1/***********************license start*************** 2 * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights 3 * reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 18 * * Neither the name of Cavium Inc. nor the names of 19 * its contributors may be used to endorse or promote products 20 * derived from this software without specific prior written 21 * permission. 22 23 * This Software, including technical data, may be subject to U.S. export control 24 * laws, including the U.S. Export Administration Act and its associated 25 * regulations, and may be subject to export or import regulations in other 26 * countries. 27 28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 29 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR 30 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO 31 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 32 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 33 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 34 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 35 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 36 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 38 ***********************license end**************************************/ 39 40 41 42 43 44 45 46/** 47 * @file 48 * 49 * Helper functions to abstract board specific data about 50 * network ports from the rest of the cvmx-helper files. 51 * 52 * <hr>$Revision: 70030 $<hr> 53 */ 54#ifndef __CVMX_HELPER_BOARD_H__ 55#define __CVMX_HELPER_BOARD_H__ 56 57#ifdef __cplusplus 58extern "C" { 59#endif 60 61 62typedef enum { 63 USB_CLOCK_TYPE_REF_12, 64 USB_CLOCK_TYPE_REF_24, 65 USB_CLOCK_TYPE_REF_48, 66 USB_CLOCK_TYPE_CRYSTAL_12, 67} cvmx_helper_board_usb_clock_types_t; 68 69typedef enum { 70 BROADCOM_GENERIC_PHY, 71 MARVELL_GENERIC_PHY, 72} cvmx_phy_type_t; 73 74typedef enum { 75 set_phy_link_flags_autoneg = 0x1, 76 set_phy_link_flags_flow_control_dont_touch = 0x0 << 1, 77 set_phy_link_flags_flow_control_enable = 0x1 << 1, 78 set_phy_link_flags_flow_control_disable = 0x2 << 1, 79 set_phy_link_flags_flow_control_mask = 0x3 << 1, /* Mask for 2 bit wide flow control field */ 80} cvmx_helper_board_set_phy_link_flags_types_t; 81 82 83/* Fake IPD port, the RGMII/MII interface may use different PHY, use this 84 macro to return appropriate MIX address to read the PHY. */ 85#define CVMX_HELPER_BOARD_MGMT_IPD_PORT -10 86 87/** 88 * cvmx_override_board_link_get(int ipd_port) is a function 89 * pointer. It is meant to allow customization of the process of 90 * talking to a PHY to determine link speed. It is called every 91 * time a PHY must be polled for link status. Users should set 92 * this pointer to a function before calling any cvmx-helper 93 * operations. 94 */ 95extern cvmx_helper_link_info_t (*cvmx_override_board_link_get)(int ipd_port); 96 97/** 98 * Return the MII PHY address associated with the given IPD 99 * port. A result of -1 means there isn't a MII capable PHY 100 * connected to this port. On chips supporting multiple MII 101 * busses the bus number is encoded in bits <15:8>. 102 * 103 * This function must be modified for every new Octeon board. 104 * Internally it uses switch statements based on the cvmx_sysinfo 105 * data to determine board types and revisions. It relies on the 106 * fact that every Octeon board receives a unique board type 107 * enumeration from the bootloader. 108 * 109 * @param ipd_port Octeon IPD port to get the MII address for. 110 * 111 * @return MII PHY address and bus number or -1. 112 */ 113extern int cvmx_helper_board_get_mii_address(int ipd_port); 114 115/** 116 * This function as a board specific method of changing the PHY 117 * speed, duplex, and autonegotiation. This programs the PHY and 118 * not Octeon. This can be used to force Octeon's links to 119 * specific settings. 120 * 121 * @param phy_addr The address of the PHY to program 122 * @param link_flags 123 * Flags to control autonegotiation. Bit 0 is autonegotiation 124 * enable/disable to maintain backward compatibility. 125 * @param link_info Link speed to program. If the speed is zero and autonegotiation 126 * is enabled, all possible negotiation speeds are advertised. 127 * 128 * @return Zero on success, negative on failure 129 */ 130int cvmx_helper_board_link_set_phy(int phy_addr, cvmx_helper_board_set_phy_link_flags_types_t link_flags, 131 cvmx_helper_link_info_t link_info); 132 133/** 134 * @INTERNAL 135 * This function is the board specific method of determining an 136 * ethernet ports link speed. Most Octeon boards have Marvell PHYs 137 * and are handled by the fall through case. This function must be 138 * updated for boards that don't have the normal Marvell PHYs. 139 * 140 * This function must be modified for every new Octeon board. 141 * Internally it uses switch statements based on the cvmx_sysinfo 142 * data to determine board types and revisions. It relies on the 143 * fact that every Octeon board receives a unique board type 144 * enumeration from the bootloader. 145 * 146 * @param ipd_port IPD input port associated with the port we want to get link 147 * status for. 148 * 149 * @return The ports link status. If the link isn't fully resolved, this must 150 * return zero. 151 */ 152extern cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port); 153 154/** 155 * @INTERNAL 156 * This function is called by cvmx_helper_interface_probe() after it 157 * determines the number of ports Octeon can support on a specific 158 * interface. This function is the per board location to override 159 * this value. It is called with the number of ports Octeon might 160 * support and should return the number of actual ports on the 161 * board. 162 * 163 * This function must be modified for every new Octeon board. 164 * Internally it uses switch statements based on the cvmx_sysinfo 165 * data to determine board types and revisions. It relies on the 166 * fact that every Octeon board receives a unique board type 167 * enumeration from the bootloader. 168 * 169 * @param interface Interface to probe 170 * @param supported_ports 171 * Number of ports Octeon supports. 172 * 173 * @return Number of ports the actual board supports. Many times this will 174 * simple be "support_ports". 175 */ 176extern int __cvmx_helper_board_interface_probe(int interface, int supported_ports); 177 178/** 179 * @INTERNAL 180 * Enable packet input/output from the hardware. This function is 181 * called after by cvmx_helper_packet_hardware_enable() to 182 * perform board specific initialization. For most boards 183 * nothing is needed. 184 * 185 * @param interface Interface to enable 186 * 187 * @return Zero on success, negative on failure 188 */ 189extern int __cvmx_helper_board_hardware_enable(int interface); 190 191 192 193 194/** 195 * @INTERNAL 196 * Gets the clock type used for the USB block based on board type. 197 * Used by the USB code for auto configuration of clock type. 198 * 199 * @return USB clock type enumeration 200 */ 201cvmx_helper_board_usb_clock_types_t __cvmx_helper_board_usb_get_clock_type(void); 202 203 204/** 205 * @INTERNAL 206 * Adjusts the number of available USB ports on Octeon based on board 207 * specifics. 208 * 209 * @param supported_ports expected number of ports based on chip type; 210 * 211 * 212 * @return number of available usb ports, based on board specifics. 213 * Return value is supported_ports if function does not 214 * override. 215 */ 216int __cvmx_helper_board_usb_get_num_ports(int supported_ports); 217 218#ifdef __cplusplus 219} 220#endif 221 222#endif /* __CVMX_HELPER_BOARD_H__ */ 223