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Patches from Ken Wellsch/Ken Lalonde to support some Dilog MSCP cards

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(DQ256 SMD card, SQ706A and SU726A SCSI card).
This commit is contained in:
ragge 1995-08-31 22:24:39 +00:00
parent 0c3e631d7d
commit 2c7359091d
1 changed files with 75 additions and 25 deletions
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100
sys/arch/vax/uba/uda.c
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@ -1,4 +1,4 @@
/* $NetBSD: uda.c,v 1.7 1995/07/05 08:24:48 ragge Exp $ */
/* $NetBSD: uda.c,v 1.8 1995/08/31 22:24:39 ragge Exp $ */
/*
* Copyright (c) 1988 Regents of the University of California.
@ -109,6 +109,27 @@
extern int cold;
/*
* This macro is for delay during init. Some MSCP clone card (Dilog)
* can't handle fast read from its registers, and therefore need
* a delay between them.
*/
#define DELAYTEN 1000
#define Wait_step( mask, result, status ) { \
status = 1; \
if ((udaddr->udasa & mask) != result) { \
int count = 0; \
while ((udaddr->udasa & mask) != result) { \
DELAY(100); \
count += 1; \
if (count > DELAYTEN) \
break; \
} \
if (count > DELAYTEN) \
status = 0; \
} \
}
/*
* UDA communications area and MSCP packet pools, per controller.
*/
@ -278,7 +299,7 @@ udaprobe(reg, ctlr, um)
volatile struct udadevice *udaddr;
struct mscp_info *mi;
extern int cpu_type;
int timeout, tries;
int timeout, tries, count;
#ifdef notyet
int s;
#endif
@ -350,15 +371,36 @@ udaprobe(reg, ctlr, um)
tries = 0;
again:
udaddr->udaip = 0; /* start initialisation */
timeout = todr() + 1000; /* timeout in 10 seconds */
while ((udaddr->udasa & UDA_STEP1) == 0)
if (todr() > timeout)
goto bad;
count = 0;
while ( count < DELAYTEN ) {
if ( (udaddr->udasa & UDA_STEP1) != 0 )
break;
DELAY(10000);
count += 1;
}
/* nothing there */
if ( count == DELAYTEN )
return(0);
udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE |
(sc->sc_ivec >> 2);
while ((udaddr->udasa & UDA_STEP2) == 0)
if (todr() > timeout)
goto bad;
count = 0;
while (count < DELAYTEN) {
if ((udaddr->udasa & UDA_STEP2 ) != 0)
break;
DELAY(10000);
count += 1;
}
if (count == DELAYTEN) {
printf("udaprobe: uda%d: init step2 no change.\n",
um->um_ctlr);
goto bad;
}
/* should have interrupted by now */
#ifdef notyet
sc->sc_ipl = br = qbgetpri();
@ -600,7 +642,7 @@ udainit(ctlr)
register struct uda_softc *sc;
register struct udadevice *udaddr;
struct uba_ctlr *um;
int timo, ubinfo;
int timo, ubinfo, count;
/* printf("udainit\n"); */
sc = &uda_softc[ctlr];
um = udaminfo[ctlr];
@ -635,13 +677,18 @@ udainit(ctlr)
sc->sc_state = ST_IDLE; /* in case init fails */
udaddr = (struct udadevice *)um->um_addr;
udaddr->udaip = 0;
timo = todr() + 1000;
while ((udaddr->udasa & STEP0MASK) == 0) {
if (todr() > timo) {
printf("uda%d: timeout during init\n", ctlr);
return (-1);
}
count = 0;
while (count < DELAYTEN) {
if ((udaddr->udasa & UDA_STEP1) != 0)
break;
DELAY(10000);
count += 1;
}
if (count == DELAYTEN) {
printf("uda%d: timeout during init\n", ctlr);
return (-1);
}
if ((udaddr->udasa & STEP0MASK) != UDA_STEP1) {
printf("uda%d: init failed, sa=%b\n", ctlr,
udaddr->udasa, udasr_bits);
@ -1345,7 +1392,7 @@ udaintr(vektor,level,uba,ctlr)
volatile struct udadevice *udaddr = (struct udadevice *)um->um_addr;
struct uda *ud;
struct mscp *mp;
volatile int i;
volatile int i, wait_status;
extern int cpu_type;
#ifdef QBA
@ -1385,8 +1432,9 @@ udaintr(vektor,level,uba,ctlr)
/*
* Begin step two initialisation.
*/
if ((udaddr->udasa & STEP1MASK) != STEP1GOOD) {
i = 1;
i = 0;
Wait_step(STEP1MASK, STEP1GOOD, wait_status);
if (!wait_status) {
initfailed:
printf("uda%d: init step %d failed, sa=%b\n",
ctlr, i, udaddr->udasa, udasr_bits);
@ -1408,10 +1456,11 @@ initfailed:
/*
* Begin step 3 initialisation.
*/
if ((udaddr->udasa & STEP2MASK) != STEP2GOOD) {
i = 2;
i = 2;
Wait_step(STEP2MASK, STEP2GOOD, wait_status);
if (!wait_status)
goto initfailed;
}
udaddr->udasa = ((int)&sc->sc_uda->uda_ca.ca_rspdsc[0]) >> 16;
sc->sc_state = ST_STEP3;
return;
@ -1420,10 +1469,11 @@ initfailed:
/*
* Set controller characteristics (finish initialisation).
*/
if ((udaddr->udasa & STEP3MASK) != STEP3GOOD) {
i = 3;
i = 3;
Wait_step(STEP3MASK, STEP3GOOD, wait_status);
if (!wait_status)
goto initfailed;
}
i = udaddr->udasa & 0xff;
if (i != sc->sc_micro) {
sc->sc_micro = i;