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