===================================================================
RCS file: /cvs/funnyos/arch/testarm/dev/obio.c,v
retrieving revision 1.9
retrieving revision 1.11
diff -u -r1.9 -r1.11
--- funnyos/arch/testarm/dev/obio.c	2007/10/16 22:27:28	1.9
+++ funnyos/arch/testarm/dev/obio.c	2007/10/29 21:10:03	1.11
@@ -1,5 +1,5 @@
 /*
- * $Id: obio.c,v 1.9 2007/10/16 21:27:28 init Exp $
+ * $Id: obio.c,v 1.11 2007/10/29 21:10:03 init Exp $
  */
 #include <sys/types.h>
 #include <sys/device.h>
@@ -9,6 +9,14 @@
 #include <arch/testarm/dev/obiovar.h>
 #include <libkern/printf.h>
 
+/* #define OBIO_DEBUG */
+
+#ifdef OBIO_DEBUG
+#define DPRINTF(x...) 	do { printf(x); } while (0)
+#else
+#define DPRINTF(x...) 	{ }
+#endif
+ 
 /*
  * testarm obio (on-board i/o) support.
  * This is a simple memory read/writes.
@@ -26,6 +34,7 @@
 struct driver obio_dr = {
 	sizeof(struct obio_dd),
 	obio_attach,
+	NULL,
 	NULL
 };
 
@@ -62,6 +71,7 @@
 	/*
 	 * There is only one on-board i/o bus in testarm.
 	 */
+	DPRINTF("obio_read_1: read @0x%x\n", addr);
 	return( (*(uint8_t *)addr) );
 }
 
@@ -69,6 +79,7 @@
 uint16_t
 obio_read_2(void *ddp, uint32_t addr)
 {
+	DPRINTF("obio_read_2: read @0x%x\n", addr);
 	return( (*(uint16_t *)addr) );
 }
 
@@ -76,6 +87,7 @@
 uint32_t
 obio_read_4(void *ddp, uint32_t addr)
 {
+	DPRINTF("obio_read_4: read @0x%x\n", addr);
 	return( (*(uint32_t *)addr) );
 }
 
@@ -83,6 +95,8 @@
 int
 obio_write_1(void *ddp, uint32_t addr, uint8_t data)
 {
+	DPRINTF("obio_write_1: write @0x%x data %d\n", addr, data);
+
 	*((uint8_t *)addr) = data;
 
 	/* XXX what about write errors? */
@@ -93,6 +107,8 @@
 int
 obio_write_2(void *ddp, uint32_t addr, uint16_t data)
 {
+	DPRINTF("obio_write_2: write @0x%x data %d\n", addr, data);
+
 	*((uint16_t *)addr) = data;
 
 	return(0);
@@ -102,6 +118,8 @@
 int
 obio_write_4(void *ddp, uint32_t addr, uint32_t data)
 {
+	DPRINTF("obio_write_4: write @0x%x data %d\n", addr, data);
+
 	*((uint32_t *)addr) = data;
 
 	return(0);