mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 16:07:30 +00:00
43 lines
1 KiB
C
43 lines
1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2020 Marvell International Ltd.
|
||
|
|
*
|
||
|
|
* Functions for NPI initialization, configuration,
|
||
|
|
* and monitoring.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __CVMX_HELPER_NPI_H__
|
||
|
|
#define __CVMX_HELPER_NPI_H__
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @INTERNAL
|
||
|
|
* Probe a NPI interface and determine the number of ports
|
||
|
|
* connected to it. The NPI interface should still be down after
|
||
|
|
* this call.
|
||
|
|
*
|
||
|
|
* @param interface Interface to probe
|
||
|
|
*
|
||
|
|
* @return Number of ports on the interface. Zero to disable.
|
||
|
|
*/
|
||
|
|
int __cvmx_helper_npi_probe(int interface);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @INTERNAL
|
||
|
|
* Bringup and enable a NPI 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_npi_enable(int xiface);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the number of pipe used by SLI packet output in the variable,
|
||
|
|
* which then later used for setting it up in HW
|
||
|
|
*/
|
||
|
|
void cvmx_npi_config_set_num_pipes(int num_pipes);
|
||
|
|
|
||
|
|
#endif
|