| /***********************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); | |
| #define __cvmx_helper_rgmii_enumerate __cvmx_helper_rgmii_probe | |
| /** | |
| * 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 |