u-boot/arch/mips/mach-octeon/include/mach/cvmx-agl.h
Aaron Williams ba5eb2327b mips: octeon: Add misc cvmx-* header files
Import misc cvmx-helper header files from 2013 U-Boot. They will be used
by the later added drivers to support networking on the MIPS Octeon II /
III platforms.

Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
2022-05-04 03:38:20 +02:00

45 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018-2022 Marvell International Ltd.
*
* Functions for AGL (RGMII) commong initialization, configuration.
*/
#ifndef __CVMX_AGL_H__
#define __CVMX_AGL_H__
/*
* @param port to enable
*
* @return Zero on success, negative on failure
*/
int cvmx_agl_enable(int port);
cvmx_helper_link_info_t cvmx_agl_link_get(int port);
/*
* Set MII/RGMII link based on mode.
*
* @param port interface port to set the link.
* @param link_info Link status
*
* @return 0 on success and 1 on failure
*/
int cvmx_agl_link_set(int port, cvmx_helper_link_info_t link_info);
/**
* Disables the sending of flow control (pause) frames on the specified
* AGL (RGMII) port(s).
*
* @param interface Which interface (0 or 1)
* @param port_mask Mask (4bits) of which ports on the interface to disable
* backpressure on.
* 1 => disable backpressure
* 0 => enable backpressure
*
* @return 0 on success
* -1 on error
*/
int cvmx_agl_set_backpressure_override(u32 interface, uint32_t port_mask);
#endif /* __CVMX_AGL_H__ */