1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/***********************license start***************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
***********************license end**************************************/
/*
*
* Helper functions for common, but complicated tasks.
*
*/
#ifndef __CVMX_HELPER_H__
#define __CVMX_HELPER_H__
#include <asm/octeon/cvmx-config.h>
#include <asm/octeon/cvmx-fpa.h>
#include <asm/octeon/cvmx-wqe.h>
typedef enum {
CVMX_HELPER_INTERFACE_MODE_DISABLED,
CVMX_HELPER_INTERFACE_MODE_RGMII,
CVMX_HELPER_INTERFACE_MODE_GMII,
CVMX_HELPER_INTERFACE_MODE_SPI,
CVMX_HELPER_INTERFACE_MODE_PCIE,
CVMX_HELPER_INTERFACE_MODE_XAUI,
CVMX_HELPER_INTERFACE_MODE_SGMII,
CVMX_HELPER_INTERFACE_MODE_PICMG,
CVMX_HELPER_INTERFACE_MODE_NPI,
CVMX_HELPER_INTERFACE_MODE_LOOP,
} cvmx_helper_interface_mode_t;
union cvmx_helper_link_info {
uint64_t u64;
struct {
uint64_t reserved_20_63:44;
uint64_t link_up:1; /**< Is the physical link up? */
uint64_t full_duplex:1; /**< 1 if the link is full duplex */
uint64_t speed:18; /**< Speed of the link in Mbps */
} s;
};
#include <asm/octeon/cvmx-helper-errata.h>
#include <asm/octeon/cvmx-helper-loop.h>
#include <asm/octeon/cvmx-helper-npi.h>
#include <asm/octeon/cvmx-helper-rgmii.h>
#include <asm/octeon/cvmx-helper-sgmii.h>
#include <asm/octeon/cvmx-helper-spi.h>
#include <asm/octeon/cvmx-helper-util.h>
#include <asm/octeon/cvmx-helper-xaui.h>
/**
* This function enables the IPD and also enables the packet interfaces.
* The packet interfaces (RGMII and SPI) must be enabled after the
* IPD. This should be called by the user program after any additional
* IPD configuration changes are made if CVMX_HELPER_ENABLE_IPD
* is not set in the executive-config.h file.
*
* Returns 0 on success
* -1 on failure
*/
extern int cvmx_helper_ipd_and_packet_input_enable(void);
/**
* Initialize the PIP, IPD, and PKO hardware to support
* simple priority based queues for the ethernet ports. Each
* port is configured with a number of priority queues based
* on CVMX_PKO_QUEUES_PER_PORT_* where each queue is lower
* priority than the previous.
*
* Returns Zero on success, non-zero on failure
*/
extern int cvmx_helper_initialize_packet_io_global(void);
/**
* Returns the number of ports on the given interface.
* The interface must be initialized before the port count
* can be returned.
*
* @interface: Which interface to return port count for.
*
* Returns Port count for interface
* -1 for uninitialized interface
*/
extern int cvmx_helper_ports_on_interface(int interface);
/**
* Return the number of interfaces the chip has. Each interface
* may have multiple ports. Most chips support two interfaces,
* but the CNX0XX and CNX1XX are exceptions. These only support
* one interface.
*
* Returns Number of interfaces on chip
*/
extern int cvmx_helper_get_number_of_interfaces(void);
/**
* Get the operating mode of an interface. Depending on the Octeon
* chip and configuration, this function returns an enumeration
* of the type of packet I/O supported by an interface.
*
* @interface: Interface to probe
*
* Returns Mode of the interface. Unknown or unsupported interfaces return
* DISABLED.
*/
extern cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int
interface);
/**
* Return the link state of an IPD/PKO port as returned by
* auto negotiation. The result of this function may not match
* Octeon's link config if auto negotiation has changed since
* the last call to cvmx_helper_link_set().
*
* @ipd_port: IPD/PKO port to query
*
* Returns Link state
*/
extern union cvmx_helper_link_info cvmx_helper_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
* function does not influence auto negotiation at the PHY level.
* The passed link state must always match the link state returned
* by cvmx_helper_link_get().
*
* @ipd_port: IPD/PKO port to configure
* @link_info: The new link state
*
* Returns Zero on success, negative on failure
*/
extern int cvmx_helper_link_set(int ipd_port,
union cvmx_helper_link_info link_info);
/**
* This function probes an interface to determine the actual
* number of hardware ports connected to it. It doesn't setup the
* ports or enable them. The main goal here is to set the global
* interface_port_count[interface] correctly. Hardware setup of the
* ports will be performed later.
*
* @interface: Interface to probe
*
* Returns Zero on success, negative on failure
*/
extern int cvmx_helper_interface_probe(int interface);
extern int cvmx_helper_interface_enumerate(int interface);
#endif /* __CVMX_HELPER_H__ */
|
