| /***********************license start*************** |
| * Author: Cavium Networks |
| * |
| * Contact: support@caviumnetworks.com |
| * This file is part of the OCTEON SDK |
| * |
| * Copyright (c) 2003-2008 Cavium Networks |
| * |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, Version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This file is distributed in the hope that it will be useful, but |
| * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or |
| * NONINFRINGEMENT. See the GNU General Public License for more |
| * details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this file; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * or visit http://www.gnu.org/licenses/. |
| * |
| * This file may also be available under a different license from Cavium. |
| * Contact Cavium Networks for more information |
| ***********************license end**************************************/ |
| |
| /** |
| * @file |
| * |
| * Functions for RGMII/GMII/MII initialization, configuration, |
| * and monitoring. |
| * |
| */ |
| #ifndef __CVMX_HELPER_RGMII_H__ |
| #define __CVMX_HELPER_RGMII_H__ |
| |
| /** |
| * Probe RGMII ports and determine the number present |
| * |
| * @interface: Interface to probe |
| * |
| * Returns Number of RGMII/GMII/MII ports (0-4). |
| */ |
| extern int __cvmx_helper_rgmii_probe(int interface); |
| |
| /** |
| * Put an RGMII interface in loopback mode. Internal packets sent |
| * out will be received back again on the same port. Externally |
| * received packets will echo back out. |
| * |
| * @port: IPD port number to loop. |
| */ |
| extern void cvmx_helper_rgmii_internal_loopback(int port); |
| |
| /** |
| * Configure all of the ASX, GMX, and PKO regsiters required |
| * to get RGMII to function on the supplied interface. |
| * |
| * @interface: PKO Interface to configure (0 or 1) |
| * |
| * Returns Zero on success |
| */ |
| extern int __cvmx_helper_rgmii_enable(int interface); |
| |
| /** |
| * Return the link state of an IPD/PKO port as returned by |
| * auto negotiation. The result of this function may not match |
| * Octeon's link config if auto negotiation has changed since |
| * the last call to cvmx_helper_link_set(). |
| * |
| * @ipd_port: IPD/PKO port to query |
| * |
| * Returns Link state |
| */ |
| extern cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port); |
| |
| /** |
| * Configure an IPD/PKO port for the specified link state. This |
| * function does not influence auto negotiation at the PHY level. |
| * The passed link state must always match the link state returned |
| * by cvmx_helper_link_get(). It is normally best to use |
| * cvmx_helper_link_autoconf() instead. |
| * |
| * @ipd_port: IPD/PKO port to configure |
| * @link_info: The new link state |
| * |
| * Returns Zero on success, negative on failure |
| */ |
| extern int __cvmx_helper_rgmii_link_set(int ipd_port, |
| cvmx_helper_link_info_t link_info); |
| |
| /** |
| * Configure a port for internal and/or external loopback. Internal loopback |
| * causes packets sent by the port to be received by Octeon. External loopback |
| * causes packets received from the wire to sent out again. |
| * |
| * @ipd_port: IPD/PKO port to loopback. |
| * @enable_internal: |
| * Non zero if you want internal loopback |
| * @enable_external: |
| * Non zero if you want external loopback |
| * |
| * Returns Zero on success, negative on failure. |
| */ |
| extern int __cvmx_helper_rgmii_configure_loopback(int ipd_port, |
| int enable_internal, |
| int enable_external); |
| |
| #endif |
