Loading...
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
18struct device_node;
19
20/* Platform-specific information */
21struct 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 */
76struct 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
85extern const struct dsa_switch_ops felix_switch_ops;
86
87/* DSA glue / front-end for struct ocelot */
88struct 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
102struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
103int felix_netdev_to_port(struct net_device *dev);
104
105#endif
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright 2019 NXP Semiconductors
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
9/* Platform-specific information */
10struct felix_info {
11 const struct resource *target_io_res;
12 const struct resource *port_io_res;
13 const struct resource *imdio_res;
14 const struct reg_field *regfields;
15 const u32 *const *map;
16 const struct ocelot_ops *ops;
17 int num_mact_rows;
18 const struct ocelot_stat_layout *stats_layout;
19 unsigned int num_stats;
20 int num_ports;
21 int num_tx_queues;
22 struct vcap_props *vcap;
23 int switch_pci_bar;
24 int imdio_pci_bar;
25 const struct ptp_clock_info *ptp_caps;
26
27 /* Some Ocelot switches are integrated into the SoC without the
28 * extraction IRQ line connected to the ARM GIC. By enabling this
29 * workaround, the few packets that are delivered to the CPU port
30 * module (currently only PTP) are copied not only to the hardware CPU
31 * port module, but also to the 802.1Q Ethernet CPU port, and polling
32 * the extraction registers is triggered once the DSA tagger sees a PTP
33 * frame. The Ethernet frame is only used as a notification: it is
34 * dropped, and the original frame is extracted over MMIO and annotated
35 * with the RX timestamp.
36 */
37 bool quirk_no_xtr_irq;
38
39 int (*mdio_bus_alloc)(struct ocelot *ocelot);
40 void (*mdio_bus_free)(struct ocelot *ocelot);
41 void (*phylink_validate)(struct ocelot *ocelot, int port,
42 unsigned long *supported,
43 struct phylink_link_state *state);
44 int (*prevalidate_phy_mode)(struct ocelot *ocelot, int port,
45 phy_interface_t phy_mode);
46 int (*port_setup_tc)(struct dsa_switch *ds, int port,
47 enum tc_setup_type type, void *type_data);
48 void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
49 u32 speed);
50};
51
52extern const struct dsa_switch_ops felix_switch_ops;
53
54/* DSA glue / front-end for struct ocelot */
55struct felix {
56 struct dsa_switch *ds;
57 const struct felix_info *info;
58 struct ocelot ocelot;
59 struct mii_bus *imdio;
60 struct lynx_pcs **pcs;
61 resource_size_t switch_base;
62 resource_size_t imdio_base;
63 struct dsa_8021q_context *dsa_8021q_ctx;
64 enum dsa_tag_protocol tag_proto;
65};
66
67struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
68int felix_netdev_to_port(struct net_device *dev);
69
70#endif