files for the eisa specific autoconfiguration..

don't expect this to work yet.. but at least they're here..
(hey this cvs stuff is fun!)

activate with a line exactly like the isa line in the config file,
(but specifying eisa :)
patches to come..

2 files changed, 242 insertions, 0 deletions

diff --git a/sys/dev/eisa/eisaconf.c b/sys/dev/eisa/eisaconf.c
new file mode 100644
index 0000000..2aad5d2
--- /dev/null
+++ b/sys/dev/eisa/eisaconf.c
@@ -0,0 +1,211 @@
+/*
+ * Written by Billie Alsup (balsup@tfs.com)
+ * for TRW Financial Systems for use under the MACH(2.5)and OSF/1 operating
+ * systems.
+ *
+ * TRW Financial Systems, in accordance with their agreement with Carnegie
+ * Mellon University, makes this software available to CMU to distribute
+ * or use in any manner that they see fit as long as this message is kept with
+ * the software. For this reason TFS also grants any other persons or
+ * organisations permission to use or modify this software.
+ *
+ * TFS supplies this software to be publicly redistributed
+ * on the understanding that TFS is not responsible for the correct
+ * functioning of this software in any circumstances.
+ *
+ * $Id: eisaconf.c,v 1.1 1995/03/13 09:10:17 root Exp root $
+ */
+
+/*
+ * Ported to run under FreeBSD by Julian Elischer (julian@tfs.com) Sept 1992
+ */
+
+
+#include <sys/param.h>
+#include <sys/systm.h>          /* isn't it a joy */
+#include <sys/kernel.h>         /* to have three of these */
+#include <sys/conf.h>
+
+#include "sys/types.h"
+#include "i386/isa/icu.h"
+#include "i386/isa/isa_device.h" /*we're a superset, so we need this */
+#include "eisaconf.h"
+
+
+struct isa_device eisaSlot[EISA_SLOTS];
+struct isa_device isa_devtab_eisa[EISA_SLOTS+1];
+int nexttab = 0;
+extern struct eisa_dev eisa_dev[];
+
+#define EISA_MAKEID(p) ((((p)[0]&0x1F)<<10)|(((p)[1]&0x1F)<<5)|(((p)[2]&0x1F)))
+#define EISA_ID0(i) ((((i)>>10)&0x1F)+0x40)
+#define EISA_ID1(i) ((((i)>>5)&0x1F)+0x40)
+#define EISA_ID2(i) (((i)&0x1F)+0x40)
+/*
+** probe for EISA devices
+*/
+void
+eisa_configure()
+{
+    int i,j,slot,found,numports;
+    unsigned int checkthese;
+    struct eisa_dev *edev_p;
+    int eisaBase = 0xC80;
+    unsigned short productID, productType;
+    unsigned char productRevision,controlBits;
+	static char hexdigit[] = "0123456789ABCDEF";
+#define HEXDIGIT(i) hexdigit[(i)&0x0f]
+
+    outb(eisaBase,0xFF);
+    productID = inb(eisaBase);
+    if (productID & 0x80) {
+      printf("Warning: running EISA kernel on non-EISA system board\n");
+      return;
+    } 
+    printf("Probing for devices on EISA bus\n");
+    productID = (productID<<8) | inb(eisaBase+1);
+    productRevision = inb(eisaBase+2);
+
+    printf("EISA0: %c%c%c v%d (System Board)\n"
+                ,EISA_ID0(productID)
+                ,EISA_ID1(productID)
+                ,EISA_ID2(productID)
+                ,(productRevision&7));
+
+    for (slot=1; eisaBase += 0x1000, slot < EISA_SLOTS; slot++) {
+      outb(eisaBase,0xFF);
+      productID = inb(eisaBase);
+      if (productID & 0x80) continue;  /* no EISA card in slot */
+
+      productID = (productID<<8) | inb(eisaBase+1);
+      productType = inb(eisaBase+2);
+      productRevision = inb(eisaBase+3);
+      productType = (productType<<4) | (productRevision>>4);
+      productRevision &= 15;
+      controlBits = inb(eisaBase+4);
+
+      printf("EISA%d: %c%c%c-%c%c%c.%x\n"
+        ,slot,EISA_ID0(productID),EISA_ID1(productID),EISA_ID2(productID)
+        ,HEXDIGIT(productType>>8)
+		,HEXDIGIT(productType>>4)
+		,HEXDIGIT(productType)
+		,productRevision);
+
+      if (!(controlBits & 1)) {
+        printf("...Card is disabled\n");
+		/* continue;*/
+      }
+
+      /*
+      ** See if we recognize this product
+      */
+
+      for (edev_p = eisa_dev,found=0; edev_p->productID[0]; edev_p++) {
+        struct isa_device *dev_p;
+        struct  isa_driver  *drv_p;
+        unsigned short configuredID;
+
+        configuredID = EISA_MAKEID(edev_p->productID);
+        if (configuredID != productID) continue;
+        if (edev_p->productType != productType) continue;
+        if (edev_p->productRevision > productRevision) continue;
+
+        /*
+        ** we're assuming:
+        **      if different drivers for the same board exist
+        **      (due to some revision incompatibility), that the
+        **      drivers will be listed in descending revision
+        **      order.  The revision in the eisaDevs structure
+        **      should indicate the lowest revision supported
+        **      by the code.
+        **
+        */
+        dev_p = &eisaSlot[slot];
+        memcpy(dev_p,&edev_p->isa_dev,sizeof(edev_p->isa_dev));
+
+        drv_p = dev_p->id_driver;
+        dev_p->id_iobase = eisaBase; /* may get ammended by driver */
+
+#if defined(DEBUG)
+        printf("eisaProbe: probing %s%d\n"
+                ,drv_p->driver_name, dev_p->id_unit);
+#endif /* defined(DEBUG) */
+
+        if (!(numports = drv_p->probe(dev_p))) {
+            continue;  /* try another eisa device */
+        }
+        edev_p->isa_dev.id_unit++; /*dubious*/
+/** this should all be put in some common routine **/
+	printf("%s%d", drv_p->name, dev_p->id_unit);
+	if (numports != -1) {
+		printf(" at 0x%x", dev_p->id_iobase);
+		if ((dev_p->id_iobase + numports - 1) != dev_p->id_iobase) {
+			printf("-0x%x", dev_p->id_iobase + numports - 1);
+		}
+	}
+
+	if (dev_p->id_irq)
+		printf(" irq %d", ffs(dev_p->id_irq) - 1);
+	if (dev_p->id_drq != -1)
+		printf(" drq %d", dev_p->id_drq);
+	if (dev_p->id_maddr)
+		printf(" maddr 0x%lx", kvtop(dev_p->id_maddr));
+	if (dev_p->id_msize)
+		printf(" msize %d", dev_p->id_msize);
+	if (dev_p->id_flags)
+		printf(" flags 0x%x", dev_p->id_flags);
+	if (dev_p->id_iobase) {
+		if (dev_p->id_iobase < 0x100) {
+			printf(" on motherboard\n");
+		} else {
+			if (dev_p->id_iobase >= 0x1000) {
+				printf (" on EISA\n");
+			} else {
+				printf (" on ISA emulation\n");
+			}
+		}
+	}
+        /*
+        ** Now look for any live devices with the same starting I/O port and
+	** give up if we clash
+        **
+        ** what i'd really like is to set is how many i/o ports are in use.
+        ** but that isn't in this structure...
+        **
+        */
+	checkthese = 0;
+	if(dev_p->id_iobase )	checkthese |= CC_IOADDR;
+	if(dev_p->id_drq != -1 ) checkthese |= CC_DRQ;
+	if(dev_p->id_irq )	checkthese |= CC_IRQ;
+	if(dev_p->id_maddr )	checkthese |= CC_MEMADDR;
+	/* this may be stupid, it's probably too late if we clash here */
+	if(haveseen_isadev( dev_p,checkthese))
+		break;	/* we can't proceed due to collision. bail */
+	/* mark ourselves in existence and then put us in the eisa list */
+	/* so that other things check against US for a clash */
+        dev_p->id_alive = (numports == -1? 1 : numports);
+	memcpy(&(isa_devtab_eisa[nexttab]),dev_p,sizeof(edev_p->isa_dev));
+        drv_p->attach(dev_p);
+
+	if (dev_p->id_irq) {
+		if (edev_p->imask)
+			INTRMASK(*(edev_p->imask), dev_p->id_irq);
+		register_intr(ffs(dev_p->id_irq) - 1, dev_p->id_id,
+			dev_p->id_ri_flags, dev_p->id_intr,
+			edev_p->imask, dev_p->id_unit);
+		INTREN(dev_p->id_irq);
+	}
+	found = 1;
+	nexttab++;
+        break; /* go look at next slot*/
+     }/* end of loop on known devices */
+     if (!found) {
+      printf("...No driver installed for board\n");
+     }
+  }/* end of loop on slots */
+}/* end of routine */
+
+
+
+
+
diff --git a/sys/dev/eisa/eisaconf.h b/sys/dev/eisa/eisaconf.h
new file mode 100644
index 0000000..b0a0cbb
--- /dev/null
+++ b/sys/dev/eisa/eisaconf.h
@@ -0,0 +1,31 @@
+/*
+ * Written by Billie Alsup (balsup@tfs.com)
+ * for TRW Financial Systems for use under the MACH(2.5)and OSF/1 operating
+ * systems.
+ *
+ * TRW Financial Systems, in accordance with their agreement with Carnegie
+ * Mellon University, makes this software available to CMU to distribute
+ * or use in any manner that they see fit as long as this message is kept with
+ * the software. For this reason TFS also grants any other persons or
+ * organisations permission to use or modify this software.
+ *
+ * TFS supplies this software to be publicly redistributed
+ * on the understanding that TFS is not responsible for the correct
+ * functioning of this software in any circumstances.
+ *
+ * $Id: eisaconf.h,v 1.1 1995/03/13 09:10:17 root Exp root $
+ */
+
+/*
+ * Ported to run under FreeBSD by Julian Elischer (julian@tfs.com) Sept 1992
+ */
+
+#define EISA_SLOTS 10   /* PCI clashes with higher ones.. fix later */  
+struct eisa_dev {
+  char productID[4];
+  unsigned short productType;
+  unsigned char productRevision;
+  unsigned int *imask;
+  struct isa_device isa_dev;
+};
+