diff options
Diffstat (limited to 'roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-bgx.h')
| -rw-r--r-- | roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-bgx.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-bgx.h b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-bgx.h new file mode 100644 index 000000000..ead6193ec --- /dev/null +++ b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-bgx.h @@ -0,0 +1,335 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + * + * Functions to configure the BGX MAC. + */ + +#ifndef __CVMX_HELPER_BGX_H__ +#define __CVMX_HELPER_BGX_H__ + +#define CVMX_BGX_RX_FIFO_SIZE (64 * 1024) +#define CVMX_BGX_TX_FIFO_SIZE (32 * 1024) + +int __cvmx_helper_bgx_enumerate(int xiface); + +/** + * @INTERNAL + * Disable the BGX port + * + * @param xipd_port IPD port of the BGX interface to disable + */ +void cvmx_helper_bgx_disable(int xipd_port); + +/** + * @INTERNAL + * Probe a SGMII interface and determine the number of ports + * connected to it. The SGMII/XAUI interface should still be down after + * this call. This is used by interfaces using the bgx mac. + * + * @param xiface Interface to probe + * + * @return Number of ports on the interface. Zero to disable. + */ +int __cvmx_helper_bgx_probe(int xiface); + +/** + * @INTERNAL + * Bringup and enable a SGMII interface. After this call packet + * I/O should be fully functional. This is called with IPD + * enabled but PKO disabled. This is used by interfaces using the + * bgx mac. + * + * @param xiface Interface to bring up + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_bgx_sgmii_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(). This is used by + * interfaces using the bgx mac. + * + * @param xipd_port IPD/PKO port to query + * + * @return Link state + */ +cvmx_helper_link_info_t __cvmx_helper_bgx_sgmii_link_get(int xipd_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. This is used by interfaces + * using the bgx mac. + * + * @param xipd_port IPD/PKO port to configure + * @param link_info The new link state + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_bgx_sgmii_link_set(int xipd_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. This is used by + * interfaces using the bgx mac. + * + * @param xipd_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_bgx_sgmii_configure_loopback(int xipd_port, int enable_internal, + int enable_external); + +/** + * @INTERNAL + * Bringup and enable a XAUI interface. After this call packet + * I/O should be fully functional. This is called with IPD + * enabled but PKO disabled. This is used by interfaces using the + * bgx mac. + * + * @param xiface Interface to bring up + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_bgx_xaui_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(). This is used by + * interfaces using the bgx mac. + * + * @param xipd_port IPD/PKO port to query + * + * @return Link state + */ +cvmx_helper_link_info_t __cvmx_helper_bgx_xaui_link_get(int xipd_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. This is used by interfaces + * using the bgx mac. + * + * @param xipd_port IPD/PKO port to configure + * @param link_info The new link state + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_bgx_xaui_link_set(int xipd_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. This is used by + * interfaces using the bgx mac. + * + * @param xipd_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_bgx_xaui_configure_loopback(int xipd_port, int enable_internal, + int enable_external); + +int __cvmx_helper_bgx_mixed_enable(int xiface); + +cvmx_helper_link_info_t __cvmx_helper_bgx_mixed_link_get(int xipd_port); + +int __cvmx_helper_bgx_mixed_link_set(int xipd_port, cvmx_helper_link_info_t link_info); + +int __cvmx_helper_bgx_mixed_configure_loopback(int xipd_port, int enable_internal, + int enable_external); + +cvmx_helper_interface_mode_t cvmx_helper_bgx_get_mode(int xiface, int index); + +/** + * @INTERNAL + * Configure Priority-Based Flow Control (a.k.a. PFC/CBFC) + * on a specific BGX interface/port. + */ +void __cvmx_helper_bgx_xaui_config_pfc(unsigned int node, unsigned int interface, unsigned int port, + bool pfc_enable); + +/** + * This function control how the hardware handles incoming PAUSE + * packets. The most common modes of operation: + * ctl_bck = 1, ctl_drp = 1: hardware handles everything + * ctl_bck = 0, ctl_drp = 0: software sees all PAUSE frames + * ctl_bck = 0, ctl_drp = 1: all PAUSE frames are completely ignored + * @param node node number. + * @param interface interface number + * @param port port number + * @param ctl_bck 1: Forward PAUSE information to TX block + * @param ctl_drp 1: Drop control PAUSE frames. + */ +void cvmx_helper_bgx_rx_pause_ctl(unsigned int node, unsigned int interface, unsigned int port, + unsigned int ctl_bck, unsigned int ctl_drp); + +/** + * This function configures the receive action taken for multicast, broadcast + * and dmac filter match packets. + * @param node node number. + * @param interface interface number + * @param port port number + * @param cam_accept 0: reject packets on dmac filter match + * 1: accept packet on dmac filter match + * @param mcast_mode 0x0 = Force reject all multicast packets + * 0x1 = Force accept all multicast packets + * 0x2 = Use the address filter CAM + * @param bcast_accept 0 = Reject all broadcast packets + * 1 = Accept all broadcast packets + */ +void cvmx_helper_bgx_rx_adr_ctl(unsigned int node, unsigned int interface, unsigned int port, + unsigned int cam_accept, unsigned int mcast_mode, + unsigned int bcast_accept); + +/** + * Function to control the generation of FCS, padding by the BGX + * + */ +void cvmx_helper_bgx_tx_options(unsigned int node, unsigned int interface, unsigned int index, + bool fcs_enable, bool pad_enable); + +/** + * Set mac for the ipd_port + * + * @param xipd_port ipd_port to set the mac + * @param bcst If set, accept all broadcast packets + * @param mcst Multicast mode + * 0 = Force reject all multicast packets + * 1 = Force accept all multicast packets + * 2 = use the address filter CAM. + * @param mac mac address for the ipd_port + */ +void cvmx_helper_bgx_set_mac(int xipd_port, int bcst, int mcst, u64 mac); + +int __cvmx_helper_bgx_port_init(int xipd_port, int phy_pres); +void cvmx_helper_bgx_set_jabber(int xiface, unsigned int index, unsigned int size); +int cvmx_helper_bgx_shutdown_port(int xiface, int index); +int cvmx_bgx_set_backpressure_override(int xiface, unsigned int port_mask); +int __cvmx_helper_bgx_fifo_size(int xiface, unsigned int lmac); + +/** + * Returns if an interface is RGMII or not + * + * @param xiface xinterface to check + * @param index port index (must be 0 for rgmii) + * + * @return true if RGMII, false otherwise + */ +static inline bool cvmx_helper_bgx_is_rgmii(int xiface, int index) +{ + union cvmx_bgxx_cmrx_config cmr_config; + + if (!OCTEON_IS_MODEL(OCTEON_CN73XX) || index != 0) + return false; + cmr_config.u64 = csr_rd(CVMX_BGXX_CMRX_CONFIG(index, xiface)); + return cmr_config.s.lmac_type == 5; +} + +/** + * Probes the BGX Super Path (SMU/SPU) mode + * + * @param xiface global interface number + * @param index interface index + * + * @return true, if Super-MAC/PCS mode, false -- otherwise + */ +bool cvmx_helper_bgx_is_smu(int xiface, int index); + +/** + * @INTERNAL + * Configure parameters of PAUSE packet. + * + * @param xipd_port Global IPD port (node + IPD port). + * @param smac Source MAC address. + * @param dmac Destination MAC address. + * @param type PAUSE packet type. + * @param time Pause time for PAUSE packets (number of 512 bit-times). + * @param interval Interval between PAUSE packets (number of 512 bit-times). + * @return Zero on success, negative on failure. + */ +int cvmx_bgx_set_pause_pkt_param(int xipd_port, u64 smac, u64 dmac, unsigned int type, + unsigned int time, unsigned int interval); + +/** + * @INTERNAL + * Setup the BGX flow-control mode. + * + * @param xipd_port Global IPD port (node + IPD port). + * @param type Flow-control type/protocol. + * @param mode Flow-control mode. + * @return Zero on success, negative on failure. + */ +int cvmx_bgx_set_flowctl_mode(int xipd_port, cvmx_qos_proto_t qos, cvmx_qos_pkt_mode_t mode); + +/** + * Enables or disables autonegotiation for an interface. + * + * @param xiface interface to set autonegotiation + * @param index port index + * @param enable true to enable autonegotiation, false to disable it + * + * @return 0 for success, -1 on error. + */ +int cvmx_helper_set_autonegotiation(int xiface, int index, bool enable); + +/** + * Enables or disables forward error correction + * + * @param xiface interface + * @param index port index + * @param enable set to true to enable FEC, false to disable + * + * @return 0 for success, -1 on error + * + * @NOTE: If autonegotiation is enabled then autonegotiation will be + * restarted for negotiating FEC. + */ +int cvmx_helper_set_fec(int xiface, int index, bool enable); + +#ifdef CVMX_DUMP_BGX +/** + * Dump BGX configuration for node 0 + */ +int cvmx_dump_bgx_config(unsigned int bgx); +/** + * Dump BGX status for node 0 + */ +int cvmx_dump_bgx_status(unsigned int bgx); +/** + * Dump BGX configuration + */ +int cvmx_dump_bgx_config_node(unsigned int node, unsigned int bgx); +/** + * Dump BGX status + */ +int cvmx_dump_bgx_status_node(unsigned int node, unsigned int bgx); + +#endif + +#endif |