arch/arm/mach-orion5x/mpp.c

   1 /*
   2  * arch/arm/mach-orion5x/mpp.c
   3  *
   4  * MPP functions for Marvell Orion 5x 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
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/mbus.h>
  14 #include <linux/io.h>
  15 #include <mach/hardware.h>
  16 #include <plat/mpp.h>
  17 #include "mpp.h"
  18 #include "common.h"
  19
  20 static unsigned int __init orion5x_variant(void)
  21 {
  22         u32 dev;
  23         u32 rev;
  24
  25         orion5x_pcie_id(&dev, &rev);
  26
  27         if (dev == MV88F5181_DEV_ID)
  28                 return MPP_F5181_MASK;
  29
  30         if (dev == MV88F5182_DEV_ID)
  31                 return MPP_F5182_MASK;
  32
  33         if (dev == MV88F5281_DEV_ID)
  34                 return MPP_F5281_MASK;
  35
  36         printk(KERN_ERR "MPP setup: unknown orion5x variant "
  37                "(dev %#x rev %#x)\n", dev, rev);
  38         return 0;
  39 }
  40
  41 void __init orion5x_mpp_conf(unsigned int *mpp_list)
  42 {
  43         orion_mpp_conf(mpp_list, orion5x_variant(),
  44                        MPP_MAX, ORION5X_DEV_BUS_VIRT_BASE);
  45 }