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/io.h>
  14 #include <plat/mpp.h>
  15 #include "orion5x.h"
  16 #include "mpp.h"
  17 #include "common.h"
  18
  19 static unsigned int __init orion5x_variant(void)
  20 {
  21         u32 dev;
  22         u32 rev;
  23
  24         orion5x_pcie_id(&dev, &rev);
  25
  26         if (dev == MV88F5181_DEV_ID)
  27                 return MPP_F5181_MASK;
  28
  29         if (dev == MV88F5182_DEV_ID)
  30                 return MPP_F5182_MASK;
  31
  32         if (dev == MV88F5281_DEV_ID)
  33                 return MPP_F5281_MASK;
  34
  35         printk(KERN_ERR "MPP setup: unknown orion5x variant "
  36                "(dev %#x rev %#x)\n", dev, rev);
  37         return 0;
  38 }
  39
  40 void __init orion5x_mpp_conf(unsigned int *mpp_list)
  41 {
  42         orion_mpp_conf(mpp_list, orion5x_variant(),
  43                        MPP_MAX, ORION5X_DEV_BUS_VIRT_BASE);
  44 }