/*
   * Copyright 2008 Freescale Semiconductor, Inc.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * Version 2 as published by the Free Software Foundation.
   *
   * This program 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 this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  #include <common.h>
  #include <addr_map.h>
  
  static struct {
  	phys_addr_t paddr;
  	phys_size_t size;
  	unsigned long vaddr;
  } address_map[CONFIG_SYS_NUM_ADDR_MAP];
  
  phys_addr_t addrmap_virt_to_phys(void * vaddr)
  {
  	int i;
  
  	for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
  		u64 base, upper, addr;
  
  		if (address_map[i].size == 0)
  			continue;
  
  		addr = (u64)((u32)vaddr);
  		base = (u64)(address_map[i].vaddr);
  		upper = (u64)(address_map[i].size) + base - 1;
  
  		if (addr >= base && addr <= upper) {
  			return addr - address_map[i].vaddr + address_map[i].paddr;
  		}
  	}
  
  	return (phys_addr_t)(~0);
  }

  void *addrmap_phys_to_virt(phys_addr_t paddr)

  {
  	int i;
  
  	for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {

  		phys_addr_t base, upper;

  
  		if (address_map[i].size == 0)
  			continue;

  		base = address_map[i].paddr;
  		upper = address_map[i].size + base - 1;

  		if (paddr >= base && paddr <= upper) {
  			phys_addr_t offset;
  
  			offset = address_map[i].paddr - address_map[i].vaddr;
  
  			return (void *)(unsigned long)(paddr - offset);

  		}
  	}

  	return (void *)(~0);

  }
  
  void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
  			phys_size_t size, int idx)
  {
  	if (idx > CONFIG_SYS_NUM_ADDR_MAP)
  		return;
  
  	address_map[idx].vaddr = vaddr;
  	address_map[idx].paddr = paddr;
  	address_map[idx].size  = size;
  }