diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6352.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6352.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c deleted file mode 100644 index 5f528abc8af1..000000000000 --- a/drivers/net/dsa/mv88e6352.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * net/dsa/mv88e6352.c - Marvell 88e6352 switch chip support - * - * Copyright (c) 2014 Guenter Roeck - * - * Derived from mv88e6123_61_65.c - * Copyright (c) 2008-2009 Marvell Semiconductor - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/delay.h> -#include <linux/jiffies.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/platform_device.h> -#include <linux/phy.h> -#include <net/dsa.h> -#include "mv88e6xxx.h" - -static const struct mv88e6xxx_switch_id mv88e6352_table[] = { - { PORT_SWITCH_ID_6172, "Marvell 88E6172" }, - { PORT_SWITCH_ID_6176, "Marvell 88E6176" }, - { PORT_SWITCH_ID_6240, "Marvell 88E6240" }, - { PORT_SWITCH_ID_6320, "Marvell 88E6320" }, - { PORT_SWITCH_ID_6320_A1, "Marvell 88E6320 (A1)" }, - { PORT_SWITCH_ID_6320_A2, "Marvell 88e6320 (A2)" }, - { PORT_SWITCH_ID_6321, "Marvell 88E6321" }, - { PORT_SWITCH_ID_6321_A1, "Marvell 88E6321 (A1)" }, - { PORT_SWITCH_ID_6321_A2, "Marvell 88e6321 (A2)" }, - { PORT_SWITCH_ID_6352, "Marvell 88E6352" }, - { PORT_SWITCH_ID_6352_A0, "Marvell 88E6352 (A0)" }, - { PORT_SWITCH_ID_6352_A1, "Marvell 88E6352 (A1)" }, -}; - -static char *mv88e6352_probe(struct device *host_dev, int sw_addr) -{ - return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6352_table, - ARRAY_SIZE(mv88e6352_table)); -} - -static int mv88e6352_setup_global(struct dsa_switch *ds) -{ - u32 upstream_port = dsa_upstream_port(ds); - int ret; - u32 reg; - - ret = mv88e6xxx_setup_global(ds); - if (ret) - return ret; - - /* Discard packets with excessive collisions, - * mask all interrupt sources, enable PPU (bit 14, undocumented). - */ - REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, - GLOBAL_CONTROL_PPU_ENABLE | GLOBAL_CONTROL_DISCARD_EXCESS); - - /* Configure the upstream port, and configure the upstream - * port as the port to which ingress and egress monitor frames - * are to be sent. - */ - 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); - - return 0; -} - -static int mv88e6352_setup(struct dsa_switch *ds) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - ret = mv88e6xxx_setup_common(ds); - if (ret < 0) - return ret; - - ps->num_ports = 7; - - mutex_init(&ps->eeprom_mutex); - - ret = mv88e6xxx_switch_reset(ds, true); - if (ret < 0) - return ret; - - ret = mv88e6352_setup_global(ds); - if (ret < 0) - return ret; - - return mv88e6xxx_setup_ports(ds); -} - -static int mv88e6352_read_eeprom_word(struct dsa_switch *ds, int addr) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - mutex_lock(&ps->eeprom_mutex); - - ret = mv88e6xxx_reg_write(ds, REG_GLOBAL2, GLOBAL2_EEPROM_OP, - GLOBAL2_EEPROM_OP_READ | - (addr & GLOBAL2_EEPROM_OP_ADDR_MASK)); - if (ret < 0) - goto error; - - ret = mv88e6xxx_eeprom_busy_wait(ds); - if (ret < 0) - goto error; - - ret = mv88e6xxx_reg_read(ds, REG_GLOBAL2, GLOBAL2_EEPROM_DATA); -error: - mutex_unlock(&ps->eeprom_mutex); - return ret; -} - -static int mv88e6352_get_eeprom(struct dsa_switch *ds, - struct ethtool_eeprom *eeprom, u8 *data) -{ - int offset; - int len; - int ret; - - offset = eeprom->offset; - len = eeprom->len; - eeprom->len = 0; - - eeprom->magic = 0xc3ec4951; - - ret = mv88e6xxx_eeprom_load_wait(ds); - if (ret < 0) - return ret; - - if (offset & 1) { - int word; - - word = mv88e6352_read_eeprom_word(ds, offset >> 1); - if (word < 0) - return word; - - *data++ = (word >> 8) & 0xff; - - offset++; - len--; - eeprom->len++; - } - - while (len >= 2) { - int word; - - word = mv88e6352_read_eeprom_word(ds, offset >> 1); - if (word < 0) - return word; - - *data++ = word & 0xff; - *data++ = (word >> 8) & 0xff; - - offset += 2; - len -= 2; - eeprom->len += 2; - } - - if (len) { - int word; - - word = mv88e6352_read_eeprom_word(ds, offset >> 1); - if (word < 0) - return word; - - *data++ = word & 0xff; - - offset++; - len--; - eeprom->len++; - } - - return 0; -} - -static int mv88e6352_eeprom_is_readonly(struct dsa_switch *ds) -{ - int ret; - - ret = mv88e6xxx_reg_read(ds, REG_GLOBAL2, GLOBAL2_EEPROM_OP); - if (ret < 0) - return ret; - - if (!(ret & GLOBAL2_EEPROM_OP_WRITE_EN)) - return -EROFS; - - return 0; -} - -static int mv88e6352_write_eeprom_word(struct dsa_switch *ds, int addr, - u16 data) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - mutex_lock(&ps->eeprom_mutex); - - ret = mv88e6xxx_reg_write(ds, REG_GLOBAL2, GLOBAL2_EEPROM_DATA, data); - if (ret < 0) - goto error; - - ret = mv88e6xxx_reg_write(ds, REG_GLOBAL2, GLOBAL2_EEPROM_OP, - GLOBAL2_EEPROM_OP_WRITE | - (addr & GLOBAL2_EEPROM_OP_ADDR_MASK)); - if (ret < 0) - goto error; - - ret = mv88e6xxx_eeprom_busy_wait(ds); -error: - mutex_unlock(&ps->eeprom_mutex); - return ret; -} - -static int mv88e6352_set_eeprom(struct dsa_switch *ds, - struct ethtool_eeprom *eeprom, u8 *data) -{ - int offset; - int ret; - int len; - - if (eeprom->magic != 0xc3ec4951) - return -EINVAL; - - ret = mv88e6352_eeprom_is_readonly(ds); - if (ret) - return ret; - - offset = eeprom->offset; - len = eeprom->len; - eeprom->len = 0; - - ret = mv88e6xxx_eeprom_load_wait(ds); - if (ret < 0) - return ret; - - if (offset & 1) { - int word; - - word = mv88e6352_read_eeprom_word(ds, offset >> 1); - if (word < 0) - return word; - - word = (*data++ << 8) | (word & 0xff); - - ret = mv88e6352_write_eeprom_word(ds, offset >> 1, word); - if (ret < 0) - return ret; - - offset++; - len--; - eeprom->len++; - } - - while (len >= 2) { - int word; - - word = *data++; - word |= *data++ << 8; - - ret = mv88e6352_write_eeprom_word(ds, offset >> 1, word); - if (ret < 0) - return ret; - - offset += 2; - len -= 2; - eeprom->len += 2; - } - - if (len) { - int word; - - word = mv88e6352_read_eeprom_word(ds, offset >> 1); - if (word < 0) - return word; - - word = (word & 0xff00) | *data++; - - ret = mv88e6352_write_eeprom_word(ds, offset >> 1, word); - if (ret < 0) - return ret; - - offset++; - len--; - eeprom->len++; - } - - return 0; -} - -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 = mv88e6xxx_phy_read_indirect, - .phy_write = mv88e6xxx_phy_write_indirect, - .get_strings = mv88e6xxx_get_strings, - .get_ethtool_stats = mv88e6xxx_get_ethtool_stats, - .get_sset_count = mv88e6xxx_get_sset_count, - .adjust_link = mv88e6xxx_adjust_link, - .set_eee = mv88e6xxx_set_eee, - .get_eee = mv88e6xxx_get_eee, -#ifdef CONFIG_NET_DSA_HWMON - .get_temp = mv88e6xxx_get_temp, - .get_temp_limit = mv88e6xxx_get_temp_limit, - .set_temp_limit = mv88e6xxx_set_temp_limit, - .get_temp_alarm = mv88e6xxx_get_temp_alarm, -#endif - .get_eeprom = mv88e6352_get_eeprom, - .set_eeprom = mv88e6352_set_eeprom, - .get_regs_len = mv88e6xxx_get_regs_len, - .get_regs = mv88e6xxx_get_regs, - .port_bridge_join = mv88e6xxx_port_bridge_join, - .port_bridge_leave = mv88e6xxx_port_bridge_leave, - .port_stp_update = mv88e6xxx_port_stp_update, - .port_vlan_filtering = mv88e6xxx_port_vlan_filtering, - .port_vlan_prepare = mv88e6xxx_port_vlan_prepare, - .port_vlan_add = mv88e6xxx_port_vlan_add, - .port_vlan_del = mv88e6xxx_port_vlan_del, - .port_vlan_dump = mv88e6xxx_port_vlan_dump, - .port_fdb_prepare = mv88e6xxx_port_fdb_prepare, - .port_fdb_add = mv88e6xxx_port_fdb_add, - .port_fdb_del = mv88e6xxx_port_fdb_del, - .port_fdb_dump = mv88e6xxx_port_fdb_dump, -}; - -MODULE_ALIAS("platform:mv88e6172"); -MODULE_ALIAS("platform:mv88e6176"); -MODULE_ALIAS("platform:mv88e6320"); -MODULE_ALIAS("platform:mv88e6321"); -MODULE_ALIAS("platform:mv88e6352"); |