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_NONE 0 |
11 | #define OCELOT_PORT_MODE_INTERNAL BIT(0) |
12 | #define OCELOT_PORT_MODE_SGMII BIT(1) |
13 | #define OCELOT_PORT_MODE_QSGMII BIT(2) |
14 | #define OCELOT_PORT_MODE_2500BASEX BIT(3) |
15 | #define OCELOT_PORT_MODE_USXGMII BIT(4) |
16 | #define OCELOT_PORT_MODE_1000BASEX BIT(5) |
17 | |
18 | struct device_node; |
19 | |
20 | /* Platform-specific information */ |
21 | struct felix_info { |
22 | /* Hardcoded resources provided by the hardware instantiation. */ |
23 | const struct resource *resources; |
24 | size_t num_resources; |
25 | /* Names of the mandatory resources that will be requested during |
26 | * probe. Must have TARGET_MAX elements, since it is indexed by target. |
27 | */ |
28 | const char *const *resource_names; |
29 | const struct reg_field *regfields; |
30 | const u32 *const *map; |
31 | const struct ocelot_ops *ops; |
32 | const u32 *port_modes; |
33 | int num_mact_rows; |
34 | int num_ports; |
35 | int num_tx_queues; |
36 | struct vcap_props *vcap; |
37 | u16 vcap_pol_base; |
38 | u16 vcap_pol_max; |
39 | u16 vcap_pol_base2; |
40 | u16 vcap_pol_max2; |
41 | const struct ptp_clock_info *ptp_caps; |
42 | unsigned long quirks; |
43 | |
44 | /* Some Ocelot switches are integrated into the SoC without the |
45 | * extraction IRQ line connected to the ARM GIC. By enabling this |
46 | * workaround, the few packets that are delivered to the CPU port |
47 | * module (currently only PTP) are copied not only to the hardware CPU |
48 | * port module, but also to the 802.1Q Ethernet CPU port, and polling |
49 | * the extraction registers is triggered once the DSA tagger sees a PTP |
50 | * frame. The Ethernet frame is only used as a notification: it is |
51 | * dropped, and the original frame is extracted over MMIO and annotated |
52 | * with the RX timestamp. |
53 | */ |
54 | bool quirk_no_xtr_irq; |
55 | |
56 | int (*mdio_bus_alloc)(struct ocelot *ocelot); |
57 | void (*mdio_bus_free)(struct ocelot *ocelot); |
58 | int (*port_setup_tc)(struct dsa_switch *ds, int port, |
59 | enum tc_setup_type type, void *type_data); |
60 | void (*port_sched_speed_set)(struct ocelot *ocelot, int port, |
61 | u32 speed); |
62 | void (*phylink_mac_config)(struct ocelot *ocelot, int port, |
63 | unsigned int mode, |
64 | const struct phylink_link_state *state); |
65 | int (*configure_serdes)(struct ocelot *ocelot, int port, |
66 | struct device_node *portnp); |
67 | }; |
68 | |
69 | /* Methods for initializing the hardware resources specific to a tagging |
70 | * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs, |
71 | * for "ocelot-8021q"). |
72 | * It is important that the resources configured here do not have side effects |
73 | * for the other tagging protocols. If that is the case, their configuration |
74 | * needs to go to felix_tag_proto_setup_shared(). |
75 | */ |
76 | struct felix_tag_proto_ops { |
77 | int (*setup)(struct dsa_switch *ds); |
78 | void (*teardown)(struct dsa_switch *ds); |
79 | unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds); |
80 | int (*change_conduit)(struct dsa_switch *ds, int port, |
81 | struct net_device *conduit, |
82 | struct netlink_ext_ack *extack); |
83 | }; |
84 | |
85 | extern const struct dsa_switch_ops felix_switch_ops; |
86 | |
87 | /* DSA glue / front-end for struct ocelot */ |
88 | struct felix { |
89 | struct dsa_switch *ds; |
90 | const struct felix_info *info; |
91 | struct ocelot ocelot; |
92 | struct mii_bus *imdio; |
93 | struct phylink_pcs **pcs; |
94 | resource_size_t switch_base; |
95 | enum dsa_tag_protocol tag_proto; |
96 | const struct felix_tag_proto_ops *tag_proto_ops; |
97 | struct kthread_worker *xmit_worker; |
98 | unsigned long host_flood_uc_mask; |
99 | unsigned long host_flood_mc_mask; |
100 | }; |
101 | |
102 | struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port); |
103 | int felix_netdev_to_port(struct net_device *dev); |
104 | |
105 | #endif |
106 | |