cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mpp.c (959B)

      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
     19static 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
     40void __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}