1215976Sjmallett/***********************license start*************** 2232812Sjmallett * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights 3215976Sjmallett * reserved. 4215976Sjmallett * 5215976Sjmallett * 6215976Sjmallett * Redistribution and use in source and binary forms, with or without 7215976Sjmallett * modification, are permitted provided that the following conditions are 8215976Sjmallett * met: 9215976Sjmallett * 10215976Sjmallett * * Redistributions of source code must retain the above copyright 11215976Sjmallett * notice, this list of conditions and the following disclaimer. 12215976Sjmallett * 13215976Sjmallett * * Redistributions in binary form must reproduce the above 14215976Sjmallett * copyright notice, this list of conditions and the following 15215976Sjmallett * disclaimer in the documentation and/or other materials provided 16215976Sjmallett * with the distribution. 17215976Sjmallett 18232812Sjmallett * * Neither the name of Cavium Inc. nor the names of 19215976Sjmallett * its contributors may be used to endorse or promote products 20215976Sjmallett * derived from this software without specific prior written 21215976Sjmallett * permission. 22215976Sjmallett 23215976Sjmallett * This Software, including technical data, may be subject to U.S. export control 24215976Sjmallett * laws, including the U.S. Export Administration Act and its associated 25215976Sjmallett * regulations, and may be subject to export or import regulations in other 26215976Sjmallett * countries. 27215976Sjmallett 28215976Sjmallett * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 29232812Sjmallett * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR 30215976Sjmallett * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO 31215976Sjmallett * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 32215976Sjmallett * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 33215976Sjmallett * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 34215976Sjmallett * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 35215976Sjmallett * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 36215976Sjmallett * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 37215976Sjmallett * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 38215976Sjmallett ***********************license end**************************************/ 39215976Sjmallett 40215976Sjmallett 41215976Sjmallett 42215976Sjmallett 43215976Sjmallett 44215976Sjmallett 45215976Sjmallett 46215976Sjmallett/** 47215976Sjmallett * @file 48215976Sjmallett * 49215976Sjmallett * Functions for SRIO initialization, configuration, 50215976Sjmallett * and monitoring. 51215976Sjmallett * 52215976Sjmallett * <hr>$Revision: 41586 $<hr> 53215976Sjmallett */ 54215976Sjmallett#ifndef __CVMX_HELPER_SRIO_H__ 55215976Sjmallett#define __CVMX_HELPER_SRIO_H__ 56215976Sjmallett 57215976Sjmallett/** 58215976Sjmallett * @INTERNAL 59215976Sjmallett * Probe a SRIO interface and determine the number of ports 60215976Sjmallett * connected to it. The SRIO interface should still be down after 61215976Sjmallett * this call. 62215976Sjmallett * 63215976Sjmallett * @param interface Interface to probe 64215976Sjmallett * 65215976Sjmallett * @return Number of ports on the interface. Zero to disable. 66215976Sjmallett */ 67215976Sjmallettextern int __cvmx_helper_srio_probe(int interface); 68232812Sjmallettstatic inline int __cvmx_helper_srio_enumerate(int interface) 69232812Sjmallett{ 70232812Sjmallett return __cvmx_helper_srio_probe(interface); 71232812Sjmallett} 72215976Sjmallett 73215976Sjmallett/** 74215976Sjmallett * @INTERNAL 75215976Sjmallett * Bringup and enable a SRIO interface. After this call packet 76215976Sjmallett * I/O should be fully functional. This is called with IPD 77215976Sjmallett * enabled but PKO disabled. 78215976Sjmallett * 79215976Sjmallett * @param interface Interface to bring up 80215976Sjmallett * 81215976Sjmallett * @return Zero on success, negative on failure 82215976Sjmallett */ 83215976Sjmallettextern int __cvmx_helper_srio_enable(int interface); 84215976Sjmallett 85215976Sjmallett/** 86215976Sjmallett * @INTERNAL 87215976Sjmallett * Return the link state of an IPD/PKO port as returned by SRIO link status. 88215976Sjmallett * 89215976Sjmallett * @param ipd_port IPD/PKO port to query 90215976Sjmallett * 91215976Sjmallett * @return Link state 92215976Sjmallett */ 93215976Sjmallettextern cvmx_helper_link_info_t __cvmx_helper_srio_link_get(int ipd_port); 94215976Sjmallett 95215976Sjmallett/** 96215976Sjmallett * @INTERNAL 97215976Sjmallett * Configure an IPD/PKO port for the specified link state. This 98215976Sjmallett * function does not influence auto negotiation at the PHY level. 99215976Sjmallett * The passed link state must always match the link state returned 100215976Sjmallett * by cvmx_helper_link_get(). It is normally best to use 101215976Sjmallett * cvmx_helper_link_autoconf() instead. 102215976Sjmallett * 103215976Sjmallett * @param ipd_port IPD/PKO port to configure 104215976Sjmallett * @param link_info The new link state 105215976Sjmallett * 106215976Sjmallett * @return Zero on success, negative on failure 107215976Sjmallett */ 108215976Sjmallettextern int __cvmx_helper_srio_link_set(int ipd_port, cvmx_helper_link_info_t link_info); 109215976Sjmallett 110215976Sjmallett#endif 111215976Sjmallett 112