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Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-helper-rgmii.h')
-rw-r--r-- | arch/mips/include/asm/octeon/cvmx-helper-rgmii.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h new file mode 100644 index 00000000000..78295ba0050 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h @@ -0,0 +1,111 @@ +/***********************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**************************************/ + +/** + * @file + * + * Functions for RGMII/GMII/MII initialization, configuration, + * and monitoring. + * + */ +#ifndef __CVMX_HELPER_RGMII_H__ +#define __CVMX_HELPER_RGMII_H__ + +/** + * Probe RGMII ports and determine the number present + * + * @interface: Interface to probe + * + * Returns Number of RGMII/GMII/MII ports (0-4). + */ +extern int __cvmx_helper_rgmii_probe(int interface); +#define __cvmx_helper_rgmii_enumerate __cvmx_helper_rgmii_probe + +/** + * Put an RGMII interface in loopback mode. Internal packets sent + * out will be received back again on the same port. Externally + * received packets will echo back out. + * + * @port: IPD port number to loop. + */ +extern void cvmx_helper_rgmii_internal_loopback(int port); + +/** + * Configure all of the ASX, GMX, and PKO regsiters required + * to get RGMII to function on the supplied interface. + * + * @interface: PKO Interface to configure (0 or 1) + * + * Returns Zero on success + */ +extern int __cvmx_helper_rgmii_enable(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_rgmii_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(). It is normally best to use + * cvmx_helper_link_autoconf() instead. + * + * @ipd_port: IPD/PKO port to configure + * @link_info: The new link state + * + * Returns Zero on success, negative on failure + */ +extern int __cvmx_helper_rgmii_link_set(int ipd_port, + cvmx_helper_link_info_t link_info); + +/** + * 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_rgmii_configure_loopback(int ipd_port, + int enable_internal, + int enable_external); + +#endif |