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https://github.com/AsahiLinux/u-boot
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43 lines
1 KiB
C
43 lines
1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Marvell International Ltd.
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*
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* Functions for NPI initialization, configuration,
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* and monitoring.
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*/
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#ifndef __CVMX_HELPER_NPI_H__
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#define __CVMX_HELPER_NPI_H__
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/**
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* @INTERNAL
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* Probe a NPI interface and determine the number of ports
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* connected to it. The NPI interface should still be down after
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* this call.
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*
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* @param interface Interface to probe
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*
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* @return Number of ports on the interface. Zero to disable.
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*/
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int __cvmx_helper_npi_probe(int interface);
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/**
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* @INTERNAL
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* Bringup and enable a NPI interface. After this call packet
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* I/O should be fully functional. This is called with IPD
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* enabled but PKO disabled.
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*
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* @param xiface Interface to bring up
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*
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* @return Zero on success, negative on failure
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*/
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int __cvmx_helper_npi_enable(int xiface);
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/**
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* Sets the number of pipe used by SLI packet output in the variable,
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* which then later used for setting it up in HW
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*/
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void cvmx_npi_config_set_num_pipes(int num_pipes);
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#endif
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