Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
new file mode 100644
index 0000000000..1d4befe7cf
--- /dev/null
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2019 NXP
+ */
+#ifndef _MSCC_FELIX_H
+#define _MSCC_FELIX_H
+
+#define ocelot_to_felix(o)		container_of((o), struct felix, ocelot)
+#define FELIX_MAC_QUIRKS		OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION
+
+#define OCELOT_PORT_MODE_NONE		0
+#define OCELOT_PORT_MODE_INTERNAL	BIT(0)
+#define OCELOT_PORT_MODE_SGMII		BIT(1)
+#define OCELOT_PORT_MODE_QSGMII		BIT(2)
+#define OCELOT_PORT_MODE_2500BASEX	BIT(3)
+#define OCELOT_PORT_MODE_USXGMII	BIT(4)
+#define OCELOT_PORT_MODE_1000BASEX	BIT(5)
+
+struct device_node;
+
+/* Platform-specific information */
+struct felix_info {
+	/* Hardcoded resources provided by the hardware instantiation. */
+	const struct resource		*resources;
+	size_t				num_resources;
+	/* Names of the mandatory resources that will be requested during
+	 * probe. Must have TARGET_MAX elements, since it is indexed by target.
+	 */
+	const char *const		*resource_names;
+	const struct reg_field		*regfields;
+	const u32 *const		*map;
+	const struct ocelot_ops		*ops;
+	const u32			*port_modes;
+	int				num_mact_rows;
+	int				num_ports;
+	int				num_tx_queues;
+	struct vcap_props		*vcap;
+	u16				vcap_pol_base;
+	u16				vcap_pol_max;
+	u16				vcap_pol_base2;
+	u16				vcap_pol_max2;
+	const struct ptp_clock_info	*ptp_caps;
+	unsigned long			quirks;
+
+	/* Some Ocelot switches are integrated into the SoC without the
+	 * extraction IRQ line connected to the ARM GIC. By enabling this
+	 * workaround, the few packets that are delivered to the CPU port
+	 * module (currently only PTP) are copied not only to the hardware CPU
+	 * port module, but also to the 802.1Q Ethernet CPU port, and polling
+	 * the extraction registers is triggered once the DSA tagger sees a PTP
+	 * frame. The Ethernet frame is only used as a notification: it is
+	 * dropped, and the original frame is extracted over MMIO and annotated
+	 * with the RX timestamp.
+	 */
+	bool				quirk_no_xtr_irq;
+
+	int	(*mdio_bus_alloc)(struct ocelot *ocelot);
+	void	(*mdio_bus_free)(struct ocelot *ocelot);
+	int	(*port_setup_tc)(struct dsa_switch *ds, int port,
+				 enum tc_setup_type type, void *type_data);
+	void	(*port_sched_speed_set)(struct ocelot *ocelot, int port,
+					u32 speed);
+	void	(*phylink_mac_config)(struct ocelot *ocelot, int port,
+				      unsigned int mode,
+				      const struct phylink_link_state *state);
+	int	(*configure_serdes)(struct ocelot *ocelot, int port,
+				    struct device_node *portnp);
+};
+
+/* Methods for initializing the hardware resources specific to a tagging
+ * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs,
+ * for "ocelot-8021q").
+ * It is important that the resources configured here do not have side effects
+ * for the other tagging protocols. If that is the case, their configuration
+ * needs to go to felix_tag_proto_setup_shared().
+ */
+struct felix_tag_proto_ops {
+	int (*setup)(struct dsa_switch *ds);
+	void (*teardown)(struct dsa_switch *ds);
+	unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds);
+	int (*change_master)(struct dsa_switch *ds, int port,
+			     struct net_device *master,
+			     struct netlink_ext_ack *extack);
+};
+
+extern const struct dsa_switch_ops felix_switch_ops;
+
+/* DSA glue / front-end for struct ocelot */
+struct felix {
+	struct dsa_switch		*ds;
+	const struct felix_info		*info;
+	struct ocelot			ocelot;
+	struct mii_bus			*imdio;
+	struct phylink_pcs		**pcs;
+	resource_size_t			switch_base;
+	enum dsa_tag_protocol		tag_proto;
+	const struct felix_tag_proto_ops *tag_proto_ops;
+	struct kthread_worker		*xmit_worker;
+	unsigned long			host_flood_uc_mask;
+	unsigned long			host_flood_mc_mask;
+};
+
+struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
+int felix_netdev_to_port(struct net_device *dev);
+
+#endif