Index: uspace/drv/uhcirh/main.c
===================================================================
--- uspace/drv/uhcirh/main.c	(revision 497b6f3135cb82d98d8ae1b63a4d9d9182e3f18d)
+++ uspace/drv/uhcirh/main.c	(revision 497b6f3135cb82d98d8ae1b63a4d9d9182e3f18d)
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2011 Jan Vesely
+ * 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 drvusbuhcirh
+ * @{
+ */
+/** @file
+ * @brief UHCI root hub initialization routines
+ */
+
+#include <ddf/driver.h>
+#include <devman.h>
+#include <device/hw_res.h>
+#include <errno.h>
+#include <str_error.h>
+
+#include <usb_iface.h>
+#include <usb/ddfiface.h>
+#include <usb/debug.h>
+
+#include "root_hub.h"
+
+#define NAME "uhcirh"
+
+static int hc_get_my_registers(const ddf_dev_t *dev,
+    uintptr_t *io_reg_address, size_t *io_reg_size);
+
+static int uhci_rh_add_device(ddf_dev_t *device);
+
+static driver_ops_t uhci_rh_driver_ops = {
+	.add_device = uhci_rh_add_device,
+};
+
+static driver_t uhci_rh_driver = {
+	.name = NAME,
+	.driver_ops = &uhci_rh_driver_ops
+};
+
+/** Initialize global driver structures (NONE).
+ *
+ * @param[in] argc Nmber of arguments in argv vector (ignored).
+ * @param[in] argv Cmdline argument vector (ignored).
+ * @return Error code.
+ *
+ * Driver debug level is set here.
+ */
+int main(int argc, char *argv[])
+{
+	printf(NAME ": HelenOS UHCI root hub driver.\n");
+	usb_log_enable(USB_LOG_LEVEL_DEFAULT, NAME);
+	return ddf_driver_main(&uhci_rh_driver);
+}
+
+/** Initialize a new ddf driver instance of UHCI root hub.
+ *
+ * @param[in] device DDF instance of the device to initialize.
+ * @return Error code.
+ */
+static int uhci_rh_add_device(ddf_dev_t *device)
+{
+	if (!device)
+		return EINVAL;
+
+	usb_log_debug2("uhci_rh_add_device(handle=%" PRIun ")\n",
+	    device->handle);
+
+	uintptr_t io_regs = 0;
+	size_t io_size = 0;
+	uhci_root_hub_t *rh = NULL;
+	int ret = EOK;
+
+#define CHECK_RET_FREE_RH_RETURN(ret, message...) \
+if (ret != EOK) { \
+	usb_log_error(message); \
+	if (rh) \
+		free(rh); \
+	return ret; \
+} else (void)0
+
+	ret = hc_get_my_registers(device, &io_regs, &io_size);
+	CHECK_RET_FREE_RH_RETURN(ret,
+	    "Failed to get registers from HC: %s.\n", str_error(ret));
+	usb_log_debug("I/O regs at %p (size %zuB).\n",
+	    (void *) io_regs, io_size);
+
+	rh = malloc(sizeof(uhci_root_hub_t));
+	ret = (rh == NULL) ? ENOMEM : EOK;
+	CHECK_RET_FREE_RH_RETURN(ret,
+	    "Failed to allocate rh driver instance.\n");
+
+	ret = uhci_root_hub_init(rh, (void*)io_regs, io_size, device);
+	CHECK_RET_FREE_RH_RETURN(ret,
+	    "Failed(%d) to initialize rh driver instance: %s.\n",
+	    ret, str_error(ret));
+
+	device->driver_data = rh;
+	usb_log_info("Controlling root hub '%s' (%" PRIun ").\n",
+	    device->name, device->handle);
+	return EOK;
+}
+
+/** Get address of I/O registers.
+ *
+ * @param[in] dev Device asking for the addresses.
+ * @param[out] io_reg_address Base address of the memory range.
+ * @param[out] io_reg_size Size of the memory range.
+ * @return Error code.
+ */
+int hc_get_my_registers(
+    const ddf_dev_t *dev, uintptr_t *io_reg_address, size_t *io_reg_size)
+{
+	assert(dev);
+	
+	async_sess_t *parent_sess =
+	    devman_parent_device_connect(EXCHANGE_SERIALIZE, dev->handle,
+	    IPC_FLAG_BLOCKING);
+	if (!parent_sess)
+		return ENOMEM;
+	
+	hw_resource_list_t hw_resources;
+	const int ret = hw_res_get_resource_list(parent_sess, &hw_resources);
+	if (ret != EOK) {
+		async_hangup(parent_sess);
+		return ret;
+	}
+	
+	uintptr_t io_address = 0;
+	size_t io_size = 0;
+	bool io_found = false;
+	
+	size_t i = 0;
+	for (; i < hw_resources.count; i++) {
+		hw_resource_t *res = &hw_resources.resources[i];
+		if (res->type == IO_RANGE) {
+			io_address = res->res.io_range.address;
+			io_size = res->res.io_range.size;
+			io_found = true;
+		}
+	
+	}
+	async_hangup(parent_sess);
+	
+	if (!io_found)
+		return ENOENT;
+	
+	if (io_reg_address != NULL)
+		*io_reg_address = io_address;
+	
+	if (io_reg_size != NULL)
+		*io_reg_size = io_size;
+	
+	return EOK;
+}
+
+/**
+ * @}
+ */
