Index: kernel/arch/sparc64/include/drivers/fhc.h
===================================================================
--- kernel/arch/sparc64/include/drivers/fhc.h	(revision a796127170a8ce9b89fe78fa9fb1b13f5b742b74)
+++ kernel/arch/sparc64/include/drivers/fhc.h	(revision a796127170a8ce9b89fe78fa9fb1b13f5b742b74)
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup sparc64	
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_sparc64_FHC_H_
+#define KERN_sparc64_FHC_H_
+
+#include <arch/types.h>
+
+extern volatile uint32_t *fhc;
+
+extern void fhc_init(void);
+extern void fhc_uart_reset(void);
+
+#endif
+
+/** @}
+ */
Index: kernel/arch/sparc64/include/drivers/ns16550.h
===================================================================
--- kernel/arch/sparc64/include/drivers/ns16550.h	(revision ec2c55a4c241975f1e193ce31dbbbe525c29fdf1)
+++ kernel/arch/sparc64/include/drivers/ns16550.h	(revision a796127170a8ce9b89fe78fa9fb1b13f5b742b74)
@@ -40,4 +40,5 @@
 
 #define RBR_REG		0	/** Receiver Buffer Register. */
+#define IER_REG		1	/** Interrupt Enable Register. */
 #define LSR_REG		5	/** Line Status Register. */
 
@@ -45,4 +46,14 @@
 {
 	return kbd_virt_address[RBR_REG];
+}
+
+static inline uint8_t ns16550_ier_read(void)
+{
+	return kbd_virt_address[IER_REG];
+}
+
+static inline void ns16550_ier_write(uint8_t v)
+{
+	kbd_virt_address[IER_REG] = v;
 }
 
Index: kernel/arch/sparc64/include/drivers/z8530.h
===================================================================
--- kernel/arch/sparc64/include/drivers/z8530.h	(revision ec2c55a4c241975f1e193ce31dbbbe525c29fdf1)
+++ kernel/arch/sparc64/include/drivers/z8530.h	(revision a796127170a8ce9b89fe78fa9fb1b13f5b742b74)
@@ -71,4 +71,7 @@
 #define RR15	15
 
+/* Write Register 0 */
+#define WR0_ERR_RST	(0x6<<3)
+
 /* Write Register 1 */
 #define WR1_RID		(0x0<<3)	/** Receive Interrupts Disabled. */