1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright 2019 NXP 3 */ 4 #ifndef _MSCC_FELIX_H 5 #define _MSCC_FELIX_H 6 7 #define ocelot_to_felix(o) container_of((o), struct felix, ocelot) 8 #define FELIX_MAC_QUIRKS OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION 9 10 #define OCELOT_PORT_MODE_INTERNAL BIT(0) 11 #define OCELOT_PORT_MODE_SGMII BIT(1) 12 #define OCELOT_PORT_MODE_QSGMII BIT(2) 13 #define OCELOT_PORT_MODE_2500BASEX BIT(3) 14 #define OCELOT_PORT_MODE_USXGMII BIT(4) 15 #define OCELOT_PORT_MODE_1000BASEX BIT(5) 16 17 /* Platform-specific information */ 18 struct felix_info { 19 /* Hardcoded resources provided by the hardware instantiation. */ 20 const struct resource *resources; 21 size_t num_resources; 22 /* Names of the mandatory resources that will be requested during 23 * probe. Must have TARGET_MAX elements, since it is indexed by target. 24 */ 25 const char *const *resource_names; 26 const struct reg_field *regfields; 27 const u32 *const *map; 28 const struct ocelot_ops *ops; 29 const u32 *port_modes; 30 int num_mact_rows; 31 const struct ocelot_stat_layout *stats_layout; 32 int num_ports; 33 int num_tx_queues; 34 struct vcap_props *vcap; 35 u16 vcap_pol_base; 36 u16 vcap_pol_max; 37 u16 vcap_pol_base2; 38 u16 vcap_pol_max2; 39 const struct ptp_clock_info *ptp_caps; 40 41 /* Some Ocelot switches are integrated into the SoC without the 42 * extraction IRQ line connected to the ARM GIC. By enabling this 43 * workaround, the few packets that are delivered to the CPU port 44 * module (currently only PTP) are copied not only to the hardware CPU 45 * port module, but also to the 802.1Q Ethernet CPU port, and polling 46 * the extraction registers is triggered once the DSA tagger sees a PTP 47 * frame. The Ethernet frame is only used as a notification: it is 48 * dropped, and the original frame is extracted over MMIO and annotated 49 * with the RX timestamp. 50 */ 51 bool quirk_no_xtr_irq; 52 53 int (*mdio_bus_alloc)(struct ocelot *ocelot); 54 void (*mdio_bus_free)(struct ocelot *ocelot); 55 void (*phylink_validate)(struct ocelot *ocelot, int port, 56 unsigned long *supported, 57 struct phylink_link_state *state); 58 int (*port_setup_tc)(struct dsa_switch *ds, int port, 59 enum tc_setup_type type, void *type_data); 60 void (*tas_guard_bands_update)(struct ocelot *ocelot, int port); 61 void (*port_sched_speed_set)(struct ocelot *ocelot, int port, 62 u32 speed); 63 }; 64 65 /* Methods for initializing the hardware resources specific to a tagging 66 * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs, 67 * for "ocelot-8021q"). 68 * It is important that the resources configured here do not have side effects 69 * for the other tagging protocols. If that is the case, their configuration 70 * needs to go to felix_tag_proto_setup_shared(). 71 */ 72 struct felix_tag_proto_ops { 73 int (*setup)(struct dsa_switch *ds); 74 void (*teardown)(struct dsa_switch *ds); 75 unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds); 76 int (*change_master)(struct dsa_switch *ds, int port, 77 struct net_device *master, 78 struct netlink_ext_ack *extack); 79 }; 80 81 extern const struct dsa_switch_ops felix_switch_ops; 82 83 /* DSA glue / front-end for struct ocelot */ 84 struct felix { 85 struct dsa_switch *ds; 86 const struct felix_info *info; 87 struct ocelot ocelot; 88 struct mii_bus *imdio; 89 struct phylink_pcs **pcs; 90 resource_size_t switch_base; 91 enum dsa_tag_protocol tag_proto; 92 const struct felix_tag_proto_ops *tag_proto_ops; 93 struct kthread_worker *xmit_worker; 94 unsigned long host_flood_uc_mask; 95 unsigned long host_flood_mc_mask; 96 }; 97 98 struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port); 99 int felix_netdev_to_port(struct net_device *dev); 100 101 #endif 102