arch/mips/include/asm/octeon/cvmx-helper-board.h

   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__ */