text: /*
   * arch/ubicom32/mach-common/vdc_tio.c
   *   Generic initialization for VDC
   *
   * (C) Copyright 2009, Ubicom, Inc.
   *
   * This file is part of the Ubicom32 Linux Kernel Port.
   *
   * The Ubicom32 Linux Kernel Port is free software: you can redistribute
   * it and/or modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation, either version 2 of the
   * License, or (at your option) any later version.
   *
   * The Ubicom32 Linux Kernel Port is distributed in the hope that it
   * will be useful, but WITHOUT ANY WARRANTY; without even the implied
   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
   * the GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with the Ubicom32 Linux Kernel Port.  If not,
   * see <http://www.gnu.org/licenses/>.
   *
   * Ubicom32 implementation derived from (with many thanks):
   *   arch/m68knommu
   *   arch/blackfin
   *   arch/parisc
   */
  
  #include <linux/platform_device.h>
  #include <linux/types.h>
  
  #include <asm/devtree.h>
  #include <asm/vdc_tio.h>
  
  /*
   * Resources that this driver uses
   */
  static struct resource vdc_tio_resources[] = {
  	/*
  	 * Send IRQ
  	 */
  	[0] = {
  		/*
  		 * The init routine will query the devtree and fill this in
  		 */
  		.flags	= IORESOURCE_IRQ,
  	},
  
  	/*
  	 * Receive IRQ (optional)
  	 */
  	[1] = {
  		/*
  		 * The init routine will query the devtree and fill this in
  		 */
  		.flags	= IORESOURCE_IRQ,
  	},
  
  	/*
  	 * Memory Mapped Registers
  	 */
  	[2] = {
  		/*
  		 * The init routine will query the devtree and fill this in
  		 */
  		.flags	= IORESOURCE_MEM,
  	},
  };
  
  /*
   * The platform_device structure which is passed to the driver
   */
  static struct platform_device vdc_tio_platform_device = {
  	.name		= "ubicom32fb",
  	.id		= -1,
  	.resource	= vdc_tio_resources,
  	.num_resources	= ARRAY_SIZE(vdc_tio_resources),
  };
  
  /*
   * vdc_tio_init
   *	Checks the device tree and instantiates the driver if found
   */
  void __init vdc_tio_init(void)
  {
  	/*
  	 * Check the device tree for the vdc_tio
  	 */
  	struct vdc_tio_node *vdc_node =
  		(struct vdc_tio_node *)devtree_find_node("vdctio");
  	if (!vdc_node) {
  		printk(KERN_WARNING "No vdc_tio found\n");
  		return;
  	}
  
  	/*
  	 * Fill in the resources and platform data from devtree information
  	 */
  	vdc_tio_resources[0].start = vdc_node->dn.sendirq;
  	vdc_tio_resources[1].start = vdc_node->dn.recvirq;
  	vdc_tio_resources[2].start = (u32_t)vdc_node->regs;
  	vdc_tio_resources[2].end = (u32_t)vdc_node->regs +
  		sizeof(struct vdc_tio_vp_regs);
  
  	/*
  	 * Try to get the device registered
  	 */
  	if (platform_device_register(&vdc_tio_platform_device) < 0) {
  		printk(KERN_WARNING "VDC failed to register\n");
  	}
  }
  