Patch by Scott McNutt, 25 Apr 2004:
Add Nios GDB/JTAG Console support:
- Add stubs to support gdb via JTAG.
- Add support for console over JTAG.
- Minor cleanup.
diff --git a/include/configs/DK1C20.h b/include/configs/DK1C20.h
index 71d52e9..358f7f4 100644
--- a/include/configs/DK1C20.h
+++ b/include/configs/DK1C20.h
@@ -471,6 +471,7 @@
 				 CFG_CMD_MII	| \
 				 CFG_CMD_PCI	| \
 				 CFG_CMD_PCMCIA | \
+				 CFG_CMD_REISER	| \
 				 CFG_CMD_SCSI	| \
 				 CFG_CMD_SPI	| \
 				 CFG_CMD_VFD	| \
diff --git a/include/nios-io.h b/include/nios-io.h
index 08aa9f9..dc7e127 100644
--- a/include/nios-io.h
+++ b/include/nios-io.h
@@ -167,4 +167,17 @@
 #define NIOS_ASMI_IEOP		(1 << 9)	/* rx eop int ena */
 #define NIOS_ASMI_SSO		(1 << 10)	/* slave select enable */
 
+/*------------------------------------------------------------------------
+ * JTAG UART
+ *----------------------------------------------------------------------*/
+typedef volatile struct nios_jtag_t {
+	unsigned short	rxcntl;			/* Rx data/cntl reg */
+	unsigned short	txcntl;			/* Tx data/cntl reg */
+	unsigned short	errcntl;		/* Err dta/cntl reg */
+}nios_jtag_t;
+
+/* status register */
+#define NIOS_JTAG_TRDY		(1 << 8)	/* tx ready bit */
+#define NIOS_JTAG_RRDY		(1 << 8)	/* rx ready bit */
+
 #endif /* __NIOSIO_H__ */