diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6352.c')
-rw-r--r-- | drivers/net/dsa/mv88e6352.c | 307 |
1 files changed, 38 insertions, 269 deletions
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c index e13adc7b3dda..126c11b81e75 100644 --- a/drivers/net/dsa/mv88e6352.c +++ b/drivers/net/dsa/mv88e6352.c @@ -22,59 +22,6 @@ #include <net/dsa.h> #include "mv88e6xxx.h" -static int mv88e6352_wait(struct dsa_switch *ds, int reg, int offset, u16 mask) -{ - unsigned long timeout = jiffies + HZ / 10; - - while (time_before(jiffies, timeout)) { - int ret; - - ret = REG_READ(reg, offset); - if (!(ret & mask)) - return 0; - - usleep_range(1000, 2000); - } - return -ETIMEDOUT; -} - -static inline int mv88e6352_phy_wait(struct dsa_switch *ds) -{ - return mv88e6352_wait(ds, REG_GLOBAL2, 0x18, 0x8000); -} - -static inline int mv88e6352_eeprom_load_wait(struct dsa_switch *ds) -{ - return mv88e6352_wait(ds, REG_GLOBAL2, 0x14, 0x0800); -} - -static inline int mv88e6352_eeprom_busy_wait(struct dsa_switch *ds) -{ - return mv88e6352_wait(ds, REG_GLOBAL2, 0x14, 0x8000); -} - -static int __mv88e6352_phy_read(struct dsa_switch *ds, int addr, int regnum) -{ - int ret; - - REG_WRITE(REG_GLOBAL2, 0x18, 0x9800 | (addr << 5) | regnum); - - ret = mv88e6352_phy_wait(ds); - if (ret < 0) - return ret; - - return REG_READ(REG_GLOBAL2, 0x19); -} - -static int __mv88e6352_phy_write(struct dsa_switch *ds, int addr, int regnum, - u16 val) -{ - REG_WRITE(REG_GLOBAL2, 0x19, val); - REG_WRITE(REG_GLOBAL2, 0x18, 0x9400 | (addr << 5) | regnum); - - return mv88e6352_phy_wait(ds); -} - static char *mv88e6352_probe(struct device *host_dev, int sw_addr) { struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev); @@ -83,58 +30,24 @@ static char *mv88e6352_probe(struct device *host_dev, int sw_addr) if (bus == NULL) return NULL; - ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03); + ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), PORT_SWITCH_ID); if (ret >= 0) { - if ((ret & 0xfff0) == 0x1760) + if ((ret & 0xfff0) == PORT_SWITCH_ID_6176) return "Marvell 88E6176"; - if (ret == 0x3521) + if (ret == PORT_SWITCH_ID_6352_A0) return "Marvell 88E6352 (A0)"; - if (ret == 0x3522) + if (ret == PORT_SWITCH_ID_6352_A1) return "Marvell 88E6352 (A1)"; - if ((ret & 0xfff0) == 0x3520) + if ((ret & 0xfff0) == PORT_SWITCH_ID_6352) return "Marvell 88E6352"; } return NULL; } -static int mv88e6352_switch_reset(struct dsa_switch *ds) -{ - unsigned long timeout; - int ret; - int i; - - /* Set all ports to the disabled state. */ - for (i = 0; i < 7; 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. Keep PPU active (bit 14, undocumented). - * The PPU needs to be active to support indirect phy register - * accesses through global registers 0x18 and 0x19. - */ - REG_WRITE(REG_GLOBAL, 0x04, 0xc000); - - /* 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 & 0x8800) == 0x8800) - break; - usleep_range(1000, 2000); - } - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - - return 0; -} - static int mv88e6352_setup_global(struct dsa_switch *ds) { + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); int ret; int i; @@ -205,7 +118,7 @@ static int mv88e6352_setup_global(struct dsa_switch *ds) /* Disable ingress rate limiting by resetting all ingress * rate limit registers to their initial state. */ - for (i = 0; i < 7; i++) + for (i = 0; i < ps->num_ports; i++) REG_WRITE(REG_GLOBAL2, 0x09, 0x9000 | (i << 8)); /* Initialise cross-chip port VLAN table to reset defaults. */ @@ -268,28 +181,6 @@ static int mv88e6352_setup_port(struct dsa_switch *ds, int p) 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 @@ -334,53 +225,18 @@ static int mv88e6352_setup_port(struct dsa_switch *ds, int p) */ REG_WRITE(addr, 0x19, 0x7654); - return 0; + return mv88e6xxx_setup_port_common(ds, p); } #ifdef CONFIG_NET_DSA_HWMON -static int mv88e6352_phy_page_read(struct dsa_switch *ds, - int port, int page, int reg) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - mutex_lock(&ps->phy_mutex); - ret = __mv88e6352_phy_write(ds, port, 0x16, page); - if (ret < 0) - goto error; - ret = __mv88e6352_phy_read(ds, port, reg); -error: - __mv88e6352_phy_write(ds, port, 0x16, 0x0); - mutex_unlock(&ps->phy_mutex); - return ret; -} - -static int mv88e6352_phy_page_write(struct dsa_switch *ds, - int port, int page, int reg, int val) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - mutex_lock(&ps->phy_mutex); - ret = __mv88e6352_phy_write(ds, port, 0x16, page); - if (ret < 0) - goto error; - - ret = __mv88e6352_phy_write(ds, port, reg, val); -error: - __mv88e6352_phy_write(ds, port, 0x16, 0x0); - mutex_unlock(&ps->phy_mutex); - return ret; -} - static int mv88e6352_get_temp(struct dsa_switch *ds, int *temp) { int ret; *temp = 0; - ret = mv88e6352_phy_page_read(ds, 0, 6, 27); + ret = mv88e6xxx_phy_page_read(ds, 0, 6, 27); if (ret < 0) return ret; @@ -395,7 +251,7 @@ static int mv88e6352_get_temp_limit(struct dsa_switch *ds, int *temp) *temp = 0; - ret = mv88e6352_phy_page_read(ds, 0, 6, 26); + ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26); if (ret < 0) return ret; @@ -408,11 +264,11 @@ static int mv88e6352_set_temp_limit(struct dsa_switch *ds, int temp) { int ret; - ret = mv88e6352_phy_page_read(ds, 0, 6, 26); + ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26); if (ret < 0) return ret; temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f); - return mv88e6352_phy_page_write(ds, 0, 6, 26, + return mv88e6xxx_phy_page_write(ds, 0, 6, 26, (ret & 0xe0ff) | (temp << 8)); } @@ -422,7 +278,7 @@ static int mv88e6352_get_temp_alarm(struct dsa_switch *ds, bool *alarm) *alarm = false; - ret = mv88e6352_phy_page_read(ds, 0, 6, 26); + ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26); if (ret < 0) return ret; @@ -438,14 +294,15 @@ static int mv88e6352_setup(struct dsa_switch *ds) int ret; int i; - mutex_init(&ps->smi_mutex); - mutex_init(&ps->stats_mutex); - mutex_init(&ps->phy_mutex); - mutex_init(&ps->eeprom_mutex); + ret = mv88e6xxx_setup_common(ds); + if (ret < 0) + return ret; - ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0; + ps->num_ports = 7; - ret = mv88e6352_switch_reset(ds); + mutex_init(&ps->eeprom_mutex); + + ret = mv88e6xxx_switch_reset(ds, true); if (ret < 0) return ret; @@ -455,7 +312,7 @@ static int mv88e6352_setup(struct dsa_switch *ds) if (ret < 0) return ret; - for (i = 0; i < 7; i++) { + for (i = 0; i < ps->num_ports; i++) { ret = mv88e6352_setup_port(ds, i); if (ret < 0) return ret; @@ -464,83 +321,6 @@ static int mv88e6352_setup(struct dsa_switch *ds) return 0; } -static int mv88e6352_port_to_phy_addr(int port) -{ - if (port >= 0 && port <= 4) - return port; - return -EINVAL; -} - -static int -mv88e6352_phy_read(struct dsa_switch *ds, int port, int regnum) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int addr = mv88e6352_port_to_phy_addr(port); - int ret; - - if (addr < 0) - return addr; - - mutex_lock(&ps->phy_mutex); - ret = __mv88e6352_phy_read(ds, addr, regnum); - mutex_unlock(&ps->phy_mutex); - - return ret; -} - -static int -mv88e6352_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int addr = mv88e6352_port_to_phy_addr(port); - int ret; - - if (addr < 0) - return addr; - - mutex_lock(&ps->phy_mutex); - ret = __mv88e6352_phy_write(ds, addr, regnum, val); - mutex_unlock(&ps->phy_mutex); - - return ret; -} - -static struct mv88e6xxx_hw_stat mv88e6352_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, }, - { "sw_in_discards", 4, 0x110, }, - { "sw_in_filtered", 2, 0x112, }, - { "sw_out_filtered", 2, 0x113, }, -}; - static int mv88e6352_read_eeprom_word(struct dsa_switch *ds, int addr) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); @@ -553,7 +333,7 @@ static int mv88e6352_read_eeprom_word(struct dsa_switch *ds, int addr) if (ret < 0) goto error; - ret = mv88e6352_eeprom_busy_wait(ds); + ret = mv88e6xxx_eeprom_busy_wait(ds); if (ret < 0) goto error; @@ -576,7 +356,7 @@ static int mv88e6352_get_eeprom(struct dsa_switch *ds, eeprom->magic = 0xc3ec4951; - ret = mv88e6352_eeprom_load_wait(ds); + ret = mv88e6xxx_eeprom_load_wait(ds); if (ret < 0) return ret; @@ -657,7 +437,7 @@ static int mv88e6352_write_eeprom_word(struct dsa_switch *ds, int addr, if (ret < 0) goto error; - ret = mv88e6352_eeprom_busy_wait(ds); + ret = mv88e6xxx_eeprom_busy_wait(ds); error: mutex_unlock(&ps->eeprom_mutex); return ret; @@ -681,7 +461,7 @@ static int mv88e6352_set_eeprom(struct dsa_switch *ds, len = eeprom->len; eeprom->len = 0; - ret = mv88e6352_eeprom_load_wait(ds); + ret = mv88e6xxx_eeprom_load_wait(ds); if (ret < 0) return ret; @@ -739,37 +519,20 @@ static int mv88e6352_set_eeprom(struct dsa_switch *ds, return 0; } -static void -mv88e6352_get_strings(struct dsa_switch *ds, int port, uint8_t *data) -{ - mv88e6xxx_get_strings(ds, ARRAY_SIZE(mv88e6352_hw_stats), - mv88e6352_hw_stats, port, data); -} - -static void -mv88e6352_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data) -{ - mv88e6xxx_get_ethtool_stats(ds, ARRAY_SIZE(mv88e6352_hw_stats), - mv88e6352_hw_stats, port, data); -} - -static int mv88e6352_get_sset_count(struct dsa_switch *ds) -{ - return ARRAY_SIZE(mv88e6352_hw_stats); -} - struct dsa_switch_driver mv88e6352_switch_driver = { .tag_protocol = DSA_TAG_PROTO_EDSA, .priv_size = sizeof(struct mv88e6xxx_priv_state), .probe = mv88e6352_probe, .setup = mv88e6352_setup, .set_addr = mv88e6xxx_set_addr_indirect, - .phy_read = mv88e6352_phy_read, - .phy_write = mv88e6352_phy_write, + .phy_read = mv88e6xxx_phy_read_indirect, + .phy_write = mv88e6xxx_phy_write_indirect, .poll_link = mv88e6xxx_poll_link, - .get_strings = mv88e6352_get_strings, - .get_ethtool_stats = mv88e6352_get_ethtool_stats, - .get_sset_count = mv88e6352_get_sset_count, + .get_strings = mv88e6xxx_get_strings, + .get_ethtool_stats = mv88e6xxx_get_ethtool_stats, + .get_sset_count = mv88e6xxx_get_sset_count, + .set_eee = mv88e6xxx_set_eee, + .get_eee = mv88e6xxx_get_eee, #ifdef CONFIG_NET_DSA_HWMON .get_temp = mv88e6352_get_temp, .get_temp_limit = mv88e6352_get_temp_limit, @@ -780,6 +543,12 @@ struct dsa_switch_driver mv88e6352_switch_driver = { .set_eeprom = mv88e6352_set_eeprom, .get_regs_len = mv88e6xxx_get_regs_len, .get_regs = mv88e6xxx_get_regs, + .port_join_bridge = mv88e6xxx_join_bridge, + .port_leave_bridge = mv88e6xxx_leave_bridge, + .port_stp_update = mv88e6xxx_port_stp_update, + .fdb_add = mv88e6xxx_port_fdb_add, + .fdb_del = mv88e6xxx_port_fdb_del, + .fdb_getnext = mv88e6xxx_port_fdb_getnext, }; MODULE_ALIAS("platform:mv88e6352"); |