Index: kernel/genarch/src/drivers/pl050/pl050.c
===================================================================
--- kernel/genarch/src/drivers/pl050/pl050.c	(revision dd2cfa70168c246f78a3a28187b10d9f5ced94e0)
+++ kernel/genarch/src/drivers/pl050/pl050.c	(revision dd2cfa70168c246f78a3a28187b10d9f5ced94e0)
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2009 Vineeth Pillai
+ * 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 genarch	
+ * @{
+ */
+/**
+ * @file
+ * @brief	pl050 keyboard/mouse driver.
+ *
+ * It takes care of low-level keyboard functions.
+ */
+
+#include <genarch/drivers/pl050/pl050.h>
+#include <arch/asm.h>
+#include <console/chardev.h>
+#include <mm/slab.h>
+#include <ddi/device.h>
+
+#define PL050_KEY_RELEASE 0xF0
+#define PL050_ESC_KEY	0xE0
+#define PL050_CAPS_SCAN_CODE   0x58
+
+/** Structure for pl050's IRQ. */
+static pl050_t *pl050;
+
+static irq_ownership_t pl050_claim(irq_t *irq)
+{
+	uint8_t status;
+	if ((status = pio_read_8(pl050->status)) & PL050_STAT_RXFULL)
+		return IRQ_ACCEPT;
+	else {
+		return IRQ_DECLINE;
+	}
+}
+
+static void pl050_irq_handler(irq_t *irq)
+{
+	uint8_t data;
+	uint8_t status;
+	pl050_instance_t *instance = irq->instance;
+	
+	while ((status = pio_read_8(pl050->status)) & PL050_STAT_RXFULL) {
+		data = pio_read_8(pl050->data);
+		indev_push_character(instance->kbrdin, data);
+
+	}
+}
+
+/** Initialize pl050. */
+pl050_instance_t *pl050_init(pl050_t *dev, inr_t inr)
+{
+
+	pl050_instance_t *instance =
+	    malloc(sizeof(pl050_instance_t), FRAME_ATOMIC);
+
+	pl050 = dev;
+
+	if (instance) {	
+		instance->pl050 = dev;
+		instance->kbrdin = NULL;
+
+		irq_initialize(&instance->irq);
+		instance->irq.devno = device_assign_devno();
+		instance->irq.inr = inr;
+		instance->irq.claim = pl050_claim;
+		instance->irq.handler = pl050_irq_handler;
+		instance->irq.instance = instance;
+	}
+
+	return instance;
+}
+
+void pl050_wire(pl050_instance_t *instance, indev_t *kbrdin)
+{
+	uint8_t val;
+	
+	instance->kbrdin = kbrdin;
+	irq_register(&instance->irq);
+
+	val = PL050_CR_RXINTR | PL050_CR_INTR;
+
+	pio_write_8(pl050->ctrl, val);
+
+	/* reset the data buffer */	
+	pio_read_8(pl050->data);
+	
+}
+
+
+/** @}
+ */