/*
   * arch/arm/mach-kirkwood/mpp.c
   *
   * MPP functions for Marvell Kirkwood SoCs
   *
   * This file is licensed under the terms of the GNU General Public
   * License version 2.  This program is licensed "as is" without any
   * warranty of any kind, whether express or implied.
   */
  #include <linux/gpio.h>
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/io.h>
  #include <mach/hardware.h>
  #include <plat/mpp.h>
  #include "common.h"
  #include "mpp.h"
  
  static unsigned int __init kirkwood_variant(void)
  {
  	u32 dev, rev;
  
  	kirkwood_pcie_id(&dev, &rev);
  
  	if (dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0)
  		return MPP_F6281_MASK;
  	if (dev == MV88F6282_DEV_ID)
  		return MPP_F6282_MASK;
  	if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
  		return MPP_F6192_MASK;
  	if (dev == MV88F6180_DEV_ID)
  		return MPP_F6180_MASK;
  
  	pr_err("MPP setup: unknown kirkwood variant (dev %#x rev %#x)
  ",
  	       dev, rev);
  	return 0;
  }
  
  void __init kirkwood_mpp_conf(unsigned int *mpp_list)
  {
  	orion_mpp_conf(mpp_list, kirkwood_variant(),
  		       MPP_MAX, DEV_BUS_VIRT_BASE);
  }