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path: root/drivers/net/dsa/mv88e6131.c
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Diffstat (limited to 'drivers/net/dsa/mv88e6131.c')
-rw-r--r--drivers/net/dsa/mv88e6131.c182
1 files changed, 47 insertions, 135 deletions
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 2540ef0142af..e54824fa0d95 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -17,12 +17,6 @@
#include <net/dsa.h>
#include "mv88e6xxx.h"
-/* Switch product IDs */
-#define ID_6085 0x04a0
-#define ID_6095 0x0950
-#define ID_6131 0x1060
-#define ID_6131_B2 0x1066
-
static char *mv88e6131_probe(struct device *host_dev, int sw_addr)
{
struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
@@ -31,56 +25,23 @@ static char *mv88e6131_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) {
int ret_masked = ret & 0xfff0;
- if (ret_masked == ID_6085)
+ if (ret_masked == PORT_SWITCH_ID_6085)
return "Marvell 88E6085";
- if (ret_masked == ID_6095)
+ if (ret_masked == PORT_SWITCH_ID_6095)
return "Marvell 88E6095/88E6095F";
- if (ret == ID_6131_B2)
+ if (ret == PORT_SWITCH_ID_6131_B2)
return "Marvell 88E6131 (B2)";
- if (ret_masked == ID_6131)
+ if (ret_masked == PORT_SWITCH_ID_6131)
return "Marvell 88E6131";
}
return NULL;
}
-static int mv88e6131_switch_reset(struct dsa_switch *ds)
-{
- int i;
- int ret;
- unsigned long timeout;
-
- /* Set all ports to the disabled state. */
- for (i = 0; i < 11; 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;
-}
-
static int mv88e6131_setup_global(struct dsa_switch *ds)
{
int ret;
@@ -174,7 +135,7 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
* (100 Mb/s on 6085) full duplex.
*/
if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
- if (ps->id == ID_6085)
+ if (ps->id == PORT_SWITCH_ID_6085)
REG_WRITE(addr, 0x01, 0x003d); /* 100 Mb/s */
else
REG_WRITE(addr, 0x01, 0x003e); /* 1000 Mb/s */
@@ -201,35 +162,13 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
/* On 6085, unknown multicast forward is controlled
* here rather than in Port Control 2 register.
*/
- if (ps->id == ID_6085)
+ if (ps->id == PORT_SWITCH_ID_6085)
val |= 0x0008;
}
if (ds->dsa_port_mask & (1 << p))
val |= 0x0100;
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, don't use
* VLAN-based, source address-based or destination
* address-based priority overrides, don't let the switch
@@ -242,7 +181,7 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
* If this is the upstream port for this switch, enable
* forwarding of unknown multicast addresses.
*/
- if (ps->id == ID_6085)
+ if (ps->id == PORT_SWITCH_ID_6085)
/* on 6085, bits 3:0 are reserved, bit 6 control ARP
* mirroring, and multicast forward is handled in
* Port Control register.
@@ -278,7 +217,7 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
*/
REG_WRITE(addr, 0x19, 0x7654);
- return 0;
+ return mv88e6xxx_setup_port_common(ds, p);
}
static int mv88e6131_setup(struct dsa_switch *ds)
@@ -287,13 +226,28 @@ static int mv88e6131_setup(struct dsa_switch *ds)
int i;
int ret;
- mutex_init(&ps->smi_mutex);
+ ret = mv88e6xxx_setup_common(ds);
+ if (ret < 0)
+ return ret;
+
mv88e6xxx_ppu_state_init(ds);
- mutex_init(&ps->stats_mutex);
- ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
+ switch (ps->id) {
+ case PORT_SWITCH_ID_6085:
+ ps->num_ports = 10;
+ break;
+ case PORT_SWITCH_ID_6095:
+ ps->num_ports = 11;
+ break;
+ case PORT_SWITCH_ID_6131:
+ case PORT_SWITCH_ID_6131_B2:
+ ps->num_ports = 8;
+ break;
+ default:
+ return -ENODEV;
+ }
- ret = mv88e6131_switch_reset(ds);
+ ret = mv88e6xxx_switch_reset(ds, false);
if (ret < 0)
return ret;
@@ -303,7 +257,7 @@ static int mv88e6131_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;
- for (i = 0; i < 11; i++) {
+ for (i = 0; i < ps->num_ports; i++) {
ret = mv88e6131_setup_port(ds, i);
if (ret < 0)
return ret;
@@ -312,17 +266,24 @@ static int mv88e6131_setup(struct dsa_switch *ds)
return 0;
}
-static int mv88e6131_port_to_phy_addr(int port)
+static int mv88e6131_port_to_phy_addr(struct dsa_switch *ds, int port)
{
- if (port >= 0 && port <= 11)
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+
+ if (port >= 0 && port < ps->num_ports)
return port;
- return -1;
+
+ return -EINVAL;
}
static int
mv88e6131_phy_read(struct dsa_switch *ds, int port, int regnum)
{
- int addr = mv88e6131_port_to_phy_addr(port);
+ int addr = mv88e6131_port_to_phy_addr(ds, port);
+
+ if (addr < 0)
+ return addr;
+
return mv88e6xxx_phy_read_ppu(ds, addr, regnum);
}
@@ -330,61 +291,12 @@ static int
mv88e6131_phy_write(struct dsa_switch *ds,
int port, int regnum, u16 val)
{
- int addr = mv88e6131_port_to_phy_addr(port);
- return mv88e6xxx_phy_write_ppu(ds, addr, regnum, val);
-}
-
-static struct mv88e6xxx_hw_stat mv88e6131_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
-mv88e6131_get_strings(struct dsa_switch *ds, int port, uint8_t *data)
-{
- mv88e6xxx_get_strings(ds, ARRAY_SIZE(mv88e6131_hw_stats),
- mv88e6131_hw_stats, port, data);
-}
+ int addr = mv88e6131_port_to_phy_addr(ds, port);
-static void
-mv88e6131_get_ethtool_stats(struct dsa_switch *ds,
- int port, uint64_t *data)
-{
- mv88e6xxx_get_ethtool_stats(ds, ARRAY_SIZE(mv88e6131_hw_stats),
- mv88e6131_hw_stats, port, data);
-}
+ if (addr < 0)
+ return addr;
-static int mv88e6131_get_sset_count(struct dsa_switch *ds)
-{
- return ARRAY_SIZE(mv88e6131_hw_stats);
+ return mv88e6xxx_phy_write_ppu(ds, addr, regnum, val);
}
struct dsa_switch_driver mv88e6131_switch_driver = {
@@ -396,9 +308,9 @@ struct dsa_switch_driver mv88e6131_switch_driver = {
.phy_read = mv88e6131_phy_read,
.phy_write = mv88e6131_phy_write,
.poll_link = mv88e6xxx_poll_link,
- .get_strings = mv88e6131_get_strings,
- .get_ethtool_stats = mv88e6131_get_ethtool_stats,
- .get_sset_count = mv88e6131_get_sset_count,
+ .get_strings = mv88e6xxx_get_strings,
+ .get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
+ .get_sset_count = mv88e6xxx_get_sset_count,
};
MODULE_ALIAS("platform:mv88e6085");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.