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87 lines
2.7 KiB
87 lines
2.7 KiB
/***********************license start*************** |
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* Author: Cavium Networks |
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* |
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* Contact: [email protected] |
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* This file is part of the OCTEON SDK |
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* |
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* Copyright (c) 2003-2008 Cavium Networks |
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* |
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* This file is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License, Version 2, as |
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* published by the Free Software Foundation. |
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* |
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* This file is distributed in the hope that it will be useful, but |
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* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty |
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or |
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* NONINFRINGEMENT. See the GNU General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this file; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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* or visit http://www.gnu.org/licenses/. |
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* |
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* This file may also be available under a different license from Cavium. |
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* Contact Cavium Networks for more information |
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***********************license end**************************************/ |
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/** |
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* @file |
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* |
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* Functions for SGMII initialization, configuration, |
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* and monitoring. |
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* |
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*/ |
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#ifndef __CVMX_HELPER_SGMII_H__ |
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#define __CVMX_HELPER_SGMII_H__ |
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/** |
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* Probe a SGMII interface and determine the number of ports |
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* connected to it. The SGMII interface should still be down after |
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* this call. |
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* |
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* @interface: Interface to probe |
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* |
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* Returns Number of ports on the interface. Zero to disable. |
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*/ |
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extern int __cvmx_helper_sgmii_probe(int interface); |
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extern int __cvmx_helper_sgmii_enumerate(int interface); |
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/** |
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* Bringup and enable a SGMII interface. After this call packet |
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* I/O should be fully functional. This is called with IPD |
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* enabled but PKO disabled. |
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* |
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* @interface: Interface to bring up |
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* |
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* Returns Zero on success, negative on failure |
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*/ |
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extern int __cvmx_helper_sgmii_enable(int interface); |
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/** |
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* Return the link state of an IPD/PKO port as returned by |
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* auto negotiation. The result of this function may not match |
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* Octeon's link config if auto negotiation has changed since |
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* the last call to cvmx_helper_link_set(). |
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* |
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* @ipd_port: IPD/PKO port to query |
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* |
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* Returns Link state |
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*/ |
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extern union cvmx_helper_link_info __cvmx_helper_sgmii_link_get(int ipd_port); |
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/** |
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* Configure an IPD/PKO port for the specified link state. This |
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* function does not influence auto negotiation at the PHY level. |
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* The passed link state must always match the link state returned |
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* by cvmx_helper_link_get(). |
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* |
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* @ipd_port: IPD/PKO port to configure |
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* @link_info: The new link state |
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* |
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* Returns Zero on success, negative on failure |
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*/ |
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extern int __cvmx_helper_sgmii_link_set(int ipd_port, |
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union cvmx_helper_link_info link_info); |
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#endif
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