2024-09-09 08:52:07 +00:00
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/***********************license start***************
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* Author: Cavium Networks
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*
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* Contact: support@caviumnetworks.com
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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 XAUI initialization, configuration,
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* and monitoring.
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*
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*/
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#ifndef __CVMX_HELPER_XAUI_H__
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#define __CVMX_HELPER_XAUI_H__
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/**
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* Probe a XAUI interface and determine the number of ports
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* connected to it. The XAUI interface should still be down
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* after 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_xaui_probe(int interface);
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extern int __cvmx_helper_xaui_enumerate(int interface);
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/**
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* Bringup and enable a XAUI 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_xaui_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 cvmx_helper_link_info_t __cvmx_helper_xaui_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(). It is normally best to use
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* cvmx_helper_link_autoconf() instead.
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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_xaui_link_set(int ipd_port,
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cvmx_helper_link_info_t link_info);
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/**
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* Configure a port for internal and/or external loopback. Internal loopback
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* causes packets sent by the port to be received by Octeon. External loopback
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* causes packets received from the wire to sent out again.
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*
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* @ipd_port: IPD/PKO port to loopback.
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* @enable_internal:
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2024-09-09 08:57:42 +00:00
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* Non zero if you want internal loopback
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2024-09-09 08:52:07 +00:00
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* @enable_external:
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2024-09-09 08:57:42 +00:00
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* Non zero if you want external loopback
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2024-09-09 08:52:07 +00:00
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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_xaui_configure_loopback(int ipd_port,
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int enable_internal,
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int enable_external);
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#endif
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