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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cvmx-helper-rgmii.h (2964B)

      1/***********************license start***************
      2 * Author: Cavium Networks
      3 *
      4 * Contact: support@caviumnetworks.com
      5 * This file is part of the OCTEON SDK
      6 *
      7 * Copyright (c) 2003-2008 Cavium Networks
      8 *
      9 * This file is free software; you can redistribute it and/or modify
     10 * it under the terms of the GNU General Public License, Version 2, as
     11 * published by the Free Software Foundation.
     12 *
     13 * This file is distributed in the hope that it will be useful, but
     14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
     15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
     16 * NONINFRINGEMENT.  See the GNU General Public License for more
     17 * details.
     18 *
     19 * You should have received a copy of the GNU General Public License
     20 * along with this file; if not, write to the Free Software
     21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
     22 * or visit http://www.gnu.org/licenses/.
     23 *
     24 * This file may also be available under a different license from Cavium.
     25 * Contact Cavium Networks for more information
     26 ***********************license end**************************************/
     27
     28/**
     29 * @file
     30 *
     31 * Functions for RGMII/GMII/MII initialization, configuration,
     32 * and monitoring.
     33 *
     34 */
     35#ifndef __CVMX_HELPER_RGMII_H__
     36#define __CVMX_HELPER_RGMII_H__
     37
     38/**
     39 * Probe RGMII ports and determine the number present
     40 *
     41 * @interface: Interface to probe
     42 *
     43 * Returns Number of RGMII/GMII/MII ports (0-4).
     44 */
     45extern int __cvmx_helper_rgmii_probe(int interface);
     46#define __cvmx_helper_rgmii_enumerate __cvmx_helper_rgmii_probe
     47
     48/**
     49 * Put an RGMII interface in loopback mode. Internal packets sent
     50 * out will be received back again on the same port. Externally
     51 * received packets will echo back out.
     52 *
     53 * @port:   IPD port number to loop.
     54 */
     55extern void cvmx_helper_rgmii_internal_loopback(int port);
     56
     57/**
     58 * Configure all of the ASX, GMX, and PKO registers required
     59 * to get RGMII to function on the supplied interface.
     60 *
     61 * @interface: PKO Interface to configure (0 or 1)
     62 *
     63 * Returns Zero on success
     64 */
     65extern int __cvmx_helper_rgmii_enable(int interface);
     66
     67/**
     68 * Return the link state of an IPD/PKO port as returned by
     69 * auto negotiation. The result of this function may not match
     70 * Octeon's link config if auto negotiation has changed since
     71 * the last call to cvmx_helper_link_set().
     72 *
     73 * @ipd_port: IPD/PKO port to query
     74 *
     75 * Returns Link state
     76 */
     77extern union cvmx_helper_link_info __cvmx_helper_rgmii_link_get(int ipd_port);
     78
     79/**
     80 * Configure an IPD/PKO port for the specified link state. This
     81 * function does not influence auto negotiation at the PHY level.
     82 * The passed link state must always match the link state returned
     83 * by cvmx_helper_link_get().
     84 *
     85 * @ipd_port:  IPD/PKO port to configure
     86 * @link_info: The new link state
     87 *
     88 * Returns Zero on success, negative on failure
     89 */
     90extern int __cvmx_helper_rgmii_link_set(int ipd_port,
     91					union cvmx_helper_link_info link_info);
     92
     93#endif