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Diffstat (limited to 'sys/i386/isa/bt742a.c')
-rw-r--r--sys/i386/isa/bt742a.c111
1 files changed, 90 insertions, 21 deletions
diff --git a/sys/i386/isa/bt742a.c b/sys/i386/isa/bt742a.c
index e160e9167cb1..990344f28ea6 100644
--- a/sys/i386/isa/bt742a.c
+++ b/sys/i386/isa/bt742a.c
@@ -12,7 +12,7 @@
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
- * $Id: bt742a.c,v 1.12 1993/12/19 00:50:29 wollman Exp $
+ * $Id: bt742a.c,v 1.22 1994/06/15 04:19:23 jkh Exp $
*/
/*
@@ -126,7 +126,7 @@ struct bt_cmd_buf {
* these could be bigger but we need the bt_data to fit on a single page..
*/
-#define BT_MBX_SIZE 16 /* mail box size (MAX 255 MBxs) */
+#define BT_MBX_SIZE 32 /* mail box size (MAX 255 MBxs) */
/* don't need that many really */
#define BT_CCB_MAX 32 /* store up to 32CCBs at any one time */
/* in bt742a H/W ( Not MAX ? ) */
@@ -299,6 +299,21 @@ struct bt_config {
u_char :5;
};
+/*
+ * Determin 32bit address/Data firmware functionality from Bus type
+ * Note: bt742a/747[s|d]/757/946/445s will return 'E'
+ * bt542b/545s/545d will be return 'A'
+ * 94/05/18 amurai@spec.co.jp
+ */
+#define BT_BUS_TYPE_24bit 'A' /* PC/AT 24 bit address bus type */
+#define BT_BUS_TYPE_32bit 'E' /* EISA/VLB/PCI 32 bit address bus type */
+#define BT_BUS_TYPE_MCA 'M' /* Micro chanel is ? forget it right now */
+struct bt_ext_info {
+ u_char bus_type; /* Host adapter bus type */
+ u_char bios_addr; /* Bios Address-Not use*/
+ u_short max_seg; /* Max segment List */
+};
+
#define INT9 0x01
#define INT10 0x02
#define INT11 0x04
@@ -568,7 +583,8 @@ btprobe(dev)
}
/*
* If it's there, put in it's interrupt vectors
- */ dev->id_unit = unit;
+ */
+ dev->id_unit = unit;
dev->id_irq = (1 << bt->bt_int);
dev->id_drq = bt->bt_dma;
@@ -593,6 +609,7 @@ btattach(dev)
bt->sc_link.adapter_targ = bt->bt_scsi_dev;
bt->sc_link.adapter = &bt_switch;
bt->sc_link.device = &bt_dev;
+ bt->sc_link.flags = SDEV_BOUNCE;
/*
* ask the adapter what subunits are present
@@ -818,7 +835,8 @@ bt_get_ccb(unit, flags)
goto gottit;
} else {
if (!(flags & SCSI_NOSLEEP)) {
- sleep(&bt->bt_ccb_free, PRIBIO);
+ tsleep((caddr_t)&bt->bt_ccb_free, PRIBIO,
+ "btccb", 0);
}
}
}
@@ -987,6 +1005,7 @@ bt_init(unit)
unsigned char ad[4];
volatile int i, sts;
struct bt_config conf;
+ struct bt_ext_info info;
/*
* reset board, If it doesn't respond, assume
@@ -1008,6 +1027,32 @@ bt_init(unit)
return (ENXIO);
}
/*
+ * Make sure board has a capability of 32bit addressing.
+ * and Firmware also need a capability of 32bit addressing pointer
+ * in Extended mailbox and ccb structure.
+ * 94/05/18 amurai@spec.co.jp
+ */
+ bt_cmd(unit, 1, sizeof(info),0,&info, BT_INQUIRE_EXTENDED,sizeof(info));
+ switch (info.bus_type) {
+ case BT_BUS_TYPE_24bit: /* PC/AT 24 bit address bus */
+ printf("bt%d: bt54x-ISA(24bit) bus detected\n", unit);
+ break;
+ case BT_BUS_TYPE_32bit: /* EISA/VLB/PCI 32 bit bus */
+ printf("bt%d: PCI/EISA/VLB(32bit) bus detected\n",unit);
+ break;
+ case BT_BUS_TYPE_MCA: /* forget it right now */
+ printf("bt%d: MCA bus architecture detected..", unit);
+ printf("[giving up]\n");
+ return (ENXIO);
+ break;
+ default:
+ printf("bt%d: Unknown state detected...", unit);
+ printf("[giving up]\n");
+ return (ENXIO);
+ break;
+ }
+
+ /*
* Assume we have a board at this stage
* setup dma channel from jumpers and save int
* level
@@ -1107,8 +1152,6 @@ bt_init(unit)
bt->bt_mbx.tmbi = &bt->bt_mbx.mbi[0];
bt_inquire_setup_information(unit);
- /* Enable round-robin scheme - appeared at firmware rev. 3.31 */
- bt_cmd(unit, 1, 0, 0, 0, BT_ROUND_ROBIN, BT_ENABLE);
/*
* Note that we are going and return (to probe)
@@ -1122,9 +1165,14 @@ bt_inquire_setup_information(unit)
{
struct bt_data *bt = btdata[unit];
struct bt_setup setup;
+ char dummy[8];
struct bt_boardID bID;
int i;
+ /* Inquire Installed Devices */
+ bzero( &dummy[0], sizeof(dummy) );
+ bt_cmd(unit, 0, sizeof(dummy), 10, &dummy[0], BT_DEV_GET);
+
/* Inquire Board ID to Bt742 for firmware version */
bt_cmd(unit, 0, sizeof(bID), 0, &bID, BT_INQUIRE);
printf("bt%d: version %c.%c, ",
@@ -1143,19 +1191,37 @@ bt_inquire_setup_information(unit)
} else {
printf("no parity, ");
}
- printf("%d mbxs, %d ccbs\n", setup.num_mbx, bt->numccbs);
+ printf("%d mbxs, %d ccbs\n", setup.num_mbx, BT_CCB_MAX);
+
+ /*
+ * Displaying SCSI negotiation value by each target.
+ * How can I determin FAST scsi value? XXX amurai@spec.co.jp
+ */
for (i = 0; i < 8; i++) {
- if (!setup.sync[i].offset &&
- !setup.sync[i].period &&
- !setup.sync[i].valid)
+ if (!setup.sync[i].valid)
continue;
+ if (!setup.sync[i].offset && !setup.sync[i].period )
+ printf("bt%d: targ %d async\n", unit, i);
+ else
+ printf("bt%d: targ %d offset=%02d, period=%dnsec\n",
+ unit, i,
+ setup.sync[i].offset,
+ 200 + setup.sync[i].period * 50 );
+ }
- printf("bt%d: dev%02d Offset=%d,Transfer period=%d, Synchronous? %s",
- unit, i,
- setup.sync[i].offset, setup.sync[i].period,
- setup.sync[i].valid ? "Yes" : "No");
+ /*
+ * Enable round-robin scheme - appeared at firmware rev. 3.31
+ * Below rev 2.XX firmware has a problem for issuing
+ * BT_ROUND_ROBIN command amurai@spec.co.jp
+ */
+ if ( bID.firm_revision != '2' ) {
+ printf("bt%d: Enabling Round robin scheme\n", unit);
+ bt_cmd(unit, 1, 0, 0, 0, BT_ROUND_ROBIN, BT_ENABLE);
+ } else {
+ printf("bt%d: Not Enabling Round robin scheme\n", unit);
}
+
}
#ifndef min
@@ -1434,13 +1500,15 @@ bt_timeout(caddr_t arg1, int arg2)
struct bt_data *bt;
int s = splbio();
+ /*
+ * A timeout routine in kernel DONOT unlink
+ * Entry chains when time outed....So infinity Loop..
+ * 94/04/20 amurai@spec.co.jp
+ */
+ untimeout(bt_timeout, (caddr_t)ccb);
+
unit = ccb->xfer->sc_link->adapter_unit;
bt = btdata[unit];
- printf("bt%d:%d:%d (%s%d) timed out ", unit
- ,ccb->xfer->sc_link->target
- ,ccb->xfer->sc_link->lun
- ,ccb->xfer->sc_link->device->name
- ,ccb->xfer->sc_link->dev_unit);
#ifdef UTEST
bt_print_active_ccbs(unit);
@@ -1467,13 +1535,14 @@ bt_timeout(caddr_t arg1, int arg2)
ccb->xfer->retries = 0; /* I MEAN IT ! */
ccb->host_stat = BT_ABORTED;
bt_done(unit, ccb);
- } else { /* abort the operation that has timed out */
+ } else {
+ /* abort the operation that has timed out */
printf("bt%d: Try to abort\n", unit);
bt_send_mbo(unit, ~SCSI_NOMASK,
BT_MBO_ABORT, ccb);
/* 2 secs for the abort */
- timeout(bt_timeout, (caddr_t)ccb, 2 * hz);
ccb->flags = CCB_ABORTED;
+ timeout(bt_timeout, (caddr_t)ccb, 2 * hz);
}
splx(s);
}
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