1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2020 Marvell International Ltd.
5 * Functions for NPI initialization, configuration,
9 #ifndef __CVMX_HELPER_NPI_H__
10 #define __CVMX_HELPER_NPI_H__
14 * Probe a NPI interface and determine the number of ports
15 * connected to it. The NPI interface should still be down after
18 * @param interface Interface to probe
20 * Return: Number of ports on the interface. Zero to disable.
22 int __cvmx_helper_npi_probe(int interface);
26 * Bringup and enable a NPI interface. After this call packet
27 * I/O should be fully functional. This is called with IPD
28 * enabled but PKO disabled.
30 * @param xiface Interface to bring up
32 * Return: Zero on success, negative on failure
34 int __cvmx_helper_npi_enable(int xiface);
37 * Sets the number of pipe used by SLI packet output in the variable,
38 * which then later used for setting it up in HW
40 void cvmx_npi_config_set_num_pipes(int num_pipes);