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path: root/drivers/net/dsa/mv88e6352.c
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Diffstat (limited to 'drivers/net/dsa/mv88e6352.c')
-rw-r--r--drivers/net/dsa/mv88e6352.c345
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");
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-11 19:40:50 +0000