LXR linux/arch/arm/mach-mv78xx0/mpp.c

   1/*
   2 * arch/arm/mach-mv78x00/mpp.c
   3 *
   4 * MPP functions for Marvell MV78x00 SoCs
   5 *
   6 * This file is licensed under the terms of the GNU General Public
   7 * License version 2.  This program is licensed "as is" without any
   8 * warranty of any kind, whether express or implied.
   9 */
  10#include <linux/gpio.h>
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/io.h>
  14#include <plat/mpp.h>
  15#include "mv78xx0.h"
  16#include "common.h"
  17#include "mpp.h"
  18
  19static unsigned int __init mv78xx0_variant(void)
  20{
  21        u32 dev, rev;
  22
  23        mv78xx0_pcie_id(&dev, &rev);
  24
  25        if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
  26                return MPP_78100_A0_MASK;
  27
  28        printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
  29                        "(dev %#x rev %#x)\n", dev, rev);
  30        return 0;
  31}
  32
  33void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
  34{
  35        orion_mpp_conf(mpp_list, mv78xx0_variant(),
  36                       MPP_MAX, DEV_BUS_VIRT_BASE);
  37}
  38