp[rcvec].hoppaddr = (unsigned)ui->ui_intr;
|
||||
uhp->uh_idsp[rcvec].pushlarg = ui->ui_unit;
|
||||
|
||||
ui->ui_alive = 1;
|
||||
ui->ui_ubanum = uhp->uh_dev.dv_unit;
|
||||
ui->ui_addr = (caddr_t)reg;
|
||||
ui->ui_physaddr = pumem + ubdevreg(addr);
|
||||
ui->ui_dk = -1;
|
||||
/* ui_type comes from driver */
|
||||
udp->ud_dinfo[ui->ui_unit] = ui;
|
||||
(*udp->ud_attach)(ui);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780)
|
||||
uhp->uh_uba->uba_cr = UBACR_IFS | UBACR_BRIE |
|
||||
UBACR_USEFIE | UBACR_SUEFIE |
|
||||
(uhp->uh_uba->uba_cr & 0x7c000000);
|
||||
#endif
|
||||
|
||||
#ifdef AUTO_DEBUG
|
||||
printf("Unibus allocation map");
|
||||
for (i = 0; i < 8*1024; ) {
|
||||
register n, m;
|
||||
|
||||
if ((i % 128) == 0) {
|
||||
printf("\n%6o:", i);
|
||||
for (n = 0; n < 128; n++)
|
||||
if (ualloc[i+n])
|
||||
break;
|
||||
if (n == 128) {
|
||||
i += 128;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
for (n = m = 0; n < 16; n++) {
|
||||
m <<= 1;
|
||||
m |= ualloc[i++];
|
||||
}
|
||||
|
||||
printf(" %4x", m);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
#if 0
|
||||
free(ualloc, M_TEMP);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@ -513,7 +426,10 @@ ubadone(um)
|
||||
* Return value encodes map register plus page offset,
|
||||
* bdp number and number of map registers.
|
||||
*/
|
||||
ubasetup(int uban,struct buf *bp,int flags) {
|
||||
ubasetup(uban, bp, flags)
|
||||
struct buf *bp;
|
||||
int uban, flags;
|
||||
{
|
||||
struct uba_softc *uh = ubacd.cd_devs[uban];
|
||||
struct pte *pte, *io;
|
||||
int npf;
|
||||
@ -575,32 +491,33 @@ ubasetup(int uban,struct buf *bp,int flags) {
|
||||
temp |= UBAMR_BO;
|
||||
if ((bp->b_flags & B_PHYS) == 0)
|
||||
pte = (struct pte *)kvtopte(bp->b_un.b_addr);
|
||||
else if (bp->b_flags & B_PAGET) {
|
||||
panic("ubasetup: B_PAGET");
|
||||
} else {
|
||||
if( bp->b_flags&B_DIRTY){
|
||||
rp=&pageproc[2];
|
||||
panic("ubasetup: B_DIRTY");
|
||||
} else {
|
||||
rp =bp->b_proc;
|
||||
}
|
||||
v = btop((u_int)bp->b_un.b_addr&0x3fffffff);
|
||||
if (bp->b_flags & B_UAREA){
|
||||
panic("ubasetup: B_UAREA");
|
||||
} else {
|
||||
/*
|
||||
* It may be better to use pmap_extract() here somewhere,
|
||||
* but so far we do it "the hard way" :)
|
||||
*/
|
||||
u_int *hej;
|
||||
else {
|
||||
u_int *hej, i;
|
||||
|
||||
if(((u_int)bp->b_un.b_addr<0x40000000)||
|
||||
((u_int)bp->b_un.b_addr>0x7fffffff)){
|
||||
hej=rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
|
||||
} else {
|
||||
hej=rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
|
||||
rp = bp->b_proc;
|
||||
v = btop((u_int)bp->b_un.b_addr&0x3fffffff);
|
||||
|
||||
/*
|
||||
* It may be better to use pmap_extract() here
|
||||
* somewhere, but so far we do it "the hard way" :)
|
||||
*/
|
||||
if (((u_int)bp->b_un.b_addr < 0x40000000) ||
|
||||
((u_int)bp->b_un.b_addr > 0x7fffffff))
|
||||
hej = rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
|
||||
else
|
||||
hej = rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
|
||||
|
||||
pte = (struct pte *)&hej[v];
|
||||
for (i = 0; i < (npf - 1); i++) {
|
||||
if ((pte + i)->pg_pfn == 0) {
|
||||
int rv;
|
||||
|
||||
rv = vm_fault(&rp->p_vmspace->vm_map,
|
||||
(u_int)bp->b_un.b_addr + i * NBPG,
|
||||
VM_PROT_READ, FALSE);
|
||||
if (rv)
|
||||
panic("DMA to nonexistent page");
|
||||
}
|
||||
pte=(struct pte*)&hej[v];
|
||||
}
|
||||
}
|
||||
io = &uh->uh_mr[reg];
|
||||
@ -618,7 +535,10 @@ ubasetup(int uban,struct buf *bp,int flags) {
|
||||
/*
|
||||
* Non buffer setup interface... set up a buffer and call ubasetup.
|
||||
*/
|
||||
uballoc(int uban,caddr_t addr,int bcnt,int flags) {
|
||||
uballoc(uban, addr, bcnt, flags)
|
||||
caddr_t addr;
|
||||
int uban, bcnt, flags;
|
||||
{
|
||||
struct buf ubabuf;
|
||||
|
||||
ubabuf.b_un.b_addr = addr;
|
||||
@ -634,7 +554,7 @@ uballoc(int uban,caddr_t addr,int bcnt,int flags) {
|
||||
* against uba resets on 11/780's.
|
||||
*/
|
||||
ubarelse(uban, amr)
|
||||
int *amr;
|
||||
int uban, *amr;
|
||||
{
|
||||
register struct uba_softc *uh = ubacd.cd_devs[uban];
|
||||
register int bdp, reg, npf, s;
|
||||
@ -786,8 +706,10 @@ ubareset(uban)
|
||||
wakeup((caddr_t)&uh->uh_bdpwant);
|
||||
wakeup((caddr_t)&uh->uh_mrwant);
|
||||
printf("uba%d: reset", uban);
|
||||
ubainit(uh->uh_uba);
|
||||
ubainit(uh);
|
||||
#ifdef notyet
|
||||
ubameminit(uban);
|
||||
#endif
|
||||
/* XXX - ???
|
||||
* Intressant, vi m}ste l|sa det h{r med ubareset() p} n}t smart
|
||||
* s{tt. En l{nkad lista som s{tts upp vid autoconfiggen? Kanske.
|
||||
@ -795,6 +717,7 @@ ubareset(uban)
|
||||
* ren sm|rja den gamla koden. F}r peturba lite mer docs...
|
||||
* 950428/Ragge
|
||||
*/
|
||||
udareset(0); /* XXX */
|
||||
/* for (cdp = cdevsw; cdp < cdevsw + nchrdev; cdp++)
|
||||
(*cdp->d_reset)(uban);
|
||||
ifubareset(uban);
|
||||
@ -810,39 +733,17 @@ ubareset(uban)
|
||||
* In these cases we really don't need the interrupts
|
||||
* enabled, but since we run with ipl high, we don't care
|
||||
* if they are, they will never happen anyways.
|
||||
* SHOULD GET POINTER TO UBA_HD INSTEAD OF UBA.
|
||||
*/
|
||||
ubainit(uba)
|
||||
register struct uba_regs *uba;
|
||||
void
|
||||
ubainit(uhp)
|
||||
struct uba_softc *uhp;
|
||||
{
|
||||
register struct uba_softc *uhp;
|
||||
#ifdef QBA
|
||||
int isphys = 0;
|
||||
#endif
|
||||
panic("ubainit");
|
||||
#if 0
|
||||
for (uhp = uba_hd; uhp < uba_hd + numuba; uhp++) {
|
||||
if (uhp->uh_uba == uba)
|
||||
break;
|
||||
if (uhp->uh_physuba == uba) {
|
||||
#ifdef QBA
|
||||
isphys++;
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (uhp >= uba_hd + numuba) {
|
||||
printf("init unknown uba\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
switch (uhp->uh_type) {
|
||||
#ifdef DWBUA
|
||||
case DWBUA:
|
||||
BUA(uba)->bua_csr |= BUACSR_UPI;
|
||||
/* give devices time to recover from power fail */
|
||||
waitabit(500);
|
||||
DELAY(500000);
|
||||
break;
|
||||
#endif
|
||||
#ifdef DW780
|
||||
@ -865,22 +766,18 @@ panic("ubainit");
|
||||
#if DW750 || DW730 || QBA
|
||||
mtpr(0, PR_IUR);
|
||||
/* give devices time to recover from power fail */
|
||||
#if 0
|
||||
|
||||
/* THIS IS PROBABLY UNNECESSARY */
|
||||
waitabit(50);
|
||||
DELAY(500000);
|
||||
/* END PROBABLY UNNECESSARY */
|
||||
#endif
|
||||
|
||||
#ifdef QBA
|
||||
/*
|
||||
* Re-enable local memory access
|
||||
* from the Q-bus.
|
||||
*/
|
||||
if (uhp->uh_type == QBA) {
|
||||
if (isphys)
|
||||
*((char *)QIOPAGE630 + QIPCR) = Q_LMEAE;
|
||||
else
|
||||
*(uhp->uh_iopage + QIPCR) = Q_LMEAE;
|
||||
}
|
||||
if (uhp->uh_type == QBA)
|
||||
*((u_short *)(uhp->uh_iopage + QIPCR)) = Q_LMEAE;
|
||||
#endif QBA
|
||||
break;
|
||||
#endif DW750 || DW730 || QBA
|
||||
@ -994,6 +891,7 @@ ubaerror(uban, uh, ipl, uvec, uba)
|
||||
* configured (has no csr or interrupt, so doesn't need to be probed),
|
||||
* and -1 on failure.
|
||||
*/
|
||||
#ifdef notyet
|
||||
ubameminit(uban)
|
||||
{
|
||||
register struct uba_device *ui;
|
||||
@ -1039,6 +937,7 @@ jdhfgsjdkfhgsdjkfghak
|
||||
}
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
rmget(){
|
||||
showstate(curproc);
|
||||
@ -1168,6 +1067,9 @@ uba_attach(parent, self, aux)
|
||||
struct uba_regs *ubar = (struct uba_regs *)sa->nexaddr;
|
||||
struct uba_softc *sc = (struct uba_softc *)self;
|
||||
vm_offset_t min, max, ubaphys, ubaiophys;
|
||||
#if DW780 || DWBUA
|
||||
struct uba_regs *vubp = sc->uh_uba;
|
||||
#endif
|
||||
void ubascan();
|
||||
|
||||
printf("\n");
|
||||
@ -1200,7 +1102,7 @@ uba_attach(parent, self, aux)
|
||||
bcopy(&idsptch, &sc->uh_idsp[i],
|
||||
sizeof(struct ivec_dsp));
|
||||
sc->uh_idsp[i].pushlarg = sa->nexinfo;
|
||||
sc->uh_idsp[i].hoppaddr = (unsigned int)ubastray;
|
||||
sc->uh_idsp[i].hoppaddr = ubastray;
|
||||
sc->uh_iarea[i] = (unsigned int)&sc->uh_idsp[i];
|
||||
}
|
||||
}
|
||||
@ -1243,11 +1145,125 @@ uba_attach(parent, self, aux)
|
||||
if (cpu_type == VAX_630)
|
||||
*((u_short *)(sc->uh_iopage + QIPCR)) = Q_LMEAE;
|
||||
#endif
|
||||
/*
|
||||
* Initialize the UNIBUS, by freeing the map
|
||||
* registers and the buffered data path registers
|
||||
*/
|
||||
sc->uh_map = (struct map *)malloc((u_long)
|
||||
(UAMSIZ * sizeof(struct map)), M_DEVBUF, M_NOWAIT);
|
||||
bzero((caddr_t)sc->uh_map, (unsigned)(UAMSIZ * sizeof (struct map)));
|
||||
ubainitmaps(sc);
|
||||
|
||||
#ifdef notyet
|
||||
config_scan(ubascan,self);
|
||||
#else
|
||||
unifind(sc, ubaiophys);
|
||||
/*
|
||||
* Set last free interrupt vector for devices with
|
||||
* programmable interrupt vectors. Use is to decrement
|
||||
* this number and use result as interrupt vector.
|
||||
*/
|
||||
sc->uh_lastiv = 0x200;
|
||||
|
||||
#ifdef DWBUA
|
||||
if (uhp->uh_type == DWBUA)
|
||||
BUA(vubp)->bua_offset = (int)uhp->uh_vec - (int)&scb[0];
|
||||
#endif
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
vubp->uba_cr = UBACR_IFS|UBACR_BRIE;
|
||||
}
|
||||
#endif
|
||||
#ifdef notyet
|
||||
/*
|
||||
* First configure devices that have unibus memory,
|
||||
* allowing them to allocate the correct map registers.
|
||||
*/
|
||||
ubameminit(uhp->uh_dev.dv_unit);
|
||||
#endif
|
||||
/*
|
||||
* Map the first page of UNIBUS i/o space to the first page of memory
|
||||
* for devices which will need to dma output to produce an interrupt.
|
||||
* ??? - Why? This is rpb page... /ragge
|
||||
*/
|
||||
*(int *)(&sc->uh_mr[0]) = UBAMR_MRV;
|
||||
|
||||
/*
|
||||
* Now start searching for devices.
|
||||
*/
|
||||
unifind(sc, ubaiophys); /* Some devices are not yet converted */
|
||||
config_scan(ubascan,self);
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780)
|
||||
uhp->uh_uba->uba_cr = UBACR_IFS | UBACR_BRIE |
|
||||
UBACR_USEFIE | UBACR_SUEFIE |
|
||||
(uhp->uh_uba->uba_cr & 0x7c000000);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
ubascan(parent, match)
|
||||
struct device *parent;
|
||||
void *match;
|
||||
{
|
||||
struct device *dev = match;
|
||||
struct cfdata *cf = dev->dv_cfdata;
|
||||
struct uba_softc *sc = (struct uba_softc *)parent;
|
||||
struct uba_attach_args ua;
|
||||
int i;
|
||||
|
||||
ua.ua_addr = (caddr_t)ubaddr(sc, cf->cf_loc[0]);
|
||||
|
||||
if (badaddr(ua.ua_addr, 2))
|
||||
goto forgetit;
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
rcvec = 0x200;
|
||||
i = (*cf->cf_driver->cd_match) (parent, dev, &ua);
|
||||
|
||||
#ifdef DW780
|
||||
if (uhp->uh_type == DW780 && vubp->uba_sr) {
|
||||
vubp->uba_sr = vubp->uba_sr;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
if (i == 0)
|
||||
goto forgetit;
|
||||
|
||||
if (rcvec == 0 || rcvec == 0x200)
|
||||
goto fail;
|
||||
|
||||
sc->uh_idsp[rcvec].hoppaddr = ua.ua_ivec;
|
||||
sc->uh_idsp[rcvec].pushlarg = ua.ua_iarg;
|
||||
ua.ua_br = rbr;
|
||||
ua.ua_cvec = rcvec;
|
||||
ua.ua_iaddr = dev->dv_cfdata->cf_loc[0];
|
||||
|
||||
config_attach(parent, dev, &ua, ubaprint);
|
||||
return;
|
||||
|
||||
fail:
|
||||
printf("%s at %s csr %o %s\n", dev->dv_cfdata->cf_driver->cd_name,
|
||||
parent->dv_xname, dev->dv_cfdata->cf_loc[0] << 2,
|
||||
rcvec ? "didn't interrupt\n" : "zero vector\n");
|
||||
|
||||
forgetit:
|
||||
free(dev, M_DEVBUF);
|
||||
}
|
||||
|
||||
int
|
||||
ubaprint(aux, uba)
|
||||
void *aux;
|
||||
char *uba;
|
||||
{
|
||||
struct uba_attach_args *ua = aux;
|
||||
|
||||
printf(" csr %o vec %o ipl %x", ua->ua_iaddr,
|
||||
ua->ua_cvec << 2, ua->ua_br);
|
||||
return UNCONF;
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: ubavar.h,v 1.7 1995/11/10 19:25:51 ragge Exp $ */
|
||||
/* $NetBSD: ubavar.h,v 1.8 1995/12/01 19:23:01 ragge Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1982, 1986 Regents of the University of California.
|
||||
@ -44,8 +44,6 @@
|
||||
* Each unibus device has a uba_device structure.
|
||||
*/
|
||||
|
||||
#ifndef LOCORE
|
||||
|
||||
#include "sys/buf.h"
|
||||
#include "sys/device.h"
|
||||
/*
|
||||
@ -186,7 +184,19 @@ struct uba_driver {
|
||||
short ud_keepbdp; /* hang on to bdp's once allocated */
|
||||
int (*ud_ubamem)(); /* see if dedicated memory is present */
|
||||
};
|
||||
#endif
|
||||
|
||||
/*
|
||||
* uba_attach_args is used during autoconfiguration. It is sent
|
||||
* from ubascan() to each (possible) device.
|
||||
*/
|
||||
struct uba_attach_args {
|
||||
caddr_t ua_addr;
|
||||
void (*ua_ivec)();
|
||||
int ua_iarg;
|
||||
int ua_iaddr;
|
||||
int ua_br;
|
||||
int ua_cvec;
|
||||
};
|
||||
|
||||
/*
|
||||
* Flags to UBA map/bdp allocation routines
|
||||
@ -234,5 +244,7 @@ extern struct uba_device ubdinit[];
|
||||
|
||||
extern struct cfdriver ubacd;
|
||||
|
||||
void ubainit __P((struct uba_softc *));
|
||||
|
||||
#endif /* _KERNEL */
|
||||
#endif !LOCORE
|
||||
|
||||
Loading…
Reference in New Issue
Block a user