--- zzzz-none-000/linux-3.10.107/drivers/net/dsa/mv88e6123_61_65.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/dsa/mv88e6123_61_65.c 2021-02-04 17:41:59.000000000 +0000 @@ -17,391 +17,106 @@ #include #include "mv88e6xxx.h" -static char *mv88e6123_61_65_probe(struct mii_bus *bus, int sw_addr) -{ - int ret; - - ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03); - if (ret >= 0) { - if (ret == 0x1212) - return "Marvell 88E6123 (A1)"; - if (ret == 0x1213) - return "Marvell 88E6123 (A2)"; - if ((ret & 0xfff0) == 0x1210) - return "Marvell 88E6123"; - - if (ret == 0x1612) - return "Marvell 88E6161 (A1)"; - if (ret == 0x1613) - return "Marvell 88E6161 (A2)"; - if ((ret & 0xfff0) == 0x1610) - return "Marvell 88E6161"; - - if (ret == 0x1652) - return "Marvell 88E6165 (A1)"; - if (ret == 0x1653) - return "Marvell 88e6165 (A2)"; - if ((ret & 0xfff0) == 0x1650) - return "Marvell 88E6165"; - } - - return NULL; -} +static const struct mv88e6xxx_switch_id mv88e6123_61_65_table[] = { + { PORT_SWITCH_ID_6123, "Marvell 88E6123" }, + { PORT_SWITCH_ID_6123_A1, "Marvell 88E6123 (A1)" }, + { PORT_SWITCH_ID_6123_A2, "Marvell 88E6123 (A2)" }, + { PORT_SWITCH_ID_6161, "Marvell 88E6161" }, + { PORT_SWITCH_ID_6161_A1, "Marvell 88E6161 (A1)" }, + { PORT_SWITCH_ID_6161_A2, "Marvell 88E6161 (A2)" }, + { PORT_SWITCH_ID_6165, "Marvell 88E6165" }, + { PORT_SWITCH_ID_6165_A1, "Marvell 88E6165 (A1)" }, + { PORT_SWITCH_ID_6165_A2, "Marvell 88e6165 (A2)" }, +}; -static int mv88e6123_61_65_switch_reset(struct dsa_switch *ds) +static char *mv88e6123_61_65_probe(struct device *host_dev, int sw_addr) { - int i; - int ret; - unsigned long timeout; - - /* Set all ports to the disabled state. */ - for (i = 0; i < 8; i++) { - ret = REG_READ(REG_PORT(i), 0x04); - REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc); - } - - /* Wait for transmit queues to drain. */ - usleep_range(2000, 4000); - - /* Reset the switch. */ - REG_WRITE(REG_GLOBAL, 0x04, 0xc400); - - /* Wait up to one second for reset to complete. */ - timeout = jiffies + 1 * HZ; - while (time_before(jiffies, timeout)) { - ret = REG_READ(REG_GLOBAL, 0x00); - if ((ret & 0xc800) == 0xc800) - break; - - usleep_range(1000, 2000); - } - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - - return 0; + return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_61_65_table, + ARRAY_SIZE(mv88e6123_61_65_table)); } static int mv88e6123_61_65_setup_global(struct dsa_switch *ds) { + u32 upstream_port = dsa_upstream_port(ds); int ret; - int i; + u32 reg; + + ret = mv88e6xxx_setup_global(ds); + if (ret) + return ret; /* Disable the PHY polling unit (since there won't be any * external PHYs to poll), don't discard packets with * excessive collisions, and mask all interrupt sources. */ - REG_WRITE(REG_GLOBAL, 0x04, 0x0000); - - /* Set the default address aging time to 5 minutes, and - * enable address learn messages to be sent to all message - * ports. - */ - REG_WRITE(REG_GLOBAL, 0x0a, 0x0148); - - /* Configure the priority mapping registers. */ - ret = mv88e6xxx_config_prio(ds); - if (ret < 0) - return ret; + REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, 0x0000); /* Configure the upstream port, and configure the upstream * port as the port to which ingress and egress monitor frames * are to be sent. */ - REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1110)); + reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT | + upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT | + upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT; + REG_WRITE(REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg); /* Disable remote management for now, and set the switch's * DSA device number. */ - REG_WRITE(REG_GLOBAL, 0x1c, ds->index & 0x1f); - - /* Send all frames with destination addresses matching - * 01:80:c2:00:00:2x to the CPU port. - */ - REG_WRITE(REG_GLOBAL2, 0x02, 0xffff); - - /* Send all frames with destination addresses matching - * 01:80:c2:00:00:0x to the CPU port. - */ - REG_WRITE(REG_GLOBAL2, 0x03, 0xffff); - - /* Disable the loopback filter, disable flow control - * messages, disable flood broadcast override, disable - * removing of provider tags, disable ATU age violation - * interrupts, disable tag flow control, force flow - * control priority to the highest, and send all special - * multicast frames to the CPU at the highest priority. - */ - REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff); - - /* Program the DSA routing table. */ - for (i = 0; i < 32; i++) { - int nexthop; - - nexthop = 0x1f; - if (i != ds->index && i < ds->dst->pd->nr_chips) - nexthop = ds->pd->rtable[i] & 0x1f; - - REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop); - } - - /* Clear all trunk masks. */ - for (i = 0; i < 8; i++) - REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0xff); - - /* Clear all trunk mappings. */ - for (i = 0; i < 16; i++) - REG_WRITE(REG_GLOBAL2, 0x08, 0x8000 | (i << 11)); - - /* Disable ingress rate limiting by resetting all ingress - * rate limit registers to their initial state. - */ - for (i = 0; i < 6; i++) - REG_WRITE(REG_GLOBAL2, 0x09, 0x9000 | (i << 8)); - - /* Initialise cross-chip port VLAN table to reset defaults. */ - REG_WRITE(REG_GLOBAL2, 0x0b, 0x9000); - - /* Clear the priority override table. */ - for (i = 0; i < 16; i++) - REG_WRITE(REG_GLOBAL2, 0x0f, 0x8000 | (i << 8)); - - /* @@@ initialise AVB (22/23) watchdog (27) sdet (29) registers */ - - return 0; -} - -static int mv88e6123_61_65_setup_port(struct dsa_switch *ds, int p) -{ - int addr = REG_PORT(p); - u16 val; - - /* MAC Forcing register: don't force link, speed, duplex - * or flow control state to any particular values on physical - * ports, but force the CPU port and all DSA ports to 1000 Mb/s - * full duplex. - */ - if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p)) - REG_WRITE(addr, 0x01, 0x003e); - else - REG_WRITE(addr, 0x01, 0x0003); - - /* Do not limit the period of time that this port can be - * paused for by the remote end or the period of time that - * this port can pause the remote end. - */ - REG_WRITE(addr, 0x02, 0x0000); - - /* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock, - * disable Header mode, enable IGMP/MLD snooping, disable VLAN - * tunneling, determine priority by looking at 802.1p and IP - * priority fields (IP prio has precedence), and set STP state - * to Forwarding. - * - * If this is the CPU link, use DSA or EDSA tagging depending - * on which tagging mode was configured. - * - * If this is a link to another switch, use DSA tagging mode. - * - * If this is the upstream port for this switch, enable - * forwarding of unknown unicasts and multicasts. - */ - val = 0x0433; - if (dsa_is_cpu_port(ds, p)) { - if (ds->dst->tag_protocol == htons(ETH_P_EDSA)) - val |= 0x3300; - else - val |= 0x0100; - } - if (ds->dsa_port_mask & (1 << p)) - val |= 0x0100; - if (p == dsa_upstream_port(ds)) - val |= 0x000c; - REG_WRITE(addr, 0x04, val); - - /* Port Control 1: disable trunking. Also, if this is the - * CPU port, enable learn messages to be sent to this port. - */ - REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000); - - /* Port based VLAN map: give each port its own address - * database, allow the CPU port to talk to each of the 'real' - * ports, and allow each of the 'real' ports to only talk to - * the upstream port. - */ - val = (p & 0xf) << 12; - if (dsa_is_cpu_port(ds, p)) - val |= ds->phys_port_mask; - else - val |= 1 << dsa_upstream_port(ds); - REG_WRITE(addr, 0x06, val); - - /* Default VLAN ID and priority: don't set a default VLAN - * ID, and set the default packet priority to zero. - */ - REG_WRITE(addr, 0x07, 0x0000); - - /* Port Control 2: don't force a good FCS, set the maximum - * frame size to 10240 bytes, don't let the switch add or - * strip 802.1q tags, don't discard tagged or untagged frames - * on this port, do a destination address lookup on all - * received packets as usual, disable ARP mirroring and don't - * send a copy of all transmitted/received frames on this port - * to the CPU. - */ - REG_WRITE(addr, 0x08, 0x2080); - - /* Egress rate control: disable egress rate control. */ - REG_WRITE(addr, 0x09, 0x0001); - - /* Egress rate control 2: disable egress rate control. */ - REG_WRITE(addr, 0x0a, 0x0000); - - /* Port Association Vector: when learning source addresses - * of packets, add the address to the address database using - * a port bitmap that has only the bit for this port set and - * the other bits clear. - */ - REG_WRITE(addr, 0x0b, 1 << p); - - /* Port ATU control: disable limiting the number of address - * database entries that this port is allowed to use. - */ - REG_WRITE(addr, 0x0c, 0x0000); - - /* Priority Override: disable DA, SA and VTU priority override. */ - REG_WRITE(addr, 0x0d, 0x0000); - - /* Port Ethertype: use the Ethertype DSA Ethertype value. */ - REG_WRITE(addr, 0x0f, ETH_P_EDSA); - - /* Tag Remap: use an identity 802.1p prio -> switch prio - * mapping. - */ - REG_WRITE(addr, 0x18, 0x3210); - - /* Tag Remap 2: use an identity 802.1p prio -> switch prio - * mapping. - */ - REG_WRITE(addr, 0x19, 0x7654); + REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL_2, ds->index & 0x1f); return 0; } static int mv88e6123_61_65_setup(struct dsa_switch *ds) { - struct mv88e6xxx_priv_state *ps = (void *)(ds + 1); - int i; + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); int ret; - mutex_init(&ps->smi_mutex); - mutex_init(&ps->stats_mutex); - - ret = mv88e6123_61_65_switch_reset(ds); + ret = mv88e6xxx_setup_common(ds); if (ret < 0) return ret; - /* @@@ initialise vtu and atu */ + switch (ps->id) { + case PORT_SWITCH_ID_6123: + ps->num_ports = 3; + break; + case PORT_SWITCH_ID_6161: + case PORT_SWITCH_ID_6165: + ps->num_ports = 6; + break; + default: + return -ENODEV; + } - ret = mv88e6123_61_65_setup_global(ds); + ret = mv88e6xxx_switch_reset(ds, false); if (ret < 0) return ret; - for (i = 0; i < 6; i++) { - ret = mv88e6123_61_65_setup_port(ds, i); - if (ret < 0) - return ret; - } - - return 0; -} - -static int mv88e6123_61_65_port_to_phy_addr(int port) -{ - if (port >= 0 && port <= 4) - return port; - return -1; -} - -static int -mv88e6123_61_65_phy_read(struct dsa_switch *ds, int port, int regnum) -{ - int addr = mv88e6123_61_65_port_to_phy_addr(port); - return mv88e6xxx_phy_read(ds, addr, regnum); -} - -static int -mv88e6123_61_65_phy_write(struct dsa_switch *ds, - int port, int regnum, u16 val) -{ - int addr = mv88e6123_61_65_port_to_phy_addr(port); - return mv88e6xxx_phy_write(ds, addr, regnum, val); -} - -static struct mv88e6xxx_hw_stat mv88e6123_61_65_hw_stats[] = { - { "in_good_octets", 8, 0x00, }, - { "in_bad_octets", 4, 0x02, }, - { "in_unicast", 4, 0x04, }, - { "in_broadcasts", 4, 0x06, }, - { "in_multicasts", 4, 0x07, }, - { "in_pause", 4, 0x16, }, - { "in_undersize", 4, 0x18, }, - { "in_fragments", 4, 0x19, }, - { "in_oversize", 4, 0x1a, }, - { "in_jabber", 4, 0x1b, }, - { "in_rx_error", 4, 0x1c, }, - { "in_fcs_error", 4, 0x1d, }, - { "out_octets", 8, 0x0e, }, - { "out_unicast", 4, 0x10, }, - { "out_broadcasts", 4, 0x13, }, - { "out_multicasts", 4, 0x12, }, - { "out_pause", 4, 0x15, }, - { "excessive", 4, 0x11, }, - { "collisions", 4, 0x1e, }, - { "deferred", 4, 0x05, }, - { "single", 4, 0x14, }, - { "multiple", 4, 0x17, }, - { "out_fcs_error", 4, 0x03, }, - { "late", 4, 0x1f, }, - { "hist_64bytes", 4, 0x08, }, - { "hist_65_127bytes", 4, 0x09, }, - { "hist_128_255bytes", 4, 0x0a, }, - { "hist_256_511bytes", 4, 0x0b, }, - { "hist_512_1023bytes", 4, 0x0c, }, - { "hist_1024_max_bytes", 4, 0x0d, }, -}; - -static void -mv88e6123_61_65_get_strings(struct dsa_switch *ds, int port, uint8_t *data) -{ - mv88e6xxx_get_strings(ds, ARRAY_SIZE(mv88e6123_61_65_hw_stats), - mv88e6123_61_65_hw_stats, port, data); -} - -static void -mv88e6123_61_65_get_ethtool_stats(struct dsa_switch *ds, - int port, uint64_t *data) -{ - mv88e6xxx_get_ethtool_stats(ds, ARRAY_SIZE(mv88e6123_61_65_hw_stats), - mv88e6123_61_65_hw_stats, port, data); -} + ret = mv88e6123_61_65_setup_global(ds); + if (ret < 0) + return ret; -static int mv88e6123_61_65_get_sset_count(struct dsa_switch *ds) -{ - return ARRAY_SIZE(mv88e6123_61_65_hw_stats); + return mv88e6xxx_setup_ports(ds); } struct dsa_switch_driver mv88e6123_61_65_switch_driver = { - .tag_protocol = cpu_to_be16(ETH_P_EDSA), + .tag_protocol = DSA_TAG_PROTO_EDSA, .priv_size = sizeof(struct mv88e6xxx_priv_state), .probe = mv88e6123_61_65_probe, .setup = mv88e6123_61_65_setup, .set_addr = mv88e6xxx_set_addr_indirect, - .phy_read = mv88e6123_61_65_phy_read, - .phy_write = mv88e6123_61_65_phy_write, - .poll_link = mv88e6xxx_poll_link, - .get_strings = mv88e6123_61_65_get_strings, - .get_ethtool_stats = mv88e6123_61_65_get_ethtool_stats, - .get_sset_count = mv88e6123_61_65_get_sset_count, + .phy_read = mv88e6xxx_phy_read, + .phy_write = mv88e6xxx_phy_write, + .get_strings = mv88e6xxx_get_strings, + .get_ethtool_stats = mv88e6xxx_get_ethtool_stats, + .get_sset_count = mv88e6xxx_get_sset_count, + .adjust_link = mv88e6xxx_adjust_link, +#ifdef CONFIG_NET_DSA_HWMON + .get_temp = mv88e6xxx_get_temp, +#endif + .get_regs_len = mv88e6xxx_get_regs_len, + .get_regs = mv88e6xxx_get_regs, }; MODULE_ALIAS("platform:mv88e6123");