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 int (*port_setup_tc)(struct dsa_switch *ds, int port, 56 enum tc_setup_type type, void *type_data); 57 void (*tas_guard_bands_update)(struct ocelot *ocelot, int port); 58 void (*port_sched_speed_set)(struct ocelot *ocelot, int port, 59 u32 speed); 60 }; 61 62 /* Methods for initializing the hardware resources specific to a tagging 63 * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs, 64 * for "ocelot-8021q"). 65 * It is important that the resources configured here do not have side effects 66 * for the other tagging protocols. If that is the case, their configuration 67 * needs to go to felix_tag_proto_setup_shared(). 68 */ 69 struct felix_tag_proto_ops { 70 int (*setup)(struct dsa_switch *ds); 71 void (*teardown)(struct dsa_switch *ds); 72 unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds); 73 int (*change_master)(struct dsa_switch *ds, int port, 74 struct net_device *master, 75 struct netlink_ext_ack *extack); 76 }; 77 78 extern const struct dsa_switch_ops felix_switch_ops; 79 80 /* DSA glue / front-end for struct ocelot */ 81 struct felix { 82 struct dsa_switch *ds; 83 const struct felix_info *info; 84 struct ocelot ocelot; 85 struct mii_bus *imdio; 86 struct phylink_pcs **pcs; 87 resource_size_t switch_base; 88 enum dsa_tag_protocol tag_proto; 89 const struct felix_tag_proto_ops *tag_proto_ops; 90 struct kthread_worker *xmit_worker; 91 unsigned long host_flood_uc_mask; 92 unsigned long host_flood_mc_mask; 93 }; 94 95 struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port); 96 int felix_netdev_to_port(struct net_device *dev); 97 98 #endif 99