diff --git a/MAINTAINERS b/MAINTAINERS index 3e57fc1d9962..39681b34f8e3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10834,6 +10834,7 @@ M: Microchip Linux Driver Support L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/mscc/ +F: include/soc/mscc/ocelot* MICROSOFT SURFACE PRO 3 BUTTON DRIVER M: Chen Yu @@ -17359,6 +17360,14 @@ S: Maintained F: drivers/input/serio/userio.c F: include/uapi/linux/userio.h +VITESSE FELIX ETHERNET SWITCH DRIVER +M: Vladimir Oltean +M: Claudiu Manoil +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/dsa/ocelot/* +F: net/dsa/tag_ocelot.c + VIVID VIRTUAL VIDEO DRIVER M: Hans Verkuil L: linux-media@vger.kernel.org diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig index 685e12b05a7c..c7667645f04a 100644 --- a/drivers/net/dsa/Kconfig +++ b/drivers/net/dsa/Kconfig @@ -52,6 +52,8 @@ source "drivers/net/dsa/microchip/Kconfig" source "drivers/net/dsa/mv88e6xxx/Kconfig" +source "drivers/net/dsa/ocelot/Kconfig" + source "drivers/net/dsa/sja1105/Kconfig" config NET_DSA_QCA8K diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile index ae70b79628d6..9d384a32b3a2 100644 --- a/drivers/net/dsa/Makefile +++ b/drivers/net/dsa/Makefile @@ -20,4 +20,5 @@ obj-$(CONFIG_NET_DSA_VITESSE_VSC73XX_SPI) += vitesse-vsc73xx-spi.o obj-y += b53/ obj-y += microchip/ obj-y += mv88e6xxx/ +obj-y += ocelot/ obj-y += sja1105/ diff --git a/drivers/net/dsa/ocelot/Kconfig b/drivers/net/dsa/ocelot/Kconfig new file mode 100644 index 000000000000..0031ca814346 --- /dev/null +++ b/drivers/net/dsa/ocelot/Kconfig @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0-only +config NET_DSA_MSCC_FELIX + tristate "Ocelot / Felix Ethernet switch support" + depends on NET_DSA && PCI + select MSCC_OCELOT_SWITCH + select NET_DSA_TAG_OCELOT + help + This driver supports the VSC9959 network switch, which is a member of + the Vitesse / Microsemi / Microchip Ocelot family of switching cores. + It is embedded as a PCIe function of the NXP LS1028A ENETC integrated + endpoint. diff --git a/drivers/net/dsa/ocelot/Makefile b/drivers/net/dsa/ocelot/Makefile new file mode 100644 index 000000000000..37ad403e0b2a --- /dev/null +++ b/drivers/net/dsa/ocelot/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_NET_DSA_MSCC_FELIX) += mscc_felix.o + +mscc_felix-objs := \ + felix.o \ + felix_vsc9959.o diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c new file mode 100644 index 000000000000..05e3f2898bf6 --- /dev/null +++ b/drivers/net/dsa/ocelot/felix.c @@ -0,0 +1,441 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright 2019 NXP Semiconductors + */ +#include +#include +#include +#include +#include +#include +#include "felix.h" + +static enum dsa_tag_protocol felix_get_tag_protocol(struct dsa_switch *ds, + int port) +{ + return DSA_TAG_PROTO_OCELOT; +} + +static int felix_set_ageing_time(struct dsa_switch *ds, + unsigned int ageing_time) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_set_ageing_time(ocelot, ageing_time); + + return 0; +} + +static void felix_adjust_link(struct dsa_switch *ds, int port, + struct phy_device *phydev) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_adjust_link(ocelot, port, phydev); +} + +static int felix_fdb_dump(struct dsa_switch *ds, int port, + dsa_fdb_dump_cb_t *cb, void *data) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_fdb_dump(ocelot, port, cb, data); +} + +static int felix_fdb_add(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid) +{ + struct ocelot *ocelot = ds->priv; + bool vlan_aware; + + vlan_aware = dsa_port_is_vlan_filtering(dsa_to_port(ds, port)); + + return ocelot_fdb_add(ocelot, port, addr, vid, vlan_aware); +} + +static int felix_fdb_del(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_fdb_del(ocelot, port, addr, vid); +} + +static void felix_bridge_stp_state_set(struct dsa_switch *ds, int port, + u8 state) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_bridge_stp_state_set(ocelot, port, state); +} + +static int felix_bridge_join(struct dsa_switch *ds, int port, + struct net_device *br) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_port_bridge_join(ocelot, port, br); +} + +static void felix_bridge_leave(struct dsa_switch *ds, int port, + struct net_device *br) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_port_bridge_leave(ocelot, port, br); +} + +/* This callback needs to be present */ +static int felix_vlan_prepare(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + return 0; +} + +static int felix_vlan_filtering(struct dsa_switch *ds, int port, bool enabled) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_port_vlan_filtering(ocelot, port, enabled); + + return 0; +} + +static void felix_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + struct ocelot *ocelot = ds->priv; + u16 vid; + int err; + + for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { + err = ocelot_vlan_add(ocelot, port, vid, + vlan->flags & BRIDGE_VLAN_INFO_PVID, + vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED); + if (err) { + dev_err(ds->dev, "Failed to add VLAN %d to port %d: %d\n", + vid, port, err); + return; + } + } +} + +static int felix_vlan_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + struct ocelot *ocelot = ds->priv; + u16 vid; + int err; + + for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { + err = ocelot_vlan_del(ocelot, port, vid); + if (err) { + dev_err(ds->dev, "Failed to remove VLAN %d from port %d: %d\n", + vid, port, err); + return err; + } + } + return 0; +} + +static int felix_port_enable(struct dsa_switch *ds, int port, + struct phy_device *phy) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_port_enable(ocelot, port, phy); + + return 0; +} + +static void felix_port_disable(struct dsa_switch *ds, int port) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_port_disable(ocelot, port); +} + +static void felix_get_strings(struct dsa_switch *ds, int port, + u32 stringset, u8 *data) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_get_strings(ocelot, port, stringset, data); +} + +static void felix_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data) +{ + struct ocelot *ocelot = ds->priv; + + ocelot_get_ethtool_stats(ocelot, port, data); +} + +static int felix_get_sset_count(struct dsa_switch *ds, int port, int sset) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_get_sset_count(ocelot, port, sset); +} + +static int felix_get_ts_info(struct dsa_switch *ds, int port, + struct ethtool_ts_info *info) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_get_ts_info(ocelot, port, info); +} + +static int felix_init_structs(struct felix *felix, int num_phys_ports) +{ + struct ocelot *ocelot = &felix->ocelot; + resource_size_t base; + int port, i, err; + + ocelot->num_phys_ports = num_phys_ports; + ocelot->ports = devm_kcalloc(ocelot->dev, num_phys_ports, + sizeof(struct ocelot_port *), GFP_KERNEL); + if (!ocelot->ports) + return -ENOMEM; + + ocelot->map = felix->info->map; + ocelot->stats_layout = felix->info->stats_layout; + ocelot->num_stats = felix->info->num_stats; + ocelot->shared_queue_sz = felix->info->shared_queue_sz; + ocelot->ops = felix->info->ops; + + base = pci_resource_start(felix->pdev, felix->info->pci_bar); + + for (i = 0; i < TARGET_MAX; i++) { + struct regmap *target; + struct resource *res; + + if (!felix->info->target_io_res[i].name) + continue; + + res = &felix->info->target_io_res[i]; + res->flags = IORESOURCE_MEM; + res->start += base; + res->end += base; + + target = ocelot_regmap_init(ocelot, res); + if (IS_ERR(target)) { + dev_err(ocelot->dev, + "Failed to map device memory space\n"); + return PTR_ERR(target); + } + + ocelot->targets[i] = target; + } + + err = ocelot_regfields_init(ocelot, felix->info->regfields); + if (err) { + dev_err(ocelot->dev, "failed to init reg fields map\n"); + return err; + } + + for (port = 0; port < num_phys_ports; port++) { + struct ocelot_port *ocelot_port; + void __iomem *port_regs; + struct resource *res; + + ocelot_port = devm_kzalloc(ocelot->dev, + sizeof(struct ocelot_port), + GFP_KERNEL); + if (!ocelot_port) { + dev_err(ocelot->dev, + "failed to allocate port memory\n"); + return -ENOMEM; + } + + res = &felix->info->port_io_res[port]; + res->flags = IORESOURCE_MEM; + res->start += base; + res->end += base; + + port_regs = devm_ioremap_resource(ocelot->dev, res); + if (IS_ERR(port_regs)) { + dev_err(ocelot->dev, + "failed to map registers for port %d\n", port); + return PTR_ERR(port_regs); + } + + ocelot_port->ocelot = ocelot; + ocelot_port->regs = port_regs; + ocelot->ports[port] = ocelot_port; + } + + return 0; +} + +/* Hardware initialization done here so that we can allocate structures with + * devm without fear of dsa_register_switch returning -EPROBE_DEFER and causing + * us to allocate structures twice (leak memory) and map PCI memory twice + * (which will not work). + */ +static int felix_setup(struct dsa_switch *ds) +{ + struct ocelot *ocelot = ds->priv; + struct felix *felix = ocelot_to_felix(ocelot); + int port, err; + + err = felix_init_structs(felix, ds->num_ports); + if (err) + return err; + + ocelot_init(ocelot); + + for (port = 0; port < ds->num_ports; port++) { + ocelot_init_port(ocelot, port); + + if (port == dsa_upstream_port(ds, port)) + ocelot_set_cpu_port(ocelot, port, + OCELOT_TAG_PREFIX_NONE, + OCELOT_TAG_PREFIX_LONG); + } + + return 0; +} + +static void felix_teardown(struct dsa_switch *ds) +{ + struct ocelot *ocelot = ds->priv; + + /* stop workqueue thread */ + ocelot_deinit(ocelot); +} + +static const struct dsa_switch_ops felix_switch_ops = { + .get_tag_protocol = felix_get_tag_protocol, + .setup = felix_setup, + .teardown = felix_teardown, + .set_ageing_time = felix_set_ageing_time, + .get_strings = felix_get_strings, + .get_ethtool_stats = felix_get_ethtool_stats, + .get_sset_count = felix_get_sset_count, + .get_ts_info = felix_get_ts_info, + .adjust_link = felix_adjust_link, + .port_enable = felix_port_enable, + .port_disable = felix_port_disable, + .port_fdb_dump = felix_fdb_dump, + .port_fdb_add = felix_fdb_add, + .port_fdb_del = felix_fdb_del, + .port_bridge_join = felix_bridge_join, + .port_bridge_leave = felix_bridge_leave, + .port_stp_state_set = felix_bridge_stp_state_set, + .port_vlan_prepare = felix_vlan_prepare, + .port_vlan_filtering = felix_vlan_filtering, + .port_vlan_add = felix_vlan_add, + .port_vlan_del = felix_vlan_del, +}; + +static struct felix_info *felix_instance_tbl[] = { + [FELIX_INSTANCE_VSC9959] = &felix_info_vsc9959, +}; + +static int felix_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + enum felix_instance instance = id->driver_data; + struct dsa_switch *ds; + struct ocelot *ocelot; + struct felix *felix; + int err; + + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "device enable failed\n"); + goto err_pci_enable; + } + + /* set up for high or low dma */ + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { + dev_err(&pdev->dev, + "DMA configuration failed: 0x%x\n", err); + goto err_dma; + } + } + + felix = kzalloc(sizeof(struct felix), GFP_KERNEL); + if (!felix) { + err = -ENOMEM; + dev_err(&pdev->dev, "Failed to allocate driver memory\n"); + goto err_alloc_felix; + } + + pci_set_drvdata(pdev, felix); + ocelot = &felix->ocelot; + ocelot->dev = &pdev->dev; + felix->pdev = pdev; + felix->info = felix_instance_tbl[instance]; + + pci_set_master(pdev); + + ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL); + if (!ds) { + err = -ENOMEM; + dev_err(&pdev->dev, "Failed to allocate DSA switch\n"); + goto err_alloc_ds; + } + + ds->dev = &pdev->dev; + ds->num_ports = felix->info->num_ports; + ds->ops = &felix_switch_ops; + ds->priv = ocelot; + felix->ds = ds; + + err = dsa_register_switch(ds); + if (err) { + dev_err(&pdev->dev, "Failed to register DSA switch: %d\n", err); + goto err_register_ds; + } + + return 0; + +err_register_ds: + kfree(ds); +err_alloc_ds: +err_alloc_felix: + kfree(felix); +err_dma: + pci_disable_device(pdev); +err_pci_enable: + return err; +} + +static void felix_pci_remove(struct pci_dev *pdev) +{ + struct felix *felix; + + felix = pci_get_drvdata(pdev); + + dsa_unregister_switch(felix->ds); + + kfree(felix->ds); + kfree(felix); + + pci_disable_device(pdev); +} + +static struct pci_device_id felix_ids[] = { + { + /* NXP LS1028A */ + PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0xEEF0), + .driver_data = FELIX_INSTANCE_VSC9959, + }, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, felix_ids); + +static struct pci_driver felix_pci_driver = { + .name = KBUILD_MODNAME, + .id_table = felix_ids, + .probe = felix_pci_probe, + .remove = felix_pci_remove, +}; + +module_pci_driver(felix_pci_driver); + +MODULE_DESCRIPTION("Felix Switch driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h new file mode 100644 index 000000000000..204296e51d0c --- /dev/null +++ b/drivers/net/dsa/ocelot/felix.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright 2019 NXP Semiconductors + */ +#ifndef _MSCC_FELIX_H +#define _MSCC_FELIX_H + +#define ocelot_to_felix(o) container_of((o), struct felix, ocelot) + +/* Platform-specific information */ +struct felix_info { + struct resource *target_io_res; + struct resource *port_io_res; + const struct reg_field *regfields; + const u32 *const *map; + const struct ocelot_ops *ops; + int shared_queue_sz; + const struct ocelot_stat_layout *stats_layout; + unsigned int num_stats; + int num_ports; + int pci_bar; +}; + +extern struct felix_info felix_info_vsc9959; + +enum felix_instance { + FELIX_INSTANCE_VSC9959 = 0, +}; + +/* DSA glue / front-end for struct ocelot */ +struct felix { + struct dsa_switch *ds; + struct pci_dev *pdev; + struct felix_info *info; + struct ocelot ocelot; +}; + +#endif diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c new file mode 100644 index 000000000000..d67bd14a48e0 --- /dev/null +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -0,0 +1,567 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* Copyright 2017 Microsemi Corporation + * Copyright 2018-2019 NXP Semiconductors + */ +#include +#include +#include +#include +#include "felix.h" + +static const u32 vsc9959_ana_regmap[] = { + REG(ANA_ADVLEARN, 0x0089a0), + REG(ANA_VLANMASK, 0x0089a4), + REG_RESERVED(ANA_PORT_B_DOMAIN), + REG(ANA_ANAGEFIL, 0x0089ac), + REG(ANA_ANEVENTS, 0x0089b0), + REG(ANA_STORMLIMIT_BURST, 0x0089b4), + REG(ANA_STORMLIMIT_CFG, 0x0089b8), + REG(ANA_ISOLATED_PORTS, 0x0089c8), + REG(ANA_COMMUNITY_PORTS, 0x0089cc), + REG(ANA_AUTOAGE, 0x0089d0), + REG(ANA_MACTOPTIONS, 0x0089d4), + REG(ANA_LEARNDISC, 0x0089d8), + REG(ANA_AGENCTRL, 0x0089dc), + REG(ANA_MIRRORPORTS, 0x0089e0), + REG(ANA_EMIRRORPORTS, 0x0089e4), + REG(ANA_FLOODING, 0x0089e8), + REG(ANA_FLOODING_IPMC, 0x008a08), + REG(ANA_SFLOW_CFG, 0x008a0c), + REG(ANA_PORT_MODE, 0x008a28), + REG(ANA_CUT_THRU_CFG, 0x008a48), + REG(ANA_PGID_PGID, 0x008400), + REG(ANA_TABLES_ANMOVED, 0x007f1c), + REG(ANA_TABLES_MACHDATA, 0x007f20), + REG(ANA_TABLES_MACLDATA, 0x007f24), + REG(ANA_TABLES_STREAMDATA, 0x007f28), + REG(ANA_TABLES_MACACCESS, 0x007f2c), + REG(ANA_TABLES_MACTINDX, 0x007f30), + REG(ANA_TABLES_VLANACCESS, 0x007f34), + REG(ANA_TABLES_VLANTIDX, 0x007f38), + REG(ANA_TABLES_ISDXACCESS, 0x007f3c), + REG(ANA_TABLES_ISDXTIDX, 0x007f40), + REG(ANA_TABLES_ENTRYLIM, 0x007f00), + REG(ANA_TABLES_PTP_ID_HIGH, 0x007f44), + REG(ANA_TABLES_PTP_ID_LOW, 0x007f48), + REG(ANA_TABLES_STREAMACCESS, 0x007f4c), + REG(ANA_TABLES_STREAMTIDX, 0x007f50), + REG(ANA_TABLES_SEQ_HISTORY, 0x007f54), + REG(ANA_TABLES_SEQ_MASK, 0x007f58), + REG(ANA_TABLES_SFID_MASK, 0x007f5c), + REG(ANA_TABLES_SFIDACCESS, 0x007f60), + REG(ANA_TABLES_SFIDTIDX, 0x007f64), + REG(ANA_MSTI_STATE, 0x008600), + REG(ANA_OAM_UPM_LM_CNT, 0x008000), + REG(ANA_SG_ACCESS_CTRL, 0x008a64), + REG(ANA_SG_CONFIG_REG_1, 0x007fb0), + REG(ANA_SG_CONFIG_REG_2, 0x007fb4), + REG(ANA_SG_CONFIG_REG_3, 0x007fb8), + REG(ANA_SG_CONFIG_REG_4, 0x007fbc), + REG(ANA_SG_CONFIG_REG_5, 0x007fc0), + REG(ANA_SG_GCL_GS_CONFIG, 0x007f80), + REG(ANA_SG_GCL_TI_CONFIG, 0x007f90), + REG(ANA_SG_STATUS_REG_1, 0x008980), + REG(ANA_SG_STATUS_REG_2, 0x008984), + REG(ANA_SG_STATUS_REG_3, 0x008988), + REG(ANA_PORT_VLAN_CFG, 0x007800), + REG(ANA_PORT_DROP_CFG, 0x007804), + REG(ANA_PORT_QOS_CFG, 0x007808), + REG(ANA_PORT_VCAP_CFG, 0x00780c), + REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007810), + REG(ANA_PORT_VCAP_S2_CFG, 0x00781c), + REG(ANA_PORT_PCP_DEI_MAP, 0x007820), + REG(ANA_PORT_CPU_FWD_CFG, 0x007860), + REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007864), + REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007868), + REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00786c), + REG(ANA_PORT_PORT_CFG, 0x007870), + REG(ANA_PORT_POL_CFG, 0x007874), + REG(ANA_PORT_PTP_CFG, 0x007878), + REG(ANA_PORT_PTP_DLY1_CFG, 0x00787c), + REG(ANA_PORT_PTP_DLY2_CFG, 0x007880), + REG(ANA_PORT_SFID_CFG, 0x007884), + REG(ANA_PFC_PFC_CFG, 0x008800), + REG_RESERVED(ANA_PFC_PFC_TIMER), + REG_RESERVED(ANA_IPT_OAM_MEP_CFG), + REG_RESERVED(ANA_IPT_IPT), + REG_RESERVED(ANA_PPT_PPT), + REG_RESERVED(ANA_FID_MAP_FID_MAP), + REG(ANA_AGGR_CFG, 0x008a68), + REG(ANA_CPUQ_CFG, 0x008a6c), + REG_RESERVED(ANA_CPUQ_CFG2), + REG(ANA_CPUQ_8021_CFG, 0x008a74), + REG(ANA_DSCP_CFG, 0x008ab4), + REG(ANA_DSCP_REWR_CFG, 0x008bb4), + REG(ANA_VCAP_RNG_TYPE_CFG, 0x008bf4), + REG(ANA_VCAP_RNG_VAL_CFG, 0x008c14), + REG_RESERVED(ANA_VRAP_CFG), + REG_RESERVED(ANA_VRAP_HDR_DATA), + REG_RESERVED(ANA_VRAP_HDR_MASK), + REG(ANA_DISCARD_CFG, 0x008c40), + REG(ANA_FID_CFG, 0x008c44), + REG(ANA_POL_PIR_CFG, 0x004000), + REG(ANA_POL_CIR_CFG, 0x004004), + REG(ANA_POL_MODE_CFG, 0x004008), + REG(ANA_POL_PIR_STATE, 0x00400c), + REG(ANA_POL_CIR_STATE, 0x004010), + REG_RESERVED(ANA_POL_STATE), + REG(ANA_POL_FLOWC, 0x008c48), + REG(ANA_POL_HYST, 0x008cb4), + REG_RESERVED(ANA_POL_MISC_CFG), +}; + +static const u32 vsc9959_qs_regmap[] = { + REG(QS_XTR_GRP_CFG, 0x000000), + REG(QS_XTR_RD, 0x000008), + REG(QS_XTR_FRM_PRUNING, 0x000010), + REG(QS_XTR_FLUSH, 0x000018), + REG(QS_XTR_DATA_PRESENT, 0x00001c), + REG(QS_XTR_CFG, 0x000020), + REG(QS_INJ_GRP_CFG, 0x000024), + REG(QS_INJ_WR, 0x00002c), + REG(QS_INJ_CTRL, 0x000034), + REG(QS_INJ_STATUS, 0x00003c), + REG(QS_INJ_ERR, 0x000040), + REG_RESERVED(QS_INH_DBG), +}; + +static const u32 vsc9959_s2_regmap[] = { + REG(S2_CORE_UPDATE_CTRL, 0x000000), + REG(S2_CORE_MV_CFG, 0x000004), + REG(S2_CACHE_ENTRY_DAT, 0x000008), + REG(S2_CACHE_MASK_DAT, 0x000108), + REG(S2_CACHE_ACTION_DAT, 0x000208), + REG(S2_CACHE_CNT_DAT, 0x000308), + REG(S2_CACHE_TG_DAT, 0x000388), +}; + +static const u32 vsc9959_qsys_regmap[] = { + REG(QSYS_PORT_MODE, 0x00f460), + REG(QSYS_SWITCH_PORT_MODE, 0x00f480), + REG(QSYS_STAT_CNT_CFG, 0x00f49c), + REG(QSYS_EEE_CFG, 0x00f4a0), + REG(QSYS_EEE_THRES, 0x00f4b8), + REG(QSYS_IGR_NO_SHARING, 0x00f4bc), + REG(QSYS_EGR_NO_SHARING, 0x00f4c0), + REG(QSYS_SW_STATUS, 0x00f4c4), + REG(QSYS_EXT_CPU_CFG, 0x00f4e0), + REG_RESERVED(QSYS_PAD_CFG), + REG(QSYS_CPU_GROUP_MAP, 0x00f4e8), + REG_RESERVED(QSYS_QMAP), + REG_RESERVED(QSYS_ISDX_SGRP), + REG_RESERVED(QSYS_TIMED_FRAME_ENTRY), + REG(QSYS_TFRM_MISC, 0x00f50c), + REG(QSYS_TFRM_PORT_DLY, 0x00f510), + REG(QSYS_TFRM_TIMER_CFG_1, 0x00f514), + REG(QSYS_TFRM_TIMER_CFG_2, 0x00f518), + REG(QSYS_TFRM_TIMER_CFG_3, 0x00f51c), + REG(QSYS_TFRM_TIMER_CFG_4, 0x00f520), + REG(QSYS_TFRM_TIMER_CFG_5, 0x00f524), + REG(QSYS_TFRM_TIMER_CFG_6, 0x00f528), + REG(QSYS_TFRM_TIMER_CFG_7, 0x00f52c), + REG(QSYS_TFRM_TIMER_CFG_8, 0x00f530), + REG(QSYS_RED_PROFILE, 0x00f534), + REG(QSYS_RES_QOS_MODE, 0x00f574), + REG(QSYS_RES_CFG, 0x00c000), + REG(QSYS_RES_STAT, 0x00c004), + REG(QSYS_EGR_DROP_MODE, 0x00f578), + REG(QSYS_EQ_CTRL, 0x00f57c), + REG_RESERVED(QSYS_EVENTS_CORE), + REG(QSYS_QMAXSDU_CFG_0, 0x00f584), + REG(QSYS_QMAXSDU_CFG_1, 0x00f5a0), + REG(QSYS_QMAXSDU_CFG_2, 0x00f5bc), + REG(QSYS_QMAXSDU_CFG_3, 0x00f5d8), + REG(QSYS_QMAXSDU_CFG_4, 0x00f5f4), + REG(QSYS_QMAXSDU_CFG_5, 0x00f610), + REG(QSYS_QMAXSDU_CFG_6, 0x00f62c), + REG(QSYS_QMAXSDU_CFG_7, 0x00f648), + REG(QSYS_PREEMPTION_CFG, 0x00f664), + REG_RESERVED(QSYS_CIR_CFG), + REG(QSYS_EIR_CFG, 0x000004), + REG(QSYS_SE_CFG, 0x000008), + REG(QSYS_SE_DWRR_CFG, 0x00000c), + REG_RESERVED(QSYS_SE_CONNECT), + REG(QSYS_SE_DLB_SENSE, 0x000040), + REG(QSYS_CIR_STATE, 0x000044), + REG(QSYS_EIR_STATE, 0x000048), + REG_RESERVED(QSYS_SE_STATE), + REG(QSYS_HSCH_MISC_CFG, 0x00f67c), + REG(QSYS_TAG_CONFIG, 0x00f680), + REG(QSYS_TAS_PARAM_CFG_CTRL, 0x00f698), + REG(QSYS_PORT_MAX_SDU, 0x00f69c), + REG(QSYS_PARAM_CFG_REG_1, 0x00f440), + REG(QSYS_PARAM_CFG_REG_2, 0x00f444), + REG(QSYS_PARAM_CFG_REG_3, 0x00f448), + REG(QSYS_PARAM_CFG_REG_4, 0x00f44c), + REG(QSYS_PARAM_CFG_REG_5, 0x00f450), + REG(QSYS_GCL_CFG_REG_1, 0x00f454), + REG(QSYS_GCL_CFG_REG_2, 0x00f458), + REG(QSYS_PARAM_STATUS_REG_1, 0x00f400), + REG(QSYS_PARAM_STATUS_REG_2, 0x00f404), + REG(QSYS_PARAM_STATUS_REG_3, 0x00f408), + REG(QSYS_PARAM_STATUS_REG_4, 0x00f40c), + REG(QSYS_PARAM_STATUS_REG_5, 0x00f410), + REG(QSYS_PARAM_STATUS_REG_6, 0x00f414), + REG(QSYS_PARAM_STATUS_REG_7, 0x00f418), + REG(QSYS_PARAM_STATUS_REG_8, 0x00f41c), + REG(QSYS_PARAM_STATUS_REG_9, 0x00f420), + REG(QSYS_GCL_STATUS_REG_1, 0x00f424), + REG(QSYS_GCL_STATUS_REG_2, 0x00f428), +}; + +static const u32 vsc9959_rew_regmap[] = { + REG(REW_PORT_VLAN_CFG, 0x000000), + REG(REW_TAG_CFG, 0x000004), + REG(REW_PORT_CFG, 0x000008), + REG(REW_DSCP_CFG, 0x00000c), + REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010), + REG(REW_PTP_CFG, 0x000050), + REG(REW_PTP_DLY1_CFG, 0x000054), + REG(REW_RED_TAG_CFG, 0x000058), + REG(REW_DSCP_REMAP_DP1_CFG, 0x000410), + REG(REW_DSCP_REMAP_CFG, 0x000510), + REG_RESERVED(REW_STAT_CFG), + REG_RESERVED(REW_REW_STICKY), + REG_RESERVED(REW_PPT), +}; + +static const u32 vsc9959_sys_regmap[] = { + REG(SYS_COUNT_RX_OCTETS, 0x000000), + REG(SYS_COUNT_RX_MULTICAST, 0x000008), + REG(SYS_COUNT_RX_SHORTS, 0x000010), + REG(SYS_COUNT_RX_FRAGMENTS, 0x000014), + REG(SYS_COUNT_RX_JABBERS, 0x000018), + REG(SYS_COUNT_RX_64, 0x000024), + REG(SYS_COUNT_RX_65_127, 0x000028), + REG(SYS_COUNT_RX_128_255, 0x00002c), + REG(SYS_COUNT_RX_256_1023, 0x000030), + REG(SYS_COUNT_RX_1024_1526, 0x000034), + REG(SYS_COUNT_RX_1527_MAX, 0x000038), + REG(SYS_COUNT_RX_LONGS, 0x000044), + REG(SYS_COUNT_TX_OCTETS, 0x000200), + REG(SYS_COUNT_TX_COLLISION, 0x000210), + REG(SYS_COUNT_TX_DROPS, 0x000214), + REG(SYS_COUNT_TX_64, 0x00021c), + REG(SYS_COUNT_TX_65_127, 0x000220), + REG(SYS_COUNT_TX_128_511, 0x000224), + REG(SYS_COUNT_TX_512_1023, 0x000228), + REG(SYS_COUNT_TX_1024_1526, 0x00022c), + REG(SYS_COUNT_TX_1527_MAX, 0x000230), + REG(SYS_COUNT_TX_AGING, 0x000278), + REG(SYS_RESET_CFG, 0x000e00), + REG(SYS_SR_ETYPE_CFG, 0x000e04), + REG(SYS_VLAN_ETYPE_CFG, 0x000e08), + REG(SYS_PORT_MODE, 0x000e0c), + REG(SYS_FRONT_PORT_MODE, 0x000e2c), + REG(SYS_FRM_AGING, 0x000e44), + REG(SYS_STAT_CFG, 0x000e48), + REG(SYS_SW_STATUS, 0x000e4c), + REG_RESERVED(SYS_MISC_CFG), + REG(SYS_REW_MAC_HIGH_CFG, 0x000e6c), + REG(SYS_REW_MAC_LOW_CFG, 0x000e84), + REG(SYS_TIMESTAMP_OFFSET, 0x000e9c), + REG(SYS_PAUSE_CFG, 0x000ea0), + REG(SYS_PAUSE_TOT_CFG, 0x000ebc), + REG(SYS_ATOP, 0x000ec0), + REG(SYS_ATOP_TOT_CFG, 0x000edc), + REG(SYS_MAC_FC_CFG, 0x000ee0), + REG(SYS_MMGT, 0x000ef8), + REG_RESERVED(SYS_MMGT_FAST), + REG_RESERVED(SYS_EVENTS_DIF), + REG_RESERVED(SYS_EVENTS_CORE), + REG_RESERVED(SYS_CNT), + REG(SYS_PTP_STATUS, 0x000f14), + REG(SYS_PTP_TXSTAMP, 0x000f18), + REG(SYS_PTP_NXT, 0x000f1c), + REG(SYS_PTP_CFG, 0x000f20), + REG(SYS_RAM_INIT, 0x000f24), + REG_RESERVED(SYS_CM_ADDR), + REG_RESERVED(SYS_CM_DATA_WR), + REG_RESERVED(SYS_CM_DATA_RD), + REG_RESERVED(SYS_CM_OP), + REG_RESERVED(SYS_CM_DATA), +}; + +static const u32 vsc9959_gcb_regmap[] = { + REG(GCB_SOFT_RST, 0x000004), +}; + +static const u32 *vsc9959_regmap[] = { + [ANA] = vsc9959_ana_regmap, + [QS] = vsc9959_qs_regmap, + [QSYS] = vsc9959_qsys_regmap, + [REW] = vsc9959_rew_regmap, + [SYS] = vsc9959_sys_regmap, + [S2] = vsc9959_s2_regmap, + [GCB] = vsc9959_gcb_regmap, +}; + +/* Addresses are relative to the PCI device's base address and + * will be fixed up at ioremap time. + */ +static struct resource vsc9959_target_io_res[] = { + [ANA] = { + .start = 0x0280000, + .end = 0x028ffff, + .name = "ana", + }, + [QS] = { + .start = 0x0080000, + .end = 0x00800ff, + .name = "qs", + }, + [QSYS] = { + .start = 0x0200000, + .end = 0x021ffff, + .name = "qsys", + }, + [REW] = { + .start = 0x0030000, + .end = 0x003ffff, + .name = "rew", + }, + [SYS] = { + .start = 0x0010000, + .end = 0x001ffff, + .name = "sys", + }, + [S2] = { + .start = 0x0060000, + .end = 0x00603ff, + .name = "s2", + }, + [GCB] = { + .start = 0x0070000, + .end = 0x00701ff, + .name = "devcpu_gcb", + }, +}; + +static struct resource vsc9959_port_io_res[] = { + { + .start = 0x0100000, + .end = 0x010ffff, + .name = "port0", + }, + { + .start = 0x0110000, + .end = 0x011ffff, + .name = "port1", + }, + { + .start = 0x0120000, + .end = 0x012ffff, + .name = "port2", + }, + { + .start = 0x0130000, + .end = 0x013ffff, + .name = "port3", + }, + { + .start = 0x0140000, + .end = 0x014ffff, + .name = "port4", + }, + { + .start = 0x0150000, + .end = 0x015ffff, + .name = "port5", + }, +}; + +static const struct reg_field vsc9959_regfields[] = { + [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6), + [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5), + [ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30), + [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26), + [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24), + [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23), + [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22), + [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21), + [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20), + [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19), + [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18), + [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17), + [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15), + [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14), + [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13), + [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12), + [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11), + [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10), + [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9), + [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8), + [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7), + [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6), + [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5), + [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4), + [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3), + [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2), + [ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1), + [ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0), + [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16), + [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12), + [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10), + [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0), + [GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0), +}; + +static const struct ocelot_stat_layout vsc9959_stats_layout[] = { + { .offset = 0x00, .name = "rx_octets", }, + { .offset = 0x01, .name = "rx_unicast", }, + { .offset = 0x02, .name = "rx_multicast", }, + { .offset = 0x03, .name = "rx_broadcast", }, + { .offset = 0x04, .name = "rx_shorts", }, + { .offset = 0x05, .name = "rx_fragments", }, + { .offset = 0x06, .name = "rx_jabbers", }, + { .offset = 0x07, .name = "rx_crc_align_errs", }, + { .offset = 0x08, .name = "rx_sym_errs", }, + { .offset = 0x09, .name = "rx_frames_below_65_octets", }, + { .offset = 0x0A, .name = "rx_frames_65_to_127_octets", }, + { .offset = 0x0B, .name = "rx_frames_128_to_255_octets", }, + { .offset = 0x0C, .name = "rx_frames_256_to_511_octets", }, + { .offset = 0x0D, .name = "rx_frames_512_to_1023_octets", }, + { .offset = 0x0E, .name = "rx_frames_1024_to_1526_octets", }, + { .offset = 0x0F, .name = "rx_frames_over_1526_octets", }, + { .offset = 0x10, .name = "rx_pause", }, + { .offset = 0x11, .name = "rx_control", }, + { .offset = 0x12, .name = "rx_longs", }, + { .offset = 0x13, .name = "rx_classified_drops", }, + { .offset = 0x14, .name = "rx_red_prio_0", }, + { .offset = 0x15, .name = "rx_red_prio_1", }, + { .offset = 0x16, .name = "rx_red_prio_2", }, + { .offset = 0x17, .name = "rx_red_prio_3", }, + { .offset = 0x18, .name = "rx_red_prio_4", }, + { .offset = 0x19, .name = "rx_red_prio_5", }, + { .offset = 0x1A, .name = "rx_red_prio_6", }, + { .offset = 0x1B, .name = "rx_red_prio_7", }, + { .offset = 0x1C, .name = "rx_yellow_prio_0", }, + { .offset = 0x1D, .name = "rx_yellow_prio_1", }, + { .offset = 0x1E, .name = "rx_yellow_prio_2", }, + { .offset = 0x1F, .name = "rx_yellow_prio_3", }, + { .offset = 0x20, .name = "rx_yellow_prio_4", }, + { .offset = 0x21, .name = "rx_yellow_prio_5", }, + { .offset = 0x22, .name = "rx_yellow_prio_6", }, + { .offset = 0x23, .name = "rx_yellow_prio_7", }, + { .offset = 0x24, .name = "rx_green_prio_0", }, + { .offset = 0x25, .name = "rx_green_prio_1", }, + { .offset = 0x26, .name = "rx_green_prio_2", }, + { .offset = 0x27, .name = "rx_green_prio_3", }, + { .offset = 0x28, .name = "rx_green_prio_4", }, + { .offset = 0x29, .name = "rx_green_prio_5", }, + { .offset = 0x2A, .name = "rx_green_prio_6", }, + { .offset = 0x2B, .name = "rx_green_prio_7", }, + { .offset = 0x80, .name = "tx_octets", }, + { .offset = 0x81, .name = "tx_unicast", }, + { .offset = 0x82, .name = "tx_multicast", }, + { .offset = 0x83, .name = "tx_broadcast", }, + { .offset = 0x84, .name = "tx_collision", }, + { .offset = 0x85, .name = "tx_drops", }, + { .offset = 0x86, .name = "tx_pause", }, + { .offset = 0x87, .name = "tx_frames_below_65_octets", }, + { .offset = 0x88, .name = "tx_frames_65_to_127_octets", }, + { .offset = 0x89, .name = "tx_frames_128_255_octets", }, + { .offset = 0x8B, .name = "tx_frames_256_511_octets", }, + { .offset = 0x8C, .name = "tx_frames_1024_1526_octets", }, + { .offset = 0x8D, .name = "tx_frames_over_1526_octets", }, + { .offset = 0x8E, .name = "tx_yellow_prio_0", }, + { .offset = 0x8F, .name = "tx_yellow_prio_1", }, + { .offset = 0x90, .name = "tx_yellow_prio_2", }, + { .offset = 0x91, .name = "tx_yellow_prio_3", }, + { .offset = 0x92, .name = "tx_yellow_prio_4", }, + { .offset = 0x93, .name = "tx_yellow_prio_5", }, + { .offset = 0x94, .name = "tx_yellow_prio_6", }, + { .offset = 0x95, .name = "tx_yellow_prio_7", }, + { .offset = 0x96, .name = "tx_green_prio_0", }, + { .offset = 0x97, .name = "tx_green_prio_1", }, + { .offset = 0x98, .name = "tx_green_prio_2", }, + { .offset = 0x99, .name = "tx_green_prio_3", }, + { .offset = 0x9A, .name = "tx_green_prio_4", }, + { .offset = 0x9B, .name = "tx_green_prio_5", }, + { .offset = 0x9C, .name = "tx_green_prio_6", }, + { .offset = 0x9D, .name = "tx_green_prio_7", }, + { .offset = 0x9E, .name = "tx_aged", }, + { .offset = 0x100, .name = "drop_local", }, + { .offset = 0x101, .name = "drop_tail", }, + { .offset = 0x102, .name = "drop_yellow_prio_0", }, + { .offset = 0x103, .name = "drop_yellow_prio_1", }, + { .offset = 0x104, .name = "drop_yellow_prio_2", }, + { .offset = 0x105, .name = "drop_yellow_prio_3", }, + { .offset = 0x106, .name = "drop_yellow_prio_4", }, + { .offset = 0x107, .name = "drop_yellow_prio_5", }, + { .offset = 0x108, .name = "drop_yellow_prio_6", }, + { .offset = 0x109, .name = "drop_yellow_prio_7", }, + { .offset = 0x10A, .name = "drop_green_prio_0", }, + { .offset = 0x10B, .name = "drop_green_prio_1", }, + { .offset = 0x10C, .name = "drop_green_prio_2", }, + { .offset = 0x10D, .name = "drop_green_prio_3", }, + { .offset = 0x10E, .name = "drop_green_prio_4", }, + { .offset = 0x10F, .name = "drop_green_prio_5", }, + { .offset = 0x110, .name = "drop_green_prio_6", }, + { .offset = 0x111, .name = "drop_green_prio_7", }, +}; + +#define VSC9959_INIT_TIMEOUT 50000 +#define VSC9959_GCB_RST_SLEEP 100 +#define VSC9959_SYS_RAMINIT_SLEEP 80 + +static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot) +{ + int val; + + regmap_field_read(ocelot->regfields[GCB_SOFT_RST_SWC_RST], &val); + + return val; +} + +static int vsc9959_sys_ram_init_status(struct ocelot *ocelot) +{ + return ocelot_read(ocelot, SYS_RAM_INIT); +} + +static int vsc9959_reset(struct ocelot *ocelot) +{ + int val, err; + + /* soft-reset the switch core */ + regmap_field_write(ocelot->regfields[GCB_SOFT_RST_SWC_RST], 1); + + err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val, + VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT); + if (err) { + dev_err(ocelot->dev, "timeout: switch core reset\n"); + return err; + } + + /* initialize switch mem ~40us */ + ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT); + err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val, + VSC9959_SYS_RAMINIT_SLEEP, + VSC9959_INIT_TIMEOUT); + if (err) { + dev_err(ocelot->dev, "timeout: switch sram init\n"); + return err; + } + + /* enable switch core */ + regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); + + return 0; +} + +static const struct ocelot_ops vsc9959_ops = { + .reset = vsc9959_reset, +}; + +struct felix_info felix_info_vsc9959 = { + .target_io_res = vsc9959_target_io_res, + .port_io_res = vsc9959_port_io_res, + .regfields = vsc9959_regfields, + .map = vsc9959_regmap, + .ops = &vsc9959_ops, + .stats_layout = vsc9959_stats_layout, + .num_stats = ARRAY_SIZE(vsc9959_stats_layout), + .shared_queue_sz = 128 * 1024, + .num_ports = 6, + .pci_bar = 4, +}; diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 3e7a2796c37d..90c46ba763d7 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -21,7 +21,6 @@ #include #include #include -#include #include "ocelot.h" #include "ocelot_ace.h" @@ -184,8 +183,8 @@ static void ocelot_vlan_mode(struct ocelot *ocelot, int port, ocelot_write(ocelot, val, ANA_VLANMASK); } -static void ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, - bool vlan_aware) +void ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, + bool vlan_aware) { struct ocelot_port *ocelot_port = ocelot->ports[port]; u32 val; @@ -230,6 +229,7 @@ static void ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, REW_TAG_CFG_TAG_CFG_M, REW_TAG_CFG, port); } +EXPORT_SYMBOL(ocelot_port_vlan_filtering); static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port, u16 vid) @@ -267,8 +267,8 @@ static void ocelot_port_set_pvid(struct ocelot *ocelot, int port, u16 pvid) ocelot_port->pvid = pvid; } -static int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid, - bool untagged) +int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid, + bool untagged) { int ret; @@ -291,6 +291,7 @@ static int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid, return 0; } +EXPORT_SYMBOL(ocelot_vlan_add); static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid, bool untagged) @@ -312,7 +313,7 @@ static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid, return 0; } -static int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid) +int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid) { struct ocelot_port *ocelot_port = ocelot->ports[port]; int ret; @@ -333,6 +334,7 @@ static int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid) return 0; } +EXPORT_SYMBOL(ocelot_vlan_del); static int ocelot_vlan_vid_del(struct net_device *dev, u16 vid) { @@ -404,11 +406,11 @@ static u16 ocelot_wm_enc(u16 value) return value; } -static void ocelot_adjust_link(struct ocelot *ocelot, int port, - struct phy_device *phydev) +void ocelot_adjust_link(struct ocelot *ocelot, int port, + struct phy_device *phydev) { struct ocelot_port *ocelot_port = ocelot->ports[port]; - int speed, atop_wm, mode = 0; + int speed, mode = 0; switch (phydev->speed) { case SPEED_10: @@ -440,46 +442,8 @@ static void ocelot_adjust_link(struct ocelot *ocelot, int port, ocelot_port_writel(ocelot_port, DEV_MAC_MODE_CFG_FDX_ENA | mode, DEV_MAC_MODE_CFG); - /* Set MAC IFG Gaps - * FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 0 - * !FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 5 - */ - ocelot_port_writel(ocelot_port, DEV_MAC_IFG_CFG_TX_IFG(5), - DEV_MAC_IFG_CFG); - - /* Load seed (0) and set MAC HDX late collision */ - ocelot_port_writel(ocelot_port, DEV_MAC_HDX_CFG_LATE_COL_POS(67) | - DEV_MAC_HDX_CFG_SEED_LOAD, - DEV_MAC_HDX_CFG); - mdelay(1); - ocelot_port_writel(ocelot_port, DEV_MAC_HDX_CFG_LATE_COL_POS(67), - DEV_MAC_HDX_CFG); - - /* Disable HDX fast control */ - ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS, - DEV_PORT_MISC); - - /* SGMII only for now */ - ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA, - PCS1G_MODE_CFG); - ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG); - - /* Enable PCS */ - ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG); - - /* No aneg on SGMII */ - ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG); - - /* No loopback */ - ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG); - - /* Set Max Length and maximum tags allowed */ - ocelot_port_writel(ocelot_port, VLAN_ETH_FRAME_LEN, - DEV_MAC_MAXLEN_CFG); - ocelot_port_writel(ocelot_port, DEV_MAC_TAGS_CFG_TAG_ID(ETH_P_8021AD) | - DEV_MAC_TAGS_CFG_VLAN_AWR_ENA | - DEV_MAC_TAGS_CFG_VLAN_LEN_AWR_ENA, - DEV_MAC_TAGS_CFG); + if (ocelot->ops->pcs_init) + ocelot->ops->pcs_init(ocelot, port); /* Enable MAC module */ ocelot_port_writel(ocelot_port, DEV_MAC_ENA_CFG_RX_ENA | @@ -490,22 +454,10 @@ static void ocelot_adjust_link(struct ocelot *ocelot, int port, ocelot_port_writel(ocelot_port, DEV_CLOCK_CFG_LINK_SPEED(speed), DEV_CLOCK_CFG); - /* Set SMAC of Pause frame (00:00:00:00:00:00) */ - ocelot_port_writel(ocelot_port, 0, DEV_MAC_FC_MAC_HIGH_CFG); - ocelot_port_writel(ocelot_port, 0, DEV_MAC_FC_MAC_LOW_CFG); - /* No PFC */ ocelot_write_gix(ocelot, ANA_PFC_PFC_CFG_FC_LINK_SPEED(speed), ANA_PFC_PFC_CFG, port); - /* Set Pause WM hysteresis - * 152 = 6 * VLAN_ETH_FRAME_LEN / OCELOT_BUFFER_CELL_SZ - * 101 = 4 * VLAN_ETH_FRAME_LEN / OCELOT_BUFFER_CELL_SZ - */ - ocelot_write_rix(ocelot, SYS_PAUSE_CFG_PAUSE_ENA | - SYS_PAUSE_CFG_PAUSE_STOP(101) | - SYS_PAUSE_CFG_PAUSE_START(152), SYS_PAUSE_CFG, port); - /* Core: Enable port for frame transfer */ ocelot_write_rix(ocelot, QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE | QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG(1) | @@ -520,13 +472,8 @@ static void ocelot_adjust_link(struct ocelot *ocelot, int port, SYS_MAC_FC_CFG_FC_LINK_SPEED(speed), SYS_MAC_FC_CFG, port); ocelot_write_rix(ocelot, 0, ANA_POL_FLOWC, port); - - /* Tail dropping watermark */ - atop_wm = (ocelot->shared_queue_sz - 9 * VLAN_ETH_FRAME_LEN) / OCELOT_BUFFER_CELL_SZ; - ocelot_write_rix(ocelot, ocelot_wm_enc(9 * VLAN_ETH_FRAME_LEN), - SYS_ATOP, port); - ocelot_write(ocelot, ocelot_wm_enc(atop_wm), SYS_ATOP_TOT_CFG); } +EXPORT_SYMBOL(ocelot_adjust_link); static void ocelot_port_adjust_link(struct net_device *dev) { @@ -537,8 +484,8 @@ static void ocelot_port_adjust_link(struct net_device *dev) ocelot_adjust_link(ocelot, port, dev->phydev); } -static void ocelot_port_enable(struct ocelot *ocelot, int port, - struct phy_device *phy) +void ocelot_port_enable(struct ocelot *ocelot, int port, + struct phy_device *phy) { /* Enable receiving frames on the port, and activate auto-learning of * MAC addresses. @@ -548,6 +495,7 @@ static void ocelot_port_enable(struct ocelot *ocelot, int port, ANA_PORT_PORT_CFG_PORTID_VAL(port), ANA_PORT_PORT_CFG, port); } +EXPORT_SYMBOL(ocelot_port_enable); static int ocelot_port_open(struct net_device *dev) { @@ -582,7 +530,7 @@ static int ocelot_port_open(struct net_device *dev) return 0; } -static void ocelot_port_disable(struct ocelot *ocelot, int port) +void ocelot_port_disable(struct ocelot *ocelot, int port) { struct ocelot_port *ocelot_port = ocelot->ports[port]; @@ -590,6 +538,7 @@ static void ocelot_port_disable(struct ocelot *ocelot, int port) ocelot_rmw_rix(ocelot, 0, QSYS_SWITCH_PORT_MODE_PORT_ENA, QSYS_SWITCH_PORT_MODE, port); } +EXPORT_SYMBOL(ocelot_port_disable); static int ocelot_port_stop(struct net_device *dev) { @@ -632,11 +581,11 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) struct skb_shared_info *shinfo = skb_shinfo(skb); struct ocelot_port *ocelot_port = &priv->port; struct ocelot *ocelot = ocelot_port->ocelot; + u32 val, ifh[OCELOT_TAG_LEN / 4]; struct frame_info info = {}; u8 grp = 0; /* Send everything on CPU group 0 */ unsigned int i, count, last; int port = priv->chip_port; - u32 val, ifh[IFH_LEN]; val = ocelot_read(ocelot, QS_INJ_STATUS); if (!(val & QS_INJ_STATUS_FIFO_RDY(BIT(grp))) || @@ -659,7 +608,7 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) ocelot_gen_ifh(ifh, &info); - for (i = 0; i < IFH_LEN; i++) + for (i = 0; i < OCELOT_TAG_LEN / 4; i++) ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]), QS_INJ_WR, grp); @@ -846,9 +795,8 @@ static void ocelot_get_stats64(struct net_device *dev, stats->collisions = ocelot_read(ocelot, SYS_COUNT_TX_COLLISION); } -static int ocelot_fdb_add(struct ocelot *ocelot, int port, - const unsigned char *addr, u16 vid, - bool vlan_aware) +int ocelot_fdb_add(struct ocelot *ocelot, int port, + const unsigned char *addr, u16 vid, bool vlan_aware) { struct ocelot_port *ocelot_port = ocelot->ports[port]; @@ -868,6 +816,7 @@ static int ocelot_fdb_add(struct ocelot *ocelot, int port, return ocelot_mact_learn(ocelot, port, addr, vid, ENTRYTYPE_LOCKED); } +EXPORT_SYMBOL(ocelot_fdb_add); static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, @@ -882,11 +831,12 @@ static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], return ocelot_fdb_add(ocelot, port, addr, vid, priv->vlan_aware); } -static int ocelot_fdb_del(struct ocelot *ocelot, int port, - const unsigned char *addr, u16 vid) +int ocelot_fdb_del(struct ocelot *ocelot, int port, + const unsigned char *addr, u16 vid) { return ocelot_mact_forget(ocelot, addr, vid); } +EXPORT_SYMBOL(ocelot_fdb_del); static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, @@ -996,8 +946,8 @@ static int ocelot_mact_read(struct ocelot *ocelot, int port, int row, int col, return 0; } -static int ocelot_fdb_dump(struct ocelot *ocelot, int port, - dsa_fdb_dump_cb_t *cb, void *data) +int ocelot_fdb_dump(struct ocelot *ocelot, int port, + dsa_fdb_dump_cb_t *cb, void *data) { int i, j; @@ -1029,6 +979,7 @@ static int ocelot_fdb_dump(struct ocelot *ocelot, int port, return 0; } +EXPORT_SYMBOL(ocelot_fdb_dump); static int ocelot_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, @@ -1209,8 +1160,7 @@ static const struct net_device_ops ocelot_port_netdev_ops = { .ndo_do_ioctl = ocelot_ioctl, }; -static void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, - u8 *data) +void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, u8 *data) { int i; @@ -1221,6 +1171,7 @@ static void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, memcpy(data + i * ETH_GSTRING_LEN, ocelot->stats_layout[i].name, ETH_GSTRING_LEN); } +EXPORT_SYMBOL(ocelot_get_strings); static void ocelot_port_get_strings(struct net_device *netdev, u32 sset, u8 *data) @@ -1272,7 +1223,7 @@ static void ocelot_check_stats_work(struct work_struct *work) OCELOT_STATS_CHECK_DELAY); } -static void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data) +void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data) { int i; @@ -1283,6 +1234,7 @@ static void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data) for (i = 0; i < ocelot->num_stats; i++) *data++ = ocelot->stats[port * ocelot->num_stats + i]; } +EXPORT_SYMBOL(ocelot_get_ethtool_stats); static void ocelot_port_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, @@ -1295,13 +1247,14 @@ static void ocelot_port_get_ethtool_stats(struct net_device *dev, ocelot_get_ethtool_stats(ocelot, port, data); } -static int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset) +int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset) { if (sset != ETH_SS_STATS) return -EOPNOTSUPP; return ocelot->num_stats; } +EXPORT_SYMBOL(ocelot_get_sset_count); static int ocelot_port_get_sset_count(struct net_device *dev, int sset) { @@ -1312,8 +1265,8 @@ static int ocelot_port_get_sset_count(struct net_device *dev, int sset) return ocelot_get_sset_count(ocelot, port, sset); } -static int ocelot_get_ts_info(struct ocelot *ocelot, int port, - struct ethtool_ts_info *info) +int ocelot_get_ts_info(struct ocelot *ocelot, int port, + struct ethtool_ts_info *info) { info->phc_index = ocelot->ptp_clock ? ptp_clock_index(ocelot->ptp_clock) : -1; @@ -1329,6 +1282,7 @@ static int ocelot_get_ts_info(struct ocelot *ocelot, int port, return 0; } +EXPORT_SYMBOL(ocelot_get_ts_info); static int ocelot_port_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) @@ -1352,8 +1306,7 @@ static const struct ethtool_ops ocelot_ethtool_ops = { .get_ts_info = ocelot_port_get_ts_info, }; -static void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, - u8 state) +void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, u8 state) { u32 port_cfg; int p, i; @@ -1414,6 +1367,7 @@ static void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, } } } +EXPORT_SYMBOL(ocelot_bridge_stp_state_set); static void ocelot_port_attr_stp_state_set(struct ocelot *ocelot, int port, struct switchdev_trans *trans, @@ -1425,11 +1379,12 @@ static void ocelot_port_attr_stp_state_set(struct ocelot *ocelot, int port, ocelot_bridge_stp_state_set(ocelot, port, state); } -static void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs) +void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs) { ocelot_write(ocelot, ANA_AUTOAGE_AGE_PERIOD(msecs / 2), ANA_AUTOAGE); } +EXPORT_SYMBOL(ocelot_set_ageing_time); static void ocelot_port_attr_ageing_set(struct ocelot *ocelot, int port, unsigned long ageing_clock_t) @@ -1660,8 +1615,8 @@ static int ocelot_port_obj_del(struct net_device *dev, return ret; } -static int ocelot_port_bridge_join(struct ocelot *ocelot, int port, - struct net_device *bridge) +int ocelot_port_bridge_join(struct ocelot *ocelot, int port, + struct net_device *bridge) { if (!ocelot->bridge_mask) { ocelot->hw_bridge_dev = bridge; @@ -1676,9 +1631,10 @@ static int ocelot_port_bridge_join(struct ocelot *ocelot, int port, return 0; } +EXPORT_SYMBOL(ocelot_port_bridge_join); -static int ocelot_port_bridge_leave(struct ocelot *ocelot, int port, - struct net_device *bridge) +int ocelot_port_bridge_leave(struct ocelot *ocelot, int port, + struct net_device *bridge) { ocelot->bridge_mask &= ~BIT(port); @@ -1689,6 +1645,7 @@ static int ocelot_port_bridge_leave(struct ocelot *ocelot, int port, ocelot_port_set_pvid(ocelot, port, 0); return ocelot_port_set_native_vlan(ocelot, port, 0); } +EXPORT_SYMBOL(ocelot_port_bridge_leave); static void ocelot_set_aggr_pgids(struct ocelot *ocelot) { @@ -2153,7 +2110,29 @@ static int ocelot_init_timestamp(struct ocelot *ocelot) return 0; } -static void ocelot_init_port(struct ocelot *ocelot, int port) +static void ocelot_port_set_mtu(struct ocelot *ocelot, int port, size_t mtu) +{ + struct ocelot_port *ocelot_port = ocelot->ports[port]; + int atop_wm; + + ocelot_port_writel(ocelot_port, mtu, DEV_MAC_MAXLEN_CFG); + + /* Set Pause WM hysteresis + * 152 = 6 * mtu / OCELOT_BUFFER_CELL_SZ + * 101 = 4 * mtu / OCELOT_BUFFER_CELL_SZ + */ + ocelot_write_rix(ocelot, SYS_PAUSE_CFG_PAUSE_ENA | + SYS_PAUSE_CFG_PAUSE_STOP(101) | + SYS_PAUSE_CFG_PAUSE_START(152), SYS_PAUSE_CFG, port); + + /* Tail dropping watermark */ + atop_wm = (ocelot->shared_queue_sz - 9 * mtu) / OCELOT_BUFFER_CELL_SZ; + ocelot_write_rix(ocelot, ocelot_wm_enc(9 * mtu), + SYS_ATOP, port); + ocelot_write(ocelot, ocelot_wm_enc(atop_wm), SYS_ATOP_TOT_CFG); +} + +void ocelot_init_port(struct ocelot *ocelot, int port) { struct ocelot_port *ocelot_port = ocelot->ports[port]; @@ -2161,6 +2140,32 @@ static void ocelot_init_port(struct ocelot *ocelot, int port) /* Basic L2 initialization */ + /* Set MAC IFG Gaps + * FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 0 + * !FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 5 + */ + ocelot_port_writel(ocelot_port, DEV_MAC_IFG_CFG_TX_IFG(5), + DEV_MAC_IFG_CFG); + + /* Load seed (0) and set MAC HDX late collision */ + ocelot_port_writel(ocelot_port, DEV_MAC_HDX_CFG_LATE_COL_POS(67) | + DEV_MAC_HDX_CFG_SEED_LOAD, + DEV_MAC_HDX_CFG); + mdelay(1); + ocelot_port_writel(ocelot_port, DEV_MAC_HDX_CFG_LATE_COL_POS(67), + DEV_MAC_HDX_CFG); + + /* Set Max Length and maximum tags allowed */ + ocelot_port_set_mtu(ocelot, port, VLAN_ETH_FRAME_LEN); + ocelot_port_writel(ocelot_port, DEV_MAC_TAGS_CFG_TAG_ID(ETH_P_8021AD) | + DEV_MAC_TAGS_CFG_VLAN_AWR_ENA | + DEV_MAC_TAGS_CFG_VLAN_LEN_AWR_ENA, + DEV_MAC_TAGS_CFG); + + /* Set SMAC of Pause frame (00:00:00:00:00:00) */ + ocelot_port_writel(ocelot_port, 0, DEV_MAC_FC_MAC_HIGH_CFG); + ocelot_port_writel(ocelot_port, 0, DEV_MAC_FC_MAC_LOW_CFG); + /* Drop frames with multicast source address */ ocelot_rmw_gix(ocelot, ANA_PORT_DROP_CFG_DROP_MC_SMAC_ENA, ANA_PORT_DROP_CFG_DROP_MC_SMAC_ENA, @@ -2174,6 +2179,7 @@ static void ocelot_init_port(struct ocelot *ocelot, int port) /* Enable vcap lookups */ ocelot_vcap_enable(ocelot, port); } +EXPORT_SYMBOL(ocelot_init_port); int ocelot_probe_port(struct ocelot *ocelot, u8 port, void __iomem *regs, @@ -2238,9 +2244,18 @@ void ocelot_set_cpu_port(struct ocelot *ocelot, int cpu, * Only one port can be an NPI at the same time. */ if (cpu < ocelot->num_phys_ports) { + int mtu = VLAN_ETH_FRAME_LEN + OCELOT_TAG_LEN; + ocelot_write(ocelot, QSYS_EXT_CPU_CFG_EXT_CPUQ_MSK_M | QSYS_EXT_CPU_CFG_EXT_CPU_PORT(cpu), QSYS_EXT_CPU_CFG); + + if (injection == OCELOT_TAG_PREFIX_SHORT) + mtu += OCELOT_SHORT_PREFIX_LEN; + else if (injection == OCELOT_TAG_PREFIX_LONG) + mtu += OCELOT_LONG_PREFIX_LEN; + + ocelot_port_set_mtu(ocelot, cpu, mtu); } /* CPU port Injection/Extraction configuration */ @@ -2268,6 +2283,14 @@ int ocelot_init(struct ocelot *ocelot) int i, ret; u32 port; + if (ocelot->ops->reset) { + ret = ocelot->ops->reset(ocelot); + if (ret) { + dev_err(ocelot->dev, "Switch reset failed\n"); + return ret; + } + } + ocelot->lags = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports, sizeof(u32), GFP_KERNEL); if (!ocelot->lags) diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h index 4d8e769ccad9..32fef4f495aa 100644 --- a/drivers/net/ethernet/mscc/ocelot.h +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -18,11 +18,12 @@ #include #include +#include +#include #include "ocelot_ana.h" #include "ocelot_dev.h" #include "ocelot_qsys.h" #include "ocelot_rew.h" -#include "ocelot_sys.h" #include "ocelot_qs.h" #include "ocelot_tc.h" #include "ocelot_ptp.h" @@ -43,8 +44,6 @@ #define OCELOT_PTP_QUEUE_SZ 128 -#define IFH_LEN 4 - struct frame_info { u32 len; u16 port; @@ -54,372 +53,6 @@ struct frame_info { u32 timestamp; /* rew_val */ }; -#define IFH_INJ_BYPASS BIT(31) -#define IFH_INJ_POP_CNT_DISABLE (3 << 28) - -#define IFH_TAG_TYPE_C 0 -#define IFH_TAG_TYPE_S 1 - -#define IFH_REW_OP_NOOP 0x0 -#define IFH_REW_OP_DSCP 0x1 -#define IFH_REW_OP_ONE_STEP_PTP 0x2 -#define IFH_REW_OP_TWO_STEP_PTP 0x3 -#define IFH_REW_OP_ORIGIN_PTP 0x5 - -#define OCELOT_SPEED_2500 0 -#define OCELOT_SPEED_1000 1 -#define OCELOT_SPEED_100 2 -#define OCELOT_SPEED_10 3 - -#define TARGET_OFFSET 24 -#define REG_MASK GENMASK(TARGET_OFFSET - 1, 0) -#define REG(reg, offset) [reg & REG_MASK] = offset - -enum ocelot_target { - ANA = 1, - QS, - QSYS, - REW, - SYS, - S2, - HSIO, - PTP, - TARGET_MAX, -}; - -enum ocelot_reg { - ANA_ADVLEARN = ANA << TARGET_OFFSET, - ANA_VLANMASK, - ANA_PORT_B_DOMAIN, - ANA_ANAGEFIL, - ANA_ANEVENTS, - ANA_STORMLIMIT_BURST, - ANA_STORMLIMIT_CFG, - ANA_ISOLATED_PORTS, - ANA_COMMUNITY_PORTS, - ANA_AUTOAGE, - ANA_MACTOPTIONS, - ANA_LEARNDISC, - ANA_AGENCTRL, - ANA_MIRRORPORTS, - ANA_EMIRRORPORTS, - ANA_FLOODING, - ANA_FLOODING_IPMC, - ANA_SFLOW_CFG, - ANA_PORT_MODE, - ANA_CUT_THRU_CFG, - ANA_PGID_PGID, - ANA_TABLES_ANMOVED, - ANA_TABLES_MACHDATA, - ANA_TABLES_MACLDATA, - ANA_TABLES_STREAMDATA, - ANA_TABLES_MACACCESS, - ANA_TABLES_MACTINDX, - ANA_TABLES_VLANACCESS, - ANA_TABLES_VLANTIDX, - ANA_TABLES_ISDXACCESS, - ANA_TABLES_ISDXTIDX, - ANA_TABLES_ENTRYLIM, - ANA_TABLES_PTP_ID_HIGH, - ANA_TABLES_PTP_ID_LOW, - ANA_TABLES_STREAMACCESS, - ANA_TABLES_STREAMTIDX, - ANA_TABLES_SEQ_HISTORY, - ANA_TABLES_SEQ_MASK, - ANA_TABLES_SFID_MASK, - ANA_TABLES_SFIDACCESS, - ANA_TABLES_SFIDTIDX, - ANA_MSTI_STATE, - ANA_OAM_UPM_LM_CNT, - ANA_SG_ACCESS_CTRL, - ANA_SG_CONFIG_REG_1, - ANA_SG_CONFIG_REG_2, - ANA_SG_CONFIG_REG_3, - ANA_SG_CONFIG_REG_4, - ANA_SG_CONFIG_REG_5, - ANA_SG_GCL_GS_CONFIG, - ANA_SG_GCL_TI_CONFIG, - ANA_SG_STATUS_REG_1, - ANA_SG_STATUS_REG_2, - ANA_SG_STATUS_REG_3, - ANA_PORT_VLAN_CFG, - ANA_PORT_DROP_CFG, - ANA_PORT_QOS_CFG, - ANA_PORT_VCAP_CFG, - ANA_PORT_VCAP_S1_KEY_CFG, - ANA_PORT_VCAP_S2_CFG, - ANA_PORT_PCP_DEI_MAP, - ANA_PORT_CPU_FWD_CFG, - ANA_PORT_CPU_FWD_BPDU_CFG, - ANA_PORT_CPU_FWD_GARP_CFG, - ANA_PORT_CPU_FWD_CCM_CFG, - ANA_PORT_PORT_CFG, - ANA_PORT_POL_CFG, - ANA_PORT_PTP_CFG, - ANA_PORT_PTP_DLY1_CFG, - ANA_PORT_PTP_DLY2_CFG, - ANA_PORT_SFID_CFG, - ANA_PFC_PFC_CFG, - ANA_PFC_PFC_TIMER, - ANA_IPT_OAM_MEP_CFG, - ANA_IPT_IPT, - ANA_PPT_PPT, - ANA_FID_MAP_FID_MAP, - ANA_AGGR_CFG, - ANA_CPUQ_CFG, - ANA_CPUQ_CFG2, - ANA_CPUQ_8021_CFG, - ANA_DSCP_CFG, - ANA_DSCP_REWR_CFG, - ANA_VCAP_RNG_TYPE_CFG, - ANA_VCAP_RNG_VAL_CFG, - ANA_VRAP_CFG, - ANA_VRAP_HDR_DATA, - ANA_VRAP_HDR_MASK, - ANA_DISCARD_CFG, - ANA_FID_CFG, - ANA_POL_PIR_CFG, - ANA_POL_CIR_CFG, - ANA_POL_MODE_CFG, - ANA_POL_PIR_STATE, - ANA_POL_CIR_STATE, - ANA_POL_STATE, - ANA_POL_FLOWC, - ANA_POL_HYST, - ANA_POL_MISC_CFG, - QS_XTR_GRP_CFG = QS << TARGET_OFFSET, - QS_XTR_RD, - QS_XTR_FRM_PRUNING, - QS_XTR_FLUSH, - QS_XTR_DATA_PRESENT, - QS_XTR_CFG, - QS_INJ_GRP_CFG, - QS_INJ_WR, - QS_INJ_CTRL, - QS_INJ_STATUS, - QS_INJ_ERR, - QS_INH_DBG, - QSYS_PORT_MODE = QSYS << TARGET_OFFSET, - QSYS_SWITCH_PORT_MODE, - QSYS_STAT_CNT_CFG, - QSYS_EEE_CFG, - QSYS_EEE_THRES, - QSYS_IGR_NO_SHARING, - QSYS_EGR_NO_SHARING, - QSYS_SW_STATUS, - QSYS_EXT_CPU_CFG, - QSYS_PAD_CFG, - QSYS_CPU_GROUP_MAP, - QSYS_QMAP, - QSYS_ISDX_SGRP, - QSYS_TIMED_FRAME_ENTRY, - QSYS_TFRM_MISC, - QSYS_TFRM_PORT_DLY, - QSYS_TFRM_TIMER_CFG_1, - QSYS_TFRM_TIMER_CFG_2, - QSYS_TFRM_TIMER_CFG_3, - QSYS_TFRM_TIMER_CFG_4, - QSYS_TFRM_TIMER_CFG_5, - QSYS_TFRM_TIMER_CFG_6, - QSYS_TFRM_TIMER_CFG_7, - QSYS_TFRM_TIMER_CFG_8, - QSYS_RED_PROFILE, - QSYS_RES_QOS_MODE, - QSYS_RES_CFG, - QSYS_RES_STAT, - QSYS_EGR_DROP_MODE, - QSYS_EQ_CTRL, - QSYS_EVENTS_CORE, - QSYS_QMAXSDU_CFG_0, - QSYS_QMAXSDU_CFG_1, - QSYS_QMAXSDU_CFG_2, - QSYS_QMAXSDU_CFG_3, - QSYS_QMAXSDU_CFG_4, - QSYS_QMAXSDU_CFG_5, - QSYS_QMAXSDU_CFG_6, - QSYS_QMAXSDU_CFG_7, - QSYS_PREEMPTION_CFG, - QSYS_CIR_CFG, - QSYS_EIR_CFG, - QSYS_SE_CFG, - QSYS_SE_DWRR_CFG, - QSYS_SE_CONNECT, - QSYS_SE_DLB_SENSE, - QSYS_CIR_STATE, - QSYS_EIR_STATE, - QSYS_SE_STATE, - QSYS_HSCH_MISC_CFG, - QSYS_TAG_CONFIG, - QSYS_TAS_PARAM_CFG_CTRL, - QSYS_PORT_MAX_SDU, - QSYS_PARAM_CFG_REG_1, - QSYS_PARAM_CFG_REG_2, - QSYS_PARAM_CFG_REG_3, - QSYS_PARAM_CFG_REG_4, - QSYS_PARAM_CFG_REG_5, - QSYS_GCL_CFG_REG_1, - QSYS_GCL_CFG_REG_2, - QSYS_PARAM_STATUS_REG_1, - QSYS_PARAM_STATUS_REG_2, - QSYS_PARAM_STATUS_REG_3, - QSYS_PARAM_STATUS_REG_4, - QSYS_PARAM_STATUS_REG_5, - QSYS_PARAM_STATUS_REG_6, - QSYS_PARAM_STATUS_REG_7, - QSYS_PARAM_STATUS_REG_8, - QSYS_PARAM_STATUS_REG_9, - QSYS_GCL_STATUS_REG_1, - QSYS_GCL_STATUS_REG_2, - REW_PORT_VLAN_CFG = REW << TARGET_OFFSET, - REW_TAG_CFG, - REW_PORT_CFG, - REW_DSCP_CFG, - REW_PCP_DEI_QOS_MAP_CFG, - REW_PTP_CFG, - REW_PTP_DLY1_CFG, - REW_RED_TAG_CFG, - REW_DSCP_REMAP_DP1_CFG, - REW_DSCP_REMAP_CFG, - REW_STAT_CFG, - REW_REW_STICKY, - REW_PPT, - SYS_COUNT_RX_OCTETS = SYS << TARGET_OFFSET, - SYS_COUNT_RX_UNICAST, - SYS_COUNT_RX_MULTICAST, - SYS_COUNT_RX_BROADCAST, - SYS_COUNT_RX_SHORTS, - SYS_COUNT_RX_FRAGMENTS, - SYS_COUNT_RX_JABBERS, - SYS_COUNT_RX_CRC_ALIGN_ERRS, - SYS_COUNT_RX_SYM_ERRS, - SYS_COUNT_RX_64, - SYS_COUNT_RX_65_127, - SYS_COUNT_RX_128_255, - SYS_COUNT_RX_256_1023, - SYS_COUNT_RX_1024_1526, - SYS_COUNT_RX_1527_MAX, - SYS_COUNT_RX_PAUSE, - SYS_COUNT_RX_CONTROL, - SYS_COUNT_RX_LONGS, - SYS_COUNT_RX_CLASSIFIED_DROPS, - SYS_COUNT_TX_OCTETS, - SYS_COUNT_TX_UNICAST, - SYS_COUNT_TX_MULTICAST, - SYS_COUNT_TX_BROADCAST, - SYS_COUNT_TX_COLLISION, - SYS_COUNT_TX_DROPS, - SYS_COUNT_TX_PAUSE, - SYS_COUNT_TX_64, - SYS_COUNT_TX_65_127, - SYS_COUNT_TX_128_511, - SYS_COUNT_TX_512_1023, - SYS_COUNT_TX_1024_1526, - SYS_COUNT_TX_1527_MAX, - SYS_COUNT_TX_AGING, - SYS_RESET_CFG, - SYS_SR_ETYPE_CFG, - SYS_VLAN_ETYPE_CFG, - SYS_PORT_MODE, - SYS_FRONT_PORT_MODE, - SYS_FRM_AGING, - SYS_STAT_CFG, - SYS_SW_STATUS, - SYS_MISC_CFG, - SYS_REW_MAC_HIGH_CFG, - SYS_REW_MAC_LOW_CFG, - SYS_TIMESTAMP_OFFSET, - SYS_CMID, - SYS_PAUSE_CFG, - SYS_PAUSE_TOT_CFG, - SYS_ATOP, - SYS_ATOP_TOT_CFG, - SYS_MAC_FC_CFG, - SYS_MMGT, - SYS_MMGT_FAST, - SYS_EVENTS_DIF, - SYS_EVENTS_CORE, - SYS_CNT, - SYS_PTP_STATUS, - SYS_PTP_TXSTAMP, - SYS_PTP_NXT, - SYS_PTP_CFG, - SYS_RAM_INIT, - SYS_CM_ADDR, - SYS_CM_DATA_WR, - SYS_CM_DATA_RD, - SYS_CM_OP, - SYS_CM_DATA, - S2_CORE_UPDATE_CTRL = S2 << TARGET_OFFSET, - S2_CORE_MV_CFG, - S2_CACHE_ENTRY_DAT, - S2_CACHE_MASK_DAT, - S2_CACHE_ACTION_DAT, - S2_CACHE_CNT_DAT, - S2_CACHE_TG_DAT, - PTP_PIN_CFG = PTP << TARGET_OFFSET, - PTP_PIN_TOD_SEC_MSB, - PTP_PIN_TOD_SEC_LSB, - PTP_PIN_TOD_NSEC, - PTP_CFG_MISC, - PTP_CLK_CFG_ADJ_CFG, - PTP_CLK_CFG_ADJ_FREQ, -}; - -enum ocelot_regfield { - ANA_ADVLEARN_VLAN_CHK, - ANA_ADVLEARN_LEARN_MIRROR, - ANA_ANEVENTS_FLOOD_DISCARD, - ANA_ANEVENTS_MSTI_DROP, - ANA_ANEVENTS_ACLKILL, - ANA_ANEVENTS_ACLUSED, - ANA_ANEVENTS_AUTOAGE, - ANA_ANEVENTS_VS2TTL1, - ANA_ANEVENTS_STORM_DROP, - ANA_ANEVENTS_LEARN_DROP, - ANA_ANEVENTS_AGED_ENTRY, - ANA_ANEVENTS_CPU_LEARN_FAILED, - ANA_ANEVENTS_AUTO_LEARN_FAILED, - ANA_ANEVENTS_LEARN_REMOVE, - ANA_ANEVENTS_AUTO_LEARNED, - ANA_ANEVENTS_AUTO_MOVED, - ANA_ANEVENTS_DROPPED, - ANA_ANEVENTS_CLASSIFIED_DROP, - ANA_ANEVENTS_CLASSIFIED_COPY, - ANA_ANEVENTS_VLAN_DISCARD, - ANA_ANEVENTS_FWD_DISCARD, - ANA_ANEVENTS_MULTICAST_FLOOD, - ANA_ANEVENTS_UNICAST_FLOOD, - ANA_ANEVENTS_DEST_KNOWN, - ANA_ANEVENTS_BUCKET3_MATCH, - ANA_ANEVENTS_BUCKET2_MATCH, - ANA_ANEVENTS_BUCKET1_MATCH, - ANA_ANEVENTS_BUCKET0_MATCH, - ANA_ANEVENTS_CPU_OPERATION, - ANA_ANEVENTS_DMAC_LOOKUP, - ANA_ANEVENTS_SMAC_LOOKUP, - ANA_ANEVENTS_SEQ_GEN_ERR_0, - ANA_ANEVENTS_SEQ_GEN_ERR_1, - ANA_TABLES_MACACCESS_B_DOM, - ANA_TABLES_MACTINDX_BUCKET, - ANA_TABLES_MACTINDX_M_INDEX, - QSYS_TIMED_FRAME_ENTRY_TFRM_VLD, - QSYS_TIMED_FRAME_ENTRY_TFRM_FP, - QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO, - QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL, - QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T, - SYS_RESET_CFG_CORE_ENA, - SYS_RESET_CFG_MEM_ENA, - SYS_RESET_CFG_MEM_INIT, - REGFIELD_MAX -}; - -enum ocelot_clk_pins { - ALT_PPS_PIN = 1, - EXT_CLK_PIN, - ALT_LDST_PIN, - TOD_ACC_PIN -}; - struct ocelot_multicast { struct list_head list; unsigned char addr[ETH_ALEN]; @@ -427,81 +60,6 @@ struct ocelot_multicast { u16 ports; }; -enum ocelot_tag_prefix { - OCELOT_TAG_PREFIX_DISABLED = 0, - OCELOT_TAG_PREFIX_NONE, - OCELOT_TAG_PREFIX_SHORT, - OCELOT_TAG_PREFIX_LONG, -}; - -struct ocelot_port; - -struct ocelot_stat_layout { - u32 offset; - char name[ETH_GSTRING_LEN]; -}; - -struct ocelot { - struct device *dev; - - struct regmap *targets[TARGET_MAX]; - struct regmap_field *regfields[REGFIELD_MAX]; - const u32 *const *map; - const struct ocelot_stat_layout *stats_layout; - unsigned int num_stats; - - u8 base_mac[ETH_ALEN]; - - struct net_device *hw_bridge_dev; - u16 bridge_mask; - u16 bridge_fwd_mask; - - struct workqueue_struct *ocelot_owq; - - int shared_queue_sz; - - u8 num_phys_ports; - u8 num_cpu_ports; - u8 cpu; - struct ocelot_port **ports; - - u32 *lags; - - /* Keep track of the vlan port masks */ - u32 vlan_mask[VLAN_N_VID]; - - struct list_head multicast; - - /* Workqueue to check statistics for overflow with its lock */ - struct mutex stats_lock; - u64 *stats; - struct delayed_work stats_work; - struct workqueue_struct *stats_queue; - - u8 ptp:1; - struct ptp_clock *ptp_clock; - struct ptp_clock_info ptp_info; - struct hwtstamp_config hwtstamp_config; - struct mutex ptp_lock; /* Protects the PTP interface state */ - spinlock_t ptp_clock_lock; /* Protects the PTP clock */ -}; - -struct ocelot_port { - struct ocelot *ocelot; - - void __iomem *regs; - - /* Ingress default VLAN (pvid) */ - u16 pvid; - - /* Egress default VLAN (vid) */ - u16 vid; - - u8 ptp_cmd; - struct list_head skbs; - u8 ts_id; -}; - struct ocelot_port_private { struct ocelot_port port; struct net_device *dev; @@ -522,40 +80,13 @@ struct ocelot_skb { u8 id; }; -u32 __ocelot_read_ix(struct ocelot *ocelot, u32 reg, u32 offset); -#define ocelot_read_ix(ocelot, reg, gi, ri) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) -#define ocelot_read_gix(ocelot, reg, gi) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi)) -#define ocelot_read_rix(ocelot, reg, ri) __ocelot_read_ix(ocelot, reg, reg##_RSZ * (ri)) -#define ocelot_read(ocelot, reg) __ocelot_read_ix(ocelot, reg, 0) - -void __ocelot_write_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 offset); -#define ocelot_write_ix(ocelot, val, reg, gi, ri) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) -#define ocelot_write_gix(ocelot, val, reg, gi) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi)) -#define ocelot_write_rix(ocelot, val, reg, ri) __ocelot_write_ix(ocelot, val, reg, reg##_RSZ * (ri)) -#define ocelot_write(ocelot, val, reg) __ocelot_write_ix(ocelot, val, reg, 0) - -void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 mask, u32 reg, - u32 offset); -#define ocelot_rmw_ix(ocelot, val, m, reg, gi, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) -#define ocelot_rmw_gix(ocelot, val, m, reg, gi) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi)) -#define ocelot_rmw_rix(ocelot, val, m, reg, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_RSZ * (ri)) -#define ocelot_rmw(ocelot, val, m, reg) __ocelot_rmw_ix(ocelot, val, m, reg, 0) - u32 ocelot_port_readl(struct ocelot_port *port, u32 reg); void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg); -int ocelot_regfields_init(struct ocelot *ocelot, - const struct reg_field *const regfields); -struct regmap *ocelot_io_platform_init(struct ocelot *ocelot, - struct platform_device *pdev, - const char *name); - #define ocelot_field_write(ocelot, reg, val) regmap_field_write((ocelot)->regfields[(reg)], (val)) #define ocelot_field_read(ocelot, reg, val) regmap_field_read((ocelot)->regfields[(reg)], (val)) -int ocelot_init(struct ocelot *ocelot); -void ocelot_deinit(struct ocelot *ocelot); -int ocelot_chip_init(struct ocelot *ocelot); +int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops); int ocelot_probe_port(struct ocelot *ocelot, u8 port, void __iomem *regs, struct phy_device *phy); @@ -568,7 +99,7 @@ extern struct notifier_block ocelot_netdevice_nb; extern struct notifier_block ocelot_switchdev_nb; extern struct notifier_block ocelot_switchdev_blocking_nb; -int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts); -void ocelot_get_hwtimestamp(struct ocelot *ocelot, struct timespec64 *ts); +#define ocelot_field_write(ocelot, reg, val) regmap_field_write((ocelot)->regfields[(reg)], (val)) +#define ocelot_field_read(ocelot, reg, val) regmap_field_read((ocelot)->regfields[(reg)], (val)) #endif diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c index 811599f32910..5581b3b0165c 100644 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -105,7 +105,7 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg) int sz, len, buf_len; struct sk_buff *skb; - for (i = 0; i < IFH_LEN; i++) { + for (i = 0; i < OCELOT_TAG_LEN / 4; i++) { err = ocelot_rx_frame_word(ocelot, grp, true, &ifh[i]); if (err != 4) break; @@ -254,6 +254,57 @@ static const struct of_device_id mscc_ocelot_match[] = { }; MODULE_DEVICE_TABLE(of, mscc_ocelot_match); +static void ocelot_port_pcs_init(struct ocelot *ocelot, int port) +{ + struct ocelot_port *ocelot_port = ocelot->ports[port]; + + /* Disable HDX fast control */ + ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS, + DEV_PORT_MISC); + + /* SGMII only for now */ + ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA, + PCS1G_MODE_CFG); + ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG); + + /* Enable PCS */ + ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG); + + /* No aneg on SGMII */ + ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG); + + /* No loopback */ + ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG); +} + +static int ocelot_reset(struct ocelot *ocelot) +{ + int retries = 100; + u32 val; + + regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1); + regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); + + do { + msleep(1); + regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], + &val); + } while (val && --retries); + + if (!retries) + return -ETIMEDOUT; + + regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); + regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); + + return 0; +} + +static const struct ocelot_ops ocelot_ops = { + .pcs_init = ocelot_port_pcs_init, + .reset = ocelot_reset, +}; + static int mscc_ocelot_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -262,13 +313,12 @@ static int mscc_ocelot_probe(struct platform_device *pdev) struct ocelot *ocelot; struct regmap *hsio; unsigned int i; - u32 val; struct { enum ocelot_target id; char *name; u8 optional:1; - } res[] = { + } io_target[] = { { SYS, "sys" }, { REW, "rew" }, { QSYS, "qsys" }, @@ -288,20 +338,23 @@ static int mscc_ocelot_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ocelot); ocelot->dev = &pdev->dev; - for (i = 0; i < ARRAY_SIZE(res); i++) { + for (i = 0; i < ARRAY_SIZE(io_target); i++) { struct regmap *target; + struct resource *res; - target = ocelot_io_platform_init(ocelot, pdev, res[i].name); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + io_target[i].name); + + target = ocelot_regmap_init(ocelot, res); if (IS_ERR(target)) { - if (res[i].optional) { - ocelot->targets[res[i].id] = NULL; + if (io_target[i].optional) { + ocelot->targets[io_target[i].id] = NULL; continue; } - return PTR_ERR(target); } - ocelot->targets[res[i].id] = target; + ocelot->targets[io_target[i].id] = target; } hsio = syscon_regmap_lookup_by_compatible("mscc,ocelot-hsio"); @@ -312,7 +365,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev) ocelot->targets[HSIO] = hsio; - err = ocelot_chip_init(ocelot); + err = ocelot_chip_init(ocelot, &ocelot_ops); if (err) return err; @@ -339,18 +392,6 @@ static int mscc_ocelot_probe(struct platform_device *pdev) ocelot->ptp = 1; } - regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1); - regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); - - do { - msleep(1); - regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], - &val); - } while (val); - - regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); - regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); - ocelot->num_cpu_ports = 1; /* 1 port on the switch, two groups */ ports = of_get_child_by_name(np, "ethernet-ports"); diff --git a/drivers/net/ethernet/mscc/ocelot_io.c b/drivers/net/ethernet/mscc/ocelot_io.c index c6db8ad31fdf..b229b1cb68ef 100644 --- a/drivers/net/ethernet/mscc/ocelot_io.c +++ b/drivers/net/ethernet/mscc/ocelot_io.c @@ -97,20 +97,16 @@ static struct regmap_config ocelot_regmap_config = { .reg_stride = 4, }; -struct regmap *ocelot_io_platform_init(struct ocelot *ocelot, - struct platform_device *pdev, - const char *name) +struct regmap *ocelot_regmap_init(struct ocelot *ocelot, struct resource *res) { - struct resource *res; void __iomem *regs; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); regs = devm_ioremap_resource(ocelot->dev, res); if (IS_ERR(regs)) return ERR_CAST(regs); - ocelot_regmap_config.name = name; - return devm_regmap_init_mmio(ocelot->dev, regs, - &ocelot_regmap_config); + ocelot_regmap_config.name = res->name; + + return devm_regmap_init_mmio(ocelot->dev, regs, &ocelot_regmap_config); } -EXPORT_SYMBOL(ocelot_io_platform_init); +EXPORT_SYMBOL(ocelot_regmap_init); diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c index e59977d20400..b88b5899b227 100644 --- a/drivers/net/ethernet/mscc/ocelot_regs.c +++ b/drivers/net/ethernet/mscc/ocelot_regs.c @@ -423,7 +423,7 @@ static void ocelot_pll5_init(struct ocelot *ocelot) HSIO_PLL5G_CFG2_AMPC_SEL(0x10)); } -int ocelot_chip_init(struct ocelot *ocelot) +int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops) { int ret; @@ -431,6 +431,7 @@ int ocelot_chip_init(struct ocelot *ocelot) ocelot->stats_layout = ocelot_stats_layout; ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout); ocelot->shared_queue_sz = 224 * 1024; + ocelot->ops = ops; ret = ocelot_regfields_init(ocelot, ocelot_regfields); if (ret) diff --git a/include/net/dsa.h b/include/net/dsa.h index 9507611a41f0..6767dc3f66c0 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -42,6 +42,7 @@ struct phylink_link_state; #define DSA_TAG_PROTO_8021Q_VALUE 12 #define DSA_TAG_PROTO_SJA1105_VALUE 13 #define DSA_TAG_PROTO_KSZ8795_VALUE 14 +#define DSA_TAG_PROTO_OCELOT_VALUE 15 enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, @@ -59,6 +60,7 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, + DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, }; struct packet_type; diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h new file mode 100644 index 000000000000..a836afe8f68e --- /dev/null +++ b/include/soc/mscc/ocelot.h @@ -0,0 +1,539 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* Copyright (c) 2017 Microsemi Corporation + */ + +#ifndef _SOC_MSCC_OCELOT_H +#define _SOC_MSCC_OCELOT_H + +#include +#include +#include +#include +#include + +#define IFH_INJ_BYPASS BIT(31) +#define IFH_INJ_POP_CNT_DISABLE (3 << 28) + +#define IFH_TAG_TYPE_C 0 +#define IFH_TAG_TYPE_S 1 + +#define IFH_REW_OP_NOOP 0x0 +#define IFH_REW_OP_DSCP 0x1 +#define IFH_REW_OP_ONE_STEP_PTP 0x2 +#define IFH_REW_OP_TWO_STEP_PTP 0x3 +#define IFH_REW_OP_ORIGIN_PTP 0x5 + +#define OCELOT_TAG_LEN 16 +#define OCELOT_SHORT_PREFIX_LEN 4 +#define OCELOT_LONG_PREFIX_LEN 16 + +#define OCELOT_SPEED_2500 0 +#define OCELOT_SPEED_1000 1 +#define OCELOT_SPEED_100 2 +#define OCELOT_SPEED_10 3 + +#define TARGET_OFFSET 24 +#define REG_MASK GENMASK(TARGET_OFFSET - 1, 0) +#define REG(reg, offset) [reg & REG_MASK] = offset + +#define REG_RESERVED_ADDR 0xffffffff +#define REG_RESERVED(reg) REG(reg, REG_RESERVED_ADDR) + +enum ocelot_target { + ANA = 1, + QS, + QSYS, + REW, + SYS, + S2, + HSIO, + PTP, + GCB, + TARGET_MAX, +}; + +enum ocelot_reg { + ANA_ADVLEARN = ANA << TARGET_OFFSET, + ANA_VLANMASK, + ANA_PORT_B_DOMAIN, + ANA_ANAGEFIL, + ANA_ANEVENTS, + ANA_STORMLIMIT_BURST, + ANA_STORMLIMIT_CFG, + ANA_ISOLATED_PORTS, + ANA_COMMUNITY_PORTS, + ANA_AUTOAGE, + ANA_MACTOPTIONS, + ANA_LEARNDISC, + ANA_AGENCTRL, + ANA_MIRRORPORTS, + ANA_EMIRRORPORTS, + ANA_FLOODING, + ANA_FLOODING_IPMC, + ANA_SFLOW_CFG, + ANA_PORT_MODE, + ANA_CUT_THRU_CFG, + ANA_PGID_PGID, + ANA_TABLES_ANMOVED, + ANA_TABLES_MACHDATA, + ANA_TABLES_MACLDATA, + ANA_TABLES_STREAMDATA, + ANA_TABLES_MACACCESS, + ANA_TABLES_MACTINDX, + ANA_TABLES_VLANACCESS, + ANA_TABLES_VLANTIDX, + ANA_TABLES_ISDXACCESS, + ANA_TABLES_ISDXTIDX, + ANA_TABLES_ENTRYLIM, + ANA_TABLES_PTP_ID_HIGH, + ANA_TABLES_PTP_ID_LOW, + ANA_TABLES_STREAMACCESS, + ANA_TABLES_STREAMTIDX, + ANA_TABLES_SEQ_HISTORY, + ANA_TABLES_SEQ_MASK, + ANA_TABLES_SFID_MASK, + ANA_TABLES_SFIDACCESS, + ANA_TABLES_SFIDTIDX, + ANA_MSTI_STATE, + ANA_OAM_UPM_LM_CNT, + ANA_SG_ACCESS_CTRL, + ANA_SG_CONFIG_REG_1, + ANA_SG_CONFIG_REG_2, + ANA_SG_CONFIG_REG_3, + ANA_SG_CONFIG_REG_4, + ANA_SG_CONFIG_REG_5, + ANA_SG_GCL_GS_CONFIG, + ANA_SG_GCL_TI_CONFIG, + ANA_SG_STATUS_REG_1, + ANA_SG_STATUS_REG_2, + ANA_SG_STATUS_REG_3, + ANA_PORT_VLAN_CFG, + ANA_PORT_DROP_CFG, + ANA_PORT_QOS_CFG, + ANA_PORT_VCAP_CFG, + ANA_PORT_VCAP_S1_KEY_CFG, + ANA_PORT_VCAP_S2_CFG, + ANA_PORT_PCP_DEI_MAP, + ANA_PORT_CPU_FWD_CFG, + ANA_PORT_CPU_FWD_BPDU_CFG, + ANA_PORT_CPU_FWD_GARP_CFG, + ANA_PORT_CPU_FWD_CCM_CFG, + ANA_PORT_PORT_CFG, + ANA_PORT_POL_CFG, + ANA_PORT_PTP_CFG, + ANA_PORT_PTP_DLY1_CFG, + ANA_PORT_PTP_DLY2_CFG, + ANA_PORT_SFID_CFG, + ANA_PFC_PFC_CFG, + ANA_PFC_PFC_TIMER, + ANA_IPT_OAM_MEP_CFG, + ANA_IPT_IPT, + ANA_PPT_PPT, + ANA_FID_MAP_FID_MAP, + ANA_AGGR_CFG, + ANA_CPUQ_CFG, + ANA_CPUQ_CFG2, + ANA_CPUQ_8021_CFG, + ANA_DSCP_CFG, + ANA_DSCP_REWR_CFG, + ANA_VCAP_RNG_TYPE_CFG, + ANA_VCAP_RNG_VAL_CFG, + ANA_VRAP_CFG, + ANA_VRAP_HDR_DATA, + ANA_VRAP_HDR_MASK, + ANA_DISCARD_CFG, + ANA_FID_CFG, + ANA_POL_PIR_CFG, + ANA_POL_CIR_CFG, + ANA_POL_MODE_CFG, + ANA_POL_PIR_STATE, + ANA_POL_CIR_STATE, + ANA_POL_STATE, + ANA_POL_FLOWC, + ANA_POL_HYST, + ANA_POL_MISC_CFG, + QS_XTR_GRP_CFG = QS << TARGET_OFFSET, + QS_XTR_RD, + QS_XTR_FRM_PRUNING, + QS_XTR_FLUSH, + QS_XTR_DATA_PRESENT, + QS_XTR_CFG, + QS_INJ_GRP_CFG, + QS_INJ_WR, + QS_INJ_CTRL, + QS_INJ_STATUS, + QS_INJ_ERR, + QS_INH_DBG, + QSYS_PORT_MODE = QSYS << TARGET_OFFSET, + QSYS_SWITCH_PORT_MODE, + QSYS_STAT_CNT_CFG, + QSYS_EEE_CFG, + QSYS_EEE_THRES, + QSYS_IGR_NO_SHARING, + QSYS_EGR_NO_SHARING, + QSYS_SW_STATUS, + QSYS_EXT_CPU_CFG, + QSYS_PAD_CFG, + QSYS_CPU_GROUP_MAP, + QSYS_QMAP, + QSYS_ISDX_SGRP, + QSYS_TIMED_FRAME_ENTRY, + QSYS_TFRM_MISC, + QSYS_TFRM_PORT_DLY, + QSYS_TFRM_TIMER_CFG_1, + QSYS_TFRM_TIMER_CFG_2, + QSYS_TFRM_TIMER_CFG_3, + QSYS_TFRM_TIMER_CFG_4, + QSYS_TFRM_TIMER_CFG_5, + QSYS_TFRM_TIMER_CFG_6, + QSYS_TFRM_TIMER_CFG_7, + QSYS_TFRM_TIMER_CFG_8, + QSYS_RED_PROFILE, + QSYS_RES_QOS_MODE, + QSYS_RES_CFG, + QSYS_RES_STAT, + QSYS_EGR_DROP_MODE, + QSYS_EQ_CTRL, + QSYS_EVENTS_CORE, + QSYS_QMAXSDU_CFG_0, + QSYS_QMAXSDU_CFG_1, + QSYS_QMAXSDU_CFG_2, + QSYS_QMAXSDU_CFG_3, + QSYS_QMAXSDU_CFG_4, + QSYS_QMAXSDU_CFG_5, + QSYS_QMAXSDU_CFG_6, + QSYS_QMAXSDU_CFG_7, + QSYS_PREEMPTION_CFG, + QSYS_CIR_CFG, + QSYS_EIR_CFG, + QSYS_SE_CFG, + QSYS_SE_DWRR_CFG, + QSYS_SE_CONNECT, + QSYS_SE_DLB_SENSE, + QSYS_CIR_STATE, + QSYS_EIR_STATE, + QSYS_SE_STATE, + QSYS_HSCH_MISC_CFG, + QSYS_TAG_CONFIG, + QSYS_TAS_PARAM_CFG_CTRL, + QSYS_PORT_MAX_SDU, + QSYS_PARAM_CFG_REG_1, + QSYS_PARAM_CFG_REG_2, + QSYS_PARAM_CFG_REG_3, + QSYS_PARAM_CFG_REG_4, + QSYS_PARAM_CFG_REG_5, + QSYS_GCL_CFG_REG_1, + QSYS_GCL_CFG_REG_2, + QSYS_PARAM_STATUS_REG_1, + QSYS_PARAM_STATUS_REG_2, + QSYS_PARAM_STATUS_REG_3, + QSYS_PARAM_STATUS_REG_4, + QSYS_PARAM_STATUS_REG_5, + QSYS_PARAM_STATUS_REG_6, + QSYS_PARAM_STATUS_REG_7, + QSYS_PARAM_STATUS_REG_8, + QSYS_PARAM_STATUS_REG_9, + QSYS_GCL_STATUS_REG_1, + QSYS_GCL_STATUS_REG_2, + REW_PORT_VLAN_CFG = REW << TARGET_OFFSET, + REW_TAG_CFG, + REW_PORT_CFG, + REW_DSCP_CFG, + REW_PCP_DEI_QOS_MAP_CFG, + REW_PTP_CFG, + REW_PTP_DLY1_CFG, + REW_RED_TAG_CFG, + REW_DSCP_REMAP_DP1_CFG, + REW_DSCP_REMAP_CFG, + REW_STAT_CFG, + REW_REW_STICKY, + REW_PPT, + SYS_COUNT_RX_OCTETS = SYS << TARGET_OFFSET, + SYS_COUNT_RX_UNICAST, + SYS_COUNT_RX_MULTICAST, + SYS_COUNT_RX_BROADCAST, + SYS_COUNT_RX_SHORTS, + SYS_COUNT_RX_FRAGMENTS, + SYS_COUNT_RX_JABBERS, + SYS_COUNT_RX_CRC_ALIGN_ERRS, + SYS_COUNT_RX_SYM_ERRS, + SYS_COUNT_RX_64, + SYS_COUNT_RX_65_127, + SYS_COUNT_RX_128_255, + SYS_COUNT_RX_256_1023, + SYS_COUNT_RX_1024_1526, + SYS_COUNT_RX_1527_MAX, + SYS_COUNT_RX_PAUSE, + SYS_COUNT_RX_CONTROL, + SYS_COUNT_RX_LONGS, + SYS_COUNT_RX_CLASSIFIED_DROPS, + SYS_COUNT_TX_OCTETS, + SYS_COUNT_TX_UNICAST, + SYS_COUNT_TX_MULTICAST, + SYS_COUNT_TX_BROADCAST, + SYS_COUNT_TX_COLLISION, + SYS_COUNT_TX_DROPS, + SYS_COUNT_TX_PAUSE, + SYS_COUNT_TX_64, + SYS_COUNT_TX_65_127, + SYS_COUNT_TX_128_511, + SYS_COUNT_TX_512_1023, + SYS_COUNT_TX_1024_1526, + SYS_COUNT_TX_1527_MAX, + SYS_COUNT_TX_AGING, + SYS_RESET_CFG, + SYS_SR_ETYPE_CFG, + SYS_VLAN_ETYPE_CFG, + SYS_PORT_MODE, + SYS_FRONT_PORT_MODE, + SYS_FRM_AGING, + SYS_STAT_CFG, + SYS_SW_STATUS, + SYS_MISC_CFG, + SYS_REW_MAC_HIGH_CFG, + SYS_REW_MAC_LOW_CFG, + SYS_TIMESTAMP_OFFSET, + SYS_CMID, + SYS_PAUSE_CFG, + SYS_PAUSE_TOT_CFG, + SYS_ATOP, + SYS_ATOP_TOT_CFG, + SYS_MAC_FC_CFG, + SYS_MMGT, + SYS_MMGT_FAST, + SYS_EVENTS_DIF, + SYS_EVENTS_CORE, + SYS_CNT, + SYS_PTP_STATUS, + SYS_PTP_TXSTAMP, + SYS_PTP_NXT, + SYS_PTP_CFG, + SYS_RAM_INIT, + SYS_CM_ADDR, + SYS_CM_DATA_WR, + SYS_CM_DATA_RD, + SYS_CM_OP, + SYS_CM_DATA, + S2_CORE_UPDATE_CTRL = S2 << TARGET_OFFSET, + S2_CORE_MV_CFG, + S2_CACHE_ENTRY_DAT, + S2_CACHE_MASK_DAT, + S2_CACHE_ACTION_DAT, + S2_CACHE_CNT_DAT, + S2_CACHE_TG_DAT, + PTP_PIN_CFG = PTP << TARGET_OFFSET, + PTP_PIN_TOD_SEC_MSB, + PTP_PIN_TOD_SEC_LSB, + PTP_PIN_TOD_NSEC, + PTP_CFG_MISC, + PTP_CLK_CFG_ADJ_CFG, + PTP_CLK_CFG_ADJ_FREQ, + GCB_SOFT_RST = GCB << TARGET_OFFSET, +}; + +enum ocelot_regfield { + ANA_ADVLEARN_VLAN_CHK, + ANA_ADVLEARN_LEARN_MIRROR, + ANA_ANEVENTS_FLOOD_DISCARD, + ANA_ANEVENTS_MSTI_DROP, + ANA_ANEVENTS_ACLKILL, + ANA_ANEVENTS_ACLUSED, + ANA_ANEVENTS_AUTOAGE, + ANA_ANEVENTS_VS2TTL1, + ANA_ANEVENTS_STORM_DROP, + ANA_ANEVENTS_LEARN_DROP, + ANA_ANEVENTS_AGED_ENTRY, + ANA_ANEVENTS_CPU_LEARN_FAILED, + ANA_ANEVENTS_AUTO_LEARN_FAILED, + ANA_ANEVENTS_LEARN_REMOVE, + ANA_ANEVENTS_AUTO_LEARNED, + ANA_ANEVENTS_AUTO_MOVED, + ANA_ANEVENTS_DROPPED, + ANA_ANEVENTS_CLASSIFIED_DROP, + ANA_ANEVENTS_CLASSIFIED_COPY, + ANA_ANEVENTS_VLAN_DISCARD, + ANA_ANEVENTS_FWD_DISCARD, + ANA_ANEVENTS_MULTICAST_FLOOD, + ANA_ANEVENTS_UNICAST_FLOOD, + ANA_ANEVENTS_DEST_KNOWN, + ANA_ANEVENTS_BUCKET3_MATCH, + ANA_ANEVENTS_BUCKET2_MATCH, + ANA_ANEVENTS_BUCKET1_MATCH, + ANA_ANEVENTS_BUCKET0_MATCH, + ANA_ANEVENTS_CPU_OPERATION, + ANA_ANEVENTS_DMAC_LOOKUP, + ANA_ANEVENTS_SMAC_LOOKUP, + ANA_ANEVENTS_SEQ_GEN_ERR_0, + ANA_ANEVENTS_SEQ_GEN_ERR_1, + ANA_TABLES_MACACCESS_B_DOM, + ANA_TABLES_MACTINDX_BUCKET, + ANA_TABLES_MACTINDX_M_INDEX, + QSYS_TIMED_FRAME_ENTRY_TFRM_VLD, + QSYS_TIMED_FRAME_ENTRY_TFRM_FP, + QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO, + QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL, + QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T, + SYS_RESET_CFG_CORE_ENA, + SYS_RESET_CFG_MEM_ENA, + SYS_RESET_CFG_MEM_INIT, + GCB_SOFT_RST_SWC_RST, + REGFIELD_MAX +}; + +enum ocelot_clk_pins { + ALT_PPS_PIN = 1, + EXT_CLK_PIN, + ALT_LDST_PIN, + TOD_ACC_PIN +}; + +struct ocelot_stat_layout { + u32 offset; + char name[ETH_GSTRING_LEN]; +}; + +enum ocelot_tag_prefix { + OCELOT_TAG_PREFIX_DISABLED = 0, + OCELOT_TAG_PREFIX_NONE, + OCELOT_TAG_PREFIX_SHORT, + OCELOT_TAG_PREFIX_LONG, +}; + +struct ocelot; + +struct ocelot_ops { + void (*pcs_init)(struct ocelot *ocelot, int port); + int (*reset)(struct ocelot *ocelot); +}; + +struct ocelot_port { + struct ocelot *ocelot; + + void __iomem *regs; + + /* Ingress default VLAN (pvid) */ + u16 pvid; + + /* Egress default VLAN (vid) */ + u16 vid; + + u8 ptp_cmd; + struct list_head skbs; + u8 ts_id; +}; + +struct ocelot { + struct device *dev; + + const struct ocelot_ops *ops; + struct regmap *targets[TARGET_MAX]; + struct regmap_field *regfields[REGFIELD_MAX]; + const u32 *const *map; + const struct ocelot_stat_layout *stats_layout; + unsigned int num_stats; + + int shared_queue_sz; + + struct net_device *hw_bridge_dev; + u16 bridge_mask; + u16 bridge_fwd_mask; + + struct ocelot_port **ports; + + u8 base_mac[ETH_ALEN]; + + /* Keep track of the vlan port masks */ + u32 vlan_mask[VLAN_N_VID]; + + u8 num_phys_ports; + u8 num_cpu_ports; + u8 cpu; + + u32 *lags; + + struct list_head multicast; + + /* Workqueue to check statistics for overflow with its lock */ + struct mutex stats_lock; + u64 *stats; + struct delayed_work stats_work; + struct workqueue_struct *stats_queue; + + u8 ptp:1; + struct ptp_clock *ptp_clock; + struct ptp_clock_info ptp_info; + struct hwtstamp_config hwtstamp_config; + /* Protects the PTP interface state */ + struct mutex ptp_lock; + /* Protects the PTP clock */ + spinlock_t ptp_clock_lock; + + void (*port_pcs_init)(struct ocelot_port *port); +}; + +#define ocelot_read_ix(ocelot, reg, gi, ri) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) +#define ocelot_read_gix(ocelot, reg, gi) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi)) +#define ocelot_read_rix(ocelot, reg, ri) __ocelot_read_ix(ocelot, reg, reg##_RSZ * (ri)) +#define ocelot_read(ocelot, reg) __ocelot_read_ix(ocelot, reg, 0) + +#define ocelot_write_ix(ocelot, val, reg, gi, ri) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) +#define ocelot_write_gix(ocelot, val, reg, gi) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi)) +#define ocelot_write_rix(ocelot, val, reg, ri) __ocelot_write_ix(ocelot, val, reg, reg##_RSZ * (ri)) +#define ocelot_write(ocelot, val, reg) __ocelot_write_ix(ocelot, val, reg, 0) + +#define ocelot_rmw_ix(ocelot, val, m, reg, gi, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) +#define ocelot_rmw_gix(ocelot, val, m, reg, gi) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi)) +#define ocelot_rmw_rix(ocelot, val, m, reg, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_RSZ * (ri)) +#define ocelot_rmw(ocelot, val, m, reg) __ocelot_rmw_ix(ocelot, val, m, reg, 0) + +/* I/O */ +u32 ocelot_port_readl(struct ocelot_port *port, u32 reg); +void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg); +u32 __ocelot_read_ix(struct ocelot *ocelot, u32 reg, u32 offset); +void __ocelot_write_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 offset); +void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 mask, u32 reg, + u32 offset); + +/* Hardware initialization */ +int ocelot_regfields_init(struct ocelot *ocelot, + const struct reg_field *const regfields); +struct regmap *ocelot_regmap_init(struct ocelot *ocelot, struct resource *res); +void ocelot_set_cpu_port(struct ocelot *ocelot, int cpu, + enum ocelot_tag_prefix injection, + enum ocelot_tag_prefix extraction); +int ocelot_init(struct ocelot *ocelot); +void ocelot_deinit(struct ocelot *ocelot); +void ocelot_init_port(struct ocelot *ocelot, int port); + +/* DSA callbacks */ +void ocelot_port_enable(struct ocelot *ocelot, int port, + struct phy_device *phy); +void ocelot_port_disable(struct ocelot *ocelot, int port); +void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, u8 *data); +void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data); +int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset); +int ocelot_get_ts_info(struct ocelot *ocelot, int port, + struct ethtool_ts_info *info); +void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs); +void ocelot_adjust_link(struct ocelot *ocelot, int port, + struct phy_device *phydev); +void ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, + bool vlan_aware); +void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, u8 state); +int ocelot_port_bridge_join(struct ocelot *ocelot, int port, + struct net_device *bridge); +int ocelot_port_bridge_leave(struct ocelot *ocelot, int port, + struct net_device *bridge); +int ocelot_fdb_dump(struct ocelot *ocelot, int port, + dsa_fdb_dump_cb_t *cb, void *data); +int ocelot_fdb_add(struct ocelot *ocelot, int port, + const unsigned char *addr, u16 vid, bool vlan_aware); +int ocelot_fdb_del(struct ocelot *ocelot, int port, + const unsigned char *addr, u16 vid); +int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid, + bool untagged); +int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid); +int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts); +void ocelot_get_hwtimestamp(struct ocelot *ocelot, struct timespec64 *ts); + +#endif diff --git a/drivers/net/ethernet/mscc/ocelot_sys.h b/include/soc/mscc/ocelot_sys.h similarity index 100% rename from drivers/net/ethernet/mscc/ocelot_sys.h rename to include/soc/mscc/ocelot_sys.h diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index 136612792c08..1e6c3cac11e6 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -79,6 +79,13 @@ config NET_DSA_TAG_KSZ Say Y if you want to enable support for tagging frames for the Microchip 8795/9477/9893 families of switches. +config NET_DSA_TAG_OCELOT + tristate "Tag driver for Ocelot family of switches" + select PACKING + help + Say Y or M if you want to enable support for tagging frames for the + Ocelot switches (VSC7511, VSC7512, VSC7513, VSC7514, VSC9959). + config NET_DSA_TAG_QCA tristate "Tag driver for Qualcomm Atheros QCA8K switches" help diff --git a/net/dsa/Makefile b/net/dsa/Makefile index 2c6d286f0511..9a482c38bdb1 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_NET_DSA_TAG_GSWIP) += tag_gswip.o obj-$(CONFIG_NET_DSA_TAG_KSZ) += tag_ksz.o obj-$(CONFIG_NET_DSA_TAG_LAN9303) += tag_lan9303.o obj-$(CONFIG_NET_DSA_TAG_MTK) += tag_mtk.o +obj-$(CONFIG_NET_DSA_TAG_OCELOT) += tag_ocelot.o obj-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o obj-$(CONFIG_NET_DSA_TAG_SJA1105) += tag_sja1105.o obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c new file mode 100644 index 000000000000..078d4790669d --- /dev/null +++ b/net/dsa/tag_ocelot.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright 2019 NXP Semiconductors + */ +#include +#include +#include "dsa_priv.h" + +/* The CPU injection header and the CPU extraction header can have 3 types of + * prefixes: long, short and no prefix. The format of the header itself is the + * same in all 3 cases. + * + * Extraction with long prefix: + * + * +-------------------+-------------------+------+------+------------+-------+ + * | ff:ff:ff:ff:ff:ff | ff:ff:ff:ff:ff:ff | 8880 | 000a | extraction | frame | + * | | | | | header | | + * +-------------------+-------------------+------+------+------------+-------+ + * 48 bits 48 bits 16 bits 16 bits 128 bits + * + * Extraction with short prefix: + * + * +------+------+------------+-------+ + * | 8880 | 000a | extraction | frame | + * | | | header | | + * +------+------+------------+-------+ + * 16 bits 16 bits 128 bits + * + * Extraction with no prefix: + * + * +------------+-------+ + * | extraction | frame | + * | header | | + * +------------+-------+ + * 128 bits + * + * + * Injection with long prefix: + * + * +-------------------+-------------------+------+------+------------+-------+ + * | any dmac | any smac | 8880 | 000a | injection | frame | + * | | | | | header | | + * +-------------------+-------------------+------+------+------------+-------+ + * 48 bits 48 bits 16 bits 16 bits 128 bits + * + * Injection with short prefix: + * + * +------+------+------------+-------+ + * | 8880 | 000a | injection | frame | + * | | | header | | + * +------+------+------------+-------+ + * 16 bits 16 bits 128 bits + * + * Injection with no prefix: + * + * +------------+-------+ + * | injection | frame | + * | header | | + * +------------+-------+ + * 128 bits + * + * The injection header looks like this (network byte order, bit 127 + * is part of lowest address byte in memory, bit 0 is part of highest + * address byte): + * + * +------+------+------+------+------+------+------+------+ + * 127:120 |BYPASS| MASQ | MASQ_PORT |REW_OP|REW_OP| + * +------+------+------+------+------+------+------+------+ + * 119:112 | REW_OP | + * +------+------+------+------+------+------+------+------+ + * 111:104 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 103: 96 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 95: 88 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 87: 80 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 79: 72 | RSV | + * +------+------+------+------+------+------+------+------+ + * 71: 64 | RSV | DEST | + * +------+------+------+------+------+------+------+------+ + * 63: 56 | DEST | + * +------+------+------+------+------+------+------+------+ + * 55: 48 | RSV | + * +------+------+------+------+------+------+------+------+ + * 47: 40 | RSV | SRC_PORT | RSV |TFRM_TIMER| + * +------+------+------+------+------+------+------+------+ + * 39: 32 | TFRM_TIMER | RSV | + * +------+------+------+------+------+------+------+------+ + * 31: 24 | RSV | DP | POP_CNT | CPUQ | + * +------+------+------+------+------+------+------+------+ + * 23: 16 | CPUQ | QOS_CLASS |TAG_TYPE| + * +------+------+------+------+------+------+------+------+ + * 15: 8 | PCP | DEI | VID | + * +------+------+------+------+------+------+------+------+ + * 7: 0 | VID | + * +------+------+------+------+------+------+------+------+ + * + * And the extraction header looks like this: + * + * +------+------+------+------+------+------+------+------+ + * 127:120 | RSV | REW_OP | + * +------+------+------+------+------+------+------+------+ + * 119:112 | REW_OP | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 111:104 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 103: 96 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 95: 88 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 87: 80 | REW_VAL | LLEN | + * +------+------+------+------+------+------+------+------+ + * 79: 72 | LLEN | WLEN | + * +------+------+------+------+------+------+------+------+ + * 71: 64 | WLEN | RSV | + * +------+------+------+------+------+------+------+------+ + * 63: 56 | RSV | + * +------+------+------+------+------+------+------+------+ + * 55: 48 | RSV | + * +------+------+------+------+------+------+------+------+ + * 47: 40 | RSV | SRC_PORT | ACL_ID | + * +------+------+------+------+------+------+------+------+ + * 39: 32 | ACL_ID | RSV | SFLOW_ID | + * +------+------+------+------+------+------+------+------+ + * 31: 24 |ACL_HIT| DP | LRN_FLAGS | CPUQ | + * +------+------+------+------+------+------+------+------+ + * 23: 16 | CPUQ | QOS_CLASS |TAG_TYPE| + * +------+------+------+------+------+------+------+------+ + * 15: 8 | PCP | DEI | VID | + * +------+------+------+------+------+------+------+------+ + * 7: 0 | VID | + * +------+------+------+------+------+------+------+------+ + */ + +static struct sk_buff *ocelot_xmit(struct sk_buff *skb, + struct net_device *netdev) +{ + struct dsa_port *dp = dsa_slave_to_port(netdev); + u64 bypass, dest, src, qos_class; + struct dsa_switch *ds = dp->ds; + int port = dp->index; + u8 *injection; + + if (unlikely(skb_cow_head(skb, OCELOT_TAG_LEN) < 0)) { + netdev_err(netdev, "Cannot make room for tag.\n"); + return NULL; + } + + injection = skb_push(skb, OCELOT_TAG_LEN); + + memset(injection, 0, OCELOT_TAG_LEN); + + src = dsa_upstream_port(ds, port); + dest = BIT(port); + bypass = true; + qos_class = skb->priority; + + packing(injection, &bypass, 127, 127, OCELOT_TAG_LEN, PACK, 0); + packing(injection, &dest, 68, 56, OCELOT_TAG_LEN, PACK, 0); + packing(injection, &src, 46, 43, OCELOT_TAG_LEN, PACK, 0); + packing(injection, &qos_class, 19, 17, OCELOT_TAG_LEN, PACK, 0); + + return skb; +} + +static struct sk_buff *ocelot_rcv(struct sk_buff *skb, + struct net_device *netdev, + struct packet_type *pt) +{ + u64 src_port, qos_class; + u8 *start = skb->data; + u8 *extraction; + + /* Revert skb->data by the amount consumed by the DSA master, + * so it points to the beginning of the frame. + */ + skb_push(skb, ETH_HLEN); + /* We don't care about the long prefix, it is just for easy entrance + * into the DSA master's RX filter. Discard it now by moving it into + * the headroom. + */ + skb_pull(skb, OCELOT_LONG_PREFIX_LEN); + /* And skb->data now points to the extraction frame header. + * Keep a pointer to it. + */ + extraction = skb->data; + /* Now the EFH is part of the headroom as well */ + skb_pull(skb, OCELOT_TAG_LEN); + /* Reset the pointer to the real MAC header */ + skb_reset_mac_header(skb); + skb_reset_mac_len(skb); + /* And move skb->data to the correct location again */ + skb_pull(skb, ETH_HLEN); + + /* Remove from inet csum the extraction header */ + skb_postpull_rcsum(skb, start, OCELOT_LONG_PREFIX_LEN + OCELOT_TAG_LEN); + + packing(extraction, &src_port, 46, 43, OCELOT_TAG_LEN, UNPACK, 0); + packing(extraction, &qos_class, 19, 17, OCELOT_TAG_LEN, UNPACK, 0); + + skb->dev = dsa_master_find_slave(netdev, 0, src_port); + if (!skb->dev) + /* The switch will reflect back some frames sent through + * sockets opened on the bare DSA master. These will come back + * with src_port equal to the index of the CPU port, for which + * there is no slave registered. So don't print any error + * message here (ignore and drop those frames). + */ + return NULL; + + skb->offload_fwd_mark = 1; + skb->priority = qos_class; + + return skb; +} + +static struct dsa_device_ops ocelot_netdev_ops = { + .name = "ocelot", + .proto = DSA_TAG_PROTO_OCELOT, + .xmit = ocelot_xmit, + .rcv = ocelot_rcv, + .overhead = OCELOT_TAG_LEN + OCELOT_LONG_PREFIX_LEN, +}; + +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_OCELOT); + +module_dsa_tag_driver(ocelot_netdev_ops);