arch/arm/mach-mv78xx0/mpp.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * arch/arm/mach-mv78x00/mpp.c
   4  *
   5  * MPP functions for Marvell MV78x00 SoCs
   6  */
   7 #include <linux/gpio.h>
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/io.h>
  11 #include <plat/mpp.h>
  12 #include "mv78xx0.h"
  13 #include "common.h"
  14 #include "mpp.h"
  15
  16 static unsigned int __init mv78xx0_variant(void)
  17 {
  18         u32 dev, rev;
  19
  20         mv78xx0_pcie_id(&dev, &rev);
  21
  22         if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
  23                 return MPP_78100_A0_MASK;
  24
  25         printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
  26                         "(dev %#x rev %#x)\n", dev, rev);
  27         return 0;
  28 }
  29
  30 void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
  31 {
  32         orion_mpp_conf(mpp_list, mv78xx0_variant(),
  33                        MPP_MAX, DEV_BUS_VIRT_BASE);
  34 }