100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2019 NXP
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*/
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#ifndef _MSCC_FELIX_H
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#define _MSCC_FELIX_H
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#define ocelot_to_felix(o) container_of((o), struct felix, ocelot)
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#define FELIX_MAC_QUIRKS OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION
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#define OCELOT_PORT_MODE_NONE 0
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#define OCELOT_PORT_MODE_INTERNAL BIT(0)
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#define OCELOT_PORT_MODE_SGMII BIT(1)
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#define OCELOT_PORT_MODE_QSGMII BIT(2)
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#define OCELOT_PORT_MODE_2500BASEX BIT(3)
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#define OCELOT_PORT_MODE_USXGMII BIT(4)
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#define OCELOT_PORT_MODE_1000BASEX BIT(5)
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/* Platform-specific information */
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struct felix_info {
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/* Hardcoded resources provided by the hardware instantiation. */
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const struct resource *resources;
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size_t num_resources;
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/* Names of the mandatory resources that will be requested during
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* probe. Must have TARGET_MAX elements, since it is indexed by target.
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*/
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const char *const *resource_names;
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const struct reg_field *regfields;
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const u32 *const *map;
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const struct ocelot_ops *ops;
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const u32 *port_modes;
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int num_mact_rows;
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int num_ports;
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int num_tx_queues;
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struct vcap_props *vcap;
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u16 vcap_pol_base;
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u16 vcap_pol_max;
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u16 vcap_pol_base2;
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u16 vcap_pol_max2;
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const struct ptp_clock_info *ptp_caps;
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unsigned long quirks;
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/* Some Ocelot switches are integrated into the SoC without the
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* extraction IRQ line connected to the ARM GIC. By enabling this
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* workaround, the few packets that are delivered to the CPU port
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* module (currently only PTP) are copied not only to the hardware CPU
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* port module, but also to the 802.1Q Ethernet CPU port, and polling
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* the extraction registers is triggered once the DSA tagger sees a PTP
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* frame. The Ethernet frame is only used as a notification: it is
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* dropped, and the original frame is extracted over MMIO and annotated
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* with the RX timestamp.
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*/
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bool quirk_no_xtr_irq;
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int (*mdio_bus_alloc)(struct ocelot *ocelot);
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void (*mdio_bus_free)(struct ocelot *ocelot);
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int (*port_setup_tc)(struct dsa_switch *ds, int port,
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enum tc_setup_type type, void *type_data);
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void (*tas_guard_bands_update)(struct ocelot *ocelot, int port);
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void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
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u32 speed);
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};
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/* Methods for initializing the hardware resources specific to a tagging
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* protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs,
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* for "ocelot-8021q").
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* It is important that the resources configured here do not have side effects
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* for the other tagging protocols. If that is the case, their configuration
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* needs to go to felix_tag_proto_setup_shared().
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*/
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struct felix_tag_proto_ops {
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int (*setup)(struct dsa_switch *ds);
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void (*teardown)(struct dsa_switch *ds);
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unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds);
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int (*change_master)(struct dsa_switch *ds, int port,
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struct net_device *master,
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struct netlink_ext_ack *extack);
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};
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extern const struct dsa_switch_ops felix_switch_ops;
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/* DSA glue / front-end for struct ocelot */
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struct felix {
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struct dsa_switch *ds;
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const struct felix_info *info;
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struct ocelot ocelot;
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struct mii_bus *imdio;
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struct phylink_pcs **pcs;
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resource_size_t switch_base;
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enum dsa_tag_protocol tag_proto;
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const struct felix_tag_proto_ops *tag_proto_ops;
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struct kthread_worker *xmit_worker;
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unsigned long host_flood_uc_mask;
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unsigned long host_flood_mc_mask;
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};
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struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
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int felix_netdev_to_port(struct net_device *dev);
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#endif
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