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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 SGMII initialization, configuration, | |
32 | * and monitoring. | |
33 | * | |
34 | */ | |
35 | #ifndef __CVMX_HELPER_SGMII_H__ | |
36 | #define __CVMX_HELPER_SGMII_H__ | |
37 | ||
38 | /** | |
39 | * Probe a SGMII interface and determine the number of ports | |
40 | * connected to it. The SGMII interface should still be down after | |
41 | * this call. | |
42 | * | |
43 | * @interface: Interface to probe | |
44 | * | |
45 | * Returns Number of ports on the interface. Zero to disable. | |
46 | */ | |
47 | extern int __cvmx_helper_sgmii_probe(int interface); | |
37d3bfd9 | 48 | extern int __cvmx_helper_sgmii_enumerate(int interface); |
80ff0fd3 DD |
49 | |
50 | /** | |
51 | * Bringup and enable a SGMII interface. After this call packet | |
52 | * I/O should be fully functional. This is called with IPD | |
53 | * enabled but PKO disabled. | |
54 | * | |
55 | * @interface: Interface to bring up | |
56 | * | |
57 | * Returns Zero on success, negative on failure | |
58 | */ | |
59 | extern int __cvmx_helper_sgmii_enable(int interface); | |
60 | ||
61 | /** | |
62 | * Return the link state of an IPD/PKO port as returned by | |
63 | * auto negotiation. The result of this function may not match | |
64 | * Octeon's link config if auto negotiation has changed since | |
65 | * the last call to cvmx_helper_link_set(). | |
66 | * | |
67 | * @ipd_port: IPD/PKO port to query | |
68 | * | |
69 | * Returns Link state | |
70 | */ | |
71 | extern cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port); | |
72 | ||
73 | /** | |
74 | * Configure an IPD/PKO port for the specified link state. This | |
75 | * function does not influence auto negotiation at the PHY level. | |
76 | * The passed link state must always match the link state returned | |
77 | * by cvmx_helper_link_get(). It is normally best to use | |
78 | * cvmx_helper_link_autoconf() instead. | |
79 | * | |
80 | * @ipd_port: IPD/PKO port to configure | |
81 | * @link_info: The new link state | |
82 | * | |
83 | * Returns Zero on success, negative on failure | |
84 | */ | |
85 | extern int __cvmx_helper_sgmii_link_set(int ipd_port, | |
86 | cvmx_helper_link_info_t link_info); | |
87 | ||
88 | /** | |
89 | * Configure a port for internal and/or external loopback. Internal loopback | |
90 | * causes packets sent by the port to be received by Octeon. External loopback | |
91 | * causes packets received from the wire to sent out again. | |
92 | * | |
93 | * @ipd_port: IPD/PKO port to loopback. | |
94 | * @enable_internal: | |
70342287 | 95 | * Non zero if you want internal loopback |
80ff0fd3 | 96 | * @enable_external: |
70342287 | 97 | * Non zero if you want external loopback |
80ff0fd3 DD |
98 | * |
99 | * Returns Zero on success, negative on failure. | |
100 | */ | |
101 | extern int __cvmx_helper_sgmii_configure_loopback(int ipd_port, | |
102 | int enable_internal, | |
103 | int enable_external); | |
104 | ||
105 | #endif |