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 *
30 * Helper functions to abstract board specific data about
31 * network ports from the rest of the cvmx-helper files.
32 *
33 */
34 #ifndef __CVMX_HELPER_BOARD_H__
35 #define __CVMX_HELPER_BOARD_H__
36
37 #include <asm/octeon/cvmx-helper.h>
38
39 enum cvmx_helper_board_usb_clock_types {
40 USB_CLOCK_TYPE_REF_12,
41 USB_CLOCK_TYPE_REF_24,
42 USB_CLOCK_TYPE_REF_48,
43 USB_CLOCK_TYPE_CRYSTAL_12,
44 };
45
46 typedef enum {
47 set_phy_link_flags_autoneg = 0x1,
48 set_phy_link_flags_flow_control_dont_touch = 0x0 << 1,
49 set_phy_link_flags_flow_control_enable = 0x1 << 1,
50 set_phy_link_flags_flow_control_disable = 0x2 << 1,
51 set_phy_link_flags_flow_control_mask = 0x3 << 1, /* Mask for 2 bit wide flow control field */
52 } cvmx_helper_board_set_phy_link_flags_types_t;
53
54 /*
55 * Fake IPD port, the RGMII/MII interface may use different PHY, use
56 * this macro to return appropriate MIX address to read the PHY.
57 */
58 #define CVMX_HELPER_BOARD_MGMT_IPD_PORT -10
59
60 /**
61 * Return the MII PHY address associated with the given IPD
62 * port. A result of -1 means there isn't a MII capable PHY
63 * connected to this port. On chips supporting multiple MII
64 * busses the bus number is encoded in bits <15:8>.
65 *
66 * This function must be modified for every new Octeon board.
67 * Internally it uses switch statements based on the cvmx_sysinfo
68 * data to determine board types and revisions. It relies on the
69 * fact that every Octeon board receives a unique board type
70 * enumeration from the bootloader.
71 *
72 * @ipd_port: Octeon IPD port to get the MII address for.
73 *
74 * Returns MII PHY address and bus number or -1.
75 */
76 extern int cvmx_helper_board_get_mii_address(int ipd_port);
77
78 /**
79 * This function is the board specific method of determining an
80 * ethernet ports link speed. Most Octeon boards have Marvell PHYs
81 * and are handled by the fall through case. This function must be
82 * updated for boards that don't have the normal Marvell PHYs.
83 *
84 * This function must be modified for every new Octeon board.
85 * Internally it uses switch statements based on the cvmx_sysinfo
86 * data to determine board types and revisions. It relies on the
87 * fact that every Octeon board receives a unique board type
88 * enumeration from the bootloader.
89 *
90 * @ipd_port: IPD input port associated with the port we want to get link
91 * status for.
92 *
93 * Returns The ports link status. If the link isn't fully resolved, this must
94 * return zero.
95 */
96 extern union cvmx_helper_link_info __cvmx_helper_board_link_get(int ipd_port);
97
98 /**
99 * This function is called by cvmx_helper_interface_probe() after it
100 * determines the number of ports Octeon can support on a specific
101 * interface. This function is the per board location to override
102 * this value. It is called with the number of ports Octeon might
103 * support and should return the number of actual ports on the
104 * board.
105 *
106 * This function must be modified for every new Octeon board.
107 * Internally it uses switch statements based on the cvmx_sysinfo
108 * data to determine board types and revisions. It relies on the
109 * fact that every Octeon board receives a unique board type
110 * enumeration from the bootloader.
111 *
112 * @interface: Interface to probe
113 * @supported_ports:
114 * Number of ports Octeon supports.
115 *
116 * Returns Number of ports the actual board supports. Many times this will
117 * simple be "support_ports".
118 */
119 extern int __cvmx_helper_board_interface_probe(int interface,
120 int supported_ports);
121
122 enum cvmx_helper_board_usb_clock_types __cvmx_helper_board_usb_get_clock_type(void);
123
124 #endif /* __CVMX_HELPER_BOARD_H__ */
125
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