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47 * Helper functions to abstract board specific data about
48 * network ports from the rest of the cvmx-helper files.
50 * <hr>$Revision: 41946 $<hr>
52 #ifndef __CVMX_HELPER_BOARD_H__
53 #define __CVMX_HELPER_BOARD_H__
61 USB_CLOCK_TYPE_REF_12,
62 USB_CLOCK_TYPE_REF_24,
63 USB_CLOCK_TYPE_REF_48,
64 USB_CLOCK_TYPE_CRYSTAL_12,
65 } cvmx_helper_board_usb_clock_types_t;
68 set_phy_link_flags_autoneg = 0x1,
69 set_phy_link_flags_flow_control_dont_touch = 0x0 << 1,
70 set_phy_link_flags_flow_control_enable = 0x1 << 1,
71 set_phy_link_flags_flow_control_disable = 0x2 << 1,
72 set_phy_link_flags_flow_control_mask = 0x3 << 1, /* Mask for 2 bit wide flow control field */
73 } cvmx_helper_board_set_phy_link_flags_types_t;
77 * cvmx_override_board_link_get(int ipd_port) is a function
78 * pointer. It is meant to allow customization of the process of
79 * talking to a PHY to determine link speed. It is called every
80 * time a PHY must be polled for link status. Users should set
81 * this pointer to a function before calling any cvmx-helper
84 extern cvmx_helper_link_info_t (*cvmx_override_board_link_get)(int ipd_port);
87 * Return the MII PHY address associated with the given IPD
88 * port. A result of -1 means there isn't a MII capable PHY
89 * connected to this port. On chips supporting multiple MII
90 * busses the bus number is encoded in bits <15:8>.
92 * This function must be modifed for every new Octeon board.
93 * Internally it uses switch statements based on the cvmx_sysinfo
94 * data to determine board types and revisions. It relys on the
95 * fact that every Octeon board receives a unique board type
96 * enumeration from the bootloader.
98 * @param ipd_port Octeon IPD port to get the MII address for.
100 * @return MII PHY address and bus number or -1.
102 extern int cvmx_helper_board_get_mii_address(int ipd_port);
105 * This function as a board specific method of changing the PHY
106 * speed, duplex, and autonegotiation. This programs the PHY and
107 * not Octeon. This can be used to force Octeon's links to
110 * @param phy_addr The address of the PHY to program
112 * Flags to control autonegotiation. Bit 0 is autonegotiation
113 * enable/disable to maintain backware compatability.
114 * @param link_info Link speed to program. If the speed is zero and autonegotiation
115 * is enabled, all possible negotiation speeds are advertised.
117 * @return Zero on success, negative on failure
119 int cvmx_helper_board_link_set_phy(int phy_addr, cvmx_helper_board_set_phy_link_flags_types_t link_flags,
120 cvmx_helper_link_info_t link_info);
124 * This function is the board specific method of determining an
125 * ethernet ports link speed. Most Octeon boards have Marvell PHYs
126 * and are handled by the fall through case. This function must be
127 * updated for boards that don't have the normal Marvell PHYs.
129 * This function must be modifed for every new Octeon board.
130 * Internally it uses switch statements based on the cvmx_sysinfo
131 * data to determine board types and revisions. It relys on the
132 * fact that every Octeon board receives a unique board type
133 * enumeration from the bootloader.
135 * @param ipd_port IPD input port associated with the port we want to get link
138 * @return The ports link status. If the link isn't fully resolved, this must
141 extern cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port);
145 * This function is called by cvmx_helper_interface_probe() after it
146 * determines the number of ports Octeon can support on a specific
147 * interface. This function is the per board location to override
148 * this value. It is called with the number of ports Octeon might
149 * support and should return the number of actual ports on the
152 * This function must be modifed for every new Octeon board.
153 * Internally it uses switch statements based on the cvmx_sysinfo
154 * data to determine board types and revisions. It relys on the
155 * fact that every Octeon board receives a unique board type
156 * enumeration from the bootloader.
158 * @param interface Interface to probe
159 * @param supported_ports
160 * Number of ports Octeon supports.
162 * @return Number of ports the actual board supports. Many times this will
163 * simple be "support_ports".
165 extern int __cvmx_helper_board_interface_probe(int interface, int supported_ports);
169 * Enable packet input/output from the hardware. This function is
170 * called after by cvmx_helper_packet_hardware_enable() to
171 * perform board specific initialization. For most boards
174 * @param interface Interface to enable
176 * @return Zero on success, negative on failure
178 extern int __cvmx_helper_board_hardware_enable(int interface);
185 * Gets the clock type used for the USB block based on board type.
186 * Used by the USB code for auto configuration of clock type.
188 * @return USB clock type enumeration
190 cvmx_helper_board_usb_clock_types_t __cvmx_helper_board_usb_get_clock_type(void);
195 * Adjusts the number of available USB ports on Octeon based on board
198 * @param supported_ports expected number of ports based on chip type;
201 * @return number of available usb ports, based on board specifics.
202 * Return value is supported_ports if function does not
205 int __cvmx_helper_board_usb_get_num_ports(int supported_ports);
211 #endif /* __CVMX_HELPER_BOARD_H__ */