| David Daney | 80ff0fd | 2009-05-05 17:35:21 -0700 | [diff] [blame] | 1 | /***********************license start*************** |
| 2 | * Author: Cavium Networks |
| 3 | * |
| 4 | * Contact: support@caviumnetworks.com |
| 5 | * This file is part of the OCTEON SDK |
| 6 | * |
| 7 | * Copyright (c) 2003-2008 Cavium Networks |
| 8 | * |
| 9 | * This file is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License, Version 2, as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * This file is distributed in the hope that it will be useful, but |
| 14 | * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty |
| 15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or |
| 16 | * NONINFRINGEMENT. See the GNU General Public License for more |
| 17 | * details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this file; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | * or visit http://www.gnu.org/licenses/. |
| 23 | * |
| 24 | * This file may also be available under a different license from Cavium. |
| 25 | * Contact Cavium Networks for more information |
| 26 | ***********************license end**************************************/ |
| 27 | |
| 28 | /** |
| 29 | * @file |
| 30 | * |
| 31 | * Functions for RGMII/GMII/MII initialization, configuration, |
| 32 | * and monitoring. |
| 33 | * |
| 34 | */ |
| 35 | #ifndef __CVMX_HELPER_RGMII_H__ |
| 36 | #define __CVMX_HELPER_RGMII_H__ |
| 37 | |
| 38 | /** |
| 39 | * Probe RGMII ports and determine the number present |
| 40 | * |
| 41 | * @interface: Interface to probe |
| 42 | * |
| 43 | * Returns Number of RGMII/GMII/MII ports (0-4). |
| 44 | */ |
| 45 | extern int __cvmx_helper_rgmii_probe(int interface); |
| David Daney | 37d3bfd | 2011-11-22 14:47:03 +0000 | [diff] [blame] | 46 | #define __cvmx_helper_rgmii_enumerate __cvmx_helper_rgmii_probe |
| David Daney | 80ff0fd | 2009-05-05 17:35:21 -0700 | [diff] [blame] | 47 | |
| 48 | /** |
| 49 | * Put an RGMII interface in loopback mode. Internal packets sent |
| 50 | * out will be received back again on the same port. Externally |
| 51 | * received packets will echo back out. |
| 52 | * |
| 53 | * @port: IPD port number to loop. |
| 54 | */ |
| 55 | extern void cvmx_helper_rgmii_internal_loopback(int port); |
| 56 | |
| 57 | /** |
| 58 | * Configure all of the ASX, GMX, and PKO regsiters required |
| 59 | * to get RGMII to function on the supplied interface. |
| 60 | * |
| 61 | * @interface: PKO Interface to configure (0 or 1) |
| 62 | * |
| 63 | * Returns Zero on success |
| 64 | */ |
| 65 | extern int __cvmx_helper_rgmii_enable(int interface); |
| 66 | |
| 67 | /** |
| 68 | * Return the link state of an IPD/PKO port as returned by |
| 69 | * auto negotiation. The result of this function may not match |
| 70 | * Octeon's link config if auto negotiation has changed since |
| 71 | * the last call to cvmx_helper_link_set(). |
| 72 | * |
| 73 | * @ipd_port: IPD/PKO port to query |
| 74 | * |
| 75 | * Returns Link state |
| 76 | */ |
| 77 | extern cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port); |
| 78 | |
| 79 | /** |
| 80 | * Configure an IPD/PKO port for the specified link state. This |
| 81 | * function does not influence auto negotiation at the PHY level. |
| 82 | * The passed link state must always match the link state returned |
| 83 | * by cvmx_helper_link_get(). It is normally best to use |
| 84 | * cvmx_helper_link_autoconf() instead. |
| 85 | * |
| 86 | * @ipd_port: IPD/PKO port to configure |
| 87 | * @link_info: The new link state |
| 88 | * |
| 89 | * Returns Zero on success, negative on failure |
| 90 | */ |
| 91 | extern int __cvmx_helper_rgmii_link_set(int ipd_port, |
| 92 | cvmx_helper_link_info_t link_info); |
| 93 | |
| 94 | /** |
| 95 | * Configure a port for internal and/or external loopback. Internal loopback |
| 96 | * causes packets sent by the port to be received by Octeon. External loopback |
| 97 | * causes packets received from the wire to sent out again. |
| 98 | * |
| 99 | * @ipd_port: IPD/PKO port to loopback. |
| 100 | * @enable_internal: |
| Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 101 | * Non zero if you want internal loopback |
| David Daney | 80ff0fd | 2009-05-05 17:35:21 -0700 | [diff] [blame] | 102 | * @enable_external: |
| Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 103 | * Non zero if you want external loopback |
| David Daney | 80ff0fd | 2009-05-05 17:35:21 -0700 | [diff] [blame] | 104 | * |
| 105 | * Returns Zero on success, negative on failure. |
| 106 | */ |
| 107 | extern int __cvmx_helper_rgmii_configure_loopback(int ipd_port, |
| 108 | int enable_internal, |
| 109 | int enable_external); |
| 110 | |
| 111 | #endif |