123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2020 Marvell International Ltd.
- *
- * Functions for SRIO initialization, configuration,
- * and monitoring.
- */
- #ifndef __CVMX_HELPER_SRIO_H__
- #define __CVMX_HELPER_SRIO_H__
- /**
- * @INTERNAL
- * Convert interface number to sRIO link number
- * per SoC model.
- *
- * @param xiface Interface to convert
- *
- * Return: Srio link number
- */
- int __cvmx_helper_srio_port(int xiface);
- /**
- * @INTERNAL
- * Probe a SRIO interface and determine the number of ports
- * connected to it. The SRIO interface should still be down after
- * this call.
- *
- * @param xiface Interface to probe
- *
- * Return: Number of ports on the interface. Zero to disable.
- */
- int __cvmx_helper_srio_probe(int xiface);
- /**
- * @INTERNAL
- * Bringup and enable a SRIO interface. After this call packet
- * I/O should be fully functional. This is called with IPD
- * enabled but PKO disabled.
- *
- * @param xiface Interface to bring up
- *
- * Return: Zero on success, negative on failure
- */
- int __cvmx_helper_srio_enable(int xiface);
- /**
- * @INTERNAL
- * Return the link state of an IPD/PKO port as returned by SRIO link status.
- *
- * @param ipd_port IPD/PKO port to query
- *
- * Return: Link state
- */
- cvmx_helper_link_info_t __cvmx_helper_srio_link_get(int ipd_port);
- /**
- * @INTERNAL
- * 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.
- *
- * @param ipd_port IPD/PKO port to configure
- * @param link_info The new link state
- *
- * Return: Zero on success, negative on failure
- */
- int __cvmx_helper_srio_link_set(int ipd_port, cvmx_helper_link_info_t link_info);
- #endif
|