215 lines
7.0 KiB
C
215 lines
7.0 KiB
C
|
/***********************license start***************
|
||
|
|
* Author: Cavium Networks
|
||
|
|
*
|
||
|
|
* Contact: support@caviumnetworks.com
|
||
|
|
* This file is part of the OCTEON SDK
|
||
|
|
*
|
||
|
|
* Copyright (c) 2003-2008 Cavium Networks
|
||
|
|
*
|
||
|
|
* This file is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License, Version 2, as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This file is distributed in the hope that it will be useful, but
|
||
|
|
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
|
||
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
|
||
|
|
* NONINFRINGEMENT. See the GNU General Public License for more
|
||
|
|
* details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this file; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
* or visit http://www.gnu.org/licenses/.
|
||
|
|
*
|
||
|
|
* This file may also be available under a different license from Cavium.
|
||
|
|
* Contact Cavium Networks for more information
|
||
|
|
***********************license end**************************************/
|
||
|
|
|
||
|
|
/*
|
||
|
|
*
|
||
|
|
* Helper functions for common, but complicated tasks.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __CVMX_HELPER_H__
|
||
|
|
#define __CVMX_HELPER_H__
|
||
|
|
|
||
|
|
#include <asm/octeon/cvmx-config.h>
|
||
|
|
#include <asm/octeon/cvmx-fpa.h>
|
||
|
|
#include <asm/octeon/cvmx-wqe.h>
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_DISABLED,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_RGMII,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_GMII,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_SPI,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_PCIE,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_XAUI,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_SGMII,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_PICMG,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_NPI,
|
||
|
|
CVMX_HELPER_INTERFACE_MODE_LOOP,
|
||
|
|
} cvmx_helper_interface_mode_t;
|
||
|
|
|
||
|
|
typedef union {
|
||
|
|
uint64_t u64;
|
||
|
|
struct {
|
||
|
|
uint64_t reserved_20_63:44;
|
||
|
|
uint64_t link_up:1; /**< Is the physical link up? */
|
||
|
|
uint64_t full_duplex:1; /**< 1 if the link is full duplex */
|
||
|
|
uint64_t speed:18; /**< Speed of the link in Mbps */
|
||
|
|
} s;
|
||
|
|
} cvmx_helper_link_info_t;
|
||
|
|
|
||
|
|
#include <asm/octeon/cvmx-helper-errata.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-loop.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-npi.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-rgmii.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-sgmii.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-spi.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-util.h>
|
||
|
|
#include <asm/octeon/cvmx-helper-xaui.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* cvmx_override_pko_queue_priority(int ipd_port, uint64_t
|
||
|
|
* priorities[16]) is a function pointer. It is meant to allow
|
||
|
|
* customization of the PKO queue priorities based on the port
|
||
|
|
* number. Users should set this pointer to a function before
|
||
|
|
* calling any cvmx-helper operations.
|
||
|
|
*/
|
||
|
|
extern void (*cvmx_override_pko_queue_priority) (int pko_port,
|
||
|
|
uint64_t priorities[16]);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* cvmx_override_ipd_port_setup(int ipd_port) is a function
|
||
|
|
* pointer. It is meant to allow customization of the IPD port
|
||
|
|
* setup before packet input/output comes online. It is called
|
||
|
|
* after cvmx-helper does the default IPD configuration, but
|
||
|
|
* before IPD is enabled. Users should set this pointer to a
|
||
|
|
* function before calling any cvmx-helper operations.
|
||
|
|
*/
|
||
|
|
extern void (*cvmx_override_ipd_port_setup) (int ipd_port);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function enables the IPD and also enables the packet interfaces.
|
||
|
|
* The packet interfaces (RGMII and SPI) must be enabled after the
|
||
|
|
* IPD. This should be called by the user program after any additional
|
||
|
|
* IPD configuration changes are made if CVMX_HELPER_ENABLE_IPD
|
||
|
|
* is not set in the executive-config.h file.
|
||
|
|
*
|
||
|
|
* Returns 0 on success
|
||
|
|
* -1 on failure
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_ipd_and_packet_input_enable(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize the PIP, IPD, and PKO hardware to support
|
||
|
|
* simple priority based queues for the ethernet ports. Each
|
||
|
|
* port is configured with a number of priority queues based
|
||
|
|
* on CVMX_PKO_QUEUES_PER_PORT_* where each queue is lower
|
||
|
|
* priority than the previous.
|
||
|
|
*
|
||
|
|
* Returns Zero on success, non-zero on failure
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_initialize_packet_io_global(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does core local initialization for packet io
|
||
|
|
*
|
||
|
|
* Returns Zero on success, non-zero on failure
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_initialize_packet_io_local(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the number of ports on the given interface.
|
||
|
|
* The interface must be initialized before the port count
|
||
|
|
* can be returned.
|
||
|
|
*
|
||
|
|
* @interface: Which interface to return port count for.
|
||
|
|
*
|
||
|
|
* Returns Port count for interface
|
||
|
|
* -1 for uninitialized interface
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_ports_on_interface(int interface);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the number of interfaces the chip has. Each interface
|
||
|
|
* may have multiple ports. Most chips support two interfaces,
|
||
|
|
* but the CNX0XX and CNX1XX are exceptions. These only support
|
||
|
|
* one interface.
|
||
|
|
*
|
||
|
|
* Returns Number of interfaces on chip
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_get_number_of_interfaces(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the operating mode of an interface. Depending on the Octeon
|
||
|
|
* chip and configuration, this function returns an enumeration
|
||
|
|
* of the type of packet I/O supported by an interface.
|
||
|
|
*
|
||
|
|
* @interface: Interface to probe
|
||
|
|
*
|
||
|
|
* Returns Mode of the interface. Unknown or unsupported interfaces return
|
||
|
|
* DISABLED.
|
||
|
|
*/
|
||
|
|
extern cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int
|
||
|
|
interface);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the link state of an IPD/PKO port as returned by
|
||
|
|
* auto negotiation. The result of this function may not match
|
||
|
|
* Octeon's link config if auto negotiation has changed since
|
||
|
|
* the last call to cvmx_helper_link_set().
|
||
|
|
*
|
||
|
|
* @ipd_port: IPD/PKO port to query
|
||
|
|
*
|
||
|
|
* Returns Link state
|
||
|
|
*/
|
||
|
|
extern cvmx_helper_link_info_t cvmx_helper_link_get(int ipd_port);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Configure an IPD/PKO port for the specified link state. This
|
||
|
|
* function does not influence auto negotiation at the PHY level.
|
||
|
|
* The passed link state must always match the link state returned
|
||
|
|
* by cvmx_helper_link_get().
|
||
|
|
*
|
||
|
|
* @ipd_port: IPD/PKO port to configure
|
||
|
|
* @link_info: The new link state
|
||
|
|
*
|
||
|
|
* Returns Zero on success, negative on failure
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_link_set(int ipd_port,
|
||
|
|
cvmx_helper_link_info_t link_info);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function probes an interface to determine the actual
|
||
|
|
* number of hardware ports connected to it. It doesn't setup the
|
||
|
|
* ports or enable them. The main goal here is to set the global
|
||
|
|
* interface_port_count[interface] correctly. Hardware setup of the
|
||
|
|
* ports will be performed later.
|
||
|
|
*
|
||
|
|
* @interface: Interface to probe
|
||
|
|
*
|
||
|
|
* Returns Zero on success, negative on failure
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_interface_probe(int interface);
|
||
|
|
extern int cvmx_helper_interface_enumerate(int interface);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Configure a port for internal and/or external loopback. Internal loopback
|
||
|
|
* causes packets sent by the port to be received by Octeon. External loopback
|
||
|
|
* causes packets received from the wire to sent out again.
|
||
|
|
*
|
||
|
|
* @ipd_port: IPD/PKO port to loopback.
|
||
|
|
* @enable_internal:
|
||
|
|
* Non zero if you want internal loopback
|
||
|
|
* @enable_external:
|
||
|
|
* Non zero if you want external loopback
|
||
|
|
*
|
||
|
|
* Returns Zero on success, negative on failure.
|
||
|
|
*/
|
||
|
|
extern int cvmx_helper_configure_loopback(int ipd_port, int enable_internal,
|
||
|
|
int enable_external);
|
||
|
|
|
||
|
|
#endif /* __CVMX_HELPER_H__ */
|