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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h')
-rw-r--r-- | roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h new file mode 100644 index 000000000..2a206a882 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-rgmii.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + * + * Functions for RGMII/GMII/MII initialization, configuration, + * and monitoring. + */ + +#ifndef __CVMX_HELPER_RGMII_H__ +#define __CVMX_HELPER_RGMII_H__ + +/** + * @INTERNAL + * Probe RGMII ports and determine the number present + * + * @param xiface Interface to probe + * + * @return Number of RGMII/GMII/MII ports (0-4). + */ +int __cvmx_helper_rgmii_probe(int xiface); + +/** + * Put an RGMII interface in loopback mode. Internal packets sent + * out will be received back again on the same port. Externally + * received packets will echo back out. + * + * @param port IPD port number to loop. + */ +void cvmx_helper_rgmii_internal_loopback(int port); + +/** + * @INTERNAL + * Configure all of the ASX, GMX, and PKO regsiters required + * to get RGMII to function on the supplied interface. + * + * @param xiface PKO Interface to configure (0 or 1) + * + * @return Zero on success + */ +int __cvmx_helper_rgmii_enable(int xiface); + +/** + * @INTERNAL + * Return the link state of an IPD/PKO port as returned by + * auto negotiation. The result of this function may not match + * Octeon's link config if auto negotiation has changed since + * the last call to cvmx_helper_link_set(). + * + * @param ipd_port IPD/PKO port to query + * + * @return Link state + */ +cvmx_helper_link_info_t __cvmx_helper_gmii_link_get(int ipd_port); + +/** + * @INTERNAL + * Return the link state of an IPD/PKO port as returned by + * auto negotiation. The result of this function may not match + * Octeon's link config if auto negotiation has changed since + * the last call to cvmx_helper_link_set(). + * + * @param ipd_port IPD/PKO port to query + * + * @return Link state + */ +cvmx_helper_link_info_t __cvmx_helper_rgmii_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_rgmii_link_set(int ipd_port, cvmx_helper_link_info_t link_info); + +/** + * @INTERNAL + * Configure a port for internal and/or external loopback. Internal loopback + * causes packets sent by the port to be received by Octeon. External loopback + * causes packets received from the wire to sent out again. + * + * @param ipd_port IPD/PKO port to loopback. + * @param enable_internal + * Non zero if you want internal loopback + * @param enable_external + * Non zero if you want external loopback + * + * @return Zero on success, negative on failure. + */ +int __cvmx_helper_rgmii_configure_loopback(int ipd_port, int enable_internal, int enable_external); + +#endif |