lpbb is the official Philips parallel I2C interface. lpbb.c contains only

basic i/o functions, bit-banging mechanism is implemented by dev/iicbus/iicbb.c

immio.c: some bootverbose logs to watch zip+ connect/disconnect process

1 files changed, 15 insertions, 7 deletions

diff --git a/sys/dev/ppbus/immio.c b/sys/dev/ppbus/immio.c
index 630707c..dc37ab3 100644
--- a/sys/dev/ppbus/immio.c
+++ b/sys/dev/ppbus/immio.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: immio.c,v 1.2 1998/09/20 14:41:54 nsouch Exp $
+ *	$Id: immio.c,v 1.3 1998/10/02 20:44:58 nsouch Exp $
  *
  */
 
@@ -286,9 +286,13 @@ imm_disconnect(struct vpoio_data *vpo, int *connected, int release_bus)
 
 	ppb_MS_microseq(&vpo->vpo_dev, cpp_microseq, &ret);
 
-	if ((s1 != (char)0xb8 || s2 != (char)0x18 || s3 != (char)0x38) &&
-								connected)
-		*connected = VP0_ECONNECT;
+	if ((s1 != (char)0xb8 || s2 != (char)0x18 || s3 != (char)0x38)) {
+		if (bootverbose)
+			printf("imm%d: (disconnect) s1=0x%x s2=0x%x, s3=0x%x\n",
+				vpo->vpo_unit, s1 & 0xff, s2 & 0xff, s3 & 0xff);
+		if (connected)
+			*connected = VP0_ECONNECT;
+	}
 
 	if (release_bus)
 		return (ppb_release_bus(&vpo->vpo_dev));
@@ -334,9 +338,13 @@ imm_connect(struct vpoio_data *vpo, int how, int *disconnected, int request_bus)
 
 	ppb_MS_microseq(&vpo->vpo_dev, cpp_microseq, &ret);
 
-	if ((s1 != (char)0xb8 || s2 != (char)0x18 || s3 != (char)0x30)
-							&& disconnected)
-		*disconnected = VP0_ECONNECT;
+	if ((s1 != (char)0xb8 || s2 != (char)0x18 || s3 != (char)0x30)) {
+		if (bootverbose)
+			printf("imm%d: (connect) s1=0x%x s2=0x%x, s3=0x%x\n",
+				vpo->vpo_unit, s1 & 0xff, s2 & 0xff, s3 & 0xff);
+		if (disconnected)
+			*disconnected = VP0_ECONNECT;
+	}
 
 	return (0);
 }