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 int num_ports; 32 int num_tx_queues; 33 struct vcap_props *vcap; 34 u16 vcap_pol_base; 35 u16 vcap_pol_max; 36 u16 vcap_pol_base2; 37 u16 vcap_pol_max2; 38 const struct ptp_clock_info *ptp_caps; 39 40 /* Some Ocelot switches are integrated into the SoC without the 41 * extraction IRQ line connected to the ARM GIC. By enabling this 42 * workaround, the few packets that are delivered to the CPU port 43 * module (currently only PTP) are copied not only to the hardware CPU 44 * port module, but also to the 802.1Q Ethernet CPU port, and polling 45 * the extraction registers is triggered once the DSA tagger sees a PTP 46 * frame. The Ethernet frame is only used as a notification: it is 47 * dropped, and the original frame is extracted over MMIO and annotated 48 * with the RX timestamp. 49 */ 50 bool quirk_no_xtr_irq; 51 52 int (*mdio_bus_alloc)(struct ocelot *ocelot); 53 void (*mdio_bus_free)(struct ocelot *ocelot); 54 int (*port_setup_tc)(struct dsa_switch *ds, int port, 55 enum tc_setup_type type, void *type_data); 56 void (*tas_guard_bands_update)(struct ocelot *ocelot, int port); 57 void (*port_sched_speed_set)(struct ocelot *ocelot, int port, 58 u32 speed); 59 }; 60 61 /* Methods for initializing the hardware resources specific to a tagging 62 * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs, 63 * for "ocelot-8021q"). 64 * It is important that the resources configured here do not have side effects 65 * for the other tagging protocols. If that is the case, their configuration 66 * needs to go to felix_tag_proto_setup_shared(). 67 */ 68 struct felix_tag_proto_ops { 69 int (*setup)(struct dsa_switch *ds); 70 void (*teardown)(struct dsa_switch *ds); 71 unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds); 72 int (*change_master)(struct dsa_switch *ds, int port, 73 struct net_device *master, 74 struct netlink_ext_ack *extack); 75 }; 76 77 extern const struct dsa_switch_ops felix_switch_ops; 78 79 /* DSA glue / front-end for struct ocelot */ 80 struct felix { 81 struct dsa_switch *ds; 82 const struct felix_info *info; 83 struct ocelot ocelot; 84 struct mii_bus *imdio; 85 struct phylink_pcs **pcs; 86 resource_size_t switch_base; 87 enum dsa_tag_protocol tag_proto; 88 const struct felix_tag_proto_ops *tag_proto_ops; 89 struct kthread_worker *xmit_worker; 90 unsigned long host_flood_uc_mask; 91 unsigned long host_flood_mc_mask; 92 }; 93 94 struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port); 95 int felix_netdev_to_port(struct net_device *dev); 96 97 #endif 98